======================================
| [   43.073930][  T558] veth1: entered promiscuous mode
| [   43.076499][  T558] ------------[ cut here ]------------
| [ 43.076878][ T558] WARNING: CPU: 2 PID: 558 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) 
| [   43.077591][  T558] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress vrf veth
[   43.078880][  T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.079315][ T558] 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) 
[ 43.079672][ T558] 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
[   43.080832][  T558] RSP: 0018:ffffc90000746ef0 EFLAGS: 00010246
[   43.081251][  T558] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[   43.081750][  T558] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[   43.082237][  T558] RBP: ffffc90000746fe0 R08: 0000000000000000 R09: 0000000000000000
[   43.082738][  T558] R10: ffffc90000747010 R11: ffffffffa82a8918 R12: 1ffff920000e8de2
[   43.083223][  T558] R13: 00000000000005dc R14: ffffc90000747010 R15: ffff88800bb72f08
[   43.083715][  T558] FS:  00007f37054a9800(0000) GS:ffff888085fb7000(0000) knlGS:0000000000000000
[   43.084538][  T558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.084973][  T558] CR2: 00000000004e5aa8 CR3: 0000000008bba005 CR4: 0000000000772ef0
[   43.085462][  T558] PKRU: 55555554
[   43.085727][  T558] Call Trace:
[   43.085991][  T558]  <TASK>
[ 43.086179][ T558] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.086509][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.086856][ T558] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 43.087191][ T558] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 43.087590][ T558] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 43.087934][ T558] netif_set_mtu (net/core/dev.c:9652) 
[ 43.088271][ T558] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 43.088605][ T558] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 43.089079][ T558] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 43.089329][ T558] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 43.089756][ T558] br_add_if (net/bridge/br_if.c:697) bridge 
[ 43.090160][ T558] do_set_master (net/core/rtnetlink.c:2948) 
[ 43.090489][ T558] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 43.090831][ T558] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.091252][ T558] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.091575][ T558] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.091912][ T558] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.092258][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.092580][ T558] ? __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) 
[ 43.092922][ T558] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.093324][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.093647][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.093980][ T558] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.094309][ T558] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.094625][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.094972][ T558] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.095299][ T558] ? __create_object (mm/kmemleak.c:771) 
[ 43.095620][ T558] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.095963][ T558] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.096294][ T558] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.096685][ T558] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.097044][ T558] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.097378][ T558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.097698][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.098051][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.098373][ T558] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.098687][ T558] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.099035][ T558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.099356][ T558] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.099679][ T558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.100011][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.100363][ T558] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.100681][ T558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.100997][ T558] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.101356][ T558] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.101675][ T558] ? 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) 
[ 43.101996][ T558] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.102356][ T558] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.102674][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.102995][ T558] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.103350][ T558] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.103668][ T558] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.103994][ T558] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.104346][ T558] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.104674][ T558] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.105106][ T558] ___sys_sendmsg (net/socket.c:2670) 
[ 43.105446][ T558] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.105764][ T558] ? __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) 
[ 43.106210][ T558] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.106537][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.106861][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.107210][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.107539][ T558] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.107856][ T558] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.108197][ T558] __sys_sendmsg (net/socket.c:2700) 
[ 43.108532][ T558] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.108924][ T558] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.109276][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.109603][ T558] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.109928][ T558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.110354][  T558] RIP: 0033:0x7f37056761e7
[ 43.110689][ T558] 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)
[   43.111851][  T558] RSP: 002b:00007ffffe370868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.112372][  T558] RAX: ffffffffffffffda RBX: 00007ffffe370f90 RCX: 00007f37056761e7
[   43.112852][  T558] RDX: 0000000000000000 RSI: 00007ffffe3708d0 RDI: 0000000000000005
[   43.113337][  T558] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   43.113824][  T558] R10: 000000000e398910 R11: 0000000000000246 R12: 0000000000000004
[   43.114317][  T558] R13: 00000000686e17de R14: 0000000000499600 R15: 0000000000000000
| [   50.760697][  T610] ------------[ cut here ]------------
| [ 50.761056][ T610] WARNING: CPU: 2 PID: 610 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) 
| [   50.761685][  T610] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   50.763080][  T610] Tainted: [W]=WARN
[   50.763336][  T610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.763755][ T610] 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) 
[ 50.764112][ T610] 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
[   50.765304][  T610] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   50.765732][  T610] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[   50.767517][  T610] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[   50.768276][  T610] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   50.768760][  T610] R10: ffffc90000587010 R11: ffffffffa82a8918 R12: 1ffff920000b0de2
[   50.769271][  T610] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800bb72f08
[   50.769751][  T610] FS:  00007f23ba87f800(0000) GS:ffff888085fb7000(0000) knlGS:0000000000000000
[   50.770309][  T610] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.770713][  T610] CR2: 00000000004e5760 CR3: 0000000009911001 CR4: 0000000000772ef0
[   50.771200][  T610] PKRU: 55555554
[   50.771444][  T610] Call Trace:
[   50.771692][  T610]  <TASK>
[ 50.771864][ T610] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.772199][ T610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.772529][ T610] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 50.772853][ T610] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 50.773270][ T610] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 50.773601][ T610] netif_set_mtu (net/core/dev.c:9652) 
[ 50.773927][ T610] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.774270][ T610] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 50.774714][ T610] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.774961][ T610] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 50.775465][ T610] br_add_if (net/bridge/br_if.c:697) bridge 
[ 50.775857][ T610] do_set_master (net/core/rtnetlink.c:2948) 
[ 50.776202][ T610] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 50.776528][ T610] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.776934][ T610] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.777277][ T610] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.777604][ T610] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.777927][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.778266][ T610] ? __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) 
[ 50.778587][ T610] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.778985][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.779314][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.779639][ T610] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.779958][ T610] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.780287][ T610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.780610][ T610] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.780929][ T610] ? __create_object (mm/kmemleak.c:771) 
[ 50.781270][ T610] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.781592][ T610] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.781911][ T610] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.782314][ T610] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.782642][ T610] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.782966][ T610] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.783298][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.783626][ T610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.783946][ T610] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.784272][ T610] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.784596][ T610] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.784919][ T610] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.785255][ T610] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.785580][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.785925][ T610] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.786257][ T610] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.786579][ T610] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.786912][ T610] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.787238][ T610] ? 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) 
[ 50.787560][ T610] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 50.787885][ T610] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.788220][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.788544][ T610] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.788876][ T610] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.789220][ T610] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.789555][ T610] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.789882][ T610] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.790210][ T610] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.790738][ T610] ___sys_sendmsg (net/socket.c:2670) 
[ 50.791328][ T610] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.791664][ T610] ? __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) 
[ 50.792084][ T610] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.792413][ T610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.792737][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.793083][ T610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.793411][ T610] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.793736][ T610] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.794070][ T610] __sys_sendmsg (net/socket.c:2700) 
[ 50.794391][ T610] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.794783][ T610] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.795126][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.795448][ T610] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.795773][ T610] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.796471][  T610] RIP: 0033:0x7f23baa4c1e7
[ 50.796804][ T610] 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)
[   50.798160][  T610] RSP: 002b:00007fff664c86e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.798787][  T610] RAX: ffffffffffffffda RBX: 00007fff664c8e10 RCX: 00007f23baa4c1e7
[   50.799329][  T610] RDX: 0000000000000000 RSI: 00007fff664c8750 RDI: 0000000000000005
[   50.799803][  T610] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   50.800511][  T610] R10: 00000000145d3910 R11: 0000000000000246 R12: 0000000000000004
[   50.800992][  T610] R13: 00000000686e17e6 R14: 0000000000499600 R15: 0000000000000000
| [  102.167680][ T2562] ------------[ cut here ]------------
| [ 102.168871][ T2562] WARNING: CPU: 3 PID: 2562 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) 
| [  102.169826][ T2562] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  102.172257][ T2562] Tainted: [W]=WARN
[  102.172679][ T2562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 102.173397][ T2562] 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) 
[ 102.173971][ T2562] 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
[  102.175989][ T2562] RSP: 0018:ffffc90004ff6f70 EFLAGS: 00010246
[  102.176444][ T2562] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  102.176946][ T2562] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  102.177482][ T2562] RBP: ffffc90004ff7058 R08: 0000000000000000 R09: 0000000000000000
[  102.177983][ T2562] R10: ffffc90004ff7088 R11: ffffffffa47224d4 R12: 1ffff920009fedf2
[  102.178486][ T2562] R13: 00000000000005dc R14: ffffc90004ff7088 R15: ffff88800bb72f08
