======================================
| 0
| xx__-> [   17.132212][  T283] ------------[ cut here ]------------
| [ 17.132823][ T283] WARNING: CPU: 2 PID: 283 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) 
| [   17.133423][  T283] Modules linked in:
[   17.134405][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.134797][ T283] 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) 
[ 17.135117][ T283] Code: 00 00 8b 05 87 65 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ca 7e 82 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 87 65 35 02    	mov    0x2356587(%rip),%eax        # 0x235658f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca 7e 82 00       	call   0x827eeb
  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
[   17.136332][  T283] RSP: 0018:ffffc90000c46d70 EFLAGS: 00010246
[   17.137178][  T283] RAX: 0000000000000000 RBX: ffff888008289000 RCX: 0000000000000001
[   17.137820][  T283] RDX: 0000000000000000 RSI: ffffffffa7ce6e91 RDI: ffffffffa74555a0
[   17.138298][  T283] RBP: ffffc90000c46e60 R08: 0000000000000001 R09: 0000000000000000
[   17.138774][  T283] R10: ffffc90000c46e90 R11: ffffffffa8179160 R12: 1ffff92000188db2
[   17.139232][  T283] R13: 00000000000005dc R14: ffffc90000c46e90 R15: 0000000000000000
[   17.139705][  T283] FS:  00007f8d052d7800(0000) GS:ffff88808c548000(0000) knlGS:0000000000000000
[   17.140555][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.140963][  T283] CR2: 00000000004e5800 CR3: 000000000a690005 CR4: 0000000000772ef0
[   17.141438][  T283] PKRU: 55555554
[   17.141693][  T283] Call Trace:
[   17.141929][  T283]  <TASK>
[ 17.142098][ T283] ? sysfs_create_dir_ns (fs/sysfs/dir.c:61) 
[ 17.142418][ T283] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.142741][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.143055][ T283] ? kernfs_get.part.0 (./arch/x86/include/asm/atomic.h:53 ./include/linux/atomic/atomic-arch-fallback.h:992 ./include/linux/atomic/atomic-instrumented.h:436 fs/kernfs/dir.c:538) 
[ 17.143367][ T283] ? create_dir (lib/kobject.c:1063 lib/kobject.c:95) 
[ 17.143698][ T283] netif_set_mtu (net/core/dev.c:9652) 
[ 17.144012][ T283] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 17.144326][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.144670][ T283] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 17.144987][ T283] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 17.145220][ T283] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 17.145556][ T283] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 17.145869][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.146179][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.146487][ T283] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 17.146805][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.147116][ T283] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 17.147428][ T283] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.147753][ T283] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.148063][ T283] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.148449][ T283] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.148771][ T283] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.149088][ T283] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.149397][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.149720][ T283] ? __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) 
[ 17.150024][ T283] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.150403][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.150727][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.151035][ T283] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.151347][ T283] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.151668][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.151976][ T283] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.152282][ T283] ? __create_object (mm/kmemleak.c:771) 
[ 17.152618][ T283] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.152940][ T283] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.153248][ T283] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.153642][ T283] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.153954][ T283] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.154267][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.154584][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.154897][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.155205][ T283] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.155514][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.155834][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.156141][ T283] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.156454][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.156801][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.157117][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.157423][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.157756][ T283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.158070][ T283] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.158376][ T283] ? 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) 
[ 17.158699][ T283] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.159004][ T283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.159303][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.159629][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.159936][ T283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.160239][ T283] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.160586][ T283] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.160899][ T283] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.161212][ T283] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.161617][ T283] ___sys_sendmsg (net/socket.c:2670) 
[ 17.161920][ T283] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.162225][ T283] ? __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) 
[ 17.162612][ T283] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.162918][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.163226][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.163555][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.163863][ T283] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.164168][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.164490][ T283] __sys_sendmsg (net/socket.c:2700) 
[ 17.164822][ T283] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.165205][ T283] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.165532][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.165857][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.166165][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.166552][  T283] RIP: 0033:0x7f8d054a41e7
[ 17.166877][ T283] 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)
[   17.167953][  T283] RSP: 002b:00007fffa836c798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.168415][  T283] RAX: ffffffffffffffda RBX: 00007fffa836ced0 RCX: 00007f8d054a41e7
[   17.168885][  T283] RDX: 0000000000000000 RSI: 00007fffa836c800 RDI: 0000000000000005
