======================================
| xx__-> [   15.593039][  T253] ip (253) used greatest stack depth: 24432 bytes left
| [   18.236566][  T300] ------------[ cut here ]------------
| [ 18.237435][ T300] WARNING: CPU: 3 PID: 300 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) 
| [   18.238604][  T300] Modules linked in: vrf veth
[   18.240137][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.241645][ T300] 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) 
[ 18.242180][ T300] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   18.244006][  T300] RSP: 0018:ffffc90000bd7140 EFLAGS: 00010246
[   18.244688][  T300] RAX: 0000000000000000 RBX: ffff888007881000 RCX: 0000000000000001
[   18.245441][  T300] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   18.246147][  T300] RBP: ffffc90000bd7230 R08: ffff888009a38800 R09: 0000000000000000
[   18.246910][  T300] R10: ffffc90000bd75c8 R11: ffffffffb4650668 R12: 1ffff9200017ae2c
[   18.247675][  T300] R13: 00000000000026ac R14: ffffc90000bd7880 R15: ffff88800c1943e0
[   18.248455][  T300] FS:  00007fa4eb1a4800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[   18.249324][  T300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.249933][  T300] CR2: 00000000004e5aa0 CR3: 0000000002a16001 CR4: 0000000000772ef0
[   18.250732][  T300] PKRU: 55555554
[   18.251112][  T300] Call Trace:
[   18.251513][  T300]  <TASK>
[ 18.251759][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.252299][ T300] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.252795][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.253310][ T300] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.253830][ T300] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.254351][ T300] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.254843][ T300] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.255383][ T300] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.256027][ T300] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.256562][ T300] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.257067][ T300] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.257595][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.258034][ T300] ? __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) 
[ 18.258396][ T300] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.258758][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.259065][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.259371][ T300] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.259664][ T300] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.259970][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.260303][ T300] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.260609][ T300] ? __create_object (mm/kmemleak.c:771) 
[ 18.260913][ T300] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.261217][ T300] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.261527][ T300] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.261895][ T300] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.262194][ T300] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.262508][ T300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.262798][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.263100][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.263403][ T300] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.263698][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.263983][ T300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.264269][ T300] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.264549][ T300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.264830][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.265112][ T300] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.265408][ T300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.265686][ T300] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.265972][ T300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.266273][ T300] ? 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) 
[ 18.266552][ T300] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.266828][ T300] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.267105][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.267404][ T300] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.267697][ T300] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.267972][ T300] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.268276][ T300] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.268571][ T300] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.268845][ T300] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.269210][ T300] ___sys_sendmsg (net/socket.c:2670) 
[ 18.269482][ T300] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.269784][ T300] ? __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) 
[ 18.270147][ T300] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.270449][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.270752][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.271030][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.271314][ T300] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.271594][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.271882][ T300] __sys_sendmsg (net/socket.c:2700) 
[ 18.272153][ T300] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.272504][ T300] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.272791][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.273067][ T300] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.273356][ T300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.273704][  T300] RIP: 0033:0x7fa4eb3711e7
[ 18.274006][ T300] 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)
[   18.275006][  T300] RSP: 002b:00007ffe7479f9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.275443][  T300] RAX: ffffffffffffffda RBX: 00007ffe747a00f0 RCX: 00007fa4eb3711e7
[   18.275870][  T300] RDX: 0000000000000000 RSI: 00007ffe7479fa30 RDI: 0000000000000005
[   18.276300][  T300] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.276731][  T300] R10: 00007fa4eb26eee8 R11: 0000000000000246 R12: 0000000000000004
[   18.277215][  T300] R13: 00000000686e6b79 R14: 0000000000499600 R15: 0000000000000000
| [   21.561655][  T353] ------------[ cut here ]------------
| [ 21.561966][ T353] WARNING: CPU: 0 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) 
| [   21.562530][  T353] Modules linked in: 8021q vrf veth
| [   21.563389][  T353] Tainted: [W]=WARN
[   21.563607][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.563958][ 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) 
[ 21.564251][ T353] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.565251][  T353] RSP: 0018:ffffc900007b7140 EFLAGS: 00010246
[   21.565600][  T353] RAX: 0000000000000000 RBX: ffff88800c1e4000 RCX: 0000000000000001
[   21.566014][  T353] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   21.566438][  T353] RBP: ffffc900007b7230 R08: ffff888009b7d000 R09: 0000000000000000
[   21.566851][  T353] R10: ffffc900007b75c8 R11: ffffffffb4650668 R12: 1ffff920000f6e2c
[   21.567277][  T353] R13: 00000000000026ac R14: ffffc900007b7880 R15: ffff888004c518e0
[   21.567688][  T353] FS:  00007ff1dfafe800(0000) GS:ffff888079ab7000(0000) knlGS:0000000000000000
[   21.568168][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.568562][  T353] CR2: 00000000004e5ab8 CR3: 0000000009270003 CR4: 0000000000772ef0
[   21.568998][  T353] PKRU: 55555554
[   21.569229][  T353] Call Trace:
[   21.569447][  T353]  <TASK>
[ 21.569598][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.569883][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.570164][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.570471][ T353] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.570778][ T353] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 21.571074][ T353] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 21.571394][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 21.571679][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.572055][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.572344][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.572621][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.572899][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.573196][ 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) 
[ 21.573494][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.573855][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.574164][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.574463][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.574754][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.575040][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.575336][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.575622][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 21.575917][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.576207][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.576483][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.576838][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.577140][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.577439][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.577752][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.578052][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.578346][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.578638][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.578916][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.579217][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.579513][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.579804][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.580110][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.580413][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.580721][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.581021][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.581334][ 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) 
[ 21.581629][ T353] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.581915][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.582213][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.582502][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.582795][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.583104][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.583406][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.583698][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.583988][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.584360][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 21.584641][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.584929][ 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) 
[ 21.585319][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.585607][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.585886][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.586186][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.586499][ 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) 
[ 21.586777][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.587065][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 21.587370][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.587717][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.588007][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.588296][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.588574][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.588927][  T353] RIP: 0033:0x7ff1dfccb1e7
[ 21.589231][ 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)
[   21.590246][  T353] RSP: 002b:00007fff6a4a07e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.590685][  T353] RAX: ffffffffffffffda RBX: 00007fff6a4a0f10 RCX: 00007ff1dfccb1e7
[   21.591118][  T353] RDX: 0000000000000000 RSI: 00007fff6a4a0850 RDI: 0000000000000005
[   21.591550][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   21.591978][  T353] R10: 00007ff1dfbc8ee8 R11: 0000000000000246 R12: 0000000000000004
[   21.592405][  T353] R13: 00000000686e6b7d R14: 0000000000499600 R15: 0000000000000000
| [   23.722567][  T396] ------------[ cut here ]------------
| [ 23.722910][ T396] WARNING: CPU: 2 PID: 396 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) 
| [   23.724108][  T396] Modules linked in: 8021q vrf veth
| [   23.725065][  T396] Tainted: [W]=WARN
[   23.725309][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.725688][ T396] 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) 
[ 23.726003][ T396] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   23.727032][  T396] RSP: 0018:ffffc900007a7140 EFLAGS: 00010246
[   23.727440][  T396] RAX: 0000000000000000 RBX: ffff888005621000 RCX: 0000000000000001
[   23.727890][  T396] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   23.728341][  T396] RBP: ffffc900007a7230 R08: ffff8880096d3800 R09: 0000000000000000
[   23.728786][  T396] R10: ffffc900007a75c8 R11: ffffffffb4650668 R12: 1ffff920000f4e2c
[   23.729228][  T396] R13: 00000000000026ac R14: ffffc900007a7880 R15: ffff88800c196a60
[   23.729657][  T396] FS:  00007fe8105b3800(0000) GS:ffff888079bb7000(0000) knlGS:0000000000000000
[   23.730169][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.730565][  T396] CR2: 00000000004e5aa8 CR3: 000000000a42f006 CR4: 0000000000772ef0
[   23.731021][  T396] PKRU: 55555554
[   23.731263][  T396] Call Trace:
[   23.731485][  T396]  <TASK>
[ 23.731641][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.731951][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.732266][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.732560][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.732856][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.733157][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.733470][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.733766][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.734147][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.734455][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.734750][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.735062][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.735368][ T396] ? __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) 
[ 23.735659][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.736051][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.736362][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.736650][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.736938][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.737237][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.737528][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.737813][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 23.738099][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.738403][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.738691][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.739046][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.739370][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.739667][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.739955][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.740273][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.740580][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.740864][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.741157][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.741460][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.741754][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.742043][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.742356][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.742645][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.742936][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.743249][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.743550][ T396] ? 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) 
[ 23.743840][ T396] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.744137][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.744442][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.744743][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.745035][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.745338][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.745637][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.745930][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.746229][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.746610][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 23.746893][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.747176][ T396] ? __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) 
