======================================
| [   19.150022][  T299] veth1: entered promiscuous mode
| [   19.152456][  T299] ------------[ cut here ]------------
| [ 19.152785][ T299] WARNING: CPU: 0 PID: 299 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) 
| [   19.153436][  T299] Modules linked in: bridge stp llc vrf veth
[   19.155017][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.155422][ T299] 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) 
[ 19.155749][ T299] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   19.156854][  T299] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   19.157266][  T299] RAX: 0000000000000000 RBX: ffff88800b71a000 RCX: 0000000000000001
[   19.157728][  T299] RDX: 0000000000000000 RSI: ffffffffa369b939 RDI: ffffffffa2e555e0
[   19.158199][  T299] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.158827][  T299] R10: ffffc90000617010 R11: ffffffffa44a8918 R12: 1ffff920000c2de2
[   19.159328][  T299] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800b71af08
[   19.159794][  T299] FS:  00007f2311edc800(0000) GS:ffff888090ab7000(0000) knlGS:0000000000000000
[   19.160341][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.160755][  T299] CR2: 00000000004e5aa8 CR3: 000000000b4d1006 CR4: 0000000000772ef0
[   19.161239][  T299] PKRU: 55555554
[   19.161478][  T299] Call Trace:
[   19.161717][  T299]  <TASK>
[ 19.161912][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.162238][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.162560][ T299] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.162865][ T299] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.163265][ T299] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.163596][ T299] netif_set_mtu (net/core/dev.c:9652) 
[ 19.163921][ T299] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.164251][ T299] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.164683][ T299] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.164917][ T299] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.165345][ T299] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.165709][ T299] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 19.166025][ T299] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.166347][ T299] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.166741][ T299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.167050][ T299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.167363][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.167680][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.167994][ T299] ? __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) 
[ 19.168309][ T299] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.168691][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.169009][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.169322][ T299] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.169628][ T299] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.169939][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.170258][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.170583][ T299] ? __create_object (mm/kmemleak.c:771) 
[ 19.170905][ T299] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.171216][ T299] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.171539][ T299] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.171923][ T299] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.172243][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.172559][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.172866][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.173180][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.173494][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.173801][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.174111][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.174429][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.174736][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.175044][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.175363][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.175671][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.175978][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.176306][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.176612][ T299] ? 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) 
[ 19.176919][ T299] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.177239][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.177546][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.177858][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.178168][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.178482][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.178798][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.179104][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.179423][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.179814][ T299] ___sys_sendmsg (net/socket.c:2670) 
[ 19.180119][ T299] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.180433][ T299] ? __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) 
[ 19.180832][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.181141][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.181460][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.181775][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.182081][ T299] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.182396][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.182711][ T299] __sys_sendmsg (net/socket.c:2700) 
[ 19.183015][ T299] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.183400][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.183752][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.184067][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.184414][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.184807][  T299] RIP: 0033:0x7f23120a91e7
[ 19.185409][ T299] 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)
[   19.186521][  T299] RSP: 002b:00007fff15bb0b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.187310][  T299] RAX: ffffffffffffffda RBX: 00007fff15bb1290 RCX: 00007f23120a91e7
[   19.187783][  T299] RDX: 0000000000000000 RSI: 00007fff15bb0bd0 RDI: 0000000000000005
[   19.188488][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.189182][  T299] R10: 000000003d5e7910 R11: 0000000000000246 R12: 0000000000000004
[   19.189657][  T299] R13: 00000000686e6932 R14: 0000000000499600 R15: 0000000000000000
| [   19.419767][  T302] ------------[ cut here ]------------
| [ 19.420105][ T302] WARNING: CPU: 2 PID: 302 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) 
| [   19.421479][  T302] Modules linked in: bridge stp llc vrf veth
| [   19.422576][  T302] Tainted: [W]=WARN
[   19.422834][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.423253][ T302] 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) 
[ 19.423587][ T302] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   19.424807][  T302] RSP: 0018:ffffc90000526ef0 EFLAGS: 00010246
[   19.425210][  T302] RAX: 0000000000000000 RBX: ffff88800b71a000 RCX: 0000000000000001
[   19.425690][  T302] RDX: 0000000000000000 RSI: ffffffffa369b939 RDI: ffffffffa2e555e0
[   19.426161][  T302] RBP: ffffc90000526fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.426663][  T302] R10: ffffc90000527010 R11: ffffffffa44a8918 R12: 1ffff920000a4de2
[   19.427131][  T302] R13: 00000000000005dc R14: ffffc90000527010 R15: ffff88800b71af08
[   19.427629][  T302] FS:  00007f41c2575800(0000) GS:ffff888090bb7000(0000) knlGS:0000000000000000
[   19.428181][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.428586][  T302] CR2: 00000000004e5ab0 CR3: 000000000c6d0003 CR4: 0000000000772ef0
[   19.429054][  T302] PKRU: 55555554
[   19.429312][  T302] Call Trace:
[   19.429553][  T302]  <TASK>
[ 19.429724][ T302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.430044][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.430389][ T302] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.430736][ T302] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.431124][ T302] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.431469][ T302] netif_set_mtu (net/core/dev.c:9652) 
[ 19.431787][ T302] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.432116][ T302] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.432570][ T302] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.432821][ T302] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.433265][ T302] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.433633][ T302] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 19.433955][ T302] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.434290][ T302] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.434721][ T302] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.435058][ T302] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.435414][ T302] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.435738][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.436056][ T302] ? __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) 
