======================================
| 0
| xx__-> [    9.819219][  T228] ------------[ cut here ]------------
| [ 9.819772][ T228] WARNING: CPU: 2 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) 
| [    9.820387][  T228] Modules linked in: netdevsim
[    9.821142][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.821455][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.821767][ 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
[    9.822574][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.822892][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.823249][  T228] RDX: 0000000000000000 RSI: ffff88800abcac98 RDI: ffff88800b7f8b78
[    9.823603][  T228] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[    9.823968][  T228] R10: ffffffff8fdec1e7 R11: ffff88800b7f8040 R12: 0000000000000000
[    9.824340][  T228] R13: ffff88800abca128 R14: ffff88800abca008 R15: ffff88800abca000
[    9.824700][  T228] FS:  00007f7502b72740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[    9.825118][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.825432][  T228] CR2: 000055e8d0ec1b68 CR3: 0000000005712006 CR4: 0000000000772ef0
[    9.825789][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.826159][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.826525][  T228] PKRU: 55555554
[    9.826715][  T228] Call Trace:
[    9.826907][  T228]  <TASK>
[ 9.827044][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.827325][ T228] ? __warn (kernel/panic.c:748) 
[ 9.827524][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.827768][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.828019][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.828224][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.828472][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.828736][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.828988][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.829308][ 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) 
[ 9.829562][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.829815][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.830069][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.830340][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.830601][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.830907][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.831108][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.831433][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.831741][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.832054][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.832317][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.832623][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.832873][ 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)) 
[ 9.833063][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.833330][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.833577][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.833819][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.834060][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.834321][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.834617][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.834869][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.835118][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.835362][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.835606][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.835856][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.836114][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.836358][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.836617][ 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) 
[ 9.836871][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.837132][ T228] device_add (drivers/base/core.c:3672) 
[ 9.837385][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.837630][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.837889][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.838207][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.838526][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.838764][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.839018][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.839268][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.839524][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.839720][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.839972][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.840225][ 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) 
[ 9.840486][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.840742][ T228] ksys_write (fs/read_write.c:731) 
[ 9.840932][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.841186][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.841444][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.841695][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.841989][  T228] RIP: 0033:0x7f7502cb3b77
[ 9.842256][ 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
[    9.843072][  T228] RSP: 002b:00007ffe33ee93a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.843445][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7502cb3b77
[    9.843804][  T228] RDX: 0000000000000005 RSI: 000055e8d0ec0b60 RDI: 0000000000000001
[    9.844176][  T228] RBP: 000055e8d0ec0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.844533][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.844874][  T228] R13: 00007f7502d6f760 R14: 0000000000000005 R15: 00007f7502d6a9c0
| [    9.880017][  T228] ------------[ cut here ]------------
| [ 9.880347][ 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) 
| [    9.880781][  T228] Modules linked in: netdevsim
| [    9.881447][  T228] Tainted: [W]=WARN
[    9.881619][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.881891][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.882179][ 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
[    9.882928][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.883211][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.883542][  T228] RDX: 0000000000000000 RSI: ffff888009aa2c98 RDI: ffff88800b7f8b78
[    9.883861][  T228] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[    9.884200][  T228] R10: ffffffff8fdec1e7 R11: ffff88800b7f8040 R12: 0000000000000000
[    9.884519][  T228] R13: ffff888009aa2128 R14: ffff888009aa2008 R15: ffff888009aa2000
[    9.884868][  T228] FS:  00007f7502b72740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[    9.885249][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.885520][  T228] CR2: 00007f919cee6d40 CR3: 0000000005712001 CR4: 0000000000772ef0
[    9.885838][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.886167][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.886489][  T228] PKRU: 55555554
[    9.886652][  T228] Call Trace:
[    9.886815][  T228]  <TASK>
[ 9.886927][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.887159][ T228] ? __warn (kernel/panic.c:748) 
[ 9.887326][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.887543][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.887766][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.887935][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.888162][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.888394][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.888621][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.888898][ 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) 
[ 9.889135][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.889360][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.889588][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.889819][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.890053][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.890342][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.890509][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.890793][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.891075][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.891367][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.891596][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.891871][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.892090][ 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)) 
[ 9.892263][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.892492][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.892716][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.892936][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.893174][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.893395][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.893661][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.893881][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.894123][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.894343][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.894559][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.894780][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.895001][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.895227][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.895447][ 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) 
[ 9.895678][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.895900][ T228] device_add (drivers/base/core.c:3672) 
[ 9.896134][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.896352][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.896582][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.896862][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.897154][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.897375][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.897600][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.897814][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.898038][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.898221][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.898444][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.898660][ 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) 
[ 9.898887][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.899137][ T228] ksys_write (fs/read_write.c:731) 
[ 9.899306][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.899522][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.899754][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.899972][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.900249][  T228] RIP: 0033:0x7f7502cb3b77
[ 9.900474][ 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
[    9.901236][  T228] RSP: 002b:00007ffe33ee93a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.901563][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7502cb3b77
[    9.901882][  T228] RDX: 0000000000000005 RSI: 000055e8d0ec0b60 RDI: 0000000000000001
[    9.902216][  T228] RBP: 000055e8d0ec0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.902537][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.902856][  T228] R13: 00007f7502d6f760 R14: 0000000000000005 R15: 00007f7502d6a9c0
| [    9.915995][  T228] ------------[ cut here ]------------
| [ 9.916247][ 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) 
| [    9.916674][  T228] Modules linked in: netdevsim
| [    9.917357][  T228] Tainted: [W]=WARN
[    9.917521][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.917789][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.918063][ 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
[    9.918820][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.919093][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.919421][  T228] RDX: 0000000000000000 RSI: ffff888009a4ac98 RDI: ffff88800b7f8b78
[    9.919742][  T228] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[    9.920065][  T228] R10: ffffffff8fdec1e7 R11: ffff88800b7f8040 R12: 0000000000000000
[    9.920399][  T228] R13: ffff888009a4a128 R14: ffff888009a4a008 R15: ffff888009a4a000
[    9.920723][  T228] FS:  00007f7502b72740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[    9.921091][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.921376][  T228] CR2: 00007f919cee6d40 CR3: 0000000005712001 CR4: 0000000000772ef0
[    9.921695][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.922015][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.922344][  T228] PKRU: 55555554
[    9.922506][  T228] Call Trace:
[    9.922671][  T228]  <TASK>
[ 9.922788][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.923005][ T228] ? __warn (kernel/panic.c:748) 
[ 9.923184][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.923405][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.923630][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.923796][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.924021][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.924266][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.924501][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.924777][ 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) 
[ 9.925002][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.925236][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.925465][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.925695][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.925937][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.926225][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.926393][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.926675][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.926954][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.927251][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.927488][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.927763][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.927987][ 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)) 
[ 9.928163][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.928387][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.928614][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.928832][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.929054][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.929286][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.929551][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.929767][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.929982][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.930211][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.930427][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.930656][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.930875][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.931090][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.931319][ 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) 
[ 9.931544][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.931764][ T228] device_add (drivers/base/core.c:3672) 
[ 9.931985][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.932214][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.932449][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.932727][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.933010][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.933234][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.933456][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.933670][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.933897][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.934076][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.934309][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.934522][ 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) 