[ 23.747562][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.747854][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.748147][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.748457][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.748753][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.749038][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.749344][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 23.749628][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.749979][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.750288][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.750597][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.750886][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.751262][  T396] RIP: 0033:0x7fe8107801e7
[ 23.751564][ T396] 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)
[   23.752601][  T396] RSP: 002b:00007ffe68408958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.753034][  T396] RAX: ffffffffffffffda RBX: 00007ffe68409080 RCX: 00007fe8107801e7
[   23.753477][  T396] RDX: 0000000000000000 RSI: 00007ffe684089c0 RDI: 0000000000000005
[   23.753901][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.754335][  T396] R10: 00007fe81067dee8 R11: 0000000000000246 R12: 0000000000000004
[   23.754762][  T396] R13: 00000000686e6b7f R14: 0000000000499600 R15: 0000000000000000
| [   24.236543][  T410] ------------[ cut here ]------------
| [ 24.236862][ T410] WARNING: CPU: 0 PID: 410 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) 
| [   24.237443][  T410] Modules linked in: 8021q vrf veth
| [   24.238396][  T410] Tainted: [W]=WARN
[   24.238622][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.239001][ T410] 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) 
[ 24.240587][ T410] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   24.241618][  T410] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   24.241987][  T410] RAX: 0000000000000000 RBX: ffff88800c1e1000 RCX: 0000000000000001
[   24.242468][  T410] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   24.242905][  T410] RBP: ffffc900009d7230 R08: ffff88800c546800 R09: 0000000000000000
[   24.243349][  T410] R10: ffffc900009d75c8 R11: ffffffffb4650668 R12: 1ffff9200013ae2c
[   24.243784][  T410] R13: 00000000000026ac R14: ffffc900009d7880 R15: ffff88800a512de0
[   24.244229][  T410] FS:  00007f80a5d0d800(0000) GS:ffff888079ab7000(0000) knlGS:0000000000000000
[   24.244737][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.245102][  T410] CR2: 00000000004e5ab0 CR3: 000000000e9da004 CR4: 0000000000772ef0
[   24.245551][  T410] PKRU: 55555554
[   24.245767][  T410] Call Trace:
[   24.245987][  T410]  <TASK>
[ 24.246176][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.246487][ T410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.246779][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.247075][ T410] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.247373][ T410] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 24.247665][ T410] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 24.247957][ T410] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 24.248267][ T410] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.248636][ T410] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.248927][ T410] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.249228][ T410] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.249525][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.249819][ T410] ? __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) 
[ 24.250146][ T410] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.250534][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.250833][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.251124][ T410] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.251426][ T410] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.251721][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.252013][ T410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.252310][ T410] ? __create_object (mm/kmemleak.c:771) 
[ 24.252611][ T410] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.252905][ T410] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.253214][ T410] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.253579][ T410] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.253879][ T410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.254213][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.254508][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.254804][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.255101][ T410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.255400][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.255695][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.255987][ T410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.256293][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.256589][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.256886][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.257178][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.257486][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.257792][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.258107][ T410] ? 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) 
[ 24.258415][ T410] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.258713][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.259001][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.259308][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.259606][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.259899][ T410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.260205][ T410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.260504][ T410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.260807][ T410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.261181][ T410] ___sys_sendmsg (net/socket.c:2670) 
[ 24.261481][ T410] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.261778][ T410] ? __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) 
[ 24.262170][ T410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.262477][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.262774][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.263070][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.263370][ T410] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.263665][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.263971][ T410] __sys_sendmsg (net/socket.c:2700) 
[ 24.264269][ T410] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.264630][ T410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.264935][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.265233][ T410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.265527][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.265888][  T410] RIP: 0033:0x7f80a5eda1e7
[ 24.266252][ T410] 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)
[   24.267303][  T410] RSP: 002b:00007fff4a08c918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.267747][  T410] RAX: ffffffffffffffda RBX: 00007fff4a08d040 RCX: 00007f80a5eda1e7
[   24.268191][  T410] RDX: 0000000000000000 RSI: 00007fff4a08c980 RDI: 0000000000000005
[   24.268641][  T410] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   24.269076][  T410] R10: 00007f80a5dd7ee8 R11: 0000000000000246 R12: 0000000000000004
[   24.269516][  T410] R13: 00000000686e6b7f R14: 0000000000499600 R15: 0000000000000000
| [   25.729844][  T437] ------------[ cut here ]------------
| [ 25.730257][ T437] WARNING: CPU: 2 PID: 437 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.730980][  T437] Modules linked in: bridge stp llc 8021q vrf veth
| [   25.732729][  T437] Tainted: [W]=WARN
[   25.733009][  T437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.733514][ T437] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.733867][ T437] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   25.735029][  T437] RSP: 0018:ffffc900009d6ef0 EFLAGS: 00010246
[   25.735461][  T437] RAX: 0000000000000000 RBX: ffff8880094e2000 RCX: 0000000000000001
[   25.735955][  T437] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   25.736476][  T437] RBP: ffffc900009d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.736975][  T437] R10: ffffc900009d7010 R11: ffffffffb46a8918 R12: 1ffff9200013ade2
[   25.737528][  T437] R13: 00000000000026ac R14: ffffc900009d7010 R15: ffff8880094e2f08
[   25.738027][  T437] FS:  00007fa9f7b94800(0000) GS:ffff888079bb7000(0000) knlGS:0000000000000000
[   25.738623][  T437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.739049][  T437] CR2: 00000000004e5410 CR3: 000000000e9c9006 CR4: 0000000000772ef0
[   25.739558][  T437] PKRU: 55555554
[   25.739824][  T437] Call Trace:
[   25.740079][  T437]  <TASK>
[ 25.740272][ T437] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.740627][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.740975][ T437] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.741339][ T437] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.741789][ T437] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.742135][ T437] netif_set_mtu (net/core/dev.c:9652) 
[ 25.742494][ T437] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.742846][ T437] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.743323][ T437] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.743585][ T437] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.744044][ T437] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.744485][ T437] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.744865][ T437] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.745254][ T437] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.745725][ T437] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.746094][ T437] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.746467][ T437] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.746846][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.747234][ T437] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.747603][ T437] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.748036][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.748415][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.748774][ T437] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.749134][ T437] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.749504][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.749868][ T437] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.750251][ T437] ? __create_object (mm/kmemleak.c:771) 
[ 25.750640][ T437] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.751006][ T437] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.751396][ T437] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.751855][ T437] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.752245][ T437] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.752614][ T437] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.752970][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.753353][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.753719][ T437] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.754088][ T437] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.754463][ T437] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.754837][ T437] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.755210][ T437] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.755587][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.755958][ T437] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.756343][ T437] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.756716][ T437] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.757103][ T437] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.757471][ T437] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.757840][ T437] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.758214][ T437] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.758580][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.758961][ T437] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.759337][ T437] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.759700][ T437] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.760081][ T437] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.760457][ T437] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.760838][ T437] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.761327][ T437] ___sys_sendmsg (net/socket.c:2670) 
[ 25.761690][ T437] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.762049][ T437] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.762505][ T437] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.762872][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.763262][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.763630][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.763991][ T437] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.764364][ T437] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.764732][ T437] __sys_sendmsg (net/socket.c:2700) 
[ 25.765087][ T437] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.765546][ T437] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.765917][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.766291][ T437] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.766677][ T437] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.767132][  T437] RIP: 0033:0x7fa9f7d611e7
[ 25.767512][ T437] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.768762][  T437] RSP: 002b:00007ffc15a5a418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.769305][  T437] RAX: ffffffffffffffda RBX: 00007ffc15a5ab40 RCX: 00007fa9f7d611e7
[   25.769852][  T437] RDX: 0000000000000000 RSI: 00007ffc15a5a480 RDI: 0000000000000005
[   25.770391][  T437] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.770936][  T437] R10: 00000000207ee910 R11: 0000000000000246 R12: 0000000000000004
[   25.771478][  T437] R13: 00000000686e6b81 R14: 0000000000499600 R15: 0000000000000000
| [   25.974350][  T442] ------------[ cut here ]------------
| [ 25.974709][ T442] WARNING: CPU: 2 PID: 442 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) 
| [   25.975380][  T442] Modules linked in: bridge stp llc 8021q vrf veth
| [   25.976708][  T442] Tainted: [W]=WARN
[   25.976956][  T442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.977393][ T442] 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) 
[ 25.977750][ T442] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   25.978909][  T442] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[   25.979324][  T442] RAX: 0000000000000000 RBX: ffff8880094e2000 RCX: 0000000000000001
[   25.979813][  T442] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   25.980327][  T442] RBP: ffffc900004d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.980833][  T442] R10: ffffc900004d7010 R11: ffffffffb46a8918 R12: 1ffff9200009ade2
[   25.981353][  T442] R13: 00000000000026ac R14: ffffc900004d7010 R15: ffff8880094e2f08
[   25.981853][  T442] FS:  00007f313355b800(0000) GS:ffff888079bb7000(0000) knlGS:0000000000000000
[   25.982588][  T442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.983008][  T442] CR2: 00000000004e5410 CR3: 000000001031c002 CR4: 0000000000772ef0
[   25.983489][  T442] PKRU: 55555554
[   25.983744][  T442] Call Trace:
[   25.983986][  T442]  <TASK>
[ 25.984173][ T442] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.984525][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.984858][ T442] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.985189][ T442] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.985620][ T442] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.985958][ T442] netif_set_mtu (net/core/dev.c:9652) 
[ 25.986304][ T442] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.986632][ T442] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.987118][ T442] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.987403][ T442] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.987881][ T442] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.988310][ T442] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.988639][ T442] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.988958][ T442] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.989386][ T442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.989711][ T442] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.990027][ T442] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.990363][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.990700][ T442] ? __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) 