[ 19.436399][ T302] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.436806][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.437126][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.437457][ T302] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.437782][ T302] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.438096][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.438426][ T302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.438747][ T302] ? __create_object (mm/kmemleak.c:771) 
[ 19.439068][ T302] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.439413][ T302] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.439733][ T302] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.440128][ T302] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.440501][ T302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.440899][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.441237][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.441568][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.441889][ T302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.442203][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.442535][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.442859][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.443182][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.443552][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.443880][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.444241][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.444582][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.444910][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.445258][ T302] ? 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) 
[ 19.445607][ T302] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.445929][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.446253][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.446621][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.446944][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.447285][ T302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.447608][ T302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.447936][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.448299][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.448709][ T302] ___sys_sendmsg (net/socket.c:2670) 
[ 19.449023][ T302] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.449352][ T302] ? __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) 
[ 19.449743][ T302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.450071][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.450399][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.450752][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.451096][ T302] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.451435][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.451761][ T302] __sys_sendmsg (net/socket.c:2700) 
[ 19.452080][ T302] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.452506][ T302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.452854][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.453171][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.453504][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.453890][  T302] RIP: 0033:0x7f41c27421e7
[ 19.454220][ T302] 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)
[   19.455403][  T302] RSP: 002b:00007fff09c36288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.455879][  T302] RAX: ffffffffffffffda RBX: 00007fff09c369b0 RCX: 00007f41c27421e7
[   19.456417][  T302] RDX: 0000000000000000 RSI: 00007fff09c362f0 RDI: 0000000000000005
[   19.456897][  T302] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.457385][  T302] R10: 0000000022b67910 R11: 0000000000000246 R12: 0000000000000004
[   19.457853][  T302] R13: 00000000686e6932 R14: 0000000000499600 R15: 0000000000000000
| [   47.433023][  T624] ------------[ cut here ]------------
| [ 47.433375][ T624] WARNING: CPU: 0 PID: 624 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   47.434011][  T624] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [   47.435235][  T624] Tainted: [W]=WARN
[   47.435474][  T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.435971][ T624] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 47.436686][ T624] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   47.437975][  T624] RSP: 0018:ffffc90000f66f70 EFLAGS: 00010246
[   47.438697][  T624] RAX: 0000000000000000 RBX: ffff88800b71a000 RCX: 0000000000000001
[   47.439568][  T624] RDX: 0000000000000000 RSI: ffffffffa369b939 RDI: ffffffffa2e555e0
[   47.440421][  T624] RBP: ffffc90000f67058 R08: 0000000000000000 R09: 0000000000000000
[   47.441280][  T624] R10: ffffc90000f67088 R11: ffffffff9fa00130 R12: 1ffff920001ecdf2
[   47.442111][  T624] R13: 00000000000005dc R14: ffffc90000f67088 R15: ffff88800b71af08
[   47.442785][  T624] FS:  00007f3d1a3c5800(0000) GS:ffff888090ab7000(0000) knlGS:0000000000000000
[   47.443350][  T624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.443746][  T624] CR2: 00000000004e5ab0 CR3: 000000000f411002 CR4: 0000000000772ef0
[   47.444209][  T624] PKRU: 55555554
[   47.444455][  T624] Call Trace:
[   47.444699][  T624]  <TASK>
[ 47.444854][ T624] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 47.445262][ T624] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 47.445633][ T624] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 47.445946][ T624] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.446265][ T624] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.446585][ T624] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.446897][ T624] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.447200][ T624] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.447522][ T624] ? ___sys_sendmsg (net/socket.c:2670) 
[ 47.447844][ T624] ? __sys_sendmsg (net/socket.c:2700) 
[ 47.448146][ T624] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.448462][ T624] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 47.449078][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.449665][ T624] netif_set_mtu (net/core/dev.c:9652) 
[ 47.450245][ T624] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.450850][ T624] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.451317][ T624] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 47.452095][ T624] br_del_if (net/bridge/br_if.c:743) bridge 
[ 47.452729][ T624] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 47.453306][ T624] do_set_master (net/core/rtnetlink.c:2932) 
[ 47.453870][ T624] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.454445][ T624] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.455023][ T624] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.455366][ T624] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.455690][ T624] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.456003][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.456323][ T624] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 47.456646][ T624] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.457035][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.457357][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.457764][ T624] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.458183][ T624] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.458508][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.458828][ T624] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.459143][ T624] ? __create_object (mm/kmemleak.c:771) 
[ 47.459473][ T624] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.459795][ T624] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.460100][ T624] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.460500][ T624] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.460874][ T624] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.461192][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.461508][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.461833][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.462140][ T624] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.462458][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.462786][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.463104][ T624] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.463451][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.463791][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.464099][ T624] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.464417][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.464734][ T624] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.465049][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.465364][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 47.465685][ T624] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.465997][ T624] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.466312][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.466637][ T624] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.466947][ T624] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.467277][ T624] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.467635][ T624] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.468198][ T624] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.468769][ T624] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.469497][ T624] ___sys_sendmsg (net/socket.c:2670) 
