======================================
| 0
| xx__-> [    9.928531][  T229] ------------[ cut here ]------------
| [ 9.929000][ T229] WARNING: CPU: 3 PID: 229 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [    9.929617][  T229] Modules linked in: netdevsim
[    9.930298][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.930606][ T229] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.930936][ T229] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[    9.931762][  T229] RSP: 0018:ffffc90000b17520 EFLAGS: 00010246
[    9.932066][  T229] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.932422][  T229] RDX: 0000000000000000 RSI: ffff888009af2c98 RDI: ffff88800a1f8b78
[    9.932763][  T229] RBP: ffffffffb4123440 R08: 0000000000000000 R09: fffffbfff63fd83c
[    9.933110][  T229] R10: ffffffffb1fec1e7 R11: ffff88800a1f8040 R12: 0000000000000000
[    9.933467][  T229] R13: ffff888009af2128 R14: ffff888009af2008 R15: ffff888009af2000
[    9.933815][  T229] FS:  00007f172a38c740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.934223][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.934512][  T229] CR2: 000055e429cf3b58 CR3: 000000000a454002 CR4: 0000000000772ef0
[    9.934950][  T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.935304][  T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.935642][  T229] PKRU: 55555554
[    9.935820][  T229] Call Trace:
[    9.935997][  T229]  <TASK>
[ 9.936117][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.936358][ T229] ? __warn (kernel/panic.c:748) 
[ 9.936534][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.936765][ T229] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.936995][ T229] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.937194][ T229] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.937427][ T229] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.937673][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.937911][ T229] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.938211][ T229] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 9.938451][ T229] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.938686][ T229] register_netdevice (net/core/dev.c:11003) 
[ 9.938929][ T229] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.939185][ T229] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.939436][ T229] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.939730][ T229] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.939907][ T229] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.940214][ T229] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.940592][ T229] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.940888][ T229] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.941131][ T229] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.941435][ T229] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.941672][ T229] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 9.941846][ T229] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.942082][ T229] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.942334][ T229] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.942563][ T229] driver_probe_device (drivers/base/dd.c:830) 
[ 9.942795][ T229] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.943024][ T229] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.943310][ T229] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.943547][ T229] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.943770][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.943998][ T229] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.944239][ T229] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.944473][ T229] __device_attach (drivers/base/dd.c:1030) 
[ 9.944699][ T229] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.944923][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.945169][ T229] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 9.945422][ T229] bus_probe_device (drivers/base/bus.c:537) 
[ 9.945655][ T229] device_add (drivers/base/core.c:3672) 
[ 9.945889][ T229] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.946117][ T229] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.946374][ T229] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.946672][ T229] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.946977][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.947230][ T229] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.947463][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.947683][ T229] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.947913][ T229] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.948096][ T229] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.948340][ T229] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.948574][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.948812][ T229] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.949061][ T229] ksys_write (fs/read_write.c:731) 
[ 9.949250][ T229] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.949481][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.949726][ T229] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.949961][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.950258][  T229] RIP: 0033:0x7f172a4cdb77
[ 9.950505][ T229] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[    9.951310][  T229] RSP: 002b:00007ffce945aa38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.951656][  T229] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f172a4cdb77
[    9.952009][  T229] RDX: 0000000000000007 RSI: 000055e429cf2b50 RDI: 0000000000000001
[    9.952361][  T229] RBP: 000055e429cf2b50 R08: 0000000000000003 R09: 0000000000000000
[    9.952708][  T229] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000007
[    9.953051][  T229] R13: 00007f172a589760 R14: 0000000000000007 R15: 00007f172a5849c0
| [   10.018901][  T229] ------------[ cut here ]------------
| [ 10.019278][ T229] WARNING: CPU: 3 PID: 229 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.019838][  T229] Modules linked in: netdevsim
| [   10.020823][  T229] Tainted: [W]=WARN
[   10.021029][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.021345][ T229] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.021660][ T229] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.022464][  T229] RSP: 0018:ffffc90000b17520 EFLAGS: 00010246
[   10.022744][  T229] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.023079][  T229] RDX: 0000000000000000 RSI: ffff888005f82c98 RDI: ffff88800a1f8b78
[   10.023420][  T229] RBP: ffffffffb4123440 R08: 0000000000000000 R09: fffffbfff63fd83c
[   10.023747][  T229] R10: ffffffffb1fec1e7 R11: ffff88800a1f8040 R12: 0000000000000000
[   10.024076][  T229] R13: ffff888005f82128 R14: ffff888005f82008 R15: ffff888005f82000