[ 25.991025][ T442] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.991434][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.991755][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.992079][ T442] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.992474][ T442] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.992807][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.993153][ T442] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.993499][ T442] ? __create_object (mm/kmemleak.c:771) 
[ 25.993872][ T442] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.994222][ T442] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.994576][ T442] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.995001][ T442] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.995364][ T442] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.995706][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.996034][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.996405][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.996735][ T442] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.997052][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.997424][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.997760][ T442] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.998122][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.998485][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.998822][ T442] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.999158][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.999492][ T442] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.999836][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.000152][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.000486][ T442] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.000825][ T442] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.001147][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.001513][ T442] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.001848][ T442] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.002184][ T442] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.002526][ T442] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.002868][ T442] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.003208][ T442] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.003620][ T442] ___sys_sendmsg (net/socket.c:2670) 
[ 26.003958][ T442] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.004312][ T442] ? __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) 
[ 26.004741][ T442] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.005060][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.005407][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.005755][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.006074][ T442] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.006426][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.006757][ T442] __sys_sendmsg (net/socket.c:2700) 
[ 26.007076][ T442] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.007519][ T442] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.007870][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.008195][ T442] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.008550][ T442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.008946][  T442] RIP: 0033:0x7f31337281e7
[ 26.009301][ T442] 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)
[   26.010458][  T442] RSP: 002b:00007ffd3bf9b068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.010960][  T442] RAX: ffffffffffffffda RBX: 00007ffd3bf9b790 RCX: 00007f31337281e7
[   26.011466][  T442] RDX: 0000000000000000 RSI: 00007ffd3bf9b0d0 RDI: 0000000000000005
[   26.011966][  T442] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.012462][  T442] R10: 0000000018c15910 R11: 0000000000000246 R12: 0000000000000004
[   26.012942][  T442] R13: 00000000686e6b81 R14: 0000000000499600 R15: 0000000000000000
| [   27.713706][  T483] ------------[ cut here ]------------
| [ 27.714024][ T483] WARNING: CPU: 0 PID: 483 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) 
| [   27.714640][  T483] Modules linked in: bridge stp llc 8021q vrf veth
| [   27.715680][  T483] Tainted: [W]=WARN
[   27.715913][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.716301][ T483] 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) 
[ 27.716620][ T483] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   27.718661][  T483] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   27.719049][  T483] RAX: 0000000000000000 RBX: ffff88800c68a000 RCX: 0000000000000001
[   27.719510][  T483] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   27.719967][  T483] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.720439][  T483] R10: ffffc90000687010 R11: ffffffffb46a8918 R12: 1ffff920000d0de2
[   27.720914][  T483] R13: 00000000000026ac R14: ffffc90000687010 R15: ffff88800c68af08
[   27.721378][  T483] FS:  00007ff26b252800(0000) GS:ffff888079ab7000(0000) knlGS:0000000000000000
[   27.721915][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.722308][  T483] CR2: 00000000004e5418 CR3: 000000000c431006 CR4: 0000000000772ef0
[   27.722769][  T483] PKRU: 55555554
[   27.723000][  T483] Call Trace:
[   27.723236][  T483]  <TASK>
[ 27.723400][ T483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.723709][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.724024][ T483] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.724337][ T483] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.724720][ T483] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.725029][ T483] netif_set_mtu (net/core/dev.c:9652) 
[ 27.725344][ T483] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.725663][ T483] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.726096][ T483] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.726338][ T483] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.726757][ T483] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.727112][ T483] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 27.727462][ T483] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.727774][ T483] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.728163][ T483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.728483][ T483] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.728787][ T483] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.729098][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.729419][ T483] ? __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) 
[ 27.729727][ T483] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.730112][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.730430][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.730761][ T483] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.731068][ T483] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.731386][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.731694][ T483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.731997][ T483] ? __create_object (mm/kmemleak.c:771) 
[ 27.732314][ T483] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.732626][ T483] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.732935][ T483] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.733325][ T483] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.733639][ T483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.733950][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.734280][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.734595][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.734903][ T483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.735214][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.735531][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.735836][ T483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.736159][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.736478][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.736795][ T483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.737103][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.737420][ T483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.737743][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.738054][ T483] ? 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) 
[ 27.738381][ T483] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 27.738696][ T483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.739003][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.739326][ T483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.739637][ T483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.739950][ T483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.740289][ T483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.740610][ T483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.740914][ T483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.741316][ T483] ___sys_sendmsg (net/socket.c:2670) 
[ 27.741621][ T483] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.741926][ T483] ? __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) 
[ 27.742318][ T483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.742632][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.742941][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.743264][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.743569][ T483] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.743874][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.744187][ T483] __sys_sendmsg (net/socket.c:2700) 
[ 27.744501][ T483] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.744886][ T483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.745213][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.745520][ T483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.745829][ T483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.746218][  T483] RIP: 0033:0x7ff26b41f1e7
[ 27.746534][ T483] 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)
[   27.747643][  T483] RSP: 002b:00007ffd39445428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.748106][  T483] RAX: ffffffffffffffda RBX: 00007ffd39445b50 RCX: 00007ff26b41f1e7
[   27.748577][  T483] RDX: 0000000000000000 RSI: 00007ffd39445490 RDI: 0000000000000005
[   27.749042][  T483] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.749507][  T483] R10: 0000000036877910 R11: 0000000000000246 R12: 0000000000000004
[   27.749965][  T483] R13: 00000000686e6b83 R14: 0000000000499600 R15: 0000000000000000
| [   27.949625][  T488] ------------[ cut here ]------------
| [ 27.949941][ T488] WARNING: CPU: 3 PID: 488 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) 
| [   27.950568][  T488] Modules linked in: bridge stp llc 8021q vrf veth
| [   27.951590][  T488] Tainted: [W]=WARN
[   27.951821][  T488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.952230][ T488] 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) 
[ 27.952545][ T488] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   27.953665][  T488] RSP: 0018:ffffc900007f6ef0 EFLAGS: 00010246
[   27.954082][  T488] RAX: 0000000000000000 RBX: ffff88800c68a000 RCX: 0000000000000001
[   27.954554][  T488] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   27.955014][  T488] RBP: ffffc900007f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.955477][  T488] R10: ffffc900007f7010 R11: ffffffffb46a8918 R12: 1ffff920000fede2
[   27.955937][  T488] R13: 00000000000026ac R14: ffffc900007f7010 R15: ffff88800c68af08
[   27.956420][  T488] FS:  00007f127b1eb800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[   27.956956][  T488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.957365][  T488] CR2: 00000000004e5418 CR3: 000000000e9be004 CR4: 0000000000772ef0
[   27.957823][  T488] PKRU: 55555554
[   27.958090][  T488] Call Trace:
[   27.958336][  T488]  <TASK>
[ 27.958498][ T488] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.958830][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.959146][ T488] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.959462][ T488] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.959863][ T488] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.960181][ T488] netif_set_mtu (net/core/dev.c:9652) 
[ 27.960539][ T488] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.960868][ T488] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.961334][ T488] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.961569][ T488] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.962017][ T488] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.962382][ T488] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 27.962718][ T488] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.963055][ T488] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.963457][ T488] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.963780][ T488] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.964090][ T488] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.964445][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.964763][ T488] ? __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) 
[ 27.965093][ T488] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.965516][ T488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.965825][ T488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.966140][ T488] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.966467][ T488] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.966774][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.967091][ T488] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.967406][ T488] ? __create_object (mm/kmemleak.c:771) 
[ 27.967714][ T488] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.968024][ T488] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.968358][ T488] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.968741][ T488] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.969050][ T488] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.969372][ T488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.969675][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.969994][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.970315][ T488] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.970637][ T488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.970951][ T488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.971267][ T488] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.971577][ T488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.971886][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.972195][ T488] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.972527][ T488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.972840][ T488] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.973156][ T488] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.973478][ T488] ? 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) 
[ 27.973788][ T488] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 27.974095][ T488] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.974408][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.974724][ T488] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.975035][ T488] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.975346][ T488] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.975658][ T488] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.975975][ T488] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.976303][ T488] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.976707][ T488] ___sys_sendmsg (net/socket.c:2670) 
[ 27.977009][ T488] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.977326][ T488] ? __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) 
[ 27.977725][ T488] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.978035][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.978361][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.978686][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.978991][ T488] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.979307][ T488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.979629][ T488] __sys_sendmsg (net/socket.c:2700) 
[ 27.979929][ T488] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.980326][ T488] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.980680][ T488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.980990][ T488] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.981305][ T488] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.981684][  T488] RIP: 0033:0x7f127b3b81e7
[ 27.981997][ T488] 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)
[   27.983093][  T488] RSP: 002b:00007fff92ba0f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.983564][  T488] RAX: ffffffffffffffda RBX: 00007fff92ba1640 RCX: 00007f127b3b81e7
[   27.984032][  T488] RDX: 0000000000000000 RSI: 00007fff92ba0f80 RDI: 0000000000000005
[   27.984511][  T488] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.984967][  T488] R10: 000000001f879910 R11: 0000000000000246 R12: 0000000000000004
