======================================
| [   25.768703][  T310] br0: port 1(swp1) entered forwarding state
| [   25.772270][  T310] ------------[ cut here ]------------
| [ 25.772719][ T310] WARNING: CPU: 1 PID: 310 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.773749][  T310] Modules linked in:
[   25.775089][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.775786][ T310] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.776366][ T310] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.778350][  T310] RSP: 0018:ffffc90000d46ef0 EFLAGS: 00010246
[   25.779022][  T310] RAX: 0000000000000000 RBX: ffff88800be72000 RCX: 0000000000000001
[   25.779839][  T310] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   25.780674][  T310] RBP: ffffc90000d46fd8 R08: 0000000000000000 R09: 0000000000000000
[   25.781766][  T310] R10: ffffc90000d47008 R11: ffffffff8978d1e0 R12: 1ffff920001a8de2
[   25.782388][  T310] R13: 00000000000005dc R14: ffffc90000d47008 R15: ffff88800be72f48
[   25.783063][  T310] FS:  00007fc341b8e800(0000) GS:ffff8880e1c19000(0000) knlGS:0000000000000000
[   25.783847][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.784389][  T310] CR2: 00000000004e6888 CR3: 000000000bfdc004 CR4: 0000000000772ef0
[   25.785223][  T310] PKRU: 55555554
[   25.785636][  T310] Call Trace:
[   25.786049][  T310]  <TASK>
[ 25.786352][ T310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.786870][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.787342][ T310] netif_set_mtu (net/core/dev.c:9652) 
[ 25.787727][ T310] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.788247][ T310] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.788656][ T310] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 25.789084][ T310] br_add_if (net/bridge/br_if.c:697) 
[ 25.789502][ T310] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.790047][ T310] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.790621][ T310] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.791347][ T310] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.791783][ T310] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.792288][ T310] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.792786][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.793206][ T310] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.793708][ T310] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.794392][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.794939][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.795358][ T310] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.795861][ T310] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.796437][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.796979][ T310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.797460][ T310] ? __create_object (mm/kmemleak.c:771) 
[ 25.797914][ T310] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.798469][ T310] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.798892][ T310] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.799517][ T310] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.800069][ T310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.800644][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.801207][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.801752][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.802294][ T310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.802817][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.803362][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.803892][ T310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.804444][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.804835][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.805243][ T310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.805751][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.806206][ T310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.806706][ T310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.807251][ T310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.807788][ T310] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.808371][ T310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.808901][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.809458][ T310] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.810006][ T310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.810554][ T310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.811120][ T310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.811669][ T310] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.812226][ T310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.812904][ T310] ___sys_sendmsg (net/socket.c:2670) 
[ 25.813447][ T310] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.813961][ T310] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.814634][ T310] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.815182][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.815716][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.816274][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.816807][ T310] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.817345][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.817868][ T310] __sys_sendmsg (net/socket.c:2700) 
[ 25.818295][ T310] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.818941][ T310] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.819512][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.820070][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.820605][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.821156][  T310] RIP: 0033:0x7fc341d5b1e7
[ 25.821725][ T310] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.823629][  T310] RSP: 002b:00007ffe7dca15b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.824448][  T310] RAX: ffffffffffffffda RBX: 00007ffe7dca1cf0 RCX: 00007fc341d5b1e7
[   25.825253][  T310] RDX: 0000000000000000 RSI: 00007ffe7dca1620 RDI: 0000000000000005
[   25.826043][  T310] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.826854][  T310] R10: 0000000004bdc910 R11: 0000000000000246 R12: 0000000000000004
[   25.827678][  T310] R13: 00000000686e7df0 R14: 0000000000499600 R15: 0000000000000000
| [   26.410718][  T312] ------------[ cut here ]------------
| [ 26.411138][ T312] WARNING: CPU: 2 PID: 312 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.411982][  T312] Modules linked in: vxlan
| [   26.413135][  T312] Tainted: [W]=WARN
[   26.413438][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.413862][ T312] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.414240][ T312] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.415775][  T312] RSP: 0018:ffffc90000d67080 EFLAGS: 00010246
[   26.416402][  T312] RAX: 0000000000000000 RBX: ffff88800be72000 RCX: 0000000000000001
[   26.417085][  T312] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   26.417747][  T312] RBP: ffffc90000d67168 R08: 0000000000000000 R09: 0000000000000000
[   26.418275][  T312] R10: ffffc90000d67198 R11: ffffffff8978d1e0 R12: 1ffff920001ace14
[   26.418786][  T312] R13: 00000000000005dc R14: ffffc90000d67198 R15: ffff88800be72f48
[   26.419297][  T312] FS:  00007fdfad28c800(0000) GS:ffff8880e1c99000(0000) knlGS:0000000000000000
[   26.419899][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.420340][  T312] CR2: 000055964c292dec CR3: 000000000c0f1004 CR4: 0000000000772ef0
[   26.420887][  T312] PKRU: 55555554
[   26.421151][  T312] Call Trace:
[   26.421423][  T312]  <TASK>
[ 26.421609][ T312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.421960][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.422343][ T312] netif_set_mtu (net/core/dev.c:9652) 
[ 26.422679][ T312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.423029][ T312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.423316][ T312] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 26.423670][ T312] br_add_if (net/bridge/br_if.c:697) 
[ 26.423943][ T312] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 26.424310][ T312] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 26.424662][ T312] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 26.425017][ T312] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.425379][ T312] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.425729][ T312] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.426070][ T312] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.426444][ T312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.426790][ T312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.427143][ T312] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.427522][ T312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.427873][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.428238][ T312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.428577][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.428915][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.429264][ T312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.429599][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.429937][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.430301][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.430677][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.431016][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.431382][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.431714][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.432048][ T312] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.432392][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.432733][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.433079][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.433436][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.433772][ T312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.434122][ T312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.434483][ T312] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.434817][ T312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.435267][ T312] ___sys_sendmsg (net/socket.c:2670) 
[ 26.435608][ T312] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.435944][ T312] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 26.436296][ T312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.436633][ T312] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 26.436974][ T312] ? __handle_mm_fault (mm/memory.c:6212) 
[ 26.437324][ T312] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 26.437671][ T312] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 26.438035][ T312] __sys_sendmsg (net/socket.c:2700) 
[ 26.438388][ T312] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.438727][ T312] ? 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) 
[ 26.439076][ T312] ? 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) 
[ 26.439426][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.439759][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.440107][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.440524][  T312] RIP: 0033:0x7fdfad4591e7
[ 26.440910][ T312] Code: Unable to access opcode bytes at 0x7fdfad4591bd.

Code starting with the faulting instruction
===========================================
[   26.441378][  T312] RSP: 002b:00007ffd01880ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.441877][  T312] RAX: ffffffffffffffda RBX: 00007ffd01881630 RCX: 00007fdfad4591e7
[   26.442390][  T312] RDX: 0000000000000000 RSI: 00007ffd01880f60 RDI: 0000000000000005
[   26.442886][  T312] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   26.443406][  T312] R10: 00007fdfad4e7ac0 R11: 0000000000000246 R12: 00007ffd01881668
[   26.443926][  T312] R13: 00000000686e7df1 R14: 0000000000499600 R15: 00007ffd01881050
| [   28.417852][  T326] ------------[ cut here ]------------
| [ 28.418261][ T326] WARNING: CPU: 2 PID: 326 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) 
| [   28.418896][  T326] Modules linked in: vxlan
| [   28.420095][  T326] Tainted: [W]=WARN
[   28.420363][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.420792][ T326] 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) 
[ 28.421132][ T326] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   28.422274][  T326] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   28.422690][  T326] RAX: 0000000000000000 RBX: ffff88800ee9a000 RCX: 0000000000000001
[   28.423310][  T326] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   28.423797][  T326] RBP: ffffc90000586fd8 R08: 0000000000000000 R09: 0000000000000000
[   28.424295][  T326] R10: ffffc90000587008 R11: ffffffff8978d1e0 R12: 1ffff920000b0de2
[   28.424786][  T326] R13: 00000000000005dc R14: ffffc90000587008 R15: ffff88800ee9af48
[   28.425285][  T326] FS:  00007f3fa56df800(0000) GS:ffff8880e1c99000(0000) knlGS:0000000000000000
[   28.425841][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.426257][  T326] CR2: 00000000004e6888 CR3: 000000000f0ff001 CR4: 0000000000772ef0
[   28.426746][  T326] PKRU: 55555554
[   28.426997][  T326] Call Trace:
[   28.427257][  T326]  <TASK>
[ 28.427439][ T326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.427764][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.428102][ T326] netif_set_mtu (net/core/dev.c:9652) 
[ 28.428443][ T326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.428792][ T326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.429046][ T326] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 28.429407][ T326] br_add_if (net/bridge/br_if.c:697) 
[ 28.429670][ T326] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 28.429998][ T326] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.430343][ T326] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.430781][ T326] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.431100][ T326] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.431434][ T326] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.431772][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.432097][ T326] ? __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) 
[ 28.432439][ T326] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.432838][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.433178][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.433503][ T326] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.433827][ T326] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.434183][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.434512][ T326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.434832][ T326] ? __create_object (mm/kmemleak.c:771) 