[   10.024421][  T229] FS:  00007f172a38c740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.024810][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.025089][  T229] CR2: 000055e429b7b288 CR3: 000000000a454002 CR4: 0000000000772ef0
[   10.025427][  T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.025758][  T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.026096][  T229] PKRU: 55555554
[   10.026276][  T229] Call Trace:
[   10.026443][  T229]  <TASK>
[ 10.026558][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.026776][ T229] ? __warn (kernel/panic.c:748) 
[ 10.026948][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.027198][ T229] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.027430][ T229] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.027622][ T229] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.027845][ T229] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.028082][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.028325][ T229] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.028605][ T229] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.028833][ T229] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.029063][ T229] register_netdevice (net/core/dev.c:11003) 
[ 10.029316][ T229] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.029550][ T229] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.029794][ T229] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.030075][ T229] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.030260][ T229] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.030554][ T229] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.030840][ T229] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.031160][ T229] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.031407][ T229] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.031696][ T229] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.031936][ T229] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 10.032118][ T229] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.032370][ T229] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.032626][ T229] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.032864][ T229] driver_probe_device (drivers/base/dd.c:830) 
[ 10.033099][ T229] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.033336][ T229] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.033624][ T229] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.033852][ T229] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.034070][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.034312][ T229] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.034533][ T229] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.034766][ T229] __device_attach (drivers/base/dd.c:1030) 
[ 10.034988][ T229] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.035221][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.035459][ T229] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 10.035712][ T229] bus_probe_device (drivers/base/bus.c:537) 
[ 10.035939][ T229] device_add (drivers/base/core.c:3672) 
[ 10.036194][ T229] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.036417][ T229] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.036650][ T229] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.036944][ T229] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.037280][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.037509][ T229] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.037755][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.037978][ T229] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.038221][ T229] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.038401][ T229] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.038628][ T229] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 10.038882][ T229] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 10.039175][ T229] ksys_write (fs/read_write.c:731) 
[ 10.039348][ T229] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.039594][ T229] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.039827][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.040109][  T229] RIP: 0033:0x7f172a4cdb77
[ 10.040360][ T229] Code: Unable to access opcode bytes at 0x7f172a4cdb4d.

Code starting with the faulting instruction
===========================================
[   10.040661][  T229] RSP: 002b:00007ffce945ab68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.041017][  T229] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f172a4cdb77
[   10.041364][  T229] RDX: 0000000000000007 RSI: 000055e429cf2b50 RDI: 0000000000000001
[   10.041710][  T229] RBP: 000055e429cf2b50 R08: 0000000000000000 R09: 00007f172a5404e0
[   10.042053][  T229] R10: 00007f172a5403e0 R11: 0000000000000246 R12: 0000000000000007
[   10.042398][  T229] R13: 00007f172a589760 R14: 0000000000000007 R15: 00007f172a5849c0
| [   10.111728][  T229] ------------[ cut here ]------------
| [ 10.112067][ T229] WARNING: CPU: 3 PID: 229 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.112545][  T229] Modules linked in: netdevsim
| [   10.113359][  T229] Tainted: [W]=WARN
[   10.113530][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.113799][ T229] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.114082][ T229] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.114878][  T229] RSP: 0018:ffffc90000b17520 EFLAGS: 00010246
[   10.115188][  T229] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.115524][  T229] RDX: 0000000000000000 RSI: ffff888009ae2c98 RDI: ffff88800a1f8b78
[   10.115850][  T229] RBP: ffffffffb4123440 R08: 0000000000000000 R09: fffffbfff63fd83c
[   10.116217][  T229] R10: ffffffffb1fec1e7 R11: ffff88800a1f8040 R12: 0000000000000000
[   10.116548][  T229] R13: ffff888009ae2128 R14: ffff888009ae2008 R15: ffff888009ae2000
[   10.116889][  T229] FS:  00007f172a38c740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.117293][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.117580][  T229] CR2: 000055e429c54368 CR3: 000000000a454002 CR4: 0000000000772ef0
[   10.117918][  T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.118263][  T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.118593][  T229] PKRU: 55555554
[   10.118761][  T229] Call Trace:
[   10.118933][  T229]  <TASK>
[ 10.119080][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.119317][ T229] ? __warn (kernel/panic.c:748) 
[ 10.119496][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.119721][ T229] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.119961][ T229] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.120132][ T229] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.120369][ T229] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.120610][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.120850][ T229] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.121134][ T229] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.121377][ T229] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.121607][ T229] register_netdevice (net/core/dev.c:11003) 