[ 9.934748][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.934973][ T228] ksys_write (fs/read_write.c:731) 
[ 9.935150][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.935364][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.935597][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.935817][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.936082][  T228] RIP: 0033:0x7f7502cb3b77
[ 9.936315][ 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
[    9.937061][  T228] RSP: 002b:00007ffe33ee93a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.937397][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7502cb3b77
[    9.937716][  T228] RDX: 0000000000000005 RSI: 000055e8d0ec0b60 RDI: 0000000000000001
[    9.938038][  T228] RBP: 000055e8d0ec0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.938372][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.938693][  T228] R13: 00007f7502d6f760 R14: 0000000000000005 R15: 00007f7502d6a9c0
| [    9.951726][  T228] ------------[ cut here ]------------
| [ 9.951968][ 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) 
| [    9.952427][  T228] Modules linked in: netdevsim
| [    9.953075][  T228] Tainted: [W]=WARN
[    9.953253][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.953528][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.953801][ 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
[    9.954659][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.954938][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.955279][  T228] RDX: 0000000000000000 RSI: ffff888002b4ac98 RDI: ffff88800b7f8b78
[    9.955601][  T228] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[    9.955919][  T228] R10: ffffffff8fdec1e7 R11: ffff88800b7f8040 R12: 0000000000000000
[    9.956253][  T228] R13: ffff888002b4a128 R14: ffff888002b4a008 R15: ffff888002b4a000
[    9.956578][  T228] FS:  00007f7502b72740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[    9.956948][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.957231][  T228] CR2: 00007f919cee6d40 CR3: 0000000005712001 CR4: 0000000000772ef0
[    9.957550][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.957872][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.958202][  T228] PKRU: 55555554
[    9.958363][  T228] Call Trace:
[    9.958527][  T228]  <TASK>
[ 9.958638][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.958852][ T228] ? __warn (kernel/panic.c:748) 
[ 9.959017][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.959256][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.959482][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.959649][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.959863][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.960094][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.960337][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.960619][ 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) 
[ 9.960846][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.961070][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.961307][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.961537][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.961773][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.962049][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.962226][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.962518][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.962795][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.963074][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.963315][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.963589][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.963811][ 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)) 
[ 9.963978][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.964227][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.964449][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.964671][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.964889][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.965127][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.965393][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.965617][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.965832][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.966052][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.966280][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.966506][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.966722][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.966936][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.967176][ 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) 
[ 9.967403][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.967624][ T228] device_add (drivers/base/core.c:3672) 
[ 9.967844][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.968059][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.968301][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.968581][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.968866][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.969081][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.969319][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.969535][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.969758][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.969930][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.970164][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.970383][ 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) 
[ 9.970608][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.970832][ T228] ksys_write (fs/read_write.c:731) 
[ 9.971000][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.971227][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.971456][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.971676][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.971940][  T228] RIP: 0033:0x7f7502cb3b77
[ 9.972184][ 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
[    9.972931][  T228] RSP: 002b:00007ffe33ee93a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.973268][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7502cb3b77
[    9.973594][  T228] RDX: 0000000000000005 RSI: 000055e8d0ec0b60 RDI: 0000000000000001
[    9.973912][  T228] RBP: 000055e8d0ec0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.974252][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.974572][  T228] R13: 00007f7502d6f760 R14: 0000000000000005 R15: 00007f7502d6a9c0
| [   39.627831][  T313] ------------[ cut here ]------------
| [ 39.628272][ T313] WARNING: CPU: 2 PID: 313 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) 
| [   39.628723][  T313] Modules linked in: netdevsim
| [   39.629386][  T313] Tainted: [W]=WARN
[   39.629566][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.629847][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.630147][ T313] 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
[   39.630903][  T313] RSP: 0018:ffffc900006271e8 EFLAGS: 00010246
[   39.631196][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.631532][  T313] RDX: 0000000000000000 RSI: ffff88800a462c98 RDI: ffff88800b608b00
[   39.631862][  T313] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   39.632214][  T313] R10: ffffffff8fdec1e7 R11: ffff88800b608040 R12: 0000000000000000
[   39.632546][  T313] R13: ffff88800a462128 R14: ffff88800a462008 R15: ffff88800a462000
[   39.632880][  T313] FS:  00007f816c49a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   39.633280][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.633561][  T313] CR2: 000000000041ecd0 CR3: 0000000009fae003 CR4: 0000000000772ef0
[   39.633999][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.634435][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.634781][  T313] PKRU: 55555554
[   39.634955][  T313] Call Trace:
[   39.635142][  T313]  <TASK>
[ 39.635266][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.635489][ T313] ? __warn (kernel/panic.c:748) 
[ 39.635667][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.635898][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.636149][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.636335][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.636565][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.636810][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.637038][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.637281][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.637571][ T313] ? _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) 
[ 39.637807][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.638042][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.638300][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.638562][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.638812][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.639121][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.639425][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.639718][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.640012][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.640311][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.640595][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.640877][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.641127][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.641426][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.641665][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.641899][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.642207][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.642444][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.642727][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.642969][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.643214][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.643506][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.643736][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.643981][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.644228][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.644459][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.644739][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.645013][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.645321][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.645543][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.645767][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.645988][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.646244][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.646420][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.646645][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.646886][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.647061][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.647312][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.647541][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.647779][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.648010][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.648251][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.648478][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.648714][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.648945][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.649200][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.649426][ T313] ? 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) 
[ 39.649661][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.649929][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.650173][ T313] ? 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) 
[ 39.650410][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.650641][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.650869][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.651157][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.651389][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.651672][  T313] RIP: 0033:0x7f816c6a6a4a
[ 39.651907][ T313] 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
[   39.652672][  T313] RSP: 002b:00007ffe9ec8f858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.653008][  T313] RAX: ffffffffffffffda RBX: 0000000007c96b00 RCX: 00007f816c6a6a4a
[   39.653355][  T313] RDX: 0000000000000034 RSI: 0000000007c96b00 RDI: 0000000000000005
[   39.653692][  T313] RBP: 0000000007c96910 R08: 00007f816c84a200 R09: 000000000000000c
[   39.654031][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.654372][  T313] R13: 0000000007c96910 R14: 0000000000000000 R15: 0000000000000001
| [   39.665519][  T313] ------------[ cut here ]------------
| [ 39.665779][ T313] WARNING: CPU: 2 PID: 313 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) 
| [   39.666241][  T313] Modules linked in: netdevsim
| [   39.666859][  T313] Tainted: [W]=WARN
[   39.667036][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.668092][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.668569][ T313] 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
[   39.669587][  T313] RSP: 0018:ffffc900006271e8 EFLAGS: 00010246
[   39.669948][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.670492][  T313] RDX: 0000000000000000 RSI: ffff888002432c98 RDI: ffff88800b608b00
[   39.671027][  T313] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   39.671450][  T313] R10: ffffffff8fdec1e7 R11: ffff88800b608040 R12: 0000000000000000
[   39.671863][  T313] R13: ffff888002432128 R14: ffff888002432008 R15: ffff888002432000
[   39.672412][  T313] FS:  00007f816c49a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   39.672990][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.673363][  T313] CR2: 000000000041ecd0 CR3: 0000000009fae003 CR4: 0000000000772ef0
[   39.673781][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.674210][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.674622][  T313] PKRU: 55555554
[   39.674875][  T313] Call Trace:
[   39.675142][  T313]  <TASK>
[ 39.675342][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.675652][ T313] ? __warn (kernel/panic.c:748) 
[ 39.675906][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.676226][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.676538][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.676802][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.677128][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.677450][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.677757][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.678063][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.678438][ T313] ? _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) 
