======================================
| 0
| xx__-> [    9.993191][  T243] ------------[ cut here ]------------
| [ 9.993599][ T243] WARNING: CPU: 3 PID: 243 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) 
| [    9.994086][  T243] Modules linked in: netdevsim
[    9.994708][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.994980][ T243] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.995264][ T243] 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
[    9.995996][  T243] RSP: 0018:ffffc90000b57520 EFLAGS: 00010246
[    9.996275][  T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.996583][  T243] RDX: 0000000000000000 RSI: ffff8880090c2c98 RDI: ffff888005ac0b78
[    9.996896][  T243] RBP: ffff88800a1b8040 R08: 0000000000000000 R09: fffffbfff3c7d83c
[    9.997214][  T243] R10: ffffffff9e3ec1e7 R11: ffff888005ac0040 R12: 0000000000000000
[    9.997526][  T243] R13: ffff8880090c2128 R14: ffff8880090c2008 R15: ffff8880090c2000
[    9.997831][  T243] FS:  00007fb9eec31740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.998195][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.998457][  T243] CR2: 00005582d073b2f8 CR3: 0000000004d6e005 CR4: 0000000000772ef0
[    9.998763][  T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.999071][  T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.999390][  T243] PKRU: 55555554
[    9.999548][  T243] Call Trace:
[    9.999710][  T243]  <TASK>
[ 9.999819][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.000030][ T243] ? __warn (kernel/panic.c:748) 
[ 10.000201][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.000409][ T243] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.000620][ T243] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.000779][ T243] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.000982][ T243] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.001214][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.001430][ T243] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.001690][ T243] ? _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) 
[ 10.001902][ T243] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.002121][ T243] register_netdevice (net/core/dev.c:11003) 
[ 10.002338][ T243] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.002553][ T243] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.002775][ T243] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.003039][ T243] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.003206][ T243] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.003473][ T243] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.003734][ T243] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.003997][ T243] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.004223][ T243] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.004482][ T243] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.004692][ T243] ? 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)) 
[ 10.004847][ T243] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.005057][ T243] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.005281][ T243] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.005490][ T243] driver_probe_device (drivers/base/dd.c:830) 
[ 10.005704][ T243] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.005919][ T243] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.006177][ T243] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.006381][ T243] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.006583][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.006790][ T243] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.006994][ T243] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.007217][ T243] __device_attach (drivers/base/dd.c:1030) 
[ 10.007423][ T243] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.007625][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.007831][ T243] ? 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) 
[ 10.008046][ T243] bus_probe_device (drivers/base/bus.c:537) 
[ 10.008279][ T243] device_add (drivers/base/core.c:3672) 
[ 10.008489][ T243] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.008693][ T243] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.008914][ T243] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.009188][ T243] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.009455][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.009659][ T243] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.009870][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.010070][ T243] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.010295][ T243] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.010462][ T243] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.010669][ T243] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.010871][ T243] ? 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) 
[ 10.011082][ T243] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.011304][ T243] ksys_write (fs/read_write.c:731) 
[ 10.011460][ T243] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.011662][ T243] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.011880][ T243] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.012086][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.012344][  T243] RIP: 0033:0x7fb9eed72b77
[ 10.012555][ T243] 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
[   10.013276][  T243] RSP: 002b:00007ffeaa742248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.013588][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb9eed72b77
[   10.013892][  T243] RDX: 0000000000000005 RSI: 00005582d073a2f0 RDI: 0000000000000001
[   10.014206][  T243] RBP: 00005582d073a2f0 R08: 0000000000000004 R09: 0000000000000077
[   10.014514][  T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[   10.014816][  T243] R13: 00007fb9eee2e760 R14: 0000000000000005 R15: 00007fb9eee299c0
| [   10.029049][  T243] ------------[ cut here ]------------
| [ 10.029292][ T243] WARNING: CPU: 3 PID: 243 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) 
| [   10.029688][  T243] Modules linked in: netdevsim
| [   10.030260][  T243] Tainted: [W]=WARN
[   10.030420][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.030675][ T243] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.030930][ T243] 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
[   10.031675][  T243] RSP: 0018:ffffc90000b57520 EFLAGS: 00010246
[   10.031935][  T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.032251][  T243] RDX: 0000000000000000 RSI: ffff88800a212c98 RDI: ffff888005ac0b78
[   10.032550][  T243] RBP: ffff88800a1b8040 R08: 0000000000000000 R09: fffffbfff3c7d83c
[   10.032851][  T243] R10: ffffffff9e3ec1e7 R11: ffff888005ac0040 R12: 0000000000000000
[   10.033159][  T243] R13: ffff88800a212128 R14: ffff88800a212008 R15: ffff88800a212000
[   10.033464][  T243] FS:  00007fb9eec31740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.033809][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.034060][  T243] CR2: 00005582d073b2f8 CR3: 0000000004d6e005 CR4: 0000000000772ef0
[   10.034386][  T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.034691][  T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.034987][  T243] PKRU: 55555554
[   10.035150][  T243] Call Trace:
[   10.035303][  T243]  <TASK>
[ 10.035407][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.035609][ T243] ? __warn (kernel/panic.c:748) 
[ 10.035771][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.035982][ T243] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.036201][ T243] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.036358][ T243] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.036561][ T243] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.036778][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.036989][ T243] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.037266][ T243] ? _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) 
