======================================
| [   21.158346][  T329] br1: port 1(vx10) entered forwarding state
| [   21.159532][  T329] ------------[ cut here ]------------
| [ 21.159904][ T329] WARNING: CPU: 2 PID: 329 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) 
| [   21.160610][  T329] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.162387][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.162803][ T329] 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) 
[ 21.163179][ T329] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.164365][  T329] RSP: 0018:ffffc90000626ef0 EFLAGS: 00010246
[   21.164787][  T329] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   21.165488][  T329] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   21.165982][  T329] RBP: ffffc90000626fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.166496][  T329] R10: ffffc90000627010 R11: ffffffff90ea8918 R12: 1ffff920000c4de2
[   21.166986][  T329] R13: 00000000000005dc R14: ffffc90000627010 R15: ffff8880127caf08
[   21.167520][  T329] FS:  00007f22e82c7800(0000) GS:ffff8880a41b7000(0000) knlGS:0000000000000000
[   21.168134][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.168549][  T329] CR2: 00000000004e5ce0 CR3: 0000000004db7005 CR4: 0000000000772ef0
[   21.169038][  T329] PKRU: 55555554
[   21.169314][  T329] Call Trace:
[   21.169575][  T329]  <TASK>
[ 21.169766][ T329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.170121][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.170458][ T329] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.170777][ T329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.171202][ T329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.171531][ T329] netif_set_mtu (net/core/dev.c:9652) 
[ 21.171861][ T329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.172205][ T329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.172656][ T329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.172905][ T329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.173354][ T329] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.173723][ T329] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.174052][ T329] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.174388][ T329] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.174787][ T329] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.175143][ T329] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.175473][ T329] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.175813][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.176150][ T329] ? __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) 
[ 21.176492][ T329] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.176898][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.177248][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.177571][ T329] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.177901][ T329] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.178245][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.178576][ T329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.178904][ T329] ? __create_object (mm/kmemleak.c:771) 
[ 21.179253][ T329] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.179587][ T329] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.179923][ T329] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.180367][ T329] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.180710][ T329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.181048][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.181390][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.181728][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.182061][ T329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.182398][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.182734][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.183072][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.183424][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.183758][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.184111][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.184446][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.184780][ T329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.185135][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.185479][ T329] ? 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) 
[ 21.185811][ T329] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.186158][ T329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.186487][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.186821][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.187182][ T329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.187531][ T329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.187884][ T329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.188236][ T329] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.188569][ T329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.188986][ T329] ___sys_sendmsg (net/socket.c:2670) 
[ 21.189334][ T329] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.189680][ T329] ? __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) 
[ 21.190127][ T329] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.190471][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.190809][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.191165][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.191504][ T329] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.191840][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.192192][ T329] __sys_sendmsg (net/socket.c:2700) 
[ 21.192528][ T329] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.192945][ T329] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.193307][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.193642][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.193972][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.194379][  T329] RIP: 0033:0x7f22e84941e7
[ 21.194724][ T329] 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)
[   21.195853][  T329] RSP: 002b:00007fffec86f9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.196346][  T329] RAX: ffffffffffffffda RBX: 00007fffec870110 RCX: 00007f22e84941e7
[   21.196827][  T329] RDX: 0000000000000000 RSI: 00007fffec86fa50 RDI: 0000000000000005
[   21.197403][  T329] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.197896][  T329] R10: 000000003bf6f910 R11: 0000000000000246 R12: 0000000000000004
[   21.198394][  T329] R13: 00000000686e1e0b R14: 0000000000499600 R15: 0000000000000000
| [   21.719954][  T334] ------------[ cut here ]------------
| [ 21.720347][ T334] WARNING: CPU: 2 PID: 334 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) 
| [   21.721042][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.722850][  T334] Tainted: [W]=WARN
[   21.723302][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.724002][ T334] 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) 
[ 21.724621][ T334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.726635][  T334] RSP: 0018:ffffc90000776ef0 EFLAGS: 00010246
[   21.727413][  T334] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   21.728316][  T334] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   21.729237][  T334] RBP: ffffc90000776fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.729954][  T334] R10: ffffc90000777010 R11: ffffffff90ea8918 R12: 1ffff920000eede2
[   21.730466][  T334] R13: 00000000000005dc R14: ffffc90000777010 R15: ffff8880127caf08
[   21.730996][  T334] FS:  00007f7b57a51800(0000) GS:ffff8880a41b7000(0000) knlGS:0000000000000000
[   21.731595][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.732021][  T334] CR2: 00000000004e5de8 CR3: 0000000012f20001 CR4: 0000000000772ef0
[   21.732510][  T334] PKRU: 55555554
[   21.732770][  T334] Call Trace:
[   21.733037][  T334]  <TASK>
[ 21.733233][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.733572][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.733908][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.734283][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.734722][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.735040][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 21.735389][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.735746][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.736221][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.736483][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.736945][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.737360][ T334] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.737718][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.738050][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.738497][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.738847][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.739198][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.739540][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.739891][ T334] ? __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) 
[ 21.740242][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.740658][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.741008][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.741346][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.741704][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.742035][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.742398][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.742741][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 21.743095][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.743431][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.743777][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.744207][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.744555][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.744891][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.745261][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.745609][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.745937][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.746315][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.746661][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.747037][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.747408][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.747766][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.748129][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.748483][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.748835][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.749207][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.749549][ T334] ? 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) 
