======================================
| 0
| xx__-> [   10.630184][  T226] ------------[ cut here ]------------
| [ 10.630738][ T226] WARNING: CPU: 2 PID: 226 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.631353][  T226] Modules linked in: netdevsim
[   10.632306][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.632685][ T226] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.633072][ T226] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.634100][  T226] RSP: 0018:ffffc90000b17520 EFLAGS: 00010246
[   10.634474][  T226] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.634903][  T226] RDX: 0000000000000000 RSI: ffff88800e01ac98 RDI: ffff88800575d0f8
[   10.635375][  T226] RBP: ffffffffaf523440 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   10.635783][  T226] R10: ffffffffad3ec1e7 R11: ffff88800575c5c0 R12: 0000000000000000
[   10.636209][  T226] R13: ffff88800e01a128 R14: ffff88800e01a008 R15: ffff88800e01a000
[   10.636678][  T226] FS:  00007f0cd145e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   10.637203][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.637585][  T226] CR2: 000056186b8aaac8 CR3: 000000000ba1c003 CR4: 0000000000772ef0
[   10.638037][  T226] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.638476][  T226] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.638949][  T226] PKRU: 55555554
[   10.639200][  T226] Call Trace:
[   10.639444][  T226]  <TASK>
[ 10.639605][ T226] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.639914][ T226] ? __warn (kernel/panic.c:748) 
[ 10.640137][ T226] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.640439][ T226] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.640744][ T226] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.640981][ T226] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.641315][ T226] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.641644][ T226] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.641952][ T226] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.642321][ T226] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.642633][ T226] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.642935][ T226] register_netdevice (net/core/dev.c:11003) 
[ 10.643268][ T226] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.643581][ T226] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.643893][ T226] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.644281][ T226] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.644511][ T226] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.644892][ T226] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.645281][ T226] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.645680][ T226] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.645970][ T226] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.646338][ T226] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.646636][ T226] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 10.646863][ T226] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.647175][ T226] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.647511][ T226] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.647794][ T226] driver_probe_device (drivers/base/dd.c:830) 
[ 10.648087][ T226] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.648406][ T226] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.648789][ T226] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.649081][ T226] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.649395][ T226] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.649690][ T226] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.649998][ T226] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.650312][ T226] __device_attach (drivers/base/dd.c:1030) 
[ 10.650571][ T226] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.650868][ T226] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.651177][ T226] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 10.651501][ T226] bus_probe_device (drivers/base/bus.c:537) 
[ 10.651806][ T226] device_add (drivers/base/core.c:3672) 
[ 10.652131][ T226] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.652448][ T226] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.652752][ T226] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.653152][ T226] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.653533][ T226] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.653824][ T226] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.654134][ T226] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.654445][ T226] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.654746][ T226] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.654996][ T226] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.655301][ T226] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.655603][ T226] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.655925][ T226] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.656231][ T226] ksys_write (fs/read_write.c:731) 
[ 10.656495][ T226] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.656779][ T226] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.657095][ T226] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.657425][ T226] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.657814][  T226] RIP: 0033:0x7f0cd159fb77
[ 10.658118][ T226] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  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 01 00 00 00       	mov    $0x1,%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:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

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:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   10.659085][  T226] RSP: 002b:00007ffc28042ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.659545][  T226] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0cd159fb77
[   10.660008][  T226] RDX: 0000000000000007 RSI: 000056186b8a9ac0 RDI: 0000000000000001
[   10.660473][  T226] RBP: 000056186b8a9ac0 R08: 0000000000000003 R09: 0000000000000077
[   10.660887][  T226] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   10.661348][  T226] R13: 00007f0cd165b760 R14: 0000000000000007 R15: 00007f0cd16569c0
| [   10.932516][  T252] ------------[ cut here ]------------
| [ 10.932938][ T252] WARNING: CPU: 0 PID: 252 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.933348][  T252] Modules linked in: netdevsim
| [   10.933890][  T252] Tainted: [W]=WARN
[   10.934059][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.934308][ T252] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.934576][ T252] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.935254][  T252] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   10.935499][  T252] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.935790][  T252] RDX: 0000000000000000 RSI: ffff88800a71ac98 RDI: ffff88800a530b00
[   10.936076][  T252] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   10.936372][  T252] R10: ffffffffad3ec1e7 R11: ffff88800a530040 R12: 0000000000000000
[   10.936661][  T252] R13: ffff88800a71a128 R14: ffff88800a71a008 R15: ffff88800a71a000
[   10.936955][  T252] FS:  00007fb451632800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.937296][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.937540][  T252] CR2: 00007f02856bfa00 CR3: 000000000e0b2003 CR4: 0000000000772ef0
[   10.937829][  T252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.938113][  T252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.938411][  T252] PKRU: 55555554
[   10.938567][  T252] Call Trace:
[   10.938711][  T252]  <TASK>
[ 10.938813][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.939009][ T252] ? __warn (kernel/panic.c:748) 
[ 10.939163][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.939368][ T252] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.939576][ T252] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.939733][ T252] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.939927][ T252] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.940133][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.940338][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.940538][ T252] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.940790][ T252] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.940990][ T252] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.941185][ T252] register_netdevice (net/core/dev.c:11003) 
[ 10.941395][ T252] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.941601][ T252] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.941818][ T252] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.942070][ T252] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.942338][ T252] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.942594][ T252] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.942847][ T252] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.943094][ T252] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.943367][ T252] devlink_reload (net/devlink/dev.c:474) 
[ 10.943572][ T252] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.943775][ T252] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.943995][ T252] ? cap_capable (security/commoncap.c:131) 
[ 10.944201][ T252] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.944367][ T252] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.944582][ T252] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.944852][ T252] ? __nla_parse (lib/nlattr.c:732) 
[ 10.945077][ T252] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.945303][ T252] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.945581][ T252] ? cap_capable (security/commoncap.c:131) 
[ 10.945792][ T252] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.946013][ T252] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.946227][ T252] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.946452][ T252] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.946710][ T252] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.946971][ T252] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.947256][ T252] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.947480][ T252] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.947693][ T252] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.947911][ T252] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.948136][ T252] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.948301][ T252] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.948519][ T252] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.948733][ T252] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.948892][ T252] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.949108][ T252] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.949330][ T252] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.949551][ T252] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.949770][ T252] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.949981][ T252] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.950197][ T252] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.950431][ T252] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.950653][ T252] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.950858][ T252] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.951072][ T252] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.951303][ T252] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.951516][ T252] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.951782][ T252] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.951997][ T252] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.952279][ T252] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.952500][ T252] __x64_sys_sendto (net/socket.c:2181) 
[ 10.952713][ T252] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.952979][ T252] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.953194][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.953460][  T252] RIP: 0033:0x7fb45183ea4a
[ 10.953676][ T252] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.954416][  T252] RSP: 002b:00007ffcc7c331b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.954735][  T252] RAX: ffffffffffffffda RBX: 00000000134f8b00 RCX: 00007fb45183ea4a
[   10.955050][  T252] RDX: 0000000000000040 RSI: 00000000134f8b00 RDI: 0000000000000005
[   10.955373][  T252] RBP: 00000000134f8910 R08: 00007fb4519e2200 R09: 000000000000000c
[   10.955683][  T252] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.955993][  T252] R13: 00000000134f8910 R14: 0000000000000000 R15: 0000000000000001
| [   11.970530][  T281] ------------[ cut here ]------------
| [ 11.970783][ T281] WARNING: CPU: 3 PID: 281 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.971166][  T281] Modules linked in: netdevsim
| [   11.971739][  T281] Tainted: [W]=WARN
[   11.971885][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.972130][ T281] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.972396][ T281] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.973063][  T281] RSP: 0018:ffffc900005a71e8 EFLAGS: 00010246
[   11.973323][  T281] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.973634][  T281] RDX: 0000000000000000 RSI: ffff88800e022c98 RDI: ffff88800e175080
[   11.973938][  T281] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   11.974251][  T281] R10: ffffffffad3ec1e7 R11: ffff88800e1745c0 R12: 0000000000000000
[   11.974541][  T281] R13: ffff88800e022128 R14: ffff88800e022008 R15: ffff88800e022000
[   11.974831][  T281] FS:  00007fd559ef6800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   11.975190][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.975477][  T281] CR2: 00007fd55a2a6200 CR3: 000000000a496004 CR4: 0000000000772ef0
[   11.975776][  T281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.976057][  T281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.976444][  T281] PKRU: 55555554
[   11.976592][  T281] Call Trace:
[   11.976739][  T281]  <TASK>
[ 11.976839][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.977032][ T281] ? __warn (kernel/panic.c:748) 
[ 11.977184][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.977470][ T281] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.977670][ T281] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.977821][ T281] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.978015][ T281] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.978220][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.978510][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.978712][ T281] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.978955][ T281] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 11.979153][ T281] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.979447][ T281] register_netdevice (net/core/dev.c:11003) 