[   27.985430][  T488] R13: 00000000686e6b83 R14: 0000000000499600 R15: 0000000000000000
| [   29.566550][  T529] ------------[ cut here ]------------
| [ 29.566869][ T529] WARNING: CPU: 3 PID: 529 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) 
| [   29.567540][  T529] Modules linked in: bridge stp llc 8021q vrf veth
| [   29.568629][  T529] Tainted: [W]=WARN
[   29.568881][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.569296][ T529] 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) 
[ 29.569630][ T529] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   29.570803][  T529] RSP: 0018:ffffc90000876ef0 EFLAGS: 00010246
[   29.571229][  T529] RAX: 0000000000000000 RBX: ffff88800c3fa000 RCX: 0000000000000001
[   29.571700][  T529] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   29.572180][  T529] RBP: ffffc90000876fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.572874][  T529] R10: ffffc90000877010 R11: ffffffffb46a8918 R12: 1ffff9200010ede2
[   29.573640][  T529] R13: 00000000000026ac R14: ffffc90000877010 R15: ffff88800c3faf08
[   29.574134][  T529] FS:  00007fcf4c6e4800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[   29.574879][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.575442][  T529] CR2: 00000000004e5420 CR3: 000000000ed82005 CR4: 0000000000772ef0
[   29.575930][  T529] PKRU: 55555554
[   29.576161][  T529] Call Trace:
[   29.576495][  T529]  <TASK>
[ 29.576658][ T529] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.576999][ T529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.577327][ T529] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.577634][ T529] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.578018][ T529] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.578338][ T529] netif_set_mtu (net/core/dev.c:9652) 
[ 29.578652][ T529] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.578973][ T529] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.579433][ T529] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.579678][ T529] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.580103][ T529] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.580467][ T529] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 29.580792][ T529] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.581123][ T529] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.581553][ T529] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.581861][ T529] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.582192][ T529] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.582520][ T529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.582851][ T529] ? __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) 
[ 29.583162][ T529] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.583576][ T529] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.583895][ T529] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.584231][ T529] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.584551][ T529] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.584862][ T529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.585191][ T529] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.585511][ T529] ? __create_object (mm/kmemleak.c:771) 
[ 29.585841][ T529] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.586157][ T529] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.586499][ T529] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.586903][ T529] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.587241][ T529] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.587558][ T529] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.587896][ T529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.588238][ T529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.588552][ T529] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.588859][ T529] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.589176][ T529] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.589499][ T529] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.589814][ T529] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.590127][ T529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.590474][ T529] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.590803][ T529] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.591120][ T529] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.591469][ T529] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.591795][ T529] ? 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) 
[ 29.592107][ T529] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.592451][ T529] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.592808][ T529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.593128][ T529] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.593459][ T529] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.593775][ T529] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.594094][ T529] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.594412][ T529] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.594717][ T529] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.595107][ T529] ___sys_sendmsg (net/socket.c:2670) 
[ 29.595417][ T529] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.595722][ T529] ? __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) 
[ 29.596106][ T529] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.596421][ T529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.596731][ T529] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.597045][ T529] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.597367][ T529] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.597682][ T529] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.597999][ T529] __sys_sendmsg (net/socket.c:2700) 
[ 29.598314][ T529] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.598699][ T529] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.599019][ T529] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.599343][ T529] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.599653][ T529] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.600036][  T529] RIP: 0033:0x7fcf4c8b11e7
[ 29.600376][ T529] 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)
[   29.601553][  T529] RSP: 002b:00007ffcf4f15f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.602033][  T529] RAX: ffffffffffffffda RBX: 00007ffcf4f16670 RCX: 00007fcf4c8b11e7
[   29.602576][  T529] RDX: 0000000000000000 RSI: 00007ffcf4f15fb0 RDI: 0000000000000005
[   29.603056][  T529] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.603533][  T529] R10: 0000000038831910 R11: 0000000000000246 R12: 0000000000000004
[   29.604005][  T529] R13: 00000000686e6b85 R14: 0000000000499600 R15: 0000000000000000
| [   29.799924][  T534] ------------[ cut here ]------------
| [ 29.800279][ T534] WARNING: CPU: 2 PID: 534 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.800911][  T534] Modules linked in: bridge stp llc 8021q vrf veth
| [   29.801974][  T534] Tainted: [W]=WARN
[   29.802246][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.802643][ T534] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.802969][ T534] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   29.804083][  T534] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   29.804509][  T534] RAX: 0000000000000000 RBX: ffff88800c3fa000 RCX: 0000000000000001
[   29.804977][  T534] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[   29.805457][  T534] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.805934][  T534] R10: ffffc90000567010 R11: ffffffffb46a8918 R12: 1ffff920000acde2
[   29.806422][  T534] R13: 00000000000026ac R14: ffffc90000567010 R15: ffff88800c3faf08
[   29.806894][  T534] FS:  00007f5cc1c1d800(0000) GS:ffff888079bb7000(0000) knlGS:0000000000000000
[   29.807450][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.807852][  T534] CR2: 00000000004e5420 CR3: 000000000a0cb004 CR4: 0000000000772ef0
[   29.808332][  T534] PKRU: 55555554
[   29.808571][  T534] Call Trace:
[   29.808814][  T534]  <TASK>
[ 29.808986][ T534] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.809315][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.809640][ T534] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.809960][ T534] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.810375][ T534] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.810715][ T534] netif_set_mtu (net/core/dev.c:9652) 
[ 29.811032][ T534] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.811375][ T534] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.811814][ T534] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.812059][ T534] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.812508][ T534] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.812873][ T534] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 29.813193][ T534] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.813526][ T534] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.813923][ T534] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.814262][ T534] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.814587][ T534] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.814915][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.815245][ T534] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.815564][ T534] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.815956][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.816293][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.816608][ T534] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.816927][ T534] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.817261][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.817580][ T534] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.817892][ T534] ? __create_object (mm/kmemleak.c:771) 
[ 29.818235][ T534] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.818555][ T534] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.818871][ T534] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.819274][ T534] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.819604][ T534] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.819924][ T534] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.820292][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.820638][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.820960][ T534] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.821289][ T534] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.821614][ T534] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.821930][ T534] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.822281][ T534] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.822605][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.822928][ T534] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.823259][ T534] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.823579][ T534] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.823906][ T534] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.824232][ T534] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.824558][ T534] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.824876][ T534] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.825192][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.825525][ T534] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.825847][ T534] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.826164][ T534] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.826513][ T534] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.826842][ T534] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.827175][ T534] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.827587][ T534] ___sys_sendmsg (net/socket.c:2670) 
[ 29.827905][ T534] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.828229][ T534] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.828625][ T534] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.828943][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.829282][ T534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.829606][ T534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.829926][ T534] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.830260][ T534] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.830599][ T534] __sys_sendmsg (net/socket.c:2700) 
[ 29.830913][ T534] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.831315][ T534] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.831642][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.831973][ T534] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.832306][ T534] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.832700][  T534] RIP: 0033:0x7f5cc1dea1e7
[ 29.833026][ T534] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.834126][  T534] RSP: 002b:00007ffdad742238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.834632][  T534] RAX: ffffffffffffffda RBX: 00007ffdad742960 RCX: 00007f5cc1dea1e7
[   29.835102][  T534] RDX: 0000000000000000 RSI: 00007ffdad7422a0 RDI: 0000000000000005
[   29.835584][  T534] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.836055][  T534] R10: 0000000018661910 R11: 0000000000000246 R12: 0000000000000004
[   29.836531][  T534] R13: 00000000686e6b85 R14: 0000000000499600 R15: 0000000000000000
| [  455.009116][ T1975] ------------[ cut here ]------------
| [ 455.009577][ T1975] WARNING: CPU: 3 PID: 1975 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) 
| [  455.010236][ T1975] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  455.011436][ T1975] Tainted: [W]=WARN
[  455.011672][ T1975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 455.012059][ T1975] 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) 
[ 455.012390][ T1975] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  455.013535][ T1975] RSP: 0018:ffffc9000190ef70 EFLAGS: 00010246
[  455.014126][ T1975] RAX: 0000000000000000 RBX: ffff88800c3fa000 RCX: 0000000000000001
[  455.014592][ T1975] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  455.015046][ T1975] RBP: ffffc9000190f058 R08: 0000000000000000 R09: 0000000000000000
[  455.015511][ T1975] R10: ffffc9000190f088 R11: ffffffffafc00130 R12: 1ffff92000321df2
[  455.015969][ T1975] R13: 00000000000026ac R14: ffffc9000190f088 R15: ffff88800c3faf08
[  455.016438][ T1975] FS:  00007fbe948e1800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[  455.016969][ T1975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  455.017415][ T1975] CR2: 00000000004e5638 CR3: 000000000546a005 CR4: 0000000000772ef0
[  455.017879][ T1975] PKRU: 55555554
[  455.018114][ T1975] Call Trace:
[  455.018514][ T1975]  <TASK>
[ 455.018675][ T1975] ? __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) 
[ 455.019054][ T1975] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 455.019520][ T1975] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 455.019829][ T1975] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 455.020151][ T1975] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 455.020470][ T1975] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 455.020781][ T1975] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 455.021128][ T1975] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 455.021501][ T1975] ? ___sys_sendmsg (net/socket.c:2670) 
[ 455.021811][ T1975] ? __sys_sendmsg (net/socket.c:2700) 
[ 455.022124][ T1975] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 455.022437][ T1975] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 455.022817][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.023132][ T1975] netif_set_mtu (net/core/dev.c:9652) 
[ 455.023452][ T1975] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 455.023774][ T1975] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 455.024006][ T1975] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 455.024436][ T1975] br_del_if (net/bridge/br_if.c:743) bridge 
[ 455.024775][ T1975] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 455.025081][ T1975] do_set_master (net/core/rtnetlink.c:2932) 
[ 455.025437][ T1975] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 455.025756][ T1975] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 455.026177][ T1975] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 455.026495][ T1975] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 455.026800][ T1975] ? __kernel_text_address (kernel/extable.c:79) 
[ 455.027108][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.027424][ T1975] ? __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) 