[ 21.749903][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.750251][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.750589][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.750934][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.751280][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.751642][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.751983][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.752339][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.752672][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.753106][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 21.753428][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.753753][ T334] ? __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) 
[ 21.754180][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.754503][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.754827][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.755176][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.755507][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.755843][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.756202][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 21.756537][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.756971][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.757322][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.757659][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.757996][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.758441][  T334] RIP: 0033:0x7f7b57c1e1e7
[ 21.758798][ T334] 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)
[   21.760230][  T334] RSP: 002b:00007fff8c8beb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.761234][  T334] RAX: ffffffffffffffda RBX: 00007fff8c8bf2b0 RCX: 00007f7b57c1e1e7
[   21.762006][  T334] RDX: 0000000000000000 RSI: 00007fff8c8bebf0 RDI: 0000000000000005
[   21.762554][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.763045][  T334] R10: 000000001d19e910 R11: 0000000000000246 R12: 0000000000000004
[   21.763792][  T334] R13: 00000000686e1e0c R14: 0000000000499600 R15: 0000000000000000
| [   22.005097][  T336] ------------[ cut here ]------------
| [ 22.005440][ T336] WARNING: CPU: 3 PID: 336 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.006107][  T336] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.007389][  T336] Tainted: [W]=WARN
[   22.007673][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.008112][ T336] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.008447][ T336] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.009711][  T336] RSP: 0018:ffffc90000626ef0 EFLAGS: 00010246
[   22.010154][  T336] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   22.010662][  T336] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   22.011169][  T336] RBP: ffffc90000626fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.011690][  T336] R10: ffffc90000627010 R11: ffffffff90ea8918 R12: 1ffff920000c4de2
[   22.012224][  T336] R13: 00000000000005dc R14: ffffc90000627010 R15: ffff8880127caf08
[   22.012751][  T336] FS:  00007f794f1ef800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   22.013352][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.013769][  T336] CR2: 00000000004e5aa8 CR3: 0000000013f44004 CR4: 0000000000772ef0
[   22.014297][  T336] PKRU: 55555554
[   22.014557][  T336] Call Trace:
[   22.014803][  T336]  <TASK>
[ 22.014973][ T336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.015335][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.015682][ T336] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.016024][ T336] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.016453][ T336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.016797][ T336] netif_set_mtu (net/core/dev.c:9652) 
[ 22.017174][ T336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.017517][ T336] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.017996][ T336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.018274][ T336] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.018733][ T336] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.019118][ T336] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.019471][ T336] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.019829][ T336] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.020258][ T336] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.020599][ T336] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.020952][ T336] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.021352][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.021685][ T336] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.022028][ T336] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.022465][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.022796][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.023150][ T336] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.023482][ T336] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.023810][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.024148][ T336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.024471][ T336] ? __create_object (mm/kmemleak.c:771) 
[ 22.024827][ T336] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.025205][ T336] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.025538][ T336] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.025942][ T336] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.026331][ T336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.026669][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.026992][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.027360][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.027716][ T336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.028042][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.028395][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.028727][ T336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.029059][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.029420][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.029762][ T336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.030125][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.030468][ T336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.030814][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.031157][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.031495][ T336] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.031842][ T336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.032188][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.032531][ T336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.032875][ T336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.033233][ T336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.033587][ T336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.033917][ T336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.034258][ T336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.034683][ T336] ___sys_sendmsg (net/socket.c:2670) 
[ 22.035018][ T336] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.035354][ T336] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.035786][ T336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.036142][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.036478][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.036843][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.037223][ T336] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.037571][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.037915][ T336] __sys_sendmsg (net/socket.c:2700) 
[ 22.038273][ T336] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.038696][ T336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.039070][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.039412][ T336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.039769][ T336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.040204][  T336] RIP: 0033:0x7f794f3bc1e7
[ 22.040557][ T336] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.041788][  T336] RSP: 002b:00007ffea88abf88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.042302][  T336] RAX: ffffffffffffffda RBX: 00007ffea88ac6b0 RCX: 00007f794f3bc1e7
[   22.042834][  T336] RDX: 0000000000000000 RSI: 00007ffea88abff0 RDI: 0000000000000005
[   22.043359][  T336] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.043870][  T336] R10: 0000000016606910 R11: 0000000000000246 R12: 0000000000000004
[   22.044418][  T336] R13: 00000000686e1e0c R14: 0000000000499600 R15: 0000000000000000
| [   22.388204][  T339] ------------[ cut here ]------------
| [ 22.388525][ T339] WARNING: CPU: 3 PID: 339 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.389166][  T339] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.391115][  T339] Tainted: [W]=WARN
[   22.391371][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.391795][ T339] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.392132][ T339] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.393286][  T339] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246