[ 11.979646][ T281] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.979849][ T281] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.980058][ T281] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.980399][ T281] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.980654][ T281] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.980909][ T281] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.981159][ T281] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.981492][ T281] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.981742][ T281] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 11.981932][ T281] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 11.982182][ T281] devlink_reload (net/devlink/dev.c:474) 
[ 11.982390][ T281] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.982591][ T281] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 11.982841][ T281] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.983036][ T281] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.983298][ T281] ? __nla_parse (lib/nlattr.c:732) 
[ 11.983506][ T281] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.983702][ T281] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.983959][ T281] ? cap_capable (security/commoncap.c:131) 
[ 11.984151][ T281] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.984361][ T281] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.984556][ T281] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.984754][ T281] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.984989][ T281] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.985225][ T281] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.985491][ T281] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.985688][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.985880][ T281] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.986076][ T281] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.986294][ T281] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.986445][ T281] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.986638][ T281] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.986838][ T281] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.986983][ T281] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.987178][ T281] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.987393][ T281] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.987593][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.987793][ T281] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.987985][ T281] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.988180][ T281] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.988393][ T281] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.988606][ T281] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.988808][ T281] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.989010][ T281] ? __sys_recvmsg (net/socket.c:2859) 
[ 11.989202][ T281] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 11.989421][ T281] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 11.989624][ T281] __x64_sys_sendto (net/socket.c:2181) 
[ 11.989825][ T281] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.990062][ T281] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.990267][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.990525][  T281] RIP: 0033:0x7fd55a102a4a
[ 11.990731][ T281] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   11.991465][  T281] RSP: 002b:00007ffd1fefd858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.991782][  T281] RAX: ffffffffffffffda RBX: 00000000197aeb00 RCX: 00007fd55a102a4a
[   11.992088][  T281] RDX: 0000000000000038 RSI: 00000000197aeb00 RDI: 0000000000000005
[   11.992413][  T281] RBP: 00000000197ae910 R08: 00007fd55a2a6200 R09: 000000000000000c
[   11.992701][  T281] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.992985][  T281] R13: 00000000197ae910 R14: 0000000000000000 R15: 0000000000000003
| [   12.571020][  T291] ------------[ cut here ]------------
| [ 12.571277][ T291] WARNING: CPU: 0 PID: 291 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.571668][  T291] Modules linked in: netdevsim
| [   12.572214][  T291] Tainted: [W]=WARN
[   12.572383][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.572623][ T291] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.572871][ T291] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.573557][  T291] RSP: 0018:ffffc900006471e8 EFLAGS: 00010246
[   12.573847][  T291] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.574188][  T291] RDX: 0000000000000000 RSI: ffff88800e2eac98 RDI: ffff888005165080
[   12.574527][  T291] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   12.574855][  T291] R10: ffffffffad3ec1e7 R11: ffff8880051645c0 R12: 0000000000000000
[   12.575186][  T291] R13: ffff88800e2ea128 R14: ffff88800e2ea008 R15: ffff88800e2ea000
[   12.575521][  T291] FS:  00007fea7fcaf800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   12.575902][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.576210][  T291] CR2: 00007fea8005f200 CR3: 0000000007b70006 CR4: 0000000000772ef0
[   12.576724][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.577091][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.577513][  T291] PKRU: 55555554
[   12.577686][  T291] Call Trace:
[   12.577865][  T291]  <TASK>
[ 12.577984][ T291] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.578217][ T291] ? __warn (kernel/panic.c:748) 
[ 12.578422][ T291] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.578678][ T291] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.578925][ T291] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.579118][ T291] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.579341][ T291] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.579593][ T291] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.579840][ T291] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.580085][ T291] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.580381][ T291] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 12.580604][ T291] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.580822][ T291] register_netdevice (net/core/dev.c:11003) 
[ 12.581051][ T291] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.581314][ T291] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.581556][ T291] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.581844][ T291] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.582138][ T291] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.582436][ T291] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.582758][ T291] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.583056][ T291] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.583374][ T291] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 12.583625][ T291] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 12.583954][ T291] devlink_reload (net/devlink/dev.c:474) 
[ 12.584212][ T291] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.584486][ T291] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 12.584805][ T291] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.585035][ T291] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.585325][ T291] ? __nla_parse (lib/nlattr.c:732) 
[ 12.585565][ T291] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.585796][ T291] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.586081][ T291] ? cap_capable (security/commoncap.c:131) 
[ 12.586324][ T291] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.586539][ T291] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.586765][ T291] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.586979][ T291] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.587253][ T291] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.587526][ T291] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.587821][ T291] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.588050][ T291] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.588305][ T291] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.588578][ T291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.588854][ T291] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.589054][ T291] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.589336][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.589603][ T291] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.589783][ T291] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.590038][ T291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.590283][ T291] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.590541][ T291] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.590790][ T291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.591040][ T291] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.591288][ T291] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.591513][ T291] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.591760][ T291] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.591996][ T291] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 12.592267][ T291] ? __sys_recvmsg (net/socket.c:2859) 
[ 12.592499][ T291] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 12.592723][ T291] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 12.592951][ T291] __x64_sys_sendto (net/socket.c:2181) 
[ 12.593172][ T291] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.593455][ T291] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.593678][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.593945][  T291] RIP: 0033:0x7fea7febba4a
[ 12.594183][ T291] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   12.595010][  T291] RSP: 002b:00007ffd0d6fa348 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.595389][  T291] RAX: ffffffffffffffda RBX: 0000000038bc3b00 RCX: 00007fea7febba4a
[   12.595770][  T291] RDX: 0000000000000038 RSI: 0000000038bc3b00 RDI: 0000000000000005
[   12.596144][  T291] RBP: 0000000038bc3910 R08: 00007fea8005f200 R09: 000000000000000c
[   12.596529][  T291] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.596878][  T291] R13: 0000000038bc3910 R14: 0000000000000000 R15: 0000000000000003
| [   14.201949][  T336] ------------[ cut here ]------------
| [ 14.202192][ T336] WARNING: CPU: 0 PID: 336 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   14.202617][  T336] Modules linked in: netdevsim
| [   14.203173][  T336] Tainted: [W]=WARN
[   14.203338][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.203585][ T336] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.203839][ T336] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   14.204558][  T336] RSP: 0018:ffffc900008171e8 EFLAGS: 00010246
[   14.204814][  T336] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   14.205114][  T336] RDX: 0000000000000000 RSI: ffff88800bd02c98 RDI: ffff88800932d080
[   14.205418][  T336] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   14.205715][  T336] R10: ffffffffad3ec1e7 R11: ffff88800932c5c0 R12: 0000000000000000
[   14.206016][  T336] R13: ffff88800bd02128 R14: ffff88800bd02008 R15: ffff88800bd02000
[   14.206324][  T336] FS:  00007f219b34b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   14.206663][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.206910][  T336] CR2: 00007f219b6fb200 CR3: 000000000a390003 CR4: 0000000000772ef0
[   14.207206][  T336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.207515][  T336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.207824][  T336] PKRU: 55555554
[   14.207978][  T336] Call Trace:
[   14.208135][  T336]  <TASK>
[ 14.208259][ T336] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.208476][ T336] ? __warn (kernel/panic.c:748) 
[ 14.208633][ T336] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.208842][ T336] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 14.209050][ T336] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 14.209209][ T336] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 14.209427][ T336] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 14.209645][ T336] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.209848][ T336] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 14.210058][ T336] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 14.210326][ T336] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 14.210538][ T336] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 14.210746][ T336] register_netdevice (net/core/dev.c:11003) 
[ 14.210954][ T336] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 14.211166][ T336] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 14.211398][ T336] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 14.211666][ T336] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 14.211935][ T336] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 14.212198][ T336] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 14.212460][ T336] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 14.212708][ T336] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 14.212957][ T336] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 14.213155][ T336] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 14.213431][ T336] devlink_reload (net/devlink/dev.c:474) 
[ 14.213636][ T336] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 14.213838][ T336] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 14.214085][ T336] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 14.214289][ T336] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.214541][ T336] ? __nla_parse (lib/nlattr.c:732) 
[ 14.214753][ T336] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 14.214956][ T336] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 14.215213][ T336] ? cap_capable (security/commoncap.c:131) 
[ 14.215430][ T336] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 14.215642][ T336] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 14.215845][ T336] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 14.216045][ T336] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 14.216308][ T336] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.216555][ T336] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 14.216812][ T336] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 14.217012][ T336] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 14.217211][ T336] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 14.217429][ T336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 14.217648][ T336] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 14.217804][ T336] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 14.218016][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 14.218226][ T336] genl_rcv (net/netlink/genetlink.c:1220) 