[ 455.027730][ T1975] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 455.028112][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.028429][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.028731][ T1975] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 455.029036][ T1975] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 455.029362][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.029668][ T1975] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 455.029969][ T1975] ? __create_object (mm/kmemleak.c:771) 
[ 455.030315][ T1975] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 455.030628][ T1975] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 455.030931][ T1975] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 455.031332][ T1975] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 455.031645][ T1975] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 455.031955][ T1975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.032269][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.032581][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.032897][ T1975] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 455.033223][ T1975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 455.033532][ T1975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.033833][ T1975] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 455.034166][ T1975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.034490][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.034801][ T1975] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 455.035103][ T1975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.035421][ T1975] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 455.035738][ T1975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 455.036042][ T1975] ? 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) 
[ 455.036357][ T1975] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 455.036666][ T1975] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 455.036967][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.037297][ T1975] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 455.037616][ T1975] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 455.037922][ T1975] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 455.038290][ T1975] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 455.038603][ T1975] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 455.038907][ T1975] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 455.039347][ T1975] ___sys_sendmsg (net/socket.c:2670) 
[ 455.039650][ T1975] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 455.039959][ T1975] ? __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) 
[ 455.040362][ T1975] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 455.040670][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.040988][ T1975] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.041326][ T1975] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.041634][ T1975] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 455.041937][ T1975] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 455.042264][ T1975] __sys_sendmsg (net/socket.c:2700) 
[ 455.042567][ T1975] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 455.042947][ T1975] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 455.043273][ T1975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.043581][ T1975] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 455.043886][ T1975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  455.044303][ T1975] RIP: 0033:0x7fbe94aae1e7
[ 455.044625][ T1975] 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)
[  455.045729][ T1975] RSP: 002b:00007ffd680a32a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  455.046191][ T1975] RAX: ffffffffffffffda RBX: 00007ffd680a39d0 RCX: 00007fbe94aae1e7
[  455.046664][ T1975] RDX: 0000000000000000 RSI: 00007ffd680a3310 RDI: 0000000000000005
[  455.047127][ T1975] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  455.047594][ T1975] R10: 00007fbe949abee8 R11: 0000000000000246 R12: 0000000000000003
[  455.048056][ T1975] R13: 00000000686e6d2e R14: 0000000000499600 R15: 0000000000000000
| [  455.225757][ T1977] ------------[ cut here ]------------
| [ 455.226111][ T1977] WARNING: CPU: 2 PID: 1977 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) 
| [  455.227486][ T1977] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  455.228763][ T1977] Tainted: [W]=WARN
[  455.229012][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 455.229431][ T1977] 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) 
[ 455.229760][ T1977] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  455.230888][ T1977] RSP: 0018:ffffc9000192ef70 EFLAGS: 00010246
[  455.231332][ T1977] RAX: 0000000000000000 RBX: ffff88800c3fa000 RCX: 0000000000000001
[  455.231804][ T1977] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  455.232324][ T1977] RBP: ffffc9000192f058 R08: 0000000000000000 R09: 0000000000000000
[  455.232792][ T1977] R10: ffffc9000192f088 R11: ffffffffb3d79160 R12: 1ffff92000325df2
[  455.233283][ T1977] R13: 00000000000005dc R14: ffffc9000192f088 R15: ffff88800c3faf08
[  455.233749][ T1977] FS:  00007f4beba7c800(0000) GS:ffff888079bb7000(0000) knlGS:0000000000000000
[  455.234328][ T1977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  455.234726][ T1977] CR2: 00000000004e73e8 CR3: 0000000005009003 CR4: 0000000000772ef0
[  455.235234][ T1977] PKRU: 55555554
[  455.235480][ T1977] Call Trace:
[  455.235719][ T1977]  <TASK>
[ 455.235885][ T1977] ? __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) 
[ 455.236317][ T1977] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 455.236686][ T1977] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 455.237007][ T1977] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 455.237354][ T1977] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 455.237672][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 455.237987][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 455.238336][ T1977] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 455.238656][ T1977] ? ___sys_sendmsg (net/socket.c:2670) 
[ 455.238978][ T1977] ? __sys_sendmsg (net/socket.c:2700) 
[ 455.239320][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 455.239637][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 455.240031][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.240399][ T1977] netif_set_mtu (net/core/dev.c:9652) 
[ 455.240725][ T1977] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 455.241087][ T1977] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 455.241363][ T1977] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 455.241807][ T1977] br_del_if (net/bridge/br_if.c:743) bridge 
[ 455.242173][ T1977] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 455.242508][ T1977] do_set_master (net/core/rtnetlink.c:2932) 
[ 455.242866][ T1977] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 455.243222][ T1977] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 455.243641][ T1977] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 455.243972][ T1977] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 455.244342][ T1977] ? __kernel_text_address (kernel/extable.c:79) 
[ 455.244666][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.244986][ T1977] ? __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) 
[ 455.245339][ T1977] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 455.245730][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.246089][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.246420][ T1977] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 455.246744][ T1977] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 455.247113][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.247446][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 455.247759][ T1977] ? __create_object (mm/kmemleak.c:771) 
[ 455.248096][ T1977] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 455.248443][ T1977] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 455.248780][ T1977] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 455.249228][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 455.249564][ T1977] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 455.249887][ T1977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.250243][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.250567][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.250886][ T1977] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 455.251252][ T1977] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 455.251581][ T1977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.251930][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 455.252494][ T1977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.253051][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.253630][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 455.254195][ T1977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.254787][ T1977] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 455.255398][ T1977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 455.255972][ T1977] ? 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) 
[ 455.256569][ T1977] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 455.257154][ T1977] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 455.257738][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.258336][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 455.258919][ T1977] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 455.259507][ T1977] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 455.260094][ T1977] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 455.260645][ T1977] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 455.260979][ T1977] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 455.261431][ T1977] ___sys_sendmsg (net/socket.c:2670) 
[ 455.261809][ T1977] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 455.262166][ T1977] ? __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) 
[ 455.262574][ T1977] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 455.262904][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.263250][ T1977] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.263579][ T1977] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.263894][ T1977] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 455.264236][ T1977] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 455.264562][ T1977] __sys_sendmsg (net/socket.c:2700) 
[ 455.264879][ T1977] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 455.265298][ T1977] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 455.265636][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.266062][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 455.266634][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  455.267329][ T1977] RIP: 0033:0x7f4bebc491e7
[ 455.267906][ T1977] 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)
[  455.269943][ T1977] RSP: 002b:00007fff8321d468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  455.270812][ T1977] RAX: ffffffffffffffda RBX: 00007fff8321db90 RCX: 00007f4bebc491e7
[  455.271494][ T1977] RDX: 0000000000000000 RSI: 00007fff8321d4d0 RDI: 0000000000000005
[  455.271983][ T1977] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  455.272501][ T1977] R10: 00007f4bebb46ee8 R11: 0000000000000246 R12: 0000000000000003
[  455.272993][ T1977] R13: 00000000686e6d2e R14: 0000000000499600 R15: 0000000000000000
| [  456.351597][ T1993] ------------[ cut here ]------------
| [ 456.352155][ T1993] WARNING: CPU: 3 PID: 1993 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) 
| [  456.353256][ T1993] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  456.354865][ T1993] Tainted: [W]=WARN
[  456.355303][ T1993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 456.355886][ T1993] 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) 
[ 456.356236][ T1993] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  456.357404][ T1993] RSP: 0018:ffffc9000199ef70 EFLAGS: 00010246
[  456.357807][ T1993] RAX: 0000000000000000 RBX: ffff88800c68a000 RCX: 0000000000000001
[  456.358307][ T1993] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  456.358782][ T1993] RBP: ffffc9000199f058 R08: 0000000000000000 R09: 0000000000000000
[  456.359281][ T1993] R10: ffffc9000199f088 R11: ffffffffb3d79160 R12: 1ffff92000333df2
[  456.359760][ T1993] R13: 00000000000026ac R14: ffffc9000199f088 R15: ffff88800c68af08
[  456.360287][ T1993] FS:  00007fd34cafa800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[  456.360841][ T1993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  456.361469][ T1993] CR2: 00000000004e5630 CR3: 000000000ea47002 CR4: 0000000000772ef0
[  456.362176][ T1993] PKRU: 55555554
[  456.362427][ T1993] Call Trace:
[  456.362666][ T1993]  <TASK>
[ 456.362834][ T1993] ? __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) 
[ 456.363259][ T1993] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 456.363619][ T1993] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 456.363946][ T1993] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 456.364329][ T1993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 456.364649][ T1993] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 456.364981][ T1993] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 456.365631][ T1993] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 456.366170][ T1993] ? ___sys_sendmsg (net/socket.c:2670) 
[ 456.366712][ T1993] ? __sys_sendmsg (net/socket.c:2700) 
[ 456.367255][ T1993] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 456.367756][ T1993] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 456.368424][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.368977][ T1993] netif_set_mtu (net/core/dev.c:9652) 
[ 456.369505][ T1993] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 456.370085][ T1993] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 456.370519][ T1993] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 456.371274][ T1993] br_del_if (net/bridge/br_if.c:743) bridge 
[ 456.371795][ T1993] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 456.372129][ T1993] do_set_master (net/core/rtnetlink.c:2932) 
[ 456.372462][ T1993] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 456.372773][ T1993] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 456.373191][ T1993] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 456.373508][ T1993] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 456.373812][ T1993] ? __kernel_text_address (kernel/extable.c:79) 
[ 456.374133][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.374451][ T1993] ? __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) 
[ 456.374757][ T1993] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 456.375150][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.375472][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.375777][ T1993] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 456.376093][ T1993] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 456.376412][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.376727][ T1993] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 456.377044][ T1993] ? __create_object (mm/kmemleak.c:771) 
[ 456.377366][ T1993] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 456.377672][ T1993] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 456.377981][ T1993] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 456.378655][ T1993] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 456.379158][ T1993] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 456.379479][ T1993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 456.379788][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.380133][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.380668][ T1993] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 456.381154][ T1993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 456.381700][ T1993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 456.382228][ T1993] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 456.382763][ T1993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 456.383348][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.383896][ T1993] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 456.384447][ T1993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 456.384980][ T1993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 456.385537][ T1993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 456.386065][ T1993] ? 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) 