[   22.393691][  T339] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   22.394160][  T339] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   22.394641][  T339] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.395116][  T339] R10: ffffc900004e7010 R11: ffffffff90ea8918 R12: 1ffff9200009cde2
[   22.395601][  T339] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff8880127caf08
[   22.396064][  T339] FS:  00007f7c47004800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   22.396642][  T339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.397045][  T339] CR2: 00000000004e5ab0 CR3: 0000000013434006 CR4: 0000000000772ef0
[   22.397530][  T339] PKRU: 55555554
[   22.397760][  T339] Call Trace:
[   22.398000][  T339]  <TASK>
[ 22.398184][ T339] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.398495][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.398817][ T339] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.399138][ T339] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.399539][ T339] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.399891][ T339] netif_set_mtu (net/core/dev.c:9652) 
[ 22.400210][ T339] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.400538][ T339] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.401022][ T339] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.401270][ T339] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.401712][ T339] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.402104][ T339] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.402466][ T339] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.402808][ T339] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.403237][ T339] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.403563][ T339] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.403869][ T339] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.404216][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.404527][ T339] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.404859][ T339] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.405273][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.405605][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.405911][ T339] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.406278][ T339] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.406607][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.406946][ T339] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.407329][ T339] ? __create_object (mm/kmemleak.c:771) 
[ 22.407657][ T339] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.407963][ T339] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.408277][ T339] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.408691][ T339] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.409016][ T339] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.409337][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.409667][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.410028][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.410349][ T339] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.410668][ T339] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.410975][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.411316][ T339] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.411637][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.411952][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.412296][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.412613][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.412920][ T339] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.413248][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.413569][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.413901][ T339] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.414218][ T339] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.414547][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.414867][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.415193][ T339] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.415514][ T339] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.415839][ T339] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.416169][ T339] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.416476][ T339] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.416867][ T339] ___sys_sendmsg (net/socket.c:2670) 
[ 22.417205][ T339] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.417527][ T339] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.417905][ T339] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.418224][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.418547][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.418875][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.419207][ T339] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.419530][ T339] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.419866][ T339] __sys_sendmsg (net/socket.c:2700) 
[ 22.420198][ T339] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.420579][ T339] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.420930][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.421257][ T339] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.421572][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.421958][  T339] RIP: 0033:0x7f7c471d11e7
[ 22.422281][ T339] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.423372][  T339] RSP: 002b:00007ffe1fb372a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.423855][  T339] RAX: ffffffffffffffda RBX: 00007ffe1fb379d0 RCX: 00007f7c471d11e7
[   22.424332][  T339] RDX: 0000000000000000 RSI: 00007ffe1fb37310 RDI: 0000000000000005
[   22.424801][  T339] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.425278][  T339] R10: 0000000010b52910 R11: 0000000000000246 R12: 0000000000000004
[   22.425746][  T339] R13: 00000000686e1e0d R14: 0000000000499600 R15: 0000000000000000
| [   31.861975][  T431] ------------[ cut here ]------------
| [ 31.862363][ T431] WARNING: CPU: 2 PID: 431 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) 
| [   31.863023][  T431] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.864513][  T431] Tainted: [W]=WARN
[   31.864770][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.865195][ T431] 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) 
[ 31.865540][ T431] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.866709][  T431] RSP: 0018:ffffc90000ac6ef0 EFLAGS: 00010246
[   31.867133][  T431] RAX: 0000000000000000 RBX: ffff888016b32000 RCX: 0000000000000001
[   31.867626][  T431] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   31.868132][  T431] RBP: ffffc90000ac6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.868621][  T431] R10: ffffc90000ac7010 R11: ffffffff90579160 R12: 1ffff92000158de2
[   31.869120][  T431] R13: 00000000000005dc R14: ffffc90000ac7010 R15: ffff888016b32f08
[   31.869611][  T431] FS:  00007fbef8ed6800(0000) GS:ffff8880a41b7000(0000) knlGS:0000000000000000
[   31.870219][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.870661][  T431] CR2: 00000000004e5ce0 CR3: 0000000016f2a003 CR4: 0000000000772ef0
[   31.871165][  T431] PKRU: 55555554
[   31.871422][  T431] Call Trace:
[   31.871673][  T431]  <TASK>
[ 31.871851][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.872196][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.872551][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.872905][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 31.873255][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.873604][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.873875][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.874378][ T431] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.874788][ T431] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.875155][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.875519][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.875960][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.876326][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.876689][ T431] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.877041][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.877404][ T431] ? __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) 
[ 31.877767][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.878204][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.878564][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.878916][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.879280][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.879632][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.880004][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.880360][ T431] ? __create_object (mm/kmemleak.c:771) 
[ 31.880707][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.881040][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.881406][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.881817][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.882168][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.882506][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.882843][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.883182][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.883510][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.883822][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.884151][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.884485][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.884821][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.885154][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.885476][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.885797][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.886123][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.886452][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.886767][ T431] ? 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) 
