======================================
| 0
| xx__-> [   18.146084][  T293] ------------[ cut here ]------------
| [ 18.146606][ T293] WARNING: CPU: 0 PID: 293 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) 
| [   18.147231][  T293] Modules linked in:
[   18.148079][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.148476][ T293] 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) 
[ 18.148794][ T293] 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
[   18.149906][  T293] RSP: 0018:ffffc90000d46d70 EFLAGS: 00010246
[   18.150342][  T293] RAX: 0000000000000000 RBX: ffff888005cd9000 RCX: 0000000000000001
[   18.150809][  T293] RDX: 0000000000000000 RSI: ffffffff964e6e91 RDI: ffffffff95c555a0
[   18.151403][  T293] RBP: ffffc90000d46e60 R08: 0000000000000001 R09: 0000000000000000
[   18.152377][  T293] R10: ffffc90000d46e90 R11: ffffffff96979160 R12: 1ffff920001a8db2
[   18.153150][  T293] R13: 00000000000005dc R14: ffffc90000d46e90 R15: 0000000000000000
[   18.153921][  T293] FS:  00007f629af37800(0000) GS:ffff88809dc48000(0000) knlGS:0000000000000000
[   18.154880][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.155576][  T293] CR2: 00000000004e5800 CR3: 0000000004dea002 CR4: 0000000000772ef0
[   18.156402][  T293] PKRU: 55555554
[   18.156811][  T293] Call Trace:
[   18.157232][  T293]  <TASK>
[ 18.157510][ T293] ? sysfs_create_dir_ns (fs/sysfs/dir.c:61) 
[ 18.158076][ T293] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.158628][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.159183][ T293] ? 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) 
[ 18.159682][ T293] ? create_dir (lib/kobject.c:1063 lib/kobject.c:95) 
[ 18.160096][ T293] netif_set_mtu (net/core/dev.c:9652) 
[ 18.160484][ T293] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.160805][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.161133][ T293] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 18.161460][ T293] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.161696][ T293] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 18.162031][ T293] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 18.162361][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.162682][ T293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.163003][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 18.163321][ T293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.163646][ T293] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 18.163970][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.164289][ T293] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.164622][ T293] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.165020][ T293] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.165339][ T293] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.165679][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.166001][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.166322][ T293] ? __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) 
[ 18.166641][ T293] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.167038][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.167388][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.167701][ T293] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.168020][ T293] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.168342][ T293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.168654][ T293] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.168983][ T293] ? __create_object (mm/kmemleak.c:771) 
[ 18.169294][ T293] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.169614][ T293] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.169929][ T293] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.170352][ T293] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.170771][ T293] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.171099][ T293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.171423][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.171760][ T293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.172078][ T293] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.172401][ T293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.172711][ T293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.173030][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.173352][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.173687][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.174011][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.174327][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.174640][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.174969][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.175279][ T293] ? 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) 
[ 18.175599][ T293] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.175915][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.176235][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.176563][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.176873][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.177190][ T293] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.177512][ T293] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.177824][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.178142][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.178556][ T293] ___sys_sendmsg (net/socket.c:2670) 
[ 18.178861][ T293] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.179177][ T293] ? __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) 
[ 18.179577][ T293] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.179887][ T293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.180218][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.180549][ T293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.180856][ T293] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.181178][ T293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.181506][ T293] __sys_sendmsg (net/socket.c:2700) 
[ 18.181808][ T293] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.182194][ T293] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.182535][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.182842][ T293] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.183160][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.183561][  T293] RIP: 0033:0x7f629b1041e7
[ 18.183884][ T293] 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)
[   18.185006][  T293] RSP: 002b:00007fff258de538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.185492][  T293] RAX: ffffffffffffffda RBX: 00007fff258dec70 RCX: 00007f629b1041e7
[   18.185967][  T293] RDX: 0000000000000000 RSI: 00007fff258de5a0 RDI: 0000000000000005