[ 28.435158][ T326] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.435492][ T326] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.435822][ T326] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.436228][ T326] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.436564][ T326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.436900][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.437238][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.437570][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.437904][ T326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.438241][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.438570][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.438894][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.439234][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.439573][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.439898][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.440238][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.440574][ T326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.440936][ T326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.441304][ T326] ? 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) 
[ 28.441641][ T326] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 28.441977][ T326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.442322][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.442658][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.442989][ T326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.443333][ T326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.443668][ T326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.444001][ T326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.444356][ T326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.444788][ T326] ___sys_sendmsg (net/socket.c:2670) 
[ 28.445115][ T326] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.445454][ T326] ? __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) 
[ 28.445860][ T326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.446205][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.446535][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.446873][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.447221][ T326] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.447551][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.447898][ T326] __sys_sendmsg (net/socket.c:2700) 
[ 28.448242][ T326] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.448659][ T326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.449004][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.449369][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.449704][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.450111][  T326] RIP: 0033:0x7f3fa58ac1e7
[ 28.450505][ T326] 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)
[   28.451761][  T326] RSP: 002b:00007ffc66581b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.452291][  T326] RAX: ffffffffffffffda RBX: 00007ffc66582290 RCX: 00007f3fa58ac1e7
[   28.452787][  T326] RDX: 0000000000000000 RSI: 00007ffc66581bc0 RDI: 0000000000000005
[   28.453296][  T326] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.453789][  T326] R10: 00000000346eb910 R11: 0000000000000246 R12: 0000000000000004
[   28.454301][  T326] R13: 00000000686e7df3 R14: 0000000000499600 R15: 0000000000000000
| [   28.841978][  T328] ------------[ cut here ]------------
| [ 28.842743][ T328] WARNING: CPU: 3 PID: 328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.843553][  T328] Modules linked in: vxlan
| [   28.844762][  T328] Tainted: [W]=WARN
[   28.845061][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.845561][ T328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.845993][ T328] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   28.847481][  T328] RSP: 0018:ffffc900005a7080 EFLAGS: 00010246
[   28.848060][  T328] RAX: 0000000000000000 RBX: ffff88800ee9a000 RCX: 0000000000000001
[   28.848774][  T328] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   28.849547][  T328] RBP: ffffc900005a7168 R08: 0000000000000000 R09: 0000000000000000
[   28.850195][  T328] R10: ffffc900005a7198 R11: ffffffff8978d1e0 R12: 1ffff920000b4e14
[   28.850852][  T328] R13: 00000000000005dc R14: ffffc900005a7198 R15: ffff88800ee9af48
[   28.851458][  T328] FS:  00007fc7b7e1b800(0000) GS:ffff8880e1d19000(0000) knlGS:0000000000000000
[   28.852159][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.852673][  T328] CR2: 000000000043d940 CR3: 000000000f07c004 CR4: 0000000000772ef0
[   28.853280][  T328] PKRU: 55555554
[   28.853572][  T328] Call Trace:
[   28.853875][  T328]  <TASK>
[ 28.854089][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.854518][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.854936][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 28.855355][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.855790][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.856091][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 28.856516][ T328] br_add_if (net/bridge/br_if.c:697) 
[ 28.856829][ T328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 28.857242][ T328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 28.857646][ T328] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 28.858038][ T328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 28.858466][ T328] ? __dev_get_by_name (net/core/dev.c:865) 
[ 28.858875][ T328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.859288][ T328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.859699][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.860089][ T328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 28.860511][ T328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 28.860910][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.861256][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.861594][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.861915][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.862257][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.862590][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.862914][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.863244][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.863574][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.863899][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.864247][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.864582][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.864899][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.865240][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 28.865574][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.865897][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.866231][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.866547][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.866862][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.867211][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.867531][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.867834][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.868253][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 28.868565][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.868892][ T328] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 28.869227][ T328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 28.869534][ T328] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 28.869850][ T328] ? __handle_mm_fault (mm/memory.c:6212) 
[ 28.870163][ T328] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 28.870486][ T328] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 28.870855][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 28.871192][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.871508][ T328] ? 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) 
[ 28.871846][ T328] ? 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) 
[ 28.872188][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.872510][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.872833][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.873270][  T328] RIP: 0033:0x7fc7b7fe81e7
[ 28.873603][ T328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.874737][  T328] RSP: 002b:00007fff2bc6e108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.875216][  T328] RAX: ffffffffffffffda RBX: 00007fff2bc6e840 RCX: 00007fc7b7fe81e7
[   28.875698][  T328] RDX: 0000000000000000 RSI: 00007fff2bc6e170 RDI: 0000000000000005
[   28.876192][  T328] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   28.876659][  T328] R10: 00007fc7b8076ac0 R11: 0000000000000246 R12: 00007fff2bc6e878
[   28.877126][  T328] R13: 00000000686e7df3 R14: 0000000000499600 R15: 00007fff2bc6e260
| [   52.361110][  T519] ------------[ cut here ]------------
| [ 52.361422][ T519] WARNING: CPU: 0 PID: 519 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) 
| [   52.362016][  T519] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   52.363080][  T519] Tainted: [W]=WARN
[   52.363332][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.363700][ T519] 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) 
[ 52.364007][ T519] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   52.365073][  T519] RSP: 0018:ffffc90000706ef0 EFLAGS: 00010246
[   52.365460][  T519] RAX: 0000000000000000 RBX: ffff88800aeaa000 RCX: 0000000000000001
[   52.365903][  T519] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   52.366355][  T519] RBP: ffffc90000706fd8 R08: 0000000000000000 R09: 0000000000000000
[   52.366796][  T519] R10: ffffc90000707008 R11: ffffffff8978d1e0 R12: 1ffff920000e0de2
[   52.367248][  T519] R13: 00000000000005dc R14: ffffc90000707008 R15: ffff88800aeaaf48
[   52.367689][  T519] FS:  00007f162f8d2800(0000) GS:ffff8880e1b99000(0000) knlGS:0000000000000000
[   52.368212][  T519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.368584][  T519] CR2: 00000000004e6888 CR3: 0000000010da0003 CR4: 0000000000772ef0
[   52.369033][  T519] PKRU: 55555554
[   52.369262][  T519] Call Trace:
[   52.369483][  T519]  <TASK>
[ 52.369634][ T519] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.369932][ T519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.370256][ T519] netif_set_mtu (net/core/dev.c:9652) 
[ 52.370557][ T519] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.370871][ T519] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.371095][ T519] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 52.371411][ T519] br_add_if (net/bridge/br_if.c:697) 
[ 52.371645][ T519] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 52.371945][ T519] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.372252][ T519] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.372633][ T519] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.372926][ T519] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.373223][ T519] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.373526][ T519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.373822][ T519] ? __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) 
[ 52.374116][ T519] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.374491][ T519] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.374784][ T519] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.375073][ T519] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.375378][ T519] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.375675][ T519] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.375967][ T519] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.376266][ T519] ? __create_object (mm/kmemleak.c:771) 
[ 52.376562][ T519] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.376860][ T519] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.377161][ T519] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.377536][ T519] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.377837][ T519] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.378134][ T519] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.378432][ T519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.378732][ T519] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.379033][ T519] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.379337][ T519] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.379631][ T519] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.379923][ T519] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.380226][ T519] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.380523][ T519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.380831][ T519] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.381126][ T519] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.381436][ T519] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.381744][ T519] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.382035][ T519] ? 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) 
[ 52.382337][ T519] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.382636][ T519] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.382928][ T519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.383234][ T519] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.383540][ T519] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.383837][ T519] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.384140][ T519] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.384444][ T519] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.384736][ T519] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.385110][ T519] ___sys_sendmsg (net/socket.c:2670) 
[ 52.385406][ T519] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.385706][ T519] ? __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) 
[ 52.386073][ T519] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.386378][ T519] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.386674][ T519] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.386971][ T519] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.387271][ T519] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.387566][ T519] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.387867][ T519] __sys_sendmsg (net/socket.c:2700) 
[ 52.388163][ T519] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.388538][ T519] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.388846][ T519] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.389141][ T519] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.389441][ T519] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.389807][  T519] RIP: 0033:0x7f162fa9f1e7
[ 52.390111][ T519] 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)
[   52.391178][  T519] RSP: 002b:00007ffc39bcf338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.391623][  T519] RAX: ffffffffffffffda RBX: 00007ffc39bcfa70 RCX: 00007f162fa9f1e7
[   52.392068][  T519] RDX: 0000000000000000 RSI: 00007ffc39bcf3a0 RDI: 0000000000000005
[   52.392519][  T519] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   52.392964][  T519] R10: 000000000bbda910 R11: 0000000000000246 R12: 0000000000000004
[   52.393411][  T519] R13: 00000000686e7e0b R14: 0000000000499600 R15: 0000000000000000
| [   52.635378][  T521] ------------[ cut here ]------------
| [ 52.635679][ T521] WARNING: CPU: 0 PID: 521 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) 
| [   52.636292][  T521] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   52.637383][  T521] Tainted: [W]=WARN
[   52.637614][  T521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.637992][ T521] 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) 
[ 52.638315][ T521] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   52.639399][  T521] RSP: 0018:ffffc90000d27080 EFLAGS: 00010246
