======================================
| 0
| xx__-> [   12.249697][  T227] ------------[ cut here ]------------
| [ 12.250311][ T227] WARNING: CPU: 1 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.250983][  T227] Modules linked in: netdevsim
[   12.251954][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.252949][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.253415][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.254578][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[   12.255014][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.255512][  T227] RDX: 0000000000000000 RSI: ffff888002622c98 RDI: ffff88800936d0a8
[   12.256016][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[   12.256496][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[   12.257016][  T227] R13: ffff888002622128 R14: ffff888002622008 R15: ffff888002622000
[   12.257632][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   12.258346][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.258795][  T227] CR2: 0000562199b5647c CR3: 000000000a0be005 CR4: 0000000000772ef0
[   12.259222][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.259593][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.259935][  T227] PKRU: 55555554
[   12.260402][  T227] Call Trace:
[   12.260590][  T227]  <TASK>
[ 12.260711][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.260950][ T227] ? __warn (kernel/panic.c:748) 
[ 12.261144][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.261392][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.261627][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.261803][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.262049][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.262299][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.262535][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.262821][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 12.263069][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.263334][ T227] register_netdevice (net/core/dev.c:11003) 
[ 12.263641][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.263881][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.264137][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.264437][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.264745][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 12.265049][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 12.265276][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 12.265510][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 12.265796][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 12.266035][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 12.266263][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 12.266486][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 12.266712][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 12.266893][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 12.267134][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.267372][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 12.267613][ T227] ksys_write (fs/read_write.c:731) 
[ 12.267785][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 12.268034][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.268261][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.268533][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 12.268773][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   12.269589][  T227] RSP: 002b:00007ffd4be31948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.269924][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[   12.270266][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[   12.270604][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[   12.270935][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[   12.271277][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  158.679745][  T227] ------------[ cut here ]------------
| [ 158.680049][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  158.680452][  T227] Modules linked in: netdevsim
| [  158.681081][  T227] Tainted: [W]=WARN
[  158.681249][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 158.681512][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 158.681772][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  158.682445][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  158.682707][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  158.683010][  T227] RDX: 0000000000000000 RSI: ffff88800ab22c98 RDI: ffff88800936d0a8
[  158.683300][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  158.683601][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  158.683895][  T227] R13: ffff88800ab22128 R14: ffff88800ab22008 R15: ffff88800ab22000
[  158.684201][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  158.684553][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.684806][  T227] CR2: 0000562199b7b4f8 CR3: 000000000a0be005 CR4: 0000000000772ef0
[  158.685115][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  158.685410][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  158.685711][  T227] PKRU: 55555554
[  158.685871][  T227] Call Trace:
[  158.686036][  T227]  <TASK>
[ 158.686152][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 158.686355][ T227] ? __warn (kernel/panic.c:748) 
[ 158.686535][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 158.686753][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 158.686961][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 158.687136][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 158.687335][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 158.687569][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 158.687780][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 158.688038][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 158.688247][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 158.688453][ T227] register_netdevice (net/core/dev.c:11003) 
[ 158.688674][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 158.688891][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 158.689162][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 158.689421][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 158.689693][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 158.689955][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 158.690171][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 158.690387][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 158.690644][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 158.690847][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 158.691056][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 158.691267][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 158.691477][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 158.691646][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 158.691850][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 158.692081][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 158.692302][ T227] ksys_write (fs/read_write.c:731) 
[ 158.692463][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 158.692676][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 158.692881][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  158.693153][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 158.693369][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  158.694053][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  158.694365][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  158.694665][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  158.694956][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  158.695256][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  158.695551][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  160.341182][  T227] ------------[ cut here ]------------
| [ 160.341541][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  160.342061][  T227] Modules linked in: netdevsim
| [  160.342804][  T227] Tainted: [W]=WARN
[  160.343016][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.343309][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 160.343633][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  160.344519][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  160.344891][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  160.345422][  T227] RDX: 0000000000000000 RSI: ffff88800da2ac98 RDI: ffff88800936d0a8
[  160.345842][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  160.346273][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  160.346659][  T227] R13: ffff88800da2a128 R14: ffff88800da2a008 R15: ffff88800da2a000
[  160.347073][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  160.347503][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.347810][  T227] CR2: 0000562199b5647c CR3: 000000000a0be001 CR4: 0000000000772ef0
[  160.348181][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  160.348565][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  160.348965][  T227] PKRU: 55555554
[  160.349181][  T227] Call Trace:
[  160.349373][  T227]  <TASK>
[ 160.349508][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 160.349757][ T227] ? __warn (kernel/panic.c:748) 
[ 160.349954][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 160.350230][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 160.350528][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 160.350778][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 160.351103][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 160.351353][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 160.351610][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 160.351913][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 160.352182][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 160.352446][ T227] register_netdevice (net/core/dev.c:11003) 
