======================================
| 0
| xx__-> [   10.703259][  T227] ------------[ cut here ]------------
| [ 10.703778][ T227] WARNING: CPU: 0 PID: 227 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) 
| [   10.704203][  T227] Modules linked in: netdevsim
[   10.704819][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.705080][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.705347][ T227] 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
[   10.706073][  T227] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[   10.706341][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.706662][  T227] RDX: 0000000000000000 RSI: ffff88800b612c98 RDI: ffff88800acb50f8
[   10.706991][  T227] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   10.707344][  T227] R10: ffffffffa9bec1e7 R11: ffff88800acb45c0 R12: 0000000000000000
[   10.707671][  T227] R13: ffff88800b612128 R14: ffff88800b612008 R15: ffff88800b612000
[   10.707980][  T227] FS:  00007fa334519740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.708342][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.708617][  T227] CR2: 000055d518b17000 CR3: 000000000a1f0005 CR4: 0000000000772ef0
[   10.708927][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.709239][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.709552][  T227] PKRU: 55555554
[   10.709725][  T227] Call Trace:
[   10.709889][  T227]  <TASK>
[ 10.710001][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.710217][ T227] ? __warn (kernel/panic.c:748) 
[ 10.710377][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.710595][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.710818][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.711003][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.711222][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.711461][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.711691][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.711957][ T227] ? _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) 
[ 10.712175][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.712390][ T227] register_netdevice (net/core/dev.c:11003) 
[ 10.712621][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.712840][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.713069][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.713336][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.713500][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.713784][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.714050][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.714319][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.714537][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.714813][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.715058][ T227] ? 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)) 
[ 10.715220][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.715439][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.715668][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.715885][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 10.716096][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.716308][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.716563][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.716782][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.716994][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.717203][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.717417][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.717638][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 10.717848][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.718052][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.718265][ T227] ? 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) 
[ 10.718483][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 10.718705][ T227] device_add (drivers/base/core.c:3672) 
[ 10.718918][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.719159][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.719382][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.719664][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.719933][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.720142][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.720356][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.720566][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.720790][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.720959][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.721170][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.721385][ T227] ? 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) 
[ 10.721612][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.721828][ T227] ksys_write (fs/read_write.c:731) 
[ 10.722003][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.722219][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.722437][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.722660][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.722921][  T227] RIP: 0033:0x7fa33465ab77
[ 10.723182][ T227] 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
[   10.723919][  T227] RSP: 002b:00007ffd8bf39478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.724239][  T227] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa33465ab77
[   10.724548][  T227] RDX: 0000000000000005 RSI: 00005569e14acb60 RDI: 0000000000000001
[   10.724871][  T227] RBP: 00005569e14acb60 R08: 0000000000000003 R09: 0000000000000000
[   10.725187][  T227] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.725496][  T227] R13: 00007fa334716760 R14: 0000000000000005 R15: 00007fa3347119c0
| [   10.740719][  T227] ------------[ cut here ]------------
| [ 10.740977][ T227] WARNING: CPU: 0 PID: 227 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) 
| [   10.741410][  T227] Modules linked in: netdevsim
| [   10.742067][  T227] Tainted: [W]=WARN
[   10.742236][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.742491][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.742760][ T227] 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
[   10.743511][  T227] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[   10.743789][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.744108][  T227] RDX: 0000000000000000 RSI: ffff888008de2c98 RDI: ffff88800acb50f8
[   10.744411][  T227] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   10.744722][  T227] R10: ffffffffa9bec1e7 R11: ffff88800acb45c0 R12: 0000000000000000
[   10.745034][  T227] R13: ffff888008de2128 R14: ffff888008de2008 R15: ffff888008de2000
[   10.745337][  T227] FS:  00007fa334519740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.745699][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.745958][  T227] CR2: 000055d518b17000 CR3: 000000000a1f0005 CR4: 0000000000772ef0
[   10.746272][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.746577][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.746893][  T227] PKRU: 55555554
[   10.747080][  T227] Call Trace:
[   10.747237][  T227]  <TASK>
[ 10.747345][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.747564][ T227] ? __warn (kernel/panic.c:748) 
[ 10.747743][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.747955][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.748172][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.748333][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.748543][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.748773][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.748995][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.749265][ T227] ? _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) 
[ 10.749482][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.749702][ T227] register_netdevice (net/core/dev.c:11003) 
[ 10.749919][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.750137][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.750365][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.750642][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.750806][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.751108][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.751394][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.751673][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.751894][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.752155][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.752374][ T227] ? 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)) 
[ 10.752533][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.752765][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.752984][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.753199][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 10.753409][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.753627][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.754020][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.754229][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.754431][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.754649][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.754856][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.755100][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 10.755310][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.755519][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.755742][ T227] ? 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) 
[ 10.755964][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 10.756175][ T227] device_add (drivers/base/core.c:3672) 
[ 10.756390][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.756606][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.756830][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.757111][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.757383][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.757603][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.757819][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.758026][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.758240][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.758404][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.758626][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.758829][ T227] ? 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) 
[ 10.759077][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.759294][ T227] ksys_write (fs/read_write.c:731) 
[ 10.759454][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.759663][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.759880][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.760097][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.760351][  T227] RIP: 0033:0x7fa33465ab77
[ 10.760563][ T227] 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
[   10.761288][  T227] RSP: 002b:00007ffd8bf39478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.761609][  T227] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa33465ab77
[   10.761908][  T227] RDX: 0000000000000005 RSI: 00005569e14acb60 RDI: 0000000000000001
[   10.762211][  T227] RBP: 00005569e14acb60 R08: 0000000000000003 R09: 0000000000000000
[   10.762512][  T227] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.762826][  T227] R13: 00007fa334716760 R14: 0000000000000005 R15: 00007fa3347119c0
| [   10.776644][  T227] ------------[ cut here ]------------
| [ 10.776878][ T227] WARNING: CPU: 0 PID: 227 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) 
| [   10.777290][  T227] Modules linked in: netdevsim
| [   10.777972][  T227] Tainted: [W]=WARN
[   10.778133][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.778385][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.778659][ T227] 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
[   10.779396][  T227] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[   10.779666][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.779971][  T227] RDX: 0000000000000000 RSI: ffff88800ac62c98 RDI: ffff88800acb50f8
[   10.780271][  T227] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   10.780569][  T227] R10: ffffffffa9bec1e7 R11: ffff88800acb45c0 R12: 0000000000000000
[   10.780878][  T227] R13: ffff88800ac62128 R14: ffff88800ac62008 R15: ffff88800ac62000
[   10.781183][  T227] FS:  00007fa334519740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.781543][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.781803][  T227] CR2: 000055d518b17000 CR3: 000000000a1f0005 CR4: 0000000000772ef0
[   10.782103][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.782400][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.782712][  T227] PKRU: 55555554
[   10.782868][  T227] Call Trace:
[   10.783055][  T227]  <TASK>
[ 10.783162][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.783369][ T227] ? __warn (kernel/panic.c:748) 
[ 10.783528][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.783745][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.783961][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.784117][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.784319][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.784537][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.784759][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.785018][ T227] ? _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) 
[ 10.785228][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.785442][ T227] register_netdevice (net/core/dev.c:11003) 
[ 10.785661][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.785877][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.786099][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.786357][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.786516][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.786792][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.787089][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.787354][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.787570][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.787841][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.788055][ T227] ? 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)) 
[ 10.788211][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.788433][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.788656][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.788864][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 10.789070][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.789278][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.789531][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.789745][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.789955][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.790160][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.790363][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.790573][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 10.790789][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.791023][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.791235][ T227] ? 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) 
[ 10.791471][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 10.791691][ T227] device_add (drivers/base/core.c:3672) 
[ 10.791899][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.792103][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.792319][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.792585][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.792862][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.793074][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.793288][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.793492][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.793714][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.793881][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.794093][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.794295][ T227] ? 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) 
[ 10.794515][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.794739][ T227] ksys_write (fs/read_write.c:731) 
[ 10.794898][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.795131][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.795351][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.795560][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.795823][  T227] RIP: 0033:0x7fa33465ab77
[ 10.796036][ T227] 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
[   10.796753][  T227] RSP: 002b:00007ffd8bf39478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.797060][  T227] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa33465ab77
[   10.797359][  T227] RDX: 0000000000000005 RSI: 00005569e14acb60 RDI: 0000000000000001
[   10.797675][  T227] RBP: 00005569e14acb60 R08: 0000000000000003 R09: 0000000000000000
[   10.797975][  T227] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.798281][  T227] R13: 00007fa334716760 R14: 0000000000000005 R15: 00007fa3347119c0
| [   10.824447][  T227] ------------[ cut here ]------------
| [ 10.825008][ T227] WARNING: CPU: 2 PID: 227 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) 
| [   10.825735][  T227] Modules linked in: netdevsim
| [   10.826808][  T227] Tainted: [W]=WARN
[   10.827079][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.827509][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.828014][ T227] 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
[   10.829435][  T227] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[   10.829906][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.830381][  T227] RDX: 0000000000000000 RSI: ffff88800b43ac98 RDI: ffff88800acb50f8
[   10.830718][  T227] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   10.831055][  T227] R10: ffffffffa9bec1e7 R11: ffff88800acb45c0 R12: 0000000000000000
[   10.831386][  T227] R13: ffff88800b43a128 R14: ffff88800b43a008 R15: ffff88800b43a000
[   10.831758][  T227] FS:  00007fa334519740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   10.832136][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.832402][  T227] CR2: 000055d518b351a8 CR3: 000000000a1f0002 CR4: 0000000000772ef0
[   10.832757][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.833085][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.833396][  T227] PKRU: 55555554
[   10.833564][  T227] Call Trace:
[   10.833761][  T227]  <TASK>
[ 10.833914][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.834157][ T227] ? __warn (kernel/panic.c:748) 
[ 10.834339][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.834568][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.834822][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.835056][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.835274][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.835506][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.835755][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.836047][ T227] ? _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) 
[ 10.836279][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.836500][ T227] register_netdevice (net/core/dev.c:11003) 
[ 10.836742][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.836984][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.837218][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.837495][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.837682][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.838001][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.838280][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.838557][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.838826][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.839133][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.839361][ T227] ? 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)) 
[ 10.839531][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.839776][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.840021][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.840245][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 10.840468][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.840714][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.840998][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.841219][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.841448][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.841683][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.841941][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.842167][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 10.842399][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.842631][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.842870][ T227] ? 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) 
[ 10.843111][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 10.843337][ T227] device_add (drivers/base/core.c:3672) 
[ 10.843558][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.843793][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.844039][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.844327][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.844620][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.844843][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.845088][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.845309][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.845535][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.845962][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.846200][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.846417][ T227] ? 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) 
[ 10.846663][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.846891][ T227] ksys_write (fs/read_write.c:731) 
[ 10.847066][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.847282][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.847517][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.847759][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.848029][  T227] RIP: 0033:0x7fa33465ab77
[ 10.848253][ T227] 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
[   10.848976][  T227] RSP: 002b:00007ffd8bf39478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.849304][  T227] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa33465ab77
[   10.849631][  T227] RDX: 0000000000000005 RSI: 00005569e14acb60 RDI: 0000000000000001
[   10.849980][  T227] RBP: 00005569e14acb60 R08: 0000000000000003 R09: 0000000000000000
[   10.850300][  T227] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.850639][  T227] R13: 00007fa334716760 R14: 0000000000000005 R15: 00007fa3347119c0
| [   40.819821][  T312] ------------[ cut here ]------------
| [ 40.820183][ T312] WARNING: CPU: 1 PID: 312 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) 
| [   40.820688][  T312] Modules linked in: netdevsim
| [   40.821362][  T312] Tainted: [W]=WARN
[   40.821514][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.821839][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.822162][ T312] 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
[   40.823001][  T312] RSP: 0018:ffffc900006a71e8 EFLAGS: 00010246
[   40.823277][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.823565][  T312] RDX: 0000000000000000 RSI: ffff888004ba2c98 RDI: ffff888009b2adc0
[   40.823890][  T312] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   40.824186][  T312] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   40.824476][  T312] R13: ffff888004ba2128 R14: ffff888004ba2008 R15: ffff888004ba2000
[   40.824796][  T312] FS:  00007fdea15f2800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   40.825153][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.825402][  T312] CR2: 000055d518b37058 CR3: 000000000e07c004 CR4: 0000000000772ef0
[   40.825760][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.826250][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.826543][  T312] PKRU: 55555554
[   40.826707][  T312] Call Trace:
[   40.826926][  T312]  <TASK>
[ 40.827028][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.827225][ T312] ? __warn (kernel/panic.c:748) 
[ 40.827375][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.827575][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.827789][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.827975][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.828213][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.828447][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.828663][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.828882][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.829236][ T312] ? _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) 
[ 40.829451][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.829713][ T312] register_netdevice (net/core/dev.c:11003) 
[ 40.829948][ T312] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.830204][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.830441][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.830746][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.831017][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.831329][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.831620][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.831990][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.832308][ T312] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.832636][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.832946][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.833282][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 40.833492][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.833707][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.833983][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.834191][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.834475][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 40.834729][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.835009][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.835320][ T312] ? cap_capable (security/commoncap.c:131) 
[ 40.835558][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.835823][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.836114][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.836383][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.836782][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.837180][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.837630][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.837972][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.838187][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.838423][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.838692][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.838899][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.839155][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.839448][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.839713][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.840052][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.840378][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.840745][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.841082][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.841292][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.841492][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.841771][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.842044][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.842356][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.842686][ T312] ? 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) 
[ 40.843033][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.843337][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.843625][ T312] ? 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) 
[ 40.843858][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.844094][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 40.844358][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.844679][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.845000][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.845261][  T312] RIP: 0033:0x7fdea17fea4a
[ 40.845535][ T312] 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
[   40.846407][  T312] RSP: 002b:00007fff1e8b0bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.846709][  T312] RAX: ffffffffffffffda RBX: 000000003f475b00 RCX: 00007fdea17fea4a
[   40.847014][  T312] RDX: 0000000000000034 RSI: 000000003f475b00 RDI: 0000000000000005
[   40.847408][  T312] RBP: 000000003f475910 R08: 00007fdea19a2200 R09: 000000000000000c
[   40.847759][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.848140][  T312] R13: 000000003f475910 R14: 0000000000000000 R15: 0000000000000001
| [   40.866922][  T312] ------------[ cut here ]------------
| [ 40.867168][ T312] WARNING: CPU: 1 PID: 312 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) 
| [   40.867715][  T312] Modules linked in: netdevsim
| [   40.868333][  T312] Tainted: [W]=WARN
[   40.868482][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.868808][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.869163][ T312] 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
[   40.869944][  T312] RSP: 0018:ffffc900006a71e8 EFLAGS: 00010246
[   40.870194][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.870485][  T312] RDX: 0000000000000000 RSI: ffff88800554ac98 RDI: ffff888009b2adc0
[   40.870779][  T312] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   40.871076][  T312] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   40.871384][  T312] R13: ffff88800554a128 R14: ffff88800554a008 R15: ffff88800554a000
[   40.871791][  T312] FS:  00007fdea15f2800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   40.872131][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.872413][  T312] CR2: 000055d518b37058 CR3: 000000000e07c004 CR4: 0000000000772ef0
[   40.872778][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.873097][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.873418][  T312] PKRU: 55555554
[   40.873629][  T312] Call Trace:
[   40.873773][  T312]  <TASK>
[ 40.873912][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.874110][ T312] ? __warn (kernel/panic.c:748) 
[ 40.874292][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.874533][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.874773][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.874955][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.875189][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.875421][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.875699][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.875897][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.876181][ T312] ? _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) 
[ 40.876419][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.876673][ T312] register_netdevice (net/core/dev.c:11003) 
[ 40.876906][ T312] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.877149][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.877402][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.877682][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.877939][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.878190][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.878448][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.878735][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.878976][ T312] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.879219][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.879409][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.879726][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 40.879927][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.880121][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.880367][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.880578][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.880831][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 40.881035][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.881310][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.881577][ T312] ? cap_capable (security/commoncap.c:131) 
[ 40.881785][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.881988][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.882186][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.882378][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.882660][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.882902][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.883215][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.883413][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.883702][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.883902][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.884117][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.884266][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.884556][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.884771][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.884918][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.885118][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.885312][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.885523][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.885798][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.886037][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.886250][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.886450][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.886691][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.886961][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.887148][ T312] ? 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) 
[ 40.887338][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.887558][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.887842][ T312] ? 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) 
[ 40.888037][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.888230][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 40.888418][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.888680][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.888874][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.889108][  T312] RIP: 0033:0x7fdea17fea4a
[ 40.889378][ T312] 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
[   40.890124][  T312] RSP: 002b:00007fff1e8b0bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.890411][  T312] RAX: ffffffffffffffda RBX: 000000003f475b00 RCX: 00007fdea17fea4a
[   40.890793][  T312] RDX: 0000000000000034 RSI: 000000003f475b00 RDI: 0000000000000005
[   40.891071][  T312] RBP: 000000003f475910 R08: 00007fdea19a2200 R09: 000000000000000c
[   40.891430][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.891801][  T312] R13: 000000003f475910 R14: 0000000000000000 R15: 0000000000000001
| [   40.911340][  T312] ------------[ cut here ]------------
| [ 40.911573][ T312] WARNING: CPU: 1 PID: 312 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) 
| [   40.912085][  T312] Modules linked in: netdevsim
| [   40.912682][  T312] Tainted: [W]=WARN
[   40.912833][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.913071][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.913329][ T312] 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
[   40.914005][  T312] RSP: 0018:ffffc900006a71e8 EFLAGS: 00010246
[   40.914247][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.914530][  T312] RDX: 0000000000000000 RSI: ffff88800562ac98 RDI: ffff888009b2adc0
[   40.914914][  T312] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   40.915200][  T312] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   40.915494][  T312] R13: ffff88800562a128 R14: ffff88800562a008 R15: ffff88800562a000