[  102.178975][ T2562] FS:  00007fd6adc93800(0000) GS:ffff888086037000(0000) knlGS:0000000000000000
[  102.179552][ T2562] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.179964][ T2562] CR2: 00000000004e5760 CR3: 00000000115b5005 CR4: 0000000000772ef0
[  102.180462][ T2562] PKRU: 55555554
[  102.180704][ T2562] Call Trace:
[  102.180948][ T2562]  <TASK>
[ 102.181121][ T2562] ? __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) 
[ 102.181527][ T2562] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 102.181924][ T2562] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 102.182260][ T2562] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 102.182586][ T2562] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 102.182907][ T2562] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 102.183238][ T2562] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 102.183559][ T2562] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 102.183882][ T2562] ? ___sys_sendmsg (net/socket.c:2670) 
[ 102.184209][ T2562] ? __sys_sendmsg (net/socket.c:2700) 
[ 102.184529][ T2562] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 102.184855][ T2562] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 102.185266][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.185599][ T2562] netif_set_mtu (net/core/dev.c:9652) 
[ 102.185935][ T2562] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 102.186301][ T2562] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 102.186562][ T2562] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 102.186998][ T2562] br_del_if (net/bridge/br_if.c:743) bridge 
[ 102.187366][ T2562] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 102.187705][ T2562] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 102.188043][ T2562] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 102.188452][ T2562] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 102.188775][ T2562] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 102.189119][ T2562] ? __kernel_text_address (kernel/extable.c:79) 
[ 102.189444][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.189767][ T2562] ? __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) 
[ 102.190111][ T2562] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 102.190525][ T2562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.190860][ T2562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.191190][ T2562] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 102.191511][ T2562] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 102.191832][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.192161][ T2562] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 102.192484][ T2562] ? __create_object (mm/kmemleak.c:771) 
[ 102.192807][ T2562] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 102.193139][ T2562] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 102.193465][ T2562] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 102.193866][ T2562] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 102.194204][ T2562] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 102.194534][ T2562] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.194852][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.195200][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.195529][ T2562] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 102.195849][ T2562] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.196210][ T2562] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.196531][ T2562] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 102.196851][ T2562] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.197193][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.197534][ T2562] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 102.197854][ T2562] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.198183][ T2562] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 102.198517][ T2562] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 102.198836][ T2562] ? 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) 
[ 102.199164][ T2562] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 102.199486][ T2562] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 102.199810][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.200144][ T2562] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 102.200476][ T2562] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 102.200797][ T2562] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 102.201143][ T2562] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 102.201471][ T2562] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 102.201788][ T2562] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 102.202220][ T2562] ___sys_sendmsg (net/socket.c:2670) 
[ 102.202542][ T2562] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 102.202859][ T2562] ? __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) 
[ 102.203265][ T2562] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 102.203588][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.203910][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.204243][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.204586][ T2562] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 102.204913][ T2562] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.205259][ T2562] __sys_sendmsg (net/socket.c:2700) 
[ 102.205579][ T2562] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 102.205988][ T2562] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 102.206330][ T2562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.206654][ T2562] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 102.206974][ T2562] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  102.207384][ T2562] RIP: 0033:0x7fd6ade601e7
[ 102.207715][ T2562] 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)
[  102.208895][ T2562] RSP: 002b:00007ffe23552748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  102.209397][ T2562] RAX: ffffffffffffffda RBX: 00007ffe23552e70 RCX: 00007fd6ade601e7
[  102.209876][ T2562] RDX: 0000000000000000 RSI: 00007ffe235527b0 RDI: 0000000000000005
[  102.210362][ T2562] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  102.210841][ T2562] R10: 00007fd6add5dee8 R11: 0000000000000246 R12: 0000000000000003
[  102.211328][ T2562] R13: 00000000686e1819 R14: 0000000000499600 R15: 0000000000000000
| [  102.929150][ T2585] ------------[ cut here ]------------
| [ 102.929473][ T2585] WARNING: CPU: 0 PID: 2585 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) 
| [  102.930120][ T2585] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  102.931529][ T2585] Tainted: [W]=WARN
[  102.931775][ T2585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 102.932193][ T2585] 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) 
[ 102.932525][ T2585] 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
[  102.933697][ T2585] RSP: 0018:ffffc900050f6ef0 EFLAGS: 00010246
[  102.934112][ T2585] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  102.934601][ T2585] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  102.935093][ T2585] RBP: ffffc900050f6fe0 R08: 0000000000000000 R09: 0000000000000000
[  102.935576][ T2585] R10: ffffc900050f7010 R11: ffffffffa82a8918 R12: 1ffff92000a1ede2
[  102.936081][ T2585] R13: 00000000000005dc R14: ffffc900050f7010 R15: ffff88800bb72f08
[  102.936572][ T2585] FS:  00007f56f0eed800(0000) GS:ffff888085eb7000(0000) knlGS:0000000000000000
[  102.937155][ T2585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.937573][ T2585] CR2: 00000000004e5760 CR3: 00000000114a3003 CR4: 0000000000772ef0
[  102.938079][ T2585] PKRU: 55555554
[  102.938337][ T2585] Call Trace:
[  102.938580][ T2585]  <TASK>
[ 102.938745][ T2585] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 102.939089][ T2585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.939420][ T2585] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 102.939745][ T2585] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 102.940172][ T2585] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 102.940499][ T2585] netif_set_mtu (net/core/dev.c:9652) 
[ 102.940825][ T2585] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 102.941180][ T2585] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 102.941625][ T2585] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 102.941868][ T2585] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 102.942313][ T2585] br_add_if (net/bridge/br_if.c:697) bridge 
[ 102.942676][ T2585] do_set_master (net/core/rtnetlink.c:2948) 
[ 102.943005][ T2585] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 102.943346][ T2585] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 102.943761][ T2585] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 102.944090][ T2585] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 102.944417][ T2585] ? __kernel_text_address (kernel/extable.c:79) 
[ 102.944747][ T2585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.945092][ T2585] ? __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) 
[ 102.945417][ T2585] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 102.945820][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.946172][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.946494][ T2585] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 102.946814][ T2585] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 102.947150][ T2585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.947473][ T2585] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 102.947791][ T2585] ? __create_object (mm/kmemleak.c:771) 
[ 102.948130][ T2585] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 102.948452][ T2585] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 102.948772][ T2585] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 102.949195][ T2585] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 102.949523][ T2585] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 102.949847][ T2585] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.950180][ T2585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.950511][ T2585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.950845][ T2585] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 102.951177][ T2585] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.951508][ T2585] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.951829][ T2585] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 102.952164][ T2585] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.952491][ T2585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.952818][ T2585] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 102.953171][ T2585] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.953494][ T2585] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 102.953830][ T2585] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 102.954165][ T2585] ? 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) 
[ 102.954489][ T2585] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 102.954815][ T2585] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 102.955145][ T2585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.955478][ T2585] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 102.955806][ T2585] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 102.956147][ T2585] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 102.956476][ T2585] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 102.956802][ T2585] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 102.957149][ T2585] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 102.957560][ T2585] ___sys_sendmsg (net/socket.c:2670) 
[ 102.957888][ T2585] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 102.958221][ T2585] ? __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) 
[ 102.958625][ T2585] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 102.958949][ T2585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.959287][ T2585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.959614][ T2585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.959934][ T2585] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 102.960270][ T2585] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.960603][ T2585] __sys_sendmsg (net/socket.c:2700) 
[ 102.960926][ T2585] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 102.961348][ T2585] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 102.961683][ T2585] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.962007][ T2585] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 102.962340][ T2585] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  102.962734][ T2585] RIP: 0033:0x7f56f10ba1e7
[ 102.963076][ T2585] 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)
[  102.964461][ T2585] RSP: 002b:00007ffe92520d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  102.965193][ T2585] RAX: ffffffffffffffda RBX: 00007ffe92521430 RCX: 00007f56f10ba1e7
[  102.965681][ T2585] RDX: 0000000000000000 RSI: 00007ffe92520d70 RDI: 0000000000000005
[  102.966180][ T2585] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  102.966665][ T2585] R10: 000000002dc0e910 R11: 0000000000000246 R12: 0000000000000004
[  102.967158][ T2585] R13: 00000000686e181a R14: 0000000000499600 R15: 0000000000000000
| [  155.340153][ T4537] ------------[ cut here ]------------
| [ 155.340710][ T4537] WARNING: CPU: 0 PID: 4537 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) 
| [  155.341815][ T4537] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  155.345085][ T4537] Tainted: [W]=WARN
[  155.345500][ T4537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.346221][ T4537] 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) 
[ 155.346785][ T4537] 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
[  155.348731][ T4537] RSP: 0018:ffffc90009726f70 EFLAGS: 00010246
[  155.349445][ T4537] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  155.350301][ T4537] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  155.351133][ T4537] RBP: ffffc90009727058 R08: 0000000000000000 R09: 0000000000000000
[  155.351953][ T4537] R10: ffffc90009727088 R11: ffffffffa7979160 R12: 1ffff920012e4df2
[  155.352777][ T4537] R13: 00000000000005dc R14: ffffc90009727088 R15: ffff88800bb72f08
[  155.353661][ T4537] FS:  00007f9a438a6800(0000) GS:ffff888085eb7000(0000) knlGS:0000000000000000