[ 160.352698][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 160.352938][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 160.353197][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 160.353488][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 160.353800][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 160.354123][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 160.354367][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 160.354635][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 160.354947][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 160.355211][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 160.355465][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 160.355739][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 160.356008][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 160.356210][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 160.356464][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 160.356727][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 160.356980][ T227] ksys_write (fs/read_write.c:731) 
[ 160.357186][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 160.357431][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 160.357701][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.358014][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 160.358260][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  160.359077][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  160.359461][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  160.359814][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  160.360180][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  160.360545][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  160.360881][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  161.898700][  T227] ------------[ cut here ]------------
| [ 161.899036][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  161.899499][  T227] Modules linked in: netdevsim
| [  161.900324][  T227] Tainted: [W]=WARN
[  161.900522][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.900853][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 161.901213][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  161.902039][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  161.902395][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  161.902770][  T227] RDX: 0000000000000000 RSI: ffff888004fe2c98 RDI: ffff88800936d0a8
[  161.903153][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  161.903496][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  161.903861][  T227] R13: ffff888004fe2128 R14: ffff888004fe2008 R15: ffff888004fe2000
[  161.904214][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  161.904678][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.905042][  T227] CR2: 0000562199b5647c CR3: 000000000a0be001 CR4: 0000000000772ef0
[  161.905387][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  161.905773][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  161.906241][  T227] PKRU: 55555554
[  161.906489][  T227] Call Trace:
[  161.906696][  T227]  <TASK>
[ 161.906835][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 161.907125][ T227] ? __warn (kernel/panic.c:748) 
[ 161.907327][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 161.907638][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 161.907914][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 161.908159][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 161.908417][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 161.908704][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 161.908960][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 161.909285][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 161.909553][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 161.909795][ T227] register_netdevice (net/core/dev.c:11003) 
[ 161.910105][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 161.910382][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 161.910634][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 161.910963][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 161.911421][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 161.911812][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 161.912179][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 161.912495][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 161.912871][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 161.913254][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 161.913664][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 161.914125][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 161.914520][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 161.914972][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 161.915567][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 161.916108][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 161.916595][ T227] ksys_write (fs/read_write.c:731) 
[ 161.916988][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 161.917519][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 161.917933][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  161.918500][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 161.919045][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  161.920122][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  161.920748][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  161.921264][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  161.921627][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  161.921987][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  161.922406][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  163.563465][  T227] ------------[ cut here ]------------
| [ 163.563738][ T227] WARNING: CPU: 1 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  163.564398][  T227] Modules linked in: netdevsim
| [  163.565006][  T227] Tainted: [W]=WARN
[  163.565155][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.565403][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 163.565647][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  163.566390][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  163.566649][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  163.567040][  T227] RDX: 0000000000000000 RSI: ffff888002332c98 RDI: ffff88800936d0a8
[  163.567351][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  163.567658][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  163.567962][  T227] R13: ffff888002332128 R14: ffff888002332008 R15: ffff888002332000
[  163.568297][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  163.568686][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.568948][  T227] CR2: 0000562199b88018 CR3: 000000000a0be006 CR4: 0000000000772ef0
[  163.569283][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  163.569590][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  163.569904][  T227] PKRU: 55555554
[  163.570127][  T227] Call Trace:
[  163.570288][  T227]  <TASK>
[ 163.570398][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 163.570606][ T227] ? __warn (kernel/panic.c:748) 
[ 163.570763][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 163.570975][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 163.571206][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 163.571371][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 163.571578][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 163.571796][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 163.572030][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 163.572296][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 163.572508][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 163.572718][ T227] register_netdevice (net/core/dev.c:11003) 
[ 163.572934][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 163.573174][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 163.573396][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 163.573663][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 163.573942][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 163.574230][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 163.574449][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 163.574664][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 163.574926][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 163.575159][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 163.575368][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 163.575576][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 163.575787][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 163.575960][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 163.576197][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 163.576419][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 163.576634][ T227] ksys_write (fs/read_write.c:731) 
[ 163.576792][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 163.577033][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 163.577242][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.577497][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 163.577712][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  163.578430][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  163.578746][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  163.579072][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  163.579371][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  163.579667][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  163.579961][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  165.122904][  T227] ------------[ cut here ]------------
| [ 165.124415][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  165.125092][  T227] Modules linked in: netdevsim
| [  165.126075][  T227] Tainted: [W]=WARN
[  165.126320][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 165.126704][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 165.127112][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  165.128265][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  165.128681][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  165.129170][  T227] RDX: 0000000000000000 RSI: ffff88800da22c98 RDI: ffff88800936d0a8
[  165.129464][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  165.129741][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  165.130074][  T227] R13: ffff88800da22128 R14: ffff88800da22008 R15: ffff88800da22000
[  165.130349][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  165.130715][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  165.130977][  T227] CR2: 0000562199b7b5e8 CR3: 000000000a0be006 CR4: 0000000000772ef0