[ 39.678747][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.679061][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.679381][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.679699][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.680020][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.680399][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.680773][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.681165][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.681530][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.681902][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.682269][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.682626][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.682927][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.683305][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.683535][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.683771][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.684061][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.684302][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.684585][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.684829][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.685056][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.685355][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.685582][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.685816][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.686049][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.686292][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.686578][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.686863][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.687167][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.687396][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.687635][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.687869][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.688121][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.688293][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.688520][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.688755][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.688930][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.689176][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.689405][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.689644][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.689876][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.690112][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.690345][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.690582][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.690813][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.691050][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.691290][ T313] ? 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) 
[ 39.691524][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.691752][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.691979][ T313] ? 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) 
[ 39.692221][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.692570][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.692800][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.693203][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.693557][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.693830][  T313] RIP: 0033:0x7f816c6a6a4a
[ 39.694071][ T313] 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
[   39.694817][  T313] RSP: 002b:00007ffe9ec8f858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.697639][  T313] RAX: ffffffffffffffda RBX: 0000000007c96b00 RCX: 00007f816c6a6a4a
[   39.697963][  T313] RDX: 0000000000000034 RSI: 0000000007c96b00 RDI: 0000000000000005
[   39.698297][  T313] RBP: 0000000007c96910 R08: 00007f816c84a200 R09: 000000000000000c
[   39.698626][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.699086][  T313] R13: 0000000007c96910 R14: 0000000000000000 R15: 0000000000000001
| [   39.728455][  T313] ------------[ cut here ]------------
| [ 39.728735][ T313] WARNING: CPU: 2 PID: 313 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) 
| [   39.729216][  T313] Modules linked in: netdevsim
| [   39.729823][  T313] Tainted: [W]=WARN
[   39.730002][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.730443][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.730723][ T313] 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
[   39.731468][  T313] RSP: 0018:ffffc900006271e8 EFLAGS: 00010246
[   39.731752][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.732080][  T313] RDX: 0000000000000000 RSI: ffff888005002c98 RDI: ffff88800b608b00
[   39.732420][  T313] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   39.732755][  T313] R10: ffffffff8fdec1e7 R11: ffff88800b608040 R12: 0000000000000000
[   39.733073][  T313] R13: ffff888005002128 R14: ffff888005002008 R15: ffff888005002000
[   39.733412][  T313] FS:  00007f816c49a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   39.733799][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.734090][  T313] CR2: 000000000041ecd0 CR3: 0000000009fae003 CR4: 0000000000772ef0
[   39.734430][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.734756][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.735081][  T313] PKRU: 55555554
[   39.735265][  T313] Call Trace:
[   39.735435][  T313]  <TASK>
[ 39.735560][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.735791][ T313] ? __warn (kernel/panic.c:748) 
[ 39.735963][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.736204][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.736444][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.736625][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.736849][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.737085][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.737322][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.737564][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.737844][ T313] ? _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) 
[ 39.738075][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.738313][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.738544][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.738779][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.739024][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.739326][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.739617][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.739902][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.740196][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.740481][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.740764][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.741045][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.741293][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.741580][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.741808][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.742038][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.742343][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.742572][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.742879][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.743130][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.743369][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.743658][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.743891][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.744143][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.744374][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.744600][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.744879][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.745159][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.745452][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.745690][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.745911][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.746147][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.746385][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.746559][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.746784][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.747022][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.747227][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.747462][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.747695][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.747929][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.748174][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.748409][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.748634][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.748867][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.749094][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.749341][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.749561][ T313] ? 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) 
[ 39.749780][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.750002][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.750239][ T313] ? 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) 
[ 39.750460][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.750689][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.750907][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.751187][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.751406][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.751672][  T313] RIP: 0033:0x7f816c6a6a4a
[ 39.751894][ T313] Code: Unable to access opcode bytes at 0x7f816c6a6a20.

Code starting with the faulting instruction
===========================================
[   39.752203][  T313] RSP: 002b:00007ffe9ec8f858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.752533][  T313] RAX: ffffffffffffffda RBX: 0000000007c96b00 RCX: 00007f816c6a6a4a
[   39.752865][  T313] RDX: 0000000000000034 RSI: 0000000007c96b00 RDI: 0000000000000005
[   39.753204][  T313] RBP: 0000000007c96910 R08: 00007f816c84a200 R09: 000000000000000c
[   39.753528][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.753862][  T313] R13: 0000000007c96910 R14: 0000000000000000 R15: 0000000000000001
| [   39.775277][  T313] ------------[ cut here ]------------
| [ 39.775539][ T313] WARNING: CPU: 2 PID: 313 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) 
| [   39.775963][  T313] Modules linked in: netdevsim
| [   39.776612][  T313] Tainted: [W]=WARN
[   39.776793][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.777067][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.777367][ T313] 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
[   39.778095][  T313] RSP: 0018:ffffc900006271e8 EFLAGS: 00010246
[   39.778391][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.778714][  T313] RDX: 0000000000000000 RSI: ffff888009292c98 RDI: ffff88800b608b00
[   39.779041][  T313] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   39.779379][  T313] R10: ffffffff8fdec1e7 R11: ffff88800b608040 R12: 0000000000000000
[   39.779711][  T313] R13: ffff888009292128 R14: ffff888009292008 R15: ffff888009292000
[   39.780036][  T313] FS:  00007f816c49a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   39.780448][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.780721][  T313] CR2: 00007f816c6a6a20 CR3: 0000000009fae003 CR4: 0000000000772ef0
[   39.781047][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.781389][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.781716][  T313] PKRU: 55555554
[   39.781887][  T313] Call Trace:
[   39.782056][  T313]  <TASK>
[ 39.782212][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.782433][ T313] ? __warn (kernel/panic.c:748) 
[ 39.782611][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.782861][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.783119][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.783295][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.783519][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.783752][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.783978][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.784214][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.784489][ T313] ? _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) 
[ 39.784709][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.784927][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.785162][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.785386][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.785626][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.785905][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.786216][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.786510][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.786786][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.787060][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.787346][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.787623][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.787841][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.788136][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.788371][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.788602][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.788880][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.789127][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.789403][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.789636][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.789863][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.790162][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.790381][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.790612][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.790842][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.791069][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.791356][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.791626][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.791905][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.792139][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.792360][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.792587][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.792824][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.792994][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.793230][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.793455][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.793628][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.793852][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.794089][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.794325][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.794552][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.794769][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.794990][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.795233][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.795458][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.795691][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.795906][ T313] ? 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) 
[ 39.796140][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.796364][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.796589][ T313] ? 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) 
[ 39.796809][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.797032][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.797269][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.797542][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.797772][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.798043][  T313] RIP: 0033:0x7f816c6a6a4a
[ 39.798284][ T313] Code: Unable to access opcode bytes at 0x7f816c6a6a20.