[  155.354668][ T4537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.355390][ T4537] CR2: 00000000004e5760 CR3: 0000000011c3c004 CR4: 0000000000772ef0
[  155.356263][ T4537] PKRU: 55555554
[  155.356684][ T4537] Call Trace:
[  155.357127][ T4537]  <TASK>
[ 155.357413][ T4537] ? __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) 
[ 155.358144][ T4537] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 155.358774][ T4537] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 155.359355][ T4537] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 155.359914][ T4537] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.360480][ T4537] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 155.361059][ T4537] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.361614][ T4537] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.362196][ T4537] ? ___sys_sendmsg (net/socket.c:2670) 
[ 155.362752][ T4537] ? __sys_sendmsg (net/socket.c:2700) 
[ 155.363331][ T4537] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.363904][ T4537] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 155.364622][ T4537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.365227][ T4537] netif_set_mtu (net/core/dev.c:9652) 
[ 155.365779][ T4537] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.366419][ T4537] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.366850][ T4537] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.367623][ T4537] br_del_if (net/bridge/br_if.c:743) bridge 
[ 155.368256][ T4537] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 155.368823][ T4537] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 155.369410][ T4537] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 155.369960][ T4537] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 155.370669][ T4537] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 155.371199][ T4537] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 155.371742][ T4537] ? __kernel_text_address (kernel/extable.c:79) 
[ 155.372303][ T4537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.372826][ T4537] ? __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) 
[ 155.373412][ T4537] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 155.374109][ T4537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.374677][ T4537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.375227][ T4537] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 155.375751][ T4537] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 155.376358][ T4537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.376897][ T4537] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.377434][ T4537] ? __create_object (mm/kmemleak.c:771) 
[ 155.377971][ T4537] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 155.378549][ T4537] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 155.379128][ T4537] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 155.379798][ T4537] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 155.380363][ T4537] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.380922][ T4537] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.381487][ T4537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.382071][ T4537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.382620][ T4537] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.383185][ T4537] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.383726][ T4537] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.384288][ T4537] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.384844][ T4537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.385422][ T4537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.385989][ T4537] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.386550][ T4537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.387078][ T4537] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.387640][ T4537] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.388200][ T4537] ? 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) 
[ 155.388750][ T4537] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 155.389325][ T4537] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.389899][ T4537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.390482][ T4537] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.391065][ T4537] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.391613][ T4537] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.392203][ T4537] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.392774][ T4537] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.393356][ T4537] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.394080][ T4537] ___sys_sendmsg (net/socket.c:2670) 
[ 155.394613][ T4537] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 155.395173][ T4537] ? __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) 
[ 155.395851][ T4537] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.396429][ T4537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.396973][ T4537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.397553][ T4537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.398108][ T4537] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 155.398641][ T4537] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.399221][ T4537] __sys_sendmsg (net/socket.c:2700) 
[ 155.399740][ T4537] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 155.400425][ T4537] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.400996][ T4537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.401550][ T4537] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.402074][ T4537] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.402723][ T4537] RIP: 0033:0x7f9a43a731e7
[ 155.403305][ T4537] 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)
[  155.405260][ T4537] RSP: 002b:00007ffe1cb007d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.406133][ T4537] RAX: ffffffffffffffda RBX: 00007ffe1cb00f00 RCX: 00007f9a43a731e7
[  155.406917][ T4537] RDX: 0000000000000000 RSI: 00007ffe1cb00840 RDI: 0000000000000005
[  155.407760][ T4537] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  155.408604][ T4537] R10: 00007f9a43970ee8 R11: 0000000000000246 R12: 0000000000000003
[  155.409447][ T4537] R13: 00000000686e184f R14: 0000000000499600 R15: 0000000000000000
| [  156.287698][ T4570] ------------[ cut here ]------------
| [ 156.288038][ T4570] WARNING: CPU: 2 PID: 4570 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) 
| [  156.288664][ T4570] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  156.290055][ T4570] Tainted: [W]=WARN
[  156.290302][ T4570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.290700][ T4570] 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) 
[ 156.291039][ T4570] 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
[  156.292160][ T4570] RSP: 0018:ffffc90009826ef0 EFLAGS: 00010246
[  156.292567][ T4570] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  156.293049][ T4570] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  156.293555][ T4570] RBP: ffffc90009826fe0 R08: 0000000000000000 R09: 0000000000000000
[  156.294043][ T4570] R10: ffffc90009827010 R11: ffffffffa82a8918 R12: 1ffff92001304de2
[  156.294518][ T4570] R13: 00000000000005dc R14: ffffc90009827010 R15: ffff88800bb72f08
[  156.294992][ T4570] FS:  00007f2a9c675800(0000) GS:ffff888085fb7000(0000) knlGS:0000000000000000
[  156.295561][ T4570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.295973][ T4570] CR2: 00000000004e5760 CR3: 0000000011d5b005 CR4: 0000000000772ef0
[  156.296466][ T4570] PKRU: 55555554
[  156.296727][ T4570] Call Trace:
[  156.296973][ T4570]  <TASK>
[ 156.297156][ T4570] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.297488][ T4570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.297821][ T4570] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 156.298164][ T4570] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 156.298569][ T4570] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 156.298902][ T4570] netif_set_mtu (net/core/dev.c:9652) 
[ 156.299238][ T4570] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.299579][ T4570] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 156.300033][ T4570] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.300291][ T4570] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.300734][ T4570] br_add_if (net/bridge/br_if.c:697) bridge 
[ 156.301110][ T4570] do_set_master (net/core/rtnetlink.c:2948) 
[ 156.301437][ T4570] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 156.301763][ T4570] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 156.302176][ T4570] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 156.302502][ T4570] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 156.302827][ T4570] ? __kernel_text_address (kernel/extable.c:79) 
[ 156.303171][ T4570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.303498][ T4570] ? __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) 
[ 156.303823][ T4570] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 156.304234][ T4570] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.304559][ T4570] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.304886][ T4570] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 156.305220][ T4570] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 156.305544][ T4570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.305871][ T4570] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.306214][ T4570] ? __create_object (mm/kmemleak.c:771) 
[ 156.306565][ T4570] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 156.306890][ T4570] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 156.307217][ T4570] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 156.307618][ T4570] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 156.307943][ T4570] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.308280][ T4570] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.308601][ T4570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.308927][ T4570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.309255][ T4570] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.309570][ T4570] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.309895][ T4570] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.310226][ T4570] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.310556][ T4570] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.310879][ T4570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.311213][ T4570] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.311533][ T4570] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.311855][ T4570] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.312228][ T4570] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.312552][ T4570] ? 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) 
[ 156.312880][ T4570] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 156.313248][ T4570] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.313568][ T4570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.313898][ T4570] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.314229][ T4570] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.314551][ T4570] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.314882][ T4570] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.315213][ T4570] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.315530][ T4570] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.315938][ T4570] ___sys_sendmsg (net/socket.c:2670) 
[ 156.316294][ T4570] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 156.316625][ T4570] ? __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) 
[ 156.317031][ T4570] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.317363][ T4570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.317686][ T4570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.318077][ T4570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.318399][ T4570] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 156.318725][ T4570] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.319062][ T4570] __sys_sendmsg (net/socket.c:2700) 
[ 156.319398][ T4570] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 156.319790][ T4570] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.320144][ T4570] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.320469][ T4570] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.320800][ T4570] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.321204][ T4570] RIP: 0033:0x7f2a9c8421e7
[ 156.321544][ T4570] 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)
[  156.322715][ T4570] RSP: 002b:00007ffde1e7d4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.323207][ T4570] RAX: ffffffffffffffda RBX: 00007ffde1e7dc20 RCX: 00007f2a9c8421e7
[  156.323697][ T4570] RDX: 0000000000000000 RSI: 00007ffde1e7d560 RDI: 0000000000000005
[  156.324182][ T4570] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  156.324886][ T4570] R10: 000000001534f910 R11: 0000000000000246 R12: 0000000000000004
[  156.325441][ T4570] R13: 00000000686e184f R14: 0000000000499600 R15: 0000000000000000
| [  211.179797][ T6522] ------------[ cut here ]------------
| [ 211.180162][ T6522] WARNING: CPU: 1 PID: 6522 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) 
| [  211.180827][ T6522] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  211.183714][ T6522] Tainted: [W]=WARN
[  211.183951][ T6522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 211.184381][ T6522] 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) 
[ 211.184706][ T6522] 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
[  211.185833][ T6522] RSP: 0018:ffffc90007c56f70 EFLAGS: 00010246
[  211.186266][ T6522] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  211.186734][ T6522] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  211.187210][ T6522] RBP: ffffc90007c57058 R08: 0000000000000000 R09: 0000000000000000
[  211.187678][ T6522] R10: ffffc90007c57088 R11: ffffffffa7979160 R12: 1ffff92000f8adf2
[  211.188174][ T6522] R13: 00000000000005dc R14: ffffc90007c57088 R15: ffff88800bb72f08
[  211.188649][ T6522] FS:  00007f4802206800(0000) GS:ffff888085f37000(0000) knlGS:0000000000000000
[  211.189202][ T6522] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  211.189599][ T6522] CR2: 00000000004e5760 CR3: 00000000032fa003 CR4: 0000000000772ef0
