======================================
| 0
| xx__-> [    9.230177][  T228] ------------[ cut here ]------------
| [ 9.230495][ T228] WARNING: CPU: 3 PID: 228 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) 
| [    9.230902][  T228] Modules linked in: netdevsim
[    9.231561][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.231817][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.232088][ T228] 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
[    9.232792][  T228] RSP: 0018:ffffc90000a67520 EFLAGS: 00010246
[    9.233058][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.233367][  T228] RDX: 0000000000000000 RSI: ffff88800552ac98 RDI: ffff888009ca0b78
[    9.233675][  T228] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[    9.233978][  T228] R10: ffffffff985ec1e7 R11: ffff888009ca0040 R12: 0000000000000000
[    9.234292][  T228] R13: ffff88800552a128 R14: ffff88800552a008 R15: ffff88800552a000
[    9.234597][  T228] FS:  00007fd41367b740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.234946][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.235225][  T228] CR2: 00005593ef4c1098 CR3: 000000000a7a6005 CR4: 0000000000772ef0
[    9.235529][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.235832][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.236171][  T228] PKRU: 55555554
[    9.236332][  T228] Call Trace:
[    9.236492][  T228]  <TASK>
[ 9.236600][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.236806][ T228] ? __warn (kernel/panic.c:748) 
[ 9.236964][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.237179][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.237389][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.237544][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.237745][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.237964][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.238187][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.238445][ T228] ? _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) 
[ 9.238655][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.238862][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.239090][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.239306][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.239525][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.239783][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.239939][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.240215][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.240479][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.240740][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.240957][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.241223][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.241428][ T228] ? 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)) 
[ 9.241581][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.241795][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.242014][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.242220][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.242424][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.242630][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.242878][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.243092][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.243306][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.243509][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.243712][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.243923][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.244137][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.244337][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.244541][ T228] ? 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) 
[ 9.244756][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.244961][ T228] device_add (drivers/base/core.c:3672) 
[ 9.245176][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.245381][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.245598][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.245858][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.246132][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.246339][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.246550][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.246753][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.246965][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.247135][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.247343][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.247543][ T228] ? 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) 
[ 9.247757][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.247970][ T228] ksys_write (fs/read_write.c:731) 
[ 9.248133][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.248334][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.248550][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.248754][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.249015][  T228] RIP: 0033:0x7fd4137bcb77
[ 9.249230][ T228] 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
[    9.249935][  T228] RSP: 002b:00007ffe170d59c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.250251][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd4137bcb77
[    9.250553][  T228] RDX: 0000000000000005 RSI: 00005591038a3b60 RDI: 0000000000000001
[    9.250859][  T228] RBP: 00005591038a3b60 R08: 0000000000000003 R09: 0000000000000000
[    9.251171][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.251478][  T228] R13: 00007fd413878760 R14: 0000000000000005 R15: 00007fd4138739c0
| [    9.264813][  T228] ------------[ cut here ]------------
| [ 9.265046][ T228] WARNING: CPU: 3 PID: 228 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) 
| [    9.265444][  T228] Modules linked in: netdevsim
| [    9.266076][  T228] Tainted: [W]=WARN
[    9.266238][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.266492][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.266750][ T228] 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
[    9.267475][  T228] RSP: 0018:ffffc90000a67520 EFLAGS: 00010246
[    9.267734][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.268045][  T228] RDX: 0000000000000000 RSI: ffff8880025c2c98 RDI: ffff888009ca0b78
[    9.268347][  T228] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[    9.268653][  T228] R10: ffffffff985ec1e7 R11: ffff888009ca0040 R12: 0000000000000000
[    9.268959][  T228] R13: ffff8880025c2128 R14: ffff8880025c2008 R15: ffff8880025c2000
[    9.269343][  T228] FS:  00007fd41367b740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.269690][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.269943][  T228] CR2: 00005593ef4c1098 CR3: 000000000a7a6005 CR4: 0000000000772ef0
[    9.270257][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.270555][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.270854][  T228] PKRU: 55555554
[    9.271020][  T228] Call Trace:
[    9.271174][  T228]  <TASK>
[ 9.271284][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.271487][ T228] ? __warn (kernel/panic.c:748) 
[ 9.271645][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.271852][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.272074][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.272231][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.272438][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.272657][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.272877][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.273146][ T228] ? _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) 
[ 9.273368][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.273577][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.273787][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.274013][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.274237][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.274498][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.274664][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.274931][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.275201][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.275468][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.275689][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.275947][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.276172][ T228] ? 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)) 
[ 9.276328][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.276540][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.276747][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.276952][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.277171][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.277380][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.277631][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.277837][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.278048][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.278252][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.278458][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.278672][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.278877][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.279091][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.279300][ T228] ? 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) 
[ 9.279512][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.279717][ T228] device_add (drivers/base/core.c:3672) 
[ 9.279926][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.280141][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.280356][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.280619][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.280889][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.281100][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.281311][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.281515][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.281728][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.281892][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.282113][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.282319][ T228] ? 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) 
[ 9.282531][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.282744][ T228] ksys_write (fs/read_write.c:731) 
[ 9.282901][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.283117][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.283339][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.283544][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.283797][  T228] RIP: 0033:0x7fd4137bcb77
[ 9.284013][ T228] 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
[    9.284715][  T228] RSP: 002b:00007ffe170d59c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.285032][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd4137bcb77
[    9.285336][  T228] RDX: 0000000000000005 RSI: 00005591038a3b60 RDI: 0000000000000001
[    9.285637][  T228] RBP: 00005591038a3b60 R08: 0000000000000003 R09: 0000000000000000
[    9.285941][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.286252][  T228] R13: 00007fd413878760 R14: 0000000000000005 R15: 00007fd4138739c0
| [    9.298776][  T228] ------------[ cut here ]------------
| [ 9.299026][ T228] WARNING: CPU: 0 PID: 228 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) 
| [    9.299432][  T228] Modules linked in: netdevsim
| [    9.300893][  T228] Tainted: [W]=WARN
[    9.301166][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.301419][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.301673][ T228] 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
[    9.302481][  T228] RSP: 0018:ffffc90000a67520 EFLAGS: 00010246
[    9.302741][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.303143][  T228] RDX: 0000000000000000 RSI: ffff888009c2ac98 RDI: ffff888009ca0b78
[    9.303451][  T228] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[    9.303748][  T228] R10: ffffffff985ec1e7 R11: ffff888009ca0040 R12: 0000000000000000
[    9.304171][  T228] R13: ffff888009c2a128 R14: ffff888009c2a008 R15: ffff888009c2a000
[    9.304473][  T228] FS:  00007fd41367b740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[    9.304816][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.305113][  T228] CR2: 00005593ef4d8548 CR3: 000000000a7a6003 CR4: 0000000000772ef0
[    9.305420][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.305717][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.306038][  T228] PKRU: 55555554
[    9.306191][  T228] Call Trace:
[    9.306343][  T228]  <TASK>
[ 9.306446][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.306648][ T228] ? __warn (kernel/panic.c:748) 
[ 9.306807][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.307033][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.307249][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.307403][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.307603][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.307817][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.308067][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.308331][ T228] ? _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) 
[ 9.308542][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.308746][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.308955][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.309191][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.309407][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.309665][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.309824][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.310105][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.310365][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.310625][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.310838][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.311126][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.311337][ T228] ? 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)) 
[ 9.311491][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.311700][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.311906][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.312150][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.312353][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.312557][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.312809][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.313031][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.313239][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.313446][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.313647][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.313854][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.314078][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.314283][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.314486][ T228] ? 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) 
[ 9.314696][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.314901][ T228] device_add (drivers/base/core.c:3672) 
[ 9.315135][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.315337][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.315549][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.315814][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.316116][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.316319][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.316529][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.316729][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.316937][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.317119][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.317332][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.317531][ T228] ? 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) 
[ 9.317741][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.317949][ T228] ksys_write (fs/read_write.c:731) 
[ 9.318125][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.318326][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.318537][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.318740][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.318993][  T228] RIP: 0033:0x7fd4137bcb77
[ 9.319222][ T228] 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
[    9.319914][  T228] RSP: 002b:00007ffe170d59c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.320258][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd4137bcb77
[    9.320556][  T228] RDX: 0000000000000005 RSI: 00005591038a3b60 RDI: 0000000000000001
[    9.320853][  T228] RBP: 00005591038a3b60 R08: 0000000000000003 R09: 0000000000000000
[    9.321171][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.321468][  T228] R13: 00007fd413878760 R14: 0000000000000005 R15: 00007fd4138739c0
| [    9.343367][  T228] ------------[ cut here ]------------
| [ 9.343595][ T228] WARNING: CPU: 0 PID: 228 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) 
| [    9.343991][  T228] Modules linked in: netdevsim
| [    9.344645][  T228] Tainted: [W]=WARN
[    9.344799][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.345090][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.345344][ T228] 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
[    9.346102][  T228] RSP: 0018:ffffc90000a67520 EFLAGS: 00010246
[    9.346362][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.346657][  T228] RDX: 0000000000000000 RSI: ffff88800b4b2c98 RDI: ffff888009ca0b78
[    9.346953][  T228] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[    9.347279][  T228] R10: ffffffff985ec1e7 R11: ffff888009ca0040 R12: 0000000000000000
[    9.347575][  T228] R13: ffff88800b4b2128 R14: ffff88800b4b2008 R15: ffff88800b4b2000
[    9.347873][  T228] FS:  00007fd41367b740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[    9.348264][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.348520][  T228] CR2: 00005593ef4d8548 CR3: 000000000a7a6003 CR4: 0000000000772ef0
[    9.348816][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.349136][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.349432][  T228] PKRU: 55555554
[    9.349582][  T228] Call Trace:
[    9.349734][  T228]  <TASK>
[ 9.349839][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.350067][ T228] ? __warn (kernel/panic.c:748) 
[ 9.350223][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.350427][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.350634][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.350788][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.350989][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.351253][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.351472][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.351728][ T228] ? _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) 
[ 9.351934][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.352156][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.352365][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.352580][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.352800][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.353080][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.353253][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.353517][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.353776][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.354071][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.354290][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.354550][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.354754][ T228] ? 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)) 
[ 9.354908][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.355140][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.355349][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.355553][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.355755][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.355962][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.356260][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.356463][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.356663][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.356866][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.357091][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.357303][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.357506][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.357706][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.357908][ T228] ? 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) 
[ 9.358140][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.358347][ T228] device_add (drivers/base/core.c:3672) 
[ 9.358553][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.358753][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.358969][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.359268][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.359531][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.359731][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.359940][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.360169][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.360381][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.360543][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.360751][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.360950][ T228] ? 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) 
[ 9.361194][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.361405][ T228] ksys_write (fs/read_write.c:731) 
[ 9.361561][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.361761][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.361978][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.362221][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.362470][  T228] RIP: 0033:0x7fd4137bcb77
[ 9.362677][ T228] 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
[    9.363399][  T228] RSP: 002b:00007ffe170d59c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.363704][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd4137bcb77
[    9.364000][  T228] RDX: 0000000000000005 RSI: 00005591038a3b60 RDI: 0000000000000001
[    9.364348][  T228] RBP: 00005591038a3b60 R08: 0000000000000003 R09: 0000000000000000
[    9.364646][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.364947][  T228] R13: 00007fd413878760 R14: 0000000000000005 R15: 00007fd4138739c0
| [   39.008762][  T311] ------------[ cut here ]------------
| [ 39.009176][ T311] WARNING: CPU: 3 PID: 311 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) 
| [   39.009562][  T311] Modules linked in: netdevsim
| [   39.010107][  T311] Tainted: [W]=WARN
[   39.010254][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.010490][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.010730][ T311] 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
[   39.011402][  T311] RSP: 0018:ffffc900007971e8 EFLAGS: 00010246
[   39.011644][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.011924][  T311] RDX: 0000000000000000 RSI: ffff888005272c98 RDI: ffff888009125080
[   39.012216][  T311] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   39.012499][  T311] R10: ffffffff985ec1e7 R11: ffff8880091245c0 R12: 0000000000000000
[   39.012782][  T311] R13: ffff888005272128 R14: ffff888005272008 R15: ffff888005272000
[   39.013083][  T311] FS:  00007fbab5aec800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   39.013416][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.013656][  T311] CR2: 00005593ef4fa2f8 CR3: 000000000b634001 CR4: 0000000000772ef0
[   39.013942][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.014239][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.014600][  T311] PKRU: 55555554
[   39.014746][  T311] Call Trace:
[   39.014891][  T311]  <TASK>
[ 39.014992][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.015196][ T311] ? __warn (kernel/panic.c:748) 
[ 39.015347][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.015543][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.015741][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.015888][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.016090][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.016294][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.016490][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.016687][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.016930][ T311] ? _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) 
[ 39.017141][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.017337][ T311] register_netdevice (net/core/dev.c:11003) 
[ 39.017536][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.017738][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.017947][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.018205][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.018460][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.018714][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.018964][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.019215][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.019459][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.019698][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.019886][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.020147][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 39.020342][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.020536][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.020786][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.020980][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.021225][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 39.021425][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.021620][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.021868][ T311] ? cap_capable (security/commoncap.c:131) 
[ 39.022068][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.022267][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.022459][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.022651][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.022888][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.023142][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.023392][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.023587][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.023775][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.023968][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.024183][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.024328][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.024518][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.024713][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.024856][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.025062][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.025254][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.025450][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.025642][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.025852][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.026055][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.026254][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.026447][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.026647][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.026833][ T311] ? 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) 
[ 39.027036][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.027232][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.027428][ T311] ? 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) 
[ 39.027620][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.027811][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 39.028014][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.028249][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.028438][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.028669][  T311] RIP: 0033:0x7fbab5cf8a4a
[ 39.028866][ T311] 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
[   39.029519][  T311] RSP: 002b:00007ffcd45c6698 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.029801][  T311] RAX: ffffffffffffffda RBX: 0000000009067b00 RCX: 00007fbab5cf8a4a
[   39.030349][  T311] RDX: 0000000000000034 RSI: 0000000009067b00 RDI: 0000000000000005
[   39.030742][  T311] RBP: 0000000009067910 R08: 00007fbab5e9c200 R09: 000000000000000c
[   39.031031][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.031305][  T311] R13: 0000000009067910 R14: 0000000000000000 R15: 0000000000000001
| [   39.044117][  T311] ------------[ cut here ]------------
| [ 39.044319][ T311] WARNING: CPU: 1 PID: 311 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) 
| [   39.044696][  T311] Modules linked in: netdevsim
| [   39.045308][  T311] Tainted: [W]=WARN
[   39.045456][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.045691][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.045929][ T311] 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
[   39.046675][  T311] RSP: 0018:ffffc900007971e8 EFLAGS: 00010246
[   39.046927][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.047289][  T311] RDX: 0000000000000000 RSI: ffff888002312c98 RDI: ffff888009125080
[   39.047570][  T311] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   39.047845][  T311] R10: ffffffff985ec1e7 R11: ffff8880091245c0 R12: 0000000000000000
[   39.048173][  T311] R13: ffff888002312128 R14: ffff888002312008 R15: ffff888002312000
[   39.048450][  T311] FS:  00007fbab5aec800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   39.048775][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.049018][  T311] CR2: 00005593ef4e94c8 CR3: 000000000b634005 CR4: 0000000000772ef0
[   39.049297][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.049569][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.049845][  T311] PKRU: 55555554
[   39.049988][  T311] Call Trace:
[   39.050138][  T311]  <TASK>
[ 39.050234][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.050421][ T311] ? __warn (kernel/panic.c:748) 
[ 39.050565][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.050753][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.050947][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.051098][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.051287][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.051488][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.051676][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.051871][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.052118][ T311] ? _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) 
[ 39.052309][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.052499][ T311] register_netdevice (net/core/dev.c:11003) 
[ 39.052691][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.052889][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.053111][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.053354][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.053601][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.053844][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.054096][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.054337][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.054567][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.054802][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.054991][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.055249][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 39.055445][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.055638][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.055885][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.056088][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.056327][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 39.056525][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.056720][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.056969][ T311] ? cap_capable (security/commoncap.c:131) 
[ 39.057164][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.057364][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.057557][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.057748][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.057979][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.058222][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.058470][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.058664][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.058851][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.059054][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.059258][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.059403][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.059596][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.059795][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.059940][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.060148][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.060340][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.060537][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.060733][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.060919][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.061118][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.061318][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.061511][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.061718][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.061903][ T311] ? 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) 
[ 39.062099][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.062292][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.062484][ T311] ? 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) 
[ 39.062678][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.062875][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 39.063078][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.063315][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.063507][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.063741][  T311] RIP: 0033:0x7fbab5cf8a4a
[ 39.063933][ T311] 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
[   39.064599][  T311] RSP: 002b:00007ffcd45c6698 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.064882][  T311] RAX: ffffffffffffffda RBX: 0000000009067b00 RCX: 00007fbab5cf8a4a
[   39.065167][  T311] RDX: 0000000000000034 RSI: 0000000009067b00 RDI: 0000000000000005
[   39.065445][  T311] RBP: 0000000009067910 R08: 00007fbab5e9c200 R09: 000000000000000c
[   39.065723][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.065997][  T311] R13: 0000000009067910 R14: 0000000000000000 R15: 0000000000000001
| [   39.076145][  T311] ------------[ cut here ]------------
| [ 39.076357][ T311] WARNING: CPU: 3 PID: 311 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) 
| [   39.076729][  T311] Modules linked in: netdevsim
| [   39.077316][  T311] Tainted: [W]=WARN
[   39.077461][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.077695][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.077933][ T311] 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
[   39.078610][  T311] RSP: 0018:ffffc900007971e8 EFLAGS: 00010246
[   39.078858][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.079147][  T311] RDX: 0000000000000000 RSI: ffff888004f7ac98 RDI: ffff888009125080
[   39.079427][  T311] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   39.079712][  T311] R10: ffffffff985ec1e7 R11: ffff8880091245c0 R12: 0000000000000000
[   39.079989][  T311] R13: ffff888004f7a128 R14: ffff888004f7a008 R15: ffff888004f7a000
[   39.080284][  T311] FS:  00007fbab5aec800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   39.080611][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.080854][  T311] CR2: 00007fafe44615cc CR3: 000000000b634001 CR4: 0000000000772ef0
[   39.081155][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.081436][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.081715][  T311] PKRU: 55555554
[   39.081858][  T311] Call Trace:
[   39.081999][  T311]  <TASK>
[ 39.082151][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.082345][ T311] ? __warn (kernel/panic.c:748) 
[ 39.082489][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.082680][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.082874][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.083035][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.083228][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.083429][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.083624][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.083822][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.084073][ T311] ? _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) 
[ 39.084268][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.084463][ T311] register_netdevice (net/core/dev.c:11003) 
[ 39.084659][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.084873][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.085086][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.085332][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.085589][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.085840][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.086101][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.086353][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.086587][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.086832][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.087029][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.087278][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 39.087474][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.087672][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.087918][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.088122][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.088360][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 39.088559][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.088754][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.089014][ T311] ? cap_capable (security/commoncap.c:131) 
[ 39.089205][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.089403][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.089602][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.089794][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.090043][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.090280][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.090532][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.090723][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.090915][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.091121][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.091326][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.091470][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.091662][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.091863][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.092020][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.092215][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.092405][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.092599][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.092790][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.092976][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.093184][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.093380][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.093570][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.093769][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.093955][ T311] ? 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) 
[ 39.094160][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.094353][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.094549][ T311] ? 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) 
[ 39.094742][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.094935][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 39.095135][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.095374][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.095563][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.095795][  T311] RIP: 0033:0x7fbab5cf8a4a
[ 39.095996][ T311] Code: Unable to access opcode bytes at 0x7fbab5cf8a20.