[ 31.887097][ T431] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.887419][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.887736][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.888060][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.888415][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.888749][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.889117][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.889464][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.889817][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.890288][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 31.890639][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.890986][ T431] ? __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) 
[ 31.891439][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.891797][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.892155][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.892490][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.892807][ T431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.893154][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.893483][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 31.893796][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.894197][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.894544][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.894863][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.895193][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.895588][  T431] RIP: 0033:0x7fbef90a31e7
[ 31.895914][ T431] 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)
[   31.897017][  T431] RSP: 002b:00007fffc48fd498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.897499][  T431] RAX: ffffffffffffffda RBX: 00007fffc48fdbc0 RCX: 00007fbef90a31e7
[   31.897996][  T431] RDX: 0000000000000000 RSI: 00007fffc48fd500 RDI: 0000000000000005
[   31.898493][  T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.898986][  T431] R10: 00000000265e3910 R11: 0000000000000246 R12: 0000000000000004
[   31.899489][  T431] R13: 00000000686e1e16 R14: 0000000000499600 R15: 0000000000000000
| [   32.374809][  T435] ------------[ cut here ]------------
| [ 32.375199][ T435] WARNING: CPU: 0 PID: 435 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) 
| [   32.375887][  T435] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.377241][  T435] Tainted: [W]=WARN
[   32.377497][  T435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.377897][ T435] 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) 
[ 32.378240][ T435] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.380213][  T435] RSP: 0018:ffffc90000ad6ef0 EFLAGS: 00010246
[   32.380915][  T435] RAX: 0000000000000000 RBX: ffff888016b32000 RCX: 0000000000000001
[   32.381768][  T435] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   32.382625][  T435] RBP: ffffc90000ad6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.383486][  T435] R10: ffffc90000ad7010 R11: ffffffff90579160 R12: 1ffff9200015ade2
[   32.384341][  T435] R13: 00000000000005dc R14: ffffc90000ad7010 R15: ffff888016b32f08
[   32.385193][  T435] FS:  00007f542d726800(0000) GS:ffff8880a40b7000(0000) knlGS:0000000000000000
[   32.386182][  T435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.386880][  T435] CR2: 00000000004e5de8 CR3: 00000000125e9002 CR4: 0000000000772ef0
[   32.387775][  T435] PKRU: 55555554
[   32.388217][  T435] Call Trace:
[   32.388629][  T435]  <TASK>
[ 32.388919][ T435] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.389499][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.390105][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.390670][ T435] netif_set_mtu (net/core/dev.c:9652) 
[ 32.391261][ T435] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.391869][ T435] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.392315][ T435] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.393100][ T435] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.393742][ T435] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.394328][ T435] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.394884][ T435] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.395618][ T435] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.396201][ T435] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.396751][ T435] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.397311][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.397883][ T435] ? __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) 
[ 32.398452][ T435] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.399155][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.399744][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.400322][ T435] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.400876][ T435] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.401456][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.402016][ T435] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.402579][ T435] ? __create_object (mm/kmemleak.c:771) 
[ 32.403151][ T435] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.403714][ T435] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.404298][ T435] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.404993][ T435] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.405577][ T435] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.406160][ T435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.406702][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.407296][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.407879][ T435] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.408467][ T435] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.409030][ T435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.409588][ T435] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.410139][ T435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.410692][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.411277][ T435] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.411842][ T435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.412445][ T435] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.412999][ T435] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.413561][ T435] ? 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) 
[ 32.414128][ T435] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.414680][ T435] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.415237][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.415804][ T435] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.416380][ T435] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.416927][ T435] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.417496][ T435] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.418043][ T435] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.418594][ T435] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.419311][ T435] ___sys_sendmsg (net/socket.c:2670) 
[ 32.419874][ T435] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.420433][ T435] ? __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) 
[ 32.421128][ T435] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.421675][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.422241][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.422792][ T435] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.423353][ T435] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.423903][ T435] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.424473][ T435] __sys_sendmsg (net/socket.c:2700) 
[ 32.425024][ T435] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.425702][ T435] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.426279][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.426824][ T435] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.427361][ T435] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.428107][  T435] RIP: 0033:0x7f542d8f31e7
[ 32.428681][ T435] 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)
[   32.430694][  T435] RSP: 002b:00007ffc69b19068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.431564][  T435] RAX: ffffffffffffffda RBX: 00007ffc69b19790 RCX: 00007f542d8f31e7
[   32.432413][  T435] RDX: 0000000000000000 RSI: 00007ffc69b190d0 RDI: 0000000000000005
[   32.433263][  T435] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.434116][  T435] R10: 000000002fc6e910 R11: 0000000000000246 R12: 0000000000000004
[   32.434939][  T435] R13: 00000000686e1e17 R14: 0000000000499600 R15: 0000000000000000
| [   32.689421][  T437] ------------[ cut here ]------------
| [ 32.689732][ T437] WARNING: CPU: 0 PID: 437 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) 
| [   32.690357][  T437] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.691613][  T437] Tainted: [W]=WARN
[   32.691843][  T437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.692229][ T437] 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) 
[ 32.692542][ T437] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.693633][  T437] RSP: 0018:ffffc90000af6ef0 EFLAGS: 00010246
[   32.694015][  T437] RAX: 0000000000000000 RBX: ffff888016b32000 RCX: 0000000000000001
[   32.694489][  T437] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   32.694943][  T437] RBP: ffffc90000af6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.695408][  T437] R10: ffffc90000af7010 R11: ffffffff90ea8918 R12: 1ffff9200015ede2
[   32.695861][  T437] R13: 00000000000005dc R14: ffffc90000af7010 R15: ffff888016b32f08
[   32.696342][  T437] FS:  00007f07bd94c800(0000) GS:ffff8880a40b7000(0000) knlGS:0000000000000000
[   32.696901][  T437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.697315][  T437] CR2: 00000000004e6890 CR3: 0000000012db6004 CR4: 0000000000772ef0
[   32.697795][  T437] PKRU: 55555554
[   32.698035][  T437] Call Trace:
[   32.698292][  T437]  <TASK>
[ 32.698461][ T437] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.698782][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.699131][ T437] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.699451][ T437] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.699872][ T437] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.700205][ T437] netif_set_mtu (net/core/dev.c:9652) 