[  211.190066][ T6522] PKRU: 55555554
[  211.190300][ T6522] Call Trace:
[  211.190539][ T6522]  <TASK>
[ 211.190694][ T6522] ? __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) 
[ 211.191092][ T6522] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 211.191459][ T6522] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 211.191767][ T6522] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 211.192090][ T6522] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 211.192409][ T6522] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 211.192719][ T6522] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 211.193052][ T6522] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 211.193360][ T6522] ? ___sys_sendmsg (net/socket.c:2670) 
[ 211.193687][ T6522] ? __sys_sendmsg (net/socket.c:2700) 
[ 211.193990][ T6522] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 211.194304][ T6522] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 211.194704][ T6522] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.195030][ T6522] netif_set_mtu (net/core/dev.c:9652) 
[ 211.195337][ T6522] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 211.195674][ T6522] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 211.195911][ T6522] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 211.196374][ T6522] br_del_if (net/bridge/br_if.c:743) bridge 
[ 211.196724][ T6522] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 211.197046][ T6522] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 211.197358][ T6522] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 211.197683][ T6522] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 211.198082][ T6522] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 211.198388][ T6522] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 211.198716][ T6522] ? __kernel_text_address (kernel/extable.c:79) 
[ 211.199039][ T6522] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.199353][ T6522] ? __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) 
[ 211.199671][ T6522] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 211.200162][ T6522] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 211.200480][ T6522] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 211.200807][ T6522] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 211.201129][ T6522] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 211.201437][ T6522] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.201758][ T6522] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 211.202099][ T6522] ? __create_object (mm/kmemleak.c:771) 
[ 211.202408][ T6522] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 211.202728][ T6522] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 211.203045][ T6522] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 211.203425][ T6522] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 211.203761][ T6522] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 211.204095][ T6522] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 211.204401][ T6522] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.204731][ T6522] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.205055][ T6522] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 211.205359][ T6522] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 211.205668][ T6522] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 211.205992][ T6522] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 211.206346][ T6522] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 211.206654][ T6522] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.206982][ T6522] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 211.207299][ T6522] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 211.207608][ T6522] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 211.207939][ T6522] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 211.208263][ T6522] ? 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) 
[ 211.208583][ T6522] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 211.208907][ T6522] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 211.209224][ T6522] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.209534][ T6522] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 211.209864][ T6522] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 211.210182][ T6522] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 211.210497][ T6522] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 211.210817][ T6522] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 211.211151][ T6522] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 211.211544][ T6522] ___sys_sendmsg (net/socket.c:2670) 
[ 211.211857][ T6522] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 211.212195][ T6522] ? __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) 
[ 211.212597][ T6522] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 211.212939][ T6522] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.213271][ T6522] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.213584][ T6522] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.213891][ T6522] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 211.214221][ T6522] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 211.214535][ T6522] __sys_sendmsg (net/socket.c:2700) 
[ 211.214839][ T6522] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 211.215244][ T6522] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 211.215569][ T6522] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 211.215879][ T6522] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 211.216237][ T6522] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  211.216618][ T6522] RIP: 0033:0x7f48023d31e7
[ 211.216936][ T6522] 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)
[  211.218068][ T6522] RSP: 002b:00007ffdc9916668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  211.218535][ T6522] RAX: ffffffffffffffda RBX: 00007ffdc9916d90 RCX: 00007f48023d31e7
[  211.218992][ T6522] RDX: 0000000000000000 RSI: 00007ffdc99166d0 RDI: 0000000000000005
[  211.219469][ T6522] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  211.219937][ T6522] R10: 00007f48022d0ee8 R11: 0000000000000246 R12: 0000000000000003
[  211.220424][ T6522] R13: 00000000686e1886 R14: 0000000000499600 R15: 0000000000000000
| [  212.061068][ T6555] ------------[ cut here ]------------
| [ 212.061397][ T6555] WARNING: CPU: 2 PID: 6555 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) 
| [  212.062027][ T6555] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  212.064023][ T6555] Tainted: [W]=WARN
[  212.064274][ T6555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 212.064680][ T6555] 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) 
[ 212.065024][ T6555] 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
[  212.066156][ T6555] RSP: 0018:ffffc90006c06ef0 EFLAGS: 00010246
[  212.066561][ T6555] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  212.067039][ T6555] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  212.067520][ T6555] RBP: ffffc90006c06fe0 R08: 0000000000000000 R09: 0000000000000000
[  212.067993][ T6555] R10: ffffc90006c07010 R11: ffffffffa82a8918 R12: 1ffff92000d80de2
[  212.068502][ T6555] R13: 00000000000005dc R14: ffffc90006c07010 R15: ffff88800bb72f08
[  212.068978][ T6555] FS:  00007f413b87a800(0000) GS:ffff888085fb7000(0000) knlGS:0000000000000000
[  212.069540][ T6555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  212.069938][ T6555] CR2: 00000000004e5760 CR3: 0000000011bf4002 CR4: 0000000000772ef0
[  212.070433][ T6555] PKRU: 55555554
[  212.070677][ T6555] Call Trace:
[  212.070920][ T6555]  <TASK>
[ 212.071101][ T6555] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 212.071420][ T6555] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 212.071757][ T6555] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 212.072087][ T6555] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 212.072492][ T6555] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 212.072816][ T6555] netif_set_mtu (net/core/dev.c:9652) 
[ 212.073148][ T6555] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 212.073478][ T6555] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 212.073927][ T6555] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 212.074185][ T6555] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 212.074617][ T6555] br_add_if (net/bridge/br_if.c:697) bridge 
[ 212.074974][ T6555] do_set_master (net/core/rtnetlink.c:2948) 
[ 212.075315][ T6555] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 212.075640][ T6555] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 212.076073][ T6555] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 212.076407][ T6555] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 212.076731][ T6555] ? __kernel_text_address (kernel/extable.c:79) 
[ 212.077067][ T6555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 212.077393][ T6555] ? __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) 
[ 212.077715][ T6555] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 212.078116][ T6555] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 212.078440][ T6555] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 212.078766][ T6555] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 212.079090][ T6555] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 212.079412][ T6555] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 212.079734][ T6555] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 212.080056][ T6555] ? __create_object (mm/kmemleak.c:771) 
[ 212.080378][ T6555] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 212.080699][ T6555] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 212.081026][ T6555] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 212.081426][ T6555] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 212.081752][ T6555] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 212.082086][ T6555] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 212.082404][ T6555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 212.082726][ T6555] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 212.083058][ T6555] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 212.083376][ T6555] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 212.083701][ T6555] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 212.084025][ T6555] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 212.084348][ T6555] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 212.084670][ T6555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 212.084993][ T6555] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 212.085323][ T6555] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 212.085640][ T6555] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 212.085968][ T6555] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 212.086312][ T6555] ? 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) 
[ 212.086633][ T6555] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 212.086956][ T6555] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 212.087282][ T6555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 212.087607][ T6555] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 212.087930][ T6555] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 212.088261][ T6555] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 212.088593][ T6555] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 212.088917][ T6555] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 212.089262][ T6555] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 212.089679][ T6555] ___sys_sendmsg (net/socket.c:2670) 
[ 212.090000][ T6555] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 212.090329][ T6555] ? __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) 
[ 212.090726][ T6555] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 212.091061][ T6555] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 212.091387][ T6555] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 212.091712][ T6555] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 212.092043][ T6555] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 212.092363][ T6555] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 212.092689][ T6555] __sys_sendmsg (net/socket.c:2700) 
[ 212.093007][ T6555] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 212.093413][ T6555] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 212.093747][ T6555] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 212.094079][ T6555] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 212.094403][ T6555] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  212.094795][ T6555] RIP: 0033:0x7f413ba471e7
[ 212.095134][ T6555] 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)
[  212.096274][ T6555] RSP: 002b:00007ffc25761f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  212.096758][ T6555] RAX: ffffffffffffffda RBX: 00007ffc257626c0 RCX: 00007f413ba471e7
[  212.097244][ T6555] RDX: 0000000000000000 RSI: 00007ffc25762000 RDI: 0000000000000005
[  212.097724][ T6555] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  212.098209][ T6555] R10: 0000000020215910 R11: 0000000000000246 R12: 0000000000000004
[  212.098682][ T6555] R13: 00000000686e1887 R14: 0000000000499600 R15: 0000000000000000
| [  265.415670][ T8507] ------------[ cut here ]------------
| [ 265.416188][ T8507] WARNING: CPU: 2 PID: 8507 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) 
| [  265.416835][ T8507] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  265.418632][ T8507] Tainted: [W]=WARN
[  265.418882][ T8507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 265.419305][ T8507] 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) 
[ 265.419643][ T8507] 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
[  265.420774][ T8507] RSP: 0018:ffffc90003396f70 EFLAGS: 00010246
[  265.421200][ T8507] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  265.421670][ T8507] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  265.422151][ T8507] RBP: ffffc90003397058 R08: 0000000000000000 R09: 0000000000000000
[  265.422640][ T8507] R10: ffffc90003397088 R11: ffffffffa7979160 R12: 1ffff92000672df2
[  265.423125][ T8507] R13: 00000000000005dc R14: ffffc90003397088 R15: ffff88800bb72f08
[  265.423629][ T8507] FS:  00007f0385c18800(0000) GS:ffff888085fb7000(0000) knlGS:0000000000000000