[ 10.037478][ T243] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.037686][ T243] register_netdevice (net/core/dev.c:11003) 
[ 10.037895][ T243] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.038140][ T243] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.038369][ T243] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.038627][ T243] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.038786][ T243] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.039053][ T243] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.039323][ T243] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.039584][ T243] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.039799][ T243] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.040053][ T243] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.040270][ T243] ? 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)) 
[ 10.040429][ T243] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.040638][ T243] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.040845][ T243] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.041051][ T243] driver_probe_device (drivers/base/dd.c:830) 
[ 10.041265][ T243] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.041470][ T243] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.041716][ T243] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.041922][ T243] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.042144][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.042350][ T243] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.042550][ T243] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.042758][ T243] __device_attach (drivers/base/dd.c:1030) 
[ 10.042960][ T243] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.043172][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.043615][ T243] ? 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) 
[ 10.043826][ T243] bus_probe_device (drivers/base/bus.c:537) 
[ 10.044030][ T243] device_add (drivers/base/core.c:3672) 
[ 10.044300][ T243] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.044505][ T243] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.044721][ T243] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.044984][ T243] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.045264][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.045467][ T243] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.045674][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.045884][ T243] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.046093][ T243] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.046286][ T243] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.046496][ T243] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.046703][ T243] ? 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) 
[ 10.046914][ T243] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.047136][ T243] ksys_write (fs/read_write.c:731) 
[ 10.047295][ T243] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.047494][ T243] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.047707][ T243] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.047912][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.048171][  T243] RIP: 0033:0x7fb9eed72b77
[ 10.048384][ T243] 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
[   10.049078][  T243] RSP: 002b:00007ffeaa742248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.049392][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb9eed72b77
[   10.049700][  T243] RDX: 0000000000000005 RSI: 00005582d073a2f0 RDI: 0000000000000001
[   10.049998][  T243] RBP: 00005582d073a2f0 R08: 0000000000000004 R09: 0000000000000077
[   10.050322][  T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[   10.050624][  T243] R13: 00007fb9eee2e760 R14: 0000000000000005 R15: 00007fb9eee299c0
| [   10.071609][  T243] ------------[ cut here ]------------
| [ 10.071907][ T243] WARNING: CPU: 3 PID: 243 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) 
| [   10.072324][  T243] Modules linked in: netdevsim
| [   10.072891][  T243] Tainted: [W]=WARN
[   10.073046][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.073312][ T243] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.073570][ T243] 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
[   10.074286][  T243] RSP: 0018:ffffc90000b57520 EFLAGS: 00010246
[   10.074541][  T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.074842][  T243] RDX: 0000000000000000 RSI: ffff88800b9bac98 RDI: ffff888005ac0b78
[   10.075168][  T243] RBP: ffff88800a1b8040 R08: 0000000000000000 R09: fffffbfff3c7d83c
[   10.075465][  T243] R10: ffffffff9e3ec1e7 R11: ffff888005ac0040 R12: 0000000000000000
[   10.075771][  T243] R13: ffff88800b9ba128 R14: ffff88800b9ba008 R15: ffff88800b9ba000
[   10.076068][  T243] FS:  00007fb9eec31740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.076443][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.076697][  T243] CR2: 00005582d073b2f8 CR3: 0000000004d6e005 CR4: 0000000000772ef0
[   10.076997][  T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.077303][  T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.077598][  T243] PKRU: 55555554
[   10.077758][  T243] Call Trace:
[   10.077908][  T243]  <TASK>
[ 10.078012][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.078220][ T243] ? __warn (kernel/panic.c:748) 
[ 10.078377][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.078580][ T243] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.078787][ T243] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.078942][ T243] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.079156][ T243] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.079371][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.079582][ T243] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.079843][ T243] ? _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) 
[ 10.080053][ T243] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.080286][ T243] register_netdevice (net/core/dev.c:11003) 
[ 10.080495][ T243] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.080714][ T243] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.080932][ T243] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.081200][ T243] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.081356][ T243] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.081621][ T243] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.081882][ T243] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.082156][ T243] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.082371][ T243] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.082624][ T243] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.082829][ T243] ? 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)) 
[ 10.082983][ T243] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.083400][ T243] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.083618][ T243] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.083833][ T243] driver_probe_device (drivers/base/dd.c:830) 
[ 10.084037][ T243] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.084269][ T243] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.084523][ T243] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.084735][ T243] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.084936][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.085151][ T243] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.085359][ T243] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.085568][ T243] __device_attach (drivers/base/dd.c:1030) 
[ 10.085784][ T243] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.085984][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.086364][ T243] ? 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) 