[ 456.386633][ T1993] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 456.387146][ T1993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 456.387719][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.388294][ T1993] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 456.388857][ T1993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 456.389430][ T1993] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 456.390000][ T1993] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 456.390547][ T1993] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 456.391112][ T1993] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 456.391831][ T1993] ___sys_sendmsg (net/socket.c:2670) 
[ 456.392391][ T1993] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 456.392936][ T1993] ? __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) 
[ 456.393644][ T1993] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 456.394210][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.394735][ T1993] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.395293][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.395865][ T1993] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 456.396422][ T1993] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 456.396980][ T1993] __sys_sendmsg (net/socket.c:2700) 
[ 456.397525][ T1993] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 456.398220][ T1993] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 456.398819][ T1993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.399387][ T1993] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 456.399927][ T1993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  456.400600][ T1993] RIP: 0033:0x7fd34ccc71e7
[ 456.401167][ T1993] 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)
[  456.402314][ T1993] RSP: 002b:00007ffd1011d2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  456.402776][ T1993] RAX: ffffffffffffffda RBX: 00007ffd1011d9d0 RCX: 00007fd34ccc71e7
[  456.403249][ T1993] RDX: 0000000000000000 RSI: 00007ffd1011d310 RDI: 0000000000000005
[  456.403714][ T1993] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  456.404186][ T1993] R10: 00007fd34cbc4ee8 R11: 0000000000000246 R12: 0000000000000003
[  456.404654][ T1993] R13: 00000000686e6d30 R14: 0000000000499600 R15: 0000000000000000
| [  456.550701][ T1995] ------------[ cut here ]------------
| [ 456.551078][ T1995] WARNING: CPU: 2 PID: 1995 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) 
| [  456.551727][ T1995] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  456.553080][ T1995] Tainted: [W]=WARN
[  456.553359][ T1995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 456.553788][ T1995] 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) 
[ 456.554155][ T1995] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  456.555328][ T1995] RSP: 0018:ffffc900019bef70 EFLAGS: 00010246
[  456.555758][ T1995] RAX: 0000000000000000 RBX: ffff88800c68a000 RCX: 0000000000000001
[  456.556262][ T1995] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  456.556780][ T1995] RBP: ffffc900019bf058 R08: 0000000000000000 R09: 0000000000000000
[  456.557293][ T1995] R10: ffffc900019bf088 R11: ffffffffb3d79160 R12: 1ffff92000337df2
[  456.557800][ T1995] R13: 00000000000005dc R14: ffffc900019bf088 R15: ffff88800c68af08
[  456.558318][ T1995] FS:  00007fa373e26800(0000) GS:ffff888079bb7000(0000) knlGS:0000000000000000
[  456.558896][ T1995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  456.559311][ T1995] CR2: 00007fff64e8dae8 CR3: 0000000005000004 CR4: 0000000000772ef0
[  456.559858][ T1995] PKRU: 55555554
[  456.560141][ T1995] Call Trace:
[  456.560407][ T1995]  <TASK>
[ 456.560593][ T1995] ? __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) 
[ 456.561024][ T1995] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 456.561431][ T1995] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 456.561756][ T1995] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 456.562086][ T1995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 456.562441][ T1995] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 456.562776][ T1995] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 456.563112][ T1995] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 456.563465][ T1995] ? ___sys_sendmsg (net/socket.c:2670) 
[ 456.563785][ T1995] ? __sys_sendmsg (net/socket.c:2700) 
[ 456.564099][ T1995] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 456.564433][ T1995] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 456.564853][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.565211][ T1995] netif_set_mtu (net/core/dev.c:9652) 
[ 456.565545][ T1995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 456.565879][ T1995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 456.566123][ T1995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 456.566577][ T1995] br_del_if (net/bridge/br_if.c:743) bridge 
[ 456.566933][ T1995] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 456.567296][ T1995] do_set_master (net/core/rtnetlink.c:2932) 
[ 456.567637][ T1995] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 456.567967][ T1995] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 456.568392][ T1995] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 456.568727][ T1995] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 456.569056][ T1995] ? __kernel_text_address (kernel/extable.c:79) 
[ 456.569403][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.569726][ T1995] ? __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) 
[ 456.570044][ T1995] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 456.570497][ T1995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.570931][ T1995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.571309][ T1995] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 456.571673][ T1995] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 456.571994][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.572338][ T1995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 456.572665][ T1995] ? __create_object (mm/kmemleak.c:771) 
[ 456.573003][ T1995] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 456.573362][ T1995] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 456.573702][ T1995] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 456.574095][ T1995] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 456.574449][ T1995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 456.574773][ T1995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 456.575093][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.575433][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.575755][ T1995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 456.576082][ T1995] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 456.576434][ T1995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 456.576771][ T1995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 456.577107][ T1995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 456.577447][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.577786][ T1995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 456.578119][ T1995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 456.578465][ T1995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 456.578796][ T1995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 456.579128][ T1995] ? 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) 
[ 456.579467][ T1995] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 456.579849][ T1995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 456.580187][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.580546][ T1995] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 456.580894][ T1995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 456.581282][ T1995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 456.581631][ T1995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 456.581966][ T1995] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 456.582324][ T1995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 456.582756][ T1995] ___sys_sendmsg (net/socket.c:2670) 
[ 456.583089][ T1995] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 456.583446][ T1995] ? __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) 
[ 456.583869][ T1995] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 456.584251][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.584602][ T1995] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 456.584938][ T1995] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 456.585286][ T1995] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 456.585618][ T1995] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 456.585976][ T1995] __sys_sendmsg (net/socket.c:2700) 
[ 456.586321][ T1995] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 456.586747][ T1995] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 456.587104][ T1995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.587441][ T1995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 456.587765][ T1995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  456.588177][ T1995] RIP: 0033:0x7fa373ff31e7
[ 456.588547][ T1995] 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)
[  456.589734][ T1995] RSP: 002b:00007fff342e9c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  456.590230][ T1995] RAX: ffffffffffffffda RBX: 00007fff342ea330 RCX: 00007fa373ff31e7
[  456.590714][ T1995] RDX: 0000000000000000 RSI: 00007fff342e9c70 RDI: 0000000000000005
[  456.591224][ T1995] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  456.591707][ T1995] R10: 00007fa373ef0ee8 R11: 0000000000000246 R12: 0000000000000003
[  456.592175][ T1995] R13: 00000000686e6d30 R14: 0000000000499600 R15: 0000000000000000
| [  457.696122][ T2009] ------------[ cut here ]------------
| [ 457.696560][ T2009] WARNING: CPU: 3 PID: 2009 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) 
| [  457.697237][ T2009] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  457.698473][ T2009] Tainted: [W]=WARN
[  457.698723][ T2009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 457.699110][ T2009] 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) 
[ 457.699435][ T2009] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  457.700591][ T2009] RSP: 0018:ffffc900019def70 EFLAGS: 00010246
[  457.701003][ T2009] RAX: 0000000000000000 RBX: ffff8880094e2000 RCX: 0000000000000001
[  457.701479][ T2009] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  457.701968][ T2009] RBP: ffffc900019df058 R08: 0000000000000000 R09: 0000000000000000
[  457.702440][ T2009] R10: ffffc900019df088 R11: ffffffffb3d79160 R12: 1ffff9200033bdf2
[  457.702921][ T2009] R13: 00000000000026ac R14: ffffc900019df088 R15: ffff8880094e2f08
[  457.703391][ T2009] FS:  00007f07fee72800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[  457.703938][ T2009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  457.704352][ T2009] CR2: 00000000004e5628 CR3: 0000000005316004 CR4: 0000000000772ef0
[  457.704851][ T2009] PKRU: 55555554
[  457.705088][ T2009] Call Trace:
[  457.705366][ T2009]  <TASK>
[ 457.705524][ T2009] ? __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) 
[ 457.705918][ T2009] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 457.706281][ T2009] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 457.706588][ T2009] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 457.706891][ T2009] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 457.707250][ T2009] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.707580][ T2009] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.707883][ T2009] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.708190][ T2009] ? ___sys_sendmsg (net/socket.c:2670) 
[ 457.708541][ T2009] ? __sys_sendmsg (net/socket.c:2700) 
[ 457.708844][ T2009] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.709146][ T2009] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 457.709532][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.709847][ T2009] netif_set_mtu (net/core/dev.c:9652) 
[ 457.710161][ T2009] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 457.710491][ T2009] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 457.710722][ T2009] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 457.711158][ T2009] br_del_if (net/bridge/br_if.c:743) bridge 
[ 457.711507][ T2009] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 457.711815][ T2009] do_set_master (net/core/rtnetlink.c:2932) 
[ 457.712128][ T2009] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 457.712462][ T2009] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 457.712873][ T2009] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.713219][ T2009] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 457.713527][ T2009] ? __kernel_text_address (kernel/extable.c:79) 
[ 457.713835][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.714142][ T2009] ? __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) 
[ 457.714510][ T2009] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 457.714897][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.715217][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.715529][ T2009] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 457.715833][ T2009] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 457.716140][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.716452][ T2009] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 457.716763][ T2009] ? __create_object (mm/kmemleak.c:771) 
[ 457.717073][ T2009] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 457.717395][ T2009] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 457.717701][ T2009] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 457.718081][ T2009] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 457.718412][ T2009] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 457.718726][ T2009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.719030][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.719360][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.719669][ T2009] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 457.719978][ T2009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.720298][ T2009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.720602][ T2009] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 457.720906][ T2009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.721253][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.721568][ T2009] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 457.721871][ T2009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.722183][ T2009] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 457.722509][ T2009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 457.722812][ T2009] ? 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) 
[ 457.723159][ T2009] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.723480][ T2009] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 457.723785][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.724118][ T2009] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.724450][ T2009] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 457.724754][ T2009] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 457.725064][ T2009] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.725383][ T2009] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 457.725686][ T2009] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 457.726073][ T2009] ___sys_sendmsg (net/socket.c:2670) 
[ 457.726381][ T2009] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 457.726689][ T2009] ? __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) 
[ 457.727068][ T2009] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 457.727384][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.727694][ T2009] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.728003][ T2009] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.728311][ T2009] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 457.728616][ T2009] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.728932][ T2009] __sys_sendmsg (net/socket.c:2700) 
[ 457.729241][ T2009] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 457.729617][ T2009] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 457.729936][ T2009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.730247][ T2009] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.730552][ T2009] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  457.730931][ T2009] RIP: 0033:0x7f07ff03f1e7
[ 457.731301][ T2009] 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)
[  457.732404][ T2009] RSP: 002b:00007ffc97bca0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.732864][ T2009] RAX: ffffffffffffffda RBX: 00007ffc97bca7e0 RCX: 00007f07ff03f1e7
[  457.733329][ T2009] RDX: 0000000000000000 RSI: 00007ffc97bca120 RDI: 0000000000000005
[  457.733784][ T2009] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  457.734252][ T2009] R10: 00007f07fef3cee8 R11: 0000000000000246 R12: 0000000000000003
[  457.734706][ T2009] R13: 00000000686e6d31 R14: 0000000000499600 R15: 0000000000000000