[  165.131271][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  165.131623][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  165.131909][  T227] PKRU: 55555554
[  165.132125][  T227] Call Trace:
[  165.132340][  T227]  <TASK>
[ 165.132526][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 165.132726][ T227] ? __warn (kernel/panic.c:748) 
[ 165.132875][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 165.133088][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 165.133283][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 165.133430][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 165.133618][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 165.133823][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 165.134042][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 165.134281][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 165.134481][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 165.134678][ T227] register_netdevice (net/core/dev.c:11003) 
[ 165.134875][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 165.135097][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 165.135303][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 165.135579][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 165.135876][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 165.136179][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 165.136368][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 165.136567][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 165.136825][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 165.137032][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 165.137226][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 165.137417][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 165.137642][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 165.137800][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 165.138023][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 165.138222][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 165.138418][ T227] ksys_write (fs/read_write.c:731) 
[ 165.138567][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 165.138779][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 165.138978][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  165.139226][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 165.139459][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  165.140172][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  165.140459][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  165.140761][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  165.141064][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  165.141395][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  165.141674][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  166.662905][  T227] ------------[ cut here ]------------
| [ 166.663304][ T227] WARNING: CPU: 1 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  166.663750][  T227] Modules linked in: netdevsim
| [  166.664549][  T227] Tainted: [W]=WARN
[  166.664719][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 166.665080][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 166.665362][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  166.666208][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  166.666473][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  166.666781][  T227] RDX: 0000000000000000 RSI: ffff888002622c98 RDI: ffff88800936d0a8
[  166.667188][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  166.667500][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  166.667809][  T227] R13: ffff888002622128 R14: ffff888002622008 R15: ffff888002622000
[  166.668323][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  166.668711][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  166.668966][  T227] CR2: 00007fc5e93449d0 CR3: 000000000a0be001 CR4: 0000000000772ef0
[  166.669467][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  166.669799][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  166.670250][  T227] PKRU: 55555554
[  166.670420][  T227] Call Trace:
[  166.670592][  T227]  <TASK>
[ 166.670709][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 166.670930][ T227] ? __warn (kernel/panic.c:748) 
[ 166.671205][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 166.671427][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 166.671664][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 166.671836][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 166.672252][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 166.672499][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 166.672747][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 166.673170][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 166.673399][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 166.673624][ T227] register_netdevice (net/core/dev.c:11003) 
[ 166.673851][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 166.674202][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 166.674633][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 166.674922][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 166.675376][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 166.675656][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 166.675873][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 166.676250][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 166.676523][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 166.676733][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 166.676956][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 166.677275][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 166.677501][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 166.677673][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 166.677894][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 166.678235][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 166.678465][ T227] ksys_write (fs/read_write.c:731) 
[ 166.678649][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 166.678876][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 166.679215][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  166.679485][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 166.679708][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  166.680562][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  166.680889][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  166.681245][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  166.681573][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  166.681890][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  166.682226][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  168.309316][  T227] ------------[ cut here ]------------
| [ 168.309703][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  168.310396][  T227] Modules linked in: netdevsim
| [  168.311410][  T227] Tainted: [W]=WARN
[  168.311655][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 168.312096][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 168.312536][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  168.313665][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  168.314167][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  168.314672][  T227] RDX: 0000000000000000 RSI: ffff88800ab22c98 RDI: ffff88800936d0a8
[  168.315200][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  168.315685][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  168.316171][  T227] R13: ffff88800ab22128 R14: ffff88800ab22008 R15: ffff88800ab22000
[  168.316636][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  168.317202][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  168.317586][  T227] CR2: 0000562199b5647c CR3: 000000000a0be002 CR4: 0000000000772ef0
[  168.318078][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  168.318553][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  168.319057][  T227] PKRU: 55555554
[  168.319302][  T227] Call Trace:
[  168.319556][  T227]  <TASK>
[ 168.319731][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 168.320071][ T227] ? __warn (kernel/panic.c:748) 
[ 168.320326][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 168.320652][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 168.321037][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 168.321291][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 168.321622][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 168.321958][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 168.322321][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 168.322738][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 168.323086][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 168.323425][ T227] register_netdevice (net/core/dev.c:11003) 
[ 168.323759][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 168.324119][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 168.324499][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 168.324926][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 168.325390][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 168.325831][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 168.326188][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 168.326541][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 168.326960][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 168.327304][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 168.327631][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 168.327966][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 168.328327][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 168.328603][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 168.328948][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 168.329307][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 168.329645][ T227] ksys_write (fs/read_write.c:731) 
[ 168.329895][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 168.330260][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 168.330598][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  168.331054][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 168.331405][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  168.332641][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  168.333163][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  168.333669][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  168.334157][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  168.334622][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  168.335119][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  169.874612][  T227] ------------[ cut here ]------------