Code starting with the faulting instruction
===========================================
[   39.798564][  T313] RSP: 002b:00007ffe9ec8f858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.798890][  T313] RAX: ffffffffffffffda RBX: 0000000007c96b00 RCX: 00007f816c6a6a4a
[   39.799234][  T313] RDX: 0000000000000034 RSI: 0000000007c96b00 RDI: 0000000000000005
[   39.799557][  T313] RBP: 0000000007c96910 R08: 00007f816c84a200 R09: 000000000000000c
[   39.799870][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.800212][  T313] R13: 0000000007c96910 R14: 0000000000000000 R15: 0000000000000001
| [   42.536826][  T405] ------------[ cut here ]------------
| [ 42.537206][ T405] WARNING: CPU: 2 PID: 405 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) 
| [   42.537647][  T405] Modules linked in: netdevsim
| [   42.538289][  T405] Tainted: [W]=WARN
[   42.538470][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.538750][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.539036][ T405] 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
[   42.539808][  T405] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   42.540091][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.540435][  T405] RDX: 0000000000000000 RSI: ffff88800a6aac98 RDI: ffff888005262dc0
[   42.540768][  T405] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   42.541096][  T405] R10: ffffffff8fdec1e7 R11: ffff888005262300 R12: 0000000000000000
[   42.541439][  T405] R13: ffff88800a6aa128 R14: ffff88800a6aa008 R15: ffff88800a6aa000
[   42.541771][  T405] FS:  00007f627b65f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.542163][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.542448][  T405] CR2: 000055e8be482990 CR3: 000000000e1ce004 CR4: 0000000000772ef0
[   42.542780][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.543126][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.543461][  T405] PKRU: 55555554
[   42.543633][  T405] Call Trace:
[   42.543807][  T405]  <TASK>
[ 42.543940][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.544186][ T405] ? __warn (kernel/panic.c:748) 
[ 42.544369][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.544602][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.544842][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.545020][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.545264][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.545511][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.545747][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.545984][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.546286][ T405] ? _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) 
[ 42.546524][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.546758][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.546995][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.547247][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.547499][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.547794][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.548094][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.548410][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.548704][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.548992][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.549280][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.549557][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.549782][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.550072][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.550372][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.550595][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.550880][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.551114][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.551392][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.551622][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.551846][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.552139][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.552361][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.552590][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.552821][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.553043][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.553333][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.553601][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.553887][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.554125][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.554353][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.554569][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.554800][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.554973][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.555210][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.555434][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.555603][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.555828][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.556054][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.556291][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.556516][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.556732][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.556953][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.557195][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.557419][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.557651][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.557867][ T405] ? 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) 
[ 42.558088][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.558328][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.558553][ T405] ? 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) 
[ 42.558774][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.559001][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.559232][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.559498][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.559718][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.559986][  T405] RIP: 0033:0x7f627b86ba4a
[ 42.560220][ T405] 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
[   42.560937][  T405] RSP: 002b:00007ffcb960b3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.561389][  T405] RAX: ffffffffffffffda RBX: 00000000381c5b00 RCX: 00007f627b86ba4a
[   42.561703][  T405] RDX: 0000000000000034 RSI: 00000000381c5b00 RDI: 0000000000000005
[   42.562014][  T405] RBP: 00000000381c5910 R08: 00007f627ba0f200 R09: 000000000000000c
[   42.562463][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.562889][  T405] R13: 00000000381c5910 R14: 0000000000000000 R15: 0000000000000001
| [   42.576112][  T405] ------------[ cut here ]------------
| [ 42.576333][ T405] WARNING: CPU: 1 PID: 405 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) 
| [   42.576721][  T405] Modules linked in: netdevsim
| [   42.577282][  T405] Tainted: [W]=WARN
[   42.577433][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.577674][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.577923][ T405] 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
[   42.578619][  T405] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   42.578865][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.579160][  T405] RDX: 0000000000000000 RSI: ffff888005a52c98 RDI: ffff888005262dc0
[   42.579449][  T405] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   42.579747][  T405] R10: ffffffff8fdec1e7 R11: ffff888005262300 R12: 0000000000000000
[   42.580046][  T405] R13: ffff888005a52128 R14: ffff888005a52008 R15: ffff888005a52000
[   42.580437][  T405] FS:  00007f627b65f800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   42.580765][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.581007][  T405] CR2: 000055d3a115f170 CR3: 000000000e1ce005 CR4: 0000000000772ef0
[   42.581396][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.581683][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.581962][  T405] PKRU: 55555554
[   42.582192][  T405] Call Trace:
[   42.582341][  T405]  <TASK>
[ 42.582443][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.582635][ T405] ? __warn (kernel/panic.c:748) 
[ 42.582789][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.582981][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.583191][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.583339][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.583534][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.583740][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.583950][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.584160][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.584401][ T405] ? _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) 
[ 42.584599][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.584794][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.584988][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.585204][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.585418][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.585669][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.585921][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.586181][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.586426][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.586668][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.586911][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.587160][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.587351][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.587604][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.587803][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.587997][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.588260][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.588455][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.588691][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.588895][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.589090][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.589357][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.589552][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.589755][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.589948][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.590152][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.590391][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.590627][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.590876][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.591074][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.591278][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.591473][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.591678][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.591824][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.592019][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.592226][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.592373][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.592575][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.592767][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.592965][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.593172][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.593362][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.593556][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.593758][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.593960][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.594177][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.594366][ T405] ? 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) 
[ 42.594562][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.594759][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.594954][ T405] ? 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) 
[ 42.595159][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.595358][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.595557][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.595794][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.595989][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.596236][  T405] RIP: 0033:0x7f627b86ba4a
[ 42.596437][ T405] Code: Unable to access opcode bytes at 0x7f627b86ba20.

Code starting with the faulting instruction
===========================================
[   42.596676][  T405] RSP: 002b:00007ffcb960b3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.596966][  T405] RAX: ffffffffffffffda RBX: 00000000381c5b00 RCX: 00007f627b86ba4a
[   42.597259][  T405] RDX: 0000000000000034 RSI: 00000000381c5b00 RDI: 0000000000000005
[   42.597542][  T405] RBP: 00000000381c5910 R08: 00007f627ba0f200 R09: 000000000000000c
[   42.597822][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.598124][  T405] R13: 00000000381c5910 R14: 0000000000000000 R15: 0000000000000001
| [   42.627748][  T405] ------------[ cut here ]------------
| [ 42.627994][ T405] WARNING: CPU: 0 PID: 405 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) 
| [   42.628442][  T405] Modules linked in: netdevsim
| [   42.629037][  T405] Tainted: [W]=WARN
[   42.629212][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.629473][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.629735][ T405] 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
[   42.630491][  T405] RSP: 0000:ffffc90000bb71e8 EFLAGS: 00010246
[   42.630765][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.631077][  T405] RDX: 0000000000000000 RSI: ffff888004e12c98 RDI: ffff888005262dc0
[   42.631554][  T405] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   42.631876][  T405] R10: ffffffff8fdec1e7 R11: ffff888005262300 R12: 0000000000000000
[   42.632355][  T405] R13: ffff888004e12128 R14: ffff888004e12008 R15: ffff888004e12000
[   42.632669][  T405] FS:  00007f627b65f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.633032][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.633425][  T405] CR2: 00007fbf41904080 CR3: 000000000e1ce006 CR4: 0000000000772ef0
[   42.633742][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.634060][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.634519][  T405] PKRU: 55555554
[   42.634682][  T405] Call Trace:
[   42.634848][  T405]  <TASK>
[ 42.634956][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.635324][ T405] ? __warn (kernel/panic.c:748) 
[ 42.635489][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.635701][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.635923][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.636089][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.636433][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.636664][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.636872][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.637087][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.637489][ T405] ? _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) 
[ 42.637706][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.637924][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.638249][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.638474][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.638706][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.638979][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.639274][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.639555][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.639831][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.640117][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.640380][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.640643][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.640850][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.641141][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.641360][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.641573][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.641847][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.642058][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.642332][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.642563][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.642788][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.643069][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.643293][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.643514][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.643729][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.643949][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.644222][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.644480][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.644749][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.644965][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.645189][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.645403][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.645631][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.645795][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.646014][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.646236][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.646398][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.646610][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.646818][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.647036][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.647263][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.647475][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.647695][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.647919][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.648156][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.648382][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.648594][ T405] ? 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) 
[ 42.648810][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.649030][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.649263][ T405] ? 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) 
[ 42.649481][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.649696][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.649908][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.650186][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.650406][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.650669][  T405] RIP: 0033:0x7f627b86ba4a
[ 42.650889][ T405] Code: Unable to access opcode bytes at 0x7f627b86ba20.