[  265.424343][ T8507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  265.424994][ T8507] CR2: 00000000004e5760 CR3: 0000000012172005 CR4: 0000000000772ef0
[  265.425689][ T8507] PKRU: 55555554
[  265.426107][ T8507] Call Trace:
[  265.426495][ T8507]  <TASK>
[ 265.426666][ T8507] ? __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) 
[ 265.427078][ T8507] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 265.427456][ T8507] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 265.427774][ T8507] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 265.428112][ T8507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 265.428441][ T8507] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 265.428761][ T8507] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 265.429085][ T8507] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 265.429437][ T8507] ? ___sys_sendmsg (net/socket.c:2670) 
[ 265.429752][ T8507] ? __sys_sendmsg (net/socket.c:2700) 
[ 265.430078][ T8507] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 265.430410][ T8507] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 265.430808][ T8507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 265.431147][ T8507] netif_set_mtu (net/core/dev.c:9652) 
[ 265.431480][ T8507] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 265.431813][ T8507] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 265.432072][ T8507] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 265.432525][ T8507] br_del_if (net/bridge/br_if.c:743) bridge 
[ 265.432870][ T8507] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 265.433206][ T8507] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 265.433554][ T8507] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 265.433874][ T8507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 265.434287][ T8507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 265.434642][ T8507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 265.434966][ T8507] ? __kernel_text_address (kernel/extable.c:79) 
[ 265.435300][ T8507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 265.435659][ T8507] ? __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) 
[ 265.435986][ T8507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 265.436403][ T8507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 265.436744][ T8507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 265.437073][ T8507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 265.437389][ T8507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 265.437723][ T8507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 265.438050][ T8507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 265.438373][ T8507] ? __create_object (mm/kmemleak.c:771) 
[ 265.438711][ T8507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 265.439039][ T8507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 265.439363][ T8507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 265.439773][ T8507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 265.440113][ T8507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 265.440437][ T8507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 265.440770][ T8507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 265.441119][ T8507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 265.441436][ T8507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 265.441785][ T8507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 265.442115][ T8507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 265.442434][ T8507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 265.442773][ T8507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 265.443107][ T8507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 265.443442][ T8507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 265.443779][ T8507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 265.444111][ T8507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 265.444441][ T8507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 265.444771][ T8507] ? 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) 
[ 265.445108][ T8507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 265.445426][ T8507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 265.445759][ T8507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 265.446139][ T8507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 265.446496][ T8507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 265.446833][ T8507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 265.447176][ T8507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 265.447498][ T8507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 265.447850][ T8507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 265.448276][ T8507] ___sys_sendmsg (net/socket.c:2670) 
[ 265.448592][ T8507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 265.448926][ T8507] ? __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) 
[ 265.449366][ T8507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 265.449703][ T8507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 265.450049][ T8507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 265.450371][ T8507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 265.450705][ T8507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 265.451048][ T8507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 265.451375][ T8507] __sys_sendmsg (net/socket.c:2700) 
[ 265.451693][ T8507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 265.452107][ T8507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 265.452460][ T8507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 265.452806][ T8507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 265.453153][ T8507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  265.453557][ T8507] RIP: 0033:0x7f0385de51e7
[ 265.453899][ T8507] 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)
[  265.455037][ T8507] RSP: 002b:00007fffa173cd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  265.455527][ T8507] RAX: ffffffffffffffda RBX: 00007fffa173d440 RCX: 00007f0385de51e7
[  265.456037][ T8507] RDX: 0000000000000000 RSI: 00007fffa173cd80 RDI: 0000000000000005
[  265.456535][ T8507] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  265.457024][ T8507] R10: 00007f0385ce2ee8 R11: 0000000000000246 R12: 0000000000000003
[  265.457496][ T8507] R13: 00000000686e18bd R14: 0000000000499600 R15: 0000000000000000
| [  266.248490][ T8540] ------------[ cut here ]------------
| [ 266.248900][ T8540] WARNING: CPU: 3 PID: 8540 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) 
| [  266.249608][ T8540] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  266.251183][ T8540] Tainted: [W]=WARN
[  266.251519][ T8540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 266.251907][ T8540] 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) 
[ 266.252247][ T8540] 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
[  266.253602][ T8540] RSP: 0018:ffffc90003096ef0 EFLAGS: 00010246
[  266.254177][ T8540] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  266.254659][ T8540] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  266.255189][ T8540] RBP: ffffc90003096fe0 R08: 0000000000000000 R09: 0000000000000000
[  266.255696][ T8540] R10: ffffc90003097010 R11: ffffffffa82a8918 R12: 1ffff92000612de2
[  266.256364][ T8540] R13: 00000000000005dc R14: ffffc90003097010 R15: ffff88800bb72f08
[  266.256851][ T8540] FS:  00007f86aa043800(0000) GS:ffff888086037000(0000) knlGS:0000000000000000
[  266.257587][ T8540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  266.257979][ T8540] CR2: 00000000004e5760 CR3: 000000000e67c002 CR4: 0000000000772ef0
[  266.258473][ T8540] PKRU: 55555554
[  266.258790][ T8540] Call Trace:
[  266.259081][ T8540]  <TASK>
[ 266.259294][ T8540] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 266.259618][ T8540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 266.260038][ T8540] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 266.260369][ T8540] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 266.260766][ T8540] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 266.261106][ T8540] netif_set_mtu (net/core/dev.c:9652) 
[ 266.261418][ T8540] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 266.261947][ T8540] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 266.262563][ T8540] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 266.262801][ T8540] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 266.263237][ T8540] br_add_if (net/bridge/br_if.c:697) bridge 
[ 266.263603][ T8540] do_set_master (net/core/rtnetlink.c:2948) 
[ 266.263915][ T8540] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 266.264244][ T8540] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 266.264653][ T8540] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 266.264959][ T8540] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 266.265277][ T8540] ? __kernel_text_address (kernel/extable.c:79) 
[ 266.265599][ T8540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 266.265908][ T8540] ? __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) 
[ 266.266236][ T8540] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 266.266635][ T8540] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 266.266942][ T8540] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 266.267259][ T8540] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 266.267602][ T8540] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 266.267910][ T8540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 266.268229][ T8540] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 266.268551][ T8540] ? __create_object (mm/kmemleak.c:771) 
[ 266.268862][ T8540] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 266.269183][ T8540] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 266.269494][ T8540] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 266.269973][ T8540] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 266.270361][ T8540] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 266.270821][ T8540] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 266.271356][ T8540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 266.271689][ T8540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 266.271997][ T8540] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 266.272322][ T8540] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 266.272644][ T8540] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 266.272947][ T8540] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 266.273265][ T8540] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 266.273646][ T8540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 266.273997][ T8540] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 266.274343][ T8540] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 266.274745][ T8540] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 266.275291][ T8540] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 266.275744][ T8540] ? 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) 
[ 266.276313][ T8540] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 266.276862][ T8540] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 266.277442][ T8540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 266.278394][ T8540] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 266.278955][ T8540] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 266.279514][ T8540] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 266.280071][ T8540] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 266.281048][ T8540] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 266.281594][ T8540] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 266.282314][ T8540] ___sys_sendmsg (net/socket.c:2670) 
[ 266.282849][ T8540] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 266.283848][ T8540] ? __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) 
[ 266.284549][ T8540] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 266.285085][ T8540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 266.285523][ T8540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 266.286150][ T8540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 266.286525][ T8540] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 266.286836][ T8540] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 266.287166][ T8540] __sys_sendmsg (net/socket.c:2700) 
[ 266.287788][ T8540] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 266.288276][ T8540] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 266.288663][ T8540] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 266.288975][ T8540] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 266.289302][ T8540] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  266.290043][ T8540] RIP: 0033:0x7f86aa2101e7
[ 266.290362][ T8540] 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)
[  266.291720][ T8540] RSP: 002b:00007ffeaa48d228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  266.292423][ T8540] RAX: ffffffffffffffda RBX: 00007ffeaa48d950 RCX: 00007f86aa2101e7
[  266.292902][ T8540] RDX: 0000000000000000 RSI: 00007ffeaa48d290 RDI: 0000000000000005
[  266.293620][ T8540] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  266.294086][ T8540] R10: 000000003d814910 R11: 0000000000000246 R12: 0000000000000004
[  266.294615][ T8540] R13: 00000000686e18bd R14: 0000000000499600 R15: 0000000000000000
| [  320.255278][T10492] ------------[ cut here ]------------
| [320.255594][T10492] WARNING: CPU: 0 PID: 10492 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) 
| [  320.256222][T10492] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  320.257565][T10492] Tainted: [W]=WARN
[  320.257802][T10492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[320.258661][T10492] 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) 
[ 320.258982][T10492] 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
[  320.260077][T10492] RSP: 0018:ffffc90009c26f70 EFLAGS: 00010246
[  320.260462][T10492] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  320.260917][T10492] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  320.261389][T10492] RBP: ffffc90009c27058 R08: 0000000000000000 R09: 0000000000000000
[  320.261852][T10492] R10: ffffc90009c27088 R11: ffffffffa7979160 R12: 1ffff92001384df2