[   40.915811][  T312] FS:  00007fdea15f2800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   40.916176][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.916420][  T312] CR2: 000055d518b37058 CR3: 000000000e07c004 CR4: 0000000000772ef0
[   40.916717][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.917004][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.917298][  T312] PKRU: 55555554
[   40.917449][  T312] Call Trace:
[   40.917607][  T312]  <TASK>
[ 40.917710][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.917905][ T312] ? __warn (kernel/panic.c:748) 
[ 40.918056][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.918250][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.918457][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.918630][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.918825][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.919032][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.919231][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.919429][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.919690][ T312] ? _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) 
[ 40.919891][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.920122][ T312] register_netdevice (net/core/dev.c:11003) 
[ 40.920322][ T312] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.920525][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.920746][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.920998][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.921351][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.921640][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.921897][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.922142][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.922385][ T312] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.922647][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.922846][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.923100][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 40.923297][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.923493][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.923756][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.923962][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.924204][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 40.924417][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.924620][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.924878][ T312] ? cap_capable (security/commoncap.c:131) 
[ 40.925074][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.925280][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.925478][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.925681][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.925920][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.926160][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.926435][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.926647][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.926843][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.927249][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.927473][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.927638][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.927845][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.928162][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.928311][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.928513][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.928715][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.929032][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.929232][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.929423][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.929634][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.929952][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.930153][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.930356][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.930556][ T312] ? 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) 
[ 40.930880][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.931099][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.931306][ T312] ? 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) 
[ 40.931504][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.931826][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 40.932023][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.932268][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.932475][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.932732][  T312] RIP: 0033:0x7fdea17fea4a
[ 40.932938][ T312] 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
[   40.933739][  T312] RSP: 002b:00007fff1e8b0bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.934033][  T312] RAX: ffffffffffffffda RBX: 000000003f475b00 RCX: 00007fdea17fea4a
[   40.934437][  T312] RDX: 0000000000000034 RSI: 000000003f475b00 RDI: 0000000000000005
[   40.934732][  T312] RBP: 000000003f475910 R08: 00007fdea19a2200 R09: 000000000000000c
[   40.935017][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.935422][  T312] R13: 000000003f475910 R14: 0000000000000000 R15: 0000000000000001
| [   40.953262][  T312] ------------[ cut here ]------------
| [ 40.953975][ T312] WARNING: CPU: 2 PID: 312 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) 
| [   40.954657][  T312] Modules linked in: netdevsim
| [   40.955625][  T312] Tainted: [W]=WARN
[   40.955896][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.956314][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.956771][ T312] 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
[   40.957954][  T312] RSP: 0000:ffffc900006a71e8 EFLAGS: 00010246
[   40.958390][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.958897][  T312] RDX: 0000000000000000 RSI: ffff88800a12ac98 RDI: ffff888009b2adc0
[   40.959408][  T312] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   40.959923][  T312] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   40.960413][  T312] R13: ffff88800a12a128 R14: ffff88800a12a008 R15: ffff88800a12a000
[   40.960944][  T312] FS:  00007fdea15f2800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   40.961546][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.961960][  T312] CR2: 00007fab546a6fd0 CR3: 000000000e07c001 CR4: 0000000000772ef0
[   40.962428][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.962906][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.963400][  T312] PKRU: 55555554
[   40.963677][  T312] Call Trace:
[   40.963925][  T312]  <TASK>
[ 40.964121][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.964463][ T312] ? __warn (kernel/panic.c:748) 
[ 40.964742][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.965077][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.965409][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.965677][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.966015][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.966365][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.966708][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.967042][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.967457][ T312] ? _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) 
[ 40.967809][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.968167][ T312] register_netdevice (net/core/dev.c:11003) 
[ 40.968510][ T312] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.968880][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.969252][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.969719][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.970197][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.970693][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.971144][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.971607][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.974340][ T312] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.975203][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.975790][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.976236][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 40.976614][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.976961][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.977415][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.977786][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.978217][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 40.978574][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.978945][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.979393][ T312] ? cap_capable (security/commoncap.c:131) 
[ 40.979752][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.980122][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.980471][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.980844][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.981284][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.981702][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.982304][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.982671][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.983997][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.984344][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.984748][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.985005][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.985347][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.985741][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.986208][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.986552][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.987129][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.987501][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.987876][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.988220][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.988562][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.989170][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.989524][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.989904][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.990279][ T312] ? 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) 
[ 40.990644][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.990993][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.991349][ T312] ? 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) 
[ 40.991718][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.992068][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 40.992415][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.993069][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.993417][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.993849][  T312] RIP: 0033:0x7fdea17fea4a
[ 40.994425][ T312] Code: Unable to access opcode bytes at 0x7fdea17fea20.

Code starting with the faulting instruction
===========================================
[   40.994946][  T312] RSP: 002b:00007fff1e8b0bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.995442][  T312] RAX: ffffffffffffffda RBX: 000000003f475b00 RCX: 00007fdea17fea4a
[   40.995958][  T312] RDX: 0000000000000034 RSI: 000000003f475b00 RDI: 0000000000000005
[   40.996443][  T312] RBP: 000000003f475910 R08: 00007fdea19a2200 R09: 000000000000000c
[   40.997162][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.997671][  T312] R13: 000000003f475910 R14: 0000000000000000 R15: 0000000000000001
| [   43.869393][  T404] ------------[ cut here ]------------
| [ 43.869717][ T404] WARNING: CPU: 2 PID: 404 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) 
| [   43.870141][  T404] Modules linked in: netdevsim
| [   43.870735][  T404] Tainted: [W]=WARN
[   43.870916][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.871218][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.871479][ T404] 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
[   43.872186][  T404] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   43.872443][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.872771][  T404] RDX: 0000000000000000 RSI: ffff88800b632c98 RDI: ffff88800599adc0
[   43.873107][  T404] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   43.873406][  T404] R10: ffffffffa9bec1e7 R11: ffff88800599a300 R12: 0000000000000000
[   43.875184][  T404] R13: ffff88800b632128 R14: ffff88800b632008 R15: ffff88800b632000
[   43.875506][  T404] FS:  00007f8d65d3a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.875859][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.876118][  T404] CR2: 00007fab54963a00 CR3: 000000000b582004 CR4: 0000000000772ef0
[   43.876419][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.876740][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.877037][  T404] PKRU: 55555554
[   43.877194][  T404] Call Trace:
[   43.877354][  T404]  <TASK>
[ 43.877467][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.877683][ T404] ? __warn (kernel/panic.c:748) 
[ 43.877851][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.878095][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.878309][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.878475][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.878696][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.878916][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.879123][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.879336][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.879603][ T404] ? _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) 
[ 43.879818][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.880040][ T404] register_netdevice (net/core/dev.c:11003) 
[ 43.880260][ T404] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.880477][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.880725][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.880992][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.881281][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.881550][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.881829][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.882126][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.882389][ T404] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.882658][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.882868][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.883136][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 43.883352][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.883564][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.883840][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.884050][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.884308][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 43.884525][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.884765][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.885037][ T404] ? cap_capable (security/commoncap.c:131) 
[ 43.885249][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.885465][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.885685][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.885928][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.886194][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.886443][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.886725][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.886936][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.887143][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.887356][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.887580][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.887753][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.887969][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.888187][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.888347][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.888558][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.888790][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.889014][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.889234][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.889441][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.889662][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.889884][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.890100][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.890319][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.890527][ T404] ? 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) 
[ 43.890746][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.890992][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.891221][ T404] ? 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) 
[ 43.891469][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.891697][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 43.891904][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.892178][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.892386][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.892668][  T404] RIP: 0033:0x7f8d65f46a4a
[ 43.892892][ T404] 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
[   43.893567][  T404] RSP: 002b:00007ffe5361aa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.893885][  T404] RAX: ffffffffffffffda RBX: 0000000016769b00 RCX: 00007f8d65f46a4a
[   43.894188][  T404] RDX: 0000000000000034 RSI: 0000000016769b00 RDI: 0000000000000005
[   43.894488][  T404] RBP: 0000000016769910 R08: 00007f8d660ea200 R09: 000000000000000c
[   43.894802][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.895108][  T404] R13: 0000000016769910 R14: 0000000000000000 R15: 0000000000000001
| [   43.911134][  T404] ------------[ cut here ]------------
| [ 43.911527][ T404] WARNING: CPU: 2 PID: 404 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) 
| [   43.912234][  T404] Modules linked in: netdevsim
| [   43.913192][  T404] Tainted: [W]=WARN
[   43.913454][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.913909][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.914365][ T404] 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
[   43.915523][  T404] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   43.915976][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.916456][  T404] RDX: 0000000000000000 RSI: ffff88800ac6ac98 RDI: ffff88800599adc0
[   43.916842][  T404] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   43.917277][  T404] R10: ffffffffa9bec1e7 R11: ffff88800599a300 R12: 0000000000000000
[   43.917620][  T404] R13: ffff88800ac6a128 R14: ffff88800ac6a008 R15: ffff88800ac6a000
[   43.917959][  T404] FS:  00007f8d65d3a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.918366][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.918644][  T404] CR2: 00007fab54c4ce70 CR3: 000000000b582004 CR4: 0000000000772ef0
[   43.918969][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.919294][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.919630][  T404] PKRU: 55555554
[   43.919804][  T404] Call Trace:
[   43.919980][  T404]  <TASK>
[ 43.920095][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.920303][ T404] ? __warn (kernel/panic.c:748) 
[ 43.920465][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.920682][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.920917][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.921110][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.921321][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.921539][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.921760][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.922028][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.922297][ T404] ? _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) 
[ 43.922518][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.922738][ T404] register_netdevice (net/core/dev.c:11003) 
[ 43.922966][ T404] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.923186][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.923411][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.923681][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.923972][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.924239][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.924505][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.924775][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.925050][ T404] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.925308][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.925517][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.925796][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 43.926019][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.926235][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.926498][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.926726][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.927017][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 43.927239][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.927463][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.927760][ T404] ? cap_capable (security/commoncap.c:131) 
[ 43.928007][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.928243][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.928474][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.928715][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.929007][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.929278][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.929566][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.929805][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.930037][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.930265][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.930514][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.930699][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.930937][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.931191][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.931366][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.931608][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.931852][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.932148][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.932366][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.932580][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.932805][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.933042][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.933251][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.933477][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.933701][ T404] ? 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) 
[ 43.933940][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.934160][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.934378][ T404] ? 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) 
[ 43.934604][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.934820][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 43.935048][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.935300][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.935524][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.935792][  T404] RIP: 0033:0x7f8d65f46a4a
[ 43.936065][ T404] Code: Unable to access opcode bytes at 0x7f8d65f46a20.

Code starting with the faulting instruction
===========================================
[   43.936337][  T404] RSP: 002b:00007ffe5361aa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.936664][  T404] RAX: ffffffffffffffda RBX: 0000000016769b00 RCX: 00007f8d65f46a4a
[   43.936988][  T404] RDX: 0000000000000034 RSI: 0000000016769b00 RDI: 0000000000000005
[   43.937300][  T404] RBP: 0000000016769910 R08: 00007f8d660ea200 R09: 000000000000000c
[   43.937605][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.937922][  T404] R13: 0000000016769910 R14: 0000000000000000 R15: 0000000000000001
| [   43.952461][  T404] ------------[ cut here ]------------
| [ 43.952775][ T404] WARNING: CPU: 2 PID: 404 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) 
| [   43.953217][  T404] Modules linked in: netdevsim
| [   43.953817][  T404] Tainted: [W]=WARN
[   43.954010][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.954280][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.954550][ T404] 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
[   43.955305][  T404] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   43.955561][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.955894][  T404] RDX: 0000000000000000 RSI: ffff888008852c98 RDI: ffff88800599adc0
[   43.956199][  T404] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   43.956495][  T404] R10: ffffffffa9bec1e7 R11: ffff88800599a300 R12: 0000000000000000
[   43.956804][  T404] R13: ffff888008852128 R14: ffff888008852008 R15: ffff888008852000
[   43.957117][  T404] FS:  00007f8d65d3a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.957463][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.957728][  T404] CR2: 00007fab547907d0 CR3: 000000000b582004 CR4: 0000000000772ef0
[   43.958039][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.958337][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.958649][  T404] PKRU: 55555554
[   43.958808][  T404] Call Trace:
[   43.958974][  T404]  <TASK>
[ 43.959090][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.959299][ T404] ? __warn (kernel/panic.c:748) 
[ 43.959464][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.959685][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.959929][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.960137][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.960344][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.960564][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.960779][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.961004][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.961279][ T404] ? _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) 
[ 43.961493][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.961720][ T404] register_netdevice (net/core/dev.c:11003) 
[ 43.961948][ T404] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.962170][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.962394][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.962707][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.963017][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.963309][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.963582][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.963872][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.964142][ T404] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.964407][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.964644][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.964942][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 43.965162][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.965382][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.965668][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.965931][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.966194][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 43.966418][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.966642][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.966925][ T404] ? cap_capable (security/commoncap.c:131) 
[ 43.967138][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.967359][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.967571][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.967790][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.968185][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.968571][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.969017][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.969370][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.969733][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.970097][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.970472][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.970760][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.971121][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.971497][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.971797][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.972159][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.972509][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.972888][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.973256][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.973611][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.973971][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.974340][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.974710][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.975068][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.975398][ T404] ? 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) 
[ 43.975676][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.975912][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.976130][ T404] ? 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) 
[ 43.976342][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.976550][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 43.976771][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.977046][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.977272][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.977525][  T404] RIP: 0033:0x7f8d65f46a4a
[ 43.977751][ T404] Code: Unable to access opcode bytes at 0x7f8d65f46a20.

Code starting with the faulting instruction
===========================================
[   43.978029][  T404] RSP: 002b:00007ffe5361aa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.978350][  T404] RAX: ffffffffffffffda RBX: 0000000016769b00 RCX: 00007f8d65f46a4a
[   43.978670][  T404] RDX: 0000000000000034 RSI: 0000000016769b00 RDI: 0000000000000005
[   43.978978][  T404] RBP: 0000000016769910 R08: 00007f8d660ea200 R09: 000000000000000c
[   43.979288][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.979605][  T404] R13: 0000000016769910 R14: 0000000000000000 R15: 0000000000000001
| [   44.014736][  T404] ------------[ cut here ]------------
| [ 44.015002][ T404] WARNING: CPU: 2 PID: 404 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) 
| [   44.015416][  T404] Modules linked in: netdevsim
| [   44.016007][  T404] Tainted: [W]=WARN
[   44.016172][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.016431][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.016703][ T404] 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
[   44.017391][  T404] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   44.017676][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.017977][  T404] RDX: 0000000000000000 RSI: ffff8880090f2c98 RDI: ffff88800599adc0
[   44.018280][  T404] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   44.018581][  T404] R10: ffffffffa9bec1e7 R11: ffff88800599a300 R12: 0000000000000000
[   44.018890][  T404] R13: ffff8880090f2128 R14: ffff8880090f2008 R15: ffff8880090f2000
[   44.019193][  T404] FS:  00007f8d65d3a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   44.019551][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.019829][  T404] CR2: 00007f8d65f46a20 CR3: 000000000b582004 CR4: 0000000000772ef0
[   44.020138][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.020441][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.020822][  T404] PKRU: 55555554
[   44.020993][  T404] Call Trace:
[   44.021176][  T404]  <TASK>
[ 44.021291][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.021504][ T404] ? __warn (kernel/panic.c:748) 
[ 44.021686][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.021908][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.022133][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.022302][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.022517][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.022757][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.022976][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.023196][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.023470][ T404] ? _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) 
[ 44.023695][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.023909][ T404] register_netdevice (net/core/dev.c:11003) 
[ 44.024136][ T404] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.024361][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.024595][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.024874][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.025146][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.025416][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.025708][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.025980][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.026237][ T404] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.026508][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 44.026723][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 44.027011][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 44.027236][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.027461][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.027753][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.027970][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.028241][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 44.028471][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.028703][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.028971][ T404] ? cap_capable (security/commoncap.c:131) 
[ 44.029185][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.029410][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.029628][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.029841][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.030098][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.030355][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.030642][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.030855][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.031081][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.031300][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.031530][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.031702][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.031919][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.032146][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.032312][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.032563][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.032798][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.033049][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.033269][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.033488][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.033712][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.033934][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.034157][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.034373][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.034598][ T404] ? 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) 
[ 44.034809][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.035020][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.035238][ T404] ? 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) 
[ 44.035448][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 44.035668][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 44.035876][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.036139][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.036355][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.036617][  T404] RIP: 0033:0x7f8d65f46a4a
[ 44.036844][ T404] Code: Unable to access opcode bytes at 0x7f8d65f46a20.

