======================================
| 0
| xx__-> [   10.080799][  T244] ------------[ cut here ]------------
| [ 10.082059][ T244] WARNING: CPU: 3 PID: 244 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) 
| [   10.082521][  T244] Modules linked in: netdevsim
[   10.083085][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.083448][ T244] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.083738][ T244] 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
[   10.084507][  T244] RSP: 0018:ffffc90000727520 EFLAGS: 00010246
[   10.084793][  T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.085134][  T244] RDX: 0000000000000000 RSI: ffff888002502c98 RDI: ffff88800b4b2e38
[   10.085478][  T244] RBP: ffff888009360040 R08: 0000000000000000 R09: fffffbfff187d83c
[   10.085808][  T244] R10: ffffffff8c3ec1e7 R11: ffff88800b4b2300 R12: 0000000000000000
[   10.086149][  T244] R13: ffff888002502128 R14: ffff888002502008 R15: ffff888002502000
[   10.086475][  T244] FS:  00007f49013fe740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.086854][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.087141][  T244] CR2: 000055d84fa41118 CR3: 000000000576e003 CR4: 0000000000772ef0
[   10.087469][  T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.087796][  T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.088139][  T244] PKRU: 55555554
[   10.088308][  T244] Call Trace:
[   10.088476][  T244]  <TASK>
[ 10.088606][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.088836][ T244] ? __warn (kernel/panic.c:748) 
[ 10.089006][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.089239][ T244] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.089465][ T244] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.089633][ T244] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.089849][ T244] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.090082][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.090321][ T244] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.090599][ T244] ? _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) 
[ 10.090823][ T244] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.091046][ T244] register_netdevice (net/core/dev.c:11003) 
[ 10.091289][ T244] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.091526][ T244] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.091761][ T244] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.092044][ T244] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.092229][ T244] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.092517][ T244] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.092797][ T244] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.093077][ T244] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.093318][ T244] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.093600][ T244] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.093825][ T244] ? 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)) 
[ 10.093989][ T244] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.094228][ T244] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.094454][ T244] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.094681][ T244] driver_probe_device (drivers/base/dd.c:830) 
[ 10.094898][ T244] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.095137][ T244] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.095407][ T244] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.095624][ T244] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.095839][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.096055][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.096288][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.096516][ T244] __device_attach (drivers/base/dd.c:1030) 
[ 10.096740][ T244] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.096957][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.097190][ T244] ? 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) 
[ 10.097420][ T244] bus_probe_device (drivers/base/bus.c:537) 
[ 10.097642][ T244] device_add (drivers/base/core.c:3672) 
[ 10.097866][ T244] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.098084][ T244] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.098331][ T244] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.098621][ T244] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.098905][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.099132][ T244] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.099359][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.099574][ T244] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.099797][ T244] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.099977][ T244] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.100214][ T244] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.100432][ T244] ? 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) 
[ 10.100660][ T244] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.100887][ T244] ksys_write (fs/read_write.c:731) 
[ 10.101057][ T244] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.101284][ T244] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.101511][ T244] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.101735][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.102006][  T244] RIP: 0033:0x7f490153fb77
[ 10.102246][ T244] 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
[   10.103003][  T244] RSP: 002b:00007ffeadcfadf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.103350][  T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f490153fb77
[   10.103679][  T244] RDX: 0000000000000005 RSI: 000055bc45ab52f0 RDI: 0000000000000001
[   10.104004][  T244] RBP: 000055bc45ab52f0 R08: 0000000000000004 R09: 0000000000000077
[   10.104344][  T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[   10.104677][  T244] R13: 00007f49015fb760 R14: 0000000000000005 R15: 00007f49015f69c0
| [   10.125391][  T244] ------------[ cut here ]------------
| [ 10.125721][ T244] WARNING: CPU: 0 PID: 244 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) 
| [   10.126184][  T244] Modules linked in: netdevsim
| [   10.126774][  T244] Tainted: [W]=WARN
[   10.126940][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.127219][ T244] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.127489][ T244] 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
[   10.128243][  T244] RSP: 0018:ffffc90000727520 EFLAGS: 00010246
[   10.128513][  T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.128843][  T244] RDX: 0000000000000000 RSI: ffff888005142c98 RDI: ffff88800b4b2e38
[   10.129179][  T244] RBP: ffff888009360040 R08: 0000000000000000 R09: fffffbfff187d83c
[   10.129499][  T244] R10: ffffffff8c3ec1e7 R11: ffff88800b4b2300 R12: 0000000000000000
[   10.129810][  T244] R13: ffff888005142128 R14: ffff888005142008 R15: ffff888005142000
[   10.130137][  T244] FS:  00007f49013fe740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.130529][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.130793][  T244] CR2: 00000000004060bb CR3: 000000000576e006 CR4: 0000000000772ef0
[   10.131105][  T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.131436][  T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.131756][  T244] PKRU: 55555554
[   10.131914][  T244] Call Trace:
[   10.132076][  T244]  <TASK>
[ 10.132201][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.132416][ T244] ? __warn (kernel/panic.c:748) 
[ 10.132581][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.132795][ T244] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.133017][ T244] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.133217][ T244] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.133439][ T244] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.133665][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.133896][ T244] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.134224][ T244] ? _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) 
