======================================
| [   20.422008][  T309] br0: port 1(swp1) entered forwarding state
| [   20.424709][  T309] ------------[ cut here ]------------
| [ 20.425437][ T309] WARNING: CPU: 3 PID: 309 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.426056][  T309] Modules linked in:
[   20.426918][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.427306][ T309] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.427614][ T309] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.428729][  T309] RSP: 0018:ffffc90000d76ef0 EFLAGS: 00010246
[   20.429129][  T309] RAX: 0000000000000000 RBX: ffff88800ab92000 RCX: 0000000000000001
[   20.429784][  T309] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   20.430277][  T309] RBP: ffffc90000d76fd8 R08: 0000000000000000 R09: 0000000000000000
[   20.430733][  T309] R10: ffffc90000d77008 R11: ffffffff89f8d1e0 R12: 1ffff920001aede2
[   20.431213][  T309] R13: 00000000000005dc R14: ffffc90000d77008 R15: ffff88800ab92f48
[   20.431679][  T309] FS:  00007f498db19800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[   20.432231][  T309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.432610][  T309] CR2: 00000000004e6888 CR3: 000000000ca2c002 CR4: 0000000000772ef0
[   20.433227][  T309] PKRU: 55555554
[   20.433457][  T309] Call Trace:
[   20.433701][  T309]  <TASK>
[ 20.434002][ T309] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.434331][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.434642][ T309] netif_set_mtu (net/core/dev.c:9652) 
[ 20.435094][ T309] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.435408][ T309] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.435655][ T309] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 20.436098][ T309] br_add_if (net/bridge/br_if.c:697) 
[ 20.436353][ T309] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.436659][ T309] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.437108][ T309] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.437495][ T309] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.437796][ T309] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.438127][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.438432][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.438753][ T309] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.439064][ T309] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.439455][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.439767][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.440081][ T309] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.440390][ T309] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.440697][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.441006][ T309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.441309][ T309] ? __create_object (mm/kmemleak.c:771) 
[ 20.441611][ T309] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.441925][ T309] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.442249][ T309] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.442638][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.442955][ T309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.443269][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.443583][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.443909][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.444221][ T309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.444524][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.444846][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.445154][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.445452][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.445760][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.446077][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.446379][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.446685][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.447021][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.447335][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.447652][ T309] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.447989][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.448284][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.448587][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.448896][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.449197][ T309] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.449501][ T309] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.449821][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.450114][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.450494][ T309] ___sys_sendmsg (net/socket.c:2670) 
[ 20.450791][ T309] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.451093][ T309] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.451472][ T309] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.451778][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.452094][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.452401][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.452700][ T309] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.453008][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.453311][ T309] __sys_sendmsg (net/socket.c:2700) 
[ 20.453634][ T309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.454028][ T309] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.454350][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.454653][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.454962][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.455327][  T309] RIP: 0033:0x7f498dce61e7
[ 20.455638][ T309] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.456721][  T309] RSP: 002b:00007ffdb83614a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.457184][  T309] RAX: ffffffffffffffda RBX: 00007ffdb8361be0 RCX: 00007f498dce61e7
[   20.457630][  T309] RDX: 0000000000000000 RSI: 00007ffdb8361510 RDI: 0000000000000005
[   20.458091][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.458544][  T309] R10: 0000000022a39910 R11: 0000000000000246 R12: 0000000000000004
[   20.458999][  T309] R13: 00000000686e1e09 R14: 0000000000499600 R15: 0000000000000000
| [   20.869823][  T311] ------------[ cut here ]------------
| [ 20.870128][ T311] WARNING: CPU: 3 PID: 311 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.870863][  T311] Modules linked in: vxlan
| [   20.871889][  T311] Tainted: [W]=WARN
[   20.872123][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.872502][ T311] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.872845][ T311] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.873973][  T311] RSP: 0018:ffffc90000d97080 EFLAGS: 00010246
[   20.874356][  T311] RAX: 0000000000000000 RBX: ffff88800ab92000 RCX: 0000000000000001
[   20.874816][  T311] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   20.875293][  T311] RBP: ffffc90000d97168 R08: 0000000000000000 R09: 0000000000000000
[   20.875766][  T311] R10: ffffc90000d97198 R11: ffffffff8a8ceab8 R12: 1ffff920001b2e14
[   20.876250][  T311] R13: 00000000000005dc R14: ffffc90000d97198 R15: ffff88800ab92f48
[   20.876725][  T311] FS:  00007fbed0427800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[   20.877278][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.877693][  T311] CR2: 000000000043d940 CR3: 000000000b628003 CR4: 0000000000772ef0
[   20.878168][  T311] PKRU: 55555554
[   20.878396][  T311] Call Trace:
[   20.878625][  T311]  <TASK>
[ 20.878785][ T311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.879109][ T311] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.879421][ T311] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.879803][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.880127][ T311] netif_set_mtu (net/core/dev.c:9652) 
[ 20.880429][ T311] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.880744][ T311] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 20.881138][ T311] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.881370][ T311] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 20.881690][ T311] br_add_if (net/bridge/br_if.c:697) 
[ 20.881940][ T311] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.882256][ T311] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 20.882565][ T311] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 20.882881][ T311] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.883192][ T311] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.883515][ T311] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.883837][ T311] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.884152][ T311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.884463][ T311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.884780][ T311] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.885108][ T311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.885427][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.885750][ T311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.886067][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.886379][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.886687][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.887010][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.887321][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.887630][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.887967][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.888278][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.888596][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.888909][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.889239][ T311] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.889549][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.889859][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.890209][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.890526][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.890858][ T311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.891184][ T311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.891541][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.891866][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.892300][ T311] ___sys_sendmsg (net/socket.c:2670) 
[ 20.892610][ T311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.892942][ T311] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.893251][ T311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.893569][ T311] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.893950][ T311] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.894263][ T311] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.894570][ T311] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.894913][ T311] __sys_sendmsg (net/socket.c:2700) 
[ 20.895226][ T311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.895531][ T311] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 20.895862][ T311] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 20.896181][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.896493][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.896815][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.897219][  T311] RIP: 0033:0x7fbed05f41e7
[ 20.897540][ T311] Code: Unable to access opcode bytes at 0x7fbed05f41bd.

Code starting with the faulting instruction
===========================================
[   20.897968][  T311] RSP: 002b:00007fff2239ce68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.898458][  T311] RAX: ffffffffffffffda RBX: 00007fff2239d5a0 RCX: 00007fbed05f41e7
[   20.898954][  T311] RDX: 0000000000000000 RSI: 00007fff2239ced0 RDI: 0000000000000005
[   20.899438][  T311] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   20.899925][  T311] R10: 00007fbed0682ac0 R11: 0000000000000246 R12: 00007fff2239d5d8
[   20.900403][  T311] R13: 00000000686e1e0a R14: 0000000000499600 R15: 00007fff2239cfc0
| [   22.625013][  T325] ------------[ cut here ]------------
| [ 22.625320][ T325] WARNING: CPU: 3 PID: 325 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.625934][  T325] Modules linked in: vxlan
| [   22.626867][  T325] Tainted: [W]=WARN
[   22.627100][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.627472][ T325] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.627792][ T325] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.628887][  T325] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   22.629267][  T325] RAX: 0000000000000000 RBX: ffff88800be3a000 RCX: 0000000000000001
[   22.629716][  T325] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   22.630181][  T325] RBP: ffffc90000576fd8 R08: 0000000000000000 R09: 0000000000000000
[   22.630627][  T325] R10: ffffc90000577008 R11: ffffffff89f8d1e0 R12: 1ffff920000aede2
[   22.631091][  T325] R13: 00000000000005dc R14: ffffc90000577008 R15: ffff88800be3af48
[   22.631535][  T325] FS:  00007ff7bc42a800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[   22.632107][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.632487][  T325] CR2: 00000000004e6888 CR3: 000000001150f006 CR4: 0000000000772ef0
[   22.632958][  T325] PKRU: 55555554
[   22.633185][  T325] Call Trace:
[   22.633408][  T325]  <TASK>
[ 22.633580][ T325] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.633907][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.634230][ T325] netif_set_mtu (net/core/dev.c:9652) 
[ 22.634526][ T325] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.634848][ T325] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.635154][ T325] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 22.635462][ T325] br_add_if (net/bridge/br_if.c:697) 
[ 22.635696][ T325] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.636033][ T325] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.636343][ T325] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.636717][ T325] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.637037][ T325] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.637335][ T325] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.637643][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.637971][ T325] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.638272][ T325] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.638646][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.638967][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.639260][ T325] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.639556][ T325] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.639887][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.640192][ T325] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.640487][ T325] ? __create_object (mm/kmemleak.c:771) 
