======================================
| [   24.572459][  T346] br1: port 1(vx10) entered forwarding state
| [   24.573797][  T346] ------------[ cut here ]------------
| [ 24.574184][ T346] WARNING: CPU: 0 PID: 346 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) 
| [   24.574935][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   24.576345][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.576772][ T346] 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) 
[ 24.577138][ T346] 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
[   24.578501][  T346] RSP: 0018:ffffc900006b6ef0 EFLAGS: 00010246
[   24.578937][  T346] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   24.579460][  T346] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   24.579955][  T346] RBP: ffffc900006b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.580444][  T346] R10: ffffc900006b7010 R11: ffffffffb6ea8918 R12: 1ffff920000d6de2
[   24.580938][  T346] R13: 00000000000005dc R14: ffffc900006b7010 R15: ffff88800e8eaf08
[   24.581440][  T346] FS:  00007f0318028800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   24.582019][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.582441][  T346] CR2: 00000000004e5ce0 CR3: 0000000005160006 CR4: 0000000000772ef0
[   24.582931][  T346] PKRU: 55555554
[   24.583188][  T346] Call Trace:
[   24.583437][  T346]  <TASK>
[ 24.583605][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.583937][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.584314][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.584635][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.585068][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.585388][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 24.585716][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.586071][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.586538][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.586790][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.587243][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.587611][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.587938][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.588282][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.588688][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.589033][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.589352][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.589689][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.590038][ T346] ? __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) 
[ 24.590362][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.590760][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.591089][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.591414][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.591731][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.592059][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.592375][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.592700][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 24.593052][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.593372][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.593713][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.594139][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.594492][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.594826][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.595154][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.595493][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.595817][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.596152][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.596482][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.596803][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.597146][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.597470][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.597795][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.598134][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.598453][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.598791][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.599120][ T346] ? 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) 
[ 24.599439][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.599759][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.600091][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.600417][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.600742][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.601077][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.601414][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.601758][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.602090][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.602501][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 24.602822][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.603153][ T346] ? __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) 
[ 24.603559][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.603884][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.604223][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.604565][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.604887][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.605222][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.605549][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 24.605879][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.606288][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.606626][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.606963][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.607305][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.607729][  T346] RIP: 0033:0x7f03181f51e7
[ 24.608089][ T346] 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)
[   24.609311][  T346] RSP: 002b:00007ffcc14dec88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.609826][  T346] RAX: ffffffffffffffda RBX: 00007ffcc14df3b0 RCX: 00007f03181f51e7
[   24.610327][  T346] RDX: 0000000000000000 RSI: 00007ffcc14decf0 RDI: 0000000000000005
[   24.610823][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.611332][  T346] R10: 00000000228ad910 R11: 0000000000000246 R12: 0000000000000004
[   24.611836][  T346] R13: 00000000686e3dfb R14: 0000000000499600 R15: 0000000000000000
| [   25.087067][  T351] ------------[ cut here ]------------
| [ 25.087407][ T351] WARNING: CPU: 2 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.088822][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   25.090141][  T351] Tainted: [W]=WARN
[   25.090399][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.090802][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.091145][ T351] 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
[   25.092267][  T351] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   25.092679][  T351] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   25.093166][  T351] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   25.093641][  T351] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.094122][  T351] R10: ffffc90000597010 R11: ffffffffb6ea8918 R12: 1ffff920000b2de2
[   25.094615][  T351] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800e8eaf08
[   25.095106][  T351] FS:  00007fc8e5c84800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   25.095677][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.096088][  T351] CR2: 00000000004e5de8 CR3: 000000000cb98004 CR4: 0000000000772ef0
[   25.096583][  T351] PKRU: 55555554
[   25.096831][  T351] Call Trace:
[   25.097092][  T351]  <TASK>
[ 25.097274][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.097616][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.097960][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.098310][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.098718][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.099069][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 25.099415][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.099767][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.100247][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.100522][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.100988][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.101376][ T351] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.101721][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.102074][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.102498][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.102832][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.103177][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.103513][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.103853][ T351] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.104196][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.104638][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.105212][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.105744][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.106299][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.106832][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.107418][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.107972][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 25.108545][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.109141][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.109661][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.110386][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.110971][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.111575][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.112417][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.113025][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.113603][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.114195][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.114805][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.115381][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.115972][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.116568][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.117173][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.117746][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.118350][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.118952][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.119530][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.120083][ T351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.120673][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.121256][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.121857][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.122458][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.123064][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.123650][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.124260][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.124852][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.125615][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 25.126202][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.126776][ T351] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.127507][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.128095][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.128695][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.129759][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.130183][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.130547][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.130891][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 25.131693][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.132123][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.132493][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.133115][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.133655][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.134082][  T351] RIP: 0033:0x7fc8e5e511e7