[ 14.218388][ T336] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 14.218597][ T336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 14.218790][ T336] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 14.218990][ T336] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 14.219185][ T336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 14.219389][ T336] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 14.219587][ T336] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 14.219790][ T336] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 14.219991][ T336] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 14.220193][ T336] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 14.220402][ T336] ? __sys_recvmsg (net/socket.c:2859) 
[ 14.220598][ T336] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 14.220803][ T336] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 14.221006][ T336] __x64_sys_sendto (net/socket.c:2181) 
[ 14.221201][ T336] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 14.221451][ T336] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 14.221649][ T336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.221886][  T336] RIP: 0033:0x7f219b557a4a
[ 14.222085][ T336] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   14.222759][  T336] RSP: 002b:00007fff615e8d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.223048][  T336] RAX: ffffffffffffffda RBX: 000000000eb45b00 RCX: 00007f219b557a4a
[   14.223349][  T336] RDX: 0000000000000038 RSI: 000000000eb45b00 RDI: 0000000000000005
[   14.223637][  T336] RBP: 000000000eb45910 R08: 00007f219b6fb200 R09: 000000000000000c
[   14.223920][  T336] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   14.224204][  T336] R13: 000000000eb45910 R14: 0000000000000000 R15: 0000000000000003
| [   14.970079][  T347] ------------[ cut here ]------------
| [ 14.970959][ T347] WARNING: CPU: 1 PID: 347 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   14.971457][  T347] Modules linked in: netdevsim
| [   14.972076][  T347] Tainted: [W]=WARN
[   14.972257][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.972569][ T347] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.972875][ T347] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   14.973747][  T347] RSP: 0018:ffffc900008671e8 EFLAGS: 00010246
[   14.974069][  T347] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   14.974474][  T347] RDX: 0000000000000000 RSI: ffff88800e01ac98 RDI: ffff88800e170b00
[   14.974818][  T347] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   14.975164][  T347] R10: ffffffffad3ec1e7 R11: ffff88800e170040 R12: 0000000000000000
[   14.975525][  T347] R13: ffff88800e01a128 R14: ffff88800e01a008 R15: ffff88800e01a000
[   14.975890][  T347] FS:  00007fc699f83800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   14.976303][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.976595][  T347] CR2: 00007fc69a333200 CR3: 000000000e126003 CR4: 0000000000772ef0
[   14.976918][  T347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.977278][  T347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.977620][  T347] PKRU: 55555554
[   14.977796][  T347] Call Trace:
[   14.977951][  T347]  <TASK>
[ 14.978061][ T347] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.978295][ T347] ? __warn (kernel/panic.c:748) 
[ 14.978485][ T347] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.978729][ T347] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 14.978963][ T347] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 14.979121][ T347] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 14.979357][ T347] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 14.979563][ T347] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.979756][ T347] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 14.979977][ T347] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 14.980260][ T347] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 14.980536][ T347] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 14.980773][ T347] register_netdevice (net/core/dev.c:11003) 
[ 14.980970][ T347] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 14.981190][ T347] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 14.981450][ T347] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 14.981757][ T347] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 14.982078][ T347] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 14.982399][ T347] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 14.982722][ T347] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 14.983042][ T347] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 14.983381][ T347] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 14.983690][ T347] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 14.984020][ T347] devlink_reload (net/devlink/dev.c:474) 
[ 14.984297][ T347] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 14.984545][ T347] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 14.984850][ T347] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 14.985105][ T347] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.985427][ T347] ? __nla_parse (lib/nlattr.c:732) 
[ 14.985694][ T347] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 14.985927][ T347] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 14.986223][ T347] ? cap_capable (security/commoncap.c:131) 
[ 14.986483][ T347] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 14.986730][ T347] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 14.986989][ T347] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 14.987224][ T347] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 14.987514][ T347] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.987792][ T347] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 14.988074][ T347] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 14.988322][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 14.988545][ T347] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 14.988769][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 14.989051][ T347] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 14.989254][ T347] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 14.989486][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 14.989742][ T347] genl_rcv (net/netlink/genetlink.c:1220) 
[ 14.989937][ T347] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 14.990194][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 14.990473][ T347] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 14.990736][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 14.991001][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 14.991254][ T347] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 14.991493][ T347] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 14.991737][ T347] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 14.991980][ T347] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 14.992229][ T347] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 14.992485][ T347] ? __sys_recvmsg (net/socket.c:2859) 
[ 14.992715][ T347] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 14.992961][ T347] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 14.993199][ T347] __x64_sys_sendto (net/socket.c:2181) 
[ 14.993415][ T347] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 14.993696][ T347] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 14.993935][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.994221][  T347] RIP: 0033:0x7fc69a18fa4a
[ 14.994474][ T347] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   14.995249][  T347] RSP: 002b:00007ffd5ec94398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.995571][  T347] RAX: ffffffffffffffda RBX: 0000000029b0fb00 RCX: 00007fc69a18fa4a
[   14.995888][  T347] RDX: 0000000000000038 RSI: 0000000029b0fb00 RDI: 0000000000000005
[   14.996197][  T347] RBP: 0000000029b0f910 R08: 00007fc69a333200 R09: 000000000000000c
[   14.996509][  T347] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   14.996812][  T347] R13: 0000000029b0f910 R14: 0000000000000000 R15: 0000000000000003
| [   16.915103][  T409] ------------[ cut here ]------------
| [ 16.915422][ T409] WARNING: CPU: 3 PID: 409 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   16.915849][  T409] Modules linked in: netdevsim
| [   16.916450][  T409] Tainted: [W]=WARN
[   16.916610][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.916866][ T409] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.917126][ T409] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   16.917827][  T409] RSP: 0018:ffffc90000a571e8 EFLAGS: 00010246
[   16.918071][  T409] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.918384][  T409] RDX: 0000000000000000 RSI: ffff888009732c98 RDI: ffff88800bcf2dc0
[   16.918698][  T409] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   16.918985][  T409] R10: ffffffffad3ec1e7 R11: ffff88800bcf2300 R12: 0000000000000000
[   16.919294][  T409] R13: ffff888009732128 R14: ffff888009732008 R15: ffff888009732000
[   16.919588][  T409] FS:  00007fdf17f26800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   16.919919][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.920158][  T409] CR2: 00007fdf182d6200 CR3: 000000000970c003 CR4: 0000000000772ef0
[   16.920514][  T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.920832][  T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.921134][  T409] PKRU: 55555554
[   16.921301][  T409] Call Trace:
[   16.921452][  T409]  <TASK>
[ 16.921553][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.921754][ T409] ? __warn (kernel/panic.c:748) 
[ 16.921903][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.922096][ T409] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.922313][ T409] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.922471][ T409] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.922668][ T409] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.922891][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.923101][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.923338][ T409] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.923603][ T409] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 16.923819][ T409] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.924030][ T409] register_netdevice (net/core/dev.c:11003) 
[ 16.924261][ T409] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.924485][ T409] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.924711][ T409] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.924981][ T409] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.925307][ T409] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.925588][ T409] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.925861][ T409] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.926129][ T409] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.926407][ T409] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.926619][ T409] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.926895][ T409] devlink_reload (net/devlink/dev.c:474) 
[ 16.927111][ T409] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.927347][ T409] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.927622][ T409] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.927838][ T409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.928100][ T409] ? __nla_parse (lib/nlattr.c:732) 
[ 16.928334][ T409] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.928566][ T409] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.928842][ T409] ? cap_capable (security/commoncap.c:131) 
[ 16.929050][ T409] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.929287][ T409] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.929504][ T409] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.929716][ T409] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.929976][ T409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.930247][ T409] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.930525][ T409] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.930741][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.930950][ T409] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.931179][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.931427][ T409] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.931619][ T409] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.931823][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.932024][ T409] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.932176][ T409] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.932391][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.932590][ T409] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.932794][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.932992][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.933186][ T409] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.933397][ T409] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.933601][ T409] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.933800][ T409] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.934001][ T409] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.934200][ T409] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.934402][ T409] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.934609][ T409] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.934807][ T409] __x64_sys_sendto (net/socket.c:2181) 
[ 16.935000][ T409] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.935263][ T409] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.935462][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.935700][  T409] RIP: 0033:0x7fdf18132a4a
[ 16.935901][ T409] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   16.936584][  T409] RSP: 002b:00007ffea15f30d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.936873][  T409] RAX: ffffffffffffffda RBX: 00000000181e3b00 RCX: 00007fdf18132a4a
[   16.937160][  T409] RDX: 0000000000000038 RSI: 00000000181e3b00 RDI: 0000000000000005
[   16.937468][  T409] RBP: 00000000181e3910 R08: 00007fdf182d6200 R09: 000000000000000c
[   16.937751][  T409] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.938040][  T409] R13: 00000000181e3910 R14: 0000000000000000 R15: 0000000000000003
| [   17.597579][  T420] ------------[ cut here ]------------
| [ 17.597812][ T420] WARNING: CPU: 3 PID: 420 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   17.598193][  T420] Modules linked in: netdevsim
| [   17.598787][  T420] Tainted: [W]=WARN
[   17.598938][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.599188][ T420] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.599449][ T420] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   17.600132][  T420] RSP: 0018:ffffc90000b671e8 EFLAGS: 00010246
[   17.600394][  T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   17.600688][  T420] RDX: 0000000000000000 RSI: ffff88800a71ac98 RDI: ffff88800e240b00
[   17.600977][  T420] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   17.601282][  T420] R10: ffffffffad3ec1e7 R11: ffff88800e240040 R12: 0000000000000000