[ 22.640791][ T325] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.641111][ T325] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.641413][ T325] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.641784][ T325] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.642109][ T325] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.642412][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.642707][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.643030][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.643331][ T325] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.643638][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.643971][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.644268][ T325] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.644567][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.644888][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.645191][ T325] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.645489][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.645795][ T325] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.646131][ T325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.646430][ T325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.646728][ T325] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.647078][ T325] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.647378][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.647686][ T325] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.648020][ T325] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.648320][ T325] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.648626][ T325] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.648939][ T325] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.649234][ T325] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.649620][ T325] ___sys_sendmsg (net/socket.c:2670) 
[ 22.649928][ T325] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.650231][ T325] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.650601][ T325] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.650910][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.651225][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.651528][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.651853][ T325] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.652152][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.652463][ T325] __sys_sendmsg (net/socket.c:2700) 
[ 22.652759][ T325] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.653142][ T325] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.653451][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.653760][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.654075][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.654446][  T325] RIP: 0033:0x7ff7bc5f71e7
[ 22.654759][ T325] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.655844][  T325] RSP: 002b:00007ffd18441658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.656294][  T325] RAX: ffffffffffffffda RBX: 00007ffd18441d90 RCX: 00007ff7bc5f71e7
[   22.656747][  T325] RDX: 0000000000000000 RSI: 00007ffd184416c0 RDI: 0000000000000005
[   22.657421][  T325] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.657873][  T325] R10: 00000000328dc910 R11: 0000000000000246 R12: 0000000000000004
[   22.658315][  T325] R13: 00000000686e1e0c R14: 0000000000499600 R15: 0000000000000000
| [   22.926760][  T327] ------------[ cut here ]------------
| [ 22.927484][ T327] WARNING: CPU: 0 PID: 327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.928186][  T327] Modules linked in: vxlan
| [   22.929194][  T327] Tainted: [W]=WARN
[   22.929438][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.929837][ T327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.930163][ T327] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.931349][  T327] RSP: 0018:ffffc90000597080 EFLAGS: 00010246
[   22.931767][  T327] RAX: 0000000000000000 RBX: ffff88800be3a000 RCX: 0000000000000001
[   22.932279][  T327] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   22.932782][  T327] RBP: ffffc90000597168 R08: 0000000000000000 R09: 0000000000000000
[   22.933405][  T327] R10: ffffc90000597198 R11: ffffffff89f8d1e0 R12: 1ffff920000b2e14
[   22.933960][  T327] R13: 00000000000005dc R14: ffffc90000597198 R15: ffff88800be3af48
[   22.934449][  T327] FS:  00007f69218ab800(0000) GS:ffff8880e1399000(0000) knlGS:0000000000000000
[   22.935058][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.935470][  T327] CR2: 000000000043d940 CR3: 000000001150f004 CR4: 0000000000772ef0
[   22.935980][  T327] PKRU: 55555554
[   22.936231][  T327] Call Trace:
[   22.936472][  T327]  <TASK>
[ 22.936641][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.937030][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.937374][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 22.937691][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.938036][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.938288][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 22.938616][ T327] br_add_if (net/bridge/br_if.c:697) 
[ 22.938882][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.939224][ T327] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 22.939547][ T327] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 22.939882][ T327] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.940213][ T327] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.940531][ T327] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.940858][ T327] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.941189][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.941517][ T327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.941862][ T327] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.942203][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.942525][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.942875][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.943207][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.943565][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.943897][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.944229][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.944596][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.944947][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.945318][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.945669][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.946058][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.946407][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.946747][ T327] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.947119][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.947445][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.947794][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.948148][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.948491][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.948855][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.949225][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.949567][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.950013][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 22.950339][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.950661][ T327] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 22.951013][ T327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.951354][ T327] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 22.951678][ T327] ? __handle_mm_fault (mm/memory.c:6212) 
[ 22.952022][ T327] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 22.952340][ T327] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 22.952735][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 22.953114][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.953452][ T327] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 22.953852][ T327] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 22.954207][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.954553][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.954935][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.955371][  T327] RIP: 0033:0x7f6921a781e7
[ 22.955703][ T327] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.956957][  T327] RSP: 002b:00007ffdcde17ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.957498][  T327] RAX: ffffffffffffffda RBX: 00007ffdcde18210 RCX: 00007f6921a781e7
[   22.957997][  T327] RDX: 0000000000000000 RSI: 00007ffdcde17b40 RDI: 0000000000000005
[   22.958541][  T327] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   22.959071][  T327] R10: 00007f6921b06ac0 R11: 0000000000000246 R12: 00007ffdcde18248
[   22.959591][  T327] R13: 00000000686e1e0c R14: 0000000000499600 R15: 00007ffdcde17c30
| [   45.291167][  T516] ------------[ cut here ]------------
| [ 45.291507][ T516] WARNING: CPU: 2 PID: 516 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) 
| [   45.292149][  T516] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   45.293298][  T516] Tainted: [W]=WARN
[   45.293562][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.293978][ T516] 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) 
[ 45.294315][ T516] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   45.295471][  T516] RSP: 0018:ffffc90000ca6ef0 EFLAGS: 00010246
[   45.295894][  T516] RAX: 0000000000000000 RBX: ffff88800e63a000 RCX: 0000000000000001
[   45.296372][  T516] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   45.296895][  T516] RBP: ffffc90000ca6fd8 R08: 0000000000000000 R09: 0000000000000000
[   45.297415][  T516] R10: ffffc90000ca7008 R11: ffffffff89f8d1e0 R12: 1ffff92000194de2
[   45.297919][  T516] R13: 00000000000005dc R14: ffffc90000ca7008 R15: ffff88800e63af48
[   45.298400][  T516] FS:  00007f8c66ee9800(0000) GS:ffff8880e1499000(0000) knlGS:0000000000000000
[   45.298998][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.299416][  T516] CR2: 00000000004e6888 CR3: 000000001157d005 CR4: 0000000000772ef0
[   45.299928][  T516] PKRU: 55555554
[   45.300187][  T516] Call Trace:
[   45.300461][  T516]  <TASK>
[ 45.300639][ T516] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.301024][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.301372][ T516] netif_set_mtu (net/core/dev.c:9652) 
[ 45.301722][ T516] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.302080][ T516] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.302332][ T516] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 45.302678][ T516] br_add_if (net/bridge/br_if.c:697) 
[ 45.302978][ T516] do_set_master (net/core/rtnetlink.c:2948) 
[ 45.303310][ T516] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.303651][ T516] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.304079][ T516] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.304407][ T516] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.304738][ T516] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.305074][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.305413][ T516] ? __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) 
[ 45.305741][ T516] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.306146][ T516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.306471][ T516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.306795][ T516] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.307129][ T516] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.307456][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.307786][ T516] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.308144][ T516] ? __create_object (mm/kmemleak.c:771) 
[ 45.308472][ T516] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.308802][ T516] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.309134][ T516] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.309541][ T516] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.309899][ T516] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.310238][ T516] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.310576][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.310924][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.311255][ T516] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.311580][ T516] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.311917][ T516] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.312243][ T516] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.312570][ T516] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.312913][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.313243][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.313585][ T516] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.313921][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.314259][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.314583][ T516] ? 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) 
[ 45.314924][ T516] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.315271][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.315607][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.315950][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.316291][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.316625][ T516] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.316981][ T516] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.317313][ T516] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.317637][ T516] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.318077][ T516] ___sys_sendmsg (net/socket.c:2670) 
[ 45.318401][ T516] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.318725][ T516] ? __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) 
[ 45.319141][ T516] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.319472][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.319802][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.320143][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.320464][ T516] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.320783][ T516] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.321125][ T516] __sys_sendmsg (net/socket.c:2700) 
[ 45.321456][ T516] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.321862][ T516] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.322202][ T516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.322525][ T516] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.322880][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.323279][  T516] RIP: 0033:0x7f8c670b61e7
[ 45.323617][ T516] 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)
[   45.324761][  T516] RSP: 002b:00007fff0f243208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.325301][  T516] RAX: ffffffffffffffda RBX: 00007fff0f243940 RCX: 00007f8c670b61e7
[   45.325793][  T516] RDX: 0000000000000000 RSI: 00007fff0f243270 RDI: 0000000000000005
[   45.326290][  T516] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   45.326776][  T516] R10: 00000000193f9910 R11: 0000000000000246 R12: 0000000000000004
[   45.327286][  T516] R13: 00000000686e1e22 R14: 0000000000499600 R15: 0000000000000000
| [   45.614200][  T518] ------------[ cut here ]------------
| [ 45.614523][ T518] WARNING: CPU: 3 PID: 518 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) 
| [   45.615265][  T518] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   45.616404][  T518] Tainted: [W]=WARN
[   45.616634][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.617033][ T518] 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) 
[ 45.617352][ T518] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   45.618602][  T518] RSP: 0000:ffffc90000cd7080 EFLAGS: 00010246
[   45.619092][  T518] RAX: 0000000000000000 RBX: ffff88800e63a000 RCX: 0000000000000001