[ 25.134465][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.135905][  T351] RSP: 002b:00007ffeccf2a158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.136660][  T351] RAX: ffffffffffffffda RBX: 00007ffeccf2a880 RCX: 00007fc8e5e511e7
[   25.137181][  T351] RDX: 0000000000000000 RSI: 00007ffeccf2a1c0 RDI: 0000000000000005
[   25.137697][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.138461][  T351] R10: 0000000024cdf910 R11: 0000000000000246 R12: 0000000000000004
[   25.138966][  T351] R13: 00000000686e3dfb R14: 0000000000499600 R15: 0000000000000000
| [   25.386861][  T353] ------------[ cut here ]------------
| [ 25.387330][ T353] WARNING: CPU: 2 PID: 353 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.388022][  T353] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   25.389714][  T353] Tainted: [W]=WARN
[   25.389960][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.390383][ T353] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.390720][ T353] 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
[   25.391917][  T353] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   25.392370][  T353] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   25.392858][  T353] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   25.393355][  T353] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.393832][  T353] R10: ffffc90000607010 R11: ffffffffb6ea8918 R12: 1ffff920000c0de2
[   25.394342][  T353] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800e8eaf08
[   25.394811][  T353] FS:  00007f0c31118800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   25.395392][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.395802][  T353] CR2: 00000000004e5aa8 CR3: 000000000d22f001 CR4: 0000000000772ef0
[   25.396303][  T353] PKRU: 55555554
[   25.396557][  T353] Call Trace:
[   25.396807][  T353]  <TASK>
[ 25.396997][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.397337][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.397670][ T353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.397997][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.398409][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.398731][ T353] netif_set_mtu (net/core/dev.c:9652) 
[ 25.399099][ T353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.399432][ T353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.399885][ T353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.400171][ T353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.400630][ T353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.401004][ T353] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.401339][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.401679][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.402102][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.402431][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.402759][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.403092][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.403421][ T353] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.403738][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.404167][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.404530][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.404846][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.405190][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.405518][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.405833][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.406160][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 25.406483][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.406814][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.407146][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.407557][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.407891][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.408251][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.408575][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.408900][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.409229][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.409561][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.409881][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.410222][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.410544][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.410867][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.411210][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.411538][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.411861][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.412221][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.412558][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.412881][ T353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.413227][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.413560][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.413883][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.414223][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.414544][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.414881][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.415217][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.415538][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.415945][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 25.416291][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.416618][ T353] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.417024][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.417358][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.417687][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.418021][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.418344][ T353] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.418688][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.419026][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 25.419343][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.419734][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.420089][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.420424][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.420741][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.421143][  T353] RIP: 0033:0x7f0c312e51e7
[ 25.421478][ T353] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.422619][  T353] RSP: 002b:00007ffc2f356f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.423103][  T353] RAX: ffffffffffffffda RBX: 00007ffc2f357630 RCX: 00007f0c312e51e7
[   25.423574][  T353] RDX: 0000000000000000 RSI: 00007ffc2f356f70 RDI: 0000000000000005
[   25.424063][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.424563][  T353] R10: 000000002f995910 R11: 0000000000000246 R12: 0000000000000004
[   25.425041][  T353] R13: 00000000686e3dfc R14: 0000000000499600 R15: 0000000000000000
| [   25.917685][  T358] ------------[ cut here ]------------
| [ 25.918016][ T358] WARNING: CPU: 0 PID: 358 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.918629][  T358] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   25.919905][  T358] Tainted: [W]=WARN
[   25.920166][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.920551][ T358] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.920868][ T358] 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
[   25.921972][  T358] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246
[   25.922377][  T358] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   25.922845][  T358] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   25.923319][  T358] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.923782][  T358] R10: ffffc90000667010 R11: ffffffffb6ea8918 R12: 1ffff920000ccde2
[   25.924269][  T358] R13: 00000000000005dc R14: ffffc90000667010 R15: ffff88800e8eaf08
[   25.924729][  T358] FS:  00007f46ef7ed800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   25.925283][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.925677][  T358] CR2: 00000000004e5ab0 CR3: 000000000963d006 CR4: 0000000000772ef0
[   25.926149][  T358] PKRU: 55555554
[   25.926384][  T358] Call Trace:
[   25.926611][  T358]  <TASK>
[ 25.926772][ T358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.927088][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.927404][ T358] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.927717][ T358] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.928129][ T358] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.928439][ T358] netif_set_mtu (net/core/dev.c:9652) 
[ 25.928757][ T358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.929084][ T358] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.929515][ T358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.929748][ T358] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.930194][ T358] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.930558][ T358] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.930883][ T358] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.931202][ T358] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.931596][ T358] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.931904][ T358] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.932228][ T358] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.932555][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.932865][ T358] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.933195][ T358] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.933577][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.933889][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.934237][ T358] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.934552][ T358] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.934860][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.935179][ T358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.935481][ T358] ? __create_object (mm/kmemleak.c:771) 