[   17.169359][  T283] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   17.169828][  T283] R10: 00000000249c4910 R11: 0000000000000246 R12: 0000000000000003
[   17.170291][  T283] R13: 00000000686e1370 R14: 0000000000499600 R15: 0000000000000000
| [   17.300741][  T284] ------------[ cut here ]------------
| [ 17.301177][ T284] WARNING: CPU: 2 PID: 284 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) 
| [   17.301817][  T284] Modules linked in:
| [   17.302724][  T284] Tainted: [W]=WARN
[   17.302978][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.303356][ T284] 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) 
[ 17.303682][ T284] Code: 00 00 8b 05 87 65 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ca 7e 82 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 87 65 35 02    	mov    0x2356587(%rip),%eax        # 0x235658f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca 7e 82 00       	call   0x827eeb
  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
[   17.304749][  T284] RSP: 0018:ffffc90000bb6d70 EFLAGS: 00010246
[   17.305138][  T284] RAX: 0000000000000000 RBX: ffff888009661000 RCX: 0000000000000001
[   17.305600][  T284] RDX: 0000000000000000 RSI: ffffffffa7ce6e91 RDI: ffffffffa74555a0
[   17.306051][  T284] RBP: ffffc90000bb6e60 R08: 0000000000000001 R09: 0000000000000000
[   17.306502][  T284] R10: ffffc90000bb6e90 R11: ffffffffa8179160 R12: 1ffff92000176db2
[   17.307003][  T284] R13: 00000000000005dc R14: ffffc90000bb6e90 R15: 0000000000000000
[   17.307460][  T284] FS:  00007f88f8a1a800(0000) GS:ffff88808c548000(0000) knlGS:0000000000000000
[   17.307993][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.308374][  T284] CR2: 00000000004e5800 CR3: 000000000b31c006 CR4: 0000000000772ef0
[   17.308836][  T284] PKRU: 55555554
[   17.309072][  T284] Call Trace:
[   17.309303][  T284]  <TASK>
[ 17.309464][ T284] ? sysfs_create_dir_ns (fs/sysfs/dir.c:61) 
[ 17.309791][ T284] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.310103][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.310414][ T284] ? kernfs_get.part.0 (./arch/x86/include/asm/atomic.h:53 ./include/linux/atomic/atomic-arch-fallback.h:992 ./include/linux/atomic/atomic-instrumented.h:436 fs/kernfs/dir.c:538) 
[ 17.310765][ T284] ? create_dir (lib/kobject.c:1063 lib/kobject.c:95) 
[ 17.311075][ T284] netif_set_mtu (net/core/dev.c:9652) 
[ 17.311402][ T284] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 17.311725][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.312031][ T284] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 17.312340][ T284] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 17.312583][ T284] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 17.312905][ T284] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 17.313215][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.313524][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.313844][ T284] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 17.314149][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.314460][ T284] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 17.314812][ T284] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.315124][ T284] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.315445][ T284] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.315840][ T284] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.316150][ T284] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.316452][ T284] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.316768][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.317072][ T284] ? __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) 
[ 17.317378][ T284] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.317780][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.318092][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.318397][ T284] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.318753][ T284] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.319062][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.319365][ T284] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.319680][ T284] ? __create_object (mm/kmemleak.c:771) 
[ 17.319987][ T284] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.320297][ T284] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.320616][ T284] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.321001][ T284] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.321332][ T284] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.321657][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.321966][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.322279][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.322645][ T284] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.322952][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.323262][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.323578][ T284] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.323886][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.324198][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.324513][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.324830][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.325133][ T284] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.325452][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.325770][ T284] ? 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) 
[ 17.326077][ T284] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.326381][ T284] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.326724][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.327035][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.327343][ T284] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.327658][ T284] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.327976][ T284] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.328285][ T284] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.328595][ T284] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.328982][ T284] ___sys_sendmsg (net/socket.c:2670) 
[ 17.329282][ T284] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.329596][ T284] ? __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) 
[ 17.329969][ T284] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.330282][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.330624][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.330940][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.331533][ T284] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.331858][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.332174][ T284] __sys_sendmsg (net/socket.c:2700) 
[ 17.332478][ T284] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.333081][ T284] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.333398][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.333713][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.334016][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.334633][  T284] RIP: 0033:0x7f88f8be71e7
[ 17.334952][ T284] 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)