[ 47.470050][ T624] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.470390][ T624] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 47.470785][ T624] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.471098][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.471430][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.471742][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.472046][ T624] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 47.472358][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.472673][ T624] __sys_sendmsg (net/socket.c:2700) 
[ 47.472973][ T624] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.473360][ T624] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.473677][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.473990][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.474306][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.474683][  T624] RIP: 0033:0x7f3d1a5921e7
[ 47.475001][ T624] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   47.476145][  T624] RSP: 002b:00007ffd11524e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.476636][  T624] RAX: ffffffffffffffda RBX: 00007ffd115255c0 RCX: 00007f3d1a5921e7
[   47.477089][  T624] RDX: 0000000000000000 RSI: 00007ffd11524f00 RDI: 0000000000000005
[   47.477555][  T624] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   47.478039][  T624] R10: 00007f3d1a48fee8 R11: 0000000000000246 R12: 0000000000000003
[   47.478506][  T624] R13: 00000000686e694e R14: 0000000000499600 R15: 0000000000000000
| [   47.735551][  T626] ------------[ cut here ]------------
| [ 47.735909][ T626] WARNING: CPU: 3 PID: 626 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   47.736542][  T626] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [   47.737745][  T626] Tainted: [W]=WARN
[   47.737975][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.738365][ T626] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 47.738680][ T626] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   47.739874][  T626] RSP: 0018:ffffc90000f86f70 EFLAGS: 00010246
[   47.740272][  T626] RAX: 0000000000000000 RBX: ffff88800b71a000 RCX: 0000000000000001
[   47.740748][  T626] RDX: 0000000000000000 RSI: ffffffffa369b939 RDI: ffffffffa2e555e0
[   47.741210][  T626] RBP: ffffc90000f87058 R08: 0000000000000000 R09: 0000000000000000
[   47.741680][  T626] R10: ffffc90000f87088 R11: ffffffffa3b79160 R12: 1ffff920001f0df2
[   47.742161][  T626] R13: 00000000000005dc R14: ffffc90000f87088 R15: ffff88800b71af08
[   47.742630][  T626] FS:  00007f4f572a0800(0000) GS:ffff888090c37000(0000) knlGS:0000000000000000
[   47.743161][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.743561][  T626] CR2: 0000557cde08fdec CR3: 000000000f443003 CR4: 0000000000772ef0
[   47.744023][  T626] PKRU: 55555554
[   47.744260][  T626] Call Trace:
[   47.744492][  T626]  <TASK>
[ 47.744648][ T626] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 47.745038][ T626] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 47.745410][ T626] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 47.745731][ T626] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.746036][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.746350][ T626] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.746657][ T626] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.746965][ T626] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.747286][ T626] ? ___sys_sendmsg (net/socket.c:2670) 
[ 47.747597][ T626] ? __sys_sendmsg (net/socket.c:2700) 
[ 47.747916][ T626] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.748221][ T626] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 47.748615][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.748933][ T626] netif_set_mtu (net/core/dev.c:9652) 
[ 47.749257][ T626] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.749579][ T626] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.749818][ T626] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 47.750264][ T626] br_del_if (net/bridge/br_if.c:743) bridge 
[ 47.750630][ T626] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 47.750939][ T626] do_set_master (net/core/rtnetlink.c:2932) 
[ 47.751264][ T626] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.751578][ T626] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.751999][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.752317][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.752653][ T626] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.752973][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.753297][ T626] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 47.753605][ T626] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.753988][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.754306][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.754614][ T626] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.754919][ T626] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.755245][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.755558][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.755860][ T626] ? __create_object (mm/kmemleak.c:771) 
[ 47.756171][ T626] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.756509][ T626] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.756817][ T626] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.757202][ T626] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.757521][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.757844][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.758149][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.758468][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.758776][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.759084][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.759403][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.759710][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.760015][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.760337][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.760690][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.760999][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.761318][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.761633][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.761937][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 47.762258][ T626] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.762569][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.762873][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.763182][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.763497][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.763800][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.764113][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.764538][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.764852][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.765252][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 47.765553][ T626] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.765854][ T626] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 47.766245][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.766552][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.766859][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.767172][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.767484][ T626] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 47.767790][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.768102][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 47.768416][ T626] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.768798][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.769114][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.769440][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.769748][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.770128][  T626] RIP: 0033:0x7f4f5746d1e7
[ 47.770456][ T626] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   47.771578][  T626] RSP: 002b:00007fff3451ef98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.772041][  T626] RAX: ffffffffffffffda RBX: 00007fff3451f6c0 RCX: 00007f4f5746d1e7
[   47.772512][  T626] RDX: 0000000000000000 RSI: 00007fff3451f000 RDI: 0000000000000005
[   47.772972][  T626] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   47.773438][  T626] R10: 00007f4f5736aee8 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