[ 25.935810][ T358] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.936139][ T358] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.936461][ T358] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.936841][ T358] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.937159][ T358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.937473][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.937778][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.938095][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.938409][ T358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.938711][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.939075][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.939384][ T358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.939693][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.940024][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.940337][ T358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.940642][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.940949][ T358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.941270][ T358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.941573][ T358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.941879][ T358] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.942201][ T358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.942507][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.942820][ T358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.943136][ T358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.943442][ T358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.943757][ T358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.944089][ T358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.944410][ T358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.944801][ T358] ___sys_sendmsg (net/socket.c:2670) 
[ 25.945114][ T358] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.945419][ T358] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.945801][ T358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.946123][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.946428][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.946748][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.947065][ T358] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.947372][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.947686][ T358] __sys_sendmsg (net/socket.c:2700) 
[ 25.948011][ T358] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.948391][ T358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.948708][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.949025][ T358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.949343][ T358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.949722][  T358] RIP: 0033:0x7f46ef9ba1e7
[ 25.950047][ T358] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.951141][  T358] RSP: 002b:00007ffefe39a848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.951608][  T358] RAX: ffffffffffffffda RBX: 00007ffefe39af70 RCX: 00007f46ef9ba1e7
[   25.952082][  T358] RDX: 0000000000000000 RSI: 00007ffefe39a8b0 RDI: 0000000000000005
[   25.952542][  T358] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.953007][  T358] R10: 0000000007e25910 R11: 0000000000000246 R12: 0000000000000004
[   25.953471][  T358] R13: 00000000686e3dfc R14: 0000000000499600 R15: 0000000000000000
| [   30.952752][  T408] ------------[ cut here ]------------
| [ 30.953230][ T408] WARNING: CPU: 0 PID: 408 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) 
| [   30.954274][  T408] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.956516][  T408] Tainted: [W]=WARN
[   30.956924][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.957619][ T408] 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) 
[ 30.958202][ T408] 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
[   30.960154][  T408] RSP: 0018:ffffc90000a56ef0 EFLAGS: 00010246
[   30.960840][  T408] RAX: 0000000000000000 RBX: ffff888008dfa000 RCX: 0000000000000001
[   30.961680][  T408] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   30.962518][  T408] RBP: ffffc90000a56fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.963333][  T408] R10: ffffc90000a57010 R11: ffffffffb6579160 R12: 1ffff9200014ade2
[   30.964149][  T408] R13: 00000000000005dc R14: ffffc90000a57010 R15: ffff888008dfaf08
[   30.964957][  T408] FS:  00007f7948b7d800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   30.965914][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.966610][  T408] CR2: 00000000004e6898 CR3: 000000000f590001 CR4: 0000000000772ef0
[   30.967430][  T408] PKRU: 55555554
[   30.967735][  T408] Call Trace:
[   30.968092][  T408]  <TASK>
[ 30.968373][ T408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.968918][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.969525][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.970081][ T408] netif_set_mtu (net/core/dev.c:9652) 
[ 30.970624][ T408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.971271][ T408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.971596][ T408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.972276][ T408] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.972775][ T408] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.973290][ T408] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.973851][ T408] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.974558][ T408] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.975114][ T408] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.975650][ T408] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.976210][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.976762][ T408] ? __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) 
[ 30.977309][ T408] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.977996][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.978541][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.979113][ T408] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.979649][ T408] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.980202][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.980743][ T408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.981290][ T408] ? __create_object (mm/kmemleak.c:771) 
[ 30.981837][ T408] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.982394][ T408] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.982931][ T408] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.983605][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.984172][ T408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.984736][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.985282][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.985837][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.986397][ T408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.986927][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.987480][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.988036][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.988578][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.989130][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.989681][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.990239][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.990783][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.991358][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.991895][ T408] ? 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) 
[ 30.992450][ T408] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.993017][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.993558][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.994130][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.994690][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.995247][ T408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.995804][ T408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.996364][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.996900][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.997602][ T408] ___sys_sendmsg (net/socket.c:2670) 
[ 30.998158][ T408] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.998694][ T408] ? __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) 
[ 30.999379][ T408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.999927][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.000484][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.001047][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.001588][ T408] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.002142][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.002698][ T408] __sys_sendmsg (net/socket.c:2700) 
[ 31.003248][ T408] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.003917][ T408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.004507][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.005063][ T408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.005617][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.006299][  T408] RIP: 0033:0x7f7948d4a1e7
[ 31.006864][ T408] 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)
[   31.008795][  T408] RSP: 002b:00007fff7a14c798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.009610][  T408] RAX: ffffffffffffffda RBX: 00007fff7a14cec0 RCX: 00007f7948d4a1e7
[   31.010438][  T408] RDX: 0000000000000000 RSI: 00007fff7a14c800 RDI: 0000000000000005
[   31.011254][  T408] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.012070][  T408] R10: 00000000294f4910 R11: 0000000000000246 R12: 0000000000000004
[   31.012881][  T408] R13: 00000000686e3e01 R14: 0000000000499600 R15: 0000000000000000
| [   31.947253][  T416] ------------[ cut here ]------------
| [ 31.947589][ T416] WARNING: CPU: 3 PID: 416 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) 
| [   31.948234][  T416] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.949548][  T416] Tainted: [W]=WARN
[   31.949788][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.950190][ T416] 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) 
[ 31.950519][ T416] 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
[   31.951663][  T416] RSP: 0018:ffffc90000b7eef0 EFLAGS: 00010246
[   31.952093][  T416] RAX: 0000000000000000 RBX: ffff888008dfa000 RCX: 0000000000000001
[   31.952565][  T416] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   31.953053][  T416] RBP: ffffc90000b7efe0 R08: 0000000000000000 R09: 0000000000000000
[   31.953529][  T416] R10: ffffc90000b7f010 R11: ffffffffb6579160 R12: 1ffff9200016fde2
[   31.954015][  T416] R13: 00000000000005dc R14: ffffc90000b7f010 R15: ffff888008dfaf08
[   31.954508][  T416] FS:  00007f0878b29800(0000) GS:ffff888077437000(0000) knlGS:0000000000000000
[   31.955078][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.955480][  T416] CR2: 00000000004e5ce0 CR3: 000000000f5e7006 CR4: 0000000000772ef0
[   31.955956][  T416] PKRU: 55555554
[   31.956207][  T416] Call Trace:
[   31.956448][  T416]  <TASK>
[ 31.956615][ T416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.956940][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.957288][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.957611][ T416] netif_set_mtu (net/core/dev.c:9652) 
[ 31.957936][ T416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.958283][ T416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.958525][ T416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.958978][ T416] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.959360][ T416] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.959688][ T416] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.960026][ T416] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.960432][ T416] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.960762][ T416] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.961096][ T416] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.961428][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.961757][ T416] ? __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) 