Code starting with the faulting instruction
===========================================
[   42.651157][  T405] RSP: 002b:00007ffcb960b3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.651461][  T405] RAX: ffffffffffffffda RBX: 00000000381c5b00 RCX: 00007f627b86ba4a
[   42.651772][  T405] RDX: 0000000000000034 RSI: 00000000381c5b00 RDI: 0000000000000005
[   42.652219][  T405] RBP: 00000000381c5910 R08: 00007f627ba0f200 R09: 000000000000000c
[   42.652534][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.652850][  T405] R13: 00000000381c5910 R14: 0000000000000000 R15: 0000000000000001
| [   42.679072][  T405] ------------[ cut here ]------------
| [ 42.679336][ T405] WARNING: CPU: 0 PID: 405 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) 
| [   42.679759][  T405] Modules linked in: netdevsim
| [   42.680352][  T405] Tainted: [W]=WARN
[   42.680519][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.680775][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.681038][ T405] 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
[   42.681791][  T405] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   42.682056][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.682377][  T405] RDX: 0000000000000000 RSI: ffff88800528ac98 RDI: ffff888005262dc0
[   42.682695][  T405] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   42.683008][  T405] R10: ffffffff8fdec1e7 R11: ffff888005262300 R12: 0000000000000000
[   42.683330][  T405] R13: ffff88800528a128 R14: ffff88800528a008 R15: ffff88800528a000
[   42.683644][  T405] FS:  00007f627b65f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.684017][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.684296][  T405] CR2: 00007f919cc085a0 CR3: 000000000e1ce006 CR4: 0000000000772ef0
[   42.684610][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.684925][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.685244][  T405] PKRU: 55555554
[   42.685401][  T405] Call Trace:
[   42.685566][  T405]  <TASK>
[ 42.685674][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.685884][ T405] ? __warn (kernel/panic.c:748) 
[ 42.686046][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.686266][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.686491][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.686654][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.686862][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.687087][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.687307][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.687523][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.687786][ T405] ? _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) 
[ 42.688004][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.688228][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.688451][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.688675][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.689146][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.689536][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.689823][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.690111][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.690388][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.690782][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.691042][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.691314][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.691522][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.691919][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.692144][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.692366][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.692640][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.692967][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.693239][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.693573][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.693790][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.694075][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.694295][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.694517][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.694738][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.694953][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.695227][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.695485][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.695879][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.696089][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.696303][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.696633][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.696859][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.697020][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.697231][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.697445][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.697717][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.697930][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.698147][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.698474][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.698690][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.698897][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.699126][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.699347][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.699796][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.700027][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.700245][ T405] ? 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) 
[ 42.700453][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.700674][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.700892][ T405] ? 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) 
[ 42.701119][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.701448][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.701662][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.701921][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.702140][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.702405][  T405] RIP: 0033:0x7f627b86ba4a
[ 42.702625][ T405] Code: Unable to access opcode bytes at 0x7f627b86ba20.

Code starting with the faulting instruction
===========================================
[   42.702894][  T405] RSP: 002b:00007ffcb960b3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.703349][  T405] RAX: ffffffffffffffda RBX: 00000000381c5b00 RCX: 00007f627b86ba4a
[   42.703671][  T405] RDX: 0000000000000034 RSI: 00000000381c5b00 RDI: 0000000000000005
[   42.704124][  T405] RBP: 00000000381c5910 R08: 00007f627ba0f200 R09: 000000000000000c
[   42.704435][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.704748][  T405] R13: 00000000381c5910 R14: 0000000000000000 R15: 0000000000000001
| [   43.078595][  T418] ------------[ cut here ]------------
| [ 43.078849][ T418] WARNING: CPU: 0 PID: 418 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) 
| [   43.079341][  T418] Modules linked in: netdevsim
| [   43.079935][  T418] Tainted: [W]=WARN
[   43.080099][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.080376][ T418] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.080644][ T418] 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
[   43.081390][  T418] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.081662][  T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.081980][  T418] RDX: 0000000000000000 RSI: ffff888008faac98 RDI: ffff88800a6a0b00
[   43.082312][  T418] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.082633][  T418] R10: ffffffff8fdec1e7 R11: ffff88800a6a0040 R12: 0000000000000000
[   43.082954][  T418] R13: ffff888008faa128 R14: ffff888008faa008 R15: ffff888008faa000
[   43.083284][  T418] FS:  00007ff0ca3b2800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.083661][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.083943][  T418] CR2: 000000000041ecd0 CR3: 000000000b632004 CR4: 0000000000772ef0
[   43.084269][  T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.084583][  T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.084897][  T418] PKRU: 55555554
[   43.085062][  T418] Call Trace:
[   43.085237][  T418]  <TASK>
[ 43.085355][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.085570][ T418] ? __warn (kernel/panic.c:748) 
[ 43.085737][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.085953][ T418] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.086180][ T418] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.086345][ T418] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.086554][ T418] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.086781][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.087002][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.087233][ T418] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.087508][ T418] ? _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) 
[ 43.087730][ T418] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.087951][ T418] register_netdevice (net/core/dev.c:11003) 
[ 43.088183][ T418] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.088410][ T418] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.088645][ T418] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.088922][ T418] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.089211][ T418] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.089493][ T418] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.089770][ T418] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.090041][ T418] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.090319][ T418] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.090585][ T418] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 43.090856][ T418] devlink_reload (net/devlink/dev.c:474) 
[ 43.091078][ T418] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.091305][ T418] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.091587][ T418] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.091816][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.092091][ T418] ? __nla_parse (lib/nlattr.c:732) 
[ 43.092323][ T418] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.092548][ T418] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.092825][ T418] ? cap_capable (security/commoncap.c:131) 
[ 43.093040][ T418] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.093273][ T418] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.093499][ T418] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.093718][ T418] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.093992][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.094264][ T418] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.094551][ T418] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.094766][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.094978][ T418] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.095209][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.095440][ T418] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.095608][ T418] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.095833][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.096055][ T418] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.096231][ T418] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.096449][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.096670][ T418] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.096891][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.097115][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.097327][ T418] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.097549][ T418] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.097765][ T418] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.097980][ T418] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.098218][ T418] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.098426][ T418] ? 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) 
[ 43.098639][ T418] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.098849][ T418] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.099062][ T418] ? 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) 
[ 43.099287][ T418] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.099502][ T418] __x64_sys_sendto (net/socket.c:2181) 
[ 43.099712][ T418] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.099975][ T418] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.100199][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.100462][  T418] RIP: 0033:0x7ff0ca5bea4a
[ 43.100677][ T418] 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