[ 32.700530][ T437] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.700862][ T437] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.701320][ T437] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.701566][ T437] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.702010][ T437] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.702402][ T437] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.702730][ T437] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.703060][ T437] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.703474][ T437] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.703793][ T437] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.704120][ T437] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.704449][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.704771][ T437] ? __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) 
[ 32.705104][ T437] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.705504][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.705826][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.706165][ T437] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.706486][ T437] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.706809][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.707137][ T437] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.707454][ T437] ? __create_object (mm/kmemleak.c:771) 
[ 32.707774][ T437] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.708104][ T437] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.708425][ T437] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.708824][ T437] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.709158][ T437] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.709486][ T437] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.709815][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.710160][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.710483][ T437] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.710800][ T437] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.711129][ T437] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.711449][ T437] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.711770][ T437] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.712109][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.712433][ T437] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.712753][ T437] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.713086][ T437] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.713420][ T437] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.713737][ T437] ? 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) 
[ 32.714060][ T437] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.714402][ T437] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.714722][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.715048][ T437] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.715381][ T437] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.715702][ T437] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.716029][ T437] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.716364][ T437] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.716685][ T437] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.717107][ T437] ___sys_sendmsg (net/socket.c:2670) 
[ 32.717427][ T437] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.717745][ T437] ? __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) 
[ 32.718160][ T437] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.718484][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.718806][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.719148][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.719468][ T437] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.719798][ T437] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.720133][ T437] __sys_sendmsg (net/socket.c:2700) 
[ 32.720454][ T437] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.720851][ T437] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.721191][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.721522][ T437] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.721846][ T437] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.722259][  T437] RIP: 0033:0x7f07bdb191e7
[ 32.722592][ T437] 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)
[   32.723743][  T437] RSP: 002b:00007ffdb051db18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.724243][  T437] RAX: ffffffffffffffda RBX: 00007ffdb051e240 RCX: 00007f07bdb191e7
[   32.724722][  T437] RDX: 0000000000000000 RSI: 00007ffdb051db80 RDI: 0000000000000005
[   32.725209][  T437] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.725685][  T437] R10: 0000000026bd2910 R11: 0000000000000246 R12: 0000000000000004
[   32.726182][  T437] R13: 00000000686e1e17 R14: 0000000000499600 R15: 0000000000000000
| [   33.099705][  T440] ------------[ cut here ]------------
| [ 33.100092][ T440] WARNING: CPU: 2 PID: 440 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.100759][  T440] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.102353][  T440] Tainted: [W]=WARN
[   33.102608][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.103019][ T440] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.103393][ T440] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.104586][  T440] RSP: 0018:ffffc90000bc6ef0 EFLAGS: 00010246
[   33.105010][  T440] RAX: 0000000000000000 RBX: ffff888016b32000 RCX: 0000000000000001
[   33.105533][  T440] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   33.106042][  T440] RBP: ffffc90000bc6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.106549][  T440] R10: ffffc90000bc7010 R11: ffffffff90ea8918 R12: 1ffff92000178de2
[   33.107058][  T440] R13: 00000000000005dc R14: ffffc90000bc7010 R15: ffff888016b32f08
[   33.107562][  T440] FS:  00007f55ffd98800(0000) GS:ffff8880a41b7000(0000) knlGS:0000000000000000
[   33.108142][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.108564][  T440] CR2: 00000000004e6890 CR3: 0000000015955002 CR4: 0000000000772ef0
[   33.109061][  T440] PKRU: 55555554
[   33.109323][  T440] Call Trace:
[   33.109577][  T440]  <TASK>
[ 33.109767][ T440] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.110136][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.110478][ T440] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.110817][ T440] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.111240][ T440] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.111580][ T440] netif_set_mtu (net/core/dev.c:9652) 
[ 33.111914][ T440] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.112269][ T440] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.112733][ T440] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.112991][ T440] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.113456][ T440] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.113842][ T440] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.114189][ T440] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.114530][ T440] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.114945][ T440] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.115287][ T440] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.115616][ T440] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.115959][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.116306][ T440] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.116654][ T440] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.117071][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.117427][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.117765][ T440] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.118116][ T440] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.118464][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.118808][ T440] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.119160][ T440] ? __create_object (mm/kmemleak.c:771) 
[ 33.119499][ T440] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.119848][ T440] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.120202][ T440] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.120621][ T440] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.120966][ T440] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.121334][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.121679][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.122022][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.122372][ T440] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.122701][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.123034][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.123377][ T440] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.123726][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.124089][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.124433][ T440] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.124772][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.125128][ T440] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.125485][ T440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.125824][ T440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.126178][ T440] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.126533][ T440] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.126874][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.127241][ T440] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.127582][ T440] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.127926][ T440] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.128278][ T440] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.128614][ T440] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.128974][ T440] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.129410][ T440] ___sys_sendmsg (net/socket.c:2670) 