| [ 169.874987][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  169.875657][  T227] Modules linked in: netdevsim
| [  169.876882][  T227] Tainted: [W]=WARN
[  169.877260][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.877653][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 169.878246][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  169.879515][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  169.879921][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  169.880559][  T227] RDX: 0000000000000000 RSI: ffff88800da2ac98 RDI: ffff88800936d0a8
[  169.881213][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  169.881701][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  169.882274][  T227] R13: ffff88800da2a128 R14: ffff88800da2a008 R15: ffff88800da2a000
[  169.882773][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  169.883365][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.883765][  T227] CR2: 0000562199d15de8 CR3: 000000000a0be003 CR4: 0000000000772ef0
[  169.884266][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  169.884740][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  169.885251][  T227] PKRU: 55555554
[  169.885496][  T227] Call Trace:
[  169.885718][  T227]  <TASK>
[ 169.885886][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 169.886231][ T227] ? __warn (kernel/panic.c:748) 
[ 169.886469][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 169.886791][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 169.887130][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 169.887373][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 169.887684][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 169.888034][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 169.888368][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 169.888811][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 169.889164][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 169.889488][ T227] register_netdevice (net/core/dev.c:11003) 
[ 169.889807][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 169.890166][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 169.890508][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 169.890906][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 169.891371][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 169.891771][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 169.892095][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 169.892418][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 169.892820][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 169.893153][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 169.893480][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 169.893823][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 169.894185][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 169.894450][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 169.894782][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 169.895137][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 169.895479][ T227] ksys_write (fs/read_write.c:731) 
[ 169.895724][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 169.896097][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 169.896413][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.896799][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 169.897139][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  169.898142][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  169.898634][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  169.899140][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  169.899608][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  169.900036][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  169.900466][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  171.541891][  T227] ------------[ cut here ]------------
| [ 171.543849][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  171.544540][  T227] Modules linked in: netdevsim
| [  171.545558][  T227] Tainted: [W]=WARN
[  171.545813][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.546244][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 171.546661][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  171.547785][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  171.548211][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  171.548707][  T227] RDX: 0000000000000000 RSI: ffff888004fe2c98 RDI: ffff88800936d0a8
[  171.549197][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  171.549652][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  171.550139][  T227] R13: ffff888004fe2128 R14: ffff888004fe2008 R15: ffff888004fe2000
[  171.550602][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  171.551169][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.551566][  T227] CR2: 0000562199b5647c CR3: 000000000a0be003 CR4: 0000000000772ef0
[  171.552066][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  171.552545][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  171.553048][  T227] PKRU: 55555554
[  171.553303][  T227] Call Trace:
[  171.553546][  T227]  <TASK>
[ 171.553719][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 171.554080][ T227] ? __warn (kernel/panic.c:748) 
[ 171.554339][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 171.554674][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 171.555038][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 171.555270][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 171.555515][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 171.555824][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 171.556207][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 171.556647][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 171.557029][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 171.557388][ T227] register_netdevice (net/core/dev.c:11003) 
[ 171.557747][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 171.558139][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 171.558522][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 171.558978][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 171.559483][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 171.559939][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 171.560311][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 171.560689][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 171.561154][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 171.561473][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 171.561779][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 171.562135][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 171.562486][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 171.562754][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 171.563117][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 171.563423][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 171.563747][ T227] ksys_write (fs/read_write.c:731) 
[ 171.564033][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 171.564391][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 171.564708][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.565143][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 171.565466][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  171.566581][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  171.567072][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  171.567561][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  171.568074][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  171.568570][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  171.569052][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  173.123665][  T227] ------------[ cut here ]------------
| [ 173.123977][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  173.124426][  T227] Modules linked in: netdevsim
| [  173.125221][  T227] Tainted: [W]=WARN
[  173.125466][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 173.125879][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 173.126311][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  173.127438][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  173.127857][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  173.129894][  T227] RDX: 0000000000000000 RSI: ffff88800ec7ac98 RDI: ffff88800936d0a8
[  173.130455][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  173.130939][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  173.131427][  T227] R13: ffff88800ec7a128 R14: ffff88800ec7a008 R15: ffff88800ec7a000
[  173.131891][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  173.132379][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  173.132628][  T227] CR2: 0000562199b5647c CR3: 000000000a0be006 CR4: 0000000000772ef0
[  173.132939][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  173.133246][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  173.133537][  T227] PKRU: 55555554
[  173.133691][  T227] Call Trace:
[  173.133855][  T227]  <TASK>
[ 173.133960][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 173.134172][ T227] ? __warn (kernel/panic.c:748) 
[ 173.134329][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 173.134550][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 173.134776][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 173.134933][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 173.135164][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 173.135404][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 173.135628][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 173.135905][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 173.136132][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 173.136341][ T227] register_netdevice (net/core/dev.c:11003) 