[  320.262314][T10492] R13: 00000000000005dc R14: ffffc90009c27088 R15: ffff88800bb72f08
[  320.262767][T10492] FS:  00007f6193e0d800(0000) GS:ffff888085eb7000(0000) knlGS:0000000000000000
[  320.263302][T10492] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  320.263685][T10492] CR2: 00000000004e5760 CR3: 0000000011af3003 CR4: 0000000000772ef0
[  320.264153][T10492] PKRU: 55555554
[  320.264381][T10492] Call Trace:
[  320.264607][T10492]  <TASK>
[320.264760][T10492] ? __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) 
[320.265149][T10492] ? br_del_if (net/bridge/br_if.c:742) bridge 
[320.265491][T10492] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[320.265798][T10492] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[320.266113][T10492] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[320.266426][T10492] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[320.266728][T10492] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[320.267047][T10492] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[320.267364][T10492] ? ___sys_sendmsg (net/socket.c:2670) 
[320.267680][T10492] ? __sys_sendmsg (net/socket.c:2700) 
[320.267999][T10492] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[320.268326][T10492] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[320.268727][T10492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[320.269062][T10492] netif_set_mtu (net/core/dev.c:9652) 
[320.269383][T10492] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[320.269715][T10492] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[320.269957][T10492] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[320.270396][T10492] br_del_if (net/bridge/br_if.c:743) bridge 
[320.270740][T10492] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[320.271086][T10492] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[320.271408][T10492] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[320.271729][T10492] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[320.272137][T10492] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[320.272456][T10492] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[320.272776][T10492] ? __kernel_text_address (kernel/extable.c:79) 
[320.273106][T10492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[320.273432][T10492] ? __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) 
[320.273760][T10492] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[320.274164][T10492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[320.274484][T10492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[320.274798][T10492] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[320.275122][T10492] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[320.275440][T10492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[320.275759][T10492] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[320.276087][T10492] ? __create_object (mm/kmemleak.c:771) 
[320.276414][T10492] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[320.276757][T10492] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[320.277095][T10492] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[320.277502][T10492] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[320.277813][T10492] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[320.278129][T10492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[320.278438][T10492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[320.278746][T10492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[320.279057][T10492] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[320.279358][T10492] ? __lock_release (kernel/locking/lockdep.c:5539) 
[320.279661][T10492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[320.279962][T10492] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[320.280272][T10492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[320.280579][T10492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[320.280891][T10492] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[320.281204][T10492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[320.281510][T10492] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[320.281823][T10492] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[320.282130][T10492] ? 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) 
[320.282433][T10492] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[320.282738][T10492] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[320.283053][T10492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[320.283367][T10492] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[320.283678][T10492] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[320.283981][T10492] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[320.284302][T10492] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[320.284615][T10492] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[320.284916][T10492] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[320.285322][T10492] ___sys_sendmsg (net/socket.c:2670) 
[320.285623][T10492] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[320.285924][T10492] ? __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) 
[320.286320][T10492] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[320.286629][T10492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[320.286937][T10492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[320.287254][T10492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[320.287564][T10492] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[320.287876][T10492] ? __lock_release (kernel/locking/lockdep.c:5539) 
[320.288222][T10492] __sys_sendmsg (net/socket.c:2700) 
[320.288527][T10492] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[320.288905][T10492] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[320.289229][T10492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[320.289535][T10492] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[320.289841][T10492] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  320.290233][T10492] RIP: 0033:0x7f6193fda1e7
[ 320.290548][T10492] 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)
[  320.291638][T10492] RSP: 002b:00007ffd06c5bea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  320.292112][T10492] RAX: ffffffffffffffda RBX: 00007ffd06c5c5d0 RCX: 00007f6193fda1e7
[  320.292568][T10492] RDX: 0000000000000000 RSI: 00007ffd06c5bf10 RDI: 0000000000000005
[  320.293034][T10492] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  320.293487][T10492] R10: 00007f6193ed7ee8 R11: 0000000000000246 R12: 0000000000000003
[  320.293943][T10492] R13: 00000000686e18f3 R14: 0000000000499600 R15: 0000000000000000
| [  321.118134][T10525] ------------[ cut here ]------------
| [321.118498][T10525] WARNING: CPU: 2 PID: 10525 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) 
| [  321.119151][T10525] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  321.120567][T10525] Tainted: [W]=WARN
[  321.120818][T10525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[321.121419][T10525] 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) 
[ 321.121911][T10525] 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
[  321.123299][T10525] RSP: 0018:ffffc9000b496ef0 EFLAGS: 00010246
[  321.123972][T10525] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  321.124656][T10525] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  321.125312][T10525] RBP: ffffc9000b496fe0 R08: 0000000000000000 R09: 0000000000000000
[  321.125901][T10525] R10: ffffc9000b497010 R11: ffffffffa82a8918 R12: 1ffff92001692de2
[  321.126421][T10525] R13: 00000000000005dc R14: ffffc9000b497010 R15: ffff88800bb72f08
[  321.126914][T10525] FS:  00007f21f9104800(0000) GS:ffff888085fb7000(0000) knlGS:0000000000000000
[  321.127506][T10525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  321.127915][T10525] CR2: 00000000004e5760 CR3: 00000000099d7006 CR4: 0000000000772ef0
[  321.128436][T10525] PKRU: 55555554
[  321.128685][T10525] Call Trace:
[  321.128929][T10525]  <TASK>
[321.129110][T10525] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[321.129435][T10525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[321.129785][T10525] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[321.130119][T10525] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[321.130515][T10525] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[321.130872][T10525] netif_set_mtu (net/core/dev.c:9652) 
[321.131211][T10525] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[321.131568][T10525] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[321.132030][T10525] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[321.132296][T10525] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[321.132729][T10525] br_add_if (net/bridge/br_if.c:697) bridge 
[321.133149][T10525] do_set_master (net/core/rtnetlink.c:2948) 
[321.133504][T10525] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[321.133866][T10525] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[321.134306][T10525] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[321.134629][T10525] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[321.134973][T10525] ? __kernel_text_address (kernel/extable.c:79) 
[321.135315][T10525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[321.135651][T10525] ? __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) 
[321.135999][T10525] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[321.136422][T10525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[321.136770][T10525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[321.137104][T10525] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[321.137425][T10525] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[321.137745][T10525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[321.138120][T10525] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[321.138485][T10525] ? __create_object (mm/kmemleak.c:771) 
[321.138815][T10525] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[321.139177][T10525] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[321.139528][T10525] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[321.139940][T10525] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[321.140302][T10525] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[321.140648][T10525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[321.140988][T10525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[321.141325][T10525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[321.141670][T10525] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[321.141993][T10525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[321.142347][T10525] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[321.142673][T10525] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[321.143008][T10525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[321.143365][T10525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[321.143702][T10525] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[321.144039][T10525] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[321.144372][T10525] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[321.144710][T10525] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[321.145046][T10525] ? 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) 
[321.145367][T10525] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[321.145715][T10525] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[321.146059][T10525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[321.146400][T10525] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[321.146722][T10525] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[321.147081][T10525] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[321.147413][T10525] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[321.147748][T10525] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[321.148129][T10525] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[321.148552][T10525] ___sys_sendmsg (net/socket.c:2670) 
[321.148872][T10525] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[321.149207][T10525] ? __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) 
[321.149610][T10525] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[321.149944][T10525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[321.150278][T10525] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[321.150617][T10525] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[321.150953][T10525] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[321.151291][T10525] ? __lock_release (kernel/locking/lockdep.c:5539) 
[321.151627][T10525] __sys_sendmsg (net/socket.c:2700) 
[321.151955][T10525] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[321.152388][T10525] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[321.152739][T10525] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[321.153081][T10525] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[321.153403][T10525] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  321.153797][T10525] RIP: 0033:0x7f21f92d11e7
[ 321.154150][T10525] 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)
[  321.155300][T10525] RSP: 002b:00007ffef7d7ca68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  321.155793][T10525] RAX: ffffffffffffffda RBX: 00007ffef7d7d190 RCX: 00007f21f92d11e7
[  321.156385][T10525] RDX: 0000000000000000 RSI: 00007ffef7d7cad0 RDI: 0000000000000005
[  321.156871][T10525] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  321.157353][T10525] R10: 000000003fee1910 R11: 0000000000000246 R12: 0000000000000004
[  321.157847][T10525] R13: 00000000686e18f4 R14: 0000000000499600 R15: 0000000000000000
| [  374.786708][T12477] ------------[ cut here ]------------
| [374.787097][T12477] WARNING: CPU: 2 PID: 12477 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) 
| [  374.787731][T12477] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  374.791033][T12477] Tainted: [W]=WARN
[  374.791311][T12477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[374.791706][T12477] 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) 
[ 374.792053][T12477] 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
[  374.793192][T12477] RSP: 0018:ffffc90006d36f70 EFLAGS: 00010246