[   17.336240][  T284] RSP: 002b:00007ffdcf265bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.336701][  T284] RAX: ffffffffffffffda RBX: 00007ffdcf266310 RCX: 00007f88f8be71e7
[   17.337363][  T284] RDX: 0000000000000000 RSI: 00007ffdcf265c40 RDI: 0000000000000005
[   17.337828][  T284] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   17.338278][  T284] R10: 0000000011971910 R11: 0000000000000246 R12: 0000000000000003
[   17.338756][  T284] R13: 00000000686e1371 R14: 0000000000499600 R15: 0000000000000000
| [   17.475002][  T285] ------------[ cut here ]------------
| [ 17.475422][ T285] WARNING: CPU: 0 PID: 285 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) 
| [   17.476474][  T285] Modules linked in:
| [   17.477988][  T285] Tainted: [W]=WARN
[   17.478391][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.479074][ T285] 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) 
[ 17.479667][ T285] Code: 00 00 8b 05 87 65 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ca 7e 82 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 87 65 35 02    	mov    0x2356587(%rip),%eax        # 0x235658f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca 7e 82 00       	call   0x827eeb
  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
[   17.481630][  T285] RSP: 0018:ffffc90000c56ef0 EFLAGS: 00010246
[   17.482309][  T285] RAX: 0000000000000000 RBX: ffff88800b592000 RCX: 0000000000000001
[   17.483126][  T285] RDX: 0000000000000000 RSI: ffffffffa7ce6e91 RDI: ffffffffa74555a0
[   17.483960][  T285] RBP: ffffc90000c56fe0 R08: 0000000000000000 R09: 0000000000000000
[   17.484780][  T285] R10: ffffc90000c57010 R11: ffffffffa8179160 R12: 1ffff9200018ade2
[   17.485604][  T285] R13: 00000000000005dc R14: ffffc90000c57010 R15: ffff88800b592ef8
[   17.486418][  T285] FS:  00007f778257f800(0000) GS:ffff88808c448000(0000) knlGS:0000000000000000
[   17.487387][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.488079][  T285] CR2: 00000000004e5aa0 CR3: 000000000d04e001 CR4: 0000000000772ef0
[   17.488909][  T285] PKRU: 55555554
[   17.489311][  T285] Call Trace:
[   17.489727][  T285]  <TASK>
[ 17.490009][ T285] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.490570][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.491139][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.491717][ T285] netif_set_mtu (net/core/dev.c:9652) 
[ 17.492257][ T285] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 17.492851][ T285] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 17.493260][ T285] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 17.493823][ T285] br_add_if (net/bridge/br_if.c:697) 
[ 17.494256][ T285] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 17.494812][ T285] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.495376][ T285] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.495945][ T285] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.496646][ T285] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.497183][ T285] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.497734][ T285] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.498279][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.498839][ T285] ? __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) 
[ 17.499388][ T285] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.500072][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.500624][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.501158][ T285] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.501684][ T285] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.502008][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.502320][ T285] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.502652][ T285] ? __create_object (mm/kmemleak.c:771) 
[ 17.502968][ T285] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.503291][ T285] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.503613][ T285] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.504002][ T285] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.504322][ T285] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.504650][ T285] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.504965][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.505297][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.505622][ T285] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.505932][ T285] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.506245][ T285] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.506572][ T285] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.506889][ T285] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.507207][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.507533][ T285] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.507855][ T285] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.508170][ T285] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.508499][ T285] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.508821][ T285] ? 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) 
[ 17.509137][ T285] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.509450][ T285] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.509772][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.510092][ T285] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.510405][ T285] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.510721][ T285] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.511043][ T285] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.511370][ T285] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.511691][ T285] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.512093][ T285] ___sys_sendmsg (net/socket.c:2670) 
[ 17.512399][ T285] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.512711][ T285] ? __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) 
[ 17.513097][ T285] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.513406][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.513727][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.514045][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.514355][ T285] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.514681][ T285] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.514997][ T285] __sys_sendmsg (net/socket.c:2700) 
[ 17.515305][ T285] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.515696][ T285] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.516020][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.516334][ T285] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.516654][ T285] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.517044][  T285] RIP: 0033:0x7f778274c1e7
[ 17.517369][ T285] 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)
[   17.518496][  T285] RSP: 002b:00007ffdc1d52768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.518983][  T285] RAX: ffffffffffffffda RBX: 00007ffdc1d52ea0 RCX: 00007f778274c1e7
[   17.519452][  T285] RDX: 0000000000000000 RSI: 00007ffdc1d527d0 RDI: 0000000000000005
[   17.519933][  T285] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   17.520401][  T285] R10: 000000001447a910 R11: 0000000000000246 R12: 0000000000000003