[ 173.136576][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 173.136805][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 173.137042][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 173.137307][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 173.137584][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 173.137893][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 173.138115][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 173.138335][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 173.138614][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 173.138836][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 173.139059][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 173.139278][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 173.139497][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 173.139668][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 173.139904][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 173.140141][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 173.140365][ T227] ksys_write (fs/read_write.c:731) 
[ 173.140526][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 173.140753][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 173.140970][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  173.141239][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 173.141454][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  173.142204][  T227] RSP: 002b:00007ffd4be305d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  173.142514][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  173.142831][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  173.143149][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  173.143448][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  173.143758][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  177.888246][  T227] ------------[ cut here ]------------
| [ 177.888707][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  177.889226][  T227] Modules linked in: netdevsim
| [  177.889978][  T227] Tainted: [W]=WARN
[  177.890326][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 177.890647][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 177.890979][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  177.891854][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  177.892343][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  177.892872][  T227] RDX: 0000000000000000 RSI: ffff88800da22c98 RDI: ffff88800936d0a8
[  177.893453][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  177.893964][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  177.894492][  T227] R13: ffff88800da22128 R14: ffff88800da22008 R15: ffff88800da22000
[  177.895022][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  177.895618][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  177.896077][  T227] CR2: 0000562ac025bd68 CR3: 000000000a0be006 CR4: 0000000000772ef0
[  177.897058][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  177.897630][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  177.898211][  T227] PKRU: 55555554
[  177.898498][  T227] Call Trace:
[  177.898795][  T227]  <TASK>
[ 177.899024][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 177.899403][ T227] ? __warn (kernel/panic.c:748) 
[ 177.899710][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 177.900087][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 177.900488][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 177.900799][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 177.901173][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 177.901559][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 177.901821][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 177.902118][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 177.902338][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 177.902561][ T227] register_netdevice (net/core/dev.c:11003) 
[ 177.902805][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 177.903045][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 177.903287][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 177.903556][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 177.903909][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 177.904201][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 177.904420][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 177.904646][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 177.904943][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 177.905173][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 177.905401][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 177.905615][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 177.905855][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 177.906064][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 177.906293][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 177.906522][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 177.906750][ T227] ksys_write (fs/read_write.c:731) 
[ 177.906944][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 177.907196][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 177.907422][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  177.907680][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 177.907912][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  177.908680][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  177.909003][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  177.909338][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  177.909660][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  177.909973][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  177.910297][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  179.567292][  T227] ------------[ cut here ]------------
| [ 179.567622][ T227] WARNING: CPU: 1 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  179.568059][  T227] Modules linked in: netdevsim
| [  179.568698][  T227] Tainted: [W]=WARN
[  179.568856][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 179.569135][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 179.569400][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  179.570123][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  179.570385][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  179.570694][  T227] RDX: 0000000000000000 RSI: ffff888002622c98 RDI: ffff88800936d0a8
[  179.571078][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  179.571372][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  179.571647][  T227] R13: ffff888002622128 R14: ffff888002622008 R15: ffff888002622000
[  179.571926][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  179.572263][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  179.572498][  T227] CR2: 0000562199bda408 CR3: 000000000a0be003 CR4: 0000000000772ef0
[  179.572777][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  179.573229][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  179.573518][  T227] PKRU: 55555554
[  179.573658][  T227] Call Trace:
[  179.573805][  T227]  <TASK>
[ 179.573910][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 179.574112][ T227] ? __warn (kernel/panic.c:748) 
[ 179.574259][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 179.574449][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 179.574651][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 179.574800][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 179.575008][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 179.575212][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 179.575415][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 179.575658][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 179.575855][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 179.576148][ T227] register_netdevice (net/core/dev.c:11003) 
[ 179.576352][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 179.576556][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 179.576767][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 179.577095][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 179.577360][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 179.577604][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 179.577805][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 179.578094][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 179.578355][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 179.578558][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 179.578749][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 179.578946][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 179.579225][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 179.579401][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 179.579596][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 179.579795][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 179.580031][ T227] ksys_write (fs/read_write.c:731) 
[ 179.580183][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 179.580381][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 179.580589][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  179.580821][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 179.581088][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  179.581807][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  179.582132][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  179.582436][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  179.582733][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  179.583072][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  179.583373][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  181.272659][  T227] ------------[ cut here ]------------
| [ 181.273313][ T227] WARNING: CPU: 1 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  181.273965][  T227] Modules linked in: netdevsim
| [  181.275060][  T227] Tainted: [W]=WARN
[  181.275331][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 181.275721][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 181.276139][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  181.277267][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  181.277685][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  181.278196][  T227] RDX: 0000000000000000 RSI: ffff888002332c98 RDI: ffff88800936d0a8