[   52.639781][  T521] RAX: 0000000000000000 RBX: ffff88800aeaa000 RCX: 0000000000000001
[   52.640244][  T521] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   52.640703][  T521] RBP: ffffc90000d27168 R08: 0000000000000000 R09: 0000000000000000
[   52.641160][  T521] R10: ffffc90000d27198 R11: ffffffff8a0ceab8 R12: 1ffff920001a4e14
[   52.641629][  T521] R13: 00000000000005dc R14: ffffc90000d27198 R15: ffff88800aeaaf48
[   52.642085][  T521] FS:  00007f1d9cb1b800(0000) GS:ffff8880e1b99000(0000) knlGS:0000000000000000
[   52.642628][  T521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.643008][  T521] CR2: 000000000043d940 CR3: 0000000009f28005 CR4: 0000000000772ef0
[   52.643511][  T521] PKRU: 55555554
[   52.643738][  T521] Call Trace:
[   52.643965][  T521]  <TASK>
[ 52.644123][ T521] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.644444][ T521] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 52.644751][ T521] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 52.645123][ T521] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 52.645445][ T521] netif_set_mtu (net/core/dev.c:9652) 
[ 52.645749][ T521] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.646061][ T521] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 52.646450][ T521] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.646687][ T521] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 52.646990][ T521] br_add_if (net/bridge/br_if.c:697) 
[ 52.647238][ T521] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 52.647537][ T521] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 52.647841][ T521] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 52.648146][ T521] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 52.648452][ T521] ? __dev_get_by_name (net/core/dev.c:865) 
[ 52.648758][ T521] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 52.649058][ T521] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 52.649394][ T521] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.649693][ T521] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 52.649998][ T521] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 52.650321][ T521] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.650630][ T521] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.650950][ T521] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.651261][ T521] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.651563][ T521] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.651867][ T521] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.652182][ T521] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.652487][ T521] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.652792][ T521] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.653094][ T521] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.653413][ T521] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.653732][ T521] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.654032][ T521] ? 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) 
[ 52.654343][ T521] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.654651][ T521] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.654951][ T521] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.655265][ T521] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.655573][ T521] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.655881][ T521] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.656201][ T521] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.656505][ T521] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.656804][ T521] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.657209][ T521] ___sys_sendmsg (net/socket.c:2670) 
[ 52.657515][ T521] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.657816][ T521] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 52.658127][ T521] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 52.658436][ T521] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 52.658741][ T521] ? __handle_mm_fault (mm/memory.c:6212) 
[ 52.659042][ T521] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 52.659348][ T521] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 52.659671][ T521] __sys_sendmsg (net/socket.c:2700) 
[ 52.659978][ T521] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.660288][ T521] ? 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) 
[ 52.660594][ T521] ? 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) 
[ 52.660902][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.661223][ T521] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.661527][ T521] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.661899][  T521] RIP: 0033:0x7f1d9cce81e7
[ 52.662222][ T521] 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)
[   52.663301][  T521] RSP: 002b:00007ffd6ae57148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.663753][  T521] RAX: ffffffffffffffda RBX: 00007ffd6ae57880 RCX: 00007f1d9cce81e7
[   52.664213][  T521] RDX: 0000000000000000 RSI: 00007ffd6ae571b0 RDI: 0000000000000005
[   52.664667][  T521] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   52.665120][  T521] R10: 00007f1d9cd76ac0 R11: 0000000000000246 R12: 00007ffd6ae578b8
[   52.665587][  T521] R13: 00000000686e7e0b R14: 0000000000499600 R15: 00007ffd6ae572a0
| [   54.295694][  T534] ------------[ cut here ]------------
| [ 54.295997][ T534] WARNING: CPU: 0 PID: 534 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) 
| [   54.296606][  T534] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   54.297666][  T534] Tainted: [W]=WARN
[   54.297894][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.298288][ T534] 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) 
[ 54.298606][ T534] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   54.299662][  T534] RSP: 0018:ffffc90000df6ef0 EFLAGS: 00010246
[   54.300034][  T534] RAX: 0000000000000000 RBX: ffff88800b8b2000 RCX: 0000000000000001
[   54.300497][  T534] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   54.300947][  T534] RBP: ffffc90000df6fd8 R08: 0000000000000000 R09: 0000000000000000
[   54.301395][  T534] R10: ffffc90000df7008 R11: ffffffff8978d1e0 R12: 1ffff920001bede2
[   54.301835][  T534] R13: 00000000000005dc R14: ffffc90000df7008 R15: ffff88800b8b2f48
[   54.302284][  T534] FS:  00007fc89f168800(0000) GS:ffff8880e1b99000(0000) knlGS:0000000000000000
[   54.302795][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.303175][  T534] CR2: 00000000004e6888 CR3: 000000000b5fa001 CR4: 0000000000772ef0
[   54.303617][  T534] PKRU: 55555554
[   54.303837][  T534] Call Trace:
[   54.304055][  T534]  <TASK>
[ 54.304226][ T534] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.304525][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.304831][ T534] netif_set_mtu (net/core/dev.c:9652) 
[ 54.305123][ T534] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.305441][ T534] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.305664][ T534] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 54.305959][ T534] br_add_if (net/bridge/br_if.c:697) 
[ 54.306202][ T534] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 54.306501][ T534] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.306802][ T534] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.307181][ T534] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.307475][ T534] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.307767][ T534] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.308064][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.308379][ T534] ? __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) 
[ 54.308681][ T534] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.309044][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.309346][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.309639][ T534] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.309931][ T534] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.310231][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.310525][ T534] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.310818][ T534] ? __create_object (mm/kmemleak.c:771) 
[ 54.311117][ T534] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.311420][ T534] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.311715][ T534] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.312078][ T534] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.312396][ T534] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.312697][ T534] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.312987][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.313293][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.313595][ T534] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.313884][ T534] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.314187][ T534] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.314484][ T534] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.314779][ T534] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.315075][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.315389][ T534] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.315689][ T534] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.315985][ T534] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.316305][ T534] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.316598][ T534] ? 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) 
[ 54.316892][ T534] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.317198][ T534] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.317491][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.317795][ T534] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.318091][ T534] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.318393][ T534] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.318695][ T534] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.318990][ T534] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.319287][ T534] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.319666][ T534] ___sys_sendmsg (net/socket.c:2670) 
[ 54.319960][ T534] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.320267][ T534] ? __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) 
[ 54.320639][ T534] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.320943][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.321247][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.321547][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.321839][ T534] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.322136][ T534] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.322443][ T534] __sys_sendmsg (net/socket.c:2700) 
[ 54.322736][ T534] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.323100][ T534] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.323413][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.323711][ T534] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.324005][ T534] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.324383][  T534] RIP: 0033:0x7fc89f3351e7
[ 54.324693][ T534] 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)
[   54.325748][  T534] RSP: 002b:00007ffc70b488c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.326197][  T534] RAX: ffffffffffffffda RBX: 00007ffc70b49000 RCX: 00007fc89f3351e7
[   54.326640][  T534] RDX: 0000000000000000 RSI: 00007ffc70b48930 RDI: 0000000000000005
[   54.327079][  T534] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   54.327525][  T534] R10: 00000000383b9910 R11: 0000000000000246 R12: 0000000000000004
[   54.327967][  T534] R13: 00000000686e7e0d R14: 0000000000499600 R15: 0000000000000000
| [   54.626478][  T536] ------------[ cut here ]------------
| [ 54.627007][ T536] WARNING: CPU: 1 PID: 536 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) 
| [   54.628104][  T536] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   54.630112][  T536] Tainted: [W]=WARN
[   54.630531][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.631238][ T536] 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) 
[ 54.631808][ T536] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   54.633703][  T536] RSP: 0000:ffffc90000e17080 EFLAGS: 00010246
[   54.634414][  T536] RAX: 0000000000000000 RBX: ffff88800b8b2000 RCX: 0000000000000001
[   54.635232][  T536] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   54.636052][  T536] RBP: ffffc90000e17168 R08: 0000000000000000 R09: 0000000000000000
[   54.637798][  T536] R10: ffffc90000e17198 R11: ffff88806cf392c0 R12: 1ffff920001c2e14
[   54.638634][  T536] R13: 00000000000005dc R14: ffffc90000e17198 R15: ffff88800b8b2f48
[   54.640294][  T536] FS:  00007f72bb041800(0000) GS:ffff8880e1c19000(0000) knlGS:0000000000000000
[   54.641259][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.641948][  T536] CR2: 00007f2fcbfd28c0 CR3: 000000000b0fc006 CR4: 0000000000772ef0
[   54.642796][  T536] PKRU: 55555554
[   54.643220][  T536] Call Trace:
[   54.643632][  T536]  <TASK>
[ 54.643922][ T536] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.644503][ T536] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.645209][ T536] netif_set_mtu (net/core/dev.c:9652) 
[ 54.645745][ T536] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.656324][ T536] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 54.657009][ T536] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.657422][ T536] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 54.657940][ T536] br_add_if (net/bridge/br_if.c:697) 
[ 54.658373][ T536] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 54.658886][ T536] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 54.659434][ T536] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 54.659962][ T536] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 54.660482][ T536] ? __dev_get_by_name (net/core/dev.c:865) 
[ 54.663427][ T536] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 54.663954][ T536] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 54.665339][ T536] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.665864][ T536] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 54.666412][ T536] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 54.666968][ T536] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.668393][ T536] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.668975][ T536] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.669528][ T536] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.670840][ T536] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.671364][ T536] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.671887][ T536] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.673258][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.673813][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.675210][ T536] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.675738][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.676342][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.676884][ T536] ? 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) 