Code starting with the faulting instruction
===========================================
[   44.037137][  T404] RSP: 002b:00007ffe5361aa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.037453][  T404] RAX: ffffffffffffffda RBX: 0000000016769b00 RCX: 00007f8d65f46a4a
[   44.037966][  T404] RDX: 0000000000000034 RSI: 0000000016769b00 RDI: 0000000000000005
[   44.038453][  T404] RBP: 0000000016769910 R08: 00007f8d660ea200 R09: 000000000000000c
[   44.038954][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.039400][  T404] R13: 0000000016769910 R14: 0000000000000000 R15: 0000000000000001
| [   44.416406][  T417] ------------[ cut here ]------------
| [ 44.416701][ T417] WARNING: CPU: 3 PID: 417 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) 
| [   44.417105][  T417] Modules linked in: netdevsim
| [   44.417685][  T417] Tainted: [W]=WARN
[   44.417836][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.418090][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.418349][ T417] 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
[   44.419032][  T417] RSP: 0018:ffffc90000b671e8 EFLAGS: 00010246
[   44.419294][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.419606][  T417] RDX: 0000000000000000 RSI: ffff88800e0c2c98 RDI: ffff888009b2adc0
[   44.419916][  T417] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   44.420232][  T417] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   44.420536][  T417] R13: ffff88800e0c2128 R14: ffff88800e0c2008 R15: ffff88800e0c2000
[   44.420847][  T417] FS:  00007f8120b66800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.421216][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.421475][  T417] CR2: 00007fab546c2320 CR3: 000000000a3d0006 CR4: 0000000000772ef0
[   44.421794][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.422096][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.422387][  T417] PKRU: 55555554
[   44.422534][  T417] Call Trace:
[   44.422695][  T417]  <TASK>
[ 44.422809][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.423010][ T417] ? __warn (kernel/panic.c:748) 
[ 44.423179][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.423382][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.423608][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.423771][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.423978][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.424201][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.424425][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.424663][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.424934][ T417] ? _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) 
[ 44.425139][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.425356][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.425605][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.425822][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.426038][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.426308][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.426581][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.426864][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.427137][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.427388][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.427645][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.427906][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.428184][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.428387][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.428610][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.428874][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.429090][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.429381][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.429585][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.429810][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.430065][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.430259][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.430491][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.430705][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.430900][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.431163][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.431420][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.431697][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.431892][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.432096][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.432298][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.432507][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.432673][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.432871][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.433075][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.433222][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.433418][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.433630][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.433837][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.434035][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.434228][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.434426][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.434643][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.434849][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.435064][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.435257][ T417] ? 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) 
[ 44.435452][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.435665][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.435864][ T417] ? 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) 
[ 44.436068][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 44.436264][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.436456][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.436703][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.436896][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.437143][  T417] RIP: 0033:0x7f8120d72a4a
[ 44.437342][ T417] 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
[   44.438019][  T417] RSP: 002b:00007fff2f12a118 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.438313][  T417] RAX: ffffffffffffffda RBX: 000000000c74eb00 RCX: 00007f8120d72a4a
[   44.438611][  T417] RDX: 0000000000000034 RSI: 000000000c74eb00 RDI: 0000000000000005
[   44.438896][  T417] RBP: 000000000c74e910 R08: 00007f8120f16200 R09: 000000000000000c
[   44.439181][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.439463][  T417] R13: 000000000c74e910 R14: 0000000000000000 R15: 0000000000000001
| [   44.460219][  T417] ------------[ cut here ]------------
| [ 44.460456][ T417] WARNING: CPU: 3 PID: 417 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) 
| [   44.460853][  T417] Modules linked in: netdevsim
| [   44.461439][  T417] Tainted: [W]=WARN
[   44.461609][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.461864][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.462114][ T417] 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
[   44.462826][  T417] RSP: 0000:ffffc90000b671e8 EFLAGS: 00010246
[   44.463076][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.463387][  T417] RDX: 0000000000000000 RSI: ffff88800d77ac98 RDI: ffff888009b2adc0
[   44.463683][  T417] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   44.463970][  T417] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   44.464267][  T417] R13: ffff88800d77a128 R14: ffff88800d77a008 R15: ffff88800d77a000
[   44.464576][  T417] FS:  00007f8120b66800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.464948][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.465210][  T417] CR2: 00007fa24ee46155 CR3: 000000000a3d0006 CR4: 0000000000772ef0
[   44.465516][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.465819][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.466116][  T417] PKRU: 55555554
[   44.466262][  T417] Call Trace:
[   44.466418][  T417]  <TASK>
[ 44.466524][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.466736][ T417] ? __warn (kernel/panic.c:748) 
[ 44.466898][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.467097][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.467318][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.467479][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.467683][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.467893][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.468099][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.468300][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.468545][ T417] ? _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) 
[ 44.468750][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.468950][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.469157][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.469360][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.469577][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.469840][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.470099][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.470352][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.470614][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.470862][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.471116][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.471359][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.471651][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.471855][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.472061][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.472305][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.472503][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.472765][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.472970][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.473165][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.473424][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.473631][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.473833][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.474031][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.474226][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.474460][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.474704][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.474961][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.475157][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.475349][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.475548][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.475763][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.475911][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.476115][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.476321][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.476479][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.476685][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.476884][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.477088][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.477288][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.477480][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.477684][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.477896][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.478101][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.478304][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.478502][ T417] ? 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) 
[ 44.478714][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.478913][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.479112][ T417] ? 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) 
[ 44.479315][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 44.479519][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.479720][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.479962][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.480179][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.480451][  T417] RIP: 0033:0x7f8120d72a4a
[ 44.480671][ T417] Code: Unable to access opcode bytes at 0x7f8120d72a20.

Code starting with the faulting instruction
===========================================
[   44.480922][  T417] RSP: 002b:00007fff2f12a118 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.481235][  T417] RAX: ffffffffffffffda RBX: 000000000c74eb00 RCX: 00007f8120d72a4a
[   44.481524][  T417] RDX: 0000000000000034 RSI: 000000000c74eb00 RDI: 0000000000000005
[   44.481821][  T417] RBP: 000000000c74e910 R08: 00007f8120f16200 R09: 000000000000000c
[   44.482110][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.482403][  T417] R13: 000000000c74e910 R14: 0000000000000000 R15: 0000000000000001
| [   44.496058][  T417] ------------[ cut here ]------------
| [ 44.496293][ T417] WARNING: CPU: 3 PID: 417 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) 
| [   44.496716][  T417] Modules linked in: netdevsim
| [   44.497259][  T417] Tainted: [W]=WARN
[   44.497405][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.497656][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.497903][ T417] 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
[   44.498570][  T417] RSP: 0000:ffffc90000b671e8 EFLAGS: 00010246
[   44.498826][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.499113][  T417] RDX: 0000000000000000 RSI: ffff88800ba2ac98 RDI: ffff888009b2adc0
[   44.499399][  T417] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   44.499690][  T417] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   44.499982][  T417] R13: ffff88800ba2a128 R14: ffff88800ba2a008 R15: ffff88800ba2a000
[   44.500275][  T417] FS:  00007f8120b66800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.500612][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.500858][  T417] CR2: 00007f8120d72a20 CR3: 000000000a3d0006 CR4: 0000000000772ef0
[   44.501163][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.501453][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.501750][  T417] PKRU: 55555554
[   44.501898][  T417] Call Trace:
[   44.502041][  T417]  <TASK>
[ 44.502141][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.502333][ T417] ? __warn (kernel/panic.c:748) 
[ 44.502485][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.502691][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.502893][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.503045][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.503242][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.503446][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.503650][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.503861][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.504116][ T417] ? _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) 
[ 44.504321][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.504518][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.504736][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.504943][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.505150][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.505406][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.505763][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.506017][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.506270][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.506521][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.506767][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.507022][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.507289][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.507489][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.507706][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.507982][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.508183][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.508431][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.508647][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.508847][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.509097][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.509288][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.509493][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.509695][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.509887][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.510125][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.510405][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.510663][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.510856][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.511049][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.511257][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.511473][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.511630][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.511839][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.512048][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.512194][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.512396][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.512599][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.512806][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.513009][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.513215][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.513410][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.513634][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.513833][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.514035][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.514225][ T417] ? 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) 
[ 44.514419][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.514622][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.514823][ T417] ? 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) 
[ 44.515019][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 44.515215][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.515406][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.515655][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.515853][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.516104][  T417] RIP: 0033:0x7f8120d72a4a
[ 44.516312][ T417] Code: Unable to access opcode bytes at 0x7f8120d72a20.

Code starting with the faulting instruction
===========================================
[   44.516556][  T417] RSP: 002b:00007fff2f12a118 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.516855][  T417] RAX: ffffffffffffffda RBX: 000000000c74eb00 RCX: 00007f8120d72a4a
[   44.517140][  T417] RDX: 0000000000000034 RSI: 000000000c74eb00 RDI: 0000000000000005
[   44.517428][  T417] RBP: 000000000c74e910 R08: 00007f8120f16200 R09: 000000000000000c
[   44.517723][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.518020][  T417] R13: 000000000c74e910 R14: 0000000000000000 R15: 0000000000000001
| [   44.528695][  T417] ------------[ cut here ]------------
| [ 44.528925][ T417] WARNING: CPU: 3 PID: 417 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) 
| [   44.529315][  T417] Modules linked in: netdevsim
| [   44.530669][  T417] Tainted: [W]=WARN
[   44.530822][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.531084][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.531337][ T417] 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
[   44.532104][  T417] RSP: 0000:ffffc90000b671e8 EFLAGS: 00010246
[   44.532354][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.532727][  T417] RDX: 0000000000000000 RSI: ffff88800ba1ac98 RDI: ffff888009b2adc0
[   44.533013][  T417] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   44.533309][  T417] R10: ffffffffa9bec1e7 R11: ffff888009b2a300 R12: 0000000000000000
[   44.533681][  T417] R13: ffff88800ba1a128 R14: ffff88800ba1a008 R15: ffff88800ba1a000
[   44.533969][  T417] FS:  00007f8120b66800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.534301][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.534543][  T417] CR2: 00007f8120d72a20 CR3: 000000000a3d0006 CR4: 0000000000772ef0
[   44.534917][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.535198][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.535507][  T417] PKRU: 55555554
[   44.535745][  T417] Call Trace:
[   44.535894][  T417]  <TASK>
[ 44.536001][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.536205][ T417] ? __warn (kernel/panic.c:748) 
[ 44.536357][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.536554][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.536845][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.536991][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.537188][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.537399][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.537683][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.537889][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.538131][ T417] ? _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) 
[ 44.538330][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.538527][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.538813][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.539021][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.539240][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.539492][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.539837][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.540099][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.540375][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.540733][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.540978][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.541234][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.541489][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.541774][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.541969][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.542223][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.542419][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.542744][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.542952][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.543150][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.543404][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.543684][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.543893][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.544098][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.544291][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.544528][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.544859][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.545122][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.545321][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.545514][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.545799][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.546015][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.546163][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.546360][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.546564][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.546795][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.546998][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.547194][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.547400][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.547682][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.547873][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.548075][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.548276][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.548474][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.548767][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.549089][ T417] ? 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) 
[ 44.549397][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.549918][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.550120][ T417] ? 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) 
[ 44.550429][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 44.550705][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.551022][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.551269][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.551466][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.551790][  T417] RIP: 0033:0x7f8120d72a4a
[ 44.552003][ T417] Code: Unable to access opcode bytes at 0x7f8120d72a20.