[   18.186436][  T293] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   18.186910][  T293] R10: 0000000036afa910 R11: 0000000000000246 R12: 0000000000000003
[   18.187390][  T293] R13: 00000000686e4c32 R14: 0000000000499600 R15: 0000000000000000
| [   18.342473][  T294] ------------[ cut here ]------------
| [ 18.342908][ T294] WARNING: CPU: 0 PID: 294 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) 
| [   18.343731][  T294] Modules linked in:
| [   18.344612][  T294] Tainted: [W]=WARN
[   18.344847][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.345239][ T294] 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) 
[ 18.345552][ T294] 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
[   18.346669][  T294] RSP: 0018:ffffc90000d56d70 EFLAGS: 00010246
[   18.347078][  T294] RAX: 0000000000000000 RBX: ffff88800ba89000 RCX: 0000000000000001
[   18.347536][  T294] RDX: 0000000000000000 RSI: ffffffff964e6e91 RDI: ffffffff95c555a0
[   18.348007][  T294] RBP: ffffc90000d56e60 R08: 0000000000000001 R09: 0000000000000000
[   18.348465][  T294] R10: ffffc90000d56e90 R11: ffffffff96979160 R12: 1ffff920001aadb2
[   18.348919][  T294] R13: 00000000000005dc R14: ffffc90000d56e90 R15: 0000000000000000
[   18.349384][  T294] FS:  00007fdedfb34800(0000) GS:ffff88809dc48000(0000) knlGS:0000000000000000
[   18.349927][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.350344][  T294] CR2: 00000000004e5800 CR3: 0000000004ded004 CR4: 0000000000772ef0
[   18.350806][  T294] PKRU: 55555554
[   18.351064][  T294] Call Trace:
[   18.351291][  T294]  <TASK>
[ 18.351453][ T294] ? sysfs_create_dir_ns (fs/sysfs/dir.c:61) 
[ 18.351766][ T294] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.352098][ T294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.352409][ T294] ? 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) 
[ 18.352716][ T294] ? create_dir (lib/kobject.c:1063 lib/kobject.c:95) 
[ 18.353032][ T294] netif_set_mtu (net/core/dev.c:9652) 
[ 18.353340][ T294] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.353653][ T294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.353966][ T294] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 18.354274][ T294] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.354510][ T294] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 18.354830][ T294] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 18.355153][ T294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.355466][ T294] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.355771][ T294] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 18.356083][ T294] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.356392][ T294] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 18.356697][ T294] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.357018][ T294] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.357329][ T294] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.357713][ T294] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.358023][ T294] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.358326][ T294] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.358637][ T294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.358954][ T294] ? __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) 
[ 18.359268][ T294] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.359646][ T294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.359963][ T294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.360280][ T294] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.360584][ T294] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.360889][ T294] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.361205][ T294] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.361521][ T294] ? __create_object (mm/kmemleak.c:771) 
[ 18.361829][ T294] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.362151][ T294] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.362456][ T294] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.362835][ T294] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.363160][ T294] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.363471][ T294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.363803][ T294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.364130][ T294] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.364438][ T294] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.364742][ T294] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.365057][ T294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.365362][ T294] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.365665][ T294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.366008][ T294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.366325][ T294] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.366627][ T294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.366931][ T294] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.367261][ T294] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.367566][ T294] ? 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) 
[ 18.367872][ T294] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.368190][ T294] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.368503][ T294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.368812][ T294] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.369130][ T294] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.369434][ T294] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.369748][ T294] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.370075][ T294] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.370383][ T294] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.370778][ T294] ___sys_sendmsg (net/socket.c:2670) 
[ 18.371091][ T294] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.371395][ T294] ? __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) 
[ 18.371775][ T294] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.372093][ T294] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.372402][ T294] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.372713][ T294] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.373028][ T294] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.373334][ T294] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.373645][ T294] __sys_sendmsg (net/socket.c:2700) 
[ 18.373959][ T294] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.374339][ T294] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.374658][ T294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.374975][ T294] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.375285][ T294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.375668][  T294] RIP: 0033:0x7fdedfd011e7