[ 31.962093][ T416] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.962494][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.962816][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.963148][ T416] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.963467][ T416] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.963787][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.964113][ T416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.964436][ T416] ? __create_object (mm/kmemleak.c:771) 
[ 31.964761][ T416] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.965088][ T416] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.965407][ T416] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.965798][ T416] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.966132][ T416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.966454][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.966770][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.967102][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.967424][ T416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.967737][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.968066][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.968380][ T416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.968695][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.969027][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.969353][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.969676][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.970006][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.970337][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.970650][ T416] ? 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) 
[ 31.970966][ T416] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.971303][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.971621][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.971953][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.972288][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.972608][ T416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.972935][ T416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.973273][ T416] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.973597][ T416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.974015][ T416] ___sys_sendmsg (net/socket.c:2670) 
[ 31.974345][ T416] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.974661][ T416] ? __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) 
[ 31.975071][ T416] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.975393][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.975721][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.976054][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.976369][ T416] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.976692][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.977028][ T416] __sys_sendmsg (net/socket.c:2700) 
[ 31.977343][ T416] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.977737][ T416] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.978079][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.978398][ T416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.978720][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.979122][  T416] RIP: 0033:0x7f0878cf61e7
[ 31.979454][ T416] 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)
[   31.980582][  T416] RSP: 002b:00007ffcfd92c2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.981069][  T416] RAX: ffffffffffffffda RBX: 00007ffcfd92ca10 RCX: 00007f0878cf61e7
[   31.981546][  T416] RDX: 0000000000000000 RSI: 00007ffcfd92c350 RDI: 0000000000000005
[   31.982028][  T416] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.982502][  T416] R10: 0000000016744910 R11: 0000000000000246 R12: 0000000000000004
[   31.982973][  T416] R13: 00000000686e3e02 R14: 0000000000499600 R15: 0000000000000000
| [   32.893224][  T423] ------------[ cut here ]------------
| [ 32.893537][ T423] WARNING: CPU: 3 PID: 423 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) 
| [   32.894153][  T423] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   32.895473][  T423] Tainted: [W]=WARN
[   32.895720][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.896116][ T423] 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) 
[ 32.896434][ T423] 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
[   32.897536][  T423] RSP: 0018:ffffc90000bdeef0 EFLAGS: 00010246
[   32.897938][  T423] RAX: 0000000000000000 RBX: ffff888008dfa000 RCX: 0000000000000001
[   32.898418][  T423] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   32.898886][  T423] RBP: ffffc90000bdefe0 R08: 0000000000000000 R09: 0000000000000000
[   32.899364][  T423] R10: ffffc90000bdf010 R11: ffffffffb6579160 R12: 1ffff9200017bde2
[   32.899830][  T423] R13: 00000000000005dc R14: ffffc90000bdf010 R15: ffff888008dfaf08
[   32.900305][  T423] FS:  00007f48f7243800(0000) GS:ffff888077437000(0000) knlGS:0000000000000000
[   32.900845][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.901241][  T423] CR2: 00000000004e5de8 CR3: 000000000a907004 CR4: 0000000000772ef0
[   32.901717][  T423] PKRU: 55555554
[   32.901956][  T423] Call Trace:
[   32.902196][  T423]  <TASK>
[ 32.902362][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.902676][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.903002][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.903319][ T423] netif_set_mtu (net/core/dev.c:9652) 
[ 32.903629][ T423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.903955][ T423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.904203][ T423] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.904649][ T423] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.905011][ T423] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.905327][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.905641][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.906034][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.906340][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.906657][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.906967][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.907283][ T423] ? __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) 
[ 32.907603][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.908013][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.908321][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.908634][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.908954][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.909274][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.909586][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.909889][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 32.910209][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.910529][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.910837][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.911229][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.911558][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.911881][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.912197][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.912518][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.912830][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.913152][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.913463][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.913774][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.914102][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.914432][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.914749][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.915066][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.915373][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.915692][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.916009][ T423] ? 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) 
[ 32.916327][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.916650][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.916957][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.917280][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.917602][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.917919][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.918251][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.918591][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.918907][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.919334][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 32.919662][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.919998][ T423] ? __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) 
[ 32.920396][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.920719][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.921058][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.921390][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.921712][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.922039][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.922373][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 32.922694][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.923100][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.923439][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.923767][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.924096][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.924512][  T423] RIP: 0033:0x7f48f74101e7
[ 32.924844][ T423] 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)
[   32.926010][  T423] RSP: 002b:00007ffd52a99738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.926490][  T423] RAX: ffffffffffffffda RBX: 00007ffd52a99e60 RCX: 00007f48f74101e7
[   32.926970][  T423] RDX: 0000000000000000 RSI: 00007ffd52a997a0 RDI: 0000000000000005
[   32.927463][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.927953][  T423] R10: 0000000027c11910 R11: 0000000000000246 R12: 0000000000000004
[   32.928443][  T423] R13: 00000000686e3e03 R14: 0000000000499600 R15: 0000000000000000
| [   37.276127][  T463] ------------[ cut here ]------------
| [ 37.276695][ T463] WARNING: CPU: 3 PID: 463 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) 
| [   37.277761][  T463] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.280048][  T463] Tainted: [W]=WARN
[   37.280476][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.281190][ T463] 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) 
[ 37.281752][ T463] 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
[   37.283697][  T463] RSP: 0018:ffffc90000d2eef0 EFLAGS: 00010246
[   37.284457][  T463] RAX: 0000000000000000 RBX: ffff88800ab4a000 RCX: 0000000000000001
[   37.285311][  T463] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   37.286128][  T463] RBP: ffffc90000d2efe0 R08: 0000000000000000 R09: 0000000000000000
[   37.286931][  T463] R10: ffffc90000d2f010 R11: ffffffffb6579160 R12: 1ffff920001a5de2
[   37.287774][  T463] R13: 00000000000005dc R14: ffffc90000d2f010 R15: ffff88800ab4af08
[   37.288641][  T463] FS:  00007fe957f92800(0000) GS:ffff888077437000(0000) knlGS:0000000000000000
[   37.289587][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.290295][  T463] CR2: 00000000004e6898 CR3: 0000000008e23001 CR4: 0000000000772ef0
[   37.291121][  T463] PKRU: 55555554
[   37.291522][  T463] Call Trace:
[   37.291939][  T463]  <TASK>
[ 37.292252][ T463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.292799][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.293373][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.293927][ T463] netif_set_mtu (net/core/dev.c:9652) 