Code starting with the faulting instruction
===========================================
[   39.096271][  T311] RSP: 002b:00007ffcd45c6698 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.096556][  T311] RAX: ffffffffffffffda RBX: 0000000009067b00 RCX: 00007fbab5cf8a4a
[   39.096843][  T311] RDX: 0000000000000034 RSI: 0000000009067b00 RDI: 0000000000000005
[   39.097138][  T311] RBP: 0000000009067910 R08: 00007fbab5e9c200 R09: 000000000000000c
[   39.097421][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.097695][  T311] R13: 0000000009067910 R14: 0000000000000000 R15: 0000000000000001
| [   39.109801][  T311] ------------[ cut here ]------------
| [ 39.110097][ T311] WARNING: CPU: 3 PID: 311 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) 
| [   39.110474][  T311] Modules linked in: netdevsim
| [   39.110996][  T311] Tainted: [W]=WARN
[   39.111168][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.111402][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.111645][ T311] 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
[   39.112305][  T311] RSP: 0018:ffffc900007971e8 EFLAGS: 00010246
[   39.112539][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.112816][  T311] RDX: 0000000000000000 RSI: ffff88800a572c98 RDI: ffff888009125080
[   39.113112][  T311] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   39.113386][  T311] R10: ffffffff985ec1e7 R11: ffff8880091245c0 R12: 0000000000000000
[   39.113661][  T311] R13: ffff88800a572128 R14: ffff88800a572008 R15: ffff88800a572000
[   39.113950][  T311] FS:  00007fbab5aec800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   39.114292][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.114527][  T311] CR2: 00007fbab5cf8a20 CR3: 000000000b634001 CR4: 0000000000772ef0
[   39.114805][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.115090][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.115374][  T311] PKRU: 55555554
[   39.115521][  T311] Call Trace:
[   39.115662][  T311]  <TASK>
[ 39.115762][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.115953][ T311] ? __warn (kernel/panic.c:748) 
[ 39.116111][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.116304][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.116498][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.116642][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.116838][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.117046][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.117242][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.117439][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.117684][ T311] ? _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) 
[ 39.117878][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.118079][ T311] register_netdevice (net/core/dev.c:11003) 
[ 39.118280][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.118478][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.118685][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.118932][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.119197][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.119451][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.119698][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.119940][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.120183][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.120422][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.120610][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.120864][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 39.121070][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.121271][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.121517][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.121712][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.121952][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 39.122162][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.122364][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.122617][ T311] ? cap_capable (security/commoncap.c:131) 
[ 39.122805][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.123017][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.123215][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.123408][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.123645][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.123880][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.124137][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.124327][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.124515][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.124711][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.124919][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.125077][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.125267][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.125467][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.125613][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.125807][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.126000][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.126206][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.126405][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.126596][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.126788][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.126991][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.127195][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.127396][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.127584][ T311] ? 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) 
[ 39.127774][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.127971][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.128174][ T311] ? 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) 
[ 39.128370][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.128562][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 39.128753][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.128990][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.129196][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.129437][  T311] RIP: 0033:0x7fbab5cf8a4a
[ 39.129635][ T311] Code: Unable to access opcode bytes at 0x7fbab5cf8a20.

Code starting with the faulting instruction
===========================================
[   39.129877][  T311] RSP: 002b:00007ffcd45c6698 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.130177][  T311] RAX: ffffffffffffffda RBX: 0000000009067b00 RCX: 00007fbab5cf8a4a
[   39.130462][  T311] RDX: 0000000000000034 RSI: 0000000009067b00 RDI: 0000000000000005
[   39.130751][  T311] RBP: 0000000009067910 R08: 00007fbab5e9c200 R09: 000000000000000c
[   39.131053][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.131335][  T311] R13: 0000000009067910 R14: 0000000000000000 R15: 0000000000000001
| [   41.661513][  T403] ------------[ cut here ]------------
| [ 41.661811][ T403] WARNING: CPU: 1 PID: 403 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) 
| [   41.662204][  T403] Modules linked in: netdevsim
| [   41.662737][  T403] Tainted: [W]=WARN
[   41.662882][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.663138][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.663381][ T403] 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
[   41.665396][  T403] RSP: 0018:ffffc90000b971e8 EFLAGS: 00010246
[   41.665642][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   41.665923][  T403] RDX: 0000000000000000 RSI: ffff888009c2ac98 RDI: ffff8880024f2dc0
[   41.666213][  T403] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   41.666495][  T403] R10: ffffffff985ec1e7 R11: ffff8880024f2300 R12: 0000000000000000
[   41.666773][  T403] R13: ffff888009c2a128 R14: ffff888009c2a008 R15: ffff888009c2a000
[   41.667076][  T403] FS:  00007f3278480800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   41.667404][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.667651][  T403] CR2: 00007fafe43d05a0 CR3: 0000000005a4c001 CR4: 0000000000772ef0
[   41.667934][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.668233][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.668515][  T403] PKRU: 55555554
[   41.668657][  T403] Call Trace:
[   41.668802][  T403]  <TASK>
[ 41.668902][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.669104][ T403] ? __warn (kernel/panic.c:748) 
[ 41.669254][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.669446][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 41.669648][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 41.669794][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 41.669984][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 41.670198][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.670393][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 41.670589][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 41.670828][ T403] ? _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) 
[ 41.671046][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 41.671244][ T403] register_netdevice (net/core/dev.c:11003) 
[ 41.671439][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 41.671640][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 41.671849][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 41.672107][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 41.672361][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 41.672612][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 41.672857][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 41.673113][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 41.673351][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 41.673587][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 41.673827][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 41.674090][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 41.674287][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 41.674481][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 41.674723][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 41.674917][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.675163][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 41.675360][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 41.675551][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 41.675799][ T403] ? cap_capable (security/commoncap.c:131) 
[ 41.675989][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 41.676196][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 41.676388][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 41.676577][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 41.676810][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.677051][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 41.677295][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 41.677487][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 41.677673][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 41.677867][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 41.678085][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 41.678228][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 41.678419][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 41.678617][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 41.678762][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 41.678954][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 41.679155][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 41.679355][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 41.679548][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 41.679732][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 41.679923][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 41.680128][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 41.680321][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 41.680519][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 41.680705][ T403] ? 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) 
[ 41.680896][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 41.681095][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 41.681286][ T403] ? 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) 
[ 41.681479][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 41.681670][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 41.681858][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 41.682103][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 41.682293][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.682521][  T403] RIP: 0033:0x7f327868ca4a
[ 41.682715][ T403] 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
[   41.683381][  T403] RSP: 002b:00007ffeed4acb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   41.683662][  T403] RAX: ffffffffffffffda RBX: 000000002775cb00 RCX: 00007f327868ca4a
[   41.683937][  T403] RDX: 0000000000000034 RSI: 000000002775cb00 RDI: 0000000000000005
[   41.684223][  T403] RBP: 000000002775c910 R08: 00007f3278830200 R09: 000000000000000c
[   41.684503][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   41.684778][  T403] R13: 000000002775c910 R14: 0000000000000000 R15: 0000000000000001
| [   41.695466][  T403] ------------[ cut here ]------------
| [ 41.695745][ T403] WARNING: CPU: 3 PID: 403 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) 
| [   41.696129][  T403] Modules linked in: netdevsim
| [   41.696656][  T403] Tainted: [W]=WARN
[   41.696802][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.697049][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.697296][ T403] 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
[   41.697953][  T403] RSP: 0018:ffffc90000b971e8 EFLAGS: 00010246
[   41.698334][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   41.698621][  T403] RDX: 0000000000000000 RSI: ffff8880024d2c98 RDI: ffff8880024f2dc0
[   41.698900][  T403] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   41.699193][  T403] R10: ffffffff985ec1e7 R11: ffff8880024f2300 R12: 0000000000000000
[   41.699473][  T403] R13: ffff8880024d2128 R14: ffff8880024d2008 R15: ffff8880024d2000
[   41.699763][  T403] FS:  00007f3278480800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   41.700103][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.700345][  T403] CR2: 00005593ef4dc928 CR3: 0000000005a4c001 CR4: 0000000000772ef0
[   41.700626][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.700910][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.701201][  T403] PKRU: 55555554
[   41.701347][  T403] Call Trace:
[   41.701491][  T403]  <TASK>
[ 41.701589][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.701778][ T403] ? __warn (kernel/panic.c:748) 
[ 41.701923][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.702121][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 41.702321][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 41.702475][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 41.702666][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 41.702868][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.703077][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 41.703273][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 41.703517][ T403] ? _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) 
[ 41.703711][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 41.703909][ T403] register_netdevice (net/core/dev.c:11003) 
[ 41.704110][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 41.704314][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 41.704517][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 41.704763][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 41.705023][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 41.705278][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 41.705525][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 41.705764][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 41.706010][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 41.706249][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 41.706446][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 41.706697][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 41.706892][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 41.707097][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 41.707345][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 41.707537][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.707779][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 41.707984][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 41.708186][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 41.708436][ T403] ? cap_capable (security/commoncap.c:131) 
[ 41.708628][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 41.708826][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 41.709026][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 41.709220][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 41.709459][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.709694][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 41.709935][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 41.710135][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 41.710326][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 41.710516][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 41.710720][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 41.710863][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 41.711062][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 41.711256][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 41.711399][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 41.711593][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 41.711781][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 41.711975][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 41.712181][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 41.712366][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 41.712554][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 41.712749][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 41.712942][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 41.713155][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 41.713459][ T403] ? 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) 
[ 41.713652][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 41.713843][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 41.714043][ T403] ? 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) 
[ 41.714457][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 41.714648][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 41.714836][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 41.715072][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 41.715377][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.715607][  T403] RIP: 0033:0x7f327868ca4a
[ 41.715800][ T403] Code: Unable to access opcode bytes at 0x7f327868ca20.

Code starting with the faulting instruction
===========================================
[   41.716165][  T403] RSP: 002b:00007ffeed4acb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   41.716446][  T403] RAX: ffffffffffffffda RBX: 000000002775cb00 RCX: 00007f327868ca4a
[   41.716727][  T403] RDX: 0000000000000034 RSI: 000000002775cb00 RDI: 0000000000000005
[   41.717011][  T403] RBP: 000000002775c910 R08: 00007f3278830200 R09: 000000000000000c
[   41.717286][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   41.717561][  T403] R13: 000000002775c910 R14: 0000000000000000 R15: 0000000000000001
| [   41.729112][  T403] ------------[ cut here ]------------
| [ 41.729313][ T403] WARNING: CPU: 3 PID: 403 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) 
| [   41.729684][  T403] Modules linked in: netdevsim
| [   41.730265][  T403] Tainted: [W]=WARN
[   41.730409][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.730643][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.730882][ T403] 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
[   41.731540][  T403] RSP: 0018:ffffc90000b971e8 EFLAGS: 00010246
[   41.731774][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   41.732056][  T403] RDX: 0000000000000000 RSI: ffff888009d3ac98 RDI: ffff8880024f2dc0
[   41.732334][  T403] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   41.732607][  T403] R10: ffffffff985ec1e7 R11: ffff8880024f2300 R12: 0000000000000000
[   41.732882][  T403] R13: ffff888009d3a128 R14: ffff888009d3a008 R15: ffff888009d3a000
[   41.733169][  T403] FS:  00007f3278480800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   41.733489][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.733722][  T403] CR2: 00007f327868ca20 CR3: 0000000005a4c001 CR4: 0000000000772ef0
[   41.734009][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.734297][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.734571][  T403] PKRU: 55555554
[   41.734714][  T403] Call Trace:
[   41.734857][  T403]  <TASK>
[ 41.734954][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.735147][ T403] ? __warn (kernel/panic.c:748) 
[ 41.735292][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.735484][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 41.735675][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 41.735819][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 41.736016][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 41.736220][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.736409][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 41.736601][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 41.736839][ T403] ? _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) 
[ 41.737039][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 41.737229][ T403] register_netdevice (net/core/dev.c:11003) 
[ 41.737422][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 41.737621][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 41.737823][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 41.738075][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 41.738324][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 41.738569][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 41.738816][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 41.739060][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 41.739291][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 41.739523][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 41.739711][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 41.739958][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 41.740161][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 41.740357][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 41.740599][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 41.740796][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.741040][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 41.741238][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 41.741430][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 41.741684][ T403] ? cap_capable (security/commoncap.c:131) 
[ 41.741877][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 41.742077][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 41.742268][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 41.742457][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 41.742691][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.742923][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 41.743193][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 41.743389][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 41.743576][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 41.743769][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 41.743972][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 41.744126][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 41.744319][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 41.744521][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 41.744672][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 41.744868][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 41.745072][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 41.745268][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 41.745463][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 41.745648][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 41.745846][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 41.746049][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 41.746239][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 41.746437][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 41.746622][ T403] ? 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) 
[ 41.746811][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 41.747010][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 41.747202][ T403] ? 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) 
[ 41.747405][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 41.747597][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 41.747786][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 41.748027][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 41.748220][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.748451][  T403] RIP: 0033:0x7f327868ca4a
[ 41.748647][ T403] Code: Unable to access opcode bytes at 0x7f327868ca20.