[ 18.375993][ T294] 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)
[   18.377096][  T294] RSP: 002b:00007fff620cb458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.377568][  T294] RAX: ffffffffffffffda RBX: 00007fff620cbb90 RCX: 00007fdedfd011e7
[   18.378037][  T294] RDX: 0000000000000000 RSI: 00007fff620cb4c0 RDI: 0000000000000005
[   18.378497][  T294] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   18.378961][  T294] R10: 00000000386f4910 R11: 0000000000000246 R12: 0000000000000003
[   18.379418][  T294] R13: 00000000686e4c33 R14: 0000000000499600 R15: 0000000000000000
| [   18.493734][  T295] ------------[ cut here ]------------
| [ 18.494047][ T295] WARNING: CPU: 3 PID: 295 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) 
| [   18.494657][  T295] Modules linked in:
| [   18.495533][  T295] Tainted: [W]=WARN
[   18.495764][  T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.496157][ T295] 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) 
[ 18.496474][ T295] 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
[   18.497587][  T295] RSP: 0018:ffffc90000d66ef0 EFLAGS: 00010246
[   18.497986][  T295] RAX: 0000000000000000 RBX: ffff888005a42000 RCX: 0000000000000001
[   18.498450][  T295] RDX: 0000000000000000 RSI: ffffffff964e6e91 RDI: ffffffff95c555a0
[   18.498913][  T295] RBP: ffffc90000d66fe0 R08: 0000000000000000 R09: 0000000000000000
[   18.499386][  T295] R10: ffffc90000d67010 R11: ffffffff96979160 R12: 1ffff920001acde2
[   18.499846][  T295] R13: 00000000000005dc R14: ffffc90000d67010 R15: ffff888005a42ef8
[   18.500329][  T295] FS:  00007f9841b86800(0000) GS:ffff88809ddc8000(0000) knlGS:0000000000000000
[   18.500869][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.501273][  T295] CR2: 00000000004e5aa0 CR3: 0000000009bea005 CR4: 0000000000772ef0
[   18.501739][  T295] PKRU: 55555554
[   18.501985][  T295] Call Trace:
[   18.502219][  T295]  <TASK>
[ 18.502379][ T295] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.502692][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.503017][ T295] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.503326][ T295] netif_set_mtu (net/core/dev.c:9652) 
[ 18.503642][ T295] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.503973][ T295] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.504209][ T295] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 18.504525][ T295] br_add_if (net/bridge/br_if.c:697) 
[ 18.504769][ T295] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 18.505087][ T295] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.505401][ T295] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.505725][ T295] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.506125][ T295] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.506433][ T295] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.506738][ T295] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.507055][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.507368][ T295] ? __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) 
[ 18.507679][ T295] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.508076][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.508387][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.508696][ T295] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.509014][ T295] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.509325][ T295] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.509631][ T295] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.509945][ T295] ? __create_object (mm/kmemleak.c:771) 
[ 18.510270][ T295] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.510587][ T295] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.510895][ T295] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.511289][ T295] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.511608][ T295] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.511925][ T295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.512240][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.512557][ T295] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.512866][ T295] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.513192][ T295] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.513501][ T295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.513806][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.514121][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.514432][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.514742][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.515056][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.515375][ T295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.515693][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.516007][ T295] ? 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) 
[ 18.516318][ T295] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.516625][ T295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.516932][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.517274][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.517587][ T295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.517896][ T295] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.518223][ T295] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.518532][ T295] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.518838][ T295] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.519244][ T295] ___sys_sendmsg (net/socket.c:2670) 
[ 18.519555][ T295] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.519869][ T295] ? __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) 
[ 18.520274][ T295] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.520586][ T295] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.520898][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.521222][ T295] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.521535][ T295] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.521839][ T295] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.522170][ T295] __sys_sendmsg (net/socket.c:2700) 
[ 18.522475][ T295] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.522853][ T295] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.523181][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.523497][ T295] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.523805][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.524195][  T295] RIP: 0033:0x7f9841d531e7
[ 18.524514][ T295] 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)
[   18.525628][  T295] RSP: 002b:00007fffb096c7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.526099][  T295] RAX: ffffffffffffffda RBX: 00007fffb096cf10 RCX: 00007f9841d531e7
