======================================
| 0
| xx__-> [    9.756277][  T245] ------------[ cut here ]------------
| [ 9.756629][ T245] WARNING: CPU: 3 PID: 245 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) 
| [    9.757069][  T245] Modules linked in: netdevsim
[    9.757747][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.758022][ T245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.758333][ T245] 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
[    9.759112][  T245] RSP: 0018:ffffc90000827520 EFLAGS: 00010246
[    9.759424][  T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.759749][  T245] RDX: 0000000000000000 RSI: ffff88800c112c98 RDI: ffff88800aefae38
[    9.760074][  T245] RBP: ffff88800ac98040 R08: 0000000000000000 R09: fffffbfff68bd83c
[    9.760410][  T245] R10: ffffffffb45ec1e7 R11: ffff88800aefa300 R12: 0000000000000000
[    9.760735][  T245] R13: ffff88800c112128 R14: ffff88800c112008 R15: ffff88800c112000
[    9.761061][  T245] FS:  00007ff67b6e5740(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[    9.761448][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.761721][  T245] CR2: 00005559f3a752f8 CR3: 000000000c270003 CR4: 0000000000772ef0
[    9.762046][  T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.762393][  T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.762719][  T245] PKRU: 55555554
[    9.762887][  T245] Call Trace:
[    9.763057][  T245]  <TASK>
[ 9.763186][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.763408][ T245] ? __warn (kernel/panic.c:748) 
[ 9.763575][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.763795][ T245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.764022][ T245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.764200][ T245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.764419][ T245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.764649][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.764883][ T245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.765168][ T245] ? _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) 
[ 9.765402][ T245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.765626][ T245] register_netdevice (net/core/dev.c:11003) 
[ 9.765853][ T245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.766083][ T245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.766345][ T245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.766622][ T245] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.766789][ T245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.767070][ T245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.767360][ T245] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.767643][ T245] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.767874][ T245] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.768162][ T245] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.768386][ T245] ? 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)) 
[ 9.768551][ T245] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.768777][ T245] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.769012][ T245] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.769246][ T245] driver_probe_device (drivers/base/dd.c:830) 
[ 9.769467][ T245] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.769691][ T245] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.769964][ T245] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.770206][ T245] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.770526][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.770746][ T245] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.770963][ T245] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.771201][ T245] __device_attach (drivers/base/dd.c:1030) 
[ 9.771419][ T245] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.771634][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.771854][ T245] ? 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) 
[ 9.772098][ T245] bus_probe_device (drivers/base/bus.c:537) 
[ 9.772319][ T245] device_add (drivers/base/core.c:3672) 
[ 9.772539][ T245] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.772759][ T245] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.772989][ T245] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.773276][ T245] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.773559][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.773782][ T245] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.774007][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.774244][ T245] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.774477][ T245] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.774651][ T245] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.774874][ T245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.775101][ T245] ? 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) 
[ 9.775332][ T245] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.775563][ T245] ksys_write (fs/read_write.c:731) 
[ 9.775730][ T245] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.775944][ T245] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.776182][ T245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.776402][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.776667][  T245] RIP: 0033:0x7ff67b826b77
[ 9.776896][ T245] 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
[    9.777660][  T245] RSP: 002b:00007ffe53936e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.777991][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff67b826b77
[    9.778340][  T245] RDX: 0000000000000005 RSI: 00005559f3a742f0 RDI: 0000000000000001
[    9.778668][  T245] RBP: 00005559f3a742f0 R08: 0000000000000004 R09: 0000000000000077
[    9.778999][  T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[    9.779336][  T245] R13: 00007ff67b8e2760 R14: 0000000000000005 R15: 00007ff67b8dd9c0
| [    9.790995][  T245] ------------[ cut here ]------------
| [ 9.792052][ T245] WARNING: CPU: 3 PID: 245 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) 
| [    9.792581][  T245] Modules linked in: netdevsim
| [    9.793284][  T245] Tainted: [W]=WARN
[    9.793458][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.793727][ T245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.793999][ T245] 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
[    9.794859][  T245] RSP: 0018:ffffc90000827520 EFLAGS: 00010246
[    9.795230][  T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.795553][  T245] RDX: 0000000000000000 RSI: ffff888006162c98 RDI: ffff88800aefae38
[    9.795876][  T245] RBP: ffff88800ac98040 R08: 0000000000000000 R09: fffffbfff68bd83c
[    9.796291][  T245] R10: ffffffffb45ec1e7 R11: ffff88800aefa300 R12: 0000000000000000
[    9.796612][  T245] R13: ffff888006162128 R14: ffff888006162008 R15: ffff888006162000
[    9.796932][  T245] FS:  00007ff67b6e5740(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[    9.797394][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.797670][  T245] CR2: 00005559f3a752f8 CR3: 000000000c270003 CR4: 0000000000772ef0
[    9.797992][  T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.798413][  T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.798733][  T245] PKRU: 55555554
[    9.798905][  T245] Call Trace:
[    9.799185][  T245]  <TASK>
[ 9.799300][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.799518][ T245] ? __warn (kernel/panic.c:748) 
[ 9.799687][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.799913][ T245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.800230][ T245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.800398][ T245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.800619][ T245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.800853][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.801081][ T245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.801455][ T245] ? _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) 