Code starting with the faulting instruction
===========================================
[   41.748890][  T403] RSP: 002b:00007ffeed4acb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   41.749195][  T403] RAX: ffffffffffffffda RBX: 000000002775cb00 RCX: 00007f327868ca4a
[   41.749476][  T403] RDX: 0000000000000034 RSI: 000000002775cb00 RDI: 0000000000000005
[   41.749755][  T403] RBP: 000000002775c910 R08: 00007f3278830200 R09: 000000000000000c
[   41.750044][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   41.750322][  T403] R13: 000000002775c910 R14: 0000000000000000 R15: 0000000000000001
| [   41.762595][  T403] ------------[ cut here ]------------
| [ 41.762796][ T403] WARNING: CPU: 3 PID: 403 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) 
| [   41.763200][  T403] Modules linked in: netdevsim
| [   41.763725][  T403] Tainted: [W]=WARN
[   41.763876][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.764121][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.764364][ T403] 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
[   41.765029][  T403] RSP: 0018:ffffc90000b971e8 EFLAGS: 00010246
[   41.765268][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   41.765547][  T403] RDX: 0000000000000000 RSI: ffff888005522c98 RDI: ffff8880024f2dc0
[   41.765823][  T403] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   41.766112][  T403] R10: ffffffff985ec1e7 R11: ffff8880024f2300 R12: 0000000000000000
[   41.766390][  T403] R13: ffff888005522128 R14: ffff888005522008 R15: ffff888005522000
[   41.766665][  T403] FS:  00007f3278480800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   41.766990][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.767236][  T403] CR2: 00007f327868ca20 CR3: 0000000005a4c001 CR4: 0000000000772ef0
[   41.767518][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.767796][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.768079][  T403] PKRU: 55555554
[   41.768222][  T403] Call Trace:
[   41.768363][  T403]  <TASK>
[ 41.768460][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.768650][ T403] ? __warn (kernel/panic.c:748) 
[ 41.768795][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.768984][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 41.769188][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 41.769332][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 41.769521][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 41.769721][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 41.769915][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 41.770120][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 41.770361][ T403] ? _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) 
[ 41.770557][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 41.770751][ T403] register_netdevice (net/core/dev.c:11003) 
[ 41.770945][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 41.771153][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 41.771364][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 41.771611][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 41.771864][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 41.772121][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 41.772367][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 41.772612][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 41.772845][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 41.773125][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 41.773313][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 41.773558][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 41.773750][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 41.773947][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 41.774201][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 41.774397][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.774634][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 41.774833][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 41.775035][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 41.775285][ T403] ? cap_capable (security/commoncap.c:131) 
[ 41.775478][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 41.775674][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 41.775871][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 41.776071][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 41.776307][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 41.776540][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 41.776795][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 41.777017][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 41.777210][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 41.777399][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 41.777604][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 41.777749][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 41.777941][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 41.778150][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 41.778297][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 41.778490][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 41.778684][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 41.778879][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 41.779081][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 41.779269][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 41.779462][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 41.779663][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 41.779855][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 41.780064][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 41.780252][ T403] ? 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) 
[ 41.780443][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 41.780637][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 41.780830][ T403] ? 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) 
[ 41.781034][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 41.781228][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 41.781418][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 41.781651][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 41.781844][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.782085][  T403] RIP: 0033:0x7f327868ca4a
[ 41.782280][ T403] Code: Unable to access opcode bytes at 0x7f327868ca20.

Code starting with the faulting instruction
===========================================
[   41.782525][  T403] RSP: 002b:00007ffeed4acb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   41.782812][  T403] RAX: ffffffffffffffda RBX: 000000002775cb00 RCX: 00007f327868ca4a
[   41.783104][  T403] RDX: 0000000000000034 RSI: 000000002775cb00 RDI: 0000000000000005
[   41.783386][  T403] RBP: 000000002775c910 R08: 00007f3278830200 R09: 000000000000000c
[   41.783663][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   41.783942][  T403] R13: 000000002775c910 R14: 0000000000000000 R15: 0000000000000001
| [   42.164452][  T417] ------------[ cut here ]------------
| [ 42.164748][ T417] WARNING: CPU: 0 PID: 417 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) 
| [   42.165137][  T417] Modules linked in: netdevsim
| [   42.165657][  T417] Tainted: [W]=WARN
[   42.165803][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.166050][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.166290][ T417] 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
[   42.166938][  T417] RSP: 0018:ffffc90000bd71e8 EFLAGS: 00010246
[   42.167187][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.167467][  T417] RDX: 0000000000000000 RSI: ffff88800dc32c98 RDI: ffff888004ebd080
[   42.167745][  T417] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.168029][  T417] R10: ffffffff985ec1e7 R11: ffff888004ebc5c0 R12: 0000000000000000
[   42.168306][  T417] R13: ffff88800dc32128 R14: ffff88800dc32008 R15: ffff88800dc32000
[   42.168582][  T417] FS:  00007f916d744800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.168904][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.169237][  T417] CR2: 000000000041ecd0 CR3: 000000000d088006 CR4: 0000000000772ef0
[   42.169519][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.169798][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.170159][  T417] PKRU: 55555554
[   42.170302][  T417] Call Trace:
[   42.170444][  T417]  <TASK>
[ 42.170542][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.170732][ T417] ? __warn (kernel/panic.c:748) 
[ 42.170878][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.171113][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.171307][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.171454][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.171643][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.171846][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.172044][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.172239][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.172480][ T417] ? _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) 
[ 42.172672][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.172863][ T417] register_netdevice (net/core/dev.c:11003) 
[ 42.173072][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.173270][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.173474][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.173718][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.173966][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.174222][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.174468][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.174705][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.174943][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.175188][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.175434][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 42.175626][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.175820][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.176070][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.176266][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.176502][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 42.176698][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.176889][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.177144][ T417] ? cap_capable (security/commoncap.c:131) 
[ 42.177331][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.177526][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.177715][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.177902][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.178140][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.178370][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.178613][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.178802][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.178988][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.179185][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.179389][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.179532][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.179719][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.179913][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.180065][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.180256][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.180444][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.180637][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.180828][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.181021][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.181209][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.181406][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.181596][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.181793][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.181976][ T417] ? 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) 
[ 42.182174][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.182364][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.182554][ T417] ? 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) 
[ 42.182746][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.182938][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 42.183141][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.183378][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.183567][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.183795][  T417] RIP: 0033:0x7f916d950a4a
[ 42.183986][ T417] 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
[   42.184642][  T417] RSP: 002b:00007fffd9d5f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.184923][  T417] RAX: ffffffffffffffda RBX: 0000000000833b00 RCX: 00007f916d950a4a
[   42.185204][  T417] RDX: 0000000000000034 RSI: 0000000000833b00 RDI: 0000000000000005
[   42.185479][  T417] RBP: 0000000000833910 R08: 00007f916daf4200 R09: 000000000000000c
[   42.185756][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.186038][  T417] R13: 0000000000833910 R14: 0000000000000000 R15: 0000000000000001
| [   42.197626][  T417] ------------[ cut here ]------------
| [ 42.197828][ T417] WARNING: CPU: 0 PID: 417 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) 
| [   42.198273][  T417] Modules linked in: netdevsim
| [   42.198790][  T417] Tainted: [W]=WARN
[   42.198932][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.199184][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.199423][ T417] 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
[   42.200072][  T417] RSP: 0018:ffffc90000bd71e8 EFLAGS: 00010246
[   42.200312][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.200586][  T417] RDX: 0000000000000000 RSI: ffff888005daac98 RDI: ffff888004ebd080
[   42.200861][  T417] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.201143][  T417] R10: ffffffff985ec1e7 R11: ffff888004ebc5c0 R12: 0000000000000000
[   42.201421][  T417] R13: ffff888005daa128 R14: ffff888005daa008 R15: ffff888005daa000
[   42.201693][  T417] FS:  00007f916d744800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.202019][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.202251][  T417] CR2: 000000000041ecd0 CR3: 000000000d088006 CR4: 0000000000772ef0
[   42.202527][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.202805][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.203096][  T417] PKRU: 55555554
[   42.203237][  T417] Call Trace:
[   42.203376][  T417]  <TASK>
[ 42.203472][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.203658][ T417] ? __warn (kernel/panic.c:748) 
[ 42.203799][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.203994][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.204197][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.204342][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.204529][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.204728][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.204916][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.205118][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.205361][ T417] ? _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) 
[ 42.205552][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.205742][ T417] register_netdevice (net/core/dev.c:11003) 
[ 42.205933][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.206140][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.206342][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.206587][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.206836][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.207089][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.207330][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.207567][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.207797][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.208040][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.208286][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 42.208477][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.208666][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.208907][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.209106][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.209344][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 42.209539][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.209729][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.209972][ T417] ? cap_capable (security/commoncap.c:131) 
[ 42.210164][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.210359][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.210548][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.210739][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.210969][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.211206][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.211449][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.211639][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.211826][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.212023][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.212227][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.212372][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.212562][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.212756][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.212899][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.213107][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.213297][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.213494][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.213685][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.213870][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.214067][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.214262][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.214458][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.214657][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.214842][ T417] ? 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) 
[ 42.215040][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.215233][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.215422][ T417] ? 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) 
[ 42.215613][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.215802][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 42.215991][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.216231][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.216422][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.216651][  T417] RIP: 0033:0x7f916d950a4a
[ 42.216842][ T417] 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
[   42.217490][  T417] RSP: 002b:00007fffd9d5f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.217773][  T417] RAX: ffffffffffffffda RBX: 0000000000833b00 RCX: 00007f916d950a4a
[   42.218058][  T417] RDX: 0000000000000034 RSI: 0000000000833b00 RDI: 0000000000000005
[   42.218332][  T417] RBP: 0000000000833910 R08: 00007f916daf4200 R09: 000000000000000c
[   42.218608][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.218887][  T417] R13: 0000000000833910 R14: 0000000000000000 R15: 0000000000000001
| [   42.240027][  T417] ------------[ cut here ]------------
| [ 42.240305][ T417] WARNING: CPU: 0 PID: 417 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) 
| [   42.240676][  T417] Modules linked in: netdevsim
| [   42.241210][  T417] Tainted: [W]=WARN
[   42.241353][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.241582][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.241819][ T417] 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
[   42.242477][  T417] RSP: 0018:ffffc90000bd71e8 EFLAGS: 00010246
[   42.242711][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.242993][  T417] RDX: 0000000000000000 RSI: ffff88800a842c98 RDI: ffff888004ebd080
[   42.243280][  T417] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.243558][  T417] R10: ffffffff985ec1e7 R11: ffff888004ebc5c0 R12: 0000000000000000
[   42.243833][  T417] R13: ffff88800a842128 R14: ffff88800a842008 R15: ffff88800a842000
[   42.244116][  T417] FS:  00007f916d744800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.244437][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.244672][  T417] CR2: 000000000041ecd0 CR3: 000000000d088006 CR4: 0000000000772ef0
[   42.244948][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.245233][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.245506][  T417] PKRU: 55555554
[   42.245645][  T417] Call Trace:
[   42.245787][  T417]  <TASK>
[ 42.245886][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.246080][ T417] ? __warn (kernel/panic.c:748) 
[ 42.246224][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.246413][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.246604][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.246745][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.246930][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.247138][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.247331][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.247522][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.247759][ T417] ? _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) 
[ 42.247951][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.248151][ T417] register_netdevice (net/core/dev.c:11003) 
[ 42.248342][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.248543][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.248743][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.248985][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.249245][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.249491][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.249731][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.249972][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.250211][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.250443][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.250689][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 42.250880][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.251081][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.251321][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.251510][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.251742][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 42.251937][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.252137][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.252389][ T417] ? cap_capable (security/commoncap.c:131) 
[ 42.252575][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.252768][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.252958][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.253163][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.253391][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.253621][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.253866][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.254064][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.254250][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.254438][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.254638][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.254781][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.254973][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.255179][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.255324][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.255515][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.255704][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.255897][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.256097][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.256282][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.256469][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.256663][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.256853][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.257061][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.257246][ T417] ? 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) 
[ 42.257433][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.257623][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.257812][ T417] ? 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) 
[ 42.258013][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.258207][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 42.258394][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.258625][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.258812][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.259086][  T417] RIP: 0033:0x7f916d950a4a
[ 42.259278][ T417] 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
[   42.259923][  T417] RSP: 002b:00007fffd9d5f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.260305][  T417] RAX: ffffffffffffffda RBX: 0000000000833b00 RCX: 00007f916d950a4a
[   42.260581][  T417] RDX: 0000000000000034 RSI: 0000000000833b00 RDI: 0000000000000005
[   42.260858][  T417] RBP: 0000000000833910 R08: 00007f916daf4200 R09: 000000000000000c
[   42.261141][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.261415][  T417] R13: 0000000000833910 R14: 0000000000000000 R15: 0000000000000001
| [   42.274223][  T417] ------------[ cut here ]------------
| [ 42.274422][ T417] WARNING: CPU: 0 PID: 417 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) 
| [   42.274787][  T417] Modules linked in: netdevsim
| [   42.275323][  T417] Tainted: [W]=WARN
[   42.275465][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.275707][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.275943][ T417] 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
[   42.276601][  T417] RSP: 0018:ffffc90000bd71e8 EFLAGS: 00010246
[   42.276836][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.277120][  T417] RDX: 0000000000000000 RSI: ffff88800a892c98 RDI: ffff888004ebd080
[   42.277395][  T417] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.277671][  T417] R10: ffffffff985ec1e7 R11: ffff888004ebc5c0 R12: 0000000000000000
[   42.277944][  T417] R13: ffff88800a892128 R14: ffff88800a892008 R15: ffff88800a892000
[   42.278226][  T417] FS:  00007f916d744800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.278547][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.278779][  T417] CR2: 00005593ef4b1100 CR3: 000000000d088006 CR4: 0000000000772ef0
[   42.279070][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.279344][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.279618][  T417] PKRU: 55555554
[   42.279758][  T417] Call Trace:
[   42.279897][  T417]  <TASK>
[ 42.279992][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.280193][ T417] ? __warn (kernel/panic.c:748) 
[ 42.280338][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.280528][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.280720][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.280861][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.281059][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.281258][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.281445][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.281642][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.281880][ T417] ? _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) 
[ 42.282081][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.282271][ T417] register_netdevice (net/core/dev.c:11003) 
[ 42.282464][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.282662][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.282867][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.283125][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.283374][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.283618][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.283859][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.284108][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.284338][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.284571][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.284819][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 42.285018][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.285209][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.285451][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.285642][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.285875][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 42.286081][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.286270][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.286514][ T417] ? cap_capable (security/commoncap.c:131) 
[ 42.286699][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.286894][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.287092][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.287280][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.287507][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.287736][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.287977][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.288176][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.288367][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.288557][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.288758][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.288900][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.289099][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.289292][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.289435][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.289627][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.289816][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.290019][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.290212][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.290396][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.290584][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.290778][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.290968][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.291177][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.291363][ T417] ? 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) 
[ 42.291552][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.291742][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.291935][ T417] ? 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) 
[ 42.292136][ T417] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.292328][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 42.292516][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.292747][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.292935][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.293178][  T417] RIP: 0033:0x7f916d950a4a
[ 42.293368][ T417] 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
[   42.294023][  T417] RSP: 002b:00007fffd9d5f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.294302][  T417] RAX: ffffffffffffffda RBX: 0000000000833b00 RCX: 00007f916d950a4a
[   42.294576][  T417] RDX: 0000000000000034 RSI: 0000000000833b00 RDI: 0000000000000005
[   42.294850][  T417] RBP: 0000000000833910 R08: 00007f916daf4200 R09: 000000000000000c
[   42.295137][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.295410][  T417] R13: 0000000000833910 R14: 0000000000000000 R15: 0000000000000001
| [   42.647813][  T428] ------------[ cut here ]------------
| [ 42.648200][ T428] WARNING: CPU: 3 PID: 428 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) 
| [   42.648576][  T428] Modules linked in: netdevsim
| [   42.649185][  T428] Tainted: [W]=WARN
[   42.649329][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.649563][ T428] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.649800][ T428] 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
[   42.650536][  T428] RSP: 0018:ffffc90000c471e8 EFLAGS: 00010246
[   42.650774][  T428] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.651139][  T428] RDX: 0000000000000000 RSI: ffff8880025c2c98 RDI: ffff888002390b00
[   42.651413][  T428] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.651689][  T428] R10: ffffffff985ec1e7 R11: ffff888002390040 R12: 0000000000000000
[   42.651964][  T428] R13: ffff8880025c2128 R14: ffff8880025c2008 R15: ffff8880025c2000
[   42.652315][  T428] FS:  00007fafc62cd800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   42.652638][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.652871][  T428] CR2: 00007fafe47ef400 CR3: 00000000092f0002 CR4: 0000000000772ef0
[   42.653172][  T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.653449][  T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.653727][  T428] PKRU: 55555554
[   42.653869][  T428] Call Trace:
[   42.654021][  T428]  <TASK>
[ 42.654119][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.654307][ T428] ? __warn (kernel/panic.c:748) 