Code starting with the faulting instruction
===========================================
[   44.552250][  T417] RSP: 002b:00007fff2f12a118 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.552558][  T417] RAX: ffffffffffffffda RBX: 000000000c74eb00 RCX: 00007f8120d72a4a
[   44.552931][  T417] RDX: 0000000000000034 RSI: 000000000c74eb00 RDI: 0000000000000005
[   44.553221][  T417] RBP: 000000000c74e910 R08: 00007f8120f16200 R09: 000000000000000c
[   44.553715][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.554132][  T417] R13: 000000000c74e910 R14: 0000000000000000 R15: 0000000000000001
| [   44.965613][  T430] ------------[ cut here ]------------
| [ 44.965903][ T430] WARNING: CPU: 2 PID: 430 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) 
| [   44.966343][  T430] Modules linked in: netdevsim
| [   44.966969][  T430] Tainted: [W]=WARN
[   44.967162][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.967439][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.967731][ T430] 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
[   44.968495][  T430] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   44.968788][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.969117][  T430] RDX: 0000000000000000 RSI: ffff88800e0d2c98 RDI: ffff88800599d080
[   44.969458][  T430] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   44.969794][  T430] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   44.970111][  T430] R13: ffff88800e0d2128 R14: ffff88800e0d2008 R15: ffff88800e0d2000
[   44.970433][  T430] FS:  00007f99e4f08800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   44.970810][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.971102][  T430] CR2: 000055d518b3e0d0 CR3: 0000000009f1e003 CR4: 0000000000772ef0
[   44.971446][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.971792][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.972125][  T430] PKRU: 55555554
[   44.972296][  T430] Call Trace:
[   44.972477][  T430]  <TASK>
[ 44.972612][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.972839][ T430] ? __warn (kernel/panic.c:748) 
[ 44.973011][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.973276][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.973510][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.973699][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.973936][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.974178][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.974406][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.974641][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.974917][ T430] ? _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) 
[ 44.975142][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.975369][ T430] register_netdevice (net/core/dev.c:11003) 
[ 44.975616][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.975857][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.976097][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.976393][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.976700][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.976988][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.977319][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.977621][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.977901][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.978205][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 44.978440][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 44.978739][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 44.978970][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.979196][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.979477][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.979715][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.979990][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 44.980230][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.980456][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.980778][ T430] ? cap_capable (security/commoncap.c:131) 
[ 44.981011][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.981259][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.981478][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.981702][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.981968][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.982257][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.982532][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.982763][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.982971][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.983188][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.983412][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.983577][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.983814][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.984033][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.984194][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.984406][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.984624][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.984843][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.985062][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.985270][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.985481][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.985706][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.985922][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.986172][ T430] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.986384][ T430] ? 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) 
[ 44.986608][ T430] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.986819][ T430] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.987028][ T430] ? 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) 
[ 44.987239][ T430] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 44.987454][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 44.987672][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.987924][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.988131][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.988382][  T430] RIP: 0033:0x7f99e5114a4a
[ 44.988608][ T430] 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
[   44.989279][  T430] RSP: 002b:00007ffcd4a08368 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.989581][  T430] RAX: ffffffffffffffda RBX: 0000000009011b00 RCX: 00007f99e5114a4a
[   44.989890][  T430] RDX: 0000000000000034 RSI: 0000000009011b00 RDI: 0000000000000005
[   44.990226][  T430] RBP: 0000000009011910 R08: 00007f99e52b8200 R09: 000000000000000c
[   44.990523][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.990857][  T430] R13: 0000000009011910 R14: 0000000000000000 R15: 0000000000000001
| [   45.013745][  T430] ------------[ cut here ]------------
| [ 45.014040][ T430] WARNING: CPU: 3 PID: 430 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) 
| [   45.014458][  T430] Modules linked in: netdevsim
| [   45.015100][  T430] Tainted: [W]=WARN
[   45.015543][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.015922][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.016218][ T430] 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
[   45.016988][  T430] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   45.017243][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.017529][  T430] RDX: 0000000000000000 RSI: ffff88800b612c98 RDI: ffff88800599d080
[   45.017880][  T430] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   45.018170][  T430] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   45.018450][  T430] R13: ffff88800b612128 R14: ffff88800b612008 R15: ffff88800b612000
[   45.018746][  T430] FS:  00007f99e4f08800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   45.019106][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.019345][  T430] CR2: 000055d518b0f100 CR3: 0000000009f1e004 CR4: 0000000000772ef0
[   45.019667][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.019966][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.020278][  T430] PKRU: 55555554
[   45.020434][  T430] Call Trace:
[   45.020600][  T430]  <TASK>
[ 45.020710][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.020925][ T430] ? __warn (kernel/panic.c:748) 
[ 45.021115][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.021327][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.021544][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.021715][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.021930][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.022192][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.022405][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.022629][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.022891][ T430] ? _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) 
[ 45.023102][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.023313][ T430] register_netdevice (net/core/dev.c:11003) 
[ 45.023533][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.023760][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.023986][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.024276][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.024551][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.024832][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.025122][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.025395][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.025666][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.025930][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 45.026150][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 45.026421][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 45.026654][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.026864][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 45.027142][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.027355][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.027624][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 45.027844][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.028105][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.028391][ T430] ? cap_capable (security/commoncap.c:131) 
[ 45.028613][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.028829][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.029054][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.029264][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.029518][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.029793][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.030074][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.030283][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.030490][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.030711][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.030933][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.031117][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.031340][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.031555][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.031721][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.031937][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.032156][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.032371][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.032583][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.032798][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.033025][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.033242][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.033453][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.033683][ T430] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 45.033887][ T430] ? 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) 
[ 45.034108][ T430] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.034323][ T430] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 45.034542][ T430] ? 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) 
[ 45.034761][ T430] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 45.034972][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 45.035211][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.035453][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.035659][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.035898][  T430] RIP: 0033:0x7f99e5114a4a
[ 45.036123][ T430] 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
[   45.036799][  T430] RSP: 002b:00007ffcd4a08368 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.037102][  T430] RAX: ffffffffffffffda RBX: 0000000009011b00 RCX: 00007f99e5114a4a
[   45.037391][  T430] RDX: 0000000000000034 RSI: 0000000009011b00 RDI: 0000000000000005
[   45.037689][  T430] RBP: 0000000009011910 R08: 00007f99e52b8200 R09: 000000000000000c
[   45.037972][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.038264][  T430] R13: 0000000009011910 R14: 0000000000000000 R15: 0000000000000001
| [   45.051548][  T430] ------------[ cut here ]------------
| [ 45.051838][ T430] WARNING: CPU: 3 PID: 430 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) 
| [   45.052282][  T430] Modules linked in: netdevsim
| [   45.052888][  T430] Tainted: [W]=WARN
[   45.053053][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.053324][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.053608][ T430] 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
[   45.054328][  T430] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   45.054601][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.054909][  T430] RDX: 0000000000000000 RSI: ffff888008de2c98 RDI: ffff88800599d080
[   45.055219][  T430] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   45.055622][  T430] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   45.056047][  T430] R13: ffff888008de2128 R14: ffff888008de2008 R15: ffff888008de2000
[   45.056354][  T430] FS:  00007f99e4f08800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   45.056732][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.056999][  T430] CR2: 000055d518b0f100 CR3: 0000000009f1e004 CR4: 0000000000772ef0
[   45.057317][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.057636][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.057941][  T430] PKRU: 55555554
[   45.058098][  T430] Call Trace:
[   45.058262][  T430]  <TASK>
[ 45.058372][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.058584][ T430] ? __warn (kernel/panic.c:748) 
[ 45.058760][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.058973][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.059189][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.059348][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.059557][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.059803][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.060014][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.060229][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.060497][ T430] ? _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) 
[ 45.060725][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.060938][ T430] register_netdevice (net/core/dev.c:11003) 
[ 45.061184][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.061406][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.061643][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.061917][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.062195][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.062489][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.062780][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.063056][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.063316][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.063580][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 45.063800][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 45.064073][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 45.064293][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.064520][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 45.064802][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.065015][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.065308][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 45.065532][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.065770][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.066054][ T430] ? cap_capable (security/commoncap.c:131) 
[ 45.066260][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.066474][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.066713][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.066925][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.067180][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.067442][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.067740][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.067950][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.068153][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.068363][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.068611][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.068775][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.069027][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.069289][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.069451][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.069681][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.069892][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.070125][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.070340][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.070549][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.070779][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.071012][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.071239][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.071455][ T430] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 45.071674][ T430] ? 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) 
[ 45.071886][ T430] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.072097][ T430] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 45.072309][ T430] ? 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) 
[ 45.072555][ T430] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 45.072779][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 45.072989][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.073269][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.073487][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.073757][  T430] RIP: 0033:0x7f99e5114a4a
[ 45.073977][ T430] 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
[   45.074717][  T430] RSP: 002b:00007ffcd4a08368 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.075038][  T430] RAX: ffffffffffffffda RBX: 0000000009011b00 RCX: 00007f99e5114a4a
[   45.075362][  T430] RDX: 0000000000000034 RSI: 0000000009011b00 RDI: 0000000000000005
[   45.075693][  T430] RBP: 0000000009011910 R08: 00007f99e52b8200 R09: 000000000000000c
[   45.075997][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.076301][  T430] R13: 0000000009011910 R14: 0000000000000000 R15: 0000000000000001
| [   45.093733][  T430] ------------[ cut here ]------------
| [ 45.093982][ T430] WARNING: CPU: 3 PID: 430 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) 
| [   45.094384][  T430] Modules linked in: netdevsim
| [   45.094967][  T430] Tainted: [W]=WARN
[   45.095135][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.095375][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.095635][ T430] 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
[   45.096329][  T430] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   45.096575][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.096884][  T430] RDX: 0000000000000000 RSI: ffff88800ac62c98 RDI: ffff88800599d080
[   45.097178][  T430] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   45.097465][  T430] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   45.097757][  T430] R13: ffff88800ac62128 R14: ffff88800ac62008 R15: ffff88800ac62000
[   45.098057][  T430] FS:  00007f99e4f08800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   45.098391][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.098657][  T430] CR2: 000055d518b0f100 CR3: 0000000009f1e004 CR4: 0000000000772ef0
[   45.098946][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.099242][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.099539][  T430] PKRU: 55555554
[   45.099697][  T430] Call Trace:
[   45.099847][  T430]  <TASK>
[ 45.099946][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.100155][ T430] ? __warn (kernel/panic.c:748) 
[ 45.100307][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.100502][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.100723][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.100872][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.101123][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.101344][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.101547][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.101764][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.102024][ T430] ? _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) 
[ 45.102225][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.102428][ T430] register_netdevice (net/core/dev.c:11003) 
[ 45.102643][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.102857][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.103080][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.103330][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.103611][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.103880][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.104161][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.104423][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.104697][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.104965][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 45.105178][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 45.105459][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 45.105691][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.105906][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 45.106185][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.106399][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.106671][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 45.106893][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.107123][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.107401][ T430] ? cap_capable (security/commoncap.c:131) 
[ 45.107622][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.107842][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.108070][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.108282][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.108544][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.108814][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.109142][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.109363][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.109573][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.109805][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.110041][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.110204][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.110418][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.110657][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.110818][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.111040][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.111270][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.111489][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.111714][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.111918][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.112140][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.112349][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.112564][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.112781][ T430] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 45.112980][ T430] ? 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) 
[ 45.113199][ T430] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.113401][ T430] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 45.113626][ T430] ? 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) 
[ 45.113844][ T430] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 45.114063][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 45.114275][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.114539][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.114747][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.114990][  T430] RIP: 0033:0x7f99e5114a4a
[ 45.115216][ T430] 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
[   45.115931][  T430] RSP: 002b:00007ffcd4a08368 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.116247][  T430] RAX: ffffffffffffffda RBX: 0000000009011b00 RCX: 00007f99e5114a4a
[   45.116529][  T430] RDX: 0000000000000034 RSI: 0000000009011b00 RDI: 0000000000000005
[   45.116829][  T430] RBP: 0000000009011910 R08: 00007f99e52b8200 R09: 000000000000000c
[   45.117180][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.117467][  T430] R13: 0000000009011910 R14: 0000000000000000 R15: 0000000000000001
| [   45.795017][  T454] ------------[ cut here ]------------
| [ 45.795270][ T454] WARNING: CPU: 0 PID: 454 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) 
| [   45.795691][  T454] Modules linked in: netdevsim
| [   45.796245][  T454] Tainted: [W]=WARN
[   45.796396][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.796665][ T454] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.796928][ T454] 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
[   45.797637][  T454] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   45.797886][  T454] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.798183][  T454] RDX: 0000000000000000 RSI: ffff88800ba1ac98 RDI: ffff88800ae98b00
[   45.798482][  T454] RBP: ffff88800b408040 R08: 0000000000000000 R09: fffffbfff537d83c
[   45.798778][  T454] R10: ffffffffa9bec1e7 R11: ffff88800ae98040 R12: 0000000000000000
[   45.799061][  T454] R13: ffff88800ba1a128 R14: ffff88800ba1a008 R15: ffff88800ba1a000
[   45.799343][  T454] FS:  00007f6e38470800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.799701][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.799944][  T454] CR2: 00007fab54963a00 CR3: 000000000d794002 CR4: 0000000000772ef0
[   45.800232][  T454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.800518][  T454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.800826][  T454] PKRU: 55555554
[   45.800973][  T454] Call Trace:
[   45.801131][  T454]  <TASK>
[ 45.801233][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.801426][ T454] ? __warn (kernel/panic.c:748) 
[ 45.801583][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.801789][ T454] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.801993][ T454] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.802144][ T454] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.802339][ T454] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.802549][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.802748][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.802943][ T454] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.803189][ T454] ? _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) 
[ 45.803387][ T454] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.803594][ T454] register_netdevice (net/core/dev.c:11003) 
[ 45.803793][ T454] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.803999][ T454] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.804208][ T454] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.804454][ T454] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.804730][ T454] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.805025][ T454] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.805274][ T454] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.805521][ T454] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.805772][ T454] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.806025][ T454] devlink_reload (net/devlink/dev.c:474) 
[ 45.806228][ T454] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.806424][ T454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.806636][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.806835][ T454] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.806990][ T454] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.807184][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.807428][ T454] ? __nla_parse (lib/nlattr.c:732) 
[ 45.807644][ T454] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.807845][ T454] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.808099][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.808295][ T454] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.808495][ T454] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.808705][ T454] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.808899][ T454] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.809144][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.809382][ T454] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.809642][ T454] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.809840][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.810037][ T454] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.810232][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.810439][ T454] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.810599][ T454] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.810798][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.810998][ T454] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.811171][ T454] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.811369][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.811572][ T454] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.811792][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.811999][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.812192][ T454] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.812388][ T454] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.812603][ T454] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.812810][ T454] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.813006][ T454] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.813199][ T454] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.813411][ T454] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.813617][ T454] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.813861][ T454] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.814108][ T454] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.814315][ T454] __x64_sys_sendto (net/socket.c:2181) 
[ 45.814510][ T454] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.814757][ T454] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.814959][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.815198][  T454] RIP: 0033:0x7f6e3867ca4a
[ 45.815398][ T454] 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
[   45.816082][  T454] RSP: 002b:00007ffedff648c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.816373][  T454] RAX: ffffffffffffffda RBX: 0000000003a40b00 RCX: 00007f6e3867ca4a
[   45.816662][  T454] RDX: 000000000000003c RSI: 0000000003a40b00 RDI: 0000000000000005
[   45.816945][  T454] RBP: 0000000003a40910 R08: 00007f6e38820200 R09: 000000000000000c
[   45.817232][  T454] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.817514][  T454] R13: 0000000003a40910 R14: 0000000000000000 R15: 0000000000000001
| [   45.828111][  T454] ------------[ cut here ]------------
| [ 45.828338][ T454] WARNING: CPU: 0 PID: 454 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) 
| [   45.829495][  T454] Modules linked in: netdevsim
| [   45.830130][  T454] Tainted: [W]=WARN
[   45.830276][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.830518][ T454] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.830857][ T454] 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
[   45.831581][  T454] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   45.831912][  T454] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.832196][  T454] RDX: 0000000000000000 RSI: ffff88800ba2ac98 RDI: ffff88800ae98b00
[   45.832479][  T454] RBP: ffff88800b408040 R08: 0000000000000000 R09: fffffbfff537d83c
[   45.832898][  T454] R10: ffffffffa9bec1e7 R11: ffff88800ae98040 R12: 0000000000000000
[   45.833188][  T454] R13: ffff88800ba2a128 R14: ffff88800ba2a008 R15: ffff88800ba2a000
[   45.833518][  T454] FS:  00007f6e38470800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.833942][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.834189][  T454] CR2: 00007fab54963a00 CR3: 000000000d794002 CR4: 0000000000772ef0
[   45.834480][  T454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.834853][  T454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.835162][  T454] PKRU: 55555554
[   45.835308][  T454] Call Trace:
[   45.835461][  T454]  <TASK>
[ 45.835564][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.835852][ T454] ? __warn (kernel/panic.c:748) 
[ 45.836007][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.836199][ T454] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.836399][ T454] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.836548][ T454] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.836826][ T454] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.837040][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.837235][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.837432][ T454] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.837766][ T454] ? _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) 