[ 37.294508][ T463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.295079][ T463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.295500][ T463] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.296302][ T463] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.296925][ T463] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.297504][ T463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.298075][ T463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.298770][ T463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.299327][ T463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.299878][ T463] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.300466][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.301020][ T463] ? __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) 
[ 37.301560][ T463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.302250][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.302786][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.303328][ T463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.303883][ T463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.304481][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.305039][ T463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.305578][ T463] ? __create_object (mm/kmemleak.c:771) 
[ 37.306128][ T463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.306663][ T463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.307249][ T463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.307943][ T463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.308529][ T463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.309110][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.309656][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.310234][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.310779][ T463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.311335][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.311884][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.312447][ T463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.313004][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.313568][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.314127][ T463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.314664][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.315238][ T463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.315813][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.316374][ T463] ? 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) 
[ 37.316929][ T463] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.317482][ T463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.318044][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.318613][ T463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.319196][ T463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.319758][ T463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.320340][ T463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.320903][ T463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.321477][ T463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.322171][ T463] ___sys_sendmsg (net/socket.c:2670) 
[ 37.322718][ T463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.323294][ T463] ? __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) 
[ 37.324011][ T463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.324586][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.325167][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.325747][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.326321][ T463] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.326873][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.327461][ T463] __sys_sendmsg (net/socket.c:2700) 
[ 37.328036][ T463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.328727][ T463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.329330][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.329900][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.330468][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.331156][  T463] RIP: 0033:0x7fe95815f1e7
[ 37.331713][ T463] 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)
[   37.333484][  T463] RSP: 002b:00007ffe59a5ee38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.334300][  T463] RAX: ffffffffffffffda RBX: 00007ffe59a5f560 RCX: 00007fe95815f1e7
[   37.334770][  T463] RDX: 0000000000000000 RSI: 00007ffe59a5eea0 RDI: 0000000000000005
[   37.335237][  T463] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.335697][  T463] R10: 000000000c758910 R11: 0000000000000246 R12: 0000000000000004
[   37.336169][  T463] R13: 00000000686e3e07 R14: 0000000000499600 R15: 0000000000000000
| [   38.400152][  T471] ------------[ cut here ]------------
| [ 38.400509][ T471] WARNING: CPU: 0 PID: 471 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) 
| [   38.401220][  T471] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   38.403411][  T471] Tainted: [W]=WARN
[   38.403664][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.404105][ T471] 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) 
[ 38.404466][ T471] 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
[   38.405659][  T471] RSP: 0018:ffffc90000d6eef0 EFLAGS: 00010246
[   38.406087][  T471] RAX: 0000000000000000 RBX: ffff88800ab4a000 RCX: 0000000000000001
[   38.406590][  T471] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   38.407079][  T471] RBP: ffffc90000d6efe0 R08: 0000000000000000 R09: 0000000000000000
[   38.407550][  T471] R10: ffffc90000d6f010 R11: ffffffffb6579160 R12: 1ffff920001adde2
[   38.408063][  T471] R13: 00000000000005dc R14: ffffc90000d6f010 R15: ffff88800ab4af08
[   38.408570][  T471] FS:  00007fb12b977800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   38.409167][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.409602][  T471] CR2: 00000000004e5ce0 CR3: 000000000a57c003 CR4: 0000000000772ef0
[   38.410095][  T471] PKRU: 55555554
[   38.410348][  T471] Call Trace:
[   38.410588][  T471]  <TASK>
[ 38.410751][ T471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.411092][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.411430][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.411763][ T471] netif_set_mtu (net/core/dev.c:9652) 
[ 38.412094][ T471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.412452][ T471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.412699][ T471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.413167][ T471] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.413569][ T471] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.413917][ T471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.414286][ T471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.414690][ T471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.415023][ T471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.415340][ T471] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.415671][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.416017][ T471] ? __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) 
[ 38.416341][ T471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.416729][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.417065][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.417386][ T471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.417700][ T471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.418051][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.418396][ T471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.418713][ T471] ? __create_object (mm/kmemleak.c:771) 
[ 38.419067][ T471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.419414][ T471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.419727][ T471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.420155][ T471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.420475][ T471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.420789][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.421113][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.421428][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.421737][ T471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.422053][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.422382][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.422704][ T471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.423040][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.423369][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.423698][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.424050][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.424378][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.424706][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.425032][ T471] ? 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) 
[ 38.425357][ T471] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.425691][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.426039][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.426353][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.426668][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.427016][ T471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.427357][ T471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.427687][ T471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.428027][ T471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.428467][ T471] ___sys_sendmsg (net/socket.c:2670) 
[ 38.428779][ T471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.429128][ T471] ? __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) 
[ 38.429532][ T471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.429847][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.430180][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.430519][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.430842][ T471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.431186][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.431508][ T471] __sys_sendmsg (net/socket.c:2700) 
[ 38.431814][ T471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.432230][ T471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.432569][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.432880][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.433214][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.433614][  T471] RIP: 0033:0x7fb12bb441e7
[ 38.433943][ T471] 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)
[   38.435121][  T471] RSP: 002b:00007ffc6bc10538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.435607][  T471] RAX: ffffffffffffffda RBX: 00007ffc6bc10c60 RCX: 00007fb12bb441e7
[   38.436082][  T471] RDX: 0000000000000000 RSI: 00007ffc6bc105a0 RDI: 0000000000000005
[   38.436555][  T471] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.437036][  T471] R10: 000000000ac38910 R11: 0000000000000246 R12: 0000000000000004
[   38.437511][  T471] R13: 00000000686e3e09 R14: 0000000000499600 R15: 0000000000000000
| [   39.325368][  T478] ------------[ cut here ]------------
| [ 39.325689][ T478] WARNING: CPU: 0 PID: 478 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) 
| [   39.326357][  T478] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   39.327691][  T478] Tainted: [W]=WARN
[   39.327947][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.328378][ T478] 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) 