[   17.601573][  T420] R13: ffff88800a71a128 R14: ffff88800a71a008 R15: ffff88800a71a000
[   17.601857][  T420] FS:  00007f4997473800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   17.602197][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.602459][  T420] CR2: 00007f4997823200 CR3: 0000000009a7c003 CR4: 0000000000772ef0
[   17.602757][  T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   17.603057][  T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   17.603364][  T420] PKRU: 55555554
[   17.603510][  T420] Call Trace:
[   17.603656][  T420]  <TASK>
[ 17.603756][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.603956][ T420] ? __warn (kernel/panic.c:748) 
[ 17.604105][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.604318][ T420] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 17.604523][ T420] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 17.604672][ T420] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 17.604873][ T420] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 17.605080][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.605295][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 17.605503][ T420] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 17.605751][ T420] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 17.605948][ T420] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 17.606143][ T420] register_netdevice (net/core/dev.c:11003) 
[ 17.606362][ T420] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 17.606577][ T420] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 17.606786][ T420] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 17.607049][ T420] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 17.607314][ T420] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 17.607570][ T420] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 17.607824][ T420] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 17.608070][ T420] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 17.608327][ T420] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 17.608538][ T420] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 17.608790][ T420] devlink_reload (net/devlink/dev.c:474) 
[ 17.608995][ T420] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 17.609188][ T420] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 17.609450][ T420] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 17.609650][ T420] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.609900][ T420] ? __nla_parse (lib/nlattr.c:732) 
[ 17.610120][ T420] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 17.610342][ T420] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 17.610612][ T420] ? cap_capable (security/commoncap.c:131) 
[ 17.610808][ T420] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 17.611008][ T420] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 17.611208][ T420] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 17.611422][ T420] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 17.611661][ T420] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.611897][ T420] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 17.612146][ T420] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 17.612346][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 17.612548][ T420] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 17.612743][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 17.612956][ T420] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 17.613102][ T420] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 17.613311][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 17.613511][ T420] genl_rcv (net/netlink/genetlink.c:1220) 
[ 17.613657][ T420] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 17.613852][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 17.614050][ T420] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 17.614276][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 17.614475][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 17.614665][ T420] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 17.614860][ T420] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 17.615060][ T420] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 17.615266][ T420] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 17.615468][ T420] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 17.615663][ T420] ? __sys_recvmsg (net/socket.c:2859) 
[ 17.615858][ T420] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 17.616059][ T420] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 17.616266][ T420] __x64_sys_sendto (net/socket.c:2181) 
[ 17.616457][ T420] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 17.616695][ T420] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 17.616890][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.617125][  T420] RIP: 0033:0x7f499767fa4a
[ 17.617336][ T420] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   17.617995][  T420] RSP: 002b:00007fffbb14af78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   17.618299][  T420] RAX: ffffffffffffffda RBX: 0000000011909b00 RCX: 00007f499767fa4a
[   17.618600][  T420] RDX: 0000000000000038 RSI: 0000000011909b00 RDI: 0000000000000005
[   17.618882][  T420] RBP: 0000000011909910 R08: 00007f4997823200 R09: 000000000000000c
[   17.619166][  T420] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   17.619456][  T420] R13: 0000000011909910 R14: 0000000000000000 R15: 0000000000000003
| [   18.631339][  T452] ------------[ cut here ]------------
| [ 18.631659][ T452] WARNING: CPU: 0 PID: 452 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   18.632036][  T452] Modules linked in: netdevsim
| [   18.632592][  T452] Tainted: [W]=WARN
[   18.632735][  T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.632968][ T452] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.633208][ T452] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   18.633881][  T452] RSP: 0018:ffffc90000b671e8 EFLAGS: 00010246
[   18.634122][  T452] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.634411][  T452] RDX: 0000000000000000 RSI: ffff88800e022c98 RDI: ffff8880059d5080
[   18.634692][  T452] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   18.634970][  T452] R10: ffffffffad3ec1e7 R11: ffff8880059d45c0 R12: 0000000000000000
[   18.635258][  T452] R13: ffff88800e022128 R14: ffff88800e022008 R15: ffff88800e022000
[   18.635537][  T452] FS:  00007f069f39a800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   18.635860][  T452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.636098][  T452] CR2: 00007f069f74a200 CR3: 0000000002534002 CR4: 0000000000772ef0
[   18.636389][  T452] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.636670][  T452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.636952][  T452] PKRU: 55555554
[   18.637093][  T452] Call Trace:
[   18.637248][  T452]  <TASK>
[ 18.637350][ T452] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.637541][ T452] ? __warn (kernel/panic.c:748) 
[ 18.637687][ T452] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.637878][ T452] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.638073][ T452] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.638217][ T452] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.638422][ T452] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.638627][ T452] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.638820][ T452] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.639013][ T452] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.639261][ T452] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 18.639455][ T452] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.639645][ T452] register_netdevice (net/core/dev.c:11003) 
[ 18.639840][ T452] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.640038][ T452] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.640254][ T452] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.640499][ T452] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.640751][ T452] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.640999][ T452] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.641257][ T452] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.641503][ T452] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.641740][ T452] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.641927][ T452] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.642177][ T452] devlink_reload (net/devlink/dev.c:474) 
[ 18.642384][ T452] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.642577][ T452] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.642820][ T452] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.643014][ T452] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.643265][ T452] ? __nla_parse (lib/nlattr.c:732) 
[ 18.643465][ T452] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.643657][ T452] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.643905][ T452] ? cap_capable (security/commoncap.c:131) 
[ 18.644093][ T452] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.644300][ T452] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.644493][ T452] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.644686][ T452] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.644917][ T452] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.645150][ T452] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.645409][ T452] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.645600][ T452] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.645789][ T452] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.645982][ T452] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.646185][ T452] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.646346][ T452] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.646541][ T452] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.646736][ T452] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.646879][ T452] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.647071][ T452] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.647283][ T452] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.647480][ T452] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.647675][ T452] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.647864][ T452] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.648057][ T452] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.648264][ T452] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.648467][ T452] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.648666][ T452] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.648861][ T452] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.649049][ T452] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.649258][ T452] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.649454][ T452] __x64_sys_sendto (net/socket.c:2181) 
[ 18.649643][ T452] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.649875][ T452] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.650068][ T452] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.650310][  T452] RIP: 0033:0x7f069f5a6a4a
[ 18.650505][ T452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   18.651159][  T452] RSP: 002b:00007ffe168758d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.651472][  T452] RAX: ffffffffffffffda RBX: 000000003b22eb00 RCX: 00007f069f5a6a4a
[   18.651752][  T452] RDX: 0000000000000038 RSI: 000000003b22eb00 RDI: 0000000000000005
[   18.652033][  T452] RBP: 000000003b22e910 R08: 00007f069f74a200 R09: 000000000000000c
[   18.652320][  T452] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.652601][  T452] R13: 000000003b22e910 R14: 0000000000000000 R15: 0000000000000003
| [   19.516747][  T468] ------------[ cut here ]------------
| [ 19.517049][ T468] WARNING: CPU: 0 PID: 468 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   19.517440][  T468] Modules linked in: netdevsim
| [   19.517972][  T468] Tainted: [W]=WARN
[   19.518115][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.518383][ T468] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.518638][ T468] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   19.519310][  T468] RSP: 0018:ffffc90000ce71e8 EFLAGS: 00010246
[   19.519547][  T468] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   19.519824][  T468] RDX: 0000000000000000 RSI: ffff88800e2eac98 RDI: ffff888005165080
[   19.520102][  T468] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[   19.520391][  T468] R10: ffffffffad3ec1e7 R11: ffff8880051645c0 R12: 0000000000000000
[   19.520668][  T468] R13: ffff88800e2ea128 R14: ffff88800e2ea008 R15: ffff88800e2ea000
[   19.520950][  T468] FS:  00007efd982fb800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   19.521284][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.521518][  T468] CR2: 00007efd986ab200 CR3: 000000000e31a001 CR4: 0000000000772ef0
[   19.521797][  T468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   19.522071][  T468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   19.522373][  T468] PKRU: 55555554
[   19.522515][  T468] Call Trace:
[   19.522655][  T468]  <TASK>
[ 19.522753][ T468] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.522940][ T468] ? __warn (kernel/panic.c:748) 
[ 19.523087][ T468] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.523287][ T468] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 19.523481][ T468] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 19.523626][ T468] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 19.523824][ T468] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 19.524025][ T468] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.524213][ T468] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 19.524419][ T468] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 19.524658][ T468] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 19.524855][ T468] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 19.525048][ T468] register_netdevice (net/core/dev.c:11003) 
[ 19.525255][ T468] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 19.525454][ T468] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 19.525657][ T468] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 19.525901][ T468] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 19.526149][ T468] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 19.526421][ T468] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 19.526665][ T468] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 19.526902][ T468] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 19.527138][ T468] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 19.527337][ T468] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 19.527585][ T468] devlink_reload (net/devlink/dev.c:474) 