[ 54.677434][ T536] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.677971][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.678533][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.679089][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.679643][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.680206][ T536] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.680770][ T536] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.681332][ T536] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.684380][ T536] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.685079][ T536] ___sys_sendmsg (net/socket.c:2670) 
[ 54.685650][ T536] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.686209][ T536] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 54.686741][ T536] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 54.687285][ T536] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 54.688256][ T536] ? __handle_mm_fault (mm/memory.c:6212) 
[ 54.688793][ T536] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 54.689331][ T536] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 54.689911][ T536] __sys_sendmsg (net/socket.c:2700) 
[ 54.690883][ T536] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.691438][ T536] ? 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) 
[ 54.692013][ T536] ? 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) 
[ 54.692578][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.693119][ T536] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.693661][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.694334][  T536] RIP: 0033:0x7f72bb20e1e7
[ 54.694880][ T536] 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)
[   54.697259][  T536] RSP: 002b:00007ffcb88a12d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.698500][  T536] RAX: ffffffffffffffda RBX: 00007ffcb88a1a10 RCX: 00007f72bb20e1e7
[   54.699306][  T536] RDX: 0000000000000000 RSI: 00007ffcb88a1340 RDI: 0000000000000005
[   54.700142][  T536] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   54.700989][  T536] R10: 00007f72bb29cac0 R11: 0000000000000246 R12: 00007ffcb88a1a48
[   54.701799][  T536] R13: 00000000686e7e0d R14: 0000000000499600 R15: 00007ffcb88a1430
| [   80.393421][  T782] ------------[ cut here ]------------
| [ 80.393716][ T782] WARNING: CPU: 1 PID: 782 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) 
| [   80.394305][  T782] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   80.395357][  T782] Tainted: [W]=WARN
[   80.395582][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.395951][ T782] 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) 
[ 80.396262][ T782] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   80.397317][  T782] RSP: 0018:ffffc900014e6ef0 EFLAGS: 00010246
[   80.397688][  T782] RAX: 0000000000000000 RBX: ffff88800be72000 RCX: 0000000000000001
[   80.398127][  T782] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   80.398573][  T782] RBP: ffffc900014e6fd8 R08: 0000000000000000 R09: 0000000000000000
[   80.399012][  T782] R10: ffffc900014e7008 R11: ffffffff8978d1e0 R12: 1ffff9200029cde2
[   80.399455][  T782] R13: 00000000000005dc R14: ffffc900014e7008 R15: ffff88800be72f48
[   80.399893][  T782] FS:  00007f6d1e7ba800(0000) GS:ffff8880e1c19000(0000) knlGS:0000000000000000
[   80.400426][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.400811][  T782] CR2: 00000000004e6888 CR3: 0000000032efb006 CR4: 0000000000772ef0
[   80.401265][  T782] PKRU: 55555554
[   80.401485][  T782] Call Trace:
[   80.401705][  T782]  <TASK>
[ 80.401857][ T782] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 80.402150][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.402464][ T782] netif_set_mtu (net/core/dev.c:9652) 
[ 80.402762][ T782] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 80.403073][ T782] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 80.403305][ T782] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 80.403603][ T782] br_add_if (net/bridge/br_if.c:697) 
[ 80.403837][ T782] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 80.404132][ T782] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 80.404441][ T782] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 80.404819][ T782] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 80.405110][ T782] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 80.405408][ T782] ? __kernel_text_address (kernel/extable.c:79) 
[ 80.405705][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.406007][ T782] ? __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) 
[ 80.406308][ T782] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 80.406671][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 80.406972][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 80.407269][ T782] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 80.407562][ T782] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 80.407857][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 80.408152][ T782] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 80.408449][ T782] ? __create_object (mm/kmemleak.c:771) 
[ 80.408742][ T782] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 80.409036][ T782] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 80.409341][ T782] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 80.409707][ T782] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 80.410007][ T782] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 80.410314][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 80.410605][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.410913][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 80.411220][ T782] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 80.411517][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 80.411812][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 80.412105][ T782] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 80.412406][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 80.412703][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.413001][ T782] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 80.413301][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 80.413595][ T782] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 80.413903][ T782] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 80.414206][ T782] ? 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) 
[ 80.414502][ T782] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 80.414795][ T782] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 80.415086][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.415392][ T782] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 80.415688][ T782] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 80.415988][ T782] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 80.416296][ T782] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 80.416591][ T782] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 80.416882][ T782] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 80.417269][ T782] ___sys_sendmsg (net/socket.c:2670) 
[ 80.417559][ T782] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 80.417851][ T782] ? __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) 
[ 80.418228][ T782] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 80.418524][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 80.418820][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.419118][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 80.419417][ T782] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 80.419707][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 80.420006][ T782] __sys_sendmsg (net/socket.c:2700) 
[ 80.420308][ T782] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 80.420670][ T782] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 80.420984][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 80.421284][ T782] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 80.421577][ T782] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   80.421938][  T782] RIP: 0033:0x7f6d1e9871e7
[ 80.422249][ T782] 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)
[   80.423307][  T782] RSP: 002b:00007ffc343be628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   80.423750][  T782] RAX: ffffffffffffffda RBX: 00007ffc343bed60 RCX: 00007f6d1e9871e7
[   80.424196][  T782] RDX: 0000000000000000 RSI: 00007ffc343be690 RDI: 0000000000000005
[   80.424638][  T782] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   80.425074][  T782] R10: 0000000014a2f910 R11: 0000000000000246 R12: 0000000000000004
[   80.425518][  T782] R13: 00000000686e7e27 R14: 0000000000499600 R15: 0000000000000000
| [   80.668908][  T784] ------------[ cut here ]------------
| [ 80.669258][ T784] WARNING: CPU: 2 PID: 784 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) 
| [   80.669866][  T784] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   80.670991][  T784] Tainted: [W]=WARN
[   80.671252][  T784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.671641][ T784] 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) 
[ 80.671963][ T784] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   80.673065][  T784] RSP: 0018:ffffc900014f7080 EFLAGS: 00010246
[   80.673468][  T784] RAX: 0000000000000000 RBX: ffff88800be72000 RCX: 0000000000000001
[   80.673930][  T784] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   80.674404][  T784] RBP: ffffc900014f7168 R08: 0000000000000000 R09: 0000000000000000
[   80.674866][  T784] R10: ffffc900014f7198 R11: ffffffff8978d1e0 R12: 1ffff9200029ee14
[   80.675335][  T784] R13: 00000000000005dc R14: ffffc900014f7198 R15: ffff88800be72f48
[   80.675794][  T784] FS:  00007f136504c800(0000) GS:ffff8880e1c99000(0000) knlGS:0000000000000000
[   80.676356][  T784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.676754][  T784] CR2: 0000559684efe758 CR3: 0000000011216006 CR4: 0000000000772ef0
[   80.677225][  T784] PKRU: 55555554
[   80.677465][  T784] Call Trace:
[   80.677700][  T784]  <TASK>
[ 80.677868][ T784] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 80.678191][ T784] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.678520][ T784] netif_set_mtu (net/core/dev.c:9652) 
[ 80.678837][ T784] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 80.679163][ T784] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 80.679420][ T784] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 80.679737][ T784] br_add_if (net/bridge/br_if.c:697) 
[ 80.679989][ T784] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 80.680309][ T784] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 80.680627][ T784] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 80.680955][ T784] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 80.681277][ T784] ? __dev_get_by_name (net/core/dev.c:865) 
[ 80.681594][ T784] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 80.681909][ T784] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 80.682238][ T784] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 80.682550][ T784] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 80.682868][ T784] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 80.683199][ T784] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 80.683522][ T784] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 80.683847][ T784] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 80.684159][ T784] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 80.684484][ T784] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 80.684803][ T784] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 80.685118][ T784] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 80.685455][ T784] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.685782][ T784] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 80.686123][ T784] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 80.686455][ T784] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 80.686781][ T784] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 80.687091][ T784] ? 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) 
[ 80.687416][ T784] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 80.687733][ T784] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 80.688053][ T784] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 80.688381][ T784] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 80.688699][ T784] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 80.689012][ T784] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 80.689353][ T784] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 80.689678][ T784] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 80.689990][ T784] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 80.690395][ T784] ___sys_sendmsg (net/socket.c:2670) 
[ 80.690721][ T784] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 80.691037][ T784] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 80.691361][ T784] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 80.691673][ T784] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 80.691992][ T784] ? __handle_mm_fault (mm/memory.c:6212) 
[ 80.692312][ T784] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 80.692629][ T784] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 80.692962][ T784] __sys_sendmsg (net/socket.c:2700) 
[ 80.693294][ T784] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 80.693611][ T784] ? 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) 
[ 80.693932][ T784] ? 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) 
[ 80.694255][ T784] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 80.694571][ T784] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 80.694889][ T784] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   80.695283][  T784] RIP: 0033:0x7f13652191e7
[ 80.695607][ T784] 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)
[   80.696698][  T784] RSP: 002b:00007ffdb20c7b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   80.697189][  T784] RAX: ffffffffffffffda RBX: 00007ffdb20c82a0 RCX: 00007f13652191e7
[   80.697661][  T784] RDX: 0000000000000000 RSI: 00007ffdb20c7bd0 RDI: 0000000000000005
[   80.698124][  T784] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   80.698596][  T784] R10: 00007f13652a7ac0 R11: 0000000000000246 R12: 00007ffdb20c82d8
[   80.699062][  T784] R13: 00000000686e7e27 R14: 0000000000499600 R15: 00007ffdb20c7cc0
| [   82.165877][  T797] ------------[ cut here ]------------
| [ 82.166186][ T797] WARNING: CPU: 3 PID: 797 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) 
| [   82.166769][  T797] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   82.167923][  T797] Tainted: [W]=WARN
[   82.168144][  T797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 82.168522][ T797] 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) 
[ 82.168822][ T797] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   82.169867][  T797] RSP: 0018:ffffc90001586ef0 EFLAGS: 00010246
[   82.170244][  T797] RAX: 0000000000000000 RBX: ffff88800aea2000 RCX: 0000000000000001
[   82.170685][  T797] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   82.171132][  T797] RBP: ffffc90001586fd8 R08: 0000000000000000 R09: 0000000000000000