[ 45.837964][ T454] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.838164][ T454] register_netdevice (net/core/dev.c:11003) 
[ 45.838357][ T454] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.838560][ T454] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.838850][ T454] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.839101][ T454] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.839358][ T454] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.839708][ T454] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.839960][ T454] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.840205][ T454] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.840440][ T454] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.840777][ T454] devlink_reload (net/devlink/dev.c:474) 
[ 45.840983][ T454] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.841196][ T454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.841391][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.841582][ T454] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.841905][ T454] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.842103][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.842344][ T454] ? __nla_parse (lib/nlattr.c:732) 
[ 45.842550][ T454] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.842831][ T454] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.843123][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.843310][ T454] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.843578][ T454] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.844081][ T454] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.844397][ T454] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.844887][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.845235][ T454] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.845796][ T454] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.846123][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.846441][ T454] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.846903][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.847177][ T454] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.847425][ T454] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.847907][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.848392][ T454] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.848797][ T454] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.849134][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.849454][ T454] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.849952][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.850297][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.850775][ T454] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.851108][ T454] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.851446][ T454] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.851936][ T454] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.852262][ T454] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.852586][ T454] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.853072][ T454] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.853400][ T454] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.853962][ T454] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.854367][ T454] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.854854][ T454] __x64_sys_sendto (net/socket.c:2181) 
[ 45.855177][ T454] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.855577][ T454] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.856073][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.856463][  T454] RIP: 0033:0x7f6e3867ca4a
[ 45.857173][ T454] 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
[   45.858438][  T454] RSP: 002b:00007ffedff648c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.859081][  T454] RAX: ffffffffffffffda RBX: 0000000003a40b00 RCX: 00007f6e3867ca4a
[   45.859552][  T454] RDX: 000000000000003c RSI: 0000000003a40b00 RDI: 0000000000000005
[   45.860184][  T454] RBP: 0000000003a40910 R08: 00007f6e38820200 R09: 000000000000000c
[   45.860481][  T454] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.860875][  T454] R13: 0000000003a40910 R14: 0000000000000000 R15: 0000000000000001
| [   45.881050][  T454] ------------[ cut here ]------------
| [ 45.881299][ T454] WARNING: CPU: 3 PID: 454 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) 
| [   45.881704][  T454] Modules linked in: netdevsim
| [   45.882255][  T454] Tainted: [W]=WARN
[   45.882414][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.882659][ T454] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.882909][ T454] 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
[   45.883573][  T454] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   45.883836][  T454] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.884117][  T454] RDX: 0000000000000000 RSI: ffff88800e0c2c98 RDI: ffff88800ae98b00
[   45.884411][  T454] RBP: ffff88800b408040 R08: 0000000000000000 R09: fffffbfff537d83c
[   45.884719][  T454] R10: ffffffffa9bec1e7 R11: ffff88800ae98040 R12: 0000000000000000
[   45.885000][  T454] R13: ffff88800e0c2128 R14: ffff88800e0c2008 R15: ffff88800e0c2000
[   45.885279][  T454] FS:  00007f6e38470800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   45.885612][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.885856][  T454] CR2: 000055d518aeb200 CR3: 000000000d794001 CR4: 0000000000772ef0
[   45.886139][  T454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.886421][  T454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.886712][  T454] PKRU: 55555554
[   45.886858][  T454] Call Trace:
[   45.887007][  T454]  <TASK>
[ 45.887107][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.887298][ T454] ? __warn (kernel/panic.c:748) 
[ 45.887446][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.887645][ T454] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.887846][ T454] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.887993][ T454] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.888183][ T454] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.888393][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.888594][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.888790][ T454] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.889032][ T454] ? _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) 
[ 45.889229][ T454] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.889422][ T454] register_netdevice (net/core/dev.c:11003) 
[ 45.889669][ T454] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.889882][ T454] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.890089][ T454] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.890337][ T454] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.890603][ T454] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.890853][ T454] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.891117][ T454] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.891363][ T454] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.891611][ T454] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.891860][ T454] devlink_reload (net/devlink/dev.c:474) 
[ 45.892057][ T454] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.892243][ T454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.892458][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.892665][ T454] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.892828][ T454] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.893021][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.893288][ T454] ? __nla_parse (lib/nlattr.c:732) 
[ 45.893493][ T454] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.893700][ T454] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.893971][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.894161][ T454] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.894361][ T454] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.894568][ T454] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.894770][ T454] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.895015][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.895257][ T454] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.895527][ T454] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.895747][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.895939][ T454] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.896132][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.896351][ T454] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.896499][ T454] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.896708][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.896931][ T454] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.897077][ T454] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.897274][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.897470][ T454] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.897693][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.897891][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.898082][ T454] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.898287][ T454] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.898494][ T454] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.898710][ T454] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.898902][ T454] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.899091][ T454] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.899302][ T454] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.899507][ T454] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.899754][ T454] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.900001][ T454] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.900199][ T454] __x64_sys_sendto (net/socket.c:2181) 
[ 45.900400][ T454] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.900645][ T454] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.900840][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.901093][  T454] RIP: 0033:0x7f6e3867ca4a
[ 45.901293][ T454] 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
[   45.901976][  T454] RSP: 002b:00007ffedff648c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.902263][  T454] RAX: ffffffffffffffda RBX: 0000000003a40b00 RCX: 00007f6e3867ca4a
[   45.902554][  T454] RDX: 000000000000003c RSI: 0000000003a40b00 RDI: 0000000000000005
[   45.902852][  T454] RBP: 0000000003a40910 R08: 00007f6e38820200 R09: 000000000000000c
[   45.903132][  T454] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.903409][  T454] R13: 0000000003a40910 R14: 0000000000000000 R15: 0000000000000001
| [   45.924278][  T454] ------------[ cut here ]------------
| [ 45.924522][ T454] WARNING: CPU: 3 PID: 454 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) 
| [   45.924938][  T454] Modules linked in: netdevsim
| [   45.925496][  T454] Tainted: [W]=WARN
[   45.925665][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.925914][ T454] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.926178][ T454] 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
[   45.926866][  T454] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   45.927123][  T454] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.927415][  T454] RDX: 0000000000000000 RSI: ffff88800b4bac98 RDI: ffff88800ae98b00
[   45.927729][  T454] RBP: ffff88800b408040 R08: 0000000000000000 R09: fffffbfff537d83c
[   45.928022][  T454] R10: ffffffffa9bec1e7 R11: ffff88800ae98040 R12: 0000000000000000
[   45.928331][  T454] R13: ffff88800b4ba128 R14: ffff88800b4ba008 R15: ffff88800b4ba000
[   45.928646][  T454] FS:  00007f6e38470800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   45.928994][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.929242][  T454] CR2: 000055d518aeb200 CR3: 000000000d794001 CR4: 0000000000772ef0
[   45.929547][  T454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.929857][  T454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.930144][  T454] PKRU: 55555554
[   45.930298][  T454] Call Trace:
[   45.930446][  T454]  <TASK>
[ 45.930544][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.930746][ T454] ? __warn (kernel/panic.c:748) 
[ 45.930897][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.931105][ T454] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.931306][ T454] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.931469][ T454] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.931686][ T454] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.931889][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.932091][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.932298][ T454] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.932554][ T454] ? _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) 
[ 45.932784][ T454] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.932989][ T454] register_netdevice (net/core/dev.c:11003) 
[ 45.933186][ T454] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.933397][ T454] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.933613][ T454] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.933880][ T454] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.934152][ T454] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.934409][ T454] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.934675][ T454] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.934915][ T454] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.935170][ T454] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.935433][ T454] devlink_reload (net/devlink/dev.c:474) 
[ 45.935654][ T454] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.935852][ T454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.936064][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.936253][ T454] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.936406][ T454] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.936610][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.936851][ T454] ? __nla_parse (lib/nlattr.c:732) 
[ 45.937056][ T454] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.937255][ T454] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.937506][ T454] ? cap_capable (security/commoncap.c:131) 
[ 45.937703][ T454] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.937901][ T454] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.938095][ T454] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.938286][ T454] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.938537][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.938785][ T454] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.939039][ T454] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.939231][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.939420][ T454] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.939632][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.939838][ T454] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.940007][ T454] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.940205][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.940417][ T454] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.940563][ T454] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.940789][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.940983][ T454] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.941196][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.941390][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.941606][ T454] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.941805][ T454] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.942003][ T454] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.942209][ T454] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.942399][ T454] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.942600][ T454] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.942802][ T454] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.943006][ T454] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.943255][ T454] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.943508][ T454] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.943720][ T454] __x64_sys_sendto (net/socket.c:2181) 
[ 45.943920][ T454] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.944155][ T454] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.944353][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.944621][  T454] RIP: 0033:0x7f6e3867ca4a
[ 45.944836][ T454] 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
[   45.945495][  T454] RSP: 002b:00007ffedff648c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.945815][  T454] RAX: ffffffffffffffda RBX: 0000000003a40b00 RCX: 00007f6e3867ca4a
[   45.946096][  T454] RDX: 000000000000003c RSI: 0000000003a40b00 RDI: 0000000000000005
[   45.946392][  T454] RBP: 0000000003a40910 R08: 00007f6e38820200 R09: 000000000000000c
[   45.946694][  T454] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.946984][  T454] R13: 0000000003a40910 R14: 0000000000000000 R15: 0000000000000001
| [   46.188514][  T460] ------------[ cut here ]------------
| [ 46.188835][ T460] WARNING: CPU: 2 PID: 460 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) 
| [   46.189240][  T460] Modules linked in: netdevsim
| [   46.189833][  T460] Tainted: [W]=WARN
[   46.189992][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.190242][ T460] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.190501][ T460] 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
[   46.191202][  T460] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   46.191461][  T460] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.191762][  T460] RDX: 0000000000000000 RSI: ffff888009fcac98 RDI: ffff888008c3d080
[   46.192059][  T460] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.192351][  T460] R10: ffffffffa9bec1e7 R11: ffff888008c3c5c0 R12: 0000000000000000
[   46.192683][  T460] R13: ffff888009fca128 R14: ffff888009fca008 R15: ffff888009fca000
[   46.192994][  T460] FS:  00007f66c3832800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   46.193341][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.193604][  T460] CR2: 00007fab54c4ce70 CR3: 0000000009892006 CR4: 0000000000772ef0
[   46.193907][  T460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.194204][  T460] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.194498][  T460] PKRU: 55555554
[   46.194691][  T460] Call Trace:
[   46.194853][  T460]  <TASK>
[ 46.194964][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.195172][ T460] ? __warn (kernel/panic.c:748) 
[ 46.195334][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.195547][ T460] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.195773][ T460] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.195933][ T460] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.196136][ T460] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.196354][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.196562][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.196798][ T460] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.197064][ T460] ? _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) 
[ 46.197273][ T460] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.197483][ T460] register_netdevice (net/core/dev.c:11003) 
[ 46.197704][ T460] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.197921][ T460] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.198140][ T460] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.198404][ T460] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.198679][ T460] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.198941][ T460] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.199199][ T460] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.199452][ T460] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.199711][ T460] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.199980][ T460] devlink_reload (net/devlink/dev.c:474) 
[ 46.200188][ T460] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.200390][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.200628][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.200834][ T460] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.201000][ T460] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.201223][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.201849][ T460] ? __nla_parse (lib/nlattr.c:732) 
[ 46.202066][ T460] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.202273][ T460] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.202536][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.202750][ T460] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.202961][ T460] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.203169][ T460] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.203379][ T460] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.203637][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.203887][ T460] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.204144][ T460] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.204351][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.204552][ T460] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.204790][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.205011][ T460] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.205168][ T460] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.205376][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.205597][ T460] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.205762][ T460] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.205969][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.206176][ T460] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.206396][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.206616][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.206817][ T460] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.207024][ T460] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.207238][ T460] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.207445][ T460] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.207684][ T460] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.207898][ T460] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.208116][ T460] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.208325][ T460] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.208579][ T460] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.208856][ T460] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.209071][ T460] __x64_sys_sendto (net/socket.c:2181) 
[ 46.209276][ T460] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.209534][ T460] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.209784][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.210041][  T460] RIP: 0033:0x7f66c3a3ea4a
[ 46.210251][ T460] 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
[   46.210936][  T460] RSP: 002b:00007ffe1d6fec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.211253][  T460] RAX: ffffffffffffffda RBX: 000000003b08ab00 RCX: 00007f66c3a3ea4a
[   46.211546][  T460] RDX: 000000000000003c RSI: 000000003b08ab00 RDI: 0000000000000005
[   46.211848][  T460] RBP: 000000003b08a910 R08: 00007f66c3be2200 R09: 000000000000000c
[   46.212150][  T460] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.212443][  T460] R13: 000000003b08a910 R14: 0000000000000000 R15: 0000000000000003
| [   46.223496][  T460] ------------[ cut here ]------------
| [ 46.223729][ T460] WARNING: CPU: 1 PID: 460 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) 
| [   46.224106][  T460] Modules linked in: netdevsim
| [   46.224647][  T460] Tainted: [W]=WARN
[   46.224793][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.225068][ T460] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.225315][ T460] 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
[   46.225977][  T460] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   46.226235][  T460] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.226528][  T460] RDX: 0000000000000000 RSI: ffff88800d582c98 RDI: ffff888008c3d080
[   46.226818][  T460] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.227097][  T460] R10: ffffffffa9bec1e7 R11: ffff888008c3c5c0 R12: 0000000000000000
[   46.227373][  T460] R13: ffff88800d582128 R14: ffff88800d582008 R15: ffff88800d582000
[   46.227665][  T460] FS:  00007f66c3832800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   46.227992][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.228230][  T460] CR2: 00007fab547907d0 CR3: 0000000009892003 CR4: 0000000000772ef0
[   46.228510][  T460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.228802][  T460] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.229111][  T460] PKRU: 55555554
[   46.229254][  T460] Call Trace:
[   46.229405][  T460]  <TASK>
[ 46.229506][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.229709][ T460] ? __warn (kernel/panic.c:748) 
[ 46.229859][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.230057][ T460] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.230256][ T460] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.230402][ T460] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.230601][ T460] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.230809][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.231002][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.231212][ T460] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.231457][ T460] ? _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) 
[ 46.231662][ T460] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.231858][ T460] register_netdevice (net/core/dev.c:11003) 
[ 46.232052][ T460] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.232252][ T460] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.232458][ T460] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.232711][ T460] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.232985][ T460] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.233257][ T460] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.233504][ T460] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.233758][ T460] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.233995][ T460] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.234248][ T460] devlink_reload (net/devlink/dev.c:474) 
[ 46.234443][ T460] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.234644][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.234839][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.235026][ T460] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.235181][ T460] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.235375][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.235629][ T460] ? __nla_parse (lib/nlattr.c:732) 
[ 46.235830][ T460] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.236027][ T460] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.236278][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.236477][ T460] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.236686][ T460] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.236882][ T460] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.237108][ T460] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.237341][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.237575][ T460] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.237831][ T460] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.238024][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.238213][ T460] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.238407][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.238626][ T460] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.238771][ T460] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.238965][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.239163][ T460] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.239308][ T460] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.239501][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.239702][ T460] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.239909][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.240104][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.240293][ T460] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.240485][ T460] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.240697][ T460] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.240891][ T460] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.241125][ T460] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.241316][ T460] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.241525][ T460] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.241736][ T460] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.241974][ T460] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.242211][ T460] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.242407][ T460] __x64_sys_sendto (net/socket.c:2181) 
[ 46.242607][ T460] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.242851][ T460] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.243045][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.243281][  T460] RIP: 0033:0x7f66c3a3ea4a
[ 46.243479][ T460] 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
[   46.244152][  T460] RSP: 002b:00007ffe1d6fec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.244436][  T460] RAX: ffffffffffffffda RBX: 000000003b08ab00 RCX: 00007f66c3a3ea4a
[   46.244725][  T460] RDX: 000000000000003c RSI: 000000003b08ab00 RDI: 0000000000000005
[   46.245030][  T460] RBP: 000000003b08a910 R08: 00007f66c3be2200 R09: 000000000000000c
[   46.245312][  T460] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.245609][  T460] R13: 000000003b08a910 R14: 0000000000000000 R15: 0000000000000003
| [   46.269111][  T460] ------------[ cut here ]------------
| [ 46.269573][ T460] WARNING: CPU: 3 PID: 460 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) 
| [   46.270029][  T460] Modules linked in: netdevsim
| [   46.270740][  T460] Tainted: [W]=WARN
[   46.270964][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.271321][ T460] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.271606][ T460] 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
[   46.272272][  T460] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   46.272513][  T460] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.272883][  T460] RDX: 0000000000000000 RSI: ffff88800d5b2c98 RDI: ffff888008c3d080
[   46.273187][  T460] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.273528][  T460] R10: ffffffffa9bec1e7 R11: ffff888008c3c5c0 R12: 0000000000000000
[   46.273859][  T460] R13: ffff88800d5b2128 R14: ffff88800d5b2008 R15: ffff88800d5b2000
[   46.274176][  T460] FS:  00007f66c3832800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.274535][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.274811][  T460] CR2: 00007fab547735a0 CR3: 0000000009892006 CR4: 0000000000772ef0
[   46.275122][  T460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.275440][  T460] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.275757][  T460] PKRU: 55555554
[   46.275918][  T460] Call Trace:
[   46.276082][  T460]  <TASK>
[ 46.276189][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.276399][ T460] ? __warn (kernel/panic.c:748) 
[ 46.276599][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.276818][ T460] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.277036][ T460] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.277223][ T460] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.277426][ T460] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.277655][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.277890][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.278109][ T460] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.278366][ T460] ? _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) 
[ 46.278605][ T460] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.278803][ T460] register_netdevice (net/core/dev.c:11003) 
[ 46.279040][ T460] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.279248][ T460] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.279461][ T460] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.279755][ T460] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.280011][ T460] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.280286][ T460] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.280549][ T460] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.280815][ T460] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.281069][ T460] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.281321][ T460] devlink_reload (net/devlink/dev.c:474) 
[ 46.281553][ T460] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.281758][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.281980][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.282170][ T460] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.282327][ T460] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.282521][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.282806][ T460] ? __nla_parse (lib/nlattr.c:732) 