[  181.278675][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  181.279195][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  181.279673][  T227] R13: ffff888002332128 R14: ffff888002332008 R15: ffff888002332000
[  181.280178][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  181.280727][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  181.281165][  T227] CR2: 00007fc5e90c71a0 CR3: 000000000a0be003 CR4: 0000000000772ef0
[  181.281652][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  181.282410][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  181.282898][  T227] PKRU: 55555554
[  181.283154][  T227] Call Trace:
[  181.283385][  T227]  <TASK>
[ 181.283556][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 181.283890][ T227] ? __warn (kernel/panic.c:748) 
[ 181.284161][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 181.284495][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 181.284833][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 181.285120][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 181.285462][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 181.285813][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 181.286182][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 181.286618][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 181.286952][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 181.287296][ T227] register_netdevice (net/core/dev.c:11003) 
[ 181.287622][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 181.287962][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 181.288333][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 181.288773][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 181.289242][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 181.289659][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 181.289977][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 181.290336][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 181.290755][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 181.291100][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 181.291414][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 181.291734][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 181.292078][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 181.292331][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 181.292652][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 181.292977][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 181.293328][ T227] ksys_write (fs/read_write.c:731) 
[ 181.293576][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 181.293913][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 181.294251][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  181.294663][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 181.294985][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  181.296141][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  181.296626][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  181.297132][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  181.297612][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  181.298114][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  181.298609][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  182.993102][  T227] ------------[ cut here ]------------
| [ 182.993487][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  182.993879][  T227] Modules linked in: netdevsim
| [  182.994492][  T227] Tainted: [W]=WARN
[  182.994653][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 182.994900][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 182.995197][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  182.995871][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  182.996137][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  182.996448][  T227] RDX: 0000000000000000 RSI: ffff88800d8bac98 RDI: ffff88800936d0a8
[  182.996741][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  182.997079][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  182.997375][  T227] R13: ffff88800d8ba128 R14: ffff88800d8ba008 R15: ffff88800d8ba000
[  182.997666][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  182.998018][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  182.998274][  T227] CR2: 0000562a85a34630 CR3: 000000000a0be006 CR4: 0000000000772ef0
[  182.998603][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  182.999117][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  182.999439][  T227] PKRU: 55555554
[  182.999595][  T227] Call Trace:
[  182.999770][  T227]  <TASK>
[ 182.999904][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 183.000187][ T227] ? __warn (kernel/panic.c:748) 
[ 183.000350][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 183.000552][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 183.000759][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 183.000919][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 183.001157][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 183.001379][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 183.001596][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 183.001849][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 183.002069][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 183.002278][ T227] register_netdevice (net/core/dev.c:11003) 
[ 183.002484][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 183.002699][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 183.002922][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 183.003190][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 183.003460][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 183.003717][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 183.003929][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 183.004153][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 183.004416][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 183.004618][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 183.004820][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 183.005053][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 183.005261][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 183.005426][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 183.005632][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 183.005841][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 183.006072][ T227] ksys_write (fs/read_write.c:731) 
[ 183.006234][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 183.006447][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 183.006651][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  183.006897][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 183.007117][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  183.007818][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  183.008127][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  183.008453][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  183.008763][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  183.009078][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  183.009395][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  184.705731][  T227] ------------[ cut here ]------------
| [ 184.706138][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  184.706605][  T227] Modules linked in: netdevsim
| [  184.707348][  T227] Tainted: [W]=WARN
[  184.707510][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.707768][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 184.708096][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  184.708827][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  184.709097][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  184.709453][  T227] RDX: 0000000000000000 RSI: ffff88800da2ac98 RDI: ffff88800936d0a8
[  184.709779][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  184.710178][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  184.710481][  T227] R13: ffff88800da2a128 R14: ffff88800da2a008 R15: ffff88800da2a000
[  184.711025][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  184.711482][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  184.711793][  T227] CR2: 0000562199d21258 CR3: 000000000a0be001 CR4: 0000000000772ef0
[  184.712133][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  184.712454][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  184.712773][  T227] PKRU: 55555554
[  184.712958][  T227] Call Trace:
[  184.713137][  T227]  <TASK>
[ 184.713258][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 184.713481][ T227] ? __warn (kernel/panic.c:748) 
[ 184.713739][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 184.713952][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 184.714184][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 184.714416][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 184.714642][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 184.714887][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 184.715193][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 184.715473][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 184.715760][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 184.716010][ T227] register_netdevice (net/core/dev.c:11003) 
[ 184.716246][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 184.716534][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 184.716783][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 184.717137][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 184.717447][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 184.717801][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 184.718045][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 184.718326][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 184.718639][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 184.718894][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 184.719191][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 184.719479][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 184.719713][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 184.719886][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 184.720139][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 184.720415][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 184.720625][ T227] ksys_write (fs/read_write.c:731) 