[  374.793611][T12477] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  374.794125][T12477] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  374.794612][T12477] RBP: ffffc90006d37058 R08: 0000000000000000 R09: 0000000000000000
[  374.795116][T12477] R10: ffffc90006d37088 R11: ffffffffa7979160 R12: 1ffff92000da6df2
[  374.795600][T12477] R13: 00000000000005dc R14: ffffc90006d37088 R15: ffff88800bb72f08
[  374.796104][T12477] FS:  00007f3e35751800(0000) GS:ffff888085fb7000(0000) knlGS:0000000000000000
[  374.796677][T12477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  374.797107][T12477] CR2: 00000000004e5760 CR3: 000000000fa66005 CR4: 0000000000772ef0
[  374.797593][T12477] PKRU: 55555554
[  374.797832][T12477] Call Trace:
[  374.798084][T12477]  <TASK>
[374.798250][T12477] ? __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) 
[374.798679][T12477] ? br_del_if (net/bridge/br_if.c:742) bridge 
[374.799058][T12477] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[374.799400][T12477] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[374.799719][T12477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[374.800069][T12477] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[374.800399][T12477] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[374.800723][T12477] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[374.801061][T12477] ? ___sys_sendmsg (net/socket.c:2670) 
[374.801391][T12477] ? __sys_sendmsg (net/socket.c:2700) 
[374.801713][T12477] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[374.802044][T12477] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[374.802449][T12477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[374.802785][T12477] netif_set_mtu (net/core/dev.c:9652) 
[374.803119][T12477] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[374.803475][T12477] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[374.803725][T12477] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[374.804168][T12477] br_del_if (net/bridge/br_if.c:743) bridge 
[374.804516][T12477] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[374.804843][T12477] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[374.805199][T12477] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[374.805535][T12477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[374.805943][T12477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[374.806286][T12477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[374.806624][T12477] ? __kernel_text_address (kernel/extable.c:79) 
[374.806952][T12477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[374.807292][T12477] ? __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) 
[374.807620][T12477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[374.808041][T12477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[374.808368][T12477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[374.808685][T12477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[374.809035][T12477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[374.809355][T12477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[374.809674][T12477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[374.810007][T12477] ? __create_object (mm/kmemleak.c:771) 
[374.810350][T12477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[374.810681][T12477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[374.810995][T12477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[374.811400][T12477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[374.811727][T12477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[374.812057][T12477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[374.812383][T12477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[374.812712][T12477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[374.813051][T12477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[374.813366][T12477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[374.813707][T12477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[374.814061][T12477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[374.814392][T12477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[374.814718][T12477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[374.815062][T12477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[374.815396][T12477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[374.815720][T12477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[374.816058][T12477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[374.816386][T12477] ? 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) 
[374.816707][T12477] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[374.817052][T12477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[374.817370][T12477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[374.817698][T12477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[374.818035][T12477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[374.818367][T12477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[374.818703][T12477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[374.819049][T12477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[374.819379][T12477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[374.819786][T12477] ___sys_sendmsg (net/socket.c:2670) 
[374.820133][T12477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[374.820462][T12477] ? __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) 
[374.820853][T12477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[374.821199][T12477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[374.821533][T12477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[374.821860][T12477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[374.822192][T12477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[374.822534][T12477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[374.822874][T12477] __sys_sendmsg (net/socket.c:2700) 
[374.823216][T12477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[374.823638][T12477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[374.823970][T12477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[374.824297][T12477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[374.824636][T12477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  374.825041][T12477] RIP: 0033:0x7f3e3591e1e7
[ 374.825376][T12477] 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)
[  374.826496][T12477] RSP: 002b:00007ffdcb293cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  374.826973][T12477] RAX: ffffffffffffffda RBX: 00007ffdcb294420 RCX: 00007f3e3591e1e7
[  374.827461][T12477] RDX: 0000000000000000 RSI: 00007ffdcb293d60 RDI: 0000000000000005
[  374.827932][T12477] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  374.828426][T12477] R10: 00007f3e3581bee8 R11: 0000000000000246 R12: 0000000000000003
[  374.828897][T12477] R13: 00000000686e192a R14: 0000000000499600 R15: 0000000000000000
| [  375.708779][T12510] ------------[ cut here ]------------
| [375.709091][T12510] WARNING: CPU: 0 PID: 12510 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) 
| [  375.709695][T12510] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  375.711059][T12510] Tainted: [W]=WARN
[  375.711292][T12510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[375.711675][T12510] 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) 
[ 375.711990][T12510] 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
[  375.713092][T12510] RSP: 0018:ffffc90006af6ef0 EFLAGS: 00010246
[  375.713482][T12510] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  375.713942][T12510] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  375.714427][T12510] RBP: ffffc90006af6fe0 R08: 0000000000000000 R09: 0000000000000000
[  375.714906][T12510] R10: ffffc90006af7010 R11: ffffffffa82a8918 R12: 1ffff92000d5ede2
[  375.715379][T12510] R13: 00000000000005dc R14: ffffc90006af7010 R15: ffff88800bb72f08
[  375.715852][T12510] FS:  00007f94e7a5e800(0000) GS:ffff888085eb7000(0000) knlGS:0000000000000000
[  375.716431][T12510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  375.716830][T12510] CR2: 00000000004e5760 CR3: 000000000ec21006 CR4: 0000000000772ef0
[  375.717317][T12510] PKRU: 55555554
[  375.717549][T12510] Call Trace:
[  375.717820][T12510]  <TASK>
[375.717982][T12510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[375.718318][T12510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[375.718649][T12510] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[375.718981][T12510] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[375.719370][T12510] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[375.719683][T12510] netif_set_mtu (net/core/dev.c:9652) 
[375.720008][T12510] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[375.720352][T12510] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[375.720796][T12510] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[375.721073][T12510] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[375.721507][T12510] br_add_if (net/bridge/br_if.c:697) bridge 
[375.721908][T12510] do_set_master (net/core/rtnetlink.c:2948) 
[375.722272][T12510] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[375.722601][T12510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[375.723034][T12510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[375.723357][T12510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[375.723700][T12510] ? __kernel_text_address (kernel/extable.c:79) 
[375.724039][T12510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[375.724378][T12510] ? __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) 
[375.724704][T12510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[375.725117][T12510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[375.725457][T12510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[375.725790][T12510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[375.726128][T12510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[375.726489][T12510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[375.726816][T12510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[375.727160][T12510] ? __create_object (mm/kmemleak.c:771) 
[375.727487][T12510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[375.727816][T12510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[375.728153][T12510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[375.728563][T12510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[375.728911][T12510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[375.729250][T12510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[375.729579][T12510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[375.729927][T12510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[375.730254][T12510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[375.730573][T12510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[375.730917][T12510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[375.731271][T12510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[375.731603][T12510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[375.731937][T12510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[375.732290][T12510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[375.732618][T12510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[375.732962][T12510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[375.733313][T12510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[375.733641][T12510] ? 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) 
[375.733978][T12510] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[375.734316][T12510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[375.734874][T12510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[375.735207][T12510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[375.735537][T12510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[375.735864][T12510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[375.736241][T12510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[375.736579][T12510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[375.737137][T12510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[375.737547][T12510] ___sys_sendmsg (net/socket.c:2670) 
[375.737865][T12510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[375.738420][T12510] ? __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) 
[375.738828][T12510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[375.739167][T12510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[375.739504][T12510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[375.740089][T12510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[375.740437][T12510] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[375.740771][T12510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[375.741121][T12510] __sys_sendmsg (net/socket.c:2700) 
[375.741691][T12510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[375.742120][T12510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[375.742454][T12510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[375.742787][T12510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[375.743363][T12510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  375.743778][T12510] RIP: 0033:0x7f94e7c2b1e7
[ 375.744138][T12510] 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)
[  375.745612][T12510] RSP: 002b:00007fff7494f238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  375.746124][T12510] RAX: ffffffffffffffda RBX: 00007fff7494f960 RCX: 00007f94e7c2b1e7
[  375.746872][T12510] RDX: 0000000000000000 RSI: 00007fff7494f2a0 RDI: 0000000000000005
[  375.747379][T12510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  375.747874][T12510] R10: 0000000003ef6910 R11: 0000000000000246 R12: 0000000000000004
[  375.748376][T12510] R13: 00000000686e192b R14: 0000000000499600 R15: 0000000000000000
| [  427.533965][T14462] ------------[ cut here ]------------
| [427.534310][T14462] WARNING: CPU: 1 PID: 14462 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) 
| [  427.534920][T14462] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  427.536263][T14462] Tainted: [W]=WARN
[  427.536502][T14462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[427.536880][T14462] 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) 
[ 427.537208][T14462] 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
[  427.538310][T14462] RSP: 0018:ffffc90000eb6f70 EFLAGS: 00010246