[ 10.121842][ T229] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.122077][ T229] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.122336][ T229] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.122626][ T229] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.122800][ T229] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.123098][ T229] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.123412][ T229] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.123705][ T229] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.123943][ T229] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.124242][ T229] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.124475][ T229] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 10.124646][ T229] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.124879][ T229] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.125118][ T229] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.125361][ T229] driver_probe_device (drivers/base/dd.c:830) 
[ 10.125591][ T229] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.125846][ T229] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.126128][ T229] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.126362][ T229] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.126590][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.126818][ T229] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.127044][ T229] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.127299][ T229] __device_attach (drivers/base/dd.c:1030) 
[ 10.127523][ T229] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.127748][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.127972][ T229] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 10.128212][ T229] bus_probe_device (drivers/base/bus.c:537) 
[ 10.128445][ T229] device_add (drivers/base/core.c:3672) 
[ 10.128670][ T229] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.128896][ T229] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.129138][ T229] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.129445][ T229] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.129737][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.129970][ T229] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.130211][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.130437][ T229] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.130664][ T229] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.130847][ T229] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.131083][ T229] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.131315][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.131551][ T229] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.131782][ T229] ksys_write (fs/read_write.c:731) 
[ 10.131955][ T229] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.132191][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.132429][ T229] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.132664][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.132944][  T229] RIP: 0033:0x7f172a4cdb77
[ 10.133191][ T229] Code: Unable to access opcode bytes at 0x7f172a4cdb4d.

Code starting with the faulting instruction
===========================================
[   10.133473][  T229] RSP: 002b:00007ffce945ac98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.133814][  T229] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f172a4cdb77
[   10.134157][  T229] RDX: 0000000000000007 RSI: 000055e429cf2b50 RDI: 0000000000000001
[   10.134486][  T229] RBP: 000055e429cf2b50 R08: 0000000000000000 R09: 00007f172a5404e0
[   10.134822][  T229] R10: 00007f172a5403e0 R11: 0000000000000246 R12: 0000000000000007
[   10.135163][  T229] R13: 00007f172a589760 R14: 0000000000000007 R15: 00007f172a5849c0
| [   10.535964][  T272] ------------[ cut here ]------------
| [ 10.536530][ T272] WARNING: CPU: 1 PID: 272 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.536985][  T272] Modules linked in: netdevsim
| [   10.537742][  T272] Tainted: [W]=WARN
[   10.537912][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.538207][ T272] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.538493][ T272] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.539256][  T272] RSP: 0018:ffffc900005d71e8 EFLAGS: 00010246
[   10.539536][  T272] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.539855][  T272] RDX: 0000000000000000 RSI: ffff88800256ac98 RDI: ffff8880097c0b00
[   10.540187][  T272] RBP: ffff888005c38040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   10.540511][  T272] R10: ffffffffb1fec1e7 R11: ffff8880097c0040 R12: 0000000000000000
[   10.540835][  T272] R13: ffff88800256a128 R14: ffff88800256a008 R15: ffff88800256a000
[   10.541137][  T272] FS:  00007f36aab7a800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   10.541514][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.541771][  T272] CR2: 0000000000433000 CR3: 0000000008f74005 CR4: 0000000000772ef0
[   10.542086][  T272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.542397][  T272] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.542698][  T272] PKRU: 55555554
[   10.542850][  T272] Call Trace:
[   10.543005][  T272]  <TASK>
[ 10.543113][ T272] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.543337][ T272] ? __warn (kernel/panic.c:748) 
[ 10.543495][ T272] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.543707][ T272] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.543927][ T272] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.544086][ T272] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.544311][ T272] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.544544][ T272] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.544759][ T272] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.544979][ T272] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.545259][ T272] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.545479][ T272] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.545696][ T272] register_netdevice (net/core/dev.c:11003) 
[ 10.545913][ T272] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.546130][ T272] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.546379][ T272] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.546656][ T272] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.546952][ T272] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.547258][ T272] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.547533][ T272] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.547792][ T272] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.548073][ T272] devlink_reload (net/devlink/dev.c:474) 