[ 42.654453][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.654642][ T428] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.654837][ T428] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.654984][ T428] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.655181][ T428] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.655380][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.655569][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.655761][ T428] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.656000][ T428] ? _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) 
[ 42.656203][ T428] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.656395][ T428] register_netdevice (net/core/dev.c:11003) 
[ 42.656591][ T428] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.656789][ T428] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.656995][ T428] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.657248][ T428] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.657500][ T428] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.657746][ T428] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.657988][ T428] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.658237][ T428] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.658472][ T428] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.658705][ T428] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.658890][ T428] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.659148][ T428] devlink_reload (net/devlink/dev.c:474) 
[ 42.659340][ T428] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.659529][ T428] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.659770][ T428] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.659962][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.660203][ T428] ? __nla_parse (lib/nlattr.c:732) 
[ 42.660403][ T428] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.660596][ T428] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.660842][ T428] ? cap_capable (security/commoncap.c:131) 
[ 42.661038][ T428] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.661235][ T428] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.661427][ T428] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.661614][ T428] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.661849][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.662091][ T428] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.662334][ T428] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.662523][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.662710][ T428] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.662901][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.663118][ T428] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.663263][ T428] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.663453][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.663647][ T428] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.663790][ T428] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.663983][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.664180][ T428] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.664376][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.664567][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.664753][ T428] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.664940][ T428] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.665144][ T428] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.665338][ T428] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.665536][ T428] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.665719][ T428] ? 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) 
[ 42.665909][ T428] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.666111][ T428] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.666303][ T428] ? 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) 
[ 42.666493][ T428] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.666684][ T428] __x64_sys_sendto (net/socket.c:2181) 
[ 42.666872][ T428] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.667110][ T428] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.667299][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.667530][  T428] RIP: 0033:0x7fafc64d9a4a
[ 42.667721][ T428] 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
[   42.668379][  T428] RSP: 002b:00007fffb78160f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.668657][  T428] RAX: ffffffffffffffda RBX: 000000002f861b00 RCX: 00007fafc64d9a4a
[   42.668934][  T428] RDX: 0000000000000034 RSI: 000000002f861b00 RDI: 0000000000000005
[   42.669216][  T428] RBP: 000000002f861910 R08: 00007fafc667d200 R09: 000000000000000c
[   42.669496][  T428] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.669775][  T428] R13: 000000002f861910 R14: 0000000000000000 R15: 0000000000000001
| [   42.681586][  T428] ------------[ cut here ]------------
| [ 42.681791][ T428] WARNING: CPU: 3 PID: 428 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) 
| [   42.682269][  T428] Modules linked in: netdevsim
| [   42.682787][  T428] Tainted: [W]=WARN
[   42.682929][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.683181][ T428] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.683419][ T428] 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
[   42.684069][  T428] RSP: 0018:ffffc90000c471e8 EFLAGS: 00010246
[   42.684305][  T428] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.684584][  T428] RDX: 0000000000000000 RSI: ffff88800b53ac98 RDI: ffff888002390b00
[   42.684858][  T428] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.685141][  T428] R10: ffffffff985ec1e7 R11: ffff888002390040 R12: 0000000000000000
[   42.685416][  T428] R13: ffff88800b53a128 R14: ffff88800b53a008 R15: ffff88800b53a000
[   42.685700][  T428] FS:  00007fafc62cd800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   42.686026][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.686259][  T428] CR2: 00007fafe47ef400 CR3: 00000000092f0002 CR4: 0000000000772ef0
[   42.686536][  T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.686816][  T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.687099][  T428] PKRU: 55555554
[   42.687239][  T428] Call Trace:
[   42.687381][  T428]  <TASK>
[ 42.687477][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.687663][ T428] ? __warn (kernel/panic.c:748) 
[ 42.687806][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.687998][ T428] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.688200][ T428] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.688343][ T428] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.688531][ T428] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.688731][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.688919][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.689127][ T428] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.689364][ T428] ? _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) 
[ 42.689559][ T428] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.689748][ T428] register_netdevice (net/core/dev.c:11003) 
[ 42.689939][ T428] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.690145][ T428] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.690347][ T428] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.690589][ T428] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.690841][ T428] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.691097][ T428] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.691338][ T428] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.691574][ T428] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.691806][ T428] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.692050][ T428] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.692235][ T428] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.692480][ T428] devlink_reload (net/devlink/dev.c:474) 
[ 42.692670][ T428] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.692858][ T428] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.693111][ T428] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.693303][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.693540][ T428] ? __nla_parse (lib/nlattr.c:732) 
[ 42.693735][ T428] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.693924][ T428] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.694177][ T428] ? cap_capable (security/commoncap.c:131) 
[ 42.694363][ T428] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.694554][ T428] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.694744][ T428] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.694936][ T428] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.695173][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.695400][ T428] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.695641][ T428] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.695832][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.696025][ T428] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.696230][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.696431][ T428] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.696574][ T428] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.696763][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.696957][ T428] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.697107][ T428] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.697300][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.697489][ T428] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.697684][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.697875][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.698069][ T428] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.698257][ T428] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.698450][ T428] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.698640][ T428] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.698838][ T428] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.699030][ T428] ? 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) 
[ 42.699221][ T428] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.699412][ T428] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.699602][ T428] ? 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) 
[ 42.699791][ T428] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.699981][ T428] __x64_sys_sendto (net/socket.c:2181) 
[ 42.700177][ T428] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.700411][ T428] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.700599][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.700828][  T428] RIP: 0033:0x7fafc64d9a4a
[ 42.701025][ T428] 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
[   42.701668][  T428] RSP: 002b:00007fffb78160f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.701949][  T428] RAX: ffffffffffffffda RBX: 000000002f861b00 RCX: 00007fafc64d9a4a
[   42.702234][  T428] RDX: 0000000000000034 RSI: 000000002f861b00 RDI: 0000000000000005
[   42.702506][  T428] RBP: 000000002f861910 R08: 00007fafc667d200 R09: 000000000000000c
[   42.702780][  T428] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.703074][  T428] R13: 000000002f861910 R14: 0000000000000000 R15: 0000000000000001
| [   42.712742][  T428] ------------[ cut here ]------------
| [ 42.712945][ T428] WARNING: CPU: 3 PID: 428 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) 
| [   42.713326][  T428] Modules linked in: netdevsim
| [   42.713845][  T428] Tainted: [W]=WARN
[   42.713987][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.714233][ T428] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.714470][ T428] 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
[   42.715124][  T428] RSP: 0018:ffffc90000c471e8 EFLAGS: 00010246
[   42.715359][  T428] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.715638][  T428] RDX: 0000000000000000 RSI: ffff88800b84ac98 RDI: ffff888002390b00
[   42.715912][  T428] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.716920][  T428] R10: ffffffff985ec1e7 R11: ffff888002390040 R12: 0000000000000000
[   42.717280][  T428] R13: ffff88800b84a128 R14: ffff88800b84a008 R15: ffff88800b84a000
[   42.717561][  T428] FS:  00007fafc62cd800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   42.717880][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.718196][  T428] CR2: 00007fafe47ef400 CR3: 00000000092f0002 CR4: 0000000000772ef0
[   42.718475][  T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.718754][  T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.719115][  T428] PKRU: 55555554
[   42.719257][  T428] Call Trace:
[   42.719397][  T428]  <TASK>
[ 42.719493][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.719681][ T428] ? __warn (kernel/panic.c:748) 
[ 42.719824][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.720093][ T428] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.720293][ T428] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.720436][ T428] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.720622][ T428] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.720820][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.721092][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.721307][ T428] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.721544][ T428] ? _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) 
[ 42.721740][ T428] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.721931][ T428] register_netdevice (net/core/dev.c:11003) 
[ 42.722204][ T428] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.722402][ T428] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.722603][ T428] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.722845][ T428] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.723186][ T428] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.723435][ T428] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.723675][ T428] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.723912][ T428] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.724223][ T428] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.724459][ T428] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.724644][ T428] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.724891][ T428] devlink_reload (net/devlink/dev.c:474) 
[ 42.725165][ T428] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.725356][ T428] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.725596][ T428] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.725787][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.726116][ T428] ? __nla_parse (lib/nlattr.c:732) 
[ 42.726315][ T428] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.726505][ T428] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.726749][ T428] ? cap_capable (security/commoncap.c:131) 
[ 42.726934][ T428] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.727205][ T428] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.727395][ T428] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.727588][ T428] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.727816][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.728124][ T428] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.728366][ T428] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.728554][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.728740][ T428] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.728928][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.729214][ T428] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.729358][ T428] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.729547][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.729740][ T428] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.729882][ T428] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.730151][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.730339][ T428] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.730535][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.730726][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.730909][ T428] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.731181][ T428] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.731377][ T428] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.731565][ T428] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.731761][ T428] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.731944][ T428] ? 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) 
[ 42.732216][ T428] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.732406][ T428] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.732595][ T428] ? 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) 
[ 42.732785][ T428] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.732975][ T428] __x64_sys_sendto (net/socket.c:2181) 
[ 42.733249][ T428] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.733480][ T428] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.733672][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.733899][  T428] RIP: 0033:0x7fafc64d9a4a
[ 42.734171][ T428] 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
[   42.734811][  T428] RSP: 002b:00007fffb78160f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.735175][  T428] RAX: ffffffffffffffda RBX: 000000002f861b00 RCX: 00007fafc64d9a4a
[   42.735449][  T428] RDX: 0000000000000034 RSI: 000000002f861b00 RDI: 0000000000000005
[   42.735724][  T428] RBP: 000000002f861910 R08: 00007fafc667d200 R09: 000000000000000c
[   42.735996][  T428] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.736356][  T428] R13: 000000002f861910 R14: 0000000000000000 R15: 0000000000000001
| [   42.760548][  T428] ------------[ cut here ]------------
| [ 42.760836][ T428] WARNING: CPU: 3 PID: 428 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) 
| [   42.761220][  T428] Modules linked in: netdevsim
| [   42.761734][  T428] Tainted: [W]=WARN
[   42.761875][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.762117][ T428] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.762353][ T428] 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
[   42.763011][  T428] RSP: 0018:ffffc90000c471e8 EFLAGS: 00010246
[   42.763245][  T428] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.763518][  T428] RDX: 0000000000000000 RSI: ffff88800b432c98 RDI: ffff888002390b00
[   42.763792][  T428] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   42.764074][  T428] R10: ffffffff985ec1e7 R11: ffff888002390040 R12: 0000000000000000
[   42.764350][  T428] R13: ffff88800b432128 R14: ffff88800b432008 R15: ffff88800b432000
[   42.764628][  T428] FS:  00007fafc62cd800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   42.764951][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.765199][  T428] CR2: 00007fafe47ef400 CR3: 00000000092f0002 CR4: 0000000000772ef0
[   42.765478][  T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.765753][  T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.766038][  T428] PKRU: 55555554
[   42.766178][  T428] Call Trace:
[   42.766329][  T428]  <TASK>
[ 42.766425][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.766613][ T428] ? __warn (kernel/panic.c:748) 
[ 42.766755][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.766942][ T428] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.767147][ T428] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.767291][ T428] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.767478][ T428] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.767676][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.767867][ T428] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.768069][ T428] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.768308][ T428] ? _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) 
[ 42.768499][ T428] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.768689][ T428] register_netdevice (net/core/dev.c:11003) 
[ 42.768881][ T428] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.769091][ T428] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.769295][ T428] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.769536][ T428] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.769786][ T428] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.770042][ T428] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.770284][ T428] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.770525][ T428] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.770753][ T428] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.770983][ T428] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.771179][ T428] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.771427][ T428] devlink_reload (net/devlink/dev.c:474) 
[ 42.771616][ T428] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.771809][ T428] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.772059][ T428] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.772249][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.772481][ T428] ? __nla_parse (lib/nlattr.c:732) 
[ 42.772676][ T428] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.772865][ T428] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.773125][ T428] ? cap_capable (security/commoncap.c:131) 
[ 42.773315][ T428] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.773507][ T428] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.773697][ T428] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.773884][ T428] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.774123][ T428] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.774354][ T428] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.774598][ T428] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.774787][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.774973][ T428] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.775175][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.775376][ T428] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.775518][ T428] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.775707][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.775900][ T428] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.776054][ T428] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.776247][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.776434][ T428] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.776627][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.776819][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.777013][ T428] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.777207][ T428] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.777402][ T428] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.777596][ T428] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.777795][ T428] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.777981][ T428] ? 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) 
[ 42.778177][ T428] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.778369][ T428] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.778560][ T428] ? 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) 
[ 42.778750][ T428] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.778945][ T428] __x64_sys_sendto (net/socket.c:2181) 
[ 42.779155][ T428] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.779387][ T428] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.779576][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.779808][  T428] RIP: 0033:0x7fafc64d9a4a
[ 42.779999][ T428] 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
[   42.780656][  T428] RSP: 002b:00007fffb78160f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.780933][  T428] RAX: ffffffffffffffda RBX: 000000002f861b00 RCX: 00007fafc64d9a4a
[   42.781216][  T428] RDX: 0000000000000034 RSI: 000000002f861b00 RDI: 0000000000000005
[   42.781492][  T428] RBP: 000000002f861910 R08: 00007fafc667d200 R09: 000000000000000c
[   42.781767][  T428] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.782050][  T428] R13: 000000002f861910 R14: 0000000000000000 R15: 0000000000000001
| [   43.293925][  T451] ------------[ cut here ]------------
| [ 43.294163][ T451] WARNING: CPU: 0 PID: 451 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) 
| [   43.294548][  T451] Modules linked in: netdevsim
| [   43.295086][  T451] Tainted: [W]=WARN
[   43.295232][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.295466][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.295706][ T451] 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
[   43.296378][  T451] RSP: 0018:ffffc90000c871e8 EFLAGS: 00010246
[   43.296618][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.296900][  T451] RDX: 0000000000000000 RSI: ffff88800a842c98 RDI: ffff88800a852dc0
[   43.297194][  T451] RBP: ffff88800dda8040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.297476][  T451] R10: ffffffff985ec1e7 R11: ffff88800a852300 R12: 0000000000000000
[   43.297759][  T451] R13: ffff88800a842128 R14: ffff88800a842008 R15: ffff88800a842000
[   43.298050][  T451] FS:  00007f29452aa800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.298377][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.298615][  T451] CR2: 00007fafe43d05a0 CR3: 00000000092f0003 CR4: 0000000000772ef0
[   43.298906][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.299194][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.299473][  T451] PKRU: 55555554
[   43.299616][  T451] Call Trace:
[   43.299758][  T451]  <TASK>
[ 43.299856][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.300056][ T451] ? __warn (kernel/panic.c:748) 
[ 43.300206][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.300397][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.300592][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.300740][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.300927][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.301137][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.301330][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.301526][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.301765][ T451] ? _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) 
[ 43.301959][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.302164][ T451] register_netdevice (net/core/dev.c:11003) 
[ 43.302362][ T451] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.302562][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.302769][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.303032][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.303289][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.303541][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.303788][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.304035][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.304272][ T451] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.304520][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 43.304714][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.304908][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.305115][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.305300][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.305453][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.305647][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.305883][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 43.306086][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.306279][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.306525][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.306714][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.306909][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.307111][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.307304][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.307537][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.307769][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.308026][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.308220][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.308406][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.308599][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.308801][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.308945][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.309149][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.309347][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.309488][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.309682][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.309873][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.310078][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.310272][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.310458][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.310649][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.310847][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.311047][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.311237][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.311426][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.311635][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.311826][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.312072][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.312273][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.312516][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.312714][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 43.312904][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.313156][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.313349][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.313582][  T451] RIP: 0033:0x7f29454b6a4a
[ 43.313782][ T451] 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
[   43.314443][  T451] RSP: 002b:00007ffdc6e393b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.314727][  T451] RAX: ffffffffffffffda RBX: 000000002b318b00 RCX: 00007f29454b6a4a
[   43.315019][  T451] RDX: 000000000000003c RSI: 000000002b318b00 RDI: 0000000000000005
[   43.315304][  T451] RBP: 000000002b318910 R08: 00007f294565a200 R09: 000000000000000c
[   43.315584][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.315863][  T451] R13: 000000002b318910 R14: 0000000000000000 R15: 0000000000000001
| [   43.328821][  T451] ------------[ cut here ]------------
| [ 43.329041][ T451] WARNING: CPU: 0 PID: 451 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) 
| [   43.329416][  T451] Modules linked in: netdevsim
| [   43.329940][  T451] Tainted: [W]=WARN
[   43.330093][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.330324][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.330563][ T451] 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
[   43.331219][  T451] RSP: 0018:ffffc90000c871e8 EFLAGS: 00010246
[   43.331455][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.331731][  T451] RDX: 0000000000000000 RSI: ffff888005daac98 RDI: ffff88800a852dc0
[   43.332014][  T451] RBP: ffff88800dda8040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.332296][  T451] R10: ffffffff985ec1e7 R11: ffff88800a852300 R12: 0000000000000000
[   43.332576][  T451] R13: ffff888005daa128 R14: ffff888005daa008 R15: ffff888005daa000
[   43.332855][  T451] FS:  00007f29452aa800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.333192][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.333429][  T451] CR2: 00007fafe43d05a0 CR3: 00000000092f0003 CR4: 0000000000772ef0
[   43.333705][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.333983][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.334347][  T451] PKRU: 55555554
[   43.334490][  T451] Call Trace:
[   43.334632][  T451]  <TASK>
[ 43.334732][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.334919][ T451] ? __warn (kernel/panic.c:748) 
[ 43.335127][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.335318][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.335512][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.335656][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.335842][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.336048][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.336243][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.336435][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.336673][ T451] ? _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) 
[ 43.336867][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.337067][ T451] register_netdevice (net/core/dev.c:11003) 