[   45.619572][  T518] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   45.620158][  T518] RBP: ffffc90000cd7168 R08: 0000000000000000 R09: 0000000000000000
[   45.620741][  T518] R10: ffffc90000cd7198 R11: ffffffff89f8d1e0 R12: 1ffff9200019ae14
[   45.621310][  T518] R13: 00000000000005dc R14: ffffc90000cd7198 R15: ffff88800e63af48
[   45.621766][  T518] FS:  00007f133240c800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[   45.622377][  T518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.622854][  T518] CR2: 00007f3316b71120 CR3: 000000001157d001 CR4: 0000000000772ef0
[   45.623425][  T518] PKRU: 55555554
[   45.623718][  T518] Call Trace:
[   45.624015][  T518]  <TASK>
[ 45.624297][ T518] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.624697][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.625110][ T518] netif_set_mtu (net/core/dev.c:9652) 
[ 45.625531][ T518] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.626103][ T518] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.626516][ T518] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 45.627073][ T518] br_add_if (net/bridge/br_if.c:697) 
[ 45.627497][ T518] do_set_master (net/core/rtnetlink.c:2948) 
[ 45.628043][ T518] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 45.628580][ T518] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 45.629136][ T518] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 45.629670][ T518] ? __dev_get_by_name (net/core/dev.c:865) 
[ 45.630046][ T518] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 45.630354][ T518] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 45.630665][ T518] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.630990][ T518] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 45.631304][ T518] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 45.631619][ T518] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.632004][ T518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.632428][ T518] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.632841][ T518] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.633385][ T518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.633863][ T518] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.634221][ T518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.634571][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.634933][ T518] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.635291][ T518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.635639][ T518] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.636006][ T518] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.636366][ T518] ? 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) 
[ 45.636796][ T518] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.637129][ T518] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.637438][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.637755][ T518] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.638070][ T518] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.638375][ T518] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.638692][ T518] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.639007][ T518] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.639309][ T518] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.639703][ T518] ___sys_sendmsg (net/socket.c:2670) 
[ 45.640023][ T518] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.640327][ T518] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 45.640634][ T518] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 45.640950][ T518] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 45.641261][ T518] ? __handle_mm_fault (mm/memory.c:6212) 
[ 45.641565][ T518] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 45.641874][ T518] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 45.642207][ T518] __sys_sendmsg (net/socket.c:2700) 
[ 45.642512][ T518] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.642822][ T518] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 45.643139][ T518] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 45.643446][ T518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.643790][ T518] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.644171][ T518] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.644559][  T518] RIP: 0033:0x7f13325d91e7
[ 45.644894][ T518] 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)
[   45.646034][  T518] RSP: 002b:00007ffe9e351468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.646518][  T518] RAX: ffffffffffffffda RBX: 00007ffe9e351ba0 RCX: 00007f13325d91e7
[   45.647006][  T518] RDX: 0000000000000000 RSI: 00007ffe9e3514d0 RDI: 0000000000000005
[   45.647462][  T518] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   45.647920][  T518] R10: 00007f1332667ac0 R11: 0000000000000246 R12: 00007ffe9e351bd8
[   45.648441][  T518] R13: 00000000686e1e23 R14: 0000000000499600 R15: 00007ffe9e3515c0
| [   47.173473][  T531] ------------[ cut here ]------------
| [ 47.173799][ T531] WARNING: CPU: 3 PID: 531 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   47.174410][  T531] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   47.175523][  T531] Tainted: [W]=WARN
[   47.175748][  T531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.176131][ T531] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 47.176454][ T531] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   47.177583][  T531] RSP: 0018:ffffc90000dc6ef0 EFLAGS: 00010246
[   47.177990][  T531] RAX: 0000000000000000 RBX: ffff88800bbf2000 RCX: 0000000000000001
[   47.178459][  T531] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   47.178941][  T531] RBP: ffffc90000dc6fd8 R08: 0000000000000000 R09: 0000000000000000
[   47.179411][  T531] R10: ffffc90000dc7008 R11: ffffffff89f8d1e0 R12: 1ffff920001b8de2
[   47.179889][  T531] R13: 00000000000005dc R14: ffffc90000dc7008 R15: ffff88800bbf2f48
[   47.180360][  T531] FS:  00007f5e508ce800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[   47.180917][  T531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.181310][  T531] CR2: 00000000004e6888 CR3: 000000000c007001 CR4: 0000000000772ef0
[   47.181755][  T531] PKRU: 55555554
[   47.181988][  T531] Call Trace:
[   47.182214][  T531]  <TASK>
[ 47.182368][ T531] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.182665][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.182995][ T531] netif_set_mtu (net/core/dev.c:9652) 
[ 47.183309][ T531] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.183652][ T531] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.183899][ T531] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 47.184217][ T531] br_add_if (net/bridge/br_if.c:697) 
[ 47.184462][ T531] do_set_master (net/core/rtnetlink.c:2948) 
[ 47.184802][ T531] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.185139][ T531] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.185543][ T531] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.185865][ T531] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.186182][ T531] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.186501][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.186845][ T531] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 47.187164][ T531] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.187552][ T531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.187880][ T531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.188190][ T531] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.188503][ T531] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.188827][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.189141][ T531] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.189450][ T531] ? __create_object (mm/kmemleak.c:771) 
[ 47.189769][ T531] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.190094][ T531] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.190416][ T531] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.190820][ T531] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.191138][ T531] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.191454][ T531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.191761][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.192081][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.192390][ T531] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.192706][ T531] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.193034][ T531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.193343][ T531] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.193664][ T531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.193988][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.194302][ T531] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.194611][ T531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.194955][ T531] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.195283][ T531] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.195590][ T531] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 47.195909][ T531] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.196224][ T531] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.196531][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.196853][ T531] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.197173][ T531] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.197487][ T531] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.197804][ T531] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.198131][ T531] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.198438][ T531] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.198843][ T531] ___sys_sendmsg (net/socket.c:2670) 
[ 47.199155][ T531] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.199463][ T531] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 47.199867][ T531] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.200181][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.200495][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.200820][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.201291][ T531] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 47.201594][ T531] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.201907][ T531] __sys_sendmsg (net/socket.c:2700) 
[ 47.202207][ T531] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.202570][ T531] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.202885][ T531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.203181][ T531] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.203481][ T531] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.203861][  T531] RIP: 0033:0x7f5e50a9b1e7
[ 47.204164][ T531] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   47.205230][  T531] RSP: 002b:00007ffee706e298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.205673][  T531] RAX: ffffffffffffffda RBX: 00007ffee706e9d0 RCX: 00007f5e50a9b1e7
[   47.206122][  T531] RDX: 0000000000000000 RSI: 00007ffee706e300 RDI: 0000000000000005
[   47.206567][  T531] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   47.207059][  T531] R10: 0000000009864910 R11: 0000000000000246 R12: 0000000000000004
[   47.207504][  T531] R13: 00000000686e1e24 R14: 0000000000499600 R15: 0000000000000000
| [   47.469461][  T533] ------------[ cut here ]------------
| [ 47.469827][ T533] WARNING: CPU: 2 PID: 533 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   47.470481][  T533] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   47.471671][  T533] Tainted: [W]=WARN
[   47.471947][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.472537][ T533] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 47.473040][ T533] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   47.474310][  T533] RSP: 0018:ffffc90000de7080 EFLAGS: 00010246
[   47.474849][  T533] RAX: 0000000000000000 RBX: ffff88800bbf2000 RCX: 0000000000000001
[   47.475319][  T533] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   47.475788][  T533] RBP: ffffc90000de7168 R08: 0000000000000000 R09: 0000000000000000
[   47.476280][  T533] R10: ffffc90000de7198 R11: ffffffff8a8ceab8 R12: 1ffff920001bce14
[   47.476759][  T533] R13: 00000000000005dc R14: ffffc90000de7198 R15: ffff88800bbf2f48
[   47.477242][  T533] FS:  00007f3d9d8c9800(0000) GS:ffff8880e1499000(0000) knlGS:0000000000000000
[   47.477788][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.478197][  T533] CR2: 000000000043d940 CR3: 000000000c007002 CR4: 0000000000772ef0
[   47.478673][  T533] PKRU: 55555554
[   47.478924][  T533] Call Trace:
[   47.479174][  T533]  <TASK>
[ 47.479348][ T533] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.479676][ T533] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 47.480034][ T533] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 47.480438][ T533] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 47.480762][ T533] netif_set_mtu (net/core/dev.c:9652) 
[ 47.481093][ T533] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.481431][ T533] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 47.481842][ T533] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.482090][ T533] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 47.482413][ T533] br_add_if (net/bridge/br_if.c:697) 
[ 47.482665][ T533] do_set_master (net/core/rtnetlink.c:2948) 
[ 47.482989][ T533] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 47.483313][ T533] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 47.483640][ T533] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 47.484020][ T533] ? __dev_get_by_name (net/core/dev.c:865) 
[ 47.484347][ T533] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.484665][ T533] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.484997][ T533] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.485316][ T533] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.485639][ T533] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 47.485980][ T533] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.486311][ T533] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.486642][ T533] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.486967][ T533] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.487287][ T533] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.487601][ T533] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.487956][ T533] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.488296][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.488622][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.488968][ T533] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.489289][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.489618][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.489948][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 47.490268][ T533] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.490589][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.490921][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.491256][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.491579][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.491934][ T533] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.492276][ T533] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.492600][ T533] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.492942][ T533] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.493350][ T533] ___sys_sendmsg (net/socket.c:2670) 