[ 33.129760][ T440] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.130125][ T440] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.130542][ T440] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.130877][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.131226][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.131572][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.131907][ T440] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.132250][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.132590][ T440] __sys_sendmsg (net/socket.c:2700) 
[ 33.132913][ T440] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.133330][ T440] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.133672][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.134004][ T440] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.134351][ T440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.134757][  T440] RIP: 0033:0x7f55fff651e7
[ 33.135118][ T440] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.136268][  T440] RSP: 002b:00007fff1fd1bb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.136808][  T440] RAX: ffffffffffffffda RBX: 00007fff1fd1c2b0 RCX: 00007f55fff651e7
[   33.137313][  T440] RDX: 0000000000000000 RSI: 00007fff1fd1bbf0 RDI: 0000000000000005
[   33.137823][  T440] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.138348][  T440] R10: 00000000353b7910 R11: 0000000000000246 R12: 0000000000000004
[   33.138852][  T440] R13: 00000000686e1e17 R14: 0000000000499600 R15: 0000000000000000
| [   74.686709][  T812] ------------[ cut here ]------------
| [ 74.687031][ T812] WARNING: CPU: 3 PID: 812 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   74.687655][  T812] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   74.689093][  T812] Tainted: [W]=WARN
[   74.689323][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.689701][ T812] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 74.690044][ T812] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   74.691174][  T812] RSP: 0018:ffffc900008f6f70 EFLAGS: 00010246
[   74.691558][  T812] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   74.692013][  T812] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   74.693218][  T812] RBP: ffffc900008f7058 R08: 0000000000000000 R09: 0000000000000000
[   74.693681][  T812] R10: ffffc900008f7088 R11: ffffffff8c400130 R12: 1ffff9200011edf2
[   74.694152][  T812] R13: 00000000000005dc R14: ffffc900008f7088 R15: ffff8880127caf08
[   74.694610][  T812] FS:  00007fe183dce800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   74.695159][  T812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.695550][  T812] CR2: 00000000004e5ab0 CR3: 0000000008d55002 CR4: 0000000000772ef0
[   74.696004][  T812] PKRU: 55555554
[   74.696245][  T812] Call Trace:
[   74.696475][  T812]  <TASK>
[ 74.696638][ T812] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.697034][ T812] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 74.697400][ T812] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 74.697704][ T812] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.698014][ T812] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.698328][ T812] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 74.698634][ T812] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.698944][ T812] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.699265][ T812] ? ___sys_sendmsg (net/socket.c:2670) 
[ 74.699568][ T812] ? __sys_sendmsg (net/socket.c:2700) 
[ 74.699881][ T812] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.700211][ T812] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 74.700605][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.700916][ T812] netif_set_mtu (net/core/dev.c:9652) 
[ 74.701248][ T812] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.701568][ T812] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.701797][ T812] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 74.702260][ T812] br_del_if (net/bridge/br_if.c:743) bridge 
[ 74.702607][ T812] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 74.702917][ T812] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 74.703242][ T812] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.703551][ T812] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.703934][ T812] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.704251][ T812] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.704607][ T812] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.704916][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.705231][ T812] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 74.705537][ T812] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.705912][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.706233][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.706541][ T812] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.706841][ T812] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.707152][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.707455][ T812] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.707754][ T812] ? __create_object (mm/kmemleak.c:771) 
[ 74.708060][ T812] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.708370][ T812] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.708699][ T812] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.709099][ T812] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.709414][ T812] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.709744][ T812] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.710068][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.710430][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.710737][ T812] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.711038][ T812] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.711366][ T812] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.711676][ T812] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.711981][ T812] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.712295][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.712604][ T812] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.712923][ T812] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.713243][ T812] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.713561][ T812] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.713892][ T812] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 74.714218][ T812] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 74.714536][ T812] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.714841][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.715166][ T812] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.715501][ T812] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.715811][ T812] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.716147][ T812] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.716453][ T812] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.716757][ T812] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.717172][ T812] ___sys_sendmsg (net/socket.c:2670) 
[ 74.717485][ T812] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.717796][ T812] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.718183][ T812] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.718497][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.718820][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.719153][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.719458][ T812] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.719760][ T812] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.720103][ T812] __sys_sendmsg (net/socket.c:2700) 
[ 74.720427][ T812] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.720810][ T812] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.721157][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.721461][ T812] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.721782][ T812] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.722166][  T812] RIP: 0033:0x7fe183f9b1e7
[ 74.722499][ T812] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   74.723590][  T812] RSP: 002b:00007ffe50caddb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.724048][  T812] RAX: ffffffffffffffda RBX: 00007ffe50cae4e0 RCX: 00007fe183f9b1e7
[   74.724757][  T812] RDX: 0000000000000000 RSI: 00007ffe50cade20 RDI: 0000000000000005
[   74.725233][  T812] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.725713][  T812] R10: 00007fe183e98ee8 R11: 0000000000000246 R12: 0000000000000003
[   74.726396][  T812] R13: 00000000686e1e41 R14: 0000000000499600 R15: 0000000000000000
| [   75.069613][  T815] ------------[ cut here ]------------
| [ 75.070067][ T815] WARNING: CPU: 0 PID: 815 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   75.070729][  T815] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   75.072408][  T815] Tainted: [W]=WARN
[   75.072723][  T815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.073139][ T815] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 75.073614][ T815] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   75.075668][  T815] RSP: 0018:ffffc90000ce6f70 EFLAGS: 00010246
[   75.076160][  T815] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   75.076676][  T815] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   75.077145][  T815] RBP: ffffc90000ce7058 R08: 0000000000000000 R09: 0000000000000000
[   75.077701][  T815] R10: ffffc90000ce7088 R11: ffffffff90579160 R12: 1ffff9200019cdf2
[   75.078255][  T815] R13: 00000000000005dc R14: ffffc90000ce7088 R15: ffff8880127caf08
[   75.078846][  T815] FS:  00007fb6b8a44800(0000) GS:ffff8880a40b7000(0000) knlGS:0000000000000000
[   75.079607][  T815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.080113][  T815] CR2: 00000000004e5aa8 CR3: 0000000015949002 CR4: 0000000000772ef0
[   75.080715][  T815] PKRU: 55555554
[   75.080944][  T815] Call Trace:
[   75.081209][  T815]  <TASK>
[ 75.081427][ T815] ? __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) 