[ 43.337259][ T451] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.337460][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.337663][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.337904][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.338162][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.338407][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.338648][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.338891][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.339131][ T451] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.339374][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 43.339566][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.339751][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.339941][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.340137][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.340290][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.340481][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.340714][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 43.340909][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.341109][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.341353][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.341539][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.341733][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.341924][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.342119][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.342350][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.342580][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.342826][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.343031][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.343219][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.343409][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.343609][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.343753][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.343941][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.344143][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.344288][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.344478][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.344666][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.344859][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.345064][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.345251][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.345440][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.345638][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.345828][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.346025][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.346211][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.346409][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.346601][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.346830][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.347030][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.347270][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.347463][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 43.347659][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.347892][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.348092][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.348324][  T451] RIP: 0033:0x7f29454b6a4a
[ 43.348519][ T451] 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
[   43.349169][  T451] RSP: 002b:00007ffdc6e393b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.349449][  T451] RAX: ffffffffffffffda RBX: 000000002b318b00 RCX: 00007f29454b6a4a
[   43.349727][  T451] RDX: 000000000000003c RSI: 000000002b318b00 RDI: 0000000000000005
[   43.350001][  T451] RBP: 000000002b318910 R08: 00007f294565a200 R09: 000000000000000c
[   43.350288][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.350561][  T451] R13: 000000002b318910 R14: 0000000000000000 R15: 0000000000000001
| [   43.367758][  T451] ------------[ cut here ]------------
| [ 43.368046][ T451] WARNING: CPU: 1 PID: 451 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) 
| [   43.368416][  T451] Modules linked in: netdevsim
| [   43.368936][  T451] Tainted: [W]=WARN
[   43.369089][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.369325][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.369561][ T451] 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
[   43.370212][  T451] RSP: 0018:ffffc90000c871e8 EFLAGS: 00010246
[   43.370447][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.370724][  T451] RDX: 0000000000000000 RSI: ffff88800dc32c98 RDI: ffff88800a852dc0
[   43.370999][  T451] RBP: ffff88800dda8040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.371283][  T451] R10: ffffffff985ec1e7 R11: ffff88800a852300 R12: 0000000000000000
[   43.371556][  T451] R13: ffff88800dc32128 R14: ffff88800dc32008 R15: ffff88800dc32000
[   43.371835][  T451] FS:  00007f29452aa800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   43.372161][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.372396][  T451] CR2: 00005593ef4cc170 CR3: 00000000092f0005 CR4: 0000000000772ef0
[   43.372673][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.372951][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.373246][  T451] PKRU: 55555554
[   43.373387][  T451] Call Trace:
[   43.373529][  T451]  <TASK>
[ 43.373625][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.373813][ T451] ? __warn (kernel/panic.c:748) 
[ 43.373956][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.374157][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.374351][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.374495][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.374682][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.374880][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.375076][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.375271][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.375508][ T451] ? _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) 
[ 43.375703][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.375896][ T451] register_netdevice (net/core/dev.c:11003) 
[ 43.376096][ T451] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.376293][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.376495][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.376737][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.376990][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.377248][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.377492][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.377728][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.377958][ T451] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.378214][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 43.378406][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.378591][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.378783][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.378967][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.379126][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.379318][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.379556][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 43.379752][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.379942][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.380197][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.380382][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.380574][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.380763][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.380955][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.381193][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.381421][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.381665][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.381854][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.382048][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.382238][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.382442][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.382585][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.382775][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.382970][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.383128][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.383319][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.383508][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.383706][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.383897][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.384090][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.384281][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.384477][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.384666][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.384850][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.385045][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.385247][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.385437][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.385669][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.385858][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.386102][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.386294][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 43.386485][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.386716][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.386905][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.387147][  T451] RIP: 0033:0x7f29454b6a4a
[ 43.387339][ T451] 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
[   43.387985][  T451] RSP: 002b:00007ffdc6e393b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.388271][  T451] RAX: ffffffffffffffda RBX: 000000002b318b00 RCX: 00007f29454b6a4a
[   43.388549][  T451] RDX: 000000000000003c RSI: 000000002b318b00 RDI: 0000000000000005
[   43.388823][  T451] RBP: 000000002b318910 R08: 00007f294565a200 R09: 000000000000000c
[   43.389109][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.389384][  T451] R13: 000000002b318910 R14: 0000000000000000 R15: 0000000000000001
| [   43.399331][  T451] ------------[ cut here ]------------
| [ 43.399534][ T451] WARNING: CPU: 1 PID: 451 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) 
| [   43.399899][  T451] Modules linked in: netdevsim
| [   43.400426][  T451] Tainted: [W]=WARN
[   43.400572][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.400803][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.401049][ T451] 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
[   43.401693][  T451] RSP: 0018:ffffc90000c871e8 EFLAGS: 00010246
[   43.401930][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.402214][  T451] RDX: 0000000000000000 RSI: ffff88800b65ac98 RDI: ffff88800a852dc0
[   43.402489][  T451] RBP: ffff88800dda8040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.402762][  T451] R10: ffffffff985ec1e7 R11: ffff88800a852300 R12: 0000000000000000
[   43.403058][  T451] R13: ffff88800b65a128 R14: ffff88800b65a008 R15: ffff88800b65a000
[   43.403334][  T451] FS:  00007f29452aa800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   43.403655][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.403886][  T451] CR2: 00005593ef4cc170 CR3: 00000000092f0005 CR4: 0000000000772ef0
[   43.404175][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.404455][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.404729][  T451] PKRU: 55555554
[   43.404871][  T451] Call Trace:
[   43.405020][  T451]  <TASK>
[ 43.405116][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.405302][ T451] ? __warn (kernel/panic.c:748) 
[ 43.405447][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.405640][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.405832][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.405975][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.406173][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.406372][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.406560][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.406753][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.406996][ T451] ? _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) 
[ 43.407197][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.407390][ T451] register_netdevice (net/core/dev.c:11003) 
[ 43.407583][ T451] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.407782][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.407985][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.408241][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.408490][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.408736][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.408978][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.409226][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.409461][ T451] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.409705][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 43.409898][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.410093][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.410283][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.410467][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.410618][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.410811][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.411056][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 43.411254][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.411443][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.411687][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.411872][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.412073][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.412268][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.412456][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.412687][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.412915][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.413178][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.413372][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.413558][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.413754][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.413997][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.414155][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.414343][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.414538][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.414680][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.414870][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.415073][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.415268][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.415459][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.415643][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.415832][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.416036][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.416226][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.416412][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.416602][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.416798][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.416989][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.417227][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.417418][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.417654][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.417849][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 43.418049][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.418282][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.418470][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.418701][  T451] RIP: 0033:0x7f29454b6a4a
[ 43.418892][ T451] 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
[   43.419549][  T451] RSP: 002b:00007ffdc6e393b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.419827][  T451] RAX: ffffffffffffffda RBX: 000000002b318b00 RCX: 00007f29454b6a4a
[   43.420111][  T451] RDX: 000000000000003c RSI: 000000002b318b00 RDI: 0000000000000005
[   43.420386][  T451] RBP: 000000002b318910 R08: 00007f294565a200 R09: 000000000000000c
[   43.420663][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.420936][  T451] R13: 000000002b318910 R14: 0000000000000000 R15: 0000000000000001
| [   43.652532][  T457] ------------[ cut here ]------------
| [ 43.652754][ T457] WARNING: CPU: 3 PID: 457 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) 
| [   43.653160][  T457] Modules linked in: netdevsim
| [   43.653686][  T457] Tainted: [W]=WARN
[   43.653829][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.654073][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.654314][ T457] 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
[   43.654976][  T457] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   43.655223][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.655500][  T457] RDX: 0000000000000000 RSI: ffff888009072c98 RDI: ffff888002392dc0
[   43.655782][  T457] RBP: ffff88800dda9840 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.656071][  T457] R10: ffffffff985ec1e7 R11: ffff888002392300 R12: 0000000000000000
[   43.656347][  T457] R13: ffff888009072128 R14: ffff888009072008 R15: ffff888009072000
[   43.656620][  T457] FS:  00007f478495d800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   43.656939][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.657185][  T457] CR2: 00005593ef4cd298 CR3: 0000000004d1e001 CR4: 0000000000772ef0
[   43.657468][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.657743][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.658026][  T457] PKRU: 55555554
[   43.658169][  T457] Call Trace:
[   43.658314][  T457]  <TASK>
[ 43.658412][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.658601][ T457] ? __warn (kernel/panic.c:748) 
[ 43.658751][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.658939][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.659153][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.659298][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.659486][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.659688][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.659878][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.660083][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.660325][ T457] ? _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) 
[ 43.660518][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.660709][ T457] register_netdevice (net/core/dev.c:11003) 
[ 43.660902][ T457] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.661110][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.661314][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.661556][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.661804][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.662188][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.662432][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.662669][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.662900][ T457] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.663272][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 43.663467][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.663653][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.663843][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.664135][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.664289][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.664479][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.664715][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 43.664909][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.665249][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.665495][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.665679][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.665872][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.666187][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.666378][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.666606][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.666836][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.667203][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.667395][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.667579][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.667770][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.667970][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.668257][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.668446][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.668640][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.668782][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.668973][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.669287][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.669484][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.669674][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.669859][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.670159][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.670355][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.670547][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.670730][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.670918][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.671125][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.671317][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.671550][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.671786][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.671979][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 43.672176][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.672409][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.672598][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.672828][  T457] RIP: 0033:0x7f4784b69a4a
[ 43.673033][ T457] 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
[   43.673678][  T457] RSP: 002b:00007fff63b08358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.673957][  T457] RAX: ffffffffffffffda RBX: 000000002cb1db00 RCX: 00007f4784b69a4a
[   43.674242][  T457] RDX: 000000000000003c RSI: 000000002cb1db00 RDI: 0000000000000005
[   43.674515][  T457] RBP: 000000002cb1d910 R08: 00007f4784d0d200 R09: 000000000000000c
[   43.674794][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.675075][  T457] R13: 000000002cb1d910 R14: 0000000000000000 R15: 0000000000000003
| [   43.691791][  T457] ------------[ cut here ]------------
| [ 43.691998][ T457] WARNING: CPU: 0 PID: 457 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) 
| [   43.692378][  T457] Modules linked in: netdevsim
| [   43.692896][  T457] Tainted: [W]=WARN
[   43.693059][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.693295][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.693534][ T457] 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
[   43.694183][  T457] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   43.694418][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.694695][  T457] RDX: 0000000000000000 RSI: ffff88800265ac98 RDI: ffff888002392dc0
[   43.694970][  T457] RBP: ffff88800dda9840 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.695250][  T457] R10: ffffffff985ec1e7 R11: ffff888002392300 R12: 0000000000000000
[   43.695524][  T457] R13: ffff88800265a128 R14: ffff88800265a008 R15: ffff88800265a000
[   43.695802][  T457] FS:  00007f478495d800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.696127][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.696360][  T457] CR2: 00007f756086b1b4 CR3: 0000000004d1e005 CR4: 0000000000772ef0
[   43.696636][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.696915][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.697197][  T457] PKRU: 55555554
[   43.697337][  T457] Call Trace:
[   43.697478][  T457]  <TASK>
[ 43.697576][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.697761][ T457] ? __warn (kernel/panic.c:748) 
[ 43.697906][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.698102][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.698298][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.698439][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.698625][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.698823][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.699021][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.699213][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.699451][ T457] ? _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) 
[ 43.699645][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.699836][ T457] register_netdevice (net/core/dev.c:11003) 
[ 43.700035][ T457] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.700234][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.700436][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.700677][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.700928][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.701185][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.701427][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.701663][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.701895][ T457] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.702149][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 43.702341][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.702526][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.702715][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.702900][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.703069][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.703262][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.703498][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 43.703693][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.703884][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.704139][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.704324][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.704516][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.704707][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.704897][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.705133][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.705363][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.705607][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.705795][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.705981][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.706179][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.706384][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.706526][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.706716][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.706910][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.707059][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.707251][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.707441][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.707633][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.707827][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.708019][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.708209][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.708404][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.708593][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.708779][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.708965][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.709172][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.709364][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.709600][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.709835][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.710034][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 43.710223][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.710453][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.710645][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.710874][  T457] RIP: 0033:0x7f4784b69a4a
[ 43.711072][ T457] 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
[   43.711713][  T457] RSP: 002b:00007fff63b08358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.711994][  T457] RAX: ffffffffffffffda RBX: 000000002cb1db00 RCX: 00007f4784b69a4a
[   43.712276][  T457] RDX: 000000000000003c RSI: 000000002cb1db00 RDI: 0000000000000005
[   43.712550][  T457] RBP: 000000002cb1d910 R08: 00007f4784d0d200 R09: 000000000000000c
[   43.712823][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.713122][  T457] R13: 000000002cb1d910 R14: 0000000000000000 R15: 0000000000000003
| [   43.722814][  T457] ------------[ cut here ]------------
| [ 43.723036][ T457] WARNING: CPU: 0 PID: 457 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) 
| [   43.723402][  T457] Modules linked in: netdevsim
| [   43.723917][  T457] Tainted: [W]=WARN
[   43.724070][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.724303][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.724540][ T457] 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
[   43.725196][  T457] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   43.725429][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.725706][  T457] RDX: 0000000000000000 RSI: ffff8880025f2c98 RDI: ffff888002392dc0
[   43.725982][  T457] RBP: ffff88800dda9840 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.726268][  T457] R10: ffffffff985ec1e7 R11: ffff888002392300 R12: 0000000000000000
[   43.726544][  T457] R13: ffff8880025f2128 R14: ffff8880025f2008 R15: ffff8880025f2000
[   43.726821][  T457] FS:  00007f478495d800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.727152][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.727384][  T457] CR2: 00007f756086b1b4 CR3: 0000000004d1e005 CR4: 0000000000772ef0
[   43.727660][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.727938][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.728221][  T457] PKRU: 55555554
[   43.728363][  T457] Call Trace:
[   43.728503][  T457]  <TASK>
[ 43.728599][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.728784][ T457] ? __warn (kernel/panic.c:748) 
[ 43.728927][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.729125][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.729320][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.729462][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.729650][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.729849][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.730046][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.730239][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.730476][ T457] ? _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) 
[ 43.730670][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.730861][ T457] register_netdevice (net/core/dev.c:11003) 
[ 43.731061][ T457] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.731261][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.731461][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.731703][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.731954][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.732211][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.732452][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.732691][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.732921][ T457] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.733178][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 43.733376][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.733562][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.733752][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.733935][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.734095][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.734286][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.734521][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 43.734720][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.734910][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.735164][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.735348][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.735541][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.735730][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.735917][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.736159][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.736389][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.736631][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.736821][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.737016][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.737205][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.737407][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.737550][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.737738][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.737932][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.738082][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.738274][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.738462][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.738654][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.738968][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.739171][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.739361][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.739557][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.739747][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.739933][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.740134][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.740337][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.740529][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.740764][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.741010][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.741206][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 43.741393][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.741624][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.741816][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.742056][  T457] RIP: 0033:0x7f4784b69a4a