[ 10.086579][ T243] bus_probe_device (drivers/base/bus.c:537) 
[ 10.086785][ T243] device_add (drivers/base/core.c:3672) 
[ 10.086996][ T243] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.087213][ T243] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.087431][ T243] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.087694][ T243] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.087958][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.088174][ T243] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.088384][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.088592][ T243] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.088801][ T243] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.088962][ T243] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.089207][ T243] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.089410][ T243] ? 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) 
[ 10.089620][ T243] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.089828][ T243] ksys_write (fs/read_write.c:731) 
[ 10.089989][ T243] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.090200][ T243] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.090415][ T243] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.090619][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.090869][  T243] RIP: 0033:0x7fb9eed72b77
[ 10.091077][ T243] 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
[   10.091946][  T243] RSP: 002b:00007ffeaa742248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.092279][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb9eed72b77
[   10.092585][  T243] RDX: 0000000000000005 RSI: 00005582d073a2f0 RDI: 0000000000000001
[   10.092884][  T243] RBP: 00005582d073a2f0 R08: 0000000000000004 R09: 0000000000000077
[   10.093202][  T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[   10.093502][  T243] R13: 00007fb9eee2e760 R14: 0000000000000005 R15: 00007fb9eee299c0
| [   10.107188][  T243] ------------[ cut here ]------------
| [ 10.107405][ T243] WARNING: CPU: 3 PID: 243 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) 
| [   10.107802][  T243] Modules linked in: netdevsim
| [   10.108393][  T243] Tainted: [W]=WARN
[   10.108551][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.108800][ T243] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.109054][ T243] 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
[   10.109779][  T243] RSP: 0018:ffffc90000b57520 EFLAGS: 00010246
[   10.110038][  T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.110407][  T243] RDX: 0000000000000000 RSI: ffff888005022c98 RDI: ffff888005ac0b78
[   10.110709][  T243] RBP: ffff88800a1b8040 R08: 0000000000000000 R09: fffffbfff3c7d83c
[   10.111006][  T243] R10: ffffffff9e3ec1e7 R11: ffff888005ac0040 R12: 0000000000000000
[   10.111346][  T243] R13: ffff888005022128 R14: ffff888005022008 R15: ffff888005022000
[   10.111647][  T243] FS:  00007fb9eec31740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.111991][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.112254][  T243] CR2: 00005582d073b2f8 CR3: 0000000004d6e005 CR4: 0000000000772ef0
[   10.112559][  T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.112856][  T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.113167][  T243] PKRU: 55555554
[   10.113322][  T243] Call Trace:
[   10.113474][  T243]  <TASK>
[ 10.113579][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.113778][ T243] ? __warn (kernel/panic.c:748) 
[ 10.113938][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.114177][ T243] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.114387][ T243] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.114541][ T243] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.114744][ T243] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.114958][ T243] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.115179][ T243] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.115439][ T243] ? _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) 
[ 10.115647][ T243] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.115860][ T243] register_netdevice (net/core/dev.c:11003) 
[ 10.116068][ T243] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.116289][ T243] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.116507][ T243] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.116769][ T243] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.116923][ T243] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.117212][ T243] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.117476][ T243] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.117737][ T243] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.117951][ T243] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.118219][ T243] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.118427][ T243] ? 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)) 
[ 10.118582][ T243] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.118797][ T243] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.119005][ T243] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.119243][ T243] driver_probe_device (drivers/base/dd.c:830) 
[ 10.119447][ T243] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.119654][ T243] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.119905][ T243] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.120123][ T243] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.120328][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.120532][ T243] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.120733][ T243] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.120941][ T243] __device_attach (drivers/base/dd.c:1030) 
[ 10.121159][ T243] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.121363][ T243] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.121567][ T243] ? 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) 
[ 10.121778][ T243] bus_probe_device (drivers/base/bus.c:537) 
[ 10.121983][ T243] device_add (drivers/base/core.c:3672) 
[ 10.122222][ T243] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.122424][ T243] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.122639][ T243] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.122903][ T243] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.123175][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.123378][ T243] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.123588][ T243] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.123789][ T243] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.123998][ T243] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.124171][ T243] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.124384][ T243] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.124585][ T243] ? 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) 
[ 10.124797][ T243] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.125009][ T243] ksys_write (fs/read_write.c:731) 
[ 10.125189][ T243] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.125393][ T243] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.125607][ T243] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.125820][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.126066][  T243] RIP: 0033:0x7fb9eed72b77
[ 10.126283][ T243] 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
[   10.126977][  T243] RSP: 002b:00007ffeaa742248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.127319][  T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb9eed72b77
[   10.127620][  T243] RDX: 0000000000000005 RSI: 00005582d073a2f0 RDI: 0000000000000001
[   10.127921][  T243] RBP: 00005582d073a2f0 R08: 0000000000000004 R09: 0000000000000077
[   10.128228][  T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005


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