[ 19.527783][ T468] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 19.527975][ T468] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 19.528216][ T468] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 19.528427][ T468] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.528664][ T468] ? __nla_parse (lib/nlattr.c:732) 
[ 19.528866][ T468] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 19.529057][ T468] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 19.529317][ T468] ? cap_capable (security/commoncap.c:131) 
[ 19.529505][ T468] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 19.529699][ T468] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 19.529891][ T468] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 19.530080][ T468] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 19.530331][ T468] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.530564][ T468] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 19.530810][ T468] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 19.531000][ T468] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 19.531186][ T468] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 19.531399][ T468] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 19.531604][ T468] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 19.531749][ T468] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 19.531941][ T468] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 19.532139][ T468] genl_rcv (net/netlink/genetlink.c:1220) 
[ 19.532292][ T468] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 19.532484][ T468] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 19.532675][ T468] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 19.532872][ T468] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 19.533065][ T468] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 19.533261][ T468] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 19.533455][ T468] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 19.533651][ T468] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 19.533842][ T468] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 19.534039][ T468] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 19.534232][ T468] ? __sys_recvmsg (net/socket.c:2859) 
[ 19.534439][ T468] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 19.534636][ T468] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 19.534832][ T468] __x64_sys_sendto (net/socket.c:2181) 
[ 19.535029][ T468] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 19.535283][ T468] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 19.535476][ T468] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.535706][  T468] RIP: 0033:0x7efd98507a4a
[ 19.535898][ T468] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   19.536561][  T468] RSP: 002b:00007fffdcc91988 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   19.536845][  T468] RAX: ffffffffffffffda RBX: 000000000ea10b00 RCX: 00007efd98507a4a
[   19.537127][  T468] RDX: 0000000000000038 RSI: 000000000ea10b00 RDI: 0000000000000005
[   19.537414][  T468] RBP: 000000000ea10910 R08: 00007efd986ab200 R09: 000000000000000c
[   19.537692][  T468] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   19.537971][  T468] R13: 000000000ea10910 R14: 0000000000000000 R15: 0000000000000003
| [  292.280407][  T980] ------------[ cut here ]------------
| [ 292.280659][ T980] WARNING: CPU: 3 PID: 980 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  292.281076][  T980] Modules linked in: netdevsim
| [  292.281680][  T980] Tainted: [W]=WARN
[  292.281834][  T980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 292.282078][ T980] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.282377][ T980] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  292.283070][  T980] RSP: 0018:ffffc90001d071e8 EFLAGS: 00010246
[  292.283354][  T980] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  292.283662][  T980] RDX: 0000000000000000 RSI: ffff88800bd02c98 RDI: ffff88800a4b8b00
[  292.283948][  T980] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  292.284285][  T980] R10: ffffffffad3ec1e7 R11: ffff88800a4b8040 R12: 0000000000000000
[  292.284573][  T980] R13: ffff88800bd02128 R14: ffff88800bd02008 R15: ffff88800bd02000
[  292.284889][  T980] FS:  00007f1e664bf800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  292.285229][  T980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  292.285492][  T980] CR2: 00007f1e6686f200 CR3: 0000000009384005 CR4: 0000000000772ef0
[  292.285800][  T980] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  292.286125][  T980] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  292.286451][  T980] PKRU: 55555554
[  292.286625][  T980] Call Trace:
[  292.286774][  T980]  <TASK>
[ 292.286883][ T980] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.287126][ T980] ? __warn (kernel/panic.c:748) 
[ 292.287294][ T980] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.287496][ T980] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 292.287715][ T980] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 292.287886][ T980] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 292.288086][ T980] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 292.288315][ T980] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.288512][ T980] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 292.288731][ T980] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 292.288983][ T980] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 292.289202][ T980] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 292.289418][ T980] register_netdevice (net/core/dev.c:11003) 
[ 292.289623][ T980] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 292.289844][ T980] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 292.290068][ T980] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 292.290356][ T980] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 292.290625][ T980] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 292.290888][ T980] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 292.291143][ T980] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 292.291416][ T980] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 292.291665][ T980] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 292.291860][ T980] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 292.292121][ T980] devlink_reload (net/devlink/dev.c:474) 
[ 292.292345][ T980] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 292.292545][ T980] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 292.292869][ T980] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 292.293141][ T980] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.293541][ T980] ? __nla_parse (lib/nlattr.c:732) 
[ 292.293860][ T980] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 292.294197][ T980] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 292.294649][ T980] ? cap_capable (security/commoncap.c:131) 
[ 292.294970][ T980] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 292.295307][ T980] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 292.295654][ T980] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 292.295981][ T980] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 292.296414][ T980] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.296673][ T980] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 292.296925][ T980] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 292.297137][ T980] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 292.297380][ T980] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 292.297582][ T980] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 292.297794][ T980] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 292.297943][ T980] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 292.298142][ T980] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 292.298409][ T980] genl_rcv (net/netlink/genetlink.c:1220) 
[ 292.298561][ T980] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 292.298760][ T980] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 292.298954][ T980] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 292.299163][ T980] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 292.299401][ T980] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 292.299598][ T980] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 292.299795][ T980] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 292.299996][ T980] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 292.300200][ T980] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 292.300433][ T980] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 292.300634][ T980] ? __sys_recvmsg (net/socket.c:2859) 
[ 292.300825][ T980] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 292.301034][ T980] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 292.301271][ T980] __x64_sys_sendto (net/socket.c:2181) 
[ 292.301483][ T980] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 292.301731][ T980] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 292.301980][ T980] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  292.302344][  T980] RIP: 0033:0x7f1e666cba4a
[ 292.302553][ T980] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  292.303214][  T980] RSP: 002b:00007ffe23604478 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.303588][  T980] RAX: ffffffffffffffda RBX: 0000000013631b00 RCX: 00007f1e666cba4a
[  292.303880][  T980] RDX: 0000000000000038 RSI: 0000000013631b00 RDI: 0000000000000005
[  292.304167][  T980] RBP: 0000000013631910 R08: 00007f1e6686f200 R09: 000000000000000c
[  292.304488][  T980] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  292.304789][  T980] R13: 0000000013631910 R14: 0000000000000000 R15: 0000000000000003
| [  293.133849][  T994] ------------[ cut here ]------------
| [ 293.134135][ T994] WARNING: CPU: 2 PID: 994 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  293.134582][  T994] Modules linked in: netdevsim
| [  293.135159][  T994] Tainted: [W]=WARN
[  293.135337][  T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 293.135592][ T994] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.135849][ T994] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  293.136532][  T994] RSP: 0018:ffffc90001d471e8 EFLAGS: 00010246
[  293.136789][  T994] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  293.137099][  T994] RDX: 0000000000000000 RSI: ffff88800e01ac98 RDI: ffff888005162dc0
[  293.137409][  T994] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  293.137703][  T994] R10: ffffffffad3ec1e7 R11: ffff888005162300 R12: 0000000000000000
[  293.138045][  T994] R13: ffff88800e01a128 R14: ffff88800e01a008 R15: ffff88800e01a000
[  293.138368][  T994] FS:  00007f8c54c9b800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  293.138707][  T994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  293.138957][  T994] CR2: 00007f02854607d0 CR3: 0000000009384002 CR4: 0000000000772ef0
[  293.139366][  T994] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  293.139742][  T994] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  293.140142][  T994] PKRU: 55555554
[  293.140401][  T994] Call Trace:
[  293.140643][  T994]  <TASK>
[ 293.140832][ T994] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.141041][ T994] ? __warn (kernel/panic.c:748) 
[ 293.141212][ T994] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.141433][ T994] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 293.141647][ T994] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 293.141833][ T994] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 293.142040][ T994] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 293.142282][ T994] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.142523][ T994] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 293.142762][ T994] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 293.143015][ T994] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 293.143227][ T994] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 293.143450][ T994] register_netdevice (net/core/dev.c:11003) 
[ 293.143661][ T994] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 293.143877][ T994] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 293.144099][ T994] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 293.144380][ T994] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 293.144652][ T994] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 293.144915][ T994] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 293.145174][ T994] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 293.145466][ T994] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 293.145726][ T994] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 293.145930][ T994] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 293.146194][ T994] devlink_reload (net/devlink/dev.c:474) 
[ 293.146437][ T994] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 293.146645][ T994] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 293.146904][ T994] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 293.147138][ T994] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 293.147404][ T994] ? __nla_parse (lib/nlattr.c:732) 
[ 293.147646][ T994] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 293.147854][ T994] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 293.148119][ T994] ? cap_capable (security/commoncap.c:131) 
[ 293.148336][ T994] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 293.148549][ T994] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 293.148762][ T994] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 293.148971][ T994] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 293.149215][ T994] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 293.149481][ T994] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 293.149741][ T994] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 293.149946][ T994] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 293.150147][ T994] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 293.150423][ T994] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 293.150655][ T994] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 293.150817][ T994] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 293.151022][ T994] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 293.151243][ T994] genl_rcv (net/netlink/genetlink.c:1220) 
[ 293.151401][ T994] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 293.151609][ T994] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 293.151849][ T994] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 293.152061][ T994] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 293.152290][ T994] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 293.152491][ T994] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 293.152699][ T994] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 293.152912][ T994] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 293.153122][ T994] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 293.153346][ T994] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 293.153567][ T994] ? __sys_recvmsg (net/socket.c:2859) 