[ 43.742248][ T457] 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
[   43.742891][  T457] RSP: 002b:00007fff63b08358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.743188][  T457] RAX: ffffffffffffffda RBX: 000000002cb1db00 RCX: 00007f4784b69a4a
[   43.743463][  T457] RDX: 000000000000003c RSI: 000000002cb1db00 RDI: 0000000000000005
[   43.743737][  T457] RBP: 000000002cb1d910 R08: 00007f4784d0d200 R09: 000000000000000c
[   43.744020][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.744297][  T457] R13: 000000002cb1d910 R14: 0000000000000000 R15: 0000000000000003
| [   43.754142][  T457] ------------[ cut here ]------------
| [ 43.754341][ T457] WARNING: CPU: 0 PID: 457 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) 
| [   43.754711][  T457] Modules linked in: netdevsim
| [   43.755972][  T457] Tainted: [W]=WARN
[   43.756201][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.756436][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.756673][ T457] 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
[   43.757400][  T457] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   43.757635][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.757914][  T457] RDX: 0000000000000000 RSI: ffff88800a0dac98 RDI: ffff888002392dc0
[   43.758271][  T457] RBP: ffff88800dda9840 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.758548][  T457] R10: ffffffff985ec1e7 R11: ffff888002392300 R12: 0000000000000000
[   43.758822][  T457] R13: ffff88800a0da128 R14: ffff88800a0da008 R15: ffff88800a0da000
[   43.759183][  T457] FS:  00007f478495d800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.759504][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.759734][  T457] CR2: 00007f756086b1b4 CR3: 0000000004d1e005 CR4: 0000000000772ef0
[   43.760094][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.760369][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.760647][  T457] PKRU: 55555554
[   43.760787][  T457] Call Trace:
[   43.760928][  T457]  <TASK>
[ 43.761104][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.761292][ T457] ? __warn (kernel/panic.c:748) 
[ 43.761436][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.761623][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.761816][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.761958][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.762230][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.762430][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.762618][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.762811][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.763134][ T457] ? _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) 
[ 43.763331][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.763522][ T457] register_netdevice (net/core/dev.c:11003) 
[ 43.763714][ T457] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.763911][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.764195][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.764442][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.764694][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.764940][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.765268][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.765506][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.765735][ T457] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.765978][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 43.766254][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.766439][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.766630][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.766814][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.766963][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.767237][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.767472][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 43.767669][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.767858][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.768185][ T457] ? cap_capable (security/commoncap.c:131) 
[ 43.768370][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.768563][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.768752][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.768941][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.769256][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.769485][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.769729][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.769918][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.770185][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.770376][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.770577][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.770722][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.770910][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.771188][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.771331][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.771524][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.771712][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.771905][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.772181][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.772367][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.772557][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.772753][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.772942][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.773214][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.773401][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.773599][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.773791][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.774107][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.774345][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.774537][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 43.774724][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.774957][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.775234][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.775464][  T457] RIP: 0033:0x7f4784b69a4a
[ 43.775654][ T457] 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
[   43.776381][  T457] RSP: 002b:00007fff63b08358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.776661][  T457] RAX: ffffffffffffffda RBX: 000000002cb1db00 RCX: 00007f4784b69a4a
[   43.776935][  T457] RDX: 000000000000003c RSI: 000000002cb1db00 RDI: 0000000000000005
[   43.777294][  T457] RBP: 000000002cb1d910 R08: 00007f4784d0d200 R09: 000000000000000c
[   43.777567][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.777844][  T457] R13: 000000002cb1d910 R14: 0000000000000000 R15: 0000000000000003
| [   43.975747][   T11] ------------[ cut here ]------------
| [ 43.976097][ 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) 
| [   43.976428][   T11] Modules linked in: netdevsim
| [   43.977030][   T11] Tainted: [W]=WARN
[   43.977162][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.977366][   T11] Workqueue: netns cleanup_net
[ 43.977562][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.977777][ 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
[   43.978419][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   43.978634][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.978881][   T11] RDX: 0000000000000000 RSI: ffff88800df6ac98 RDI: ffff888001a82e10
[   43.979143][   T11] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   43.979391][   T11] R10: ffffffff985ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   43.979635][   T11] R13: ffff88800df6a128 R14: ffff88800df6a008 R15: ffff88800df6a000
[   43.979886][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.980180][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.980393][   T11] CR2: 00007fb8ac906440 CR3: 000000002c728006 CR4: 0000000000772ef0
[   43.980642][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.980892][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.981149][   T11] PKRU: 55555554
[   43.981284][   T11] Call Trace:
[   43.981412][   T11]  <TASK>
[ 43.981499][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.981667][ T11] ? __warn (kernel/panic.c:748) 
[ 43.981802][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.981974][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.982162][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.982293][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.982473][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.982658][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.982839][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.983073][ 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) 
[ 43.983246][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.983423][ T11] register_netdevice (net/core/dev.c:11003) 
[ 43.983598][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.983781][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.983969][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.984201][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.984428][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.984656][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.984877][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.985103][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.985314][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.985535][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 43.985709][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.985879][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 43.986071][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 43.986241][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 43.986463][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 43.986633][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 43.986803][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 43.986967][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.987149][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.987317][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 43.987492][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 43.987672][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.987840][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 43.988029][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 43.988271][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 43.988452][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 43.988623][ T11] kthread (kernel/kthread.c:464) 
[ 43.988753][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 43.988925][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 43.989109][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 43.989279][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 43.989445][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.000408][   T11] ------------[ cut here ]------------
| [ 44.000595][ 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) 
| [   44.000922][   T11] Modules linked in: netdevsim
| [   44.001452][   T11] Tainted: [W]=WARN
[   44.001579][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.001785][   T11] Workqueue: netns cleanup_net
[ 44.001961][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.002181][ 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
[   44.002759][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   44.002969][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.003234][   T11] RDX: 0000000000000000 RSI: ffff8880024d2c98 RDI: ffff888001a82e10
[   44.003483][   T11] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   44.003731][   T11] R10: ffffffff985ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   44.003978][   T11] R13: ffff8880024d2128 R14: ffff8880024d2008 R15: ffff8880024d2000
[   44.004235][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.004524][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.004737][   T11] CR2: 00007fb8ac906440 CR3: 000000002c728006 CR4: 0000000000772ef0
[   44.004985][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.005272][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.005521][   T11] PKRU: 55555554
[   44.005649][   T11] Call Trace:
[   44.005780][   T11]  <TASK>
[ 44.005874][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.006051][ T11] ? __warn (kernel/panic.c:748) 
[ 44.006182][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.006354][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.006528][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.006658][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.006828][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.007026][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.007206][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.007422][ 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) 
[ 44.007598][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.007773][ T11] register_netdevice (net/core/dev.c:11003) 
[ 44.007951][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.008145][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.008332][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.008558][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.008785][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.009023][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.009241][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.009456][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.009686][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.009908][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 44.010093][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.010267][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.010444][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.010613][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.010840][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.011020][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.011190][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.011358][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.011534][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.011700][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.011876][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 44.012065][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.012240][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.012418][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 44.012589][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.012769][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.012942][ T11] kthread (kernel/kthread.c:464) 
[ 44.013087][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.013260][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.013434][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.013601][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.013768][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.023609][   T11] ------------[ cut here ]------------
| [ 44.023788][ 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) 
| [   44.024136][   T11] Modules linked in: netdevsim
| [   44.024645][   T11] Tainted: [W]=WARN
[   44.024780][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.024990][   T11] Workqueue: netns cleanup_net
[ 44.025180][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.025394][ 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
[   44.025978][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   44.026203][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.026453][   T11] RDX: 0000000000000000 RSI: ffff888009d3ac98 RDI: ffff888001a82e10
[   44.026702][   T11] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   44.026955][   T11] R10: ffffffff985ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   44.027222][   T11] R13: ffff888009d3a128 R14: ffff888009d3a008 R15: ffff888009d3a000
[   44.027474][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.027764][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.027976][   T11] CR2: 00007fb8ac906440 CR3: 000000002c728006 CR4: 0000000000772ef0
[   44.028240][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.028490][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.028738][   T11] PKRU: 55555554
[   44.028867][   T11] Call Trace:
[   44.028993][   T11]  <TASK>
[ 44.029090][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.029264][ T11] ? __warn (kernel/panic.c:748) 
[ 44.029395][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.029566][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.029736][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.029869][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.030048][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.030231][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.030410][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.030630][ 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) 
[ 44.030803][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.030975][ T11] register_netdevice (net/core/dev.c:11003) 
[ 44.031159][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.031344][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.031528][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.031754][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.031982][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.032215][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.032433][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.032647][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.032856][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.033094][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 44.033269][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.033439][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.033615][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.033788][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.034026][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.034197][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.034366][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.034532][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.034712][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.034882][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.035069][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 44.035255][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.035423][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.035604][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 44.035777][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.035958][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.036138][ T11] kthread (kernel/kthread.c:464) 
[ 44.036269][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.036445][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.036614][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.036781][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.036957][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.065089][   T11] ------------[ cut here ]------------
| [ 44.065282][ 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) 
| [   44.065617][   T11] Modules linked in: netdevsim
| [   44.066148][   T11] Tainted: [W]=WARN
[   44.066276][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.066482][   T11] Workqueue: netns cleanup_net
[ 44.066657][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.066873][ 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
[   44.067490][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   44.067703][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.067948][   T11] RDX: 0000000000000000 RSI: ffff888005522c98 RDI: ffff888001a82e10
[   44.068213][   T11] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   44.068465][   T11] R10: ffffffff985ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   44.068717][   T11] R13: ffff888005522128 R14: ffff888005522008 R15: ffff888005522000
[   44.068968][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.069265][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.069481][   T11] CR2: 00007fafe43d05a0 CR3: 0000000005bdc003 CR4: 0000000000772ef0
[   44.069730][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.069977][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.070233][   T11] PKRU: 55555554
[   44.070362][   T11] Call Trace:
[   44.070490][   T11]  <TASK>
[ 44.070577][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.070746][ T11] ? __warn (kernel/panic.c:748) 
[ 44.070878][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.071059][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.071235][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.071363][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.071531][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.071714][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.071896][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.072127][ 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) 
[ 44.072305][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.072478][ T11] register_netdevice (net/core/dev.c:11003) 
[ 44.072650][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.072831][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.073033][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.073258][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.073483][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.073711][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.073947][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.074175][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.074382][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.074611][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 44.074787][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.074957][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.075161][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.075331][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.075555][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.075726][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.075898][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.076073][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.076247][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.076416][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.076592][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 44.076773][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.076941][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.077135][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 44.077306][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.077489][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.077661][ T11] kthread (kernel/kthread.c:464) 
[ 44.077793][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.077969][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.078150][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.078322][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.078490][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.777637][  T494] ------------[ cut here ]------------
| [ 44.777931][ T494] WARNING: CPU: 3 PID: 494 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) 
| [   44.778322][  T494] Modules linked in: netdevsim
| [   44.778843][  T494] Tainted: [W]=WARN
[   44.778986][  T494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.779232][ T494] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.779471][ T494] 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
[   44.780125][  T494] RSP: 0018:ffffc90000db71e8 EFLAGS: 00010246
[   44.780362][  T494] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.780642][  T494] RDX: 0000000000000000 RSI: ffff88800b972c98 RDI: ffff888004f4adc0
[   44.780919][  T494] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   44.781210][  T494] R10: ffffffff985ec1e7 R11: ffff888004f4a300 R12: 0000000000000000
[   44.781491][  T494] R13: ffff88800b972128 R14: ffff88800b972008 R15: ffff88800b972000
[   44.781769][  T494] FS:  00007f72f9c9c800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.782103][  T494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.782339][  T494] CR2: 00007fafe43d05a0 CR3: 0000000009dc0003 CR4: 0000000000772ef0
[   44.782621][  T494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.782896][  T494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.783193][  T494] PKRU: 55555554
[   44.783335][  T494] Call Trace:
[   44.783476][  T494]  <TASK>
[ 44.783573][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.783764][ T494] ? __warn (kernel/panic.c:748) 
[ 44.783910][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.784108][ T494] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.784306][ T494] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.784449][ T494] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.784637][ T494] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.784837][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.785035][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.785233][ T494] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.785469][ T494] ? _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) 
[ 44.785668][ T494] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.785862][ T494] register_netdevice (net/core/dev.c:11003) 
[ 44.786067][ T494] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.786264][ T494] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.786468][ T494] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.786711][ T494] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.786958][ T494] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.787217][ T494] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.787462][ T494] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.787701][ T494] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.787933][ T494] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.788188][ T494] devlink_reload (net/devlink/dev.c:474) 
[ 44.788380][ T494] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.788569][ T494] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.788764][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.788950][ T494] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.789112][ T494] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.789304][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.789539][ T494] ? __nla_parse (lib/nlattr.c:732) 
[ 44.789737][ T494] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.789928][ T494] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.790186][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.790371][ T494] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.790565][ T494] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.790754][ T494] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.790944][ T494] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.791183][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.791414][ T494] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.791659][ T494] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.791847][ T494] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.792043][ T494] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.792234][ T494] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.792435][ T494] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.792577][ T494] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.792766][ T494] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.792961][ T494] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.793124][ T494] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.793317][ T494] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.793506][ T494] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.793703][ T494] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.793895][ T494] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.794089][ T494] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.794278][ T494] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.794476][ T494] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.794666][ T494] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.794852][ T494] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.795050][ T494] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.795252][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.795443][ T494] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.795673][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.795863][ T494] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.796110][ T494] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.796304][ T494] __x64_sys_sendto (net/socket.c:2181) 
[ 44.796491][ T494] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.796722][ T494] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.796911][ T494] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.797150][  T494] RIP: 0033:0x7f72f9ea8a4a
[ 44.797342][ T494] 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
[   44.797988][  T494] RSP: 002b:00007ffeabdd4208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.798279][  T494] RAX: ffffffffffffffda RBX: 000000001f123b00 RCX: 00007f72f9ea8a4a
[   44.798555][  T494] RDX: 000000000000003c RSI: 000000001f123b00 RDI: 0000000000000005
[   44.798831][  T494] RBP: 000000001f123910 R08: 00007f72fa04c200 R09: 000000000000000c
[   44.799116][  T494] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.799394][  T494] R13: 000000001f123910 R14: 0000000000000000 R15: 0000000000000001
| [   44.832884][  T494] ------------[ cut here ]------------
| [ 44.833189][ T494] WARNING: CPU: 3 PID: 494 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) 
| [   44.833558][  T494] Modules linked in: netdevsim
| [   44.834089][  T494] Tainted: [W]=WARN
[   44.834233][  T494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.834465][ T494] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.834701][ T494] 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
[   44.835360][  T494] RSP: 0018:ffffc90000db71e8 EFLAGS: 00010246
[   44.835596][  T494] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.835871][  T494] RDX: 0000000000000000 RSI: ffff88800255ac98 RDI: ffff888004f4adc0
[   44.836157][  T494] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   44.836436][  T494] R10: ffffffff985ec1e7 R11: ffff888004f4a300 R12: 0000000000000000
[   44.836709][  T494] R13: ffff88800255a128 R14: ffff88800255a008 R15: ffff88800255a000
[   44.836985][  T494] FS:  00007f72f9c9c800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.837314][  T494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.837550][  T494] CR2: 00007fafe43d05a0 CR3: 0000000009dc0003 CR4: 0000000000772ef0
[   44.837826][  T494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.838110][  T494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.838385][  T494] PKRU: 55555554
[   44.838524][  T494] Call Trace:
[   44.838664][  T494]  <TASK>
[ 44.838759][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.838948][ T494] ? __warn (kernel/panic.c:748) 
[ 44.839103][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.839290][ T494] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.839482][ T494] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.839625][ T494] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.839813][ T494] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.840029][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.840222][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.840415][ T494] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.840651][ T494] ? _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) 
[ 44.840842][ T494] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.841053][ T494] register_netdevice (net/core/dev.c:11003) 
[ 44.841246][ T494] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.841446][ T494] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.841648][ T494] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.841890][ T494] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.842153][ T494] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.842400][ T494] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.842640][ T494] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.842879][ T494] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.843128][ T494] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.843372][ T494] devlink_reload (net/devlink/dev.c:474) 