[ 75.081808][ T815] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 75.082164][ T815] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.082493][ T815] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.082939][ T815] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.083307][ T815] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.083736][ T815] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.084054][ T815] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.084600][ T815] ? ___sys_sendmsg (net/socket.c:2670) 
[ 75.085047][ T815] ? __sys_sendmsg (net/socket.c:2700) 
[ 75.085422][ T815] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.085916][ T815] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 75.086493][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.086820][ T815] netif_set_mtu (net/core/dev.c:9652) 
[ 75.087243][ T815] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 75.087676][ T815] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 75.087957][ T815] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 75.088489][ T815] br_del_if (net/bridge/br_if.c:743) bridge 
[ 75.089012][ T815] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 75.089363][ T815] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.089692][ T815] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.090112][ T815] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 75.090641][ T815] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 75.090968][ T815] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 75.091422][ T815] ? __kernel_text_address (kernel/extable.c:79) 
[ 75.091750][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.092092][ T815] ? __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) 
[ 75.092500][ T815] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 75.092946][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.093275][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.093611][ T815] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 75.094017][ T815] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 75.094433][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.094760][ T815] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.095183][ T815] ? __create_object (mm/kmemleak.c:771) 
[ 75.095594][ T815] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 75.095947][ T815] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 75.096393][ T815] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 75.096975][ T815] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 75.097384][ T815] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.097713][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.098140][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.098482][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.098806][ T815] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.099211][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.099622][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.099954][ T815] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.100428][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.100808][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.101234][ T815] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.101587][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.101909][ T815] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.102354][ T815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.102679][ T815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 75.103097][ T815] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.103455][ T815] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.103785][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.104119][ T815] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.104543][ T815] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.104912][ T815] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.105253][ T815] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.105587][ T815] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.105909][ T815] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.106342][ T815] ___sys_sendmsg (net/socket.c:2670) 
[ 75.106753][ T815] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 75.107089][ T815] ? __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) 
[ 75.107601][ T815] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.107925][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.108260][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.108722][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.109048][ T815] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 75.109391][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.109718][ T815] __sys_sendmsg (net/socket.c:2700) 
[ 75.110046][ T815] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 75.110465][ T815] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.110798][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.111132][ T815] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.111483][ T815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.111887][  T815] RIP: 0033:0x7fb6b8c111e7
[ 75.112226][ T815] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   75.113400][  T815] RSP: 002b:00007fff024a5b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.113885][  T815] RAX: ffffffffffffffda RBX: 00007fff024a6240 RCX: 00007fb6b8c111e7
[   75.114495][  T815] RDX: 0000000000000000 RSI: 00007fff024a5b80 RDI: 0000000000000005
[   75.115111][  T815] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   75.115727][  T815] R10: 00007fb6b8b0eee8 R11: 0000000000000246 R12: 0000000000000003
[   75.116223][  T815] R13: 00000000686e1e41 R14: 0000000000499600 R15: 0000000000000000
| [   75.347553][  T817] ------------[ cut here ]------------
| [ 75.347872][ T817] WARNING: CPU: 3 PID: 817 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   75.348583][  T817] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   75.350096][  T817] Tainted: [W]=WARN
[   75.350331][  T817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.350733][ T817] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 75.351088][ T817] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   75.352238][  T817] RSP: 0018:ffffc90000cf6f70 EFLAGS: 00010246
[   75.352639][  T817] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   75.353123][  T817] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   75.353599][  T817] RBP: ffffc90000cf7058 R08: 0000000000000000 R09: 0000000000000000
[   75.354102][  T817] R10: ffffc90000cf7088 R11: ffffffff90579160 R12: 1ffff9200019edf2
[   75.354575][  T817] R13: 00000000000005dc R14: ffffc90000cf7088 R15: ffff8880127caf08
[   75.355051][  T817] FS:  00007f5d32fb9800(0000) GS:ffff8880a4237000(0000) knlGS:0000000000000000
[   75.355613][  T817] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.356013][  T817] CR2: 00000000004e5de8 CR3: 0000000015949005 CR4: 0000000000772ef0
[   75.356536][  T817] PKRU: 55555554
[   75.356779][  T817] Call Trace:
[   75.357020][  T817]  <TASK>
[ 75.357205][ T817] ? __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) 
[ 75.357616][ T817] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 75.357979][ T817] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.358377][ T817] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.358710][ T817] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.359027][ T817] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.359364][ T817] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.359682][ T817] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.360030][ T817] ? ___sys_sendmsg (net/socket.c:2670) 
[ 75.360356][ T817] ? __sys_sendmsg (net/socket.c:2700) 
[ 75.360672][ T817] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.360987][ T817] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 75.361395][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.361723][ T817] netif_set_mtu (net/core/dev.c:9652) 
[ 75.362043][ T817] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 75.362401][ T817] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 75.362654][ T817] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 75.363115][ T817] br_del_if (net/bridge/br_if.c:743) bridge 
[ 75.363488][ T817] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 75.363809][ T817] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.364158][ T817] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.364482][ T817] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 75.364891][ T817] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 75.365224][ T817] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 75.365544][ T817] ? __kernel_text_address (kernel/extable.c:79) 
[ 75.365879][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.366224][ T817] ? __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) 
[ 75.366553][ T817] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 75.366955][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.367284][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.367603][ T817] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 75.367956][ T817] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 75.368292][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.368636][ T817] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.368961][ T817] ? __create_object (mm/kmemleak.c:771) 