[ 9.801681][ T245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.801904][ T245] register_netdevice (net/core/dev.c:11003) 
[ 9.802230][ T245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.802463][ T245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.802702][ T245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.802981][ T245] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.803243][ T245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.803530][ T245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.803809][ T245] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.804187][ T245] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.804425][ T245] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.804700][ T245] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.804922][ T245] ? 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)) 
[ 9.805181][ T245] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.805408][ T245] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.805631][ T245] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.805854][ T245] driver_probe_device (drivers/base/dd.c:830) 
[ 9.806076][ T245] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.806399][ T245] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.806669][ T245] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.806889][ T245] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.807196][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.807417][ T245] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.807634][ T245] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.807864][ T245] __device_attach (drivers/base/dd.c:1030) 
[ 9.808080][ T245] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.808394][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.808614][ T245] ? 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) 
[ 9.808840][ T245] bus_probe_device (drivers/base/bus.c:537) 
[ 9.809070][ T245] device_add (drivers/base/core.c:3672) 
[ 9.809386][ T245] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.809609][ T245] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.809838][ T245] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.810225][ T245] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.810511][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.810729][ T245] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.810955][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.811262][ T245] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.811492][ T245] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.811667][ T245] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.811892][ T245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.812203][ T245] ? 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) 
[ 9.812430][ T245] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.812660][ T245] ksys_write (fs/read_write.c:731) 
[ 9.812828][ T245] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.813049][ T245] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.813380][ T245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.813610][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.813879][  T245] RIP: 0033:0x7ff67b826b77
[ 9.814209][ T245] 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
[    9.814971][  T245] RSP: 002b:00007ffe53936e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.815395][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff67b826b77
[    9.815721][  T245] RDX: 0000000000000005 RSI: 00005559f3a742f0 RDI: 0000000000000001
[    9.816044][  T245] RBP: 00005559f3a742f0 R08: 0000000000000004 R09: 0000000000000077
[    9.816465][  T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[    9.816792][  T245] R13: 00007ff67b8e2760 R14: 0000000000000005 R15: 00007ff67b8dd9c0
| [    9.828518][  T245] ------------[ cut here ]------------
| [ 9.828759][ T245] WARNING: CPU: 1 PID: 245 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) 
| [    9.829209][  T245] Modules linked in: netdevsim
| [    9.829810][  T245] Tainted: [W]=WARN
[    9.829984][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.830266][ T245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.830542][ T245] 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
[    9.831321][  T245] RSP: 0018:ffffc90000827520 EFLAGS: 00010246
[    9.831601][  T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.831922][  T245] RDX: 0000000000000000 RSI: ffff88800afeac98 RDI: ffff88800aefae38
[    9.832255][  T245] RBP: ffff88800ac98040 R08: 0000000000000000 R09: fffffbfff68bd83c
[    9.832577][  T245] R10: ffffffffb45ec1e7 R11: ffff88800aefa300 R12: 0000000000000000
[    9.832901][  T245] R13: ffff88800afea128 R14: ffff88800afea008 R15: ffff88800afea000
[    9.833272][  T245] FS:  00007ff67b6e5740(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[    9.833648][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.833918][  T245] CR2: 00005588dd6ce900 CR3: 000000000c270004 CR4: 0000000000772ef0
[    9.834252][  T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.834579][  T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.834898][  T245] PKRU: 55555554
[    9.835061][  T245] Call Trace:
[    9.835235][  T245]  <TASK>
[ 9.835349][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.835568][ T245] ? __warn (kernel/panic.c:748) 
[ 9.835737][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.835962][ T245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.836197][ T245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.836363][ T245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.836580][ T245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.836811][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.837040][ T245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.837342][ T245] ? _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) 
[ 9.837573][ T245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.837796][ T245] register_netdevice (net/core/dev.c:11003) 
[ 9.838019][ T245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.838260][ T245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.838496][ T245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.838776][ T245] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.838954][ T245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.839252][ T245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.839534][ T245] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.839814][ T245] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.840044][ T245] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.840333][ T245] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.840562][ T245] ? 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)) 
[ 9.840727][ T245] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.840953][ T245] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.841198][ T245] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.841421][ T245] driver_probe_device (drivers/base/dd.c:830) 
[ 9.841640][ T245] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.841862][ T245] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.842147][ T245] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.842366][ T245] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.842583][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.842801][ T245] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.843020][ T245] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.843255][ T245] __device_attach (drivers/base/dd.c:1030) 
[ 9.843475][ T245] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.843696][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.843915][ T245] ? 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) 