[ 10.548309][ T272] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.548513][ T272] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.548732][ T272] ? cap_capable (security/commoncap.c:131) 
[ 10.548947][ T272] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.549113][ T272] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.549336][ T272] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.549598][ T272] ? __nla_parse (lib/nlattr.c:732) 
[ 10.549811][ T272] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.550030][ T272] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.550318][ T272] ? cap_capable (security/commoncap.c:131) 
[ 10.550536][ T272] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.550756][ T272] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.550966][ T272] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.551183][ T272] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.551461][ T272] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.551722][ T272] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.552010][ T272] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.552236][ T272] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.552448][ T272] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.552664][ T272] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.552898][ T272] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.553063][ T272] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.553279][ T272] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.553501][ T272] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.553667][ T272] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.553878][ T272] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.554097][ T272] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.554346][ T272] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.554569][ T272] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.554771][ T272] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.554985][ T272] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.555221][ T272] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.555440][ T272] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.555638][ T272] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.555850][ T272] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.556071][ T272] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.556306][ T272] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.556559][ T272] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.556838][ T272] __x64_sys_sendto (net/socket.c:2181) 
[ 10.557061][ T272] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.557334][ T272] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.557558][ T272] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.557822][  T272] RIP: 0033:0x7f36aad86a4a
[ 10.558040][ T272] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.558785][  T272] RSP: 002b:00007ffe17514d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.559112][  T272] RAX: ffffffffffffffda RBX: 0000000037edfb00 RCX: 00007f36aad86a4a
[   10.559421][  T272] RDX: 0000000000000040 RSI: 0000000037edfb00 RDI: 0000000000000005
[   10.559718][  T272] RBP: 0000000037edf910 R08: 00007f36aaf2a200 R09: 000000000000000c
[   10.560017][  T272] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.560335][  T272] R13: 0000000037edf910 R14: 0000000000000000 R15: 0000000000000001
| [   10.767181][  T277] ------------[ cut here ]------------
| [ 10.767585][ T277] WARNING: CPU: 3 PID: 277 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.768087][  T277] Modules linked in: netdevsim
| [   10.768667][  T277] Tainted: [W]=WARN
[   10.768822][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.769075][ T277] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.769348][ T277] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.770050][  T277] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   10.770313][  T277] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.770614][  T277] RDX: 0000000000000000 RSI: ffff88800d872c98 RDI: ffff888009372dc0
[   10.770912][  T277] RBP: ffff888005c38040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   10.771219][  T277] R10: ffffffffb1fec1e7 R11: ffff888009372300 R12: 0000000000000000
[   10.771518][  T277] R13: ffff88800d872128 R14: ffff88800d872008 R15: ffff88800d872000
[   10.771816][  T277] FS:  00007fd77875d800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.772171][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.772424][  T277] CR2: 00007fcfabff45a0 CR3: 00000000050ee003 CR4: 0000000000772ef0
[   10.772730][  T277] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.773028][  T277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.773391][  T277] PKRU: 55555554
[   10.773546][  T277] Call Trace:
[   10.773697][  T277]  <TASK>
[ 10.773802][ T277] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.774023][ T277] ? __warn (kernel/panic.c:748) 
[ 10.774202][ T277] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.774410][ T277] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.774620][ T277] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.774780][ T277] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.774983][ T277] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.775211][ T277] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.775417][ T277] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.775629][ T277] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.775887][ T277] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.776096][ T277] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.776315][ T277] register_netdevice (net/core/dev.c:11003) 
[ 10.776525][ T277] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.776740][ T277] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.776965][ T277] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.777247][ T277] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.777524][ T277] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.777791][ T277] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.778056][ T277] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.778322][ T277] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.778587][ T277] devlink_reload (net/devlink/dev.c:474) 
[ 10.778798][ T277] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.778999][ T277] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.779218][ T277] ? cap_capable (security/commoncap.c:131) 
[ 10.779422][ T277] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.779587][ T277] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.779796][ T277] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.780051][ T277] ? __nla_parse (lib/nlattr.c:732) 