[ 10.134447][ T244] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.134664][ T244] register_netdevice (net/core/dev.c:11003) 
[ 10.134881][ T244] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.135110][ T244] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.135356][ T244] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.135627][ T244] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.135792][ T244] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.136069][ T244] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.136350][ T244] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.136630][ T244] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.136855][ T244] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.137189][ T244] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.137416][ T244] ? 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)) 
[ 10.137578][ T244] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.137801][ T244] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.138024][ T244] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.138257][ T244] driver_probe_device (drivers/base/dd.c:830) 
[ 10.138470][ T244] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.138702][ T244] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.138961][ T244] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.139195][ T244] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.139407][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.139621][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.139838][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.140064][ T244] __device_attach (drivers/base/dd.c:1030) 
[ 10.140286][ T244] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.140494][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.140707][ T244] ? 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) 
[ 10.140929][ T244] bus_probe_device (drivers/base/bus.c:537) 
[ 10.141174][ T244] device_add (drivers/base/core.c:3672) 
[ 10.141398][ T244] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.141610][ T244] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.141845][ T244] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.142116][ T244] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.142407][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.142619][ T244] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.142841][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.143055][ T244] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.143285][ T244] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.143459][ T244] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.143674][ T244] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.143905][ T244] ? 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) 
[ 10.144143][ T244] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.144368][ T244] ksys_write (fs/read_write.c:731) 
[ 10.144535][ T244] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.144745][ T244] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.144969][ T244] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.145213][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.145477][  T244] RIP: 0033:0x7f490153fb77
[ 10.145704][ T244] 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
[   10.146444][  T244] RSP: 002b:00007ffeadcfadf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.146763][  T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f490153fb77
[   10.147073][  T244] RDX: 0000000000000005 RSI: 000055bc45ab52f0 RDI: 0000000000000001
[   10.147398][  T244] RBP: 000055bc45ab52f0 R08: 0000000000000004 R09: 0000000000000077
[   10.147710][  T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[   10.148022][  T244] R13: 00007f49015fb760 R14: 0000000000000005 R15: 00007f49015f69c0
| [   10.162213][  T244] ------------[ cut here ]------------
| [ 10.162448][ T244] WARNING: CPU: 0 PID: 244 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) 
| [   10.162867][  T244] Modules linked in: netdevsim
| [   10.163497][  T244] Tainted: [W]=WARN
[   10.163665][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.163926][ T244] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.164288][ T244] 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
[   10.165018][  T244] RSP: 0018:ffffc90000727520 EFLAGS: 00010246
[   10.165294][  T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.165604][  T244] RDX: 0000000000000000 RSI: ffff8880099cac98 RDI: ffff88800b4b2e38
[   10.165911][  T244] RBP: ffff888009360040 R08: 0000000000000000 R09: fffffbfff187d83c
[   10.166232][  T244] R10: ffffffff8c3ec1e7 R11: ffff88800b4b2300 R12: 0000000000000000
[   10.166547][  T244] R13: ffff8880099ca128 R14: ffff8880099ca008 R15: ffff8880099ca000
[   10.166855][  T244] FS:  00007f49013fe740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.167248][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.167514][  T244] CR2: 00000000004060bb CR3: 000000000576e006 CR4: 0000000000772ef0
[   10.167829][  T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.168150][  T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.168460][  T244] PKRU: 55555554
[   10.168625][  T244] Call Trace:
[   10.168783][  T244]  <TASK>
[ 10.168894][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.169107][ T244] ? __warn (kernel/panic.c:748) 
[ 10.169286][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.169501][ T244] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.169719][ T244] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.169881][ T244] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.170096][ T244] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.170336][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.170558][ T244] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.170830][ T244] ? _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) 
[ 10.171047][ T244] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.171294][ T244] register_netdevice (net/core/dev.c:11003) 
[ 10.171513][ T244] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.171736][ T244] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.171963][ T244] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.172257][ T244] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.172431][ T244] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.172712][ T244] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.172988][ T244] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.173279][ T244] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.173515][ T244] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.173801][ T244] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.174021][ T244] ? 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)) 
[ 10.174201][ T244] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.174428][ T244] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.174650][ T244] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.174868][ T244] driver_probe_device (drivers/base/dd.c:830) 
[ 10.175082][ T244] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.175422][ T244] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.175689][ T244] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.175899][ T244] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.176108][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.176337][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.176581][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.176818][ T244] __device_attach (drivers/base/dd.c:1030) 
[ 10.177063][ T244] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.177448][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.177667][ T244] ? 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) 