[ 39.328732][ T478] 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
[   39.329891][  T478] RSP: 0018:ffffc90000c8eef0 EFLAGS: 00010246
[   39.330315][  T478] RAX: 0000000000000000 RBX: ffff88800ab4a000 RCX: 0000000000000001
[   39.330807][  T478] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   39.331310][  T478] RBP: ffffc90000c8efe0 R08: 0000000000000000 R09: 0000000000000000
[   39.331800][  T478] R10: ffffc90000c8f010 R11: ffffffffb6ea8918 R12: 1ffff92000191de2
[   39.332302][  T478] R13: 00000000000005dc R14: ffffc90000c8f010 R15: ffff88800ab4af08
[   39.332804][  T478] FS:  00007f8d8fce2800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   39.333387][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.333788][  T478] CR2: 00000000004e5de8 CR3: 000000000f769004 CR4: 0000000000772ef0
[   39.334303][  T478] PKRU: 55555554
[   39.334551][  T478] Call Trace:
[   39.334795][  T478]  <TASK>
[ 39.334967][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.335309][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.335639][ T478] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 39.335977][ T478] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 39.336393][ T478] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 39.336727][ T478] netif_set_mtu (net/core/dev.c:9652) 
[ 39.337066][ T478] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.337424][ T478] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 39.337898][ T478] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.338184][ T478] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 39.338645][ T478] br_add_if (net/bridge/br_if.c:697) bridge 
[ 39.339038][ T478] do_set_master (net/core/rtnetlink.c:2948) 
[ 39.339373][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.339702][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.340145][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.340478][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.340806][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.341166][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.341497][ T478] ? __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) 
[ 39.341835][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.342253][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.342586][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.342930][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.343281][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.343605][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.343932][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.344289][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 39.344622][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.344955][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.345301][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.345699][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.346056][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.346390][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.346721][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.347089][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.347430][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.347754][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.348106][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.348443][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.348770][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.349115][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.349460][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.349789][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.350128][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.350481][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.350804][ T478] ? 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) 
[ 39.351168][ T478] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.351493][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.351817][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.352190][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.352527][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.352856][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.353203][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.353535][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.353861][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.354293][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 39.354621][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.354947][ T478] ? __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) 
[ 39.355368][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.355712][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.356083][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.356431][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.356771][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.357127][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.357516][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 39.357848][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.358297][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.358647][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.358998][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.359337][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.359750][  T478] RIP: 0033:0x7f8d8feaf1e7
[ 39.360149][ T478] 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)
[   39.361403][  T478] RSP: 002b:00007ffe0f552678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.361927][  T478] RAX: ffffffffffffffda RBX: 00007ffe0f552da0 RCX: 00007f8d8feaf1e7
[   39.362438][  T478] RDX: 0000000000000000 RSI: 00007ffe0f5526e0 RDI: 0000000000000005
[   39.362954][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   39.363471][  T478] R10: 0000000003ae6910 R11: 0000000000000246 R12: 0000000000000004
[   39.363946][  T478] R13: 00000000686e3e09 R14: 0000000000499600 R15: 0000000000000000
| [   61.955025][  T620] ------------[ cut here ]------------
| [ 61.955347][ T620] WARNING: CPU: 0 PID: 620 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) 
| [   61.956477][  T620] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   61.957794][  T620] Tainted: [W]=WARN
[   61.958211][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.958700][ T620] 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) 
[ 61.959292][ T620] 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
[   61.961192][  T620] RSP: 0018:ffffc900012eef70 EFLAGS: 00010246
[   61.961866][  T620] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   61.962705][  T620] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   61.963553][  T620] RBP: ffffc900012ef058 R08: 0000000000000000 R09: 0000000000000000
[   61.964383][  T620] R10: ffffc900012ef088 R11: ffffffffb2400130 R12: 1ffff9200025ddf2
[   61.965180][  T620] R13: 00000000000005dc R14: ffffc900012ef088 R15: ffff88800e8eaf08
[   61.966025][  T620] FS:  00007fe13450a800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   61.967020][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.967704][  T620] CR2: 00000000004e5ab0 CR3: 000000000f0e0005 CR4: 0000000000772ef0
[   61.968534][  T620] PKRU: 55555554
[   61.968948][  T620] Call Trace:
[   61.969381][  T620]  <TASK>
[ 61.969660][ T620] ? __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) 
[ 61.970366][ T620] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.971043][ T620] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.971599][ T620] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.972163][ T620] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.972717][ T620] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.973283][ T620] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.973833][ T620] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.974416][ T620] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.974963][ T620] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.975540][ T620] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.976100][ T620] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.976748][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.977304][ T620] netif_set_mtu (net/core/dev.c:9652) 
[ 61.977842][ T620] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.978432][ T620] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.978850][ T620] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.979614][ T620] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.980219][ T620] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.980751][ T620] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.981286][ T620] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.981830][ T620] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.982510][ T620] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.983054][ T620] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.983567][ T620] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.984110][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.984644][ T620] ? __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) 
[ 61.985174][ T620] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.985825][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.986378][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.986924][ T620] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.987487][ T620] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.988032][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.988564][ T620] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.989101][ T620] ? __create_object (mm/kmemleak.c:771) 
[ 61.989623][ T620] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.990163][ T620] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.990689][ T620] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.991392][ T620] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.991935][ T620] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.992484][ T620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.993026][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.993567][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.994110][ T620] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.994653][ T620] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.995286][ T620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.995844][ T620] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.996428][ T620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.997008][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.997587][ T620] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.998142][ T620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.998685][ T620] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.999285][ T620] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.999835][ T620] ? 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) 
[ 62.000399][ T620] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.000935][ T620] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.001499][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.002067][ T620] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.002621][ T620] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.003204][ T620] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.003774][ T620] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.004358][ T620] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.004884][ T620] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.005592][ T620] ___sys_sendmsg (net/socket.c:2670) 