| [  457.876569][ T2011] ------------[ cut here ]------------
| [ 457.876905][ T2011] WARNING: CPU: 0 PID: 2011 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) 
| [  457.878599][ T2011] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  457.879857][ T2011] Tainted: [W]=WARN
[  457.880089][ T2011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 457.880500][ T2011] 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) 
[ 457.880821][ T2011] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  457.882096][ T2011] RSP: 0018:ffffc900019cef70 EFLAGS: 00010246
[  457.882537][ T2011] RAX: 0000000000000000 RBX: ffff8880094e2000 RCX: 0000000000000001
[  457.882997][ T2011] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  457.883478][ T2011] RBP: ffffc900019cf058 R08: 0000000000000000 R09: 0000000000000000
[  457.883940][ T2011] R10: ffffc900019cf088 R11: ffffffffb3d79160 R12: 1ffff92000339df2
[  457.884407][ T2011] R13: 00000000000005dc R14: ffffc900019cf088 R15: ffff8880094e2f08
[  457.884866][ T2011] FS:  00007fac0ab8b800(0000) GS:ffff888079ab7000(0000) knlGS:0000000000000000
[  457.885415][ T2011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  457.885804][ T2011] CR2: 00000000004e73b8 CR3: 000000000ccc3002 CR4: 0000000000772ef0
[  457.886271][ T2011] PKRU: 55555554
[  457.886502][ T2011] Call Trace:
[  457.886730][ T2011]  <TASK>
[ 457.886886][ T2011] ? __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) 
[ 457.887278][ T2011] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 457.887636][ T2011] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 457.887948][ T2011] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 457.888289][ T2011] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 457.888597][ T2011] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.888905][ T2011] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.889217][ T2011] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.889536][ T2011] ? ___sys_sendmsg (net/socket.c:2670) 
[ 457.889844][ T2011] ? __sys_sendmsg (net/socket.c:2700) 
[ 457.890149][ T2011] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.890462][ T2011] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 457.890838][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.891174][ T2011] netif_set_mtu (net/core/dev.c:9652) 
[ 457.891488][ T2011] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 457.891810][ T2011] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 457.892045][ T2011] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 457.892481][ T2011] br_del_if (net/bridge/br_if.c:743) bridge 
[ 457.892828][ T2011] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 457.893136][ T2011] do_set_master (net/core/rtnetlink.c:2932) 
[ 457.893455][ T2011] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 457.893764][ T2011] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 457.894150][ T2011] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.894464][ T2011] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 457.894777][ T2011] ? __kernel_text_address (kernel/extable.c:79) 
[ 457.895087][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.895425][ T2011] ? __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) 
[ 457.895731][ T2011] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 457.896111][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.896428][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.896730][ T2011] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 457.897045][ T2011] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 457.897359][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.897670][ T2011] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 457.897973][ T2011] ? __create_object (mm/kmemleak.c:771) 
[ 457.898290][ T2011] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 457.898689][ T2011] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 457.898994][ T2011] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 457.899385][ T2011] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 457.899699][ T2011] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 457.900015][ T2011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.900328][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.900637][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.900942][ T2011] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 457.901266][ T2011] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.901572][ T2011] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.901881][ T2011] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 457.902185][ T2011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.902499][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.902810][ T2011] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 457.903115][ T2011] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.903431][ T2011] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 457.903747][ T2011] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 457.904057][ T2011] ? 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) 
[ 457.904371][ T2011] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.904684][ T2011] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 457.904988][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.905305][ T2011] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.905614][ T2011] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 457.905919][ T2011] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 457.906241][ T2011] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.906555][ T2011] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 457.906868][ T2011] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 457.907277][ T2011] ___sys_sendmsg (net/socket.c:2670) 
[ 457.907581][ T2011] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 457.907886][ T2011] ? __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) 
[ 457.908275][ T2011] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 457.908589][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.908915][ T2011] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.909240][ T2011] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.909549][ T2011] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 457.909857][ T2011] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.910169][ T2011] __sys_sendmsg (net/socket.c:2700) 
[ 457.910482][ T2011] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 457.910860][ T2011] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 457.911313][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.911628][ T2011] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.911937][ T2011] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  457.912325][ T2011] RIP: 0033:0x7fac0ad581e7
[ 457.912644][ T2011] 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)
[  457.913747][ T2011] RSP: 002b:00007ffeccc1d1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.914218][ T2011] RAX: ffffffffffffffda RBX: 00007ffeccc1d8e0 RCX: 00007fac0ad581e7
[  457.914678][ T2011] RDX: 0000000000000000 RSI: 00007ffeccc1d220 RDI: 0000000000000005
[  457.915135][ T2011] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  457.915607][ T2011] R10: 00007fac0ac55ee8 R11: 0000000000000246 R12: 0000000000000003
[  457.916065][ T2011] R13: 00000000686e6d31 R14: 0000000000499600 R15: 0000000000000000
| [  458.667585][ T2019] ------------[ cut here ]------------
| [ 458.667898][ T2019] WARNING: CPU: 3 PID: 2019 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) 
| [  458.669757][ T2019] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  458.670829][ T2019] Tainted: [W]=WARN
[  458.671106][ T2019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 458.671463][ T2019] 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) 
[ 458.671757][ T2019] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  458.672759][ T2019] RSP: 0018:ffffc900019ef140 EFLAGS: 00010246
[  458.673116][ T2019] RAX: 0000000000000000 RBX: ffff88800c1e1000 RCX: 0000000000000001
[  458.673551][ T2019] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  458.674061][ T2019] RBP: ffffc900019ef230 R08: ffff888009115000 R09: 0000000000000000
[  458.674482][ T2019] R10: ffffc900019ef5c8 R11: ffffffffb4650668 R12: 1ffff9200033de2c
[  458.674896][ T2019] R13: 00000000000005dc R14: ffffc900019ef880 R15: ffff88800f5a11e0
[  458.675314][ T2019] FS:  00007f87f6aec800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[  458.675793][ T2019] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  458.676145][ T2019] CR2: 00000000004e5ab0 CR3: 000000000a02f003 CR4: 0000000000772ef0
[  458.676567][ T2019] PKRU: 55555554
[  458.676775][ T2019] Call Trace:
[  458.676991][ T2019]  <TASK>
[ 458.677133][ T2019] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 458.677422][ T2019] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 458.677700][ T2019] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 458.677984][ T2019] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 458.678279][ T2019] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 458.678563][ T2019] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 458.678843][ T2019] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 458.679126][ T2019] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 458.679488][ T2019] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 458.679771][ T2019] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 458.680052][ T2019] ? __kernel_text_address (kernel/extable.c:79) 
[ 458.680382][ T2019] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 458.680667][ T2019] ? __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) 
[ 458.680944][ T2019] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 458.681336][ T2019] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 458.681616][ T2019] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 458.682029][ T2019] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 458.682491][ T2019] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 458.682983][ T2019] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 458.683479][ T2019] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 458.683962][ T2019] ? __create_object (mm/kmemleak.c:771) 
[ 458.684483][ T2019] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 458.684980][ T2019] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 458.685480][ T2019] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 458.686095][ T2019] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 458.686620][ T2019] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 458.687142][ T2019] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 458.687648][ T2019] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 458.688267][ T2019] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 458.688728][ T2019] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 458.689103][ T2019] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 458.689448][ T2019] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 458.689726][ T2019] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 458.690004][ T2019] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 458.690317][ T2019] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 458.690602][ T2019] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 458.690880][ T2019] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 458.691171][ T2019] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 458.691603][ T2019] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 458.691881][ T2019] ? 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) 
[ 458.692169][ T2019] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 458.692469][ T2019] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 458.692745][ T2019] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 458.693031][ T2019] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 458.693327][ T2019] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 458.693605][ T2019] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 458.693889][ T2019] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 458.694168][ T2019] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 458.694468][ T2019] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 458.694824][ T2019] ___sys_sendmsg (net/socket.c:2670) 
[ 458.695098][ T2019] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 458.695397][ T2019] ? __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) 
[ 458.695744][ T2019] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 458.696020][ T2019] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 458.696318][ T2019] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 458.696614][ T2019] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 458.696887][ T2019] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 458.697163][ T2019] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 458.697466][ T2019] __sys_sendmsg (net/socket.c:2700) 
[ 458.697832][ T2019] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 458.698175][ T2019] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 458.698502][ T2019] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 458.698794][ T2019] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 458.699075][ T2019] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  458.699440][ T2019] RIP: 0033:0x7f87f6cb91e7
[ 458.699729][ T2019] 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)
[  458.700745][ T2019] RSP: 002b:00007ffe4a45b318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  458.701179][ T2019] RAX: ffffffffffffffda RBX: 00007ffe4a45ba40 RCX: 00007f87f6cb91e7
[  458.701617][ T2019] RDX: 0000000000000000 RSI: 00007ffe4a45b380 RDI: 0000000000000005
[  458.702028][ T2019] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  458.702456][ T2019] R10: 00007f87f6bb6ee8 R11: 0000000000000246 R12: 0000000000000004
[  458.702878][ T2019] R13: 00000000686e6d32 R14: 0000000000499600 R15: 0000000000000000
| [  458.992927][ T2023] ------------[ cut here ]------------
| [ 458.993257][ T2023] WARNING: CPU: 3 PID: 2023 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) 
| [  458.993806][ T2023] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  458.996418][ T2023] Tainted: [W]=WARN
[  458.996628][ T2023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 458.996968][ T2023] 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) 
[ 458.997262][ T2023] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  458.998349][ T2023] RSP: 0018:ffffc90001a0f140 EFLAGS: 00010246
[  458.998699][ T2023] RAX: 0000000000000000 RBX: ffff888005621000 RCX: 0000000000000001
[  458.999110][ T2023] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  458.999526][ T2023] RBP: ffffc90001a0f230 R08: ffff88800c2c5000 R09: 0000000000000000
[  458.999953][ T2023] R10: ffffc90001a0f5c8 R11: ffffffffb4650668 R12: 1ffff92000341e2c
[  459.000376][ T2023] R13: 00000000000005dc R14: ffffc90001a0f880 R15: ffff888004bbce60
[  459.000787][ T2023] FS:  00007fc5d29a0800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[  459.001387][ T2023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  459.001787][ T2023] CR2: 00000000004e5aa8 CR3: 00000000096b3002 CR4: 0000000000772ef0
[  459.002222][ T2023] PKRU: 55555554
[  459.002428][ T2023] Call Trace:
[  459.002640][ T2023]  <TASK>
[ 459.002788][ T2023] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.003074][ T2023] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 459.003359][ T2023] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 459.003656][ T2023] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 459.003941][ T2023] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 459.004231][ T2023] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 459.004511][ T2023] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 459.004809][ T2023] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 459.005165][ T2023] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 459.005466][ T2023] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 459.005752][ T2023] ? __kernel_text_address (kernel/extable.c:79) 
[ 459.006030][ T2023] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.006316][ T2023] ? __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) 
[ 459.006594][ T2023] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 459.006934][ T2023] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 459.007217][ T2023] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 459.007491][ T2023] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 459.007774][ T2023] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 459.008054][ T2023] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.008335][ T2023] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 459.008607][ T2023] ? __create_object (mm/kmemleak.c:771) 