[   17.520876][  T285] R13: 00000000686e1371 R14: 0000000000499600 R15: 0000000000000000
| [   17.644842][  T286] ------------[ cut here ]------------
| [ 17.645154][ T286] WARNING: CPU: 2 PID: 286 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) 
| [   17.645758][  T286] Modules linked in:
| [   17.646619][  T286] Tainted: [W]=WARN
[   17.646854][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.647237][ T286] 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) 
[ 17.647566][ T286] Code: 00 00 8b 05 87 65 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ca 7e 82 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 87 65 35 02    	mov    0x2356587(%rip),%eax        # 0x235658f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca 7e 82 00       	call   0x827eeb
  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
[   17.648626][  T286] RSP: 0018:ffffc90000c66ef0 EFLAGS: 00010246
[   17.649011][  T286] RAX: 0000000000000000 RBX: ffff88800b592000 RCX: 0000000000000001
[   17.649462][  T286] RDX: 0000000000000000 RSI: ffffffffa7ce6e91 RDI: ffffffffa74555a0
[   17.649924][  T286] RBP: ffffc90000c66fe0 R08: 0000000000000000 R09: 0000000000000000
[   17.650381][  T286] R10: ffffc90000c67010 R11: ffffffffa8acd718 R12: 1ffff9200018cde2
[   17.650840][  T286] R13: 00000000000005dc R14: ffffc90000c67010 R15: ffff88800b592ef8
[   17.651309][  T286] FS:  00007f9f3d29a800(0000) GS:ffff88808c548000(0000) knlGS:0000000000000000
[   17.651846][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.652229][  T286] CR2: 00000000004e5aa8 CR3: 000000000927e002 CR4: 0000000000772ef0
[   17.652687][  T286] PKRU: 55555554
[   17.652921][  T286] Call Trace:
[   17.653155][  T286]  <TASK>
[ 17.653320][ T286] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.653644][ T286] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.653956][ T286] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 17.654260][ T286] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 17.654645][ T286] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 17.654955][ T286] netif_set_mtu (net/core/dev.c:9652) 
[ 17.655263][ T286] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 17.655593][ T286] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 17.655828][ T286] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 17.656147][ T286] br_add_if (net/bridge/br_if.c:697) 
[ 17.656388][ T286] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 17.656717][ T286] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.657027][ T286] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.657341][ T286] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.657730][ T286] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.658035][ T286] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.658344][ T286] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.658660][ T286] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.658966][ T286] ? __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) 
[ 17.659287][ T286] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.659673][ T286] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.659980][ T286] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.660280][ T286] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.660597][ T286] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.660905][ T286] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.661223][ T286] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.661528][ T286] ? __create_object (mm/kmemleak.c:771) 
[ 17.661848][ T286] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.662152][ T286] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.662455][ T286] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.662843][ T286] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.663156][ T286] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.663466][ T286] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.663779][ T286] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.664089][ T286] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.664390][ T286] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.664701][ T286] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.665005][ T286] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.665338][ T286] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.665672][ T286] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.665997][ T286] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.666320][ T286] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.666646][ T286] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.666949][ T286] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.667271][ T286] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.667592][ T286] ? 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) 
[ 17.667900][ T286] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 17.668205][ T286] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.668513][ T286] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.668839][ T286] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.669160][ T286] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.669488][ T286] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.669828][ T286] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.670157][ T286] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.670473][ T286] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.670887][ T286] ___sys_sendmsg (net/socket.c:2670) 
[ 17.671214][ T286] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.671546][ T286] ? __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) 
[ 17.671944][ T286] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.672273][ T286] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.672608][ T286] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.672931][ T286] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.673253][ T286] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.673586][ T286] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.673912][ T286] __sys_sendmsg (net/socket.c:2700) 
[ 17.674232][ T286] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.674636][ T286] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.674974][ T286] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.675293][ T286] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.675623][ T286] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.676018][  T286] RIP: 0033:0x7f9f3d4671e7
[ 17.676350][ T286] 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)
[   17.677474][  T286] RSP: 002b:00007ffd1a8935e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.677970][  T286] RAX: ffffffffffffffda RBX: 00007ffd1a893d20 RCX: 00007f9f3d4671e7
[   17.678443][  T286] RDX: 0000000000000000 RSI: 00007ffd1a893650 RDI: 0000000000000005
[   17.678921][  T286] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   17.679397][  T286] R10: 0000000013c60910 R11: 0000000000000246 R12: 0000000000000003


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