[   43.101437][  T418] RSP: 002b:00007ffe63c518f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.101761][  T418] RAX: ffffffffffffffda RBX: 000000000c405b00 RCX: 00007ff0ca5bea4a
[   43.102080][  T418] RDX: 0000000000000034 RSI: 000000000c405b00 RDI: 0000000000000005
[   43.102407][  T418] RBP: 000000000c405910 R08: 00007ff0ca762200 R09: 000000000000000c
[   43.102723][  T418] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.103037][  T418] R13: 000000000c405910 R14: 0000000000000000 R15: 0000000000000001
| [   43.127372][  T418] ------------[ cut here ]------------
| [ 43.127642][ T418] WARNING: CPU: 2 PID: 418 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) 
| [   43.128062][  T418] Modules linked in: netdevsim
| [   43.128695][  T418] Tainted: [W]=WARN
[   43.128874][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.129165][ T418] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.129459][ T418] 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
[   43.130339][  T418] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.130730][  T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.131048][  T418] RDX: 0000000000000000 RSI: ffff888005212c98 RDI: ffff88800a6a0b00
[   43.131376][  T418] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.131691][  T418] R10: ffffffff8fdec1e7 R11: ffff88800a6a0040 R12: 0000000000000000
[   43.132006][  T418] R13: ffff888005212128 R14: ffff888005212008 R15: ffff888005212000
[   43.132338][  T418] FS:  00007ff0ca3b2800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.132722][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.133009][  T418] CR2: 00007f919d0e1e70 CR3: 000000000b632002 CR4: 0000000000772ef0
[   43.133353][  T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.133682][  T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.134020][  T418] PKRU: 55555554
[   43.134206][  T418] Call Trace:
[   43.134388][  T418]  <TASK>
[ 43.134521][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.134752][ T418] ? __warn (kernel/panic.c:748) 
[ 43.134930][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.135172][ T418] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.135409][ T418] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.135586][ T418] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.135815][ T418] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.136055][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.136295][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.136529][ T418] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.136819][ T418] ? _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) 
[ 43.137065][ T418] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.137310][ T418] register_netdevice (net/core/dev.c:11003) 
[ 43.137543][ T418] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.137777][ T418] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.138009][ T418] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.138328][ T418] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.138623][ T418] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.138918][ T418] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.139213][ T418] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.139498][ T418] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.139790][ T418] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.140070][ T418] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 43.140381][ T418] devlink_reload (net/devlink/dev.c:474) 
[ 43.140612][ T418] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.140846][ T418] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.141140][ T418] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.141374][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.141645][ T418] ? __nla_parse (lib/nlattr.c:732) 
[ 43.141882][ T418] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.142118][ T418] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.142407][ T418] ? cap_capable (security/commoncap.c:131) 
[ 43.142628][ T418] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.142858][ T418] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.143087][ T418] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.143323][ T418] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.143615][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.143894][ T418] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.144193][ T418] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.144424][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.144642][ T418] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.144881][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.145125][ T418] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.145303][ T418] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.145534][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.145768][ T418] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.145939][ T418] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.146174][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.146406][ T418] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.146632][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.146860][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.147080][ T418] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.147321][ T418] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.147554][ T418] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.147780][ T418] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.148015][ T418] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.148252][ T418] ? 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) 
[ 43.148485][ T418] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.148715][ T418] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.148943][ T418] ? 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) 
[ 43.149179][ T418] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.149420][ T418] __x64_sys_sendto (net/socket.c:2181) 
[ 43.149655][ T418] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.149933][ T418] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.150170][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.150445][  T418] RIP: 0033:0x7ff0ca5bea4a
[ 43.150677][ T418] Code: Unable to access opcode bytes at 0x7ff0ca5bea20.

Code starting with the faulting instruction
===========================================
[   43.150962][  T418] RSP: 002b:00007ffe63c518f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.151319][  T418] RAX: ffffffffffffffda RBX: 000000000c405b00 RCX: 00007ff0ca5bea4a
[   43.151657][  T418] RDX: 0000000000000034 RSI: 000000000c405b00 RDI: 0000000000000005
[   43.151996][  T418] RBP: 000000000c405910 R08: 00007ff0ca762200 R09: 000000000000000c
[   43.152484][  T418] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.152812][  T418] R13: 000000000c405910 R14: 0000000000000000 R15: 0000000000000001
| [   43.168813][  T418] ------------[ cut here ]------------
| [ 43.169159][ T418] WARNING: CPU: 2 PID: 418 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) 
| [   43.169596][  T418] Modules linked in: netdevsim
| [   43.170226][  T418] Tainted: [W]=WARN
[   43.170409][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.170689][ T418] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.170971][ T418] 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
[   43.171717][  T418] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.171995][  T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.172328][  T418] RDX: 0000000000000000 RSI: ffff88800abd2c98 RDI: ffff88800a6a0b00
[   43.172653][  T418] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.172974][  T418] R10: ffffffff8fdec1e7 R11: ffff88800a6a0040 R12: 0000000000000000
[   43.173305][  T418] R13: ffff88800abd2128 R14: ffff88800abd2008 R15: ffff88800abd2000
[   43.173628][  T418] FS:  00007ff0ca3b2800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.174019][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.174299][  T418] CR2: 00007f919cc085a0 CR3: 000000000b632002 CR4: 0000000000772ef0
[   43.174629][  T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.174960][  T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.175298][  T418] PKRU: 55555554
[   43.175477][  T418] Call Trace:
[   43.175655][  T418]  <TASK>
[ 43.175782][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.176013][ T418] ? __warn (kernel/panic.c:748) 
[ 43.176200][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.176428][ T418] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.176651][ T418] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.176824][ T418] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.177044][ T418] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.177285][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.177509][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.177731][ T418] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.178006][ T418] ? _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) 
[ 43.178247][ T418] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.178485][ T418] register_netdevice (net/core/dev.c:11003) 
[ 43.178715][ T418] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.178952][ T418] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.179200][ T418] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.179487][ T418] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.179774][ T418] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.180059][ T418] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.180361][ T418] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.180646][ T418] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.180925][ T418] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.181234][ T418] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 43.181524][ T418] devlink_reload (net/devlink/dev.c:474) 
[ 43.181748][ T418] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.181978][ T418] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.182273][ T418] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.182502][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.182770][ T418] ? __nla_parse (lib/nlattr.c:732) 
[ 43.182999][ T418] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.183233][ T418] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.183515][ T418] ? cap_capable (security/commoncap.c:131) 
[ 43.183733][ T418] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.183971][ T418] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.184210][ T418] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.184434][ T418] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.184697][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.184964][ T418] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.185253][ T418] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.185478][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.185699][ T418] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.185918][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.186164][ T418] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.186335][ T418] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.186559][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.186790][ T418] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.186964][ T418] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.187198][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.187423][ T418] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.187656][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.187887][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.188119][ T418] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.188349][ T418] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.188581][ T418] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.188809][ T418] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.189047][ T418] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.189289][ T418] ? 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) 
[ 43.189524][ T418] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.189754][ T418] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.189977][ T418] ? 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) 
[ 43.190218][ T418] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.190453][ T418] __x64_sys_sendto (net/socket.c:2181) 
[ 43.190692][ T418] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.190978][ T418] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.191229][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.191501][  T418] RIP: 0033:0x7ff0ca5bea4a
[ 43.191736][ T418] Code: Unable to access opcode bytes at 0x7ff0ca5bea20.