[ 44.843562][ T494] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.843747][ T494] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.843938][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.844133][ T494] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.844283][ T494] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.844474][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.844707][ T494] ? __nla_parse (lib/nlattr.c:732) 
[ 44.844901][ T494] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.845099][ T494] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.845346][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.845532][ T494] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.845726][ T494] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.845916][ T494] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.846115][ T494] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.846343][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.846572][ T494] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.846814][ T494] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.847016][ T494] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.847201][ T494] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.847393][ T494] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.847594][ T494] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.847736][ T494] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.847925][ T494] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.848134][ T494] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.848280][ T494] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.848471][ T494] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.848660][ T494] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.848852][ T494] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.849051][ T494] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.849237][ T494] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.849425][ T494] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.849619][ T494] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.849812][ T494] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.849996][ T494] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.850192][ T494] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.850389][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.850578][ T494] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.850809][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.850996][ T494] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.851243][ T494] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.851437][ T494] __x64_sys_sendto (net/socket.c:2181) 
[ 44.851623][ T494] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.851853][ T494] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.852050][ T494] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.852280][  T494] RIP: 0033:0x7f72f9ea8a4a
[ 44.852469][ T494] 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
[   44.853133][  T494] RSP: 002b:00007ffeabdd4208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.853412][  T494] RAX: ffffffffffffffda RBX: 000000001f123b00 RCX: 00007f72f9ea8a4a
[   44.853690][  T494] RDX: 000000000000003c RSI: 000000001f123b00 RDI: 0000000000000005
[   44.853965][  T494] RBP: 000000001f123910 R08: 00007f72fa04c200 R09: 000000000000000c
[   44.854252][  T494] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.854527][  T494] R13: 000000001f123910 R14: 0000000000000000 R15: 0000000000000001
| [   44.864436][  T494] ------------[ cut here ]------------
| [ 44.864633][ T494] WARNING: CPU: 3 PID: 494 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) 
| [   44.864996][  T494] Modules linked in: netdevsim
| [   44.865544][  T494] Tainted: [W]=WARN
[   44.865686][  T494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.865915][ T494] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.866894][ T494] 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
[   44.867632][  T494] RSP: 0018:ffffc90000db71e8 EFLAGS: 00010246
[   44.867866][  T494] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.868222][  T494] RDX: 0000000000000000 RSI: ffff88800d1aac98 RDI: ffff888004f4adc0
[   44.868497][  T494] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   44.868773][  T494] R10: ffffffff985ec1e7 R11: ffff888004f4a300 R12: 0000000000000000
[   44.869138][  T494] R13: ffff88800d1aa128 R14: ffff88800d1aa008 R15: ffff88800d1aa000
[   44.869413][  T494] FS:  00007f72f9c9c800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.869732][  T494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.869967][  T494] CR2: 00007fafe43d05a0 CR3: 0000000009dc0003 CR4: 0000000000772ef0
[   44.870326][  T494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.870600][  T494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.870874][  T494] PKRU: 55555554
[   44.871099][  T494] Call Trace:
[   44.871242][  T494]  <TASK>
[ 44.871338][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.871524][ T494] ? __warn (kernel/panic.c:748) 
[ 44.871668][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.871857][ T494] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.872131][ T494] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.872274][ T494] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.872461][ T494] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.872663][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.872850][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.873142][ T494] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.873382][ T494] ? _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) 
[ 44.873571][ T494] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.873761][ T494] register_netdevice (net/core/dev.c:11003) 
[ 44.873952][ T494] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.874237][ T494] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.874438][ T494] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.874679][ T494] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.874928][ T494] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.875289][ T494] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.875545][ T494] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.875781][ T494] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.876093][ T494] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.876339][ T494] devlink_reload (net/devlink/dev.c:474) 
[ 44.876529][ T494] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.876713][ T494] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.876908][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.877207][ T494] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.877360][ T494] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.877552][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.877787][ T494] ? __nla_parse (lib/nlattr.c:732) 
[ 44.877983][ T494] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.878256][ T494] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.878507][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.878692][ T494] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.878883][ T494] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.879176][ T494] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.879364][ T494] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.879592][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.879820][ T494] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.880151][ T494] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.880340][ T494] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.880525][ T494] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.880715][ T494] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.880916][ T494] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.881167][ T494] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.881358][ T494] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.881556][ T494] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.881697][ T494] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.881886][ T494] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.882158][ T494] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.882352][ T494] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.882542][ T494] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.882725][ T494] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.882913][ T494] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.883224][ T494] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.883416][ T494] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.883601][ T494] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.883786][ T494] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.883983][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.884256][ T494] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.884488][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.884680][ T494] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.884917][ T494] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.885220][ T494] __x64_sys_sendto (net/socket.c:2181) 
[ 44.885409][ T494] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.885640][ T494] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.885828][ T494] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.886141][  T494] RIP: 0033:0x7f72f9ea8a4a
[ 44.886338][ T494] 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
[   44.886979][  T494] RSP: 002b:00007ffeabdd4208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.887367][  T494] RAX: ffffffffffffffda RBX: 000000001f123b00 RCX: 00007f72f9ea8a4a
[   44.887649][  T494] RDX: 000000000000003c RSI: 000000001f123b00 RDI: 0000000000000005
[   44.887923][  T494] RBP: 000000001f123910 R08: 00007f72fa04c200 R09: 000000000000000c
[   44.888282][  T494] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.888557][  T494] R13: 000000001f123910 R14: 0000000000000000 R15: 0000000000000001
| [   44.898828][  T494] ------------[ cut here ]------------
| [ 44.899052][ T494] WARNING: CPU: 0 PID: 494 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) 
| [   44.899433][  T494] Modules linked in: netdevsim
| [   44.899950][  T494] Tainted: [W]=WARN
[   44.900103][  T494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.900334][ T494] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.900568][ T494] 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
[   44.901321][  T494] RSP: 0018:ffffc90000db71e8 EFLAGS: 00010246
[   44.901557][  T494] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.901831][  T494] RDX: 0000000000000000 RSI: ffff88800b852c98 RDI: ffff888004f4adc0
[   44.902117][  T494] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   44.902392][  T494] R10: ffffffff985ec1e7 R11: ffff888004f4a300 R12: 0000000000000000
[   44.902665][  T494] R13: ffff88800b852128 R14: ffff88800b852008 R15: ffff88800b852000
[   44.902940][  T494] FS:  00007f72f9c9c800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.903283][  T494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.903518][  T494] CR2: 00007f72fa050f88 CR3: 0000000009dc0003 CR4: 0000000000772ef0
[   44.903794][  T494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.904077][  T494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.904350][  T494] PKRU: 55555554
[   44.904491][  T494] Call Trace:
[   44.904631][  T494]  <TASK>
[ 44.904728][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.904914][ T494] ? __warn (kernel/panic.c:748) 
[ 44.905067][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.905256][ T494] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.905449][ T494] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.905591][ T494] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.905781][ T494] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.905979][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.906178][ T494] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.906371][ T494] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.906608][ T494] ? _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) 
[ 44.906799][ T494] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.906988][ T494] register_netdevice (net/core/dev.c:11003) 
[ 44.907191][ T494] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.907391][ T494] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.907593][ T494] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.907834][ T494] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.908090][ T494] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.908338][ T494] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.908581][ T494] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.908818][ T494] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.909059][ T494] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.909302][ T494] devlink_reload (net/devlink/dev.c:474) 
[ 44.909493][ T494] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.909679][ T494] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.909872][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.910067][ T494] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.910217][ T494] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.910408][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.910647][ T494] ? __nla_parse (lib/nlattr.c:732) 
[ 44.910841][ T494] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.911041][ T494] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.911289][ T494] ? cap_capable (security/commoncap.c:131) 
[ 44.911473][ T494] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.911664][ T494] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.911856][ T494] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.912052][ T494] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.912282][ T494] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.912514][ T494] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.912755][ T494] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.912944][ T494] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.913153][ T494] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.913343][ T494] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.913544][ T494] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.913686][ T494] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.913876][ T494] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.914080][ T494] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.914223][ T494] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.914414][ T494] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.914603][ T494] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.914796][ T494] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.914989][ T494] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.915184][ T494] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.915376][ T494] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.915571][ T494] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.915759][ T494] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.915946][ T494] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.916141][ T494] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.916346][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.916535][ T494] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.916771][ T494] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.916960][ T494] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.917206][ T494] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.917400][ T494] __x64_sys_sendto (net/socket.c:2181) 
[ 44.917589][ T494] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.917819][ T494] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.918016][ T494] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.918248][  T494] RIP: 0033:0x7f72f9ea8a4a
[ 44.918438][ T494] 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
[   44.919090][  T494] RSP: 002b:00007ffeabdd4208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.919373][  T494] RAX: ffffffffffffffda RBX: 000000001f123b00 RCX: 00007f72f9ea8a4a
[   44.919648][  T494] RDX: 000000000000003c RSI: 000000001f123b00 RDI: 0000000000000005
[   44.919925][  T494] RBP: 000000001f123910 R08: 00007f72fa04c200 R09: 000000000000000c
[   44.920213][  T494] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.920488][  T494] R13: 000000001f123910 R14: 0000000000000000 R15: 0000000000000001
| [   45.763833][  T514] ------------[ cut here ]------------
| [ 45.764151][ T514] WARNING: CPU: 3 PID: 514 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) 
| [   45.764528][  T514] Modules linked in: netdevsim
| [   45.765069][  T514] Tainted: [W]=WARN
[   45.765214][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.765446][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.765683][ T514] 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
[   45.766350][  T514] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   45.766588][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.766865][  T514] RDX: 0000000000000000 RSI: ffff88800dd5ac98 RDI: ffff88800b5b2dc0
[   45.767155][  T514] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   45.767433][  T514] R10: ffffffff985ec1e7 R11: ffff88800b5b2300 R12: 0000000000000000
[   45.767709][  T514] R13: ffff88800dd5a128 R14: ffff88800dd5a008 R15: ffff88800dd5a000
[   45.768019][  T514] FS:  00007fa5a17ea800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   45.768340][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.768576][  T514] CR2: 0000559101fdedec CR3: 0000000008f08004 CR4: 0000000000772ef0
[   45.768852][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.769147][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.769423][  T514] PKRU: 55555554
[   45.769565][  T514] Call Trace:
[   45.769706][  T514]  <TASK>
[ 45.769803][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.769991][ T514] ? __warn (kernel/panic.c:748) 
[ 45.770148][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.770344][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.770538][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.770681][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.770867][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.771078][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.771267][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.771459][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.771695][ T514] ? _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) 
[ 45.771893][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.772094][ T514] register_netdevice (net/core/dev.c:11003) 
[ 45.772286][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.772484][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.772687][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.772929][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.773209][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.773461][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.773703][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.773943][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.774185][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.774422][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 45.774608][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 45.774854][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 45.775054][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.775243][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 45.775484][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.775674][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.775910][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 45.776118][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.776310][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.776554][ T514] ? cap_capable (security/commoncap.c:131) 
[ 45.776740][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.776934][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.777136][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.777331][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.777562][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.777791][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.778042][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.778232][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.778417][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.778610][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.778812][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.778955][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.779154][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.779348][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.779489][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.779683][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.779871][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.780078][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.780270][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.780454][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.780643][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.780840][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.781043][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.781239][ T514] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 45.781432][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 45.781624][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 45.781822][ T514] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 45.782023][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 45.782212][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.782446][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.782634][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.782863][  T514] RIP: 0033:0x7fa5a19f6a4a
[ 45.783076][ T514] 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
[   45.783719][  T514] RSP: 002b:00007ffc0b6174f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.783999][  T514] RAX: ffffffffffffffda RBX: 0000000029bf2b00 RCX: 00007fa5a19f6a4a
[   45.784290][  T514] RDX: 0000000000000034 RSI: 0000000029bf2b00 RDI: 0000000000000005
[   45.784565][  T514] RBP: 0000000029bf2910 R08: 00007fa5a1b9a200 R09: 000000000000000c
[   45.784839][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.785126][  T514] R13: 0000000029bf2910 R14: 0000000000000000 R15: 0000000000000003
| [   45.795044][  T514] ------------[ cut here ]------------
| [ 45.795251][ T514] WARNING: CPU: 0 PID: 514 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) 
| [   45.795625][  T514] Modules linked in: netdevsim
| [   45.796197][  T514] Tainted: [W]=WARN
[   45.796342][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.796573][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.796809][ T514] 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
[   45.797468][  T514] RSP: 0000:ffffc90000e171e8 EFLAGS: 00010246
[   45.797704][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.797980][  T514] RDX: 0000000000000000 RSI: ffff88800b53ac98 RDI: ffff88800b5b2dc0
[   45.798271][  T514] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   45.798549][  T514] R10: ffffffff985ec1e7 R11: ffff88800b5b2300 R12: 0000000000000000
[   45.798825][  T514] R13: ffff88800b53a128 R14: ffff88800b53a008 R15: ffff88800b53a000
[   45.799109][  T514] FS:  00007fa5a17ea800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.799436][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.799670][  T514] CR2: 00007f967c11940f CR3: 0000000008f08005 CR4: 0000000000772ef0
[   45.799949][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.800233][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.800510][  T514] PKRU: 55555554
[   45.800656][  T514] Call Trace:
[   45.800797][  T514]  <TASK>
[ 45.800893][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.801089][ T514] ? __warn (kernel/panic.c:748) 
[ 45.801235][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.801425][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.801617][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.801760][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.801950][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.802159][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.802347][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.802539][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.802778][ T514] ? _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) 
[ 45.802991][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.803192][ T514] register_netdevice (net/core/dev.c:11003) 
[ 45.803389][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.803586][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.803788][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.804037][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.804287][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.804534][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.804779][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.805024][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.805254][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.805490][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 45.805675][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 45.805925][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 45.806124][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.806316][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 45.806555][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.806745][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.806984][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 45.807188][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.807381][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.807627][ T514] ? cap_capable (security/commoncap.c:131) 
[ 45.807814][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.808017][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.808208][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.808397][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.808626][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.808858][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.809115][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.809304][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.809489][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.809678][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.809879][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.810028][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.810222][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.810416][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.810557][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.810748][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.810936][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.811138][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.811332][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.811520][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.811709][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.811906][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.812104][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.812300][ T514] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 45.812493][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 45.812679][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 45.812874][ T514] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 45.813084][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 45.813272][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.813502][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.813689][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.814047][  T514] RIP: 0033:0x7fa5a19f6a4a
[ 45.814238][ T514] 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
[   45.815011][  T514] RSP: 002b:00007ffc0b6174f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.815289][  T514] RAX: ffffffffffffffda RBX: 0000000029bf2b00 RCX: 00007fa5a19f6a4a
[   45.815680][  T514] RDX: 0000000000000034 RSI: 0000000029bf2b00 RDI: 0000000000000005
[   45.815957][  T514] RBP: 0000000029bf2910 R08: 00007fa5a1b9a200 R09: 000000000000000c
[   45.816238][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.816626][  T514] R13: 0000000029bf2910 R14: 0000000000000000 R15: 0000000000000003
| [   45.845975][  T514] ------------[ cut here ]------------
| [ 45.846896][ T514] WARNING: CPU: 2 PID: 514 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) 
| [   45.847297][  T514] Modules linked in: netdevsim
| [   45.847845][  T514] Tainted: [W]=WARN
[   45.848012][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.848257][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.848511][ T514] 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
[   45.849194][  T514] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   45.849448][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.849742][  T514] RDX: 0000000000000000 RSI: ffff88800b84ac98 RDI: ffff88800b5b2dc0
[   45.850042][  T514] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   45.850331][  T514] R10: ffffffff985ec1e7 R11: ffff88800b5b2300 R12: 0000000000000000
[   45.850621][  T514] R13: ffff88800b84a128 R14: ffff88800b84a008 R15: ffff88800b84a000
[   45.850911][  T514] FS:  00007fa5a17ea800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.851255][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.851504][  T514] CR2: 00007fafe43d05a0 CR3: 0000000008f08003 CR4: 0000000000772ef0
[   45.851795][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.852094][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.852388][  T514] PKRU: 55555554
[   45.852544][  T514] Call Trace:
[   45.852699][  T514]  <TASK>
[ 45.852810][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.853043][ T514] ? __warn (kernel/panic.c:748) 
[ 45.853207][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.853408][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.853615][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.853771][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.853971][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.854196][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.854402][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.854608][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.854858][ T514] ? _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) 
[ 45.855077][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.855282][ T514] register_netdevice (net/core/dev.c:11003) 
[ 45.855489][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.855700][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.855915][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.856181][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.856447][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.856706][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.856964][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.857239][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.857485][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.857741][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 45.857940][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 45.858212][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 45.858417][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.858620][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 45.858874][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.859126][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.859377][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 45.859586][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.859790][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.860062][ T514] ? cap_capable (security/commoncap.c:131) 