[ 293.153769][ T994] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 293.153983][ T994] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 293.154192][ T994] __x64_sys_sendto (net/socket.c:2181) 
[ 293.154423][ T994] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 293.154711][ T994] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 293.154921][ T994] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  293.155181][  T994] RIP: 0033:0x7f8c54ea7a4a
[ 293.155409][ T994] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  293.156081][  T994] RSP: 002b:00007ffe491bd778 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  293.156398][  T994] RAX: ffffffffffffffda RBX: 000000003ad6db00 RCX: 00007f8c54ea7a4a
[  293.156700][  T994] RDX: 0000000000000038 RSI: 000000003ad6db00 RDI: 0000000000000005
[  293.157015][  T994] RBP: 000000003ad6d910 R08: 00007f8c5504b200 R09: 000000000000000c
[  293.157321][  T994] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  293.157614][  T994] R13: 000000003ad6d910 R14: 0000000000000000 R15: 0000000000000003
| [  294.411841][ T1025] ------------[ cut here ]------------
| [ 294.412223][ T1025] WARNING: CPU: 2 PID: 1025 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  294.412802][ T1025] Modules linked in: netdevsim
| [  294.413611][ T1025] Tainted: [W]=WARN
[  294.413786][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 294.414068][ T1025] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.414380][ T1025] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  294.415153][ T1025] RSP: 0018:ffffc90001e971e8 EFLAGS: 00010246
[  294.415467][ T1025] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  294.415785][ T1025] RDX: 0000000000000000 RSI: ffff888009732c98 RDI: ffff88800a4f0b00
[  294.416125][ T1025] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  294.416458][ T1025] R10: ffffffffad3ec1e7 R11: ffff88800a4f0040 R12: 0000000000000000
[  294.416837][ T1025] R13: ffff888009732128 R14: ffff888009732008 R15: ffff888009732000
[  294.417255][ T1025] FS:  00007ffb14d71800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  294.417616][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  294.417879][ T1025] CR2: 00007ffb15121200 CR3: 000000000235e006 CR4: 0000000000772ef0
[  294.418217][ T1025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  294.418642][ T1025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  294.418978][ T1025] PKRU: 55555554
[  294.419188][ T1025] Call Trace:
[  294.419404][ T1025]  <TASK>
[ 294.419524][ T1025] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.419747][ T1025] ? __warn (kernel/panic.c:748) 
[ 294.419925][ T1025] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.420280][ T1025] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 294.420526][ T1025] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 294.420692][ T1025] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 294.420968][ T1025] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 294.421222][ T1025] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.421526][ T1025] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 294.421782][ T1025] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 294.422054][ T1025] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 294.422417][ T1025] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 294.422745][ T1025] register_netdevice (net/core/dev.c:11003) 
[ 294.423063][ T1025] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 294.423416][ T1025] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 294.423651][ T1025] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 294.423919][ T1025] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 294.424289][ T1025] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 294.424624][ T1025] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 294.424905][ T1025] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 294.425270][ T1025] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 294.425608][ T1025] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 294.425879][ T1025] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 294.426170][ T1025] devlink_reload (net/devlink/dev.c:474) 
[ 294.426470][ T1025] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 294.426694][ T1025] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 294.427043][ T1025] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 294.427395][ T1025] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.427663][ T1025] ? __nla_parse (lib/nlattr.c:732) 
[ 294.427897][ T1025] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 294.428169][ T1025] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 294.428569][ T1025] ? cap_capable (security/commoncap.c:131) 
[ 294.428862][ T1025] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 294.429088][ T1025] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 294.429404][ T1025] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 294.429623][ T1025] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 294.429914][ T1025] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.430232][ T1025] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 294.430620][ T1025] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 294.430842][ T1025] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 294.431047][ T1025] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 294.431284][ T1025] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 294.431505][ T1025] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 294.431667][ T1025] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 294.431885][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 294.432100][ T1025] genl_rcv (net/netlink/genetlink.c:1220) 
[ 294.432288][ T1025] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 294.432497][ T1025] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 294.432702][ T1025] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 294.432920][ T1025] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 294.433147][ T1025] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 294.433407][ T1025] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 294.433626][ T1025] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 294.433845][ T1025] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 294.434057][ T1025] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 294.434309][ T1025] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 294.434526][ T1025] ? __sys_recvmsg (net/socket.c:2859) 
[ 294.434735][ T1025] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 294.434951][ T1025] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 294.435190][ T1025] __x64_sys_sendto (net/socket.c:2181) 
[ 294.435420][ T1025] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 294.435673][ T1025] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 294.435880][ T1025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  294.436144][ T1025] RIP: 0033:0x7ffb14f7da4a
[ 294.436376][ T1025] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  294.437076][ T1025] RSP: 002b:00007ffdb12f46f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  294.437471][ T1025] RAX: ffffffffffffffda RBX: 000000002dbb5b00 RCX: 00007ffb14f7da4a
[  294.437791][ T1025] RDX: 0000000000000038 RSI: 000000002dbb5b00 RDI: 0000000000000005
[  294.438091][ T1025] RBP: 000000002dbb5910 R08: 00007ffb15121200 R09: 000000000000000c
[  294.438530][ T1025] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  294.438838][ T1025] R13: 000000002dbb5910 R14: 0000000000000000 R15: 0000000000000003
| [  295.640970][ T1043] ------------[ cut here ]------------
| [ 295.641310][ T1043] WARNING: CPU: 3 PID: 1043 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  295.641878][ T1043] Modules linked in: netdevsim
| [  295.642656][ T1043] Tainted: [W]=WARN
[  295.642901][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 295.643179][ T1043] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.643453][ T1043] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  295.644214][ T1043] RSP: 0018:ffffc90001ef71e8 EFLAGS: 00010246
[  295.644589][ T1043] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  295.644964][ T1043] RDX: 0000000000000000 RSI: ffff88800a71ac98 RDI: ffff888005162dc0
[  295.645271][ T1043] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  295.645626][ T1043] R10: ffffffffad3ec1e7 R11: ffff888005162300 R12: 0000000000000000
[  295.646054][ T1043] R13: ffff88800a71a128 R14: ffff88800a71a008 R15: ffff88800a71a000
[  295.646436][ T1043] FS:  00007f6ca32c8800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  295.646795][ T1043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  295.647204][ T1043] CR2: 00007f6ca3678200 CR3: 000000000bd4a004 CR4: 0000000000772ef0
[  295.647560][ T1043] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  295.647943][ T1043] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  295.648305][ T1043] PKRU: 55555554
[  295.648480][ T1043] Call Trace:
[  295.648633][ T1043]  <TASK>
[ 295.648735][ T1043] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.648993][ T1043] ? __warn (kernel/panic.c:748) 
[ 295.649202][ T1043] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.649492][ T1043] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 295.649710][ T1043] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 295.649935][ T1043] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 295.650148][ T1043] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 295.650380][ T1043] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.650583][ T1043] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 295.650867][ T1043] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 295.651214][ T1043] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 295.651437][ T1043] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 295.651647][ T1043] register_netdevice (net/core/dev.c:11003) 
[ 295.651884][ T1043] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 295.652126][ T1043] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 295.652362][ T1043] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 295.652668][ T1043] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 295.653013][ T1043] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 295.653329][ T1043] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 295.653631][ T1043] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 295.653943][ T1043] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 295.654294][ T1043] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 295.654513][ T1043] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 295.654834][ T1043] devlink_reload (net/devlink/dev.c:474) 
[ 295.655141][ T1043] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 295.655355][ T1043] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 295.655682][ T1043] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 295.655911][ T1043] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.656299][ T1043] ? __nla_parse (lib/nlattr.c:732) 
[ 295.656589][ T1043] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 295.656811][ T1043] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 295.657161][ T1043] ? cap_capable (security/commoncap.c:131) 
[ 295.657419][ T1043] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 295.657660][ T1043] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 295.657901][ T1043] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 295.658181][ T1043] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 295.658457][ T1043] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.658788][ T1043] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 295.659118][ T1043] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 295.659392][ T1043] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 295.659622][ T1043] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 295.659849][ T1043] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 295.660130][ T1043] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 295.660349][ T1043] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 295.660621][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 295.660883][ T1043] genl_rcv (net/netlink/genetlink.c:1220) 
[ 295.661045][ T1043] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 295.661365][ T1043] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 295.661633][ T1043] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 295.661956][ T1043] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 295.662267][ T1043] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 295.662479][ T1043] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 295.662810][ T1043] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 295.663041][ T1043] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 295.663259][ T1043] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 295.663470][ T1043] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 295.663674][ T1043] ? __sys_recvmsg (net/socket.c:2859) 
[ 295.663875][ T1043] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 295.664079][ T1043] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 295.664321][ T1043] __x64_sys_sendto (net/socket.c:2181) 
[ 295.664534][ T1043] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 295.664773][ T1043] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 295.664969][ T1043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  295.665206][ T1043] RIP: 0033:0x7f6ca34d4a4a
[ 295.665446][ T1043] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  295.666120][ T1043] RSP: 002b:00007fffa541deb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  295.666426][ T1043] RAX: ffffffffffffffda RBX: 0000000011908b00 RCX: 00007f6ca34d4a4a
[  295.666707][ T1043] RDX: 0000000000000038 RSI: 0000000011908b00 RDI: 0000000000000005
[  295.667015][ T1043] RBP: 0000000011908910 R08: 00007f6ca3678200 R09: 000000000000000c
[  295.667307][ T1043] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  295.667589][ T1043] R13: 0000000011908910 R14: 0000000000000000 R15: 0000000000000003
| [  299.601081][ T1136] ------------[ cut here ]------------
| [ 299.601485][ T1136] WARNING: CPU: 2 PID: 1136 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  299.601961][ T1136] Modules linked in: netdevsim
| [  299.602621][ T1136] Tainted: [W]=WARN
[  299.602788][ T1136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 299.603042][ T1136] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.603333][ T1136] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  299.604063][ T1136] RSP: 0018:ffffc900021c71e8 EFLAGS: 00010246