Code starting with the faulting instruction
===========================================
[   43.192019][  T418] RSP: 002b:00007ffe63c518f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.192363][  T418] RAX: ffffffffffffffda RBX: 000000000c405b00 RCX: 00007ff0ca5bea4a
[   43.192697][  T418] RDX: 0000000000000034 RSI: 000000000c405b00 RDI: 0000000000000005
[   43.193022][  T418] RBP: 000000000c405910 R08: 00007ff0ca762200 R09: 000000000000000c
[   43.193357][  T418] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.193684][  T418] R13: 000000000c405910 R14: 0000000000000000 R15: 0000000000000001
| [   43.213051][  T418] ------------[ cut here ]------------
| [ 43.213384][ T418] WARNING: CPU: 1 PID: 418 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) 
| [   43.213790][  T418] Modules linked in: netdevsim
| [   43.214390][  T418] Tainted: [W]=WARN
[   43.214544][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.214790][ T418] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.215040][ T418] 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
[   43.215744][  T418] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.215998][  T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.216302][  T418] RDX: 0000000000000000 RSI: ffff88800b892c98 RDI: ffff88800a6a0b00
[   43.216586][  T418] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.216874][  T418] R10: ffffffff8fdec1e7 R11: ffff88800a6a0040 R12: 0000000000000000
[   43.217177][  T418] R13: ffff88800b892128 R14: ffff88800b892008 R15: ffff88800b892000
[   43.217463][  T418] FS:  00007ff0ca3b2800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   43.217798][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.218040][  T418] CR2: 000055d3a11ab278 CR3: 000000000b632002 CR4: 0000000000772ef0
[   43.218344][  T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.218632][  T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.218917][  T418] PKRU: 55555554
[   43.219064][  T418] Call Trace:
[   43.219221][  T418]  <TASK>
[ 43.219326][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.219522][ T418] ? __warn (kernel/panic.c:748) 
[ 43.219725][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.219922][ T418] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.220134][ T418] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.220283][ T418] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.220474][ T418] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.220679][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.220872][ T418] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.221074][ T418] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.221330][ T418] ? _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) 
[ 43.221528][ T418] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.221724][ T418] register_netdevice (net/core/dev.c:11003) 
[ 43.221921][ T418] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.222137][ T418] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.222351][ T418] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.222600][ T418] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.222856][ T418] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.223118][ T418] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.223367][ T418] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.223610][ T418] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.223858][ T418] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.224115][ T418] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 43.224370][ T418] devlink_reload (net/devlink/dev.c:474) 
[ 43.224567][ T418] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.224759][ T418] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.225006][ T418] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.225220][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.225460][ T418] ? __nla_parse (lib/nlattr.c:732) 
[ 43.225663][ T418] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.225860][ T418] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.226121][ T418] ? cap_capable (security/commoncap.c:131) 
[ 43.226313][ T418] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.226513][ T418] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.226711][ T418] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.226902][ T418] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.227151][ T418] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.227384][ T418] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.227632][ T418] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.227825][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.228020][ T418] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.228227][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.228434][ T418] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.228581][ T418] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.228776][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.228973][ T418] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.229131][ T418] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.229330][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.229530][ T418] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.229729][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.229926][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.230130][ T418] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.230325][ T418] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.230527][ T418] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.230723][ T418] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.230926][ T418] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.231137][ T418] ? 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) 
[ 43.231332][ T418] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.231527][ T418] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.231722][ T418] ? 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) 
[ 43.231917][ T418] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.232124][ T418] __x64_sys_sendto (net/socket.c:2181) 
[ 43.232317][ T418] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.232558][ T418] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.232750][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.232988][  T418] RIP: 0033:0x7ff0ca5bea4a
[ 43.233202][ T418] Code: Unable to access opcode bytes at 0x7ff0ca5bea20.

Code starting with the faulting instruction
===========================================
[   43.233445][  T418] RSP: 002b:00007ffe63c518f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.233734][  T418] RAX: ffffffffffffffda RBX: 000000000c405b00 RCX: 00007ff0ca5bea4a
[   43.234028][  T418] RDX: 0000000000000034 RSI: 000000000c405b00 RDI: 0000000000000005
[   43.234327][  T418] RBP: 000000000c405910 R08: 00007ff0ca762200 R09: 000000000000000c
[   43.234612][  T418] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.234892][  T418] R13: 000000000c405910 R14: 0000000000000000 R15: 0000000000000001
| [   43.648623][  T431] ------------[ cut here ]------------
| [ 43.648874][ T431] WARNING: CPU: 0 PID: 431 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) 
| [   43.649366][  T431] Modules linked in: netdevsim
| [   43.649958][  T431] Tainted: [W]=WARN
[   43.650130][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.650403][ T431] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.650673][ T431] 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
[   43.651475][  T431] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.651737][  T431] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.652047][  T431] RDX: 0000000000000000 RSI: ffff888009a4ac98 RDI: ffff88800b940b00
[   43.652371][  T431] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.652686][  T431] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   43.653005][  T431] R13: ffff888009a4a128 R14: ffff888009a4a008 R15: ffff888009a4a000
[   43.653328][  T431] FS:  00007f761143b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.653701][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.653978][  T431] CR2: 00007f919cc085a0 CR3: 000000000a7ba004 CR4: 0000000000772ef0
[   43.654306][  T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.654618][  T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.654930][  T431] PKRU: 55555554
[   43.655097][  T431] Call Trace:
[   43.655268][  T431]  <TASK>
[ 43.655380][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.655584][ T431] ? __warn (kernel/panic.c:748) 
[ 43.655743][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.655956][ T431] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.656185][ T431] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.656344][ T431] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.656560][ T431] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.656784][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.657003][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.657227][ T431] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.657490][ T431] ? _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) 
[ 43.657706][ T431] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.657930][ T431] register_netdevice (net/core/dev.c:11003) 
[ 43.658156][ T431] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.658379][ T431] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.658602][ T431] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.658879][ T431] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.659176][ T431] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.659460][ T431] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.659733][ T431] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.659994][ T431] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.660264][ T431] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.660531][ T431] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.660741][ T431] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.661017][ T431] devlink_reload (net/devlink/dev.c:474) 
[ 43.661242][ T431] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.661460][ T431] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.661737][ T431] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.661959][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.662234][ T431] ? __nla_parse (lib/nlattr.c:732) 
[ 43.662458][ T431] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.662674][ T431] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.662947][ T431] ? cap_capable (security/commoncap.c:131) 
[ 43.663167][ T431] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.663391][ T431] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.663610][ T431] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.663827][ T431] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.664113][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.664373][ T431] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.664638][ T431] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.664845][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.665051][ T431] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.665284][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.665514][ T431] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.665677][ T431] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.665891][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.666125][ T431] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.666289][ T431] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.666504][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.666720][ T431] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.666935][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.667162][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.667371][ T431] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.667585][ T431] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.667804][ T431] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.668016][ T431] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.668249][ T431] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.668464][ T431] ? 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) 
[ 43.668677][ T431] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.668884][ T431] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.669099][ T431] ? 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) 
[ 43.669327][ T431] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.669544][ T431] __x64_sys_sendto (net/socket.c:2181) 
[ 43.669759][ T431] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.670029][ T431] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.670251][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.670507][  T431] RIP: 0033:0x7f7611647a4a
[ 43.670725][ T431] Code: Unable to access opcode bytes at 0x7f7611647a20.