[ 9.844153][ T245] bus_probe_device (drivers/base/bus.c:537) 
[ 9.844378][ T245] device_add (drivers/base/core.c:3672) 
[ 9.844602][ T245] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.844819][ T245] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.845052][ T245] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.845355][ T245] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.845645][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.845864][ T245] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.846286][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.846517][ T245] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.846746][ T245] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.846920][ T245] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.847160][ T245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.847388][ T245] ? 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) 
[ 9.847620][ T245] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.847845][ T245] ksys_write (fs/read_write.c:731) 
[ 9.848012][ T245] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.848242][ T245] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.848474][ T245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.848695][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.848983][  T245] RIP: 0033:0x7ff67b826b77
[ 9.849236][ T245] 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
[    9.849988][  T245] RSP: 002b:00007ffe53936e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.850325][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff67b826b77
[    9.850649][  T245] RDX: 0000000000000005 RSI: 00005559f3a742f0 RDI: 0000000000000001
[    9.850969][  T245] RBP: 00005559f3a742f0 R08: 0000000000000004 R09: 0000000000000077
[    9.851307][  T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[    9.851630][  T245] R13: 00007ff67b8e2760 R14: 0000000000000005 R15: 00007ff67b8dd9c0
| [    9.863277][  T245] ------------[ cut here ]------------
| [ 9.863516][ T245] WARNING: CPU: 0 PID: 245 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) 
| [    9.863937][  T245] Modules linked in: netdevsim
| [    9.864532][  T245] Tainted: [W]=WARN
[    9.864693][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.864949][ T245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.865248][ T245] 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
[    9.865997][  T245] RSP: 0018:ffffc90000827520 EFLAGS: 00010246
[    9.866283][  T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.866596][  T245] RDX: 0000000000000000 RSI: ffff88800998ac98 RDI: ffff88800aefae38
[    9.866916][  T245] RBP: ffff88800ac98040 R08: 0000000000000000 R09: fffffbfff68bd83c
[    9.867268][  T245] R10: ffffffffb45ec1e7 R11: ffff88800aefa300 R12: 0000000000000000
[    9.867582][  T245] R13: ffff88800998a128 R14: ffff88800998a008 R15: ffff88800998a000
[    9.867891][  T245] FS:  00007ff67b6e5740(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[    9.868268][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.868534][  T245] CR2: 00005588fb778540 CR3: 000000000c270004 CR4: 0000000000772ef0
[    9.868886][  T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.869226][  T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.869551][  T245] PKRU: 55555554
[    9.869715][  T245] Call Trace:
[    9.869879][  T245]  <TASK>
[ 9.869992][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.870231][ T245] ? __warn (kernel/panic.c:748) 
[ 9.870402][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.870621][ T245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.870846][ T245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.871012][ T245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.871295][ T245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.871527][ T245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.871767][ T245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.872046][ T245] ? _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) 
[ 9.872277][ T245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.872500][ T245] register_netdevice (net/core/dev.c:11003) 
[ 9.872727][ T245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.872957][ T245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.873207][ T245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.873470][ T245] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.873625][ T245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.873898][ T245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.874169][ T245] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.874439][ T245] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.874667][ T245] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.874929][ T245] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.875152][ T245] ? 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)) 
[ 9.875307][ T245] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.875519][ T245] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.875736][ T245] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.875953][ T245] driver_probe_device (drivers/base/dd.c:830) 
[ 9.876168][ T245] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.876377][ T245] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.876625][ T245] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.876830][ T245] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.877031][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.877260][ T245] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.877462][ T245] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.877677][ T245] __device_attach (drivers/base/dd.c:1030) 
[ 9.877883][ T245] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.878098][ T245] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.878304][ T245] ? 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) 
[ 9.878517][ T245] bus_probe_device (drivers/base/bus.c:537) 
[ 9.878742][ T245] device_add (drivers/base/core.c:3672) 
[ 9.878956][ T245] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.879177][ T245] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.879393][ T245] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.879656][ T245] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.879924][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.880148][ T245] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.880361][ T245] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.880564][ T245] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.880778][ T245] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.880940][ T245] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.881162][ T245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.881365][ T245] ? 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) 
[ 9.881588][ T245] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.881804][ T245] ksys_write (fs/read_write.c:731) 
[ 9.881965][ T245] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.882178][ T245] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.882395][ T245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.882600][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.882866][  T245] RIP: 0033:0x7ff67b826b77
[ 9.883074][ T245] 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
[    9.883795][  T245] RSP: 002b:00007ffe53936e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.884111][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff67b826b77
[    9.884423][  T245] RDX: 0000000000000005 RSI: 00005559f3a742f0 RDI: 0000000000000001
[    9.884727][  T245] RBP: 00005559f3a742f0 R08: 0000000000000004 R09: 0000000000000077
[    9.885029][  T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005


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