[ 46.283010][ T460] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.283223][ T460] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.283481][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.283733][ T460] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.283936][ T460] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.284129][ T460] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.284347][ T460] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.284609][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.284853][ T460] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.285136][ T460] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.285331][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.285558][ T460] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.285771][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.286015][ T460] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.286162][ T460] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.286357][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.286580][ T460] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.286750][ T460] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.286976][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.287180][ T460] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.287394][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.287625][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.287845][ T460] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.288054][ T460] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.288283][ T460] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.288497][ T460] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.288716][ T460] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.288934][ T460] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.289154][ T460] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.289400][ T460] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.289670][ T460] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.289937][ T460] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.290156][ T460] __x64_sys_sendto (net/socket.c:2181) 
[ 46.290363][ T460] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.290638][ T460] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.290852][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.291123][  T460] RIP: 0033:0x7f66c3a3ea4a
[ 46.291339][ T460] 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
[   46.292076][  T460] RSP: 002b:00007ffe1d6fec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.292393][  T460] RAX: ffffffffffffffda RBX: 000000003b08ab00 RCX: 00007f66c3a3ea4a
[   46.292717][  T460] RDX: 000000000000003c RSI: 000000003b08ab00 RDI: 0000000000000005
[   46.293041][  T460] RBP: 000000003b08a910 R08: 00007f66c3be2200 R09: 000000000000000c
[   46.293352][  T460] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.293679][  T460] R13: 000000003b08a910 R14: 0000000000000000 R15: 0000000000000003
| [   46.305026][  T460] ------------[ cut here ]------------
| [ 46.305273][ T460] WARNING: CPU: 3 PID: 460 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) 
| [   46.306426][  T460] Modules linked in: netdevsim
| [   46.307087][  T460] Tainted: [W]=WARN
[   46.307233][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.307487][ T460] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.307828][ T460] 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
[   46.308488][  T460] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   46.308861][  T460] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.309178][  T460] RDX: 0000000000000000 RSI: ffff88800d6d2c98 RDI: ffff888008c3d080
[   46.309474][  T460] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.309870][  T460] R10: ffffffffa9bec1e7 R11: ffff888008c3c5c0 R12: 0000000000000000
[   46.310151][  T460] R13: ffff88800d6d2128 R14: ffff88800d6d2008 R15: ffff88800d6d2000
[   46.310462][  T460] FS:  00007f66c3832800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.310891][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.311155][  T460] CR2: 00007fab547735a0 CR3: 0000000009892006 CR4: 0000000000772ef0
[   46.311455][  T460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.311864][  T460] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.312142][  T460] PKRU: 55555554
[   46.312286][  T460] Call Trace:
[   46.312438][  T460]  <TASK>
[ 46.312547][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.312839][ T460] ? __warn (kernel/panic.c:748) 
[ 46.312990][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.313181][ T460] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.313379][ T460] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.313527][ T460] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.313815][ T460] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.314030][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.314229][ T460] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.314430][ T460] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.314774][ T460] ? _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) 
[ 46.314978][ T460] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.315171][ T460] register_netdevice (net/core/dev.c:11003) 
[ 46.315368][ T460] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.315580][ T460] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.315885][ T460] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.316132][ T460] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.316394][ T460] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.316755][ T460] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.317021][ T460] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.317270][ T460] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.317508][ T460] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.317855][ T460] devlink_reload (net/devlink/dev.c:474) 
[ 46.318062][ T460] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.318250][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.318445][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.318742][ T460] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.318901][ T460] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.319101][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.319351][ T460] ? __nla_parse (lib/nlattr.c:732) 
[ 46.319566][ T460] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.319855][ T460] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.320114][ T460] ? cap_capable (security/commoncap.c:131) 
[ 46.320310][ T460] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.320515][ T460] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.320805][ T460] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.321006][ T460] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.321262][ T460] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.321503][ T460] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.321880][ T460] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.322085][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.322276][ T460] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.322475][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.322776][ T460] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.322928][ T460] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.323125][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.323326][ T460] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.323490][ T460] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.323790][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.323984][ T460] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.324187][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.324394][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.324676][ T460] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.324868][ T460] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.325078][ T460] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.325272][ T460] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.325459][ T460] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.325753][ T460] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.325961][ T460] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.326158][ T460] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.326398][ T460] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.326748][ T460] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.326955][ T460] __x64_sys_sendto (net/socket.c:2181) 
[ 46.327161][ T460] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.327403][ T460] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.327698][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.327934][  T460] RIP: 0033:0x7f66c3a3ea4a
[ 46.328143][ T460] 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
[   46.328902][  T460] RSP: 002b:00007ffe1d6fec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.329187][  T460] RAX: ffffffffffffffda RBX: 000000003b08ab00 RCX: 00007f66c3a3ea4a
[   46.329490][  T460] RDX: 000000000000003c RSI: 000000003b08ab00 RDI: 0000000000000005
[   46.329882][  T460] RBP: 000000003b08a910 R08: 00007f66c3be2200 R09: 000000000000000c
[   46.330168][  T460] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.330457][  T460] R13: 000000003b08a910 R14: 0000000000000000 R15: 0000000000000003
| [   46.565581][   T67] ------------[ cut here ]------------
| [ 46.566110][ T67] WARNING: CPU: 1 PID: 67 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) 
| [   46.566476][   T67] Modules linked in: netdevsim
| [   46.567139][   T67] Tainted: [W]=WARN
[   46.567274][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.567507][   T67] Workqueue: netns cleanup_net
[ 46.567805][ T67] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.568045][ T67] 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
[   46.568725][   T67] RSP: 0018:ffffc90000487620 EFLAGS: 00010246
[   46.568943][   T67] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.569243][   T67] RDX: 0000000000000000 RSI: ffff88800b9cac98 RDI: ffff888008838b50
[   46.569494][   T67] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.569827][   T67] R10: ffffffffa9bec1e7 R11: ffff888008838040 R12: 0000000000000000
[   46.570117][   T67] R13: ffff88800b9ca128 R14: ffff88800b9ca008 R15: ffff88800b9ca000
[   46.570374][   T67] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   46.570682][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.570911][   T67] CR2: 00007fab547907d0 CR3: 0000000008bfe005 CR4: 0000000000772ef0
[   46.571234][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.571485][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.571755][   T67] PKRU: 55555554
[   46.571887][   T67] Call Trace:
[   46.572034][   T67]  <TASK>
[ 46.572129][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.572303][ T67] ? __warn (kernel/panic.c:748) 
[ 46.572441][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.572627][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.572815][ T67] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.572953][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.573150][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.573470][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.573669][ T67] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.573889][ T67] ? _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) 
[ 46.574102][ T67] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.574297][ T67] register_netdevice (net/core/dev.c:11003) 
[ 46.574491][ T67] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.574708][ T67] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.574913][ T67] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.575167][ T67] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.575424][ T67] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.575693][ T67] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.575936][ T67] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.576188][ T67] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.576428][ T67] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.576684][ T67] devlink_reload (net/devlink/dev.c:474) 
[ 46.576879][ T67] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.577079][ T67] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.577276][ T67] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.577467][ T67] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.577726][ T67] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.577920][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.578138][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.578329][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.578522][ T67] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.578704][ T67] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.578891][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 46.579111][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.579285][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.579469][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 46.579658][ T67] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.579841][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.580086][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.580287][ T67] kthread (kernel/kthread.c:464) 
[ 46.580422][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.580609][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.580784][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.580957][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.581150][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   46.594875][   T67] ------------[ cut here ]------------
| [ 46.595150][ T67] WARNING: CPU: 1 PID: 67 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) 
| [   46.595516][   T67] Modules linked in: netdevsim
| [   46.596137][   T67] Tainted: [W]=WARN
[   46.596291][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.596500][   T67] Workqueue: netns cleanup_net
[ 46.596698][ T67] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.596926][ T67] 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
[   46.597539][   T67] RSP: 0018:ffffc90000487620 EFLAGS: 00010246
[   46.597777][   T67] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.598066][   T67] RDX: 0000000000000000 RSI: ffff88800ac6ac98 RDI: ffff888008838b50
[   46.598340][   T67] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.598620][   T67] R10: ffffffffa9bec1e7 R11: ffff888008838040 R12: 0000000000000000
[   46.598876][   T67] R13: ffff88800ac6a128 R14: ffff88800ac6a008 R15: ffff88800ac6a000
[   46.599130][   T67] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   46.599427][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.599666][   T67] CR2: 00007fab547907d0 CR3: 0000000008bfe005 CR4: 0000000000772ef0
[   46.599927][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.600195][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.600452][   T67] PKRU: 55555554
[   46.600583][   T67] Call Trace:
[   46.600729][   T67]  <TASK>
[ 46.600826][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.601013][ T67] ? __warn (kernel/panic.c:748) 
[ 46.601165][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.601338][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.601518][ T67] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.601671][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.601845][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.602075][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.602266][ T67] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.602486][ T67] ? _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) 
[ 46.602682][ T67] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.602884][ T67] register_netdevice (net/core/dev.c:11003) 
[ 46.603074][ T67] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.603269][ T67] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.603456][ T67] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.603695][ T67] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.603952][ T67] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.604184][ T67] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.604431][ T67] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.604665][ T67] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.604907][ T67] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.605154][ T67] devlink_reload (net/devlink/dev.c:474) 
[ 46.605337][ T67] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.605527][ T67] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.605731][ T67] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.605916][ T67] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.606175][ T67] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.606352][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.606531][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.606743][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.606930][ T67] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.607101][ T67] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.607289][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 46.607498][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.607690][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.607892][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 46.608076][ T67] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.608256][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.608479][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.608659][ T67] kthread (kernel/kthread.c:464) 
[ 46.608791][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.608979][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.609163][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.609331][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.609498][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   46.623993][   T67] ------------[ cut here ]------------
| [ 46.624576][ T67] WARNING: CPU: 1 PID: 67 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) 
| [   46.624928][   T67] Modules linked in: netdevsim
| [   46.625516][   T67] Tainted: [W]=WARN
[   46.625728][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.625942][   T67] Workqueue: netns cleanup_net
[ 46.626168][ T67] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.626395][ T67] 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
[   46.626995][   T67] RSP: 0018:ffffc90000487620 EFLAGS: 00010246
[   46.627218][   T67] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.627488][   T67] RDX: 0000000000000000 RSI: ffff888008852c98 RDI: ffff888008838b50
[   46.627747][   T67] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.627998][   T67] R10: ffffffffa9bec1e7 R11: ffff888008838040 R12: 0000000000000000
[   46.628251][   T67] R13: ffff888008852128 R14: ffff888008852008 R15: ffff888008852000
[   46.628505][   T67] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   46.628809][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.629018][   T67] CR2: 00007fab547907d0 CR3: 0000000008bfe005 CR4: 0000000000772ef0
[   46.629268][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.629518][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.629793][   T67] PKRU: 55555554
[   46.629924][   T67] Call Trace:
[   46.630083][   T67]  <TASK>
[ 46.630175][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.630346][ T67] ? __warn (kernel/panic.c:748) 
[ 46.630482][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.630672][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.630864][ T67] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.631001][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.631183][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.631369][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.631548][ T67] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.631817][ T67] ? _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) 
[ 46.632117][ T67] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.632391][ T67] register_netdevice (net/core/dev.c:11003) 
[ 46.632707][ T67] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.633006][ T67] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.633328][ T67] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.633732][ T67] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.634121][ T67] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.634502][ T67] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.634915][ T67] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.635287][ T67] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.635658][ T67] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.636055][ T67] devlink_reload (net/devlink/dev.c:474) 
[ 46.636363][ T67] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.636684][ T67] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.637002][ T67] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.637294][ T67] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.637706][ T67] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.638006][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.638315][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.638627][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.638938][ T67] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.639213][ T67] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.639511][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 46.639767][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.639956][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.640190][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 46.640385][ T67] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.640576][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.640828][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.641039][ T67] kthread (kernel/kthread.c:464) 
[ 46.641209][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.641403][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.641612][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.641802][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.641990][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   46.658267][   T67] ------------[ cut here ]------------
| [ 46.658479][ T67] WARNING: CPU: 1 PID: 67 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) 
| [   46.658838][   T67] Modules linked in: netdevsim
| [   46.659350][   T67] Tainted: [W]=WARN
[   46.659488][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.659711][   T67] Workqueue: netns cleanup_net
[ 46.659893][ T67] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.660112][ T67] 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
[   46.660700][   T67] RSP: 0018:ffffc90000487620 EFLAGS: 00010246
[   46.660921][   T67] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.661192][   T67] RDX: 0000000000000000 RSI: ffff8880090f2c98 RDI: ffff888008838b50
[   46.661444][   T67] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   46.661704][   T67] R10: ffffffffa9bec1e7 R11: ffff888008838040 R12: 0000000000000000
[   46.661959][   T67] R13: ffff8880090f2128 R14: ffff8880090f2008 R15: ffff8880090f2000
[   46.662220][   T67] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   46.662510][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.662731][   T67] CR2: 00007fab547907d0 CR3: 0000000008bfe005 CR4: 0000000000772ef0
[   46.662981][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.663259][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.663511][   T67] PKRU: 55555554
[   46.663653][   T67] Call Trace:
[   46.663782][   T67]  <TASK>
[ 46.663870][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.664043][ T67] ? __warn (kernel/panic.c:748) 
[ 46.664180][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.664354][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.664536][ T67] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.664686][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.664860][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.665044][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.665229][ T67] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.665447][ T67] ? _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) 
[ 46.665635][ T67] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.665814][ T67] register_netdevice (net/core/dev.c:11003) 
[ 46.665995][ T67] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.666209][ T67] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.666398][ T67] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.666651][ T67] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.666881][ T67] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.667106][ T67] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.667332][ T67] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.667549][ T67] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.667782][ T67] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.668016][ T67] devlink_reload (net/devlink/dev.c:474) 
[ 46.668222][ T67] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.668397][ T67] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.668581][ T67] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.668766][ T67] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.669010][ T67] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.669182][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.669356][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.669523][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.669710][ T67] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.669886][ T67] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.670080][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 46.670268][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.670442][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.670638][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 46.670814][ T67] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.670990][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.671233][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.671412][ T67] kthread (kernel/kthread.c:464) 
[ 46.671545][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.671733][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.671909][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.672115][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.672443][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   47.530733][  T495] ------------[ cut here ]------------
| [ 47.531060][ T495] WARNING: CPU: 2 PID: 495 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) 
| [   47.531522][  T495] Modules linked in: netdevsim
| [   47.532200][  T495] Tainted: [W]=WARN
[   47.532382][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.532675][ T495] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.532971][ T495] 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
[   47.533730][  T495] RSP: 0018:ffffc90000d771e8 EFLAGS: 00010246
[   47.534009][  T495] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.534327][  T495] RDX: 0000000000000000 RSI: ffff88800d642c98 RDI: ffff888005975080
[   47.534679][  T495] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   47.535011][  T495] R10: ffffffffa9bec1e7 R11: ffff8880059745c0 R12: 0000000000000000
[   47.535349][  T495] R13: ffff88800d642128 R14: ffff88800d642008 R15: ffff88800d642000
[   47.535710][  T495] FS:  00007fa177fe2800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.536083][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.536354][  T495] CR2: 00007fab547735a0 CR3: 0000000008d5c005 CR4: 0000000000772ef0
[   47.536718][  T495] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.537053][  T495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.537374][  T495] PKRU: 55555554
[   47.537544][  T495] Call Trace:
[   47.537728][  T495]  <TASK>
[ 47.537853][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.538074][ T495] ? __warn (kernel/panic.c:748) 
[ 47.538249][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.538468][ T495] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.538707][ T495] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.538886][ T495] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.539110][ T495] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.539345][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.539563][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.539815][ T495] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.540093][ T495] ? _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) 
[ 47.540323][ T495] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.540543][ T495] register_netdevice (net/core/dev.c:11003) 
[ 47.540781][ T495] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.541009][ T495] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.541266][ T495] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.541547][ T495] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.541850][ T495] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.542134][ T495] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.542419][ T495] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.542707][ T495] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.542983][ T495] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.543276][ T495] devlink_reload (net/devlink/dev.c:474) 
[ 47.543503][ T495] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.543745][ T495] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.543988][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.544214][ T495] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.544399][ T495] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.544658][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.544935][ T495] ? __nla_parse (lib/nlattr.c:732) 
[ 47.545163][ T495] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.545387][ T495] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.545689][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.545911][ T495] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.546137][ T495] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.546360][ T495] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.546578][ T495] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.546855][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.547118][ T495] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.547402][ T495] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.547646][ T495] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.547900][ T495] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.548123][ T495] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.548363][ T495] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.548539][ T495] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.548792][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.549049][ T495] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.549232][ T495] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.549465][ T495] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.549728][ T495] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.549962][ T495] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.550200][ T495] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.550417][ T495] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.550654][ T495] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.550895][ T495] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.551132][ T495] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.551374][ T495] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.551622][ T495] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.551861][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.552102][ T495] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.552382][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.552634][ T495] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.552934][ T495] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.553174][ T495] __x64_sys_sendto (net/socket.c:2181) 
[ 47.553397][ T495] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.553716][ T495] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.553943][ T495] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.554237][  T495] RIP: 0033:0x7fa1781eea4a
[ 47.554469][ T495] 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
[   47.555239][  T495] RSP: 002b:00007fff8ea25148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.555621][  T495] RAX: ffffffffffffffda RBX: 000000003fdc9b00 RCX: 00007fa1781eea4a
[   47.555949][  T495] RDX: 000000000000003c RSI: 000000003fdc9b00 RDI: 0000000000000005
[   47.556278][  T495] RBP: 000000003fdc9910 R08: 00007fa178392200 R09: 000000000000000c
[   47.556614][  T495] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.556960][  T495] R13: 000000003fdc9910 R14: 0000000000000000 R15: 0000000000000001
| [   47.568114][  T495] ------------[ cut here ]------------
| [ 47.568359][ T495] WARNING: CPU: 1 PID: 495 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) 
| [   47.568747][  T495] Modules linked in: netdevsim
| [   47.569287][  T495] Tainted: [W]=WARN
[   47.569432][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.569684][ T495] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.569932][ T495] 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
[   47.570598][  T495] RSP: 0018:ffffc90000d771e8 EFLAGS: 00010246
[   47.570838][  T495] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.571158][  T495] RDX: 0000000000000000 RSI: ffff88800d53ac98 RDI: ffff888005975080
[   47.571463][  T495] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   47.571756][  T495] R10: ffffffffa9bec1e7 R11: ffff8880059745c0 R12: 0000000000000000
[   47.572081][  T495] R13: ffff88800d53a128 R14: ffff88800d53a008 R15: ffff88800d53a000
[   47.572392][  T495] FS:  00007fa177fe2800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   47.572761][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.573026][  T495] CR2: 000055d518b2de60 CR3: 0000000008d5c006 CR4: 0000000000772ef0
[   47.573333][  T495] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.573648][  T495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.573959][  T495] PKRU: 55555554