[  299.604366][ T1136] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  299.604679][ T1136] RDX: 0000000000000000 RSI: ffff88800e022c98 RDI: ffff88800a4badc0
[  299.605007][ T1136] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  299.605466][ T1136] R10: ffffffffad3ec1e7 R11: ffff88800a4ba300 R12: 0000000000000000
[  299.605803][ T1136] R13: ffff88800e022128 R14: ffff88800e022008 R15: ffff88800e022000
[  299.606116][ T1136] FS:  00007fea15646800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  299.606494][ T1136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  299.606766][ T1136] CR2: 00007fea159f6200 CR3: 000000000e182003 CR4: 0000000000772ef0
[  299.607090][ T1136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  299.607413][ T1136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  299.607747][ T1136] PKRU: 55555554
[  299.607907][ T1136] Call Trace:
[  299.608074][ T1136]  <TASK>
[ 299.608190][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.608432][ T1136] ? __warn (kernel/panic.c:748) 
[ 299.608625][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.608852][ T1136] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 299.609085][ T1136] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 299.609312][ T1136] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 299.609576][ T1136] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 299.609806][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.610039][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 299.610308][ T1136] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 299.610596][ T1136] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 299.610812][ T1136] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 299.611044][ T1136] register_netdevice (net/core/dev.c:11003) 
[ 299.611282][ T1136] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 299.611526][ T1136] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 299.611766][ T1136] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 299.612043][ T1136] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 299.612349][ T1136] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 299.612675][ T1136] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 299.613085][ T1136] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 299.613442][ T1136] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 299.613716][ T1136] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 299.613930][ T1136] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 299.614201][ T1136] devlink_reload (net/devlink/dev.c:474) 
[ 299.614440][ T1136] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 299.614661][ T1136] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 299.614928][ T1136] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 299.615137][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.615421][ T1136] ? __nla_parse (lib/nlattr.c:732) 
[ 299.615660][ T1136] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 299.615874][ T1136] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 299.616164][ T1136] ? cap_capable (security/commoncap.c:131) 
[ 299.616394][ T1136] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 299.616631][ T1136] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 299.616859][ T1136] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 299.617090][ T1136] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 299.617434][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.617697][ T1136] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 299.617984][ T1136] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 299.618201][ T1136] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 299.618449][ T1136] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 299.618676][ T1136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 299.618902][ T1136] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 299.619064][ T1136] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 299.619286][ T1136] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 299.619503][ T1136] genl_rcv (net/netlink/genetlink.c:1220) 
[ 299.619667][ T1136] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 299.619878][ T1136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 299.620088][ T1136] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 299.620318][ T1136] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 299.620538][ T1136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 299.620749][ T1136] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 299.620959][ T1136] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 299.621184][ T1136] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 299.621444][ T1136] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 299.621702][ T1136] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 299.621922][ T1136] ? __sys_recvmsg (net/socket.c:2859) 
[ 299.622128][ T1136] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 299.622381][ T1136] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 299.622601][ T1136] __x64_sys_sendto (net/socket.c:2181) 
[ 299.622818][ T1136] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 299.623083][ T1136] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 299.623328][ T1136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  299.623589][ T1136] RIP: 0033:0x7fea15852a4a
[ 299.623809][ T1136] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  299.624523][ T1136] RSP: 002b:00007ffed4442908 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  299.624837][ T1136] RAX: ffffffffffffffda RBX: 0000000002da5b00 RCX: 00007fea15852a4a
[  299.625145][ T1136] RDX: 0000000000000038 RSI: 0000000002da5b00 RDI: 0000000000000005
[  299.625551][ T1136] RBP: 0000000002da5910 R08: 00007fea159f6200 R09: 000000000000000c
[  299.625877][ T1136] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  299.626178][ T1136] R13: 0000000002da5910 R14: 0000000000000000 R15: 0000000000000003
| [  300.697437][ T1150] ------------[ cut here ]------------
| [ 300.697764][ T1150] WARNING: CPU: 2 PID: 1150 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  300.698222][ T1150] Modules linked in: netdevsim
| [  300.698888][ T1150] Tainted: [W]=WARN
[  300.699050][ T1150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 300.699323][ T1150] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.699586][ T1150] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  300.700304][ T1150] RSP: 0018:ffffc900022071e8 EFLAGS: 00010246
[  300.700584][ T1150] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  300.700883][ T1150] RDX: 0000000000000000 RSI: ffff88800e2eac98 RDI: ffff88800a525080
[  300.701188][ T1150] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  300.701528][ T1150] R10: ffffffffad3ec1e7 R11: ffff88800a5245c0 R12: 0000000000000000
[  300.701825][ T1150] R13: ffff88800e2ea128 R14: ffff88800e2ea008 R15: ffff88800e2ea000
[  300.702125][ T1150] FS:  00007f03ffa62800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  300.702487][ T1150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  300.702744][ T1150] CR2: 00007f03ffe12200 CR3: 000000000e182002 CR4: 0000000000772ef0
[  300.703050][ T1150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  300.703370][ T1150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  300.703691][ T1150] PKRU: 55555554
[  300.703889][ T1150] Call Trace:
[  300.704050][ T1150]  <TASK>
[ 300.704167][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.704399][ T1150] ? __warn (kernel/panic.c:748) 
[ 300.704565][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.704773][ T1150] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 300.704996][ T1150] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 300.705165][ T1150] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 300.705400][ T1150] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 300.705634][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.705867][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 300.706103][ T1150] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 300.706386][ T1150] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 300.706619][ T1150] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 300.706832][ T1150] register_netdevice (net/core/dev.c:11003) 
[ 300.707071][ T1150] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 300.707326][ T1150] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 300.707613][ T1150] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 300.707875][ T1150] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 300.708145][ T1150] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 300.708460][ T1150] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 300.708722][ T1150] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 300.709007][ T1150] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 300.709318][ T1150] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 300.709568][ T1150] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 300.709832][ T1150] devlink_reload (net/devlink/dev.c:474) 
[ 300.710060][ T1150] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 300.710283][ T1150] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 300.710548][ T1150] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 300.710766][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.711021][ T1150] ? __nla_parse (lib/nlattr.c:732) 
[ 300.711269][ T1150] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 300.711478][ T1150] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 300.711741][ T1150] ? cap_capable (security/commoncap.c:131) 
[ 300.711948][ T1150] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 300.712184][ T1150] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 300.712428][ T1150] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 300.712643][ T1150] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 300.712903][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.713159][ T1150] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 300.713457][ T1150] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 300.713671][ T1150] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 300.713880][ T1150] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 300.714089][ T1150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 300.714317][ T1150] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 300.714486][ T1150] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 300.714693][ T1150] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 300.714934][ T1150] genl_rcv (net/netlink/genetlink.c:1220) 
[ 300.715094][ T1150] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 300.715331][ T1150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 300.715567][ T1150] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 300.715797][ T1150] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 300.716015][ T1150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 300.716249][ T1150] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 300.716484][ T1150] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 300.716706][ T1150] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 300.716935][ T1150] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 300.717178][ T1150] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 300.717430][ T1150] ? __sys_recvmsg (net/socket.c:2859) 
[ 300.717650][ T1150] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 300.717881][ T1150] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 300.718106][ T1150] __x64_sys_sendto (net/socket.c:2181) 
[ 300.718320][ T1150] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 300.718572][ T1150] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 300.718807][ T1150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  300.719063][ T1150] RIP: 0033:0x7f03ffc6ea4a
[ 300.719307][ T1150] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  300.720016][ T1150] RSP: 002b:00007ffc69133d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  300.720334][ T1150] RAX: ffffffffffffffda RBX: 000000000f4beb00 RCX: 00007f03ffc6ea4a
[  300.720650][ T1150] RDX: 0000000000000038 RSI: 000000000f4beb00 RDI: 0000000000000005
[  300.720945][ T1150] RBP: 000000000f4be910 R08: 00007f03ffe12200 R09: 000000000000000c
[  300.721269][ T1150] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  300.721586][ T1150] R13: 000000000f4be910 R14: 0000000000000000 R15: 0000000000000003
| [  303.674530][ T1215] ------------[ cut here ]------------
| [ 303.674779][ T1215] WARNING: CPU: 3 PID: 1215 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  303.675160][ T1215] Modules linked in: netdevsim
| [  303.675821][ T1215] Tainted: [W]=WARN
[  303.675966][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 303.676209][ T1215] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.676481][ T1215] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  303.677171][ T1215] RSP: 0018:ffffc900024971e8 EFLAGS: 00010246
[  303.677431][ T1215] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  303.677723][ T1215] RDX: 0000000000000000 RSI: ffff88800bd02c98 RDI: ffff88800dfb2dc0
[  303.678013][ T1215] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  303.678344][ T1215] R10: ffffffffad3ec1e7 R11: ffff88800dfb2300 R12: 0000000000000000
[  303.678636][ T1215] R13: ffff88800bd02128 R14: ffff88800bd02008 R15: ffff88800bd02000
[  303.678927][ T1215] FS:  00007f5aa18c9800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  303.679268][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  303.679538][ T1215] CR2: 00007f5aa1c79200 CR3: 0000000004fb4003 CR4: 0000000000772ef0
[  303.679858][ T1215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  303.680144][ T1215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  303.680442][ T1215] PKRU: 55555554
[  303.680587][ T1215] Call Trace:
[  303.680732][ T1215]  <TASK>
[ 303.680834][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.681032][ T1215] ? __warn (kernel/panic.c:748) 
[ 303.681195][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.681407][ T1215] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 303.681605][ T1215] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 303.681756][ T1215] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 303.681957][ T1215] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 303.682205][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.682440][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 303.682646][ T1215] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 303.682892][ T1215] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 303.683091][ T1215] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 303.683318][ T1215] register_netdevice (net/core/dev.c:11003) 