[   82.171574][  T797] R10: ffffc90001587008 R11: ffffffff8978d1e0 R12: 1ffff920002b0de2
[   82.172010][  T797] R13: 00000000000005dc R14: ffffc90001587008 R15: ffff88800aea2f48
[   82.172472][  T797] FS:  00007f6930d2f800(0000) GS:ffff8880e1d19000(0000) knlGS:0000000000000000
[   82.172980][  T797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.173356][  T797] CR2: 00000000004e6888 CR3: 0000000011279003 CR4: 0000000000772ef0
[   82.173797][  T797] PKRU: 55555554
[   82.174015][  T797] Call Trace:
[   82.174241][  T797]  <TASK>
[ 82.174399][ T797] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 82.174692][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.174997][ T797] netif_set_mtu (net/core/dev.c:9652) 
[ 82.175298][ T797] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 82.175607][ T797] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 82.175829][ T797] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 82.176124][ T797] br_add_if (net/bridge/br_if.c:697) 
[ 82.176362][ T797] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 82.176661][ T797] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 82.176956][ T797] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 82.177334][ T797] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 82.177626][ T797] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 82.177915][ T797] ? __kernel_text_address (kernel/extable.c:79) 
[ 82.178221][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.178524][ T797] ? __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) 
[ 82.178821][ T797] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 82.179192][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 82.179487][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 82.179778][ T797] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 82.180070][ T797] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 82.180371][ T797] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.180665][ T797] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 82.180980][ T797] ? __create_object (mm/kmemleak.c:771) 
[ 82.181281][ T797] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 82.181575][ T797] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 82.181868][ T797] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 82.182237][ T797] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 82.182536][ T797] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 82.182832][ T797] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 82.183123][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.183433][ T797] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.183726][ T797] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 82.184016][ T797] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 82.184318][ T797] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 82.184609][ T797] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 82.184905][ T797] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 82.185210][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.185508][ T797] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 82.185804][ T797] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 82.186100][ T797] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 82.186412][ T797] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 82.186700][ T797] ? 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) 
[ 82.186994][ T797] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 82.187298][ T797] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 82.187593][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.187889][ T797] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 82.188196][ T797] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 82.188489][ T797] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 82.188787][ T797] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 82.189081][ T797] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 82.189378][ T797] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 82.189751][ T797] ___sys_sendmsg (net/socket.c:2670) 
[ 82.190046][ T797] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 82.190342][ T797] ? __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) 
[ 82.190706][ T797] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 82.191010][ T797] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.191314][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.191611][ T797] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.191903][ T797] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 82.192205][ T797] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 82.192506][ T797] __sys_sendmsg (net/socket.c:2700) 
[ 82.192796][ T797] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 82.193154][ T797] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 82.193467][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 82.193762][ T797] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 82.194054][ T797] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   82.194427][  T797] RIP: 0033:0x7f6930efc1e7
[ 82.194728][ T797] 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)
[   82.195774][  T797] RSP: 002b:00007fff38a46048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   82.196221][  T797] RAX: ffffffffffffffda RBX: 00007fff38a46780 RCX: 00007f6930efc1e7
[   82.196662][  T797] RDX: 0000000000000000 RSI: 00007fff38a460b0 RDI: 0000000000000005
[   82.197097][  T797] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   82.197545][  T797] R10: 00000000116b9910 R11: 0000000000000246 R12: 0000000000000004
[   82.197980][  T797] R13: 00000000686e7e29 R14: 0000000000499600 R15: 0000000000000000
| [   82.455838][  T799] ------------[ cut here ]------------
| [ 82.456145][ T799] WARNING: CPU: 1 PID: 799 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) 
| [   82.456767][  T799] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   82.457862][  T799] Tainted: [W]=WARN
[   82.458091][  T799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 82.458488][ T799] 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) 
[ 82.458810][ T799] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   82.460806][  T799] RSP: 0018:ffffc90001597080 EFLAGS: 00010246
[   82.461201][  T799] RAX: 0000000000000000 RBX: ffff88800aea2000 RCX: 0000000000000001
[   82.461654][  T799] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[   82.462109][  T799] RBP: ffffc90001597168 R08: 0000000000000000 R09: 0000000000000000
[   82.462577][  T799] R10: ffffc90001597198 R11: ffffffff8978d1e0 R12: 1ffff920002b2e14
[   82.463027][  T799] R13: 00000000000005dc R14: ffffc90001597198 R15: ffff88800aea2f48
[   82.463484][  T799] FS:  00007fc437947800(0000) GS:ffff8880e1c19000(0000) knlGS:0000000000000000
[   82.464025][  T799] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.464410][  T799] CR2: 000000000043d940 CR3: 000000000f27f003 CR4: 0000000000772ef0
[   82.464864][  T799] PKRU: 55555554
[   82.465091][  T799] Call Trace:
[   82.465324][  T799]  <TASK>
[ 82.465482][ T799] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 82.465792][ T799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.466106][ T799] netif_set_mtu (net/core/dev.c:9652) 
[ 82.466425][ T799] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 82.466750][ T799] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 82.466981][ T799] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 82.467295][ T799] br_add_if (net/bridge/br_if.c:697) 
[ 82.467535][ T799] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 82.467833][ T799] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 82.468144][ T799] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 82.468459][ T799] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 82.468759][ T799] ? __dev_get_by_name (net/core/dev.c:865) 
[ 82.469058][ T799] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 82.469369][ T799] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 82.469676][ T799] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 82.469973][ T799] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 82.470297][ T799] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 82.470617][ T799] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 82.470933][ T799] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 82.471254][ T799] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 82.471557][ T799] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 82.471861][ T799] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 82.472161][ T799] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 82.472476][ T799] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 82.472786][ T799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.473092][ T799] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 82.473401][ T799] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 82.473705][ T799] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 82.474017][ T799] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 82.474333][ T799] ? 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) 
[ 82.474645][ T799] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 82.474954][ T799] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 82.475263][ T799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.475571][ T799] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 82.475876][ T799] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 82.476188][ T799] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 82.476497][ T799] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 82.476802][ T799] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 82.477113][ T799] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 82.477504][ T799] ___sys_sendmsg (net/socket.c:2670) 
[ 82.477808][ T799] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 82.478110][ T799] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 82.478430][ T799] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 82.478735][ T799] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 82.479040][ T799] ? __handle_mm_fault (mm/memory.c:6212) 
[ 82.479351][ T799] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 82.479651][ T799] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 82.479973][ T799] __sys_sendmsg (net/socket.c:2700) 
[ 82.480280][ T799] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 82.480581][ T799] ? 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) 
[ 82.480905][ T799] ? 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) 
[ 82.481216][ T799] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 82.481529][ T799] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 82.481830][ T799] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   82.482220][  T799] RIP: 0033:0x7fc437b141e7
[ 82.482538][ T799] 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)
[   82.483623][  T799] RSP: 002b:00007ffd85502788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   82.484077][  T799] RAX: ffffffffffffffda RBX: 00007ffd85502ec0 RCX: 00007fc437b141e7
[   82.484537][  T799] RDX: 0000000000000000 RSI: 00007ffd855027f0 RDI: 0000000000000005
[   82.484987][  T799] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   82.485450][  T799] R10: 00007fc437ba2ac0 R11: 0000000000000246 R12: 00007ffd85502ef8
[   82.485900][  T799] R13: 00000000686e7e29 R14: 0000000000499600 R15: 00007ffd855028e0
| [  104.872442][ T1018] ------------[ cut here ]------------
| [ 104.872730][ T1018] WARNING: CPU: 1 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) 
| [  104.873311][ T1018] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  104.874340][ T1018] Tainted: [W]=WARN
[  104.874557][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.874912][ 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) 
[ 104.875230][ T1018] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  104.876254][ T1018] RSP: 0018:ffffc90000d06ef0 EFLAGS: 00010246
[  104.876617][ T1018] RAX: 0000000000000000 RBX: ffff88800aeaa000 RCX: 0000000000000001
[  104.877043][ T1018] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  104.877483][ T1018] RBP: ffffc90000d06fd8 R08: 0000000000000000 R09: 0000000000000000
[  104.877912][ T1018] R10: ffffc90000d07008 R11: ffffffff8978d1e0 R12: 1ffff920001a0de2
[  104.878347][ T1018] R13: 00000000000005dc R14: ffffc90000d07008 R15: ffff88800aeaaf48
[  104.878773][ T1018] FS:  00007f446608a800(0000) GS:ffff8880e1c19000(0000) knlGS:0000000000000000
[  104.879304][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.879676][ T1018] CR2: 00000000004e6888 CR3: 000000000bfda006 CR4: 0000000000772ef0
[  104.880120][ T1018] PKRU: 55555554
[  104.880348][ T1018] Call Trace:
[  104.880579][ T1018]  <TASK>
[ 104.880754][ T1018] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 104.881050][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.881382][ T1018] netif_set_mtu (net/core/dev.c:9652) 
[ 104.881679][ T1018] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 104.881986][ T1018] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 104.882225][ T1018] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 104.882516][ T1018] br_add_if (net/bridge/br_if.c:697) 
[ 104.882741][ T1018] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 104.883028][ T1018] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 104.883325][ T1018] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 104.883691][ T1018] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 104.883974][ T1018] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 104.884266][ T1018] ? __kernel_text_address (kernel/extable.c:79) 
[ 104.884558][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.884845][ T1018] ? __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) 
[ 104.885129][ T1018] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 104.885489][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.885780][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.886065][ T1018] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 104.886357][ T1018] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 104.886647][ T1018] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.886930][ T1018] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 104.887219][ T1018] ? __create_object (mm/kmemleak.c:771) 
[ 104.887506][ T1018] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 104.887790][ T1018] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 104.888079][ T1018] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 104.888439][ T1018] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 104.888730][ T1018] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 104.889018][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.889340][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.889633][ T1018] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.889916][ T1018] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 104.890216][ T1018] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.890528][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.890824][ T1018] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 104.891117][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.891422][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.891719][ T1018] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 104.892023][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.892317][ T1018] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 104.892618][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 104.892900][ 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) 