[ 45.860268][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.860474][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.860678][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.860878][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.861136][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.861383][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.861641][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.861842][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.862053][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.862258][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.862472][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.862629][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.862831][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.863055][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.863211][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.863415][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.863624][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.863831][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.864050][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.864254][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.864456][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.864665][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.864867][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.865117][ T514] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 45.865325][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 45.865527][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 45.865735][ T514] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 45.865944][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 45.866156][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.866402][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.866603][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.866848][  T514] RIP: 0033:0x7fa5a19f6a4a
[ 45.867083][ T514] 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
[   45.867738][  T514] RSP: 002b:00007ffc0b6174f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.868044][  T514] RAX: ffffffffffffffda RBX: 0000000029bf2b00 RCX: 00007fa5a19f6a4a
[   45.868333][  T514] RDX: 0000000000000034 RSI: 0000000029bf2b00 RDI: 0000000000000005
[   45.868618][  T514] RBP: 0000000029bf2910 R08: 00007fa5a1b9a200 R09: 000000000000000c
[   45.868908][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.869209][  T514] R13: 0000000029bf2910 R14: 0000000000000000 R15: 0000000000000003
| [   45.886540][  T514] ------------[ cut here ]------------
| [ 45.886839][ T514] WARNING: CPU: 2 PID: 514 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) 
| [   45.887327][  T514] Modules linked in: netdevsim
| [   45.887879][  T514] Tainted: [W]=WARN
[   45.888050][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.888294][ T514] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.888545][ T514] 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
[   45.889230][  T514] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   45.889478][  T514] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.889765][  T514] RDX: 0000000000000000 RSI: ffff8880024d2c98 RDI: ffff88800b5b2dc0
[   45.890066][  T514] RBP: ffff88800ddab040 R08: 0000000000000000 R09: fffffbfff30bd83c
[   45.890353][  T514] R10: ffffffff985ec1e7 R11: ffff88800b5b2300 R12: 0000000000000000
[   45.890647][  T514] R13: ffff8880024d2128 R14: ffff8880024d2008 R15: ffff8880024d2000
[   45.890935][  T514] FS:  00007fa5a17ea800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.891281][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.891533][  T514] CR2: 00007fafe43d05a0 CR3: 0000000008f08003 CR4: 0000000000772ef0
[   45.891826][  T514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.892151][  T514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.892443][  T514] PKRU: 55555554
[   45.892595][  T514] Call Trace:
[   45.892748][  T514]  <TASK>
[ 45.892859][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.893087][ T514] ? __warn (kernel/panic.c:748) 
[ 45.893251][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.893453][ T514] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.893661][ T514] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.893817][ T514] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.894028][ T514] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.894241][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.894443][ T514] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.894654][ T514] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.894903][ T514] ? _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) 
[ 45.895145][ T514] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.895350][ T514] register_netdevice (net/core/dev.c:11003) 
[ 45.895558][ T514] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.895768][ T514] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.895987][ T514] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.896257][ T514] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.896526][ T514] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.896784][ T514] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.897055][ T514] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.897308][ T514] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.897553][ T514] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.897799][ T514] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 45.897998][ T514] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 45.898270][ T514] devlink_reload (net/devlink/dev.c:474) 
[ 45.898474][ T514] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.898676][ T514] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 45.898935][ T514] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.899151][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.899398][ T514] ? __nla_parse (lib/nlattr.c:732) 
[ 45.899607][ T514] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.899810][ T514] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.900101][ T514] ? cap_capable (security/commoncap.c:131) 
[ 45.900302][ T514] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.900511][ T514] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.900715][ T514] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.900914][ T514] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.901168][ T514] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.901411][ T514] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.901670][ T514] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.901874][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.902096][ T514] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.902300][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.902514][ T514] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.902669][ T514] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.902872][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.903099][ T514] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.903257][ T514] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.903466][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.903669][ T514] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.903877][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.904116][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.904317][ T514] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.904520][ T514] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.904731][ T514] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.904933][ T514] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.905160][ T514] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 45.905379][ T514] ? __sys_recvmsg (net/socket.c:2859) 
[ 45.905583][ T514] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 45.905793][ T514] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 45.906000][ T514] __x64_sys_sendto (net/socket.c:2181) 
[ 45.906213][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.906460][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.906666][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.906911][  T514] RIP: 0033:0x7fa5a19f6a4a
[ 45.907128][ T514] 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
[   45.907792][  T514] RSP: 002b:00007ffc0b6174f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.908100][  T514] RAX: ffffffffffffffda RBX: 0000000029bf2b00 RCX: 00007fa5a19f6a4a
[   45.908388][  T514] RDX: 0000000000000034 RSI: 0000000029bf2b00 RDI: 0000000000000005
[   45.908675][  T514] RBP: 0000000029bf2910 R08: 00007fa5a1b9a200 R09: 000000000000000c
[   45.908962][  T514] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.909286][  T514] R13: 0000000029bf2910 R14: 0000000000000000 R15: 0000000000000003
| [   46.975839][  T533] ------------[ cut here ]------------
| [ 46.976147][ T533] WARNING: CPU: 1 PID: 533 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) 
| [   46.976525][  T533] Modules linked in: netdevsim
| [   46.977080][  T533] Tainted: [W]=WARN
[   46.977231][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.977469][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.977714][ T533] 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
[   46.978552][  T533] RSP: 0018:ffffc90000e471e8 EFLAGS: 00010246
[   46.978791][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.979078][  T533] RDX: 0000000000000000 RSI: ffff88800df6ac98 RDI: ffff888009ca2dc0
[   46.979361][  T533] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   46.979640][  T533] R10: ffffffff985ec1e7 R11: ffff888009ca2300 R12: 0000000000000000
[   46.979921][  T533] R13: ffff88800df6a128 R14: ffff88800df6a008 R15: ffff88800df6a000
[   46.980212][  T533] FS:  00007f343ce4f800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   46.980541][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.980783][  T533] CR2: 00007feb9e4002f0 CR3: 0000000006284005 CR4: 0000000000772ef0
[   46.981087][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.981371][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.981653][  T533] PKRU: 55555554
[   46.981796][  T533] Call Trace:
[   46.981939][  T533]  <TASK>
[ 46.982050][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.982242][ T533] ? __warn (kernel/panic.c:748) 
[ 46.982389][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.982581][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.982781][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.982927][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.983139][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.983344][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.983539][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.983737][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.983983][ T533] ? _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) 
[ 46.984191][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.984387][ T533] register_netdevice (net/core/dev.c:11003) 
[ 46.984581][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.984784][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.984993][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.985265][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.985519][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.985770][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.986031][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.986273][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.986508][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.986757][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 46.986951][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.987154][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.987351][ T533] ? cap_capable (security/commoncap.c:131) 
[ 46.987550][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.987748][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.987989][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 46.988200][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.988398][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.988652][ T533] ? cap_capable (security/commoncap.c:131) 
[ 46.988839][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.989057][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.989253][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.989443][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.989678][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.989915][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.990177][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.990367][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.990558][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.990751][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.990955][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.991111][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.991307][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.991504][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.991650][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.991844][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.992047][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.992247][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.992442][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.992634][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.992826][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.993047][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.993297][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.993501][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.993686][ T533] ? 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) 
[ 46.993874][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.994078][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 46.994271][ T533] ? 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) 
[ 46.994461][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 46.994653][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 46.994839][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.995080][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.995271][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.995500][  T533] RIP: 0033:0x7f343d05ba4a
[ 46.995695][ T533] 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
[   46.996348][  T533] RSP: 002b:00007ffc33f458f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.996629][  T533] RAX: ffffffffffffffda RBX: 0000000027fa2b00 RCX: 00007f343d05ba4a
[   46.996915][  T533] RDX: 000000000000003c RSI: 0000000027fa2b00 RDI: 0000000000000005
[   46.997200][  T533] RBP: 0000000027fa2910 R08: 00007f343d1ff200 R09: 000000000000000c
[   46.997479][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.997755][  T533] R13: 0000000027fa2910 R14: 0000000000000000 R15: 0000000000000003
| [   47.023367][  T533] ------------[ cut here ]------------
| [ 47.023582][ T533] WARNING: CPU: 1 PID: 533 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) 
| [   47.024020][  T533] Modules linked in: netdevsim
| [   47.024552][  T533] Tainted: [W]=WARN
[   47.024692][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.024926][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.025181][ T533] 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
[   47.025824][  T533] RSP: 0018:ffffc90000e471e8 EFLAGS: 00010246
[   47.026068][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.026345][  T533] RDX: 0000000000000000 RSI: ffff88800d1aac98 RDI: ffff888009ca2dc0
[   47.026620][  T533] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   47.026897][  T533] R10: ffffffff985ec1e7 R11: ffff888009ca2300 R12: 0000000000000000
[   47.027232][  T533] R13: ffff88800d1aa128 R14: ffff88800d1aa008 R15: ffff88800d1aa000
[   47.027509][  T533] FS:  00007f343ce4f800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   47.027830][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.028078][  T533] CR2: 00007feb9e4002f0 CR3: 0000000006284005 CR4: 0000000000772ef0
[   47.028357][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.028633][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.028907][  T533] PKRU: 55555554
[   47.029058][  T533] Call Trace:
[   47.029200][  T533]  <TASK>
[ 47.029297][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.029483][ T533] ? __warn (kernel/panic.c:748) 
[ 47.029628][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.029819][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.030028][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.030173][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.030360][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.030561][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.030750][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.030942][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.031191][ T533] ? _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) 
[ 47.031389][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.031583][ T533] register_netdevice (net/core/dev.c:11003) 
[ 47.031775][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.031976][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.032191][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.032438][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.032694][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.032942][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.033206][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.033451][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.033685][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.033933][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 47.034143][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.034333][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.034527][ T533] ? cap_capable (security/commoncap.c:131) 
[ 47.034724][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.034920][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.035165][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 47.035364][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.035562][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.035810][ T533] ? cap_capable (security/commoncap.c:131) 
[ 47.035996][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.036204][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.036397][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.036586][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.036817][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.037065][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.037312][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.037504][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.037694][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.037887][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.038100][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.038246][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.038443][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.038641][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.038785][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.038984][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.039189][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.039388][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.039584][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.039778][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.039971][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.040177][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.040372][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.040573][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.040760][ T533] ? 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) 
[ 47.040951][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.041156][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 47.041356][ T533] ? 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) 
[ 47.041549][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 47.041744][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 47.041934][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.042179][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.042372][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.042606][  T533] RIP: 0033:0x7f343d05ba4a
[ 47.042805][ T533] 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
[   47.043478][  T533] RSP: 002b:00007ffc33f458f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.043764][  T533] RAX: ffffffffffffffda RBX: 0000000027fa2b00 RCX: 00007f343d05ba4a
[   47.044057][  T533] RDX: 000000000000003c RSI: 0000000027fa2b00 RDI: 0000000000000005
[   47.044335][  T533] RBP: 0000000027fa2910 R08: 00007f343d1ff200 R09: 000000000000000c
[   47.044613][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.044894][  T533] R13: 0000000027fa2910 R14: 0000000000000000 R15: 0000000000000003
| [   47.057921][  T533] ------------[ cut here ]------------
| [ 47.058139][ T533] WARNING: CPU: 1 PID: 533 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) 
| [   47.058553][  T533] Modules linked in: netdevsim
| [   47.059083][  T533] Tainted: [W]=WARN
[   47.059228][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.059463][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.059707][ T533] 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
[   47.060453][  T533] RSP: 0018:ffffc90000e471e8 EFLAGS: 00010246
[   47.060702][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.060978][  T533] RDX: 0000000000000000 RSI: ffff88800255ac98 RDI: ffff888009ca2dc0
[   47.061342][  T533] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   47.061618][  T533] R10: ffffffff985ec1e7 R11: ffff888009ca2300 R12: 0000000000000000
[   47.061892][  T533] R13: ffff88800255a128 R14: ffff88800255a008 R15: ffff88800255a000
[   47.062250][  T533] FS:  00007f343ce4f800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   47.062573][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.062806][  T533] CR2: 00007feb9e4002f0 CR3: 0000000006284005 CR4: 0000000000772ef0
[   47.063176][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.063450][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.063728][  T533] PKRU: 55555554
[   47.063869][  T533] Call Trace:
[   47.064092][  T533]  <TASK>
[ 47.064189][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.064378][ T533] ? __warn (kernel/panic.c:748) 
[ 47.064521][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.064710][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.064903][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.065097][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.065290][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.065491][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.065679][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.065873][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.066122][ T533] ? _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) 
[ 47.066315][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.066511][ T533] register_netdevice (net/core/dev.c:11003) 
[ 47.066702][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.066900][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.067110][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.067354][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.067601][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.067850][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.068103][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.068339][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.068569][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.068812][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 47.069013][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.069202][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.069395][ T533] ? cap_capable (security/commoncap.c:131) 
[ 47.069587][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.069778][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.070022][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 47.070219][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.070411][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.070657][ T533] ? cap_capable (security/commoncap.c:131) 
[ 47.070843][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.071044][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.071234][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.071422][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.071651][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.071882][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.072135][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.072324][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.072509][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.072700][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.072902][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.073060][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.073253][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.073449][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.073592][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.073784][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.073973][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.074178][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.074488][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.074673][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.074864][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.075071][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.075373][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.075570][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.075754][ T533] ? 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) 
[ 47.075943][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.076256][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 47.076449][ T533] ? 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) 
[ 47.076641][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 47.076831][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 47.077140][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.077373][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.077563][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.077792][  T533] RIP: 0033:0x7f343d05ba4a
[ 47.078117][ T533] Code: Unable to access opcode bytes at 0x7f343d05ba20.

Code starting with the faulting instruction
===========================================
[   47.078355][  T533] RSP: 002b:00007ffc33f458f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.078633][  T533] RAX: ffffffffffffffda RBX: 0000000027fa2b00 RCX: 00007f343d05ba4a
[   47.079032][  T533] RDX: 000000000000003c RSI: 0000000027fa2b00 RDI: 0000000000000005
[   47.079307][  T533] RBP: 0000000027fa2910 R08: 00007f343d1ff200 R09: 000000000000000c
[   47.079584][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.079971][  T533] R13: 0000000027fa2910 R14: 0000000000000000 R15: 0000000000000003
| [   47.092221][  T533] ------------[ cut here ]------------
| [ 47.092448][ T533] WARNING: CPU: 2 PID: 533 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) 
| [   47.092835][  T533] Modules linked in: netdevsim
| [   47.093461][  T533] Tainted: [W]=WARN
[   47.093621][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.093869][ T533] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.094138][ T533] 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
[   47.094807][  T533] RSP: 0000:ffffc90000e471e8 EFLAGS: 00010246
[   47.095065][  T533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.095359][  T533] RDX: 0000000000000000 RSI: ffff88800b972c98 RDI: ffff888009ca2dc0
[   47.095651][  T533] RBP: ffffffff9a723440 R08: 0000000000000000 R09: fffffbfff30bd83c
[   47.095936][  T533] R10: ffffffff985ec1e7 R11: ffff888009ca2300 R12: 0000000000000000
[   47.096240][  T533] R13: ffff88800b972128 R14: ffff88800b972008 R15: ffff88800b972000
[   47.096541][  T533] FS:  00007f343ce4f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.096878][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.097137][  T533] CR2: 00007f4acc74f598 CR3: 0000000006284006 CR4: 0000000000772ef0
[   47.097428][  T533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.097726][  T533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.098031][  T533] PKRU: 55555554
[   47.098190][  T533] Call Trace:
[   47.098343][  T533]  <TASK>
[ 47.098455][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.098659][ T533] ? __warn (kernel/panic.c:748) 
[ 47.098819][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.099036][ T533] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.099247][ T533] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.099406][ T533] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.099610][ T533] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.099828][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.100041][ T533] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.100251][ T533] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.100508][ T533] ? _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) 
[ 47.100721][ T533] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.100927][ T533] register_netdevice (net/core/dev.c:11003) 
[ 47.101148][ T533] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.101363][ T533] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.101582][ T533] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.101847][ T533] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.102123][ T533] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.102384][ T533] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.102644][ T533] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.102900][ T533] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.103169][ T533] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.103430][ T533] devlink_reload (net/devlink/dev.c:474) 
[ 47.103639][ T533] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.103840][ T533] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.104060][ T533] ? cap_capable (security/commoncap.c:131) 
[ 47.104271][ T533] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.104480][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.104737][ T533] ? __nla_parse (lib/nlattr.c:732) 
[ 47.104953][ T533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.105167][ T533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.105434][ T533] ? cap_capable (security/commoncap.c:131) 
[ 47.105634][ T533] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.105846][ T533] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.106061][ T533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.106272][ T533] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.106517][ T533] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.106769][ T533] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.107051][ T533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.107263][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.107464][ T533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.107687][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.107908][ T533] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.108077][ T533] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.108290][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.108512][ T533] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.108674][ T533] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.108879][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.109099][ T533] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.109310][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.109522][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.109722][ T533] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.109928][ T533] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.110159][ T533] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.110377][ T533] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.110598][ T533] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.110806][ T533] ? 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) 
[ 47.111030][ T533] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.111236][ T533] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 47.111448][ T533] ? 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) 
[ 47.111656][ T533] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 47.111865][ T533] __x64_sys_sendto (net/socket.c:2181) 
[ 47.112086][ T533] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.112349][ T533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.112555][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.112801][  T533] RIP: 0033:0x7f343d05ba4a
[ 47.113029][ T533] Code: Unable to access opcode bytes at 0x7f343d05ba20.

Code starting with the faulting instruction
===========================================
[   47.113284][  T533] RSP: 002b:00007ffc33f458f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.113582][  T533] RAX: ffffffffffffffda RBX: 0000000027fa2b00 RCX: 00007f343d05ba4a
[   47.113914][  T533] RDX: 000000000000003c RSI: 0000000027fa2b00 RDI: 0000000000000005
[   47.114227][  T533] RBP: 0000000027fa2910 R08: 00007f343d1ff200 R09: 000000000000000c
[   47.114519][  T533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200


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