[ 10.780275][ T277] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.780483][ T277] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.780747][ T277] ? cap_capable (security/commoncap.c:131) 
[ 10.780948][ T277] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.781173][ T277] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.781382][ T277] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.781586][ T277] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.781836][ T277] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.782088][ T277] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.782360][ T277] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.782581][ T277] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.782783][ T277] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.782990][ T277] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.783218][ T277] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.783377][ T277] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.783584][ T277] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.783795][ T277] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.783949][ T277] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.784169][ T277] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.784377][ T277] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.784587][ T277] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.784799][ T277] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.785030][ T277] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.785248][ T277] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.785459][ T277] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.785662][ T277] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.785865][ T277] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.786069][ T277] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.786292][ T277] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.786508][ T277] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.786755][ T277] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.786959][ T277] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.787238][ T277] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.787448][ T277] __x64_sys_sendto (net/socket.c:2181) 
[ 10.787650][ T277] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.787916][ T277] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.788129][ T277] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.788389][  T277] RIP: 0033:0x7fd778969a4a
[ 10.788599][ T277] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.789309][  T277] RSP: 002b:00007ffdb14db1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.789619][  T277] RAX: ffffffffffffffda RBX: 000000001d55fb00 RCX: 00007fd778969a4a
[   10.789916][  T277] RDX: 0000000000000040 RSI: 000000001d55fb00 RDI: 0000000000000005
[   10.790222][  T277] RBP: 000000001d55f910 R08: 00007fd778b0d200 R09: 000000000000000c
[   10.790519][  T277] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.790822][  T277] R13: 000000001d55f910 R14: 0000000000000000 R15: 0000000000000001
| [   10.973655][  T282] ------------[ cut here ]------------
| [ 10.974026][ T282] WARNING: CPU: 0 PID: 282 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.974607][  T282] Modules linked in: netdevsim
| [   10.975161][  T282] Tainted: [W]=WARN
[   10.975309][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.975564][ T282] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.975806][ T282] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.976466][  T282] RSP: 0018:ffffc900005d71e8 EFLAGS: 00010246
[   10.976702][  T282] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.976988][  T282] RDX: 0000000000000000 RSI: ffff888005482c98 RDI: ffff88800558adc0
[   10.977295][  T282] RBP: ffff888005c38040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   10.977572][  T282] R10: ffffffffb1fec1e7 R11: ffff88800558a300 R12: 0000000000000000
[   10.977846][  T282] R13: ffff888005482128 R14: ffff888005482008 R15: ffff888005482000
[   10.978127][  T282] FS:  00007fca01b23800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.978472][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.978705][  T282] CR2: 00007fcfac030220 CR3: 0000000002588006 CR4: 0000000000772ef0
[   10.978983][  T282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.979279][  T282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.979558][  T282] PKRU: 55555554
[   10.979700][  T282] Call Trace:
[   10.979842][  T282]  <TASK>
[ 10.979939][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.980128][ T282] ? __warn (kernel/panic.c:748) 
[ 10.980320][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.980510][ T282] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.980710][ T282] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.980855][ T282] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.981045][ T282] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.981262][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.981455][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.981649][ T282] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.981886][ T282] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.982085][ T282] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.982293][ T282] register_netdevice (net/core/dev.c:11003) 
[ 10.982488][ T282] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.982685][ T282] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.982887][ T282] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.983131][ T282] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.983406][ T282] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.983654][ T282] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.983900][ T282] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.984137][ T282] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.984412][ T282] devlink_reload (net/devlink/dev.c:474) 
[ 10.984610][ T282] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.984800][ T282] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.984996][ T282] ? cap_capable (security/commoncap.c:131) 
[ 10.985195][ T282] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.985350][ T282] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.985553][ T282] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.985818][ T282] ? __nla_parse (lib/nlattr.c:732) 
[ 10.986115][ T282] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.986338][ T282] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.986586][ T282] ? cap_capable (security/commoncap.c:131) 