[   47.574126][  T495] Call Trace:
[   47.574281][  T495]  <TASK>
[ 47.574389][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.574609][ T495] ? __warn (kernel/panic.c:748) 
[ 47.574772][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.574978][ T495] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.575190][ T495] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.575347][ T495] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.575555][ T495] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.575791][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.576003][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.576216][ T495] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.576478][ T495] ? _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) 
[ 47.576703][ T495] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.576916][ T495] register_netdevice (net/core/dev.c:11003) 
[ 47.577137][ T495] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.577355][ T495] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.577576][ T495] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.577858][ T495] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.578138][ T495] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.578410][ T495] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.578696][ T495] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.578962][ T495] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.579220][ T495] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.579488][ T495] devlink_reload (net/devlink/dev.c:474) 
[ 47.579711][ T495] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.579917][ T495] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.580137][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.580343][ T495] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.580538][ T495] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.580886][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.581300][ T495] ? __nla_parse (lib/nlattr.c:732) 
[ 47.581655][ T495] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.581991][ T495] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.582427][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.582761][ T495] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.583115][ T495] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.583439][ T495] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.583776][ T495] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.584170][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.584559][ T495] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.584998][ T495] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.585346][ T495] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.585683][ T495] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.586009][ T495] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.586353][ T495] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.586611][ T495] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.586930][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.587272][ T495] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.587518][ T495] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.587860][ T495] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.588183][ T495] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.588518][ T495] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.588867][ T495] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.589185][ T495] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.589518][ T495] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.589890][ T495] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.590230][ T495] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.590538][ T495] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.590867][ T495] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.591205][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.591556][ T495] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.592003][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.592347][ T495] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.592795][ T495] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.593150][ T495] __x64_sys_sendto (net/socket.c:2181) 
[ 47.593478][ T495] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.593908][ T495] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.594255][ T495] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.594694][  T495] RIP: 0033:0x7fa1781eea4a
[ 47.595045][ T495] 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
[   47.596218][  T495] RSP: 002b:00007fff8ea25148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.596725][  T495] RAX: ffffffffffffffda RBX: 000000003fdc9b00 RCX: 00007fa1781eea4a
[   47.597232][  T495] RDX: 000000000000003c RSI: 000000003fdc9b00 RDI: 0000000000000005
[   47.597733][  T495] RBP: 000000003fdc9910 R08: 00007fa178392200 R09: 000000000000000c
[   47.598219][  T495] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.598725][  T495] R13: 000000003fdc9910 R14: 0000000000000000 R15: 0000000000000001
| [   47.616912][  T495] ------------[ cut here ]------------
| [ 47.617333][ T495] WARNING: CPU: 1 PID: 495 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) 
| [   47.618013][  T495] Modules linked in: netdevsim
| [   47.618962][  T495] Tainted: [W]=WARN
[   47.619225][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.619670][ T495] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.620099][ T495] 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
[   47.621279][  T495] RSP: 0018:ffffc90000d771e8 EFLAGS: 00010246
[   47.621669][  T495] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.622124][  T495] RDX: 0000000000000000 RSI: ffff88800e1cac98 RDI: ffff888005975080
[   47.622570][  T495] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   47.623065][  T495] R10: ffffffffa9bec1e7 R11: ffff8880059745c0 R12: 0000000000000000
[   47.623551][  T495] R13: ffff88800e1ca128 R14: ffff88800e1ca008 R15: ffff88800e1ca000
[   47.624042][  T495] FS:  00007fa177fe2800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   47.624639][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.625058][  T495] CR2: 000055d518b2de60 CR3: 0000000008d5c006 CR4: 0000000000772ef0
[   47.625540][  T495] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.626054][  T495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.626565][  T495] PKRU: 55555554
[   47.626833][  T495] Call Trace:
[   47.627095][  T495]  <TASK>
[ 47.627269][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.627622][ T495] ? __warn (kernel/panic.c:748) 
[ 47.627883][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.628225][ T495] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.628576][ T495] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.628837][ T495] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.629171][ T495] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.629519][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.629757][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.629971][ T495] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.630237][ T495] ? _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) 
[ 47.630470][ T495] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.630705][ T495] register_netdevice (net/core/dev.c:11003) 
[ 47.630919][ T495] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.631181][ T495] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.631469][ T495] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.631754][ T495] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.632030][ T495] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.632308][ T495] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.632638][ T495] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.632913][ T495] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.633170][ T495] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.633453][ T495] devlink_reload (net/devlink/dev.c:474) 
[ 47.633722][ T495] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.633935][ T495] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.634150][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.634363][ T495] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.634571][ T495] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.634836][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.635104][ T495] ? __nla_parse (lib/nlattr.c:732) 
[ 47.635329][ T495] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.635581][ T495] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.635896][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.636109][ T495] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.636328][ T495] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.636681][ T495] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.637031][ T495] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.637447][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.637878][ T495] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.638243][ T495] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.638478][ T495] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.638702][ T495] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.638914][ T495] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.639139][ T495] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.639299][ T495] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.639534][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.639761][ T495] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.639921][ T495] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.640133][ T495] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.640343][ T495] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.640570][ T495] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.640795][ T495] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.641012][ T495] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.641233][ T495] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.641468][ T495] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.641695][ T495] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.641903][ T495] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.642110][ T495] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.642328][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.642557][ T495] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.642829][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.643040][ T495] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.643305][ T495] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.643529][ T495] __x64_sys_sendto (net/socket.c:2181) 
[ 47.643749][ T495] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.644005][ T495] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.644221][ T495] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.644494][  T495] RIP: 0033:0x7fa1781eea4a
[ 47.644843][ T495] 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
[   47.645575][  T495] RSP: 002b:00007fff8ea25148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.646024][  T495] RAX: ffffffffffffffda RBX: 000000003fdc9b00 RCX: 00007fa1781eea4a
[   47.646331][  T495] RDX: 000000000000003c RSI: 000000003fdc9b00 RDI: 0000000000000005
[   47.647056][  T495] RBP: 000000003fdc9910 R08: 00007fa178392200 R09: 000000000000000c
[   47.647412][  T495] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.647739][  T495] R13: 000000003fdc9910 R14: 0000000000000000 R15: 0000000000000001
| [   47.662532][  T495] ------------[ cut here ]------------
| [ 47.662822][ T495] WARNING: CPU: 0 PID: 495 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) 
| [   47.663253][  T495] Modules linked in: netdevsim
| [   47.663956][  T495] Tainted: [W]=WARN
[   47.664105][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.664341][ T495] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.664604][ T495] 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
[   47.665271][  T495] RSP: 0018:ffffc90000d771e8 EFLAGS: 00010246
[   47.665514][  T495] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.665835][  T495] RDX: 0000000000000000 RSI: ffff88800e4bac98 RDI: ffff888005975080
[   47.666129][  T495] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   47.666440][  T495] R10: ffffffffa9bec1e7 R11: ffff8880059745c0 R12: 0000000000000000
[   47.666741][  T495] R13: ffff88800e4ba128 R14: ffff88800e4ba008 R15: ffff88800e4ba000
[   47.667057][  T495] FS:  00007fa177fe2800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   47.667398][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.667647][  T495] CR2: 000055d518b0c160 CR3: 0000000008d5c003 CR4: 0000000000772ef0
[   47.667964][  T495] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.668275][  T495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.668563][  T495] PKRU: 55555554
[   47.668750][  T495] Call Trace:
[   47.668895][  T495]  <TASK>
[ 47.668999][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.669197][ T495] ? __warn (kernel/panic.c:748) 
[ 47.669345][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.669537][ T495] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.669744][ T495] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.669899][ T495] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.670105][ T495] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.670323][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.670529][ T495] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.670749][ T495] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.670996][ T495] ? _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) 
[ 47.671207][ T495] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.671408][ T495] register_netdevice (net/core/dev.c:11003) 
[ 47.671615][ T495] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.671837][ T495] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.672063][ T495] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.672312][ T495] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.672568][ T495] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.672836][ T495] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.673091][ T495] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.673333][ T495] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.673569][ T495] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.673827][ T495] devlink_reload (net/devlink/dev.c:474) 
[ 47.674030][ T495] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.674220][ T495] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.674418][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.674626][ T495] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.674784][ T495] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.674980][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.675220][ T495] ? __nla_parse (lib/nlattr.c:732) 
[ 47.675429][ T495] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.675639][ T495] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.675892][ T495] ? cap_capable (security/commoncap.c:131) 
[ 47.676086][ T495] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.676287][ T495] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.676500][ T495] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.676713][ T495] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.676959][ T495] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.677210][ T495] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.677459][ T495] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.677662][ T495] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.677879][ T495] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.678083][ T495] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.678307][ T495] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.678462][ T495] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.678699][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.678902][ T495] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.679088][ T495] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.679298][ T495] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.679524][ T495] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.679765][ T495] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.679975][ T495] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.680181][ T495] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.680410][ T495] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.680624][ T495] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.680822][ T495] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.681044][ T495] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.681248][ T495] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.681457][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.681693][ T495] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.681958][ T495] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.682156][ T495] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.682397][ T495] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.682628][ T495] __x64_sys_sendto (net/socket.c:2181) 
[ 47.682844][ T495] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.683091][ T495] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.683286][ T495] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.683534][  T495] RIP: 0033:0x7fa1781eea4a
[ 47.683749][ T495] 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
[   47.684420][  T495] RSP: 002b:00007fff8ea25148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.684727][  T495] RAX: ffffffffffffffda RBX: 000000003fdc9b00 RCX: 00007fa1781eea4a
[   47.685013][  T495] RDX: 000000000000003c RSI: 000000003fdc9b00 RDI: 0000000000000005
[   47.685316][  T495] RBP: 000000003fdc9910 R08: 00007fa178392200 R09: 000000000000000c
[   47.685610][  T495] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.685900][  T495] R13: 000000003fdc9910 R14: 0000000000000000 R15: 0000000000000001
| [   48.653145][  T514] ------------[ cut here ]------------
| [ 48.653454][ T514] WARNING: CPU: 1 PID: 514 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) 
| [   48.653873][  T514] Modules linked in: netdevsim
| [   48.654426][  T514] Tainted: [W]=WARN
[   48.654574][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.654821][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.655074][ T514] 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
[   48.655757][  T514] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   48.656006][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.656292][  T514] RDX: 0000000000000000 RSI: ffff88800e0d2c98 RDI: ffff88800599d080
[   48.656606][  T514] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   48.656892][  T514] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   48.657176][  T514] R13: ffff88800e0d2128 R14: ffff88800e0d2008 R15: ffff88800e0d2000
[   48.657499][  T514] FS:  00007ff2e1fb8800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   48.657838][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.658076][  T514] CR2: 00007ff2e2368200 CR3: 0000000009868001 CR4: 0000000000772ef0
[   48.658375][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.658846][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.659172][  T514] PKRU: 55555554
[   48.659320][  T514] Call Trace:
[   48.659479][  T514]  <TASK>
[ 48.659600][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.659864][ T514] ? __warn (kernel/panic.c:748) 
[ 48.660017][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.660272][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.660508][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.660739][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.660935][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.661211][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.661418][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.661688][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.661933][ T514] ? _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) 
[ 48.662175][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.662419][ T514] register_netdevice (net/core/dev.c:11003) 
[ 48.662674][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.662902][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.663156][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.663420][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.663697][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.663946][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.664252][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.664566][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.664846][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.665158][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.665370][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.665794][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 48.665998][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.666193][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.666512][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.666728][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.667029][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 48.667291][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.667508][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.667829][ T514] ? cap_capable (security/commoncap.c:131) 
[ 48.668024][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.668259][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.668475][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.668690][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.668932][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.669167][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.669430][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.669634][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.669827][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.670022][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.670256][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.670421][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.670625][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.670826][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.670969][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.671226][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.671474][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.671699][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.671934][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.672153][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.672382][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.672642][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.672839][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.673032][ T514] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 48.673290][ T514] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 48.673570][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.673794][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.674011][ T514] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 48.674310][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 48.674518][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.674767][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.675019][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.675266][  T514] RIP: 0033:0x7ff2e21c4a4a
[ 48.675474][ T514] 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
[   48.676145][  T514] RSP: 002b:00007ffef8702a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.676451][  T514] RAX: ffffffffffffffda RBX: 000000002b234b00 RCX: 00007ff2e21c4a4a
[   48.676744][  T514] RDX: 0000000000000034 RSI: 000000002b234b00 RDI: 0000000000000005
[   48.677027][  T514] RBP: 000000002b234910 R08: 00007ff2e2368200 R09: 000000000000000c
[   48.677307][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.677771][  T514] R13: 000000002b234910 R14: 0000000000000000 R15: 0000000000000003
| [   48.705064][  T514] ------------[ cut here ]------------
| [ 48.705307][ T514] WARNING: CPU: 1 PID: 514 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) 
| [   48.705899][  T514] Modules linked in: netdevsim
| [   48.706561][  T514] Tainted: [W]=WARN
[   48.706747][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.707000][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.707309][ T514] 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
[   48.708165][  T514] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   48.708436][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.708818][  T514] RDX: 0000000000000000 RSI: ffff88800b612c98 RDI: ffff88800599d080
[   48.709122][  T514] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   48.709492][  T514] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   48.709866][  T514] R13: ffff88800b612128 R14: ffff88800b612008 R15: ffff88800b612000
[   48.710169][  T514] FS:  00007ff2e1fb8800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   48.710581][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.710925][  T514] CR2: 00007ff2e2368200 CR3: 0000000009868001 CR4: 0000000000772ef0
[   48.711271][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.711628][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.711975][  T514] PKRU: 55555554
[   48.712129][  T514] Call Trace:
[   48.712351][  T514]  <TASK>
[ 48.712468][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.712689][ T514] ? __warn (kernel/panic.c:748) 
[ 48.712852][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.713158][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.713385][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.713547][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.713763][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.714043][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.714284][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.714525][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.714788][ T514] ? _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) 
[ 48.715048][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.715257][ T514] register_netdevice (net/core/dev.c:11003) 
[ 48.715482][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.715729][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.715942][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.716191][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.716484][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.716751][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.717088][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.717406][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.717776][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.718033][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.718223][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.718540][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 48.718762][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.718958][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.719215][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.719423][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.719686][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 48.719892][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.720089][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.720350][ T514] ? cap_capable (security/commoncap.c:131) 
[ 48.720549][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.720762][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.720958][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.721159][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.721433][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.721695][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.721948][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.722220][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.722434][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.722659][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.722924][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.723080][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.723294][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.723517][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.723695][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.723955][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.724216][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.724473][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.724699][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.724891][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.725154][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.725375][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.725580][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.725789][ T514] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 48.725990][ T514] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 48.726192][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.726401][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.726611][ T514] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 48.726864][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 48.727061][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.727302][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.727547][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.727833][  T514] RIP: 0033:0x7ff2e21c4a4a
[ 48.728035][ T514] 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
[   48.728803][  T514] RSP: 002b:00007ffef8702a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.729095][  T514] RAX: ffffffffffffffda RBX: 000000002b234b00 RCX: 00007ff2e21c4a4a
[   48.729401][  T514] RDX: 0000000000000034 RSI: 000000002b234b00 RDI: 0000000000000005
[   48.729901][  T514] RBP: 000000002b234910 R08: 00007ff2e2368200 R09: 000000000000000c
[   48.730258][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.730553][  T514] R13: 000000002b234910 R14: 0000000000000000 R15: 0000000000000003
| [   48.748073][  T514] ------------[ cut here ]------------
| [ 48.748397][ T514] WARNING: CPU: 1 PID: 514 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) 
| [   48.748818][  T514] Modules linked in: netdevsim
| [   48.749472][  T514] Tainted: [W]=WARN
[   48.749727][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.749966][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.750219][ T514] 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
[   48.751157][  T514] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   48.751519][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.751893][  T514] RDX: 0000000000000000 RSI: ffff888008de2c98 RDI: ffff88800599d080
[   48.752240][  T514] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   48.752552][  T514] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   48.752883][  T514] R13: ffff888008de2128 R14: ffff888008de2008 R15: ffff888008de2000
[   48.753218][  T514] FS:  00007ff2e1fb8800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   48.753628][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.753979][  T514] CR2: 00007ff2e2368200 CR3: 0000000009868001 CR4: 0000000000772ef0
[   48.754338][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.754740][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.755040][  T514] PKRU: 55555554
[   48.755184][  T514] Call Trace:
[   48.755342][  T514]  <TASK>
[ 48.755500][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.755769][ T514] ? __warn (kernel/panic.c:748) 
[ 48.755961][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.756234][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.756517][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.756691][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.756945][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.757150][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.757356][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.757696][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.757948][ T514] ? _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) 
[ 48.758157][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.758376][ T514] register_netdevice (net/core/dev.c:11003) 
[ 48.758687][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.758965][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.759243][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.759556][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.759838][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.760105][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.760370][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.760655][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.760911][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.761242][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.761469][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.761744][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 48.761944][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.762142][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.762474][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.762736][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.763001][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 48.763291][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.763584][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.763935][ T514] ? cap_capable (security/commoncap.c:131) 