[ 75.369303][ T817] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 75.369611][ T817] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 75.369928][ T817] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 75.370331][ T817] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 75.370643][ T817] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.370986][ T817] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.371324][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.371636][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.371939][ T817] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.372269][ T817] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.372606][ T817] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.372938][ T817] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.373286][ T817] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.373604][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.373930][ T817] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.374255][ T817] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.374601][ T817] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.374931][ T817] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.375258][ T817] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 75.375577][ T817] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.375885][ T817] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.376212][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.376536][ T817] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.376853][ T817] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.377176][ T817] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.377489][ T817] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.377810][ T817] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.378121][ T817] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.378556][ T817] ___sys_sendmsg (net/socket.c:2670) 
[ 75.378859][ T817] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 75.379171][ T817] ? __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) 
[ 75.379571][ T817] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.379895][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.380224][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.380534][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.380846][ T817] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 75.381158][ T817] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.381473][ T817] __sys_sendmsg (net/socket.c:2700) 
[ 75.381788][ T817] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 75.382172][ T817] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.382490][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.382803][ T817] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.383135][ T817] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.383519][  T817] RIP: 0033:0x7f5d331861e7
[ 75.383831][ T817] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   75.384938][  T817] RSP: 002b:00007ffd9eacfd28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.385437][  T817] RAX: ffffffffffffffda RBX: 00007ffd9ead0450 RCX: 00007f5d331861e7
[   75.385921][  T817] RDX: 0000000000000000 RSI: 00007ffd9eacfd90 RDI: 0000000000000005
[   75.386413][  T817] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   75.386888][  T817] R10: 00007f5d33083ee8 R11: 0000000000000246 R12: 0000000000000003
[   75.387378][  T817] R13: 00000000686e1e42 R14: 0000000000499600 R15: 0000000000000000
| [   75.918004][  T821] ------------[ cut here ]------------
| [ 75.918342][ T821] WARNING: CPU: 1 PID: 821 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   75.918939][  T821] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   75.920632][  T821] Tainted: [W]=WARN
[   75.920865][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.921252][ T821] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 75.921570][ T821] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   75.922670][  T821] RSP: 0018:ffffc90000d16f70 EFLAGS: 00010246
[   75.923055][  T821] RAX: 0000000000000000 RBX: ffff8880127ca000 RCX: 0000000000000001
[   75.923529][  T821] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   75.923983][  T821] RBP: ffffc90000d17058 R08: 0000000000000000 R09: 0000000000000000
[   75.924495][  T821] R10: ffffc90000d17088 R11: ffffffff90579160 R12: 1ffff920001a2df2
[   75.924954][  T821] R13: 00000000000005dc R14: ffffc90000d17088 R15: ffff8880127caf08
[   75.925422][  T821] FS:  00007f2bda1e8800(0000) GS:ffff8880a4137000(0000) knlGS:0000000000000000
[   75.925955][  T821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.926345][  T821] CR2: 00000000004e5ce0 CR3: 000000000539f004 CR4: 0000000000772ef0
[   75.926805][  T821] PKRU: 55555554
[   75.927033][  T821] Call Trace:
[   75.927294][  T821]  <TASK>
[ 75.927452][ T821] ? __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) 
[ 75.927835][ T821] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 75.928187][ T821] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.928521][ T821] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.928831][ T821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.929143][ T821] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.929450][ T821] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.929751][ T821] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.930072][ T821] ? ___sys_sendmsg (net/socket.c:2670) 
[ 75.930388][ T821] ? __sys_sendmsg (net/socket.c:2700) 
[ 75.930688][ T821] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.930990][ T821] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 75.931393][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.931707][ T821] netif_set_mtu (net/core/dev.c:9652) 
[ 75.932011][ T821] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 75.932368][ T821] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 75.932604][ T821] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 75.933026][ T821] br_del_if (net/bridge/br_if.c:743) bridge 
[ 75.933377][ T821] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 75.933685][ T821] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 75.934000][ T821] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 75.934315][ T821] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 75.934698][ T821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 75.935001][ T821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 75.935349][ T821] ? __kernel_text_address (kernel/extable.c:79) 
[ 75.935695][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.936006][ T821] ? __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) 
[ 75.936365][ T821] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 75.936844][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.937167][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.937486][ T821] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 75.937880][ T821] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 75.938202][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.938524][ T821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.938833][ T821] ? __create_object (mm/kmemleak.c:771) 
[ 75.939162][ T821] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 75.939491][ T821] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 75.939807][ T821] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 75.940201][ T821] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 75.940552][ T821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.940865][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.941183][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.941531][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.941847][ T821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.942158][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.942482][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.942784][ T821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.943117][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.943446][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.943761][ T821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.944064][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.944458][ T821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.944836][ T821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.945248][ T821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 75.945674][ T821] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.946103][ T821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.946630][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.947008][ T821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.947445][ T821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.947879][ T821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.948217][ T821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.948533][ T821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.948836][ T821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.949384][ T821] ___sys_sendmsg (net/socket.c:2670) 
[ 75.949789][ T821] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 75.950114][ T821] ? __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) 
[ 75.950571][ T821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.950884][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.951220][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.951541][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.951848][ T821] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 75.952168][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.952497][ T821] __sys_sendmsg (net/socket.c:2700) 
[ 75.952801][ T821] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 75.953194][ T821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.953543][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.953914][ T821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.954237][ T821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.954696][  T821] RIP: 0033:0x7f2bda3b51e7
[ 75.955012][ T821] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   75.956143][  T821] RSP: 002b:00007fffe419ec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.956621][  T821] RAX: ffffffffffffffda RBX: 00007fffe419f360 RCX: 00007f2bda3b51e7
[   75.957190][  T821] RDX: 0000000000000000 RSI: 00007fffe419eca0 RDI: 0000000000000005
[   75.957735][  T821] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   75.958266][  T821] R10: 00007f2bda2b2ee8 R11: 0000000000000246 R12: 0000000000000003


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