[ 47.493690][ T533] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.494022][ T533] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 47.494340][ T533] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.494656][ T533] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 47.494986][ T533] ? __handle_mm_fault (mm/memory.c:6212) 
[ 47.495306][ T533] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 47.495624][ T533] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 47.495999][ T533] __sys_sendmsg (net/socket.c:2700) 
[ 47.496324][ T533] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.496641][ T533] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 47.496976][ T533] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 47.497296][ T533] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.497616][ T533] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.497948][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.498344][  T533] RIP: 0033:0x7f3d9da961e7
[ 47.498674][ T533] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   47.499778][  T533] RSP: 002b:00007ffcc911bae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.500292][  T533] RAX: ffffffffffffffda RBX: 00007ffcc911c220 RCX: 00007f3d9da961e7
[   47.500769][  T533] RDX: 0000000000000000 RSI: 00007ffcc911bb50 RDI: 0000000000000005
[   47.501250][  T533] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   47.501722][  T533] R10: 00007f3d9db24ac0 R11: 0000000000000246 R12: 00007ffcc911c258
[   47.502204][  T533] R13: 00000000686e1e24 R14: 0000000000499600 R15: 00007ffcc911bc40
| [   74.880913][  T779] ------------[ cut here ]------------
| [ 74.881215][ T779] WARNING: CPU: 1 PID: 779 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) 
| [   74.881815][  T779] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   74.883303][  T779] Tainted: [W]=WARN
[   74.883530][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.883920][ T779] 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) 
[ 74.884233][ T779] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   74.885295][  T779] RSP: 0018:ffffc90001376ef0 EFLAGS: 00010246
[   74.885671][  T779] RAX: 0000000000000000 RBX: ffff88800ab92000 RCX: 0000000000000001
[   74.886130][  T779] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   74.886595][  T779] RBP: ffffc90001376fd8 R08: 0000000000000000 R09: 0000000000000000
[   74.887060][  T779] R10: ffffc90001377008 R11: ffffffff89f8d1e0 R12: 1ffff9200026ede2
[   74.887509][  T779] R13: 00000000000005dc R14: ffffc90001377008 R15: ffff88800ab92f48
[   74.887959][  T779] FS:  00007f94dd92f800(0000) GS:ffff8880e1419000(0000) knlGS:0000000000000000
[   74.888486][  T779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.888892][  T779] CR2: 00000000004e6888 CR3: 000000001151e003 CR4: 0000000000772ef0
[   74.889349][  T779] PKRU: 55555554
[   74.889571][  T779] Call Trace:
[   74.889791][  T779]  <TASK>
[ 74.889958][ T779] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.890256][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.890567][ T779] netif_set_mtu (net/core/dev.c:9652) 
[ 74.890878][ T779] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.891190][ T779] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.891420][ T779] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 74.891719][ T779] br_add_if (net/bridge/br_if.c:697) 
[ 74.891962][ T779] do_set_master (net/core/rtnetlink.c:2948) 
[ 74.892262][ T779] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.892562][ T779] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.892945][ T779] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.893239][ T779] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.893543][ T779] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.893869][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.894171][ T779] ? __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) 
[ 74.894468][ T779] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.894857][ T779] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.895156][ T779] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.895448][ T779] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.895746][ T779] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.896049][ T779] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.896346][ T779] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.896637][ T779] ? __create_object (mm/kmemleak.c:771) 
[ 74.896940][ T779] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.897234][ T779] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.897528][ T779] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.897899][ T779] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.898206][ T779] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.898506][ T779] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.898797][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.899114][ T779] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.899412][ T779] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.899709][ T779] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.900013][ T779] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.900308][ T779] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.900609][ T779] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.900915][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.901214][ T779] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.901508][ T779] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.901804][ T779] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.902120][ T779] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.902414][ T779] ? 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) 
[ 74.902715][ T779] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.903032][ T779] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.903327][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.903640][ T779] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.903951][ T779] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.904246][ T779] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.904549][ T779] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.904858][ T779] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.905150][ T779] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.905529][ T779] ___sys_sendmsg (net/socket.c:2670) 
[ 74.905830][ T779] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.906124][ T779] ? __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) 
[ 74.906493][ T779] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.906792][ T779] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.907118][ T779] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.907419][ T779] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.907716][ T779] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.908018][ T779] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.908320][ T779] __sys_sendmsg (net/socket.c:2700) 
[ 74.908611][ T779] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.908979][ T779] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.909295][ T779] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.909592][ T779] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.909984][ T779] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.910406][  T779] RIP: 0033:0x7f94ddafc1e7
[ 74.910753][ T779] 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)
[   74.911992][  T779] RSP: 002b:00007fff578676d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.912504][  T779] RAX: ffffffffffffffda RBX: 00007fff57867e10 RCX: 00007f94ddafc1e7
[   74.913014][  T779] RDX: 0000000000000000 RSI: 00007fff57867740 RDI: 0000000000000005
[   74.913521][  T779] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   74.914050][  T779] R10: 00000000252db910 R11: 0000000000000246 R12: 0000000000000004
[   74.914494][  T779] R13: 00000000686e1e40 R14: 0000000000499600 R15: 0000000000000000
| [   75.172635][  T781] ------------[ cut here ]------------
| [ 75.173009][ T781] WARNING: CPU: 1 PID: 781 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) 
| [   75.173702][  T781] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   75.174956][  T781] Tainted: [W]=WARN
[   75.175216][  T781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.175644][ T781] 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) 
[ 75.176017][ T781] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   75.177261][  T781] RSP: 0018:ffffc900013f7080 EFLAGS: 00010246
[   75.177697][  T781] RAX: 0000000000000000 RBX: ffff88800ab92000 RCX: 0000000000000001
[   75.178218][  T781] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   75.178730][  T781] RBP: ffffc900013f7168 R08: 0000000000000000 R09: 0000000000000000
[   75.179260][  T781] R10: ffffc900013f7198 R11: ffffffff8a8ceab8 R12: 1ffff9200027ee14
[   75.179782][  T781] R13: 00000000000005dc R14: ffffc900013f7198 R15: ffff88800ab92f48
[   75.180304][  T781] FS:  00007f50857a2800(0000) GS:ffff8880e1419000(0000) knlGS:0000000000000000
[   75.180914][  T781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.181352][  T781] CR2: 000000000043d940 CR3: 000000000b0dc004 CR4: 0000000000772ef0
[   75.181880][  T781] PKRU: 55555554
[   75.182141][  T781] Call Trace:
[   75.182399][  T781]  <TASK>
[ 75.182576][ T781] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.182934][ T781] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 75.183280][ T781] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 75.183729][ T781] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 75.184098][ T781] netif_set_mtu (net/core/dev.c:9652) 
[ 75.184447][ T781] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 75.184799][ T781] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 75.185247][ T781] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 75.185509][ T781] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 75.185869][ T781] br_add_if (net/bridge/br_if.c:697) 
[ 75.186149][ T781] do_set_master (net/core/rtnetlink.c:2948) 
[ 75.186500][ T781] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 75.186857][ T781] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 75.187206][ T781] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 75.187545][ T781] ? __dev_get_by_name (net/core/dev.c:865) 
[ 75.187896][ T781] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 75.188241][ T781] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 75.188589][ T781] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.188947][ T781] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 75.189298][ T781] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 75.189652][ T781] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.190012][ T781] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.190367][ T781] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.190710][ T781] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.191064][ T781] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.191411][ T781] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.191761][ T781] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.192123][ T781] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.192474][ T781] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.192830][ T781] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.193177][ T781] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.193531][ T781] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.193907][ T781] ? 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) 
[ 75.194264][ T781] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 75.194610][ T781] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.194961][ T781] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.195312][ T781] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.195659][ T781] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.196018][ T781] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.196370][ T781] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.196721][ T781] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.197074][ T781] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.197513][ T781] ___sys_sendmsg (net/socket.c:2670) 
[ 75.197870][ T781] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.198214][ T781] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 75.198560][ T781] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 75.198909][ T781] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 75.199269][ T781] ? __handle_mm_fault (mm/memory.c:6212) 
[ 75.199614][ T781] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 75.199967][ T781] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 75.200332][ T781] __sys_sendmsg (net/socket.c:2700) 
[ 75.200674][ T781] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.201024][ T781] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 75.201377][ T781] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 75.201730][ T781] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.202089][ T781] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.202440][ T781] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.202875][  T781] RIP: 0033:0x7f508596f1e7
[ 75.203230][ T781] 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)
[   75.204476][  T781] RSP: 002b:00007ffc3854af58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.205004][  T781] RAX: ffffffffffffffda RBX: 00007ffc3854b690 RCX: 00007f508596f1e7
[   75.205516][  T781] RDX: 0000000000000000 RSI: 00007ffc3854afc0 RDI: 0000000000000005
[   75.206040][  T781] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   75.206558][  T781] R10: 00007f50859fdac0 R11: 0000000000000246 R12: 00007ffc3854b6c8
[   75.207082][  T781] R13: 00000000686e1e40 R14: 0000000000499600 R15: 00007ffc3854b0b0
| [   76.863395][  T794] ------------[ cut here ]------------
| [ 76.863704][ T794] WARNING: CPU: 3 PID: 794 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) 
| [   76.864299][  T794] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   76.865386][  T794] Tainted: [W]=WARN
[   76.865617][  T794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 76.865999][ T794] 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) 
[ 76.866305][ T794] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   76.867380][  T794] RSP: 0018:ffffc900014b6ef0 EFLAGS: 00010246
[   76.867761][  T794] RAX: 0000000000000000 RBX: ffff88800ef3a000 RCX: 0000000000000001
[   76.868213][  T794] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   76.868665][  T794] RBP: ffffc900014b6fd8 R08: 0000000000000000 R09: 0000000000000000
[   76.869115][  T794] R10: ffffc900014b7008 R11: ffffffff89f8d1e0 R12: 1ffff92000296de2
[   76.869558][  T794] R13: 00000000000005dc R14: ffffc900014b7008 R15: ffff88800ef3af48