[ 62.006155][ T620] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.006648][ T620] ? __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) 
[ 62.007362][ T620] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.007893][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.008475][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.009045][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.009549][ T620] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.010103][ T620] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.010590][ T620] __sys_sendmsg (net/socket.c:2700) 
[ 62.011180][ T620] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.011879][ T620] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.012468][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.013054][ T620] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.013604][ T620] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.014190][  T620] RIP: 0033:0x7fe1346d71e7
[ 62.014525][ T620] 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)
[   62.016385][  T620] RSP: 002b:00007ffe9f2961b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.016868][  T620] RAX: ffffffffffffffda RBX: 00007ffe9f2968e0 RCX: 00007fe1346d71e7
[   62.017337][  T620] RDX: 0000000000000000 RSI: 00007ffe9f296220 RDI: 0000000000000005
[   62.017841][  T620] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.018312][  T620] R10: 00007fe1345d4ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.018876][  T620] R13: 00000000686e3e20 R14: 0000000000499600 R15: 0000000000000000
| [   62.480506][  T624] ------------[ cut here ]------------
| [ 62.481133][ T624] WARNING: CPU: 2 PID: 624 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   62.482261][  T624] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   62.484500][  T624] Tainted: [W]=WARN
[   62.484752][  T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.485163][ T624] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 62.485515][ T624] 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
[   62.486805][  T624] RSP: 0018:ffffc9000125ef70 EFLAGS: 00010246
[   62.487422][  T624] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   62.488163][  T624] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   62.488697][  T624] RBP: ffffc9000125f058 R08: 0000000000000000 R09: 0000000000000000
[   62.489189][  T624] R10: ffffc9000125f088 R11: ffffffffb6579160 R12: 1ffff9200024bdf2
[   62.489656][  T624] R13: 00000000000005dc R14: ffffc9000125f088 R15: ffff88800e8eaf08
[   62.490151][  T624] FS:  00007f9c94732800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   62.490710][  T624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.491131][  T624] CR2: 00000000004e5aa8 CR3: 0000000009813006 CR4: 0000000000772ef0
[   62.491607][  T624] PKRU: 55555554
[   62.491851][  T624] Call Trace:
[   62.492103][  T624]  <TASK>
[ 62.492273][ T624] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.492681][ T624] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.493067][ T624] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.493394][ T624] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.493712][ T624] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.494039][ T624] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.494383][ T624] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.494698][ T624] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.495031][ T624] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.495354][ T624] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.495678][ T624] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.496011][ T624] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.496405][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.496732][ T624] netif_set_mtu (net/core/dev.c:9652) 
[ 62.497076][ T624] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.497418][ T624] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.497667][ T624] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.498133][ T624] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.498508][ T624] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.498826][ T624] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.499169][ T624] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.499490][ T624] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.499902][ T624] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.500247][ T624] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.500570][ T624] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.500905][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.501257][ T624] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 62.501582][ T624] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.501991][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.502313][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.502629][ T624] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.502945][ T624] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.503290][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.503628][ T624] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.503960][ T624] ? __create_object (mm/kmemleak.c:771) 
[ 62.504314][ T624] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.504640][ T624] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.504954][ T624] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.505356][ T624] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.505687][ T624] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.506030][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.506349][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.506685][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.507010][ T624] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.507325][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.507657][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.507972][ T624] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.508301][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.508632][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.508991][ T624] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.509324][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.509643][ T624] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.509968][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.510296][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 62.510612][ T624] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.510939][ T624] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.511260][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.511610][ T624] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.511928][ T624] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.512281][ T624] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.512615][ T624] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.512963][ T624] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.513296][ T624] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.513728][ T624] ___sys_sendmsg (net/socket.c:2670) 
[ 62.514062][ T624] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.514420][ T624] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.514838][ T624] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.515171][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.515510][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.515842][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.516170][ T624] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.516513][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.516840][ T624] __sys_sendmsg (net/socket.c:2700) 
[ 62.517191][ T624] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.517585][ T624] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.517915][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.518248][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.518574][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.518961][  T624] RIP: 0033:0x7f9c948ff1e7
[ 62.519304][ T624] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   62.520421][  T624] RSP: 002b:00007fff30bb8b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.520927][  T624] RAX: ffffffffffffffda RBX: 00007fff30bb9250 RCX: 00007f9c948ff1e7
[   62.521406][  T624] RDX: 0000000000000000 RSI: 00007fff30bb8b90 RDI: 0000000000000005
[   62.521900][  T624] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.522404][  T624] R10: 00007f9c947fcee8 R11: 0000000000000246 R12: 0000000000000003
[   62.522879][  T624] R13: 00000000686e3e21 R14: 0000000000499600 R15: 0000000000000000
| [   62.754195][  T626] ------------[ cut here ]------------
| [ 62.754572][ T626] WARNING: CPU: 2 PID: 626 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   62.755234][  T626] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   62.756559][  T626] Tainted: [W]=WARN
[   62.756811][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.757230][ T626] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 62.757569][ T626] 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
[   62.758732][  T626] RSP: 0018:ffffc9000130ef70 EFLAGS: 00010246
[   62.759172][  T626] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   62.759666][  T626] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   62.760345][  T626] RBP: ffffc9000130f058 R08: 0000000000000000 R09: 0000000000000000
[   62.761003][  T626] R10: ffffc9000130f088 R11: ffffffffb6579160 R12: 1ffff92000261df2
[   62.761724][  T626] R13: 00000000000005dc R14: ffffc9000130f088 R15: ffff88800e8eaf08
[   62.762375][  T626] FS:  00007f4bf21af800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   62.762937][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.763355][  T626] CR2: 00000000004e5de8 CR3: 00000000021dd001 CR4: 0000000000772ef0
[   62.763847][  T626] PKRU: 55555554
[   62.764109][  T626] Call Trace:
[   62.764370][  T626]  <TASK>
[ 62.764541][ T626] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.764950][ T626] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.765351][ T626] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.765683][ T626] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.766019][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.766339][ T626] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.766657][ T626] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.766997][ T626] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.767325][ T626] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.767641][ T626] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.767966][ T626] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.768308][ T626] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.768718][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.769064][ T626] netif_set_mtu (net/core/dev.c:9652) 