[ 104.893195][ T1018] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 104.893482][ T1018] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 104.893764][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.894053][ T1018] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 104.894371][ T1018] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 104.894677][ T1018] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 104.894978][ T1018] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 104.895281][ T1018] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 104.895571][ T1018] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 104.895946][ T1018] ___sys_sendmsg (net/socket.c:2670) 
[ 104.896237][ T1018] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 104.896519][ T1018] ? __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) 
[ 104.896877][ T1018] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 104.897174][ T1018] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.897461][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.897748][ T1018] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.898038][ T1018] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 104.898334][ T1018] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.898651][ T1018] __sys_sendmsg (net/socket.c:2700) 
[ 104.898946][ T1018] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 104.899317][ T1018] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 104.899631][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.899916][ T1018] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 104.900212][ T1018] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  104.900563][ T1018] RIP: 0033:0x7f44662571e7
[ 104.900883][ 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)
[  104.901939][ T1018] RSP: 002b:00007ffe643fb9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  104.902395][ T1018] RAX: ffffffffffffffda RBX: 00007ffe643fc110 RCX: 00007f44662571e7
[  104.902854][ T1018] RDX: 0000000000000000 RSI: 00007ffe643fba40 RDI: 0000000000000005
[  104.903305][ T1018] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  104.903751][ T1018] R10: 0000000004cca910 R11: 0000000000000246 R12: 0000000000000004
[  104.904185][ T1018] R13: 00000000686e7e3f R14: 0000000000499600 R15: 0000000000000000
| [  105.139319][ T1020] ------------[ cut here ]------------
| [ 105.139623][ T1020] WARNING: CPU: 3 PID: 1020 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) 
| [  105.140220][ T1020] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  105.141309][ T1020] Tainted: [W]=WARN
[  105.141542][ T1020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.141916][ T1020] 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) 
[ 105.142232][ T1020] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  105.143314][ T1020] RSP: 0018:ffffc90000d27080 EFLAGS: 00010246
[  105.143694][ T1020] RAX: 0000000000000000 RBX: ffff88800aeaa000 RCX: 0000000000000001
[  105.144142][ T1020] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  105.144596][ T1020] RBP: ffffc90000d27168 R08: 0000000000000000 R09: 0000000000000000
[  105.145045][ T1020] R10: ffffc90000d27198 R11: ffffffff8a0ceab8 R12: 1ffff920001a4e14
[  105.145500][ T1020] R13: 00000000000005dc R14: ffffc90000d27198 R15: ffff88800aeaaf48
[  105.145953][ T1020] FS:  00007f9ce5ddd800(0000) GS:ffff8880e1d19000(0000) knlGS:0000000000000000
[  105.146484][ T1020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.146863][ T1020] CR2: 000000000043d940 CR3: 0000000010c89006 CR4: 0000000000772ef0
[  105.147324][ T1020] PKRU: 55555554
[  105.147551][ T1020] Call Trace:
[  105.147776][ T1020]  <TASK>
[ 105.147932][ T1020] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.148244][ T1020] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 105.148547][ T1020] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 105.148922][ T1020] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 105.149232][ T1020] netif_set_mtu (net/core/dev.c:9652) 
[ 105.149536][ T1020] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.149847][ T1020] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 105.150245][ T1020] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.150472][ T1020] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 105.150781][ T1020] br_add_if (net/bridge/br_if.c:697) 
[ 105.151021][ T1020] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 105.151328][ T1020] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 105.151631][ T1020] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 105.151940][ T1020] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.152246][ T1020] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.152547][ T1020] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.152847][ T1020] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.153152][ T1020] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.153458][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.153763][ T1020] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.154078][ T1020] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.154391][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.154703][ T1020] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.155002][ T1020] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.155311][ T1020] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.155613][ T1020] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.155917][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.156231][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.156542][ T1020] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.156848][ T1020] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.157152][ T1020] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.157473][ T1020] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.157771][ T1020] ? 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) 
[ 105.158072][ T1020] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.158386][ T1020] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.158688][ T1020] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.158991][ T1020] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.159304][ T1020] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.159605][ T1020] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.159913][ T1020] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.160224][ T1020] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.160523][ T1020] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.160921][ T1020] ___sys_sendmsg (net/socket.c:2670) 
[ 105.161233][ T1020] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.161534][ T1020] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 105.161841][ T1020] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.162140][ T1020] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 105.162453][ T1020] ? __handle_mm_fault (mm/memory.c:6212) 
[ 105.162755][ T1020] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 105.163052][ T1020] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 105.163380][ T1020] __sys_sendmsg (net/socket.c:2700) 
[ 105.163681][ T1020] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.163979][ T1020] ? 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) 
[ 105.164298][ T1020] ? 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) 
[ 105.164602][ T1020] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.164908][ T1020] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.165216][ T1020] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.165588][ T1020] RIP: 0033:0x7f9ce5faa1e7
[ 105.165895][ T1020] 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)
[  105.166972][ T1020] RSP: 002b:00007ffdd45c38d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.167437][ T1020] RAX: ffffffffffffffda RBX: 00007ffdd45c4010 RCX: 00007f9ce5faa1e7
[  105.167889][ T1020] RDX: 0000000000000000 RSI: 00007ffdd45c3940 RDI: 0000000000000005
[  105.168345][ T1020] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  105.168794][ T1020] R10: 00007f9ce6038ac0 R11: 0000000000000246 R12: 00007ffdd45c4048
[  105.169252][ T1020] R13: 00000000686e7e40 R14: 0000000000499600 R15: 00007ffdd45c3a30
| [  106.636741][ T1033] ------------[ cut here ]------------
| [ 106.637037][ T1033] WARNING: CPU: 3 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) 
| [  106.637624][ T1033] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  106.638715][ T1033] Tainted: [W]=WARN
[  106.638938][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.639315][ 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) 
[ 106.639625][ T1033] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  106.640681][ T1033] RSP: 0018:ffffc90000df6ef0 EFLAGS: 00010246
[  106.641065][ T1033] RAX: 0000000000000000 RBX: ffff8880053c2000 RCX: 0000000000000001
[  106.641510][ T1033] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  106.641950][ T1033] RBP: ffffc90000df6fd8 R08: 0000000000000000 R09: 0000000000000000
[  106.642393][ T1033] R10: ffffc90000df7008 R11: ffffffff8978d1e0 R12: 1ffff920001bede2
[  106.642830][ T1033] R13: 00000000000005dc R14: ffffc90000df7008 R15: ffff8880053c2f48
[  106.643283][ T1033] FS:  00007fb6a17e9800(0000) GS:ffff8880e1d19000(0000) knlGS:0000000000000000
[  106.643798][ T1033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.644302][ T1033] CR2: 00000000004e6888 CR3: 0000000010c87005 CR4: 0000000000772ef0
[  106.644753][ T1033] PKRU: 55555554
[  106.644967][ T1033] Call Trace:
[  106.645317][ T1033]  <TASK>
[ 106.645467][ T1033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 106.645753][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.646052][ T1033] netif_set_mtu (net/core/dev.c:9652) 
[ 106.646469][ T1033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 106.646772][ T1033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 106.646990][ T1033] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 106.647445][ T1033] br_add_if (net/bridge/br_if.c:697) 
[ 106.647678][ T1033] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 106.647975][ T1033] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 106.648407][ T1033] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 106.648785][ T1033] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 106.649069][ T1033] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 106.649461][ T1033] ? __kernel_text_address (kernel/extable.c:79) 
[ 106.649751][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.650037][ T1033] ? __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) 
[ 106.650331][ T1033] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 106.650685][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.651002][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.651311][ T1033] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 106.651605][ T1033] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 106.651899][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 106.652199][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 106.652490][ T1033] ? __create_object (mm/kmemleak.c:771) 
[ 106.652786][ T1033] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 106.653091][ T1033] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 106.653387][ T1033] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 106.653742][ T1033] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 106.654033][ T1033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 106.654331][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.654614][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.654903][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 106.655208][ T1033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 106.655534][ T1033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.655829][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.656121][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 106.656421][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.656723][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.657015][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 106.657308][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.657594][ T1033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 106.657893][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 106.658185][ 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) 
[ 106.658473][ T1033] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 106.658759][ T1033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 106.659052][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 106.659355][ T1033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 106.659668][ T1033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 106.659968][ T1033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 106.660271][ T1033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 106.660563][ T1033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 106.660946][ T1033] ___sys_sendmsg (net/socket.c:2670) 
[ 106.661245][ T1033] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 106.661538][ T1033] ? __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) 
[ 106.661906][ T1033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 106.662216][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 106.662506][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.662798][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 106.663084][ T1033] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 106.663385][ T1033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.663703][ T1033] __sys_sendmsg (net/socket.c:2700) 
[ 106.664002][ T1033] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 106.664374][ T1033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 106.664680][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.664977][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 106.665307][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  106.665682][ T1033] RIP: 0033:0x7fb6a19b61e7
[ 106.665999][ 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)
[  106.667065][ T1033] RSP: 002b:00007fff960eaf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  106.667513][ T1033] RAX: ffffffffffffffda RBX: 00007fff960eb680 RCX: 00007fb6a19b61e7
[  106.667967][ T1033] RDX: 0000000000000000 RSI: 00007fff960eafb0 RDI: 0000000000000005
[  106.668416][ T1033] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  106.668861][ T1033] R10: 000000000bb6c910 R11: 0000000000000246 R12: 0000000000000004
[  106.669293][ T1033] R13: 00000000686e7e41 R14: 0000000000499600 R15: 0000000000000000
| [  106.909035][ T1035] ------------[ cut here ]------------
| [ 106.909356][ T1035] WARNING: CPU: 1 PID: 1035 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) 