[   76.870010][  T794] FS:  00007f9aab7a6800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[   76.870532][  T794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.870911][  T794] CR2: 00000000004e6888 CR3: 000000000eed4005 CR4: 0000000000772ef0
[   76.871364][  T794] PKRU: 55555554
[   76.871586][  T794] Call Trace:
[   76.871816][  T794]  <TASK>
[ 76.871971][ T794] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 76.872270][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.872582][ T794] netif_set_mtu (net/core/dev.c:9652) 
[ 76.872894][ T794] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 76.873208][ T794] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 76.873440][ T794] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 76.873746][ T794] br_add_if (net/bridge/br_if.c:697) 
[ 76.873988][ T794] do_set_master (net/core/rtnetlink.c:2948) 
[ 76.874289][ T794] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 76.874589][ T794] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 76.874980][ T794] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 76.875285][ T794] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 76.875589][ T794] ? __kernel_text_address (kernel/extable.c:79) 
[ 76.875898][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.876211][ T794] ? __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) 
[ 76.876520][ T794] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 76.876900][ T794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.877200][ T794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.877494][ T794] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 76.877790][ T794] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 76.878254][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.878742][ T794] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 76.879239][ T794] ? __create_object (mm/kmemleak.c:771) 
[ 76.879737][ T794] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 76.880260][ T794] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 76.880786][ T794] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 76.881444][ T794] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 76.882012][ T794] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 76.882553][ T794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 76.883087][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.883638][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.884180][ T794] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 76.884709][ T794] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 76.885253][ T794] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 76.885742][ T794] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 76.886234][ T794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 76.886541][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.886882][ T794] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 76.887187][ T794] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 76.887485][ T794] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 76.887819][ T794] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 76.888119][ T794] ? 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) 
[ 76.888416][ T794] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 76.888719][ T794] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 76.889035][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.889337][ T794] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 76.889638][ T794] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 76.889963][ T794] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 76.890268][ T794] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 76.890566][ T794] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 76.890886][ T794] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 76.891268][ T794] ___sys_sendmsg (net/socket.c:2670) 
[ 76.891562][ T794] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 76.891879][ T794] ? __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) 
[ 76.892258][ T794] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 76.892555][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.892878][ T794] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 76.893178][ T794] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.893474][ T794] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 76.893785][ T794] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 76.894255][ T794] __sys_sendmsg (net/socket.c:2700) 
[ 76.894558][ T794] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 76.894958][ T794] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 76.895267][ T794] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.895563][ T794] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 76.895885][ T794] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   76.896248][  T794] RIP: 0033:0x7f9aab9731e7
[ 76.896556][ T794] 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)
[   76.897637][  T794] RSP: 002b:00007ffd351d9438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   76.898111][  T794] RAX: ffffffffffffffda RBX: 00007ffd351d9b70 RCX: 00007f9aab9731e7
[   76.898553][  T794] RDX: 0000000000000000 RSI: 00007ffd351d94a0 RDI: 0000000000000005
[   76.899026][  T794] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   76.899467][  T794] R10: 0000000014875910 R11: 0000000000000246 R12: 0000000000000004
[   76.899927][  T794] R13: 00000000686e1e42 R14: 0000000000499600 R15: 0000000000000000
| [   77.240157][  T796] ------------[ cut here ]------------
| [ 77.240471][ T796] WARNING: CPU: 3 PID: 796 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) 
| [   77.241093][  T796] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   77.242186][  T796] Tainted: [W]=WARN
[   77.242418][  T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 77.242797][ T796] 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) 
[ 77.243131][ T796] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   77.244251][  T796] RSP: 0018:ffffc900014d7080 EFLAGS: 00010246
[   77.244646][  T796] RAX: 0000000000000000 RBX: ffff88800ef3a000 RCX: 0000000000000001
[   77.245122][  T796] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[   77.245578][  T796] RBP: ffffc900014d7168 R08: 0000000000000000 R09: 0000000000000000
[   77.246039][  T796] R10: ffffc900014d7198 R11: ffffffff8a8ceab8 R12: 1ffff9200029ae14
[   77.246494][  T796] R13: 00000000000005dc R14: ffffc900014d7198 R15: ffff88800ef3af48
[   77.246961][  T796] FS:  00007f83c05e8800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[   77.247494][  T796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.247881][  T796] CR2: 000000000043d940 CR3: 000000000f7a1001 CR4: 0000000000772ef0
[   77.248342][  T796] PKRU: 55555554
[   77.248569][  T796] Call Trace:
[   77.248796][  T796]  <TASK>
[ 77.248969][ T796] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 77.249282][ T796] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 77.249588][ T796] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 77.249972][ T796] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 77.250283][ T796] netif_set_mtu (net/core/dev.c:9652) 
[ 77.250587][ T796] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 77.250909][ T796] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 77.251307][ T796] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 77.251540][ T796] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 77.251856][ T796] br_add_if (net/bridge/br_if.c:697) 
[ 77.252099][ T796] do_set_master (net/core/rtnetlink.c:2948) 
[ 77.252405][ T796] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 77.252714][ T796] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 77.253028][ T796] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 77.253334][ T796] ? __dev_get_by_name (net/core/dev.c:865) 
[ 77.253648][ T796] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 77.253963][ T796] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 77.254277][ T796] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 77.254583][ T796] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 77.254900][ T796] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 77.255217][ T796] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 77.255528][ T796] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 77.255858][ T796] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 77.256162][ T796] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 77.256471][ T796] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 77.256782][ T796] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 77.257100][ T796] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 77.257412][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.257724][ T796] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 77.258039][ T796] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 77.258360][ T796] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 77.258675][ T796] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 77.258989][ T796] ? 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) 
[ 77.259296][ T796] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 77.259612][ T796] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 77.259926][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.260237][ T796] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 77.260553][ T796] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 77.260878][ T796] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 77.261193][ T796] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 77.261500][ T796] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 77.261803][ T796] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 77.262208][ T796] ___sys_sendmsg (net/socket.c:2670) 
[ 77.262514][ T796] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 77.262830][ T796] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 77.263137][ T796] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 77.263438][ T796] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 77.263797][ T796] ? __handle_mm_fault (mm/memory.c:6212) 
[ 77.264114][ T796] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 77.264418][ T796] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 77.264787][ T796] __sys_sendmsg (net/socket.c:2700) 
[ 77.265108][ T796] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 77.265412][ T796] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 77.265723][ T796] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 77.266046][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 77.266371][ T796] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 77.266691][ T796] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   77.267098][  T796] RIP: 0033:0x7f83c07b51e7
[ 77.267415][ T796] 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)
[   77.268504][  T796] RSP: 002b:00007ffd0bdfa748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   77.268969][  T796] RAX: ffffffffffffffda RBX: 00007ffd0bdfae80 RCX: 00007f83c07b51e7
[   77.269430][  T796] RDX: 0000000000000000 RSI: 00007ffd0bdfa7b0 RDI: 0000000000000005
[   77.269923][  T796] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   77.270399][  T796] R10: 00007f83c0843ac0 R11: 0000000000000246 R12: 00007ffd0bdfaeb8
[   77.270870][  T796] R13: 00000000686e1e42 R14: 0000000000499600 R15: 00007ffd0bdfa8a0
| [  101.577685][ T1016] ------------[ cut here ]------------
| [ 101.578222][ T1016] WARNING: CPU: 0 PID: 1016 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) 
| [  101.579261][ T1016] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  101.581131][ T1016] Tainted: [W]=WARN
[  101.581514][ T1016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 101.582212][ T1016] 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) 
[ 101.582748][ T1016] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  101.584638][ T1016] RSP: 0018:ffffc90000cf6ef0 EFLAGS: 00010246
[  101.585295][ T1016] RAX: 0000000000000000 RBX: ffff88800e63a000 RCX: 0000000000000001
[  101.586089][ T1016] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  101.586879][ T1016] RBP: ffffc90000cf6fd8 R08: 0000000000000000 R09: 0000000000000000
[  101.587671][ T1016] R10: ffffc90000cf7008 R11: ffffffff89f8d1e0 R12: 1ffff9200019ede2
[  101.588471][ T1016] R13: 00000000000005dc R14: ffffc90000cf7008 R15: ffff88800e63af48
[  101.589252][ T1016] FS:  00007fc29b6b0800(0000) GS:ffff8880e1399000(0000) knlGS:0000000000000000
[  101.590171][ T1016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.590820][ T1016] CR2: 00000000004e6888 CR3: 0000000005d17006 CR4: 0000000000772ef0
[  101.591612][ T1016] PKRU: 55555554
[  101.592017][ T1016] Call Trace:
[  101.592390][ T1016]  <TASK>
[ 101.592660][ T1016] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.593201][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.593760][ T1016] netif_set_mtu (net/core/dev.c:9652) 
[ 101.594292][ T1016] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.594842][ T1016] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.595249][ T1016] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 101.595759][ T1016] br_add_if (net/bridge/br_if.c:697) 
[ 101.596189][ T1016] do_set_master (net/core/rtnetlink.c:2948) 
[ 101.596719][ T1016] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 101.597263][ T1016] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 101.597925][ T1016] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 101.598437][ T1016] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 101.598970][ T1016] ? __kernel_text_address (kernel/extable.c:79) 
[ 101.599511][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.600056][ T1016] ? __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) 
[ 101.600577][ T1016] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 101.601230][ T1016] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.601743][ T1016] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.602276][ T1016] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 101.602798][ T1016] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 101.603363][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.603909][ T1016] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 101.604425][ T1016] ? __create_object (mm/kmemleak.c:771) 
[ 101.604949][ T1016] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 101.605469][ T1016] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 101.605992][ T1016] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 101.606637][ T1016] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 101.607208][ T1016] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 101.607748][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.608286][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.608836][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.609338][ T1016] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 101.609862][ T1016] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.610386][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.610911][ T1016] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 101.611447][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.611993][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.612516][ T1016] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 101.613046][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.613566][ T1016] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 101.613947][ T1016] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 101.614241][ T1016] ? 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) 