[ 48.764140][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.764421][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.764645][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.764845][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.765122][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.765481][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.765754][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.766026][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.766271][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.766521][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.766744][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.766902][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.767102][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.767351][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.767534][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.767758][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.767965][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.768190][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.768479][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.768739][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.768998][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.769228][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.769464][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.769768][ T514] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 48.769995][ T514] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 48.770241][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.770466][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.770736][ T514] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 48.771000][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 48.771272][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.771524][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.771733][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.772034][  T514] RIP: 0033:0x7ff2e21c4a4a
[ 48.772235][ T514] 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
[   48.772999][  T514] RSP: 002b:00007ffef8702a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.773290][  T514] RAX: ffffffffffffffda RBX: 000000002b234b00 RCX: 00007ff2e21c4a4a
[   48.773741][  T514] RDX: 0000000000000034 RSI: 000000002b234b00 RDI: 0000000000000005
[   48.774047][  T514] RBP: 000000002b234910 R08: 00007ff2e2368200 R09: 000000000000000c
[   48.774339][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.774686][  T514] R13: 000000002b234910 R14: 0000000000000000 R15: 0000000000000003
| [   48.798697][  T514] ------------[ cut here ]------------
| [ 48.799054][ T514] WARNING: CPU: 1 PID: 514 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) 
| [   48.799450][  T514] Modules linked in: netdevsim
| [   48.800023][  T514] Tainted: [W]=WARN
[   48.800179][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.800434][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.800692][ T514] 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
[   48.801386][  T514] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   48.801656][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.801950][  T514] RDX: 0000000000000000 RSI: ffff88800ac62c98 RDI: ffff88800599d080
[   48.802233][  T514] RBP: ffff88800b409840 R08: 0000000000000000 R09: fffffbfff537d83c
[   48.802560][  T514] R10: ffffffffa9bec1e7 R11: ffff88800599c5c0 R12: 0000000000000000
[   48.802973][  T514] R13: ffff88800ac62128 R14: ffff88800ac62008 R15: ffff88800ac62000
[   48.803378][  T514] FS:  00007ff2e1fb8800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   48.803788][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.804028][  T514] CR2: 00007ff2e2368200 CR3: 0000000009868001 CR4: 0000000000772ef0
[   48.804314][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.804623][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.804950][  T514] PKRU: 55555554
[   48.805120][  T514] Call Trace:
[   48.805264][  T514]  <TASK>
[ 48.805374][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.805571][ T514] ? __warn (kernel/panic.c:748) 
[ 48.805737][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.805985][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.806232][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.806437][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.806733][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.807021][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.807326][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.807675][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.808087][ T514] ? _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) 
[ 48.808426][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.808715][ T514] register_netdevice (net/core/dev.c:11003) 
[ 48.808918][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.809184][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.809419][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.809748][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.810068][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.810326][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.810634][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.810923][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.811183][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.811504][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.811707][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.812006][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 48.812217][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.812476][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.812861][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.813178][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.813610][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 48.813952][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.814279][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.814763][ T514] ? cap_capable (security/commoncap.c:131) 
[ 48.815094][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.815554][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.815898][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.816227][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.816653][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.817044][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.817456][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.817741][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.817929][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.818129][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.818332][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.818491][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.818722][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.818923][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.819111][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.819358][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.819631][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.819937][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.820268][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.820581][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.820954][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.821301][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.821653][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.821950][ T514] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 48.822171][ T514] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 48.822380][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.822626][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.822819][ T514] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 48.823069][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 48.823291][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.823570][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.823785][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.824024][  T514] RIP: 0033:0x7ff2e21c4a4a
[ 48.824227][ T514] 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
[   48.825032][  T514] RSP: 002b:00007ffef8702a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.825427][  T514] RAX: ffffffffffffffda RBX: 000000002b234b00 RCX: 00007ff2e21c4a4a
[   48.825814][  T514] RDX: 0000000000000034 RSI: 000000002b234b00 RDI: 0000000000000005
[   48.826095][  T514] RBP: 000000002b234910 R08: 00007ff2e2368200 R09: 000000000000000c
[   48.826398][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.826753][  T514] R13: 000000002b234910 R14: 0000000000000000 R15: 0000000000000003
| [   50.106998][  T533] ------------[ cut here ]------------
| [ 50.107451][ T533] WARNING: CPU: 2 PID: 533 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) 
| [   50.108213][  T533] Modules linked in: netdevsim
| [   50.109272][  T533] Tainted: [W]=WARN
[   50.110158][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.110636][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.111113][ T533] 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
[   50.112278][  T533] RSP: 0018:ffffc90000e571e8 EFLAGS: 00010246
[   50.112595][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   50.112964][  T533] RDX: 0000000000000000 RSI: ffff88800e47ac98 RDI: ffff888005230b00
[   50.113327][  T533] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   50.113699][  T533] R10: ffffffffa9bec1e7 R11: ffff888005230040 R12: 0000000000000000
[   50.114069][  T533] R13: ffff88800e47a128 R14: ffff88800e47a008 R15: ffff88800e47a000
[   50.114424][  T533] FS:  00007fe8f9c04800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   50.114847][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.115271][  T533] CR2: 00007fe8f9e60423 CR3: 0000000009eec003 CR4: 0000000000772ef0
[   50.115654][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   50.116038][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   50.116400][  T533] PKRU: 55555554
[   50.116625][  T533] Call Trace:
[   50.116827][  T533]  <TASK>
[ 50.116974][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.117228][ T533] ? __warn (kernel/panic.c:748) 
[ 50.117428][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.117692][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 50.117951][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 50.118148][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 50.118395][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 50.118665][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.118902][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 50.119287][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 50.119786][ T533] ? _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) 
[ 50.120196][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 50.120629][ T533] register_netdevice (net/core/dev.c:11003) 
[ 50.121021][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 50.121437][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 50.121730][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 50.122064][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 50.122390][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 50.122724][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 50.123050][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 50.123349][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 50.123672][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 50.124001][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 50.124262][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 50.124506][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.124777][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.125039][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 50.125298][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.125611][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 50.125870][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 50.126126][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 50.126428][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.126675][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 50.126924][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 50.127174][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 50.127418][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 50.127716][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.128055][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 50.128532][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 50.128866][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 50.129125][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 50.129371][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 50.129643][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 50.129826][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 50.130080][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 50.130324][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 50.130517][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 50.130772][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 50.131027][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 50.131288][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 50.131537][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 50.131787][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 50.132093][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 50.132351][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 50.132629][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 50.132897][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 50.133154][ T533] ? 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) 
[ 50.133402][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 50.133670][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 50.133925][ T533] ? 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) 
[ 50.134184][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 50.134428][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 50.134689][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 50.135008][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 50.135258][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.135558][  T533] RIP: 0033:0x7fe8f9e10a4a
[ 50.135827][ T533] 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
[   50.136672][  T533] RSP: 002b:00007fff1d6274f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   50.137058][  T533] RAX: ffffffffffffffda RBX: 000000000be09b00 RCX: 00007fe8f9e10a4a
[   50.137417][  T533] RDX: 000000000000003c RSI: 000000000be09b00 RDI: 0000000000000005
[   50.137784][  T533] RBP: 000000000be09910 R08: 00007fe8f9fb4200 R09: 000000000000000c
[   50.138164][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   50.138522][  T533] R13: 000000000be09910 R14: 0000000000000000 R15: 0000000000000003
| [   50.154783][  T533] ------------[ cut here ]------------
| [ 50.155156][ T533] WARNING: CPU: 3 PID: 533 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) 
| [   50.155801][  T533] Modules linked in: netdevsim
| [   50.156695][  T533] Tainted: [W]=WARN
[   50.156946][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.157353][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.157780][ T533] 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
[   50.158924][  T533] RSP: 0018:ffffc90000e571e8 EFLAGS: 00010246
[   50.159317][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   50.159784][  T533] RDX: 0000000000000000 RSI: ffff88800ba5ac98 RDI: ffff888005230b00
[   50.160243][  T533] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   50.160705][  T533] R10: ffffffffa9bec1e7 R11: ffff888005230040 R12: 0000000000000000
[   50.161170][  T533] R13: ffff88800ba5a128 R14: ffff88800ba5a008 R15: ffff88800ba5a000
[   50.161634][  T533] FS:  00007fe8f9c04800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   50.162164][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.162604][  T533] CR2: 00007fab547907d0 CR3: 0000000009eec005 CR4: 0000000000772ef0
[   50.163065][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   50.163531][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   50.164005][  T533] PKRU: 55555554
[   50.164241][  T533] Call Trace:
[   50.164476][  T533]  <TASK>
[ 50.164651][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.164974][ T533] ? __warn (kernel/panic.c:748) 
[ 50.165212][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.165531][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 50.165872][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 50.166113][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 50.166422][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 50.166768][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.167083][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 50.167410][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 50.167822][ T533] ? _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) 
[ 50.168148][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 50.168463][ T533] register_netdevice (net/core/dev.c:11003) 
[ 50.168799][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 50.169139][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 50.169480][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 50.169893][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 50.170321][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 50.170747][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 50.171162][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 50.171567][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 50.171962][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 50.172370][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 50.172700][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 50.173011][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.173329][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.173679][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 50.174013][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.174411][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 50.174763][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 50.175078][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 50.175490][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.176004][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 50.176328][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 50.176664][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 50.176986][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 50.177568][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.177968][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 50.178382][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 50.178710][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 50.179401][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 50.179733][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 50.180072][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 50.180705][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 50.181028][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 50.181369][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 50.181630][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 50.181946][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 50.182258][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 50.182581][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 50.182923][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 50.183229][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 50.183952][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 50.184293][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 50.184816][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 50.185164][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 50.185478][ T533] ? 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) 
[ 50.185804][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 50.186131][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 50.186669][ T533] ? 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) 
[ 50.186994][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 50.187310][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 50.187681][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 50.188065][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 50.188374][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.191002][  T533] RIP: 0033:0x7fe8f9e10a4a
[ 50.191383][ T533] Code: Unable to access opcode bytes at 0x7fe8f9e10a20.

Code starting with the faulting instruction
===========================================
[   50.191703][  T533] RSP: 002b:00007fff1d6274f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   50.192037][  T533] RAX: ffffffffffffffda RBX: 000000000be09b00 RCX: 00007fe8f9e10a4a
[   50.192359][  T533] RDX: 000000000000003c RSI: 000000000be09b00 RDI: 0000000000000005
[   50.192709][  T533] RBP: 000000000be09910 R08: 00007fe8f9fb4200 R09: 000000000000000c
[   50.193163][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   50.193489][  T533] R13: 000000000be09910 R14: 0000000000000000 R15: 0000000000000003
| [   50.207511][  T533] ------------[ cut here ]------------
| [ 50.207808][ T533] WARNING: CPU: 3 PID: 533 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) 
| [   50.208256][  T533] Modules linked in: netdevsim
| [   50.208859][  T533] Tainted: [W]=WARN
[   50.209026][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.209297][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.209574][ T533] 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
[   50.210370][  T533] RSP: 0018:ffffc90000e571e8 EFLAGS: 00010246
[   50.210663][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   50.210987][  T533] RDX: 0000000000000000 RSI: ffff88800e17ac98 RDI: ffff888005230b00
[   50.211314][  T533] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   50.211638][  T533] R10: ffffffffa9bec1e7 R11: ffff888005230040 R12: 0000000000000000
[   50.211953][  T533] R13: ffff88800e17a128 R14: ffff88800e17a008 R15: ffff88800e17a000
[   50.212264][  T533] FS:  00007fe8f9c04800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   50.212645][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.212914][  T533] CR2: 00007fe8f9e10a20 CR3: 0000000009eec005 CR4: 0000000000772ef0
[   50.213234][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   50.213553][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   50.213878][  T533] PKRU: 55555554
[   50.214054][  T533] Call Trace:
[   50.214218][  T533]  <TASK>
[ 50.214328][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.214545][ T533] ? __warn (kernel/panic.c:748) 
[ 50.214719][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.214959][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 50.215188][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 50.215361][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 50.215580][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 50.215816][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.216032][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 50.216248][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 50.216511][ T533] ? _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) 
[ 50.216735][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 50.216949][ T533] register_netdevice (net/core/dev.c:11003) 
[ 50.217195][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 50.217422][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 50.217676][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 50.217964][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 50.218248][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 50.218520][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 50.218800][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 50.219068][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 50.219331][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 50.219617][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 50.219835][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 50.220046][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.220260][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.220480][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 50.220704][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.220971][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 50.221202][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 50.221418][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 50.221714][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.221926][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 50.222154][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 50.222375][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 50.222601][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 50.222862][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.223122][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 50.223396][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 50.223627][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 50.223847][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 50.224065][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 50.224295][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 50.224461][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 50.224684][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 50.224902][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 50.225073][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 50.225300][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 50.225516][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 50.225754][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 50.225979][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 50.226192][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 50.226415][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 50.226650][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 50.226874][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 50.227099][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 50.227312][ T533] ? 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) 
[ 50.227534][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 50.227763][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 50.227984][ T533] ? 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) 
[ 50.228199][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 50.228422][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 50.228660][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 50.228936][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 50.229161][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.229425][  T533] RIP: 0033:0x7fe8f9e10a4a
[ 50.229672][ T533] Code: Unable to access opcode bytes at 0x7fe8f9e10a20.

Code starting with the faulting instruction
===========================================
[   50.229943][  T533] RSP: 002b:00007fff1d6274f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   50.230289][  T533] RAX: ffffffffffffffda RBX: 000000000be09b00 RCX: 00007fe8f9e10a4a
[   50.230622][  T533] RDX: 000000000000003c RSI: 000000000be09b00 RDI: 0000000000000005
[   50.230947][  T533] RBP: 000000000be09910 R08: 00007fe8f9fb4200 R09: 000000000000000c
[   50.231286][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   50.231610][  T533] R13: 000000000be09910 R14: 0000000000000000 R15: 0000000000000003
| [   50.258355][  T533] ------------[ cut here ]------------
| [ 50.258795][ T533] WARNING: CPU: 3 PID: 533 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) 
| [   50.259495][  T533] Modules linked in: netdevsim
| [   50.260411][  T533] Tainted: [W]=WARN
[   50.260872][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.261299][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.262025][ T533] 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
[   50.263445][  T533] RSP: 0018:ffffc90000e571e8 EFLAGS: 00010246
[   50.263929][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   50.264437][  T533] RDX: 0000000000000000 RSI: ffff88800d70ac98 RDI: ffff888005230b00
[   50.264911][  T533] RBP: ffffffffabd23440 R08: 0000000000000000 R09: fffffbfff537d83c
[   50.265424][  T533] R10: ffffffffa9bec1e7 R11: ffff888005230040 R12: 0000000000000000
[   50.265994][  T533] R13: ffff88800d70a128 R14: ffff88800d70a008 R15: ffff88800d70a000
[   50.266521][  T533] FS:  00007fe8f9c04800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   50.267171][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.267644][  T533] CR2: 00007fab547735a0 CR3: 0000000009eec005 CR4: 0000000000772ef0
[   50.268202][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   50.268766][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   50.269314][  T533] PKRU: 55555554
[   50.269612][  T533] Call Trace:
[   50.269884][  T533]  <TASK>
[ 50.270081][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.270425][ T533] ? __warn (kernel/panic.c:748) 
[ 50.270717][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.271111][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 50.271366][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 50.271526][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 50.271794][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 50.272020][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 50.272246][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 50.272464][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 50.272750][ T533] ? _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) 
[ 50.272966][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 50.273180][ T533] register_netdevice (net/core/dev.c:11003) 
[ 50.273394][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 50.273625][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 50.273852][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 50.274128][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 50.274411][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 50.274701][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 50.274984][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 50.275255][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 50.275518][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 50.275837][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 50.276054][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 50.276268][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.276487][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.276714][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 50.276932][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.277196][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 50.277428][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 50.277657][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 50.277932][ T533] ? cap_capable (security/commoncap.c:131) 
[ 50.278145][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 50.278364][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 50.278578][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 50.278801][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 50.279063][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.279319][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 50.279605][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 50.279839][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 50.280053][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 50.280276][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 50.280506][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 50.280677][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 50.280891][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 50.281121][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 50.281289][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 50.281502][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 50.281720][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 50.281945][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 50.282163][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 50.282371][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 50.282582][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 50.282812][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 50.283031][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 50.283247][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 50.283451][ T533] ? 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) 
[ 50.283675][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 50.283887][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 50.284105][ T533] ? 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) 
[ 50.284317][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 50.284526][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 50.284776][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 50.285040][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 50.285249][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.285517][  T533] RIP: 0033:0x7fe8f9e10a4a
[ 50.285751][ T533] Code: Unable to access opcode bytes at 0x7fe8f9e10a20.

Code starting with the faulting instruction
===========================================
[   50.286028][  T533] RSP: 002b:00007fff1d6274f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   50.286355][  T533] RAX: ffffffffffffffda RBX: 000000000be09b00 RCX: 00007fe8f9e10a4a
[   50.286685][  T533] RDX: 000000000000003c RSI: 000000000be09b00 RDI: 0000000000000005
[   50.287000][  T533] RBP: 000000000be09910 R08: 00007fe8f9fb4200 R09: 000000000000000c
[   50.287343][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200


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