[ 184.720822][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 184.721109][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 184.721321][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  184.721583][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 184.721819][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  184.722559][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  184.722885][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  184.723213][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  184.723504][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  184.723899][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  184.724285][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  186.347746][  T227] ------------[ cut here ]------------
| [ 186.348106][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  186.348541][  T227] Modules linked in: netdevsim
| [  186.349257][  T227] Tainted: [W]=WARN
[  186.349467][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 186.349747][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 186.350068][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  186.350799][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  186.351086][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  186.351414][  T227] RDX: 0000000000000000 RSI: ffff888004fe2c98 RDI: ffff88800936d0a8
[  186.351772][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  186.352138][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  186.352489][  T227] R13: ffff888004fe2128 R14: ffff888004fe2008 R15: ffff888004fe2000
[  186.352846][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  186.353429][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  186.353692][  T227] CR2: 00007fb4d8ec2733 CR3: 000000000a0be001 CR4: 0000000000772ef0
[  186.354045][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  186.354400][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  186.354776][  T227] PKRU: 55555554
[  186.354952][  T227] Call Trace:
[  186.355158][  T227]  <TASK>
[ 186.355308][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 186.355575][ T227] ? __warn (kernel/panic.c:748) 
[ 186.355768][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 186.356054][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 186.356343][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 186.356562][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 186.356839][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 186.357173][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 186.357433][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 186.357688][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 186.357897][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 186.358134][ T227] register_netdevice (net/core/dev.c:11003) 
[ 186.358344][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 186.358571][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 186.358787][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 186.359071][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 186.359347][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 186.359665][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 186.359868][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 186.360111][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 186.360366][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 186.360565][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 186.360775][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 186.360985][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 186.361221][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 186.361386][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 186.361586][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 186.361802][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 186.362041][ T227] ksys_write (fs/read_write.c:731) 
[ 186.362212][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 186.362422][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 186.362626][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  186.362875][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 186.363100][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  186.363757][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  186.364089][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  186.364382][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  186.364687][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  186.365000][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  186.365312][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  188.062782][  T227] ------------[ cut here ]------------
| [ 188.063206][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  188.063805][  T227] Modules linked in: netdevsim
| [  188.064808][  T227] Tainted: [W]=WARN
[  188.065085][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 188.065494][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 188.065917][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  188.067049][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  188.067478][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  188.067971][  T227] RDX: 0000000000000000 RSI: ffff88800ab22c98 RDI: ffff88800936d0a8
[  188.068484][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  188.068960][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  188.069452][  T227] R13: ffff88800ab22128 R14: ffff88800ab22008 R15: ffff88800ab22000
[  188.069933][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  188.070506][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  188.070918][  T227] CR2: 00007fc5e90c71a0 CR3: 000000000a0be006 CR4: 0000000000772ef0
[  188.071432][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  188.072112][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  188.072573][  T227] PKRU: 55555554
[  188.072813][  T227] Call Trace:
[  188.073069][  T227]  <TASK>
[ 188.073237][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 188.073558][ T227] ? __warn (kernel/panic.c:748) 
[ 188.073808][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 188.074153][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 188.074499][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 188.074756][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 188.075101][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 188.075454][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 188.075793][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 188.076220][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 188.076552][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 188.076878][ T227] register_netdevice (net/core/dev.c:11003) 
[ 188.077228][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 188.077576][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 188.077936][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 188.078354][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 188.078818][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 188.079236][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 188.079556][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 188.079876][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 188.080291][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 188.080596][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 188.080897][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 188.081261][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 188.081571][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 188.081816][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 188.082143][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 188.082467][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 188.082785][ T227] ksys_write (fs/read_write.c:731) 
[ 188.083039][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 188.083363][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 188.083671][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  188.084059][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 188.084375][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  188.085438][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  188.085896][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  188.086348][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  188.086792][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  188.087250][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  188.087699][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  189.796711][  T227] ------------[ cut here ]------------
| [ 189.797134][ T227] WARNING: CPU: 0 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  189.797630][  T227] Modules linked in: netdevsim
| [  189.798357][  T227] Tainted: [W]=WARN
[  189.798563][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 189.798826][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 189.799125][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  189.799860][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  189.800201][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  189.800515][  T227] RDX: 0000000000000000 RSI: ffff88800ec7ac98 RDI: ffff88800936d0a8
[  189.800840][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  189.801192][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  189.801523][  T227] R13: ffff88800ec7a128 R14: ffff88800ec7a008 R15: ffff88800ec7a000
[  189.801884][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  189.802281][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  189.802544][  T227] CR2: 00007fc5e90c71a0 CR3: 000000000a0be005 CR4: 0000000000772ef0
[  189.803199][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  189.803527][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  189.803848][  T227] PKRU: 55555554
[  189.804034][  T227] Call Trace:
[  189.804210][  T227]  <TASK>
[ 189.804349][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 189.804631][ T227] ? __warn (kernel/panic.c:748) 