[ 101.614547][ T1016] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 101.614858][ T1016] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 101.615152][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.615452][ T1016] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 101.615752][ T1016] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 101.616058][ T1016] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 101.616363][ T1016] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 101.616662][ T1016] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 101.616973][ T1016] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 101.617354][ T1016] ___sys_sendmsg (net/socket.c:2670) 
[ 101.617646][ T1016] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.617950][ T1016] ? __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) 
[ 101.618319][ T1016] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 101.618618][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.618936][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.619237][ T1016] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.619533][ T1016] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 101.619839][ T1016] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.620143][ T1016] __sys_sendmsg (net/socket.c:2700) 
[ 101.620438][ T1016] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 101.620803][ T1016] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 101.621122][ T1016] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.621425][ T1016] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 101.621724][ T1016] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  101.622100][ T1016] RIP: 0033:0x7fc29b87d1e7
[ 101.622410][ T1016] 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)
[  101.623481][ T1016] RSP: 002b:00007ffd88513cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  101.623951][ T1016] RAX: ffffffffffffffda RBX: 00007ffd88514400 RCX: 00007fc29b87d1e7
[  101.624392][ T1016] RDX: 0000000000000000 RSI: 00007ffd88513d30 RDI: 0000000000000005
[  101.624841][ T1016] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  101.625293][ T1016] R10: 000000003b915910 R11: 0000000000000246 R12: 0000000000000004
[  101.625731][ T1016] R13: 00000000686e1e5a R14: 0000000000499600 R15: 0000000000000000
| [  101.887703][ T1018] ------------[ cut here ]------------
| [ 101.888134][ T1018] WARNING: CPU: 2 PID: 1018 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) 
| [  101.888846][ T1018] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  101.890117][ T1018] Tainted: [W]=WARN
[  101.890403][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 101.890859][ T1018] 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) 
[ 101.891235][ T1018] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  101.892481][ T1018] RSP: 0018:ffffc90000d17080 EFLAGS: 00010246
[  101.892945][ T1018] RAX: 0000000000000000 RBX: ffff88800e63a000 RCX: 0000000000000001
[  101.893477][ T1018] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  101.894027][ T1018] RBP: ffffc90000d17168 R08: 0000000000000000 R09: 0000000000000000
[  101.894559][ T1018] R10: ffffc90000d17198 R11: ffffffff89f8d1e0 R12: 1ffff920001a2e14
[  101.895104][ T1018] R13: 00000000000005dc R14: ffffc90000d17198 R15: ffff88800e63af48
[  101.895632][ T1018] FS:  00007f51232ca800(0000) GS:ffff8880e1499000(0000) knlGS:0000000000000000
[  101.896259][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.896707][ T1018] CR2: 00007f8cfa1d1000 CR3: 0000000005d17002 CR4: 0000000000772ef0
[  101.897255][ T1018] PKRU: 55555554
[  101.897532][ T1018] Call Trace:
[  101.897820][ T1018]  <TASK>
[ 101.898016][ T1018] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.898380][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.898759][ T1018] netif_set_mtu (net/core/dev.c:9652) 
[ 101.899130][ T1018] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.899506][ T1018] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.899784][ T1018] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 101.900166][ T1018] br_add_if (net/bridge/br_if.c:697) 
[ 101.900455][ T1018] do_set_master (net/core/rtnetlink.c:2948) 
[ 101.900821][ T1018] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 101.901185][ T1018] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 101.901548][ T1018] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 101.901917][ T1018] ? __dev_get_by_name (net/core/dev.c:865) 
[ 101.902279][ T1018] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 101.902647][ T1018] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 101.903021][ T1018] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 101.903380][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 101.903769][ T1018] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 101.904158][ T1018] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 101.904523][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.904909][ T1018] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 101.905267][ T1018] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.905641][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.906015][ T1018] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 101.906377][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.906742][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.907117][ T1018] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 101.907487][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.907858][ T1018] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 101.908241][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 101.908597][ T1018] ? 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) 
[ 101.908968][ T1018] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 101.909331][ T1018] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 101.909687][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.910063][ T1018] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 101.910426][ T1018] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 101.910792][ T1018] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 101.911170][ T1018] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 101.911534][ T1018] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 101.911901][ T1018] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 101.912354][ T1018] ___sys_sendmsg (net/socket.c:2670) 
[ 101.912715][ T1018] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 101.913083][ T1018] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 101.913454][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 101.913830][ T1018] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 101.914196][ T1018] ? __handle_mm_fault (mm/memory.c:6212) 
[ 101.914553][ T1018] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 101.914916][ T1018] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 101.915295][ T1018] __sys_sendmsg (net/socket.c:2700) 
[ 101.915653][ T1018] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 101.916024][ T1018] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 101.916390][ T1018] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 101.916747][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.917117][ T1018] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 101.917477][ T1018] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  101.917924][ T1018] RIP: 0033:0x7f51234971e7
[ 101.918301][ T1018] 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)
[  101.919549][ T1018] RSP: 002b:00007ffdac3b3188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  101.920090][ T1018] RAX: ffffffffffffffda RBX: 00007ffdac3b38c0 RCX: 00007f51234971e7
[  101.920619][ T1018] RDX: 0000000000000000 RSI: 00007ffdac3b31f0 RDI: 0000000000000005
[  101.921162][ T1018] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  101.921686][ T1018] R10: 00007f5123525ac0 R11: 0000000000000246 R12: 00007ffdac3b38f8
[  101.922221][ T1018] R13: 00000000686e1e5b R14: 0000000000499600 R15: 00007ffdac3b32e0
| [  103.511297][ T1031] ------------[ cut here ]------------
| [ 103.511632][ T1031] WARNING: CPU: 2 PID: 1031 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) 
| [  103.512247][ T1031] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  103.513501][ T1031] Tainted: [W]=WARN
[  103.513797][ T1031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 103.515122][ T1031] 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) 
[ 103.515506][ T1031] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  103.516734][ T1031] RSP: 0018:ffffc90000dc6ef0 EFLAGS: 00010246
[  103.517195][ T1031] RAX: 0000000000000000 RBX: ffff88800e51a000 RCX: 0000000000000001
[  103.517710][ T1031] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  103.518253][ T1031] RBP: ffffc90000dc6fd8 R08: 0000000000000000 R09: 0000000000000000
[  103.518777][ T1031] R10: ffffc90000dc7008 R11: ffffffff89f8d1e0 R12: 1ffff920001b8de2
[  103.519308][ T1031] R13: 00000000000005dc R14: ffffc90000dc7008 R15: ffff88800e51af48
[  103.519839][ T1031] FS:  00007fdca7fb0800(0000) GS:ffff8880e1499000(0000) knlGS:0000000000000000
[  103.520442][ T1031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.520890][ T1031] CR2: 00000000004e6888 CR3: 0000000005495002 CR4: 0000000000772ef0
[  103.521415][ T1031] PKRU: 55555554
[  103.521685][ T1031] Call Trace:
[  103.521977][ T1031]  <TASK>
[ 103.522156][ T1031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 103.522510][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.522888][ T1031] netif_set_mtu (net/core/dev.c:9652) 
[ 103.523242][ T1031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 103.523621][ T1031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 103.523916][ T1031] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 103.524285][ T1031] br_add_if (net/bridge/br_if.c:697) 
[ 103.524566][ T1031] do_set_master (net/core/rtnetlink.c:2948) 
[ 103.524938][ T1031] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 103.525294][ T1031] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 103.525739][ T1031] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 103.526118][ T1031] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 103.526477][ T1031] ? __kernel_text_address (kernel/extable.c:79) 
[ 103.526850][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.527211][ T1031] ? __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) 
[ 103.527570][ T1031] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 103.528027][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.528386][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.528739][ T1031] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 103.529107][ T1031] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 103.529470][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.529849][ T1031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 103.530205][ T1031] ? __create_object (mm/kmemleak.c:771) 
[ 103.530560][ T1031] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 103.530928][ T1031] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 103.531284][ T1031] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 103.531716][ T1031] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 103.532091][ T1031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 103.532458][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.532826][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.533196][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.533547][ T1031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 103.533937][ T1031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.534297][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.534650][ T1031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 103.535021][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.535384][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.535740][ T1031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 103.536113][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.536467][ T1031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 103.536842][ T1031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 103.537192][ T1031] ? 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) 
[ 103.537548][ T1031] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 103.537933][ T1031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 103.538290][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.538612][ T1031] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 103.538946][ T1031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 103.539262][ T1031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 103.539580][ T1031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 103.539907][ T1031] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 103.540268][ T1031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 103.540713][ T1031] ___sys_sendmsg (net/socket.c:2670) 
[ 103.541075][ T1031] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 103.541431][ T1031] ? __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) 
[ 103.541896][ T1031] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 103.542259][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.542615][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.542990][ T1031] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.543342][ T1031] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 103.543712][ T1031] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.544088][ T1031] __sys_sendmsg (net/socket.c:2700) 
[ 103.544445][ T1031] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 103.544892][ T1031] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 103.545260][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.545622][ T1031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 103.546011][ T1031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  103.546452][ T1031] RIP: 0033:0x7fdca817d1e7
[ 103.546826][ T1031] 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)
[  103.548042][ T1031] RSP: 002b:00007fff213efdc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  103.548576][ T1031] RAX: ffffffffffffffda RBX: 00007fff213f0500 RCX: 00007fdca817d1e7
[  103.549113][ T1031] RDX: 0000000000000000 RSI: 00007fff213efe30 RDI: 0000000000000005
[  103.549631][ T1031] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  103.550173][ T1031] R10: 0000000035034910 R11: 0000000000000246 R12: 0000000000000004
[  103.550696][ T1031] R13: 00000000686e1e5c R14: 0000000000499600 R15: 0000000000000000
| [  103.799224][ T1033] ------------[ cut here ]------------
| [ 103.799528][ T1033] WARNING: CPU: 0 PID: 1033 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) 
| [  103.800144][ T1033] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  103.802430][ T1033] Tainted: [W]=WARN