[ 303.683559][ T1215] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 303.683764][ T1215] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 303.683976][ T1215] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 303.684265][ T1215] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 303.684526][ T1215] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 303.684780][ T1215] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 303.685090][ T1215] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 303.685375][ T1215] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 303.685625][ T1215] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 303.685825][ T1215] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 303.686098][ T1215] devlink_reload (net/devlink/dev.c:474) 
[ 303.686394][ T1215] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 303.686587][ T1215] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 303.686932][ T1215] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 303.687147][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 303.687465][ T1215] ? __nla_parse (lib/nlattr.c:732) 
[ 303.687678][ T1215] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 303.687916][ T1215] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 303.688186][ T1215] ? cap_capable (security/commoncap.c:131) 
[ 303.688392][ T1215] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 303.688589][ T1215] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 303.688792][ T1215] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 303.689003][ T1215] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 303.689268][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 303.689525][ T1215] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 303.689814][ T1215] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 303.690022][ T1215] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 303.690225][ T1215] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 303.690441][ T1215] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 303.690664][ T1215] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 303.690814][ T1215] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 303.691021][ T1215] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 303.691272][ T1215] genl_rcv (net/netlink/genetlink.c:1220) 
[ 303.691421][ T1215] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 303.691623][ T1215] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 303.691824][ T1215] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 303.692023][ T1215] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 303.692218][ T1215] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 303.692499][ T1215] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 303.692822][ T1215] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 303.693177][ T1215] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 303.693519][ T1215] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 303.693849][ T1215] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 303.694179][ T1215] ? __sys_recvmsg (net/socket.c:2859) 
[ 303.694495][ T1215] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 303.694824][ T1215] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 303.695152][ T1215] __x64_sys_sendto (net/socket.c:2181) 
[ 303.695480][ T1215] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 303.695861][ T1215] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 303.696181][ T1215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  303.696564][ T1215] RIP: 0033:0x7f5aa1ad5a4a
[ 303.696870][ T1215] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  303.697957][ T1215] RSP: 002b:00007ffe4fed2bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  303.698454][ T1215] RAX: ffffffffffffffda RBX: 000000003263eb00 RCX: 00007f5aa1ad5a4a
[  303.698917][ T1215] RDX: 0000000000000038 RSI: 000000003263eb00 RDI: 0000000000000005
[  303.699417][ T1215] RBP: 000000003263e910 R08: 00007f5aa1c79200 R09: 000000000000000c
[  303.699869][ T1215] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  303.700329][ T1215] R13: 000000003263e910 R14: 0000000000000000 R15: 0000000000000003
| [  305.236312][ T1245] ------------[ cut here ]------------
| [ 305.236612][ T1245] WARNING: CPU: 3 PID: 1245 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  305.237166][ T1245] Modules linked in: netdevsim
| [  305.237832][ T1245] Tainted: [W]=WARN
[  305.237978][ T1245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 305.238267][ T1245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.238549][ T1245] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  305.239491][ T1245] RSP: 0018:ffffc900025d71e8 EFLAGS: 00010246
[  305.239805][ T1245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  305.240164][ T1245] RDX: 0000000000000000 RSI: ffff88800e01ac98 RDI: ffff8880095eadc0
[  305.240618][ T1245] RBP: ffff888002b20040 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  305.240957][ T1245] R10: ffffffffad3ec1e7 R11: ffff8880095ea300 R12: 0000000000000000
[  305.241402][ T1245] R13: ffff88800e01a128 R14: ffff88800e01a008 R15: ffff88800e01a000
[  305.241754][ T1245] FS:  00007f3a28288800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  305.242130][ T1245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.242434][ T1245] CR2: 00007f3a28638200 CR3: 000000000bc1a004 CR4: 0000000000772ef0
[  305.242734][ T1245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  305.243069][ T1245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  305.243410][ T1245] PKRU: 55555554
[  305.243574][ T1245] Call Trace:
[  305.243741][ T1245]  <TASK>
[ 305.243853][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.244060][ T1245] ? __warn (kernel/panic.c:748) 
[ 305.244249][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.244471][ T1245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 305.244699][ T1245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 305.244868][ T1245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 305.245080][ T1245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 305.245331][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.245544][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 305.245762][ T1245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 305.246081][ T1245] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 305.246313][ T1245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 305.246553][ T1245] register_netdevice (net/core/dev.c:11003) 
[ 305.246766][ T1245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 305.246989][ T1245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 305.247261][ T1245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 305.247544][ T1245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 305.247837][ T1245] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 305.248139][ T1245] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 305.248464][ T1245] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 305.248827][ T1245] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 305.249145][ T1245] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 305.249485][ T1245] devlink_reload (net/devlink/dev.c:474) 
[ 305.249746][ T1245] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 305.249978][ T1245] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 305.250313][ T1245] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 305.250568][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.250854][ T1245] ? __nla_parse (lib/nlattr.c:732) 
[ 305.251122][ T1245] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 305.251381][ T1245] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 305.251696][ T1245] ? cap_capable (security/commoncap.c:131) 
[ 305.251914][ T1245] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 305.252172][ T1245] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 305.252451][ T1245] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 305.252683][ T1245] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 305.252967][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.253300][ T1245] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 305.253619][ T1245] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 305.253832][ T1245] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 305.254050][ T1245] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 305.254261][ T1245] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 305.254533][ T1245] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 305.254712][ T1245] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 305.254939][ T1245] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 305.255199][ T1245] genl_rcv (net/netlink/genetlink.c:1220) 
[ 305.255387][ T1245] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 305.255646][ T1245] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 305.255925][ T1245] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 305.256204][ T1245] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 305.256494][ T1245] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 305.256754][ T1245] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 305.257043][ T1245] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 305.257315][ T1245] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 305.257573][ T1245] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 305.257803][ T1245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 305.258040][ T1245] ? __sys_recvmsg (net/socket.c:2859) 
[ 305.258288][ T1245] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 305.258512][ T1245] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 305.258725][ T1245] __x64_sys_sendto (net/socket.c:2181) 
[ 305.258953][ T1245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 305.259226][ T1245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 305.259467][ T1245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  305.259737][ T1245] RIP: 0033:0x7f3a28494a4a
[ 305.259951][ T1245] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  305.260711][ T1245] RSP: 002b:00007ffff73c6378 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  305.261049][ T1245] RAX: ffffffffffffffda RBX: 0000000005ea4b00 RCX: 00007f3a28494a4a
[  305.261356][ T1245] RDX: 0000000000000038 RSI: 0000000005ea4b00 RDI: 0000000000000005
[  305.261680][ T1245] RBP: 0000000005ea4910 R08: 00007f3a28638200 R09: 000000000000000c
[  305.262017][ T1245] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  305.262359][ T1245] R13: 0000000005ea4910 R14: 0000000000000000 R15: 0000000000000003
| [  305.629898][   T66] ------------[ cut here ]------------
| [ 305.630429][ T66] WARNING: CPU: 2 PID: 66 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  305.630929][   T66] Modules linked in: netdevsim
| [  305.631741][   T66] Tainted: [W]=WARN
[  305.631943][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  305.632273][   T66] Workqueue: netns cleanup_net
[ 305.632617][ T66] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.632943][ T66] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  305.633825][   T66] RSP: 0018:ffffc90000477620 EFLAGS: 00010246
[  305.634144][   T66] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  305.634546][   T66] RDX: 0000000000000000 RSI: ffff888009732c98 RDI: ffff888008f0d0d0
[  305.634919][   T66] RBP: ffffffffaf523440 R08: 0000000000000000 R09: fffffbfff5a7d83c
[  305.635312][   T66] R10: ffffffffad3ec1e7 R11: ffff888008f0c5c0 R12: 0000000000000000
[  305.635690][   T66] R13: ffff888009732128 R14: ffff888009732008 R15: ffff888009732000
[  305.636061][   T66] FS:  0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  305.636525][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.636854][   T66] CR2: 00007f0cd145d258 CR3: 0000000017528005 CR4: 0000000000772ef0
[  305.637265][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  305.637642][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  305.638384][   T66] PKRU: 55555554
[  305.638592][   T66] Call Trace:
[  305.638801][   T66]  <TASK>
[ 305.638951][ T66] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.639271][ T66] ? __warn (kernel/panic.c:748) 
[ 305.639487][ T66] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.639758][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 305.640034][ T66] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 305.640255][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 305.640514][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 305.640801][ T66] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.641073][ T66] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 305.641410][ T66] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 305.641680][ T66] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 305.641944][ T66] register_netdevice (net/core/dev.c:11003) 
[ 305.642207][ T66] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 305.642516][ T66] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 305.642822][ T66] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 305.643178][ T66] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 305.643564][ T66] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 305.643926][ T66] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 305.644298][ T66] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 305.644644][ T66] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 305.645011][ T66] devlink_reload (net/devlink/dev.c:474) 
[ 305.645313][ T66] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 305.645595][ T66] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 305.645885][ T66] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 305.646161][ T66] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 305.646542][ T66] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 305.646839][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 305.647134][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 305.647438][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 305.647733][ T66] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 305.648011][ T66] ? process_one_work (kernel/workqueue.c:3214) 
[ 305.648313][ T66] process_one_work (kernel/workqueue.c:3238) 
[ 305.648620][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 305.648898][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 305.649193][ T66] ? assign_work (kernel/workqueue.c:1200) 
[ 305.649495][ T66] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 305.649775][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 305.650119][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 305.650440][ T66] kthread (kernel/kthread.c:464) 
[ 305.650660][ T66] ? __pfx_kthread (kernel/kthread.c:413) 
[ 305.650928][ T66] ? __pfx_kthread (kernel/kthread.c:413) 
[ 305.651196][ T66] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 305.651495][ T66] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_reload_create
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_port_add_all