| [  106.909946][ T1035] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  106.911048][ T1035] Tainted: [W]=WARN
[  106.911288][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 106.911667][ T1035] 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) 
[ 106.911975][ T1035] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  106.913079][ T1035] RSP: 0018:ffffc90000e17080 EFLAGS: 00010246
[  106.913640][ T1035] RAX: 0000000000000000 RBX: ffff8880053c2000 RCX: 0000000000000001
[  106.914092][ T1035] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  106.914579][ T1035] RBP: ffffc90000e17168 R08: 0000000000000000 R09: 0000000000000000
[  106.915049][ T1035] R10: ffffc90000e17198 R11: ffffffff8a0ceab8 R12: 1ffff920001c2e14
[  106.915508][ T1035] R13: 00000000000005dc R14: ffffc90000e17198 R15: ffff8880053c2f48
[  106.915966][ T1035] FS:  00007fb34d10d800(0000) GS:ffff8880e1c19000(0000) knlGS:0000000000000000
[  106.916486][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.916859][ T1035] CR2: 000000000043d940 CR3: 000000000cb04003 CR4: 0000000000772ef0
[  106.917309][ T1035] PKRU: 55555554
[  106.917534][ T1035] Call Trace:
[  106.917753][ T1035]  <TASK>
[ 106.917905][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 106.918219][ T1035] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 106.918538][ T1035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 106.918911][ T1035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 106.919224][ T1035] netif_set_mtu (net/core/dev.c:9652) 
[ 106.919535][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 106.919842][ T1035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 106.920217][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 106.920442][ T1035] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 106.920751][ T1035] br_add_if (net/bridge/br_if.c:697) 
[ 106.921016][ T1035] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 106.921336][ T1035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 106.921642][ T1035] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 106.921950][ T1035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 106.922266][ T1035] ? __dev_get_by_name (net/core/dev.c:865) 
[ 106.922572][ T1035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.922875][ T1035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 106.923190][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 106.923488][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.923799][ T1035] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 106.924102][ T1035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 106.924413][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.924720][ T1035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 106.925012][ T1035] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 106.925317][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 106.925610][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 106.925907][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.926219][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.926553][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 106.926857][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 106.927162][ T1035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 106.927485][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 106.927794][ T1035] ? 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) 
[ 106.928090][ T1035] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 106.928394][ T1035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 106.928688][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 106.928986][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 106.929289][ T1035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 106.929583][ T1035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 106.929883][ T1035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 106.930196][ T1035] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 106.930514][ T1035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 106.930909][ T1035] ___sys_sendmsg (net/socket.c:2670) 
[ 106.931221][ T1035] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 106.931521][ T1035] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 106.931824][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 106.932132][ T1035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 106.932435][ T1035] ? __handle_mm_fault (mm/memory.c:6212) 
[ 106.932729][ T1035] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 106.933023][ T1035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 106.933344][ T1035] __sys_sendmsg (net/socket.c:2700) 
[ 106.933638][ T1035] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 106.933930][ T1035] ? 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) 
[ 106.934246][ T1035] ? 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) 
[ 106.934567][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 106.934870][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 106.935186][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  106.935569][ T1035] RIP: 0033:0x7fb34d2da1e7
[ 106.935872][ T1035] 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)
[  106.936922][ T1035] RSP: 002b:00007ffec56f2048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  106.937379][ T1035] RAX: ffffffffffffffda RBX: 00007ffec56f2780 RCX: 00007fb34d2da1e7
[  106.937845][ T1035] RDX: 0000000000000000 RSI: 00007ffec56f20b0 RDI: 0000000000000005
[  106.938303][ T1035] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  106.938755][ T1035] R10: 00007fb34d368ac0 R11: 0000000000000246 R12: 00007ffec56f27b8
[  106.939217][ T1035] R13: 00000000686e7e41 R14: 0000000000499600 R15: 00007ffec56f21a0
| [  127.539189][ T1160] ------------[ cut here ]------------
| [ 127.539506][ T1160] WARNING: CPU: 2 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) 
| [  127.540093][ T1160] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  127.541189][ T1160] Tainted: [W]=WARN
[  127.541423][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 127.541804][ 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) 
[ 127.542121][ T1160] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  127.543192][ T1160] RSP: 0018:ffffc90001276ef0 EFLAGS: 00010246
[  127.543580][ T1160] RAX: 0000000000000000 RBX: ffff88800be72000 RCX: 0000000000000001
[  127.544031][ T1160] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  127.544490][ T1160] RBP: ffffc90001276fd8 R08: 0000000000000000 R09: 0000000000000000
[  127.544944][ T1160] R10: ffffc90001277008 R11: ffffffff8978d1e0 R12: 1ffff9200024ede2
[  127.545406][ T1160] R13: 00000000000005dc R14: ffffc90001277008 R15: ffff88800be72f48
[  127.545857][ T1160] FS:  00007fad323ae800(0000) GS:ffff8880e1c99000(0000) knlGS:0000000000000000
[  127.546390][ T1160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.546769][ T1160] CR2: 00000000004e6888 CR3: 000000000ef50002 CR4: 0000000000772ef0
[  127.547233][ T1160] PKRU: 55555554
[  127.547468][ T1160] Call Trace:
[  127.547698][ T1160]  <TASK>
[ 127.547862][ T1160] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 127.548182][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.548499][ T1160] netif_set_mtu (net/core/dev.c:9652) 
[ 127.548804][ T1160] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 127.549122][ T1160] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 127.549371][ T1160] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 127.549679][ T1160] br_add_if (net/bridge/br_if.c:697) 
[ 127.549924][ T1160] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 127.550240][ T1160] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 127.550554][ T1160] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 127.550951][ T1160] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 127.551278][ T1160] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 127.551580][ T1160] ? __kernel_text_address (kernel/extable.c:79) 
[ 127.551887][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.552204][ T1160] ? __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) 
[ 127.552510][ T1160] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 127.552888][ T1160] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.553202][ T1160] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.553504][ T1160] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 127.553806][ T1160] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 127.554110][ T1160] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.554421][ T1160] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 127.554723][ T1160] ? __create_object (mm/kmemleak.c:771) 
[ 127.555027][ T1160] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 127.555349][ T1160] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 127.555659][ T1160] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 127.556034][ T1160] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 127.556356][ T1160] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 127.556666][ T1160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.556968][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.557287][ T1160] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.557595][ T1160] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 127.557898][ T1160] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.558211][ T1160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.558517][ T1160] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 127.558821][ T1160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.559130][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.559447][ T1160] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 127.559752][ T1160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.560060][ T1160] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 127.560383][ T1160] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 127.560685][ 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) 
[ 127.561001][ T1160] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 127.561318][ T1160] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 127.561624][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.561935][ T1160] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 127.562259][ T1160] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 127.562563][ T1160] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 127.562873][ T1160] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 127.563185][ T1160] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 127.563489][ T1160] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 127.563875][ T1160] ___sys_sendmsg (net/socket.c:2670) 
[ 127.564184][ T1160] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 127.564492][ T1160] ? __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) 
[ 127.564869][ T1160] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 127.565188][ T1160] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.565496][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.565806][ T1160] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.566109][ T1160] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 127.566421][ T1160] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.566738][ T1160] __sys_sendmsg (net/socket.c:2700) 
[ 127.567042][ T1160] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 127.567423][ T1160] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 127.567741][ T1160] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.568047][ T1160] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 127.568361][ T1160] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  127.568732][ T1160] RIP: 0033:0x7fad3257b1e7
[ 127.569051][ 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)
[  127.570113][ T1160] RSP: 002b:00007ffc82ce0198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  127.570572][ T1160] RAX: ffffffffffffffda RBX: 00007ffc82ce08d0 RCX: 00007fad3257b1e7
[  127.571031][ T1160] RDX: 0000000000000000 RSI: 00007ffc82ce0200 RDI: 0000000000000005
[  127.571487][ T1160] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  127.571934][ T1160] R10: 0000000011943910 R11: 0000000000000246 R12: 0000000000000004
[  127.572388][ T1160] R13: 00000000686e7e56 R14: 0000000000499600 R15: 0000000000000000
| [  127.815013][ T1162] ------------[ cut here ]------------
| [ 127.815337][ T1162] WARNING: CPU: 3 PID: 1162 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) 
| [  127.815938][ T1162] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  127.817564][ T1162] Tainted: [W]=WARN
[  127.817791][ T1162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 127.818177][ T1162] 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) 
[ 127.818498][ T1162] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  127.819580][ T1162] RSP: 0018:ffffc90001287080 EFLAGS: 00010246
[  127.819967][ T1162] RAX: 0000000000000000 RBX: ffff88800be72000 RCX: 0000000000000001
[  127.820426][ T1162] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  127.820898][ T1162] RBP: ffffc90001287168 R08: 0000000000000000 R09: 0000000000000000
[  127.821351][ T1162] R10: ffffc90001287198 R11: ffffffff8978d1e0 R12: 1ffff92000250e14
[  127.821801][ T1162] R13: 00000000000005dc R14: ffffc90001287198 R15: ffff88800be72f48
[  127.822288][ T1162] FS:  00007f6d17999800(0000) GS:ffff8880e1d19000(0000) knlGS:0000000000000000
[  127.822813][ T1162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.823205][ T1162] CR2: 000000000043d940 CR3: 0000000010d3e004 CR4: 0000000000772ef0
[  127.823668][ T1162] PKRU: 55555554
[  127.823892][ T1162] Call Trace:
[  127.824115][ T1162]  <TASK>
[ 127.824278][ T1162] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 127.824582][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.824895][ T1162] netif_set_mtu (net/core/dev.c:9652) 
[ 127.825199][ T1162] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 127.825516][ T1162] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 127.825745][ T1162] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 127.826048][ T1162] br_add_if (net/bridge/br_if.c:697) 
[ 127.826292][ T1162] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 127.826601][ T1162] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 127.826901][ T1162] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 127.827219][ T1162] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 127.827522][ T1162] ? __dev_get_by_name (net/core/dev.c:865) 
[ 127.827822][ T1162] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 127.828119][ T1162] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 127.828435][ T1162] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 127.828732][ T1162] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 127.829041][ T1162] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 127.829356][ T1162] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 127.829663][ T1162] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.829974][ T1162] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 127.830278][ T1162] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.830582][ T1162] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.830887][ T1162] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 127.831209][ T1162] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.831515][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.831820][ T1162] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 127.832120][ T1162] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.832426][ T1162] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 127.832738][ T1162] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 127.833036][ T1162] ? 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) 