[  103.802661][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 103.803052][ T1033] 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) 
[ 103.803372][ T1033] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  103.804468][ T1033] RSP: 0018:ffffc90000dd7080 EFLAGS: 00010246
[  103.804871][ T1033] RAX: 0000000000000000 RBX: ffff88800e51a000 RCX: 0000000000000001
[  103.805336][ T1033] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  103.805793][ T1033] RBP: ffffc90000dd7168 R08: 0000000000000000 R09: 0000000000000000
[  103.806270][ T1033] R10: ffffc90000dd7198 R11: ffffffff8a8ceab8 R12: 1ffff920001bae14
[  103.806724][ T1033] R13: 00000000000005dc R14: ffffc90000dd7198 R15: ffff88800e51af48
[  103.807191][ T1033] FS:  00007faff6493800(0000) GS:ffff8880e1399000(0000) knlGS:0000000000000000
[  103.807730][ T1033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.808125][ T1033] CR2: 000000000043d940 CR3: 0000000005495004 CR4: 0000000000772ef0
[  103.808588][ T1033] PKRU: 55555554
[  103.808829][ T1033] Call Trace:
[  103.809061][ T1033]  <TASK>
[ 103.809222][ T1033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 103.809546][ T1033] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 103.809877][ T1033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 103.810265][ T1033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 103.810599][ T1033] netif_set_mtu (net/core/dev.c:9652) 
[ 103.810932][ T1033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 103.811252][ T1033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 103.811653][ T1033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 103.811901][ T1033] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 103.812236][ T1033] br_add_if (net/bridge/br_if.c:697) 
[ 103.812494][ T1033] do_set_master (net/core/rtnetlink.c:2948) 
[ 103.812804][ T1033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 103.813144][ T1033] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 103.813454][ T1033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 103.813769][ T1033] ? __dev_get_by_name (net/core/dev.c:865) 
[ 103.814105][ T1033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 103.814413][ T1033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 103.814724][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 103.815036][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 103.815379][ T1033] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 103.815710][ T1033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 103.816046][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.816383][ T1033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 103.816712][ T1033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.817054][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.817381][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 103.817704][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.818043][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.818375][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 103.818697][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.819033][ T1033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 103.819374][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 103.819694][ T1033] ? 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) 
[ 103.820035][ T1033] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 103.820356][ T1033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 103.820677][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.821016][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 103.821341][ T1033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 103.821674][ T1033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 103.822013][ T1033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 103.822347][ T1033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 103.822669][ T1033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 103.823092][ T1033] ___sys_sendmsg (net/socket.c:2670) 
[ 103.823420][ T1033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 103.823753][ T1033] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 103.824099][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 103.824421][ T1033] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 103.824748][ T1033] ? __handle_mm_fault (mm/memory.c:6212) 
[ 103.825076][ T1033] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 103.825396][ T1033] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 103.825741][ T1033] __sys_sendmsg (net/socket.c:2700) 
[ 103.826084][ T1033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 103.826407][ T1033] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 103.826735][ T1033] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 103.827069][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.827397][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 103.827723][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  103.828133][ T1033] RIP: 0033:0x7faff66601e7
[ 103.828474][ T1033] 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)
[  103.829646][ T1033] RSP: 002b:00007ffc17834298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  103.830145][ T1033] RAX: ffffffffffffffda RBX: 00007ffc178349d0 RCX: 00007faff66601e7
[  103.830635][ T1033] RDX: 0000000000000000 RSI: 00007ffc17834300 RDI: 0000000000000005
[  103.831128][ T1033] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  103.831612][ T1033] R10: 00007faff66eeac0 R11: 0000000000000246 R12: 00007ffc17834a08
[  103.832103][ T1033] R13: 00000000686e1e5d R14: 0000000000499600 R15: 00007ffc178343f0
| [  125.419682][ T1158] ------------[ cut here ]------------
| [ 125.420029][ T1158] WARNING: CPU: 3 PID: 1158 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) 
| [  125.420645][ T1158] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  125.421778][ T1158] Tainted: [W]=WARN
[  125.422025][ T1158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 125.422425][ T1158] 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) 
[ 125.422744][ T1158] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  125.423874][ T1158] RSP: 0018:ffffc900011c6ef0 EFLAGS: 00010246
[  125.424281][ T1158] RAX: 0000000000000000 RBX: ffff88800ab92000 RCX: 0000000000000001
[  125.424754][ T1158] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  125.425232][ T1158] RBP: ffffc900011c6fd8 R08: 0000000000000000 R09: 0000000000000000
[  125.425700][ T1158] R10: ffffc900011c7008 R11: ffffffff89f8d1e0 R12: 1ffff92000238de2
[  125.426173][ T1158] R13: 00000000000005dc R14: ffffc900011c7008 R15: ffff88800ab92f48
[  125.426642][ T1158] FS:  00007fb48578e800(0000) GS:ffff8880e1519000(0000) knlGS:0000000000000000
[  125.427200][ T1158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  125.427624][ T1158] CR2: 00000000004e6888 CR3: 00000000052b6002 CR4: 0000000000772ef0
[  125.428109][ T1158] PKRU: 55555554
[  125.428346][ T1158] Call Trace:
[  125.428579][ T1158]  <TASK>
[ 125.428741][ T1158] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 125.429063][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.429392][ T1158] netif_set_mtu (net/core/dev.c:9652) 
[ 125.429713][ T1158] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 125.430062][ T1158] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 125.430300][ T1158] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 125.430618][ T1158] br_add_if (net/bridge/br_if.c:697) 
[ 125.430874][ T1158] do_set_master (net/core/rtnetlink.c:2948) 
[ 125.431190][ T1158] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 125.431505][ T1158] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 125.431906][ T1158] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 125.432225][ T1158] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 125.432539][ T1158] ? __kernel_text_address (kernel/extable.c:79) 
[ 125.432864][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.433182][ T1158] ? __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) 
[ 125.433495][ T1158] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 125.433911][ T1158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.434226][ T1158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.434533][ T1158] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 125.434855][ T1158] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 125.435170][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.435480][ T1158] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 125.435786][ T1158] ? __create_object (mm/kmemleak.c:771) 
[ 125.436109][ T1158] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 125.436419][ T1158] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 125.436734][ T1158] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 125.437139][ T1158] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 125.437459][ T1158] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 125.437780][ T1158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.438097][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.438418][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.438729][ T1158] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 125.439048][ T1158] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.439362][ T1158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.439680][ T1158] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 125.439999][ T1158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.440316][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.440632][ T1158] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 125.440955][ T1158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.441267][ T1158] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 125.441592][ T1158] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 125.441916][ T1158] ? 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) 
[ 125.442228][ T1158] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 125.442541][ T1158] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 125.442858][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.443174][ T1158] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 125.443488][ T1158] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 125.443824][ T1158] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 125.444151][ T1158] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 125.444466][ T1158] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 125.444785][ T1158] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 125.445201][ T1158] ___sys_sendmsg (net/socket.c:2670) 
[ 125.445513][ T1158] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 125.445834][ T1158] ? __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) 
[ 125.446225][ T1158] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 125.446545][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.446868][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.447186][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.447498][ T1158] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 125.447817][ T1158] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.448136][ T1158] __sys_sendmsg (net/socket.c:2700) 
[ 125.448443][ T1158] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 125.448839][ T1158] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 125.449169][ T1158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.449483][ T1158] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 125.449798][ T1158] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  125.450200][ T1158] RIP: 0033:0x7fb48595b1e7
[ 125.450527][ T1158] 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)
[  125.451652][ T1158] RSP: 002b:00007fffd05eabc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  125.452130][ T1158] RAX: ffffffffffffffda RBX: 00007fffd05eb300 RCX: 00007fb48595b1e7
[  125.452599][ T1158] RDX: 0000000000000000 RSI: 00007fffd05eac30 RDI: 0000000000000005
[  125.453071][ T1158] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  125.453543][ T1158] R10: 000000001071f910 R11: 0000000000000246 R12: 0000000000000004
[  125.454035][ T1158] R13: 00000000686e1e72 R14: 0000000000499600 R15: 0000000000000000
| [  125.796429][ T1160] ------------[ cut here ]------------
| [ 125.796759][ T1160] WARNING: CPU: 1 PID: 1160 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) 
| [  125.797552][ T1160] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  125.799000][ T1160] Tainted: [W]=WARN
[  125.799245][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 125.799645][ T1160] 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) 
[ 125.800013][ T1160] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  125.801171][ T1160] RSP: 0018:ffffc900011c7080 EFLAGS: 00010246
[  125.801580][ T1160] RAX: 0000000000000000 RBX: ffff88800ab92000 RCX: 0000000000000001
[  125.802072][ T1160] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  125.802553][ T1160] RBP: ffffc900011c7168 R08: 0000000000000000 R09: 0000000000000000
[  125.803052][ T1160] R10: ffffc900011c7198 R11: ffffffff89f8d1e0 R12: 1ffff92000238e14
[  125.803539][ T1160] R13: 00000000000005dc R14: ffffc900011c7198 R15: ffff88800ab92f48
[  125.804038][ T1160] FS:  00007f8e277b5800(0000) GS:ffff8880e1419000(0000) knlGS:0000000000000000
[  125.804595][ T1160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  125.805012][ T1160] CR2: 000000000043d940 CR3: 000000000b60c006 CR4: 0000000000772ef0
[  125.805494][ T1160] PKRU: 55555554
[  125.805735][ T1160] Call Trace:
[  125.805984][ T1160]  <TASK>
[ 125.806151][ T1160] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 125.806479][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.806845][ T1160] netif_set_mtu (net/core/dev.c:9652) 
[ 125.807180][ T1160] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 125.807524][ T1160] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 125.807767][ T1160] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 125.808108][ T1160] br_add_if (net/bridge/br_if.c:697) 
[ 125.808362][ T1160] do_set_master (net/core/rtnetlink.c:2948) 
[ 125.808689][ T1160] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 125.809026][ T1160] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 125.809351][ T1160] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 125.809672][ T1160] ? __dev_get_by_name (net/core/dev.c:865) 
[ 125.810005][ T1160] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 125.810324][ T1160] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 125.810649][ T1160] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 125.810977][ T1160] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 125.811302][ T1160] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 125.811629][ T1160] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 125.811982][ T1160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.812337][ T1160] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 125.812653][ T1160] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.812998][ T1160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.813320][ T1160] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 125.813655][ T1160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.814004][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.814332][ T1160] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 125.814655][ T1160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.814996][ T1160] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 125.815329][ T1160] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 125.815652][ T1160] ? 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) 