[  427.538706][T14462] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  427.540356][T14462] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  427.540824][T14462] RBP: ffffc90000eb7058 R08: 0000000000000000 R09: 0000000000000000
[  427.541296][T14462] R10: ffffc90000eb7088 R11: ffffffffa7979160 R12: 1ffff920001d6df2
[  427.541752][T14462] R13: 00000000000005dc R14: ffffc90000eb7088 R15: ffff88800bb72f08
[  427.542222][T14462] FS:  00007f7a6b2ad800(0000) GS:ffff888085f37000(0000) knlGS:0000000000000000
[  427.542762][T14462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  427.543149][T14462] CR2: 00000000004e5760 CR3: 000000001145e004 CR4: 0000000000772ef0
[  427.543610][T14462] PKRU: 55555554
[  427.543837][T14462] Call Trace:
[  427.544072][T14462]  <TASK>
[427.544225][T14462] ? __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) 
[427.544605][T14462] ? br_del_if (net/bridge/br_if.c:742) bridge 
[427.544942][T14462] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[427.545252][T14462] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[427.545559][T14462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[427.545860][T14462] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[427.546178][T14462] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[427.546487][T14462] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[427.546789][T14462] ? ___sys_sendmsg (net/socket.c:2670) 
[427.547097][T14462] ? __sys_sendmsg (net/socket.c:2700) 
[427.547397][T14462] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[427.547704][T14462] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[427.548093][T14462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[427.548406][T14462] netif_set_mtu (net/core/dev.c:9652) 
[427.548711][T14462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[427.549041][T14462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[427.549273][T14462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[427.549683][T14462] br_del_if (net/bridge/br_if.c:743) bridge 
[427.550033][T14462] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[427.550351][T14462] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[427.550665][T14462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[427.550974][T14462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[427.551371][T14462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[427.551675][T14462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[427.551980][T14462] ? __kernel_text_address (kernel/extable.c:79) 
[427.552296][T14462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.552610][T14462] ? __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) 
[427.552916][T14462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[427.553303][T14462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.553605][T14462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.553913][T14462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[427.554233][T14462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[427.554538][T14462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[427.554841][T14462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[427.555168][T14462] ? __create_object (mm/kmemleak.c:771) 
[427.555473][T14462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[427.555776][T14462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[427.556089][T14462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[427.556476][T14462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[427.556786][T14462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[427.557104][T14462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.557412][T14462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.557757][T14462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[427.558088][T14462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[427.558397][T14462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[427.558701][T14462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[427.559003][T14462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[427.559323][T14462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.559630][T14462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.559946][T14462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[427.560267][T14462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[427.560574][T14462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[427.560889][T14462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[427.561197][T14462] ? 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) 
[427.561504][T14462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[427.561810][T14462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[427.562137][T14462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.562460][T14462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[427.562780][T14462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[427.563094][T14462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[427.563407][T14462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[427.563721][T14462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[427.564047][T14462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[427.564452][T14462] ___sys_sendmsg (net/socket.c:2670) 
[427.564761][T14462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[427.565088][T14462] ? __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) 
[427.565476][T14462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[427.565785][T14462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[427.566115][T14462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[427.566441][T14462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[427.566749][T14462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[427.567074][T14462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[427.567386][T14462] __sys_sendmsg (net/socket.c:2700) 
[427.567688][T14462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[427.568079][T14462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[427.568403][T14462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[427.568713][T14462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[427.569038][T14462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  427.569423][T14462] RIP: 0033:0x7f7a6b47a1e7
[ 427.569749][T14462] 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)
[  427.570858][T14462] RSP: 002b:00007ffd26c59de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  427.571341][T14462] RAX: ffffffffffffffda RBX: 00007ffd26c5a510 RCX: 00007f7a6b47a1e7
[  427.571798][T14462] RDX: 0000000000000000 RSI: 00007ffd26c59e50 RDI: 0000000000000005
[  427.572261][T14462] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  427.572714][T14462] R10: 00007f7a6b377ee8 R11: 0000000000000246 R12: 0000000000000003
[  427.573182][T14462] R13: 00000000686e195f R14: 0000000000499600 R15: 0000000000000000
| [  428.916863][T14489] ------------[ cut here ]------------
| [428.917199][T14489] WARNING: CPU: 1 PID: 14489 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) 
| [  428.917799][T14489] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  428.919148][T14489] Tainted: [W]=WARN
[  428.919383][T14489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[428.919760][T14489] 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) 
[ 428.920083][T14489] 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
[  428.921177][T14489] RSP: 0018:ffffc90002206f70 EFLAGS: 00010246
[  428.921562][T14489] RAX: 0000000000000000 RBX: ffff88800bb72000 RCX: 0000000000000001
[  428.922029][T14489] RDX: 0000000000000000 RSI: ffffffffa749b941 RDI: ffffffffa6c555e0
[  428.922486][T14489] RBP: ffffc90002207058 R08: 0000000000000000 R09: 0000000000000000
[  428.922946][T14489] R10: ffffc90002207088 R11: ffffffffa7979160 R12: 1ffff92000440df2
[  428.923589][T14489] R13: 00000000000005dc R14: ffffc90002207088 R15: ffff88800bb72f08
[  428.924183][T14489] FS:  00007f4d4f0c9800(0000) GS:ffff888085f37000(0000) knlGS:0000000000000000
[  428.924712][T14489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.925244][T14489] CR2: 00000000004e5aa8 CR3: 000000000f589002 CR4: 0000000000772ef0
[  428.925701][T14489] PKRU: 55555554
[  428.925927][T14489] Call Trace:
[  428.926306][T14489]  <TASK>
[428.926464][T14489] ? __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) 
[428.926844][T14489] ? br_del_if (net/bridge/br_if.c:742) bridge 
[428.927289][T14489] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[428.927597][T14489] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[428.927900][T14489] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[428.928211][T14489] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[428.928516][T14489] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.928818][T14489] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.929129][T14489] ? ___sys_sendmsg (net/socket.c:2670) 
[428.929430][T14489] ? __sys_sendmsg (net/socket.c:2700) 
[428.929730][T14489] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.930046][T14489] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[428.930421][T14489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[428.930733][T14489] netif_set_mtu (net/core/dev.c:9652) 
[428.931086][T14489] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[428.931412][T14489] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[428.931642][T14489] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[428.932060][T14489] br_del_if (net/bridge/br_if.c:743) bridge 
[428.932405][T14489] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[428.932711][T14489] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[428.933033][T14489] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[428.933340][T14489] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[428.933725][T14489] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[428.934036][T14489] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[428.934338][T14489] ? __kernel_text_address (kernel/extable.c:79) 
[428.934649][T14489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.934956][T14489] ? __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) 
[428.935288][T14489] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[428.935664][T14489] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.935967][T14489] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.936276][T14489] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[428.936593][T14489] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[428.936900][T14489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[428.937215][T14489] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[428.937516][T14489] ? __create_object (mm/kmemleak.c:771) 
[428.937823][T14489] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[428.938136][T14489] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[428.938440][T14489] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[428.938817][T14489] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[428.939140][T14489] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[428.939451][T14489] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.939758][T14489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.940079][T14489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[428.940385][T14489] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[428.940686][T14489] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.940992][T14489] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[428.941304][T14489] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[428.941610][T14489] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.941921][T14489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.942238][T14489] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[428.942543][T14489] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[428.942847][T14489] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[428.943171][T14489] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[428.943475][T14489] ? 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) 
[428.943781][T14489] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[428.944102][T14489] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[428.944405][T14489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.944712][T14489] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[428.945030][T14489] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[428.945334][T14489] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[428.945644][T14489] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[428.945950][T14489] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[428.946266][T14489] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[428.946672][T14489] ___sys_sendmsg (net/socket.c:2670) 
[428.946976][T14489] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[428.947289][T14489] ? __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) 
[428.947671][T14489] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[428.947978][T14489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[428.948293][T14489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[428.948610][T14489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[428.948913][T14489] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[428.949225][T14489] ? __lock_release (kernel/locking/lockdep.c:5539) 
[428.949538][T14489] __sys_sendmsg (net/socket.c:2700) 
[428.949840][T14489] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[428.950224][T14489] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[428.950539][T14489] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[428.950851][T14489] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[428.951168][T14489] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  428.951550][T14489] RIP: 0033:0x7f4d4f2961e7
[ 428.951866][T14489] 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)
[  428.952951][T14489] RSP: 002b:00007ffff1a30e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  428.953421][T14489] RAX: ffffffffffffffda RBX: 00007ffff1a315c0 RCX: 00007f4d4f2961e7
[  428.953881][T14489] RDX: 0000000000000000 RSI: 00007ffff1a30f00 RDI: 0000000000000005
[  428.954341][T14489] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  428.954794][T14489] R10: 00007f4d4f193ee8 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