[ 10.177891][ T244] bus_probe_device (drivers/base/bus.c:537) 
[ 10.178106][ T244] device_add (drivers/base/core.c:3672) 
[ 10.178341][ T244] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.178561][ T244] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.178789][ T244] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.179068][ T244] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.179361][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.179574][ T244] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.179801][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.180024][ T244] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.180283][ T244] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.180471][ T244] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.180701][ T244] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.180925][ T244] ? 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) 
[ 10.181175][ T244] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.181415][ T244] ksys_write (fs/read_write.c:731) 
[ 10.181588][ T244] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.181807][ T244] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.182028][ T244] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.182262][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.182520][  T244] RIP: 0033:0x7f490153fb77
[ 10.182742][ T244] 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
[   10.183523][  T244] RSP: 002b:00007ffeadcfadf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.183849][  T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f490153fb77
[   10.184178][  T244] RDX: 0000000000000005 RSI: 000055bc45ab52f0 RDI: 0000000000000001
[   10.184515][  T244] RBP: 000055bc45ab52f0 R08: 0000000000000004 R09: 0000000000000077
[   10.184849][  T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[   10.185251][  T244] R13: 00007f49015fb760 R14: 0000000000000005 R15: 00007f49015f69c0
| [   10.207087][  T244] ------------[ cut here ]------------
| [ 10.207344][ T244] WARNING: CPU: 0 PID: 244 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) 
| [   10.207772][  T244] Modules linked in: netdevsim
| [   10.208414][  T244] Tainted: [W]=WARN
[   10.208586][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.208854][ T244] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.209163][ T244] 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
[   10.209892][  T244] RSP: 0018:ffffc90000727520 EFLAGS: 00010246
[   10.210200][  T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.210512][  T244] RDX: 0000000000000000 RSI: ffff888004e1ac98 RDI: ffff88800b4b2e38
[   10.210831][  T244] RBP: ffff888009360040 R08: 0000000000000000 R09: fffffbfff187d83c
[   10.211158][  T244] R10: ffffffff8c3ec1e7 R11: ffff88800b4b2300 R12: 0000000000000000
[   10.211470][  T244] R13: ffff888004e1a128 R14: ffff888004e1a008 R15: ffff888004e1a000
[   10.211785][  T244] FS:  00007f49013fe740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.212170][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.212440][  T244] CR2: 00000000004060bb CR3: 000000000576e006 CR4: 0000000000772ef0
[   10.212778][  T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.213087][  T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.213409][  T244] PKRU: 55555554
[   10.213570][  T244] Call Trace:
[   10.213736][  T244]  <TASK>
[ 10.213845][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.214053][ T244] ? __warn (kernel/panic.c:748) 
[ 10.214232][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.214445][ T244] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.214668][ T244] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.214832][ T244] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.215043][ T244] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.215284][ T244] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.215504][ T244] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.215770][ T244] ? _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) 
[ 10.215985][ T244] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.216231][ T244] register_netdevice (net/core/dev.c:11003) 
[ 10.216450][ T244] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.216679][ T244] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.216911][ T244] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.217204][ T244] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.217383][ T244] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.217684][ T244] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.217977][ T244] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.218287][ T244] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.218516][ T244] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.218793][ T244] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.219007][ T244] ? 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)) 
[ 10.219182][ T244] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.219402][ T244] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.219615][ T244] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.219833][ T244] driver_probe_device (drivers/base/dd.c:830) 
[ 10.220043][ T244] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.220287][ T244] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.220547][ T244] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.220758][ T244] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.220965][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.221189][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.221404][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.221620][ T244] __device_attach (drivers/base/dd.c:1030) 
[ 10.221834][ T244] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.222039][ T244] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.222268][ T244] ? 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) 
[ 10.222488][ T244] bus_probe_device (drivers/base/bus.c:537) 
[ 10.222703][ T244] device_add (drivers/base/core.c:3672) 
[ 10.222917][ T244] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.223146][ T244] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.223370][ T244] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.223640][ T244] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.223918][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.224156][ T244] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.224379][ T244] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.224597][ T244] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.224817][ T244] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.224984][ T244] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.225213][ T244] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.225422][ T244] ? 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) 
[ 10.225640][ T244] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.225858][ T244] ksys_write (fs/read_write.c:731) 
[ 10.226022][ T244] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.226249][ T244] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.226471][ T244] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.226683][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.226942][  T244] RIP: 0033:0x7f490153fb77
[ 10.227176][ T244] 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
[   10.227904][  T244] RSP: 002b:00007ffeadcfadf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.228244][  T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f490153fb77
[   10.228562][  T244] RDX: 0000000000000005 RSI: 000055bc45ab52f0 RDI: 0000000000000001
[   10.228873][  T244] RBP: 000055bc45ab52f0 R08: 0000000000000004 R09: 0000000000000077
[   10.229206][  T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005


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