[ 459.008886][ T2023] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 459.009162][ T2023] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 459.009445][ T2023] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 459.009785][ T2023] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 459.010076][ T2023] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 459.010391][ T2023] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 459.010669][ T2023] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.010955][ T2023] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.011253][ T2023] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 459.011524][ T2023] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 459.011801][ T2023] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 459.012076][ T2023] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 459.012395][ T2023] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 459.012700][ T2023] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.012983][ T2023] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 459.013272][ T2023] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 459.013549][ T2023] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 459.013843][ T2023] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 459.014118][ T2023] ? 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) 
[ 459.014411][ T2023] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 459.014710][ T2023] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 459.015019][ T2023] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.015395][ T2023] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 459.015675][ T2023] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 459.015952][ T2023] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 459.016243][ T2023] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 459.016536][ T2023] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 459.016809][ T2023] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 459.017190][ T2023] ___sys_sendmsg (net/socket.c:2670) 
[ 459.017503][ T2023] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 459.017782][ T2023] ? __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) 
[ 459.018127][ T2023] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 459.018413][ T2023] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.018722][ T2023] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.019007][ T2023] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.019293][ T2023] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 459.019570][ T2023] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 459.019878][ T2023] __sys_sendmsg (net/socket.c:2700) 
[ 459.020154][ T2023] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 459.020583][ T2023] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 459.020883][ T2023] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 459.021172][ T2023] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 459.021459][ T2023] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  459.021815][ T2023] RIP: 0033:0x7fc5d2b6d1e7
[ 459.022101][ T2023] 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)
[  459.023116][ T2023] RSP: 002b:00007ffc3d2ae138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  459.023542][ T2023] RAX: ffffffffffffffda RBX: 00007ffc3d2ae860 RCX: 00007fc5d2b6d1e7
[  459.023955][ T2023] RDX: 0000000000000000 RSI: 00007ffc3d2ae1a0 RDI: 0000000000000005
[  459.024373][ T2023] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  459.024794][ T2023] R10: 00007fc5d2a6aee8 R11: 0000000000000246 R12: 0000000000000004
[  459.025215][ T2023] R13: 00000000686e6d32 R14: 0000000000499600 R15: 0000000000000000
| [  459.806034][ T2033] ------------[ cut here ]------------
| [ 459.806377][ T2033] WARNING: CPU: 3 PID: 2033 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) 
| [  459.806965][ T2033] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  459.808102][ T2033] Tainted: [W]=WARN
[  459.808334][ T2033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 459.808702][ T2033] 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) 
[ 459.808998][ T2033] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  459.810133][ T2033] RSP: 0018:ffffc90001a3f140 EFLAGS: 00010246
[  459.810501][ T2033] RAX: 0000000000000000 RBX: ffff88800c1e4000 RCX: 0000000000000001
[  459.810943][ T2033] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  459.811402][ T2033] RBP: ffffc90001a3f230 R08: ffff88800f7da000 R09: 0000000000000000
[  459.811853][ T2033] R10: ffffc90001a3f5c8 R11: ffffffffb4650668 R12: 1ffff92000347e2c
[  459.812398][ T2033] R13: 00000000000005dc R14: ffffc90001a3f880 R15: ffff888004cd8e60
[  459.812859][ T2033] FS:  00007fa3f725d800(0000) GS:ffff888079c37000(0000) knlGS:0000000000000000
[  459.813361][ T2033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  459.813722][ T2033] CR2: 00000000004e5ab8 CR3: 000000000c297003 CR4: 0000000000772ef0
[  459.814157][ T2033] PKRU: 55555554
[  459.814401][ T2033] Call Trace:
[  459.814613][ T2033]  <TASK>
[ 459.814763][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.815058][ T2033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 459.815357][ T2033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 459.815648][ T2033] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 459.815953][ T2033] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 459.816247][ T2033] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 459.816538][ T2033] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 459.816842][ T2033] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 459.817215][ T2033] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 459.817502][ T2033] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 459.817779][ T2033] ? __kernel_text_address (kernel/extable.c:79) 
[ 459.818088][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.818378][ T2033] ? __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) 
[ 459.818662][ T2033] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 459.819037][ T2033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 459.819343][ T2033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 459.819640][ T2033] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 459.819958][ T2033] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 459.820273][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.820553][ T2033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 459.820841][ T2033] ? __create_object (mm/kmemleak.c:771) 
[ 459.821156][ T2033] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 459.821476][ T2033] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 459.821761][ T2033] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 459.822132][ T2033] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 459.822431][ T2033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 459.822719][ T2033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 459.823016][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.823345][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.823642][ T2033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 459.823921][ T2033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 459.824234][ T2033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 459.824514][ T2033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 459.824799][ T2033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 459.825098][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.825397][ T2033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 459.825701][ T2033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 459.825989][ T2033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 459.826319][ T2033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 459.826604][ T2033] ? 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) 
[ 459.826888][ T2033] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 459.827189][ T2033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 459.827494][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.827784][ T2033] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 459.828075][ T2033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 459.828390][ T2033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 459.828679][ T2033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 459.828963][ T2033] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 459.829264][ T2033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 459.829627][ T2033] ___sys_sendmsg (net/socket.c:2670) 
[ 459.829905][ T2033] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 459.830195][ T2033] ? __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) 
[ 459.830565][ T2033] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 459.830849][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.831156][ T2033] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 459.831477][ T2033] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 459.831756][ T2033] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 459.832037][ T2033] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 459.832365][ T2033] __sys_sendmsg (net/socket.c:2700) 
[ 459.832646][ T2033] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 459.832998][ T2033] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 459.833327][ T2033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 459.833610][ T2033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 459.833891][ T2033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  459.834246][ T2033] RIP: 0033:0x7fa3f742a1e7
[ 459.834563][ T2033] 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)
[  459.835595][ T2033] RSP: 002b:00007fffd3562c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  459.836019][ T2033] RAX: ffffffffffffffda RBX: 00007fffd35633c0 RCX: 00007fa3f742a1e7
[  459.836470][ T2033] RDX: 0000000000000000 RSI: 00007fffd3562d00 RDI: 0000000000000005
[  459.836894][ T2033] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  459.837336][ T2033] R10: 00007fa3f7327ee8 R11: 0000000000000246 R12: 0000000000000004
[  459.837767][ T2033] R13: 00000000686e6d33 R14: 0000000000499600 R15: 0000000000000000
| [  461.203868][ T2047] ------------[ cut here ]------------
| [ 461.204243][ T2047] WARNING: CPU: 2 PID: 2047 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) 
| [  461.204803][ T2047] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  461.207041][ T2047] Tainted: [W]=WARN
[  461.207275][ T2047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 461.207632][ T2047] 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) 
[ 461.207927][ T2047] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  461.208931][ T2047] RSP: 0018:ffffc90001aff140 EFLAGS: 00010246
[  461.209303][ T2047] RAX: 0000000000000000 RBX: ffff888007881000 RCX: 0000000000000001
[  461.209727][ T2047] RDX: 0000000000000000 RSI: ffffffffb389b939 RDI: ffffffffb30555e0
[  461.210153][ T2047] RBP: ffffc90001aff230 R08: ffff88800f5c3800 R09: 0000000000000000
[  461.210592][ T2047] R10: ffffc90001aff5c8 R11: ffffffffb4650668 R12: 1ffff9200035fe2c
[  461.211040][ T2047] R13: 00000000000005dc R14: ffffc90001aff880 R15: ffff888004bbce60
[  461.211479][ T2047] FS:  00007f43a4f45800(0000) GS:ffff888079bb7000(0000) knlGS:0000000000000000
[  461.211973][ T2047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  461.212346][ T2047] CR2: 00000000004e5aa0 CR3: 00000000025bf003 CR4: 0000000000772ef0
[  461.212777][ T2047] PKRU: 55555554
[  461.213001][ T2047] Call Trace:
[  461.213238][ T2047]  <TASK>
[ 461.213396][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 461.213688][ T2047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 461.213972][ T2047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 461.214276][ T2047] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 461.214564][ T2047] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 461.214852][ T2047] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 461.215145][ T2047] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 461.215479][ T2047] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 461.215854][ T2047] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 461.216144][ T2047] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 461.216442][ T2047] ? __kernel_text_address (kernel/extable.c:79) 
[ 461.216737][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 461.217025][ T2047] ? __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) 
[ 461.217323][ T2047] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 461.217676][ T2047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 461.217966][ T2047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 461.218264][ T2047] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 461.218558][ T2047] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 461.218851][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 461.219155][ T2047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 461.219452][ T2047] ? __create_object (mm/kmemleak.c:771) 
[ 461.219742][ T2047] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 461.220034][ T2047] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 461.220336][ T2047] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 461.220691][ T2047] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 461.220993][ T2047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 461.221299][ T2047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 461.221595][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 461.221886][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 461.222173][ T2047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 461.222468][ T2047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 461.222757][ T2047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 461.223043][ T2047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 461.223341][ T2047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 461.223632][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 461.223930][ T2047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 461.224233][ T2047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 461.224522][ T2047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 461.224822][ T2047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 461.225105][ T2047] ? 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) 
[ 461.225404][ T2047] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 461.225696][ T2047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 461.225984][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 461.226287][ T2047] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 461.226579][ T2047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 461.226866][ T2047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 461.227160][ T2047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 461.227460][ T2047] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 461.227750][ T2047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 461.228117][ T2047] ___sys_sendmsg (net/socket.c:2670) 
[ 461.228417][ T2047] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 461.228705][ T2047] ? __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) 
[ 461.229060][ T2047] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 461.229361][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 461.229652][ T2047] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 461.229946][ T2047] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 461.230257][ T2047] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 461.230564][ T2047] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 461.230857][ T2047] __sys_sendmsg (net/socket.c:2700) 
[ 461.231158][ T2047] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 461.231522][ T2047] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 461.231821][ T2047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 461.232108][ T2047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 461.232411][ T2047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  461.232764][ T2047] RIP: 0033:0x7f43a51121e7
[ 461.233104][ T2047] 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)
[  461.234105][ T2047] RSP: 002b:00007ffea33aff38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.234554][ T2047] RAX: ffffffffffffffda RBX: 00007ffea33b0660 RCX: 00007f43a51121e7
[  461.234977][ T2047] RDX: 0000000000000000 RSI: 00007ffea33affa0 RDI: 0000000000000005
[  461.235410][ T2047] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  461.235835][ T2047] R10: 00007f43a500fee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if