[   18.526567][  T295] RDX: 0000000000000000 RSI: 00007fffb096c840 RDI: 0000000000000005
[   18.527034][  T295] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   18.527496][  T295] R10: 000000001770e910 R11: 0000000000000246 R12: 0000000000000003
[   18.527963][  T295] R13: 00000000686e4c33 R14: 0000000000499600 R15: 0000000000000000
| [   18.676366][  T296] ------------[ cut here ]------------
| [ 18.676737][ T296] WARNING: CPU: 2 PID: 296 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) 
| [   18.677427][  T296] Modules linked in:
| [   18.678419][  T296] Tainted: [W]=WARN
[   18.678688][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.679130][ T296] 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) 
[ 18.679488][ T296] 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
[   18.680723][  T296] RSP: 0018:ffffc90000d76ef0 EFLAGS: 00010246
[   18.681175][  T296] RAX: 0000000000000000 RBX: ffff888005a42000 RCX: 0000000000000001
[   18.681691][  T296] RDX: 0000000000000000 RSI: ffffffff964e6e91 RDI: ffffffff95c555a0
[   18.682228][  T296] RBP: ffffc90000d76fe0 R08: 0000000000000000 R09: 0000000000000000
[   18.682746][  T296] R10: ffffc90000d77010 R11: ffffffff96979160 R12: 1ffff920001aede2
[   18.683267][  T296] R13: 00000000000005dc R14: ffffc90000d77010 R15: ffff888005a42ef8
[   18.683780][  T296] FS:  00007f9e0ee55800(0000) GS:ffff88809dd48000(0000) knlGS:0000000000000000
[   18.684395][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.684828][  T296] CR2: 00000000004e5aa8 CR3: 0000000004f85004 CR4: 0000000000772ef0
[   18.685353][  T296] PKRU: 55555554
[   18.685603][  T296] Call Trace:
[   18.685868][  T296]  <TASK>
[ 18.686067][ T296] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.686418][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.686780][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.687159][ T296] netif_set_mtu (net/core/dev.c:9652) 
[ 18.687507][ T296] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.687872][ T296] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.688155][ T296] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 18.688510][ T296] br_add_if (net/bridge/br_if.c:697) 
[ 18.688786][ T296] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 18.689145][ T296] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.689507][ T296] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.689859][ T296] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.690340][ T296] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.690692][ T296] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.691055][ T296] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.691409][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.691758][ T296] ? __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) 
[ 18.692133][ T296] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.692563][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.692912][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.693270][ T296] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.693619][ T296] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.693980][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.694328][ T296] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.694668][ T296] ? __create_object (mm/kmemleak.c:771) 
[ 18.695031][ T296] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.695405][ T296] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.695755][ T296] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.696199][ T296] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.696556][ T296] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.696911][ T296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.697272][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.697618][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.697975][ T296] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.698323][ T296] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.698672][ T296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.699033][ T296] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.699383][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.699733][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.700112][ T296] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.700472][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.700823][ T296] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.701197][ T296] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.701548][ T296] ? 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) 
[ 18.701897][ T296] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.702260][ T296] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.702615][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.702981][ T296] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.703331][ T296] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.703680][ T296] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.704047][ T296] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.704399][ T296] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.704743][ T296] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.705194][ T296] ___sys_sendmsg (net/socket.c:2670) 
[ 18.705549][ T296] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.705895][ T296] ? __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) 
[ 18.706333][ T296] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.706684][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.707046][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.707405][ T296] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.707750][ T296] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.708118][ T296] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.708480][ T296] __sys_sendmsg (net/socket.c:2700) 
[ 18.708823][ T296] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.709264][ T296] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.709627][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.709987][ T296] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.710349][ T296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.710783][  T296] RIP: 0033:0x7f9e0f0221e7
[ 18.711158][ T296] 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)
[   18.712368][  T296] RSP: 002b:00007ffdd190bb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.712890][  T296] RAX: ffffffffffffffda RBX: 00007ffdd190c240 RCX: 00007f9e0f0221e7
[   18.713425][  T296] RDX: 0000000000000000 RSI: 00007ffdd190bb70 RDI: 0000000000000005
[   18.713950][  T296] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   18.714471][  T296] R10: 000000001af1c910 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