[ 189.804805][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 189.805037][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 189.805273][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 189.805441][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 189.805659][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 189.805897][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 189.806135][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 189.806430][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 189.806661][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 189.806883][ T227] register_netdevice (net/core/dev.c:11003) 
[ 189.807126][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 189.807372][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 189.807613][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 189.807923][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 189.808302][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 189.808606][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 189.808831][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 189.809065][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 189.809333][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 189.809545][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 189.809754][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 189.809963][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 189.810188][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 189.810356][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 189.810568][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 189.810803][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 189.811049][ T227] ksys_write (fs/read_write.c:731) 
[ 189.811216][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 189.811460][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 189.811690][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  189.811964][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 189.812207][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  189.813022][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  189.813341][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  189.813666][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  189.814006][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  189.814337][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  189.814695][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  191.526112][  T227] ------------[ cut here ]------------
| [ 191.526519][ T227] WARNING: CPU: 1 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  191.526975][  T227] Modules linked in: netdevsim
| [  191.527700][  T227] Tainted: [W]=WARN
[  191.527937][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 191.528239][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 191.528558][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  191.529350][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  191.529643][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  191.529981][  T227] RDX: 0000000000000000 RSI: ffff88800da22c98 RDI: ffff88800936d0a8
[  191.530336][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  191.530676][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  191.531026][  T227] R13: ffff88800da22128 R14: ffff88800da22008 R15: ffff88800da22000
[  191.531384][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  191.531773][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  191.532302][  T227] CR2: 0000562a85a34630 CR3: 000000000a0be004 CR4: 0000000000772ef0
[  191.532646][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  191.532980][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  191.533333][  T227] PKRU: 55555554
[  191.533510][  T227] Call Trace:
[  191.533688][  T227]  <TASK>
[ 191.533808][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 191.534059][ T227] ? __warn (kernel/panic.c:748) 
[ 191.534241][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 191.534473][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 191.534713][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 191.534889][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 191.535128][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 191.535377][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 191.535617][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 191.535908][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 191.536155][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 191.536390][ T227] register_netdevice (net/core/dev.c:11003) 
[ 191.536628][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 191.536871][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 191.537131][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 191.537433][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 191.537744][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 191.538069][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 191.538308][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 191.538569][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 191.538864][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 191.539112][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 191.539351][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 191.539591][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 191.539838][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 191.540032][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 191.540274][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 191.540514][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 191.540766][ T227] ksys_write (fs/read_write.c:731) 
[ 191.540944][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 191.541196][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 191.541431][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  191.541719][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 191.541953][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  191.542745][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  191.543094][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  191.543433][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  191.543765][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  191.544120][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002
[  191.544454][  T227] R13: 00007fb4d8f0b760 R14: 0000000000000002 R15: 00007fb4d8f069c0
| [  193.266723][  T227] ------------[ cut here ]------------
| [ 193.267232][ T227] WARNING: CPU: 2 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  193.267725][  T227] Modules linked in: netdevsim
| [  193.268387][  T227] Tainted: [W]=WARN
[  193.268569][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 193.268819][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 193.269977][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  193.270898][  T227] RSP: 0018:ffffc90000b67910 EFLAGS: 00010246
[  193.271199][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  193.271614][  T227] RDX: 0000000000000000 RSI: ffff888002622c98 RDI: ffff88800936d0a8
[  193.271971][  T227] RBP: ffffffff96923440 R08: 0000000000000000 R09: fffffbfff28fd83c
[  193.272391][  T227] R10: ffffffff947ec1e7 R11: ffff88800936c5c0 R12: 0000000000000000
[  193.273059][  T227] R13: ffff888002622128 R14: ffff888002622008 R15: ffff888002622000
[  193.273423][  T227] FS:  00007fb4d8d0e740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  193.273837][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  193.274111][  T227] CR2: 00007fb4d8e07890 CR3: 000000000a0be001 CR4: 0000000000772ef0
[  193.274436][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  193.274731][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  193.275105][  T227] PKRU: 55555554
[  193.275274][  T227] Call Trace:
[  193.275496][  T227]  <TASK>
[ 193.275635][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 193.275893][ T227] ? __warn (kernel/panic.c:748) 
[ 193.276090][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 193.276379][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 193.276640][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 193.276811][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 193.277045][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 193.277284][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 193.277517][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 193.277777][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 193.278045][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 193.278269][ T227] register_netdevice (net/core/dev.c:11003) 
[ 193.278530][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 193.278764][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 193.279017][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 193.279371][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 193.279679][ T227] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1714) netdevsim 
[ 193.279971][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 193.280203][ T227] new_port_store (drivers/net/netdevsim/bus.c:79) netdevsim 
[ 193.280494][ T227] ? __pfx_new_port_store (drivers/net/netdevsim/bus.c:67) netdevsim 
[ 193.280766][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 193.280975][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 193.281194][ T227] ? sysfs_kf_write (fs/sysfs/file.c:133) 
[ 193.281461][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 193.281731][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 193.281922][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 193.282143][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 193.282450][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 193.282678][ T227] ksys_write (fs/read_write.c:731) 
[ 193.282932][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 193.283178][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 193.283433][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  193.283704][  T227] RIP: 0033:0x7fb4d8e4fb77
[ 193.283986][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  193.284739][  T227] RSP: 002b:00007ffd4be2fd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  193.285127][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4d8e4fb77
[  193.285485][  T227] RDX: 0000000000000002 RSI: 0000562199d3f130 RDI: 0000000000000001
[  193.285886][  T227] RBP: 0000562199d3f130 R08: 0000000000000000 R09: 00007fb4d8ec24e0
[  193.286306][  T227] R10: 00007fb4d8ec23e0 R11: 0000000000000246 R12: 0000000000000002


Finger prints:
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_drv_port_add