[ 62.769401][ T626] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.769761][ T626] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.770019][ T626] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.770468][ T626] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.770836][ T626] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.771185][ T626] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.771533][ T626] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.771867][ T626] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.772285][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.772620][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.772948][ T626] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.773290][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.773626][ T626] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 62.773954][ T626] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.774378][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.774705][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.775030][ T626] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.775363][ T626] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.775706][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.776077][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.776412][ T626] ? __create_object (mm/kmemleak.c:771) 
[ 62.776742][ T626] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.777095][ T626] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.777410][ T626] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.777807][ T626] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.778152][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.778486][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.778814][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.779171][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.779492][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.779808][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.780151][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.780477][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.780795][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.781146][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.781497][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.781819][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.782148][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.782477][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.782791][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 62.783117][ T626] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.783438][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.783759][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.784094][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.784445][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.784777][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.785125][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.785448][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.785772][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.786201][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 62.786527][ T626] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.786861][ T626] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.787276][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.787613][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.787931][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.788268][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.788589][ T626] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.788916][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.789250][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 62.789567][ T626] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.789954][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.790293][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.790615][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.790965][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.791373][  T626] RIP: 0033:0x7f4bf237c1e7
[ 62.791704][ T626] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   62.792812][  T626] RSP: 002b:00007ffded2c5df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.793304][  T626] RAX: ffffffffffffffda RBX: 00007ffded2c6520 RCX: 00007f4bf237c1e7
[   62.793771][  T626] RDX: 0000000000000000 RSI: 00007ffded2c5e60 RDI: 0000000000000005
[   62.794262][  T626] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.794759][  T626] R10: 00007f4bf2279ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.795236][  T626] R13: 00000000686e3e21 R14: 0000000000499600 R15: 0000000000000000
| [   63.543909][  T630] ------------[ cut here ]------------
| [ 63.544449][ T630] WARNING: CPU: 2 PID: 630 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) 
| [   63.546585][  T630] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   63.548301][  T630] Tainted: [W]=WARN
[   63.548601][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.549122][ T630] 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) 
[ 63.549527][ T630] 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
[   63.550898][  T630] RSP: 0018:ffffc9000133ef70 EFLAGS: 00010246
[   63.551415][  T630] RAX: 0000000000000000 RBX: ffff88800e8ea000 RCX: 0000000000000001
[   63.552017][  T630] RDX: 0000000000000000 RSI: ffffffffb609b941 RDI: ffffffffb58555e0
[   63.552652][  T630] RBP: ffffc9000133f058 R08: 0000000000000000 R09: 0000000000000000
[   63.553281][  T630] R10: ffffc9000133f088 R11: ffffffffb6579160 R12: 1ffff92000267df2
[   63.553911][  T630] R13: 00000000000005dc R14: ffffc9000133f088 R15: ffff88800e8eaf08
[   63.554562][  T630] FS:  00007ff112c8a800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   63.555300][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.555823][  T630] CR2: 00000000004e5ce0 CR3: 0000000008cf6003 CR4: 0000000000772ef0
[   63.556453][  T630] PKRU: 55555554
[   63.556759][  T630] Call Trace:
[   63.557093][  T630]  <TASK>
[ 63.557302][ T630] ? __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) 
[ 63.557802][ T630] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.558260][ T630] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.558662][ T630] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.559089][ T630] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.559482][ T630] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.559885][ T630] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.560341][ T630] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.560752][ T630] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.561196][ T630] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.561610][ T630] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.562046][ T630] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.562566][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.563000][ T630] netif_set_mtu (net/core/dev.c:9652) 
[ 63.563412][ T630] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.563840][ T630] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.564165][ T630] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.564711][ T630] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.565187][ T630] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.565592][ T630] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.566023][ T630] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.566433][ T630] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.566943][ T630] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.567359][ T630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.567762][ T630] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.568204][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.568609][ T630] ? __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) 
[ 63.569038][ T630] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.569555][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.569965][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.570392][ T630] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.570802][ T630] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.571253][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.571672][ T630] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.572129][ T630] ? __create_object (mm/kmemleak.c:771) 
[ 63.572556][ T630] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.572992][ T630] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.573402][ T630] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.573915][ T630] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.574370][ T630] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.574806][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.575213][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.575640][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.576088][ T630] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.576468][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.576887][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.577301][ T630] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.577708][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.578121][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.578567][ T630] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.578951][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.579340][ T630] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.579764][ T630] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.580169][ T630] ? 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) 
[ 63.580615][ T630] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.581052][ T630] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.581440][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.581835][ T630] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.582250][ T630] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.582675][ T630] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.583100][ T630] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.583503][ T630] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.583901][ T630] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.584451][ T630] ? debug_object_activate (lib/debugobjects.c:837) 
[ 63.584827][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.585255][ T630] ___sys_sendmsg (net/socket.c:2670) 
[ 63.585656][ T630] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.586078][ T630] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.586507][ T630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.586936][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.587339][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.587751][ T630] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 63.588143][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.588504][ T630] __sys_sendmsg (net/socket.c:2700) 
[ 63.588839][ T630] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.589192][ T630] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 63.589635][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.589998][ T630] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.590376][ T630] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.590849][  T630] RIP: 0033:0x7ff112e571e7
[ 63.591263][ T630] 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)
[   63.592765][  T630] RSP: 002b:00007ffd5b640a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.593392][  T630] RAX: ffffffffffffffda RBX: 00007ffd5b641170 RCX: 00007ff112e571e7
[   63.593966][  T630] RDX: 0000000000000000 RSI: 00007ffd5b640ab0 RDI: 0000000000000005
[   63.594665][  T630] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.595333][  T630] R10: 00007ff112d54ee8 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