[ 127.833348][ T1162] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 127.833656][ T1162] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 127.833947][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.834280][ T1162] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 127.834588][ T1162] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 127.834889][ T1162] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 127.835212][ T1162] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 127.835524][ T1162] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 127.835826][ T1162] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 127.836217][ T1162] ___sys_sendmsg (net/socket.c:2670) 
[ 127.836521][ T1162] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 127.836822][ T1162] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 127.837125][ T1162] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 127.837429][ T1162] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 127.837737][ T1162] ? __handle_mm_fault (mm/memory.c:6212) 
[ 127.838036][ T1162] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 127.838342][ T1162] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 127.838669][ T1162] __sys_sendmsg (net/socket.c:2700) 
[ 127.838968][ T1162] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 127.839281][ T1162] ? 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) 
[ 127.839587][ T1162] ? 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) 
[ 127.839894][ T1162] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.840202][ T1162] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 127.840503][ T1162] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  127.840878][ T1162] RIP: 0033:0x7f6d17b661e7
[ 127.841195][ T1162] 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)
[  127.842275][ T1162] RSP: 002b:00007ffe64127d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  127.842729][ T1162] RAX: ffffffffffffffda RBX: 00007ffe64128490 RCX: 00007f6d17b661e7
[  127.843195][ T1162] RDX: 0000000000000000 RSI: 00007ffe64127dc0 RDI: 0000000000000005
[  127.843644][ T1162] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  127.844096][ T1162] R10: 00007f6d17bf4ac0 R11: 0000000000000246 R12: 00007ffe641284c8
[  127.844549][ T1162] R13: 00000000686e7e56 R14: 0000000000499600 R15: 00007ffe64127eb0
| [  129.276230][ T1175] ------------[ cut here ]------------
| [ 129.276554][ 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) 
| [  129.277177][ T1175] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  129.278294][ T1175] Tainted: [W]=WARN
[  129.278529][ T1175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.278918][ 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) 
[ 129.279247][ T1175] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  129.280354][ T1175] RSP: 0018:ffffc90001326ef0 EFLAGS: 00010246
[  129.280745][ T1175] RAX: 0000000000000000 RBX: ffff88800ddca000 RCX: 0000000000000001
[  129.281238][ T1175] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  129.281701][ T1175] RBP: ffffc90001326fd8 R08: 0000000000000000 R09: 0000000000000000
[  129.282163][ T1175] R10: ffffc90001327008 R11: ffffffff8978d1e0 R12: 1ffff92000264de2
[  129.282636][ T1175] R13: 00000000000005dc R14: ffffc90001327008 R15: ffff88800ddcaf48
[  129.283104][ T1175] FS:  00007f360fbc7800(0000) GS:ffff8880e1b99000(0000) knlGS:0000000000000000
[  129.283650][ T1175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.284037][ T1175] CR2: 00000000004e6888 CR3: 0000000010c49006 CR4: 0000000000772ef0
[  129.284506][ T1175] PKRU: 55555554
[  129.284737][ T1175] Call Trace:
[  129.284967][ T1175]  <TASK>
[ 129.285127][ T1175] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.285449][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.285769][ T1175] netif_set_mtu (net/core/dev.c:9652) 
[ 129.286076][ T1175] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 129.286425][ T1175] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 129.286663][ T1175] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 129.286975][ T1175] br_add_if (net/bridge/br_if.c:697) 
[ 129.287227][ T1175] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 129.287543][ T1175] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 129.287854][ T1175] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 129.288251][ T1175] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 129.288554][ T1175] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 129.288861][ T1175] ? __kernel_text_address (kernel/extable.c:79) 
[ 129.289178][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.289492][ T1175] ? __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) 
[ 129.289808][ T1175] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 129.290197][ T1175] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.290507][ T1175] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.290822][ T1175] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 129.291130][ T1175] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 129.291447][ T1175] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.291757][ T1175] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.292063][ T1175] ? __create_object (mm/kmemleak.c:771) 
[ 129.292389][ T1175] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 129.292700][ T1175] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 129.293011][ T1175] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 129.293401][ T1175] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 129.293718][ T1175] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.294033][ T1175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.294346][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.294664][ T1175] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.294974][ T1175] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.295289][ T1175] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.295600][ T1175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.295908][ T1175] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.296225][ T1175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.296538][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.296849][ T1175] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.297160][ T1175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.297478][ T1175] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.297799][ T1175] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.298104][ 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) 
[ 129.298421][ T1175] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.298732][ T1175] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.299038][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.299362][ T1175] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.299675][ T1175] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.299982][ T1175] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.300309][ T1175] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.300621][ T1175] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.300936][ T1175] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.301339][ T1175] ___sys_sendmsg (net/socket.c:2670) 
[ 129.301649][ T1175] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 129.301955][ T1175] ? __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) 
[ 129.302345][ T1175] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.302658][ T1175] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.302968][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.303285][ T1175] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.303594][ T1175] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 129.303904][ T1175] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.304225][ T1175] __sys_sendmsg (net/socket.c:2700) 
[ 129.304528][ T1175] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 129.304911][ T1175] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.305238][ T1175] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.305551][ T1175] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.305865][ T1175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.306255][ T1175] RIP: 0033:0x7f360fd941e7
[ 129.306574][ 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)
[  129.307673][ T1175] RSP: 002b:00007fff4ffdc638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.308141][ T1175] RAX: ffffffffffffffda RBX: 00007fff4ffdcd70 RCX: 00007f360fd941e7
[  129.308611][ T1175] RDX: 0000000000000000 RSI: 00007fff4ffdc6a0 RDI: 0000000000000005
[  129.309071][ T1175] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  129.309542][ T1175] R10: 000000002e41e910 R11: 0000000000000246 R12: 0000000000000004
[  129.309999][ T1175] R13: 00000000686e7e58 R14: 0000000000499600 R15: 0000000000000000
| [  129.557349][ T1177] ------------[ cut here ]------------
| [ 129.557684][ T1177] WARNING: CPU: 0 PID: 1177 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) 
| [  129.558319][ T1177] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  129.559466][ T1177] Tainted: [W]=WARN
[  129.559708][ T1177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.560106][ T1177] 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) 
[ 129.560439][ T1177] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[  129.561602][ T1177] RSP: 0018:ffffc90001347080 EFLAGS: 00010246
[  129.562006][ T1177] RAX: 0000000000000000 RBX: ffff88800ddca000 RCX: 0000000000000001
[  129.562491][ T1177] RDX: 0000000000000000 RSI: ffffffff88d10751 RDI: ffffffff88458280
[  129.562963][ T1177] RBP: ffffc90001347168 R08: 0000000000000000 R09: 0000000000000000
[  129.563445][ T1177] R10: ffffc90001347198 R11: ffffffff8978d1e0 R12: 1ffff92000268e14
[  129.563920][ T1177] R13: 00000000000005dc R14: ffffc90001347198 R15: ffff88800ddcaf48
[  129.564404][ T1177] FS:  00007ff4c58a3800(0000) GS:ffff8880e1b99000(0000) knlGS:0000000000000000
[  129.564957][ T1177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.565362][ T1177] CR2: 00007f360fbe5000 CR3: 000000000df68001 CR4: 0000000000772ef0
[  129.565845][ T1177] PKRU: 55555554
[  129.566082][ T1177] Call Trace:
[  129.566329][ T1177]  <TASK>
[ 129.566492][ T1177] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.566807][ T1177] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.567136][ T1177] netif_set_mtu (net/core/dev.c:9652) 
[ 129.567466][ T1177] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 129.567799][ T1177] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 129.568041][ T1177] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 129.568371][ T1177] br_add_if (net/bridge/br_if.c:697) 
[ 129.568625][ T1177] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 129.568941][ T1177] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 129.569271][ T1177] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 129.569595][ T1177] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 129.569913][ T1177] ? __dev_get_by_name (net/core/dev.c:865) 
[ 129.570237][ T1177] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 129.570556][ T1177] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 129.570886][ T1177] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.571209][ T1177] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 129.571532][ T1177] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 129.571859][ T1177] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.572192][ T1177] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.572527][ T1177] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.572843][ T1177] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.573161][ T1177] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.573491][ T1177] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.573807][ T1177] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.574128][ T1177] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.574457][ T1177] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.574771][ T1177] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.575088][ T1177] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.575429][ T1177] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.575747][ T1177] ? 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) 
[ 129.576062][ T1177] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.576392][ T1177] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.576708][ T1177] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.577031][ T1177] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.577359][ T1177] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.577682][ T1177] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.578005][ T1177] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.578330][ T1177] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.578646][ T1177] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.579052][ T1177] ___sys_sendmsg (net/socket.c:2670) 
[ 129.579380][ T1177] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.579697][ T1177] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 129.580018][ T1177] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 129.580339][ T1177] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 129.580658][ T1177] ? __handle_mm_fault (mm/memory.c:6212) 
[ 129.580981][ T1177] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 129.581302][ T1177] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 129.581638][ T1177] __sys_sendmsg (net/socket.c:2700) 
[ 129.581957][ T1177] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.582278][ T1177] ? 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) 
[ 129.582602][ T1177] ? 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) 
[ 129.582921][ T1177] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.583248][ T1177] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.583566][ T1177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.583959][ T1177] RIP: 0033:0x7ff4c5a701e7
[ 129.584289][ T1177] 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)
[  129.585433][ T1177] RSP: 002b:00007ffea7650be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.585906][ T1177] RAX: ffffffffffffffda RBX: 00007ffea7651320 RCX: 00007ff4c5a701e7
[  129.586392][ T1177] RDX: 0000000000000000 RSI: 00007ffea7650c50 RDI: 0000000000000005
[  129.586864][ T1177] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  129.587346][ T1177] R10: 00007ff4c5afeac0 R11: 0000000000000246 R12: 00007ffea7651358


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