[ 125.815988][ T1160] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 125.816312][ T1160] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 125.816632][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.816970][ T1160] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 125.817307][ T1160] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 125.817625][ T1160] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 125.817967][ T1160] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 125.818294][ T1160] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 125.818612][ T1160] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 125.819037][ T1160] ___sys_sendmsg (net/socket.c:2670) 
[ 125.819363][ T1160] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 125.819691][ T1160] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 125.820028][ T1160] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 125.820344][ T1160] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 125.820666][ T1160] ? __handle_mm_fault (mm/memory.c:6212) 
[ 125.820996][ T1160] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 125.821317][ T1160] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 125.821661][ T1160] __sys_sendmsg (net/socket.c:2700) 
[ 125.822051][ T1160] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 125.822372][ T1160] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 125.822697][ T1160] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 125.823031][ T1160] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.823356][ T1160] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 125.823684][ T1160] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  125.824105][ T1160] RIP: 0033:0x7f8e279821e7
[ 125.824439][ T1160] 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)
[  125.825594][ T1160] RSP: 002b:00007ffc8fc649c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  125.826088][ T1160] RAX: ffffffffffffffda RBX: 00007ffc8fc65100 RCX: 00007f8e279821e7
[  125.826574][ T1160] RDX: 0000000000000000 RSI: 00007ffc8fc64a30 RDI: 0000000000000005
[  125.827066][ T1160] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  125.827545][ T1160] R10: 00007f8e27a10ac0 R11: 0000000000000246 R12: 00007ffc8fc65138
[  125.828031][ T1160] R13: 00000000686e1e73 R14: 0000000000499600 R15: 00007ffc8fc64b20
| [  127.444650][ T1173] ------------[ cut here ]------------
| [ 127.445000][ T1173] WARNING: CPU: 0 PID: 1173 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) 
| [  127.445628][ T1173] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  127.446786][ T1173] Tainted: [W]=WARN
[  127.447032][ T1173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 127.447429][ T1173] 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) 
[ 127.447751][ T1173] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  127.448868][ T1173] RSP: 0018:ffffc90001236ef0 EFLAGS: 00010246
[  127.449266][ T1173] RAX: 0000000000000000 RBX: ffff88800cc92000 RCX: 0000000000000001
[  127.449738][ T1173] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  127.450246][ T1173] RBP: ffffc90001236fd8 R08: 0000000000000000 R09: 0000000000000000
[  127.450718][ T1173] R10: ffffc90001237008 R11: ffffffff89f8d1e0 R12: 1ffff92000246de2
[  127.451195][ T1173] R13: 00000000000005dc R14: ffffc90001237008 R15: ffff88800cc92f48
[  127.451676][ T1173] FS:  00007fc564cc3800(0000) GS:ffff8880e1399000(0000) knlGS:0000000000000000
[  127.452228][ T1173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.452626][ T1173] CR2: 00000000004e6888 CR3: 000000000cb26006 CR4: 0000000000772ef0
[  127.453136][ T1173] PKRU: 55555554
[  127.453374][ T1173] Call Trace:
[  127.453614][ T1173]  <TASK>
[ 127.453792][ T1173] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 127.454151][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.454481][ T1173] netif_set_mtu (net/core/dev.c:9652) 
[ 127.454795][ T1173] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 127.455133][ T1173] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 127.455369][ T1173] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 127.455687][ T1173] br_add_if (net/bridge/br_if.c:697) 
[ 127.455953][ T1173] do_set_master (net/core/rtnetlink.c:2948) 
[ 127.456273][ T1173] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 127.456592][ T1173] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 127.457002][ T1173] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 127.457316][ T1173] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 127.457625][ T1173] ? __kernel_text_address (kernel/extable.c:79) 
[ 127.457978][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.458325][ T1173] ? __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) 
[ 127.458645][ T1173] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 127.459046][ T1173] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.459357][ T1173] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.459667][ T1173] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 127.459983][ T1173] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 127.460305][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.460613][ T1173] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 127.460935][ T1173] ? __create_object (mm/kmemleak.c:771) 
[ 127.461247][ T1173] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 127.461560][ T1173] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 127.461904][ T1173] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 127.462292][ T1173] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 127.462608][ T1173] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 127.462932][ T1173] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.463253][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.463567][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.463902][ T1173] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 127.464208][ T1173] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.464523][ T1173] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.464841][ T1173] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 127.465150][ T1173] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.465463][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.465784][ T1173] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 127.466133][ T1173] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.466447][ T1173] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 127.466772][ T1173] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 127.467092][ T1173] ? 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) 
[ 127.467403][ T1173] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 127.467718][ T1173] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 127.468046][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.468362][ T1173] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 127.468674][ T1173] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 127.468991][ T1173] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 127.469310][ T1173] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 127.469622][ T1173] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 127.469970][ T1173] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 127.470379][ T1173] ___sys_sendmsg (net/socket.c:2670) 
[ 127.470686][ T1173] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 127.471004][ T1173] ? __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) 
[ 127.471388][ T1173] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 127.471699][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.472018][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.472335][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.472652][ T1173] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 127.472969][ T1173] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.473289][ T1173] __sys_sendmsg (net/socket.c:2700) 
[ 127.473597][ T1173] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 127.474032][ T1173] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 127.474358][ T1173] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.474672][ T1173] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 127.475002][ T1173] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  127.475398][ T1173] RIP: 0033:0x7fc564e901e7
[ 127.475725][ T1173] 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)
[  127.476841][ T1173] RSP: 002b:00007ffd0e602468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  127.477315][ T1173] RAX: ffffffffffffffda RBX: 00007ffd0e602ba0 RCX: 00007fc564e901e7
[  127.477780][ T1173] RDX: 0000000000000000 RSI: 00007ffd0e6024d0 RDI: 0000000000000005
[  127.478283][ T1173] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  127.478746][ T1173] R10: 0000000027b3c910 R11: 0000000000000246 R12: 0000000000000004
[  127.479230][ T1173] R13: 00000000686e1e74 R14: 0000000000499600 R15: 0000000000000000
| [  127.756618][ T1175] ------------[ cut here ]------------
| [ 127.758052][ T1175] WARNING: CPU: 0 PID: 1175 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) 
| [  127.758663][ T1175] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  127.759844][ T1175] Tainted: [W]=WARN
[  127.760077][ T1175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 127.760459][ T1175] 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) 
[ 127.760774][ T1175] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  127.761892][ T1175] RSP: 0018:ffffc90001257080 EFLAGS: 00010246
[  127.762281][ T1175] RAX: 0000000000000000 RBX: ffff88800cc92000 RCX: 0000000000000001
[  127.762742][ T1175] RDX: 0000000000000000 RSI: ffffffff89510759 RDI: ffffffff88c58280
[  127.763284][ T1175] RBP: ffffc90001257168 R08: 0000000000000000 R09: 0000000000000000
[  127.763761][ T1175] R10: ffffc90001257198 R11: ffffffff89f8d1e0 R12: 1ffff9200024ae14
[  127.764235][ T1175] R13: 00000000000005dc R14: ffffc90001257198 R15: ffff88800cc92f48
[  127.764696][ T1175] FS:  00007f61d5395800(0000) GS:ffff8880e1399000(0000) knlGS:0000000000000000
[  127.765252][ T1175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.765640][ T1175] CR2: 000000000043d940 CR3: 000000000cb26002 CR4: 0000000000772ef0
[  127.766110][ T1175] PKRU: 55555554
[  127.766342][ T1175] Call Trace:
[  127.766572][ T1175]  <TASK>
[ 127.766731][ T1175] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 127.767050][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.767378][ T1175] netif_set_mtu (net/core/dev.c:9652) 
[ 127.767685][ T1175] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 127.768013][ T1175] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 127.768248][ T1175] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 127.768560][ T1175] br_add_if (net/bridge/br_if.c:697) 
[ 127.768801][ T1175] do_set_master (net/core/rtnetlink.c:2948) 
[ 127.769118][ T1175] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 127.769428][ T1175] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 127.769743][ T1175] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 127.770058][ T1175] ? __dev_get_by_name (net/core/dev.c:865) 
[ 127.770363][ T1175] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 127.770670][ T1175] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 127.770992][ T1175] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 127.771295][ T1175] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 127.771606][ T1175] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 127.771936][ T1175] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 127.772247][ T1175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.772564][ T1175] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 127.772875][ T1175] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.773183][ T1175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.773488][ T1175] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 127.773803][ T1175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.774128][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.774439][ T1175] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 127.774750][ T1175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.775068][ T1175] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 127.775385][ T1175] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 127.775688][ T1175] ? 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) 
[ 127.776007][ T1175] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 127.776317][ T1175] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 127.776628][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.776953][ T1175] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 127.777265][ T1175] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 127.777570][ T1175] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 127.777895][ T1175] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 127.778206][ T1175] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 127.778509][ T1175] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 127.778919][ T1175] ___sys_sendmsg (net/socket.c:2670) 
[ 127.779229][ T1175] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 127.779533][ T1175] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 127.779849][ T1175] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 127.780151][ T1175] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 127.780462][ T1175] ? __handle_mm_fault (mm/memory.c:6212) 
[ 127.780769][ T1175] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 127.781088][ T1175] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 127.781414][ T1175] __sys_sendmsg (net/socket.c:2700) 
[ 127.781719][ T1175] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 127.782036][ T1175] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 127.782356][ T1175] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 127.782663][ T1175] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.782984][ T1175] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 127.783298][ T1175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  127.783684][ T1175] RIP: 0033:0x7f61d55621e7
[ 127.784013][ T1175] 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)
[  127.785110][ T1175] RSP: 002b:00007ffe36b260c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  127.785577][ T1175] RAX: ffffffffffffffda RBX: 00007ffe36b26800 RCX: 00007f61d55621e7
[  127.786044][ T1175] RDX: 0000000000000000 RSI: 00007ffe36b26130 RDI: 0000000000000005
[  127.786503][ T1175] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  127.786970][ T1175] R10: 00007f61d55f0ac0 R11: 0000000000000246 R12: 00007ffe36b26838


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if