[ 10.986773][ T282] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.986969][ T282] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.987181][ T282] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.987374][ T282] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.987606][ T282] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.987841][ T282] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.988088][ T282] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.988292][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.988481][ T282] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.988672][ T282] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.988875][ T282] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.989019][ T282] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.989226][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.989422][ T282] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.989566][ T282] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.989758][ T282] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.989946][ T282] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.990157][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.990353][ T282] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.990544][ T282] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.990735][ T282] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.990934][ T282] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.991128][ T282] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.991331][ T282] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.991520][ T282] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.991719][ T282] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.991919][ T282] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.992164][ T282] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.992358][ T282] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.992596][ T282] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.992791][ T282] __x64_sys_sendto (net/socket.c:2181) 
[ 10.992978][ T282] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.993223][ T282] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.993418][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.993652][  T282] RIP: 0033:0x7fca01d2fa4a
[ 10.993848][ T282] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.994506][  T282] RSP: 002b:00007ffc01c17bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.994796][  T282] RAX: ffffffffffffffda RBX: 000000003e14fb00 RCX: 00007fca01d2fa4a
[   10.995075][  T282] RDX: 0000000000000040 RSI: 000000003e14fb00 RDI: 0000000000000005
[   10.995365][  T282] RBP: 000000003e14f910 R08: 00007fca01ed3200 R09: 000000000000000c
[   10.995642][  T282] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.995924][  T282] R13: 000000003e14f910 R14: 0000000000000000 R15: 0000000000000001
| [   32.466671][   T11] ------------[ cut here ]------------
| [ 32.467054][ T11] WARNING: CPU: 0 PID: 11 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) 
| [   32.467420][   T11] Modules linked in: netdevsim
| [   32.467943][   T11] Tainted: [W]=WARN
[   32.468076][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.468322][   T11] Workqueue: netns cleanup_net
[ 32.468529][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.468758][ T11] 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
[   32.469380][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   32.469607][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   32.469876][   T11] RDX: 0000000000000000 RSI: ffff88800b822c98 RDI: ffff888001a82e10
[   32.470150][   T11] RBP: ffffffffb4123440 R08: 0000000000000000 R09: fffffbfff63fd83c
[   32.470424][   T11] R10: ffffffffb1fec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   32.470690][   T11] R13: ffff88800b822128 R14: ffff88800b822008 R15: ffff88800b822000
[   32.470957][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   32.471279][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.471504][   T11] CR2: 00007f4d796b8440 CR3: 0000000016d28001 CR4: 0000000000772ef0
[   32.471866][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.472131][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.472412][   T11] PKRU: 55555554
[   32.472550][   T11] Call Trace:
[   32.472685][   T11]  <TASK>
[ 32.472779][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.472959][ T11] ? __warn (kernel/panic.c:748) 
[ 32.473097][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.473291][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 32.473477][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 32.473614][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 32.473791][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 32.473982][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.474182][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 32.474415][ T11] ? _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) 
[ 32.474601][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 32.474784][ T11] register_netdevice (net/core/dev.c:11003) 
[ 32.474973][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 32.475175][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 32.475371][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 32.475605][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 32.475846][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 32.476085][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 32.476325][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 32.476555][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 32.476790][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 32.476984][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 32.477175][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 32.477365][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 32.477544][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 32.477771][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 32.477943][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 32.478113][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 32.478290][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 32.478465][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 32.478634][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 32.478824][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 32.479013][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 32.479199][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 32.479385][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 32.479569][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 32.479755][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 32.479934][ T11] kthread (kernel/kthread.c:464) 
[ 32.480079][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 32.480273][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 32.480454][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 32.480634][ T11] ? __pfx_kthread (kernel/kthread.c:413) 


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