Code starting with the faulting instruction
===========================================
[   43.670988][  T431] RSP: 002b:00007ffee2fdb568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.671313][  T431] RAX: ffffffffffffffda RBX: 0000000007204b00 RCX: 00007f7611647a4a
[   43.671622][  T431] RDX: 0000000000000034 RSI: 0000000007204b00 RDI: 0000000000000005
[   43.671929][  T431] RBP: 0000000007204910 R08: 00007f76117eb200 R09: 000000000000000c
[   43.672243][  T431] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.672556][  T431] R13: 0000000007204910 R14: 0000000000000000 R15: 0000000000000001
| [   43.685897][  T431] ------------[ cut here ]------------
| [ 43.686209][ T431] WARNING: CPU: 1 PID: 431 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) 
| [   43.686601][  T431] Modules linked in: netdevsim
| [   43.687166][  T431] Tainted: [W]=WARN
[   43.687316][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.687566][ T431] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.687817][ T431] 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
[   43.688543][  T431] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.688792][  T431] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.689078][  T431] RDX: 0000000000000000 RSI: ffff88800ab2ac98 RDI: ffff88800b940b00
[   43.689382][  T431] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.689667][  T431] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   43.689953][  T431] R13: ffff88800ab2a128 R14: ffff88800ab2a008 R15: ffff88800ab2a000
[   43.690281][  T431] FS:  00007f761143b800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   43.690620][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.690862][  T431] CR2: 000055d3a11667b0 CR3: 000000000a7ba006 CR4: 0000000000772ef0
[   43.691159][  T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.691444][  T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.691728][  T431] PKRU: 55555554
[   43.691876][  T431] Call Trace:
[   43.692021][  T431]  <TASK>
[ 43.692129][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.692321][ T431] ? __warn (kernel/panic.c:748) 
[ 43.692469][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.692663][ T431] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.692861][ T431] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.693007][ T431] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.693210][ T431] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.693424][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.693616][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.693813][ T431] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.694064][ T431] ? _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) 
[ 43.694274][ T431] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.694468][ T431] register_netdevice (net/core/dev.c:11003) 
[ 43.694669][ T431] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.694870][ T431] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.695079][ T431] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.695339][ T431] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.695597][ T431] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.695847][ T431] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.696098][ T431] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.696352][ T431] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.696590][ T431] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.696832][ T431] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.697023][ T431] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.697285][ T431] devlink_reload (net/devlink/dev.c:474) 
[ 43.697487][ T431] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.697681][ T431] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.697927][ T431] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.698131][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.698371][ T431] ? __nla_parse (lib/nlattr.c:732) 
[ 43.698573][ T431] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.698773][ T431] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.699026][ T431] ? cap_capable (security/commoncap.c:131) 
[ 43.699234][ T431] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.699435][ T431] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.699632][ T431] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.699824][ T431] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.700062][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.700310][ T431] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.700563][ T431] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.700758][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.700950][ T431] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.701154][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.701363][ T431] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.701510][ T431] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.701712][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.701913][ T431] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.702060][ T431] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.702269][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.702463][ T431] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.702662][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.702859][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.703049][ T431] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.703260][ T431] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.703465][ T431] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.703661][ T431] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.703871][ T431] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.704063][ T431] ? 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) 
[ 43.704266][ T431] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.704461][ T431] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.704658][ T431] ? 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) 
[ 43.704854][ T431] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.705050][ T431] __x64_sys_sendto (net/socket.c:2181) 
[ 43.705251][ T431] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.705490][ T431] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.705683][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.705917][  T431] RIP: 0033:0x7f7611647a4a
[ 43.706130][ T431] Code: Unable to access opcode bytes at 0x7f7611647a20.

Code starting with the faulting instruction
===========================================
[   43.706375][  T431] RSP: 002b:00007ffee2fdb568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.706663][  T431] RAX: ffffffffffffffda RBX: 0000000007204b00 RCX: 00007f7611647a4a
[   43.706946][  T431] RDX: 0000000000000034 RSI: 0000000007204b00 RDI: 0000000000000005
[   43.707242][  T431] RBP: 0000000007204910 R08: 00007f76117eb200 R09: 000000000000000c
[   43.707535][  T431] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.707817][  T431] R13: 0000000007204910 R14: 0000000000000000 R15: 0000000000000001
| [   43.725012][  T431] ------------[ cut here ]------------
| [ 43.725259][ T431] WARNING: CPU: 0 PID: 431 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) 
| [   43.725693][  T431] Modules linked in: netdevsim
| [   43.726305][  T431] Tainted: [W]=WARN
[   43.726467][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.726731][ T431] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.727000][ T431] 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
[   43.727730][  T431] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.727988][  T431] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.728306][  T431] RDX: 0000000000000000 RSI: ffff888002b4ac98 RDI: ffff88800b940b00
[   43.728614][  T431] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.728924][  T431] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   43.729236][  T431] R13: ffff888002b4a128 R14: ffff888002b4a008 R15: ffff888002b4a000
[   43.729543][  T431] FS:  00007f761143b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.729903][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.730173][  T431] CR2: 00007f7611647a20 CR3: 000000000a7ba004 CR4: 0000000000772ef0
[   43.730477][  T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.730782][  T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.731094][  T431] PKRU: 55555554
[   43.731256][  T431] Call Trace:
[   43.731424][  T431]  <TASK>
[ 43.731534][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.731749][ T431] ? __warn (kernel/panic.c:748) 
[ 43.731913][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.732132][ T431] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.732349][ T431] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.732511][ T431] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.732718][ T431] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.732943][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.733172][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.733390][ T431] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.733648][ T431] ? _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) 
[ 43.733870][ T431] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.734088][ T431] register_netdevice (net/core/dev.c:11003) 
[ 43.734311][ T431] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.734535][ T431] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.734763][ T431] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.735035][ T431] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.735328][ T431] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.735605][ T431] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.735877][ T431] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.736155][ T431] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.736417][ T431] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.736675][ T431] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.736879][ T431] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.737158][ T431] devlink_reload (net/devlink/dev.c:474) 
[ 43.737370][ T431] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.737582][ T431] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.737844][ T431] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.738048][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.738317][ T431] ? __nla_parse (lib/nlattr.c:732) 
[ 43.738534][ T431] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.738741][ T431] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.739009][ T431] ? cap_capable (security/commoncap.c:131) 
[ 43.739227][ T431] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.739443][ T431] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.739646][ T431] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.739851][ T431] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.740113][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.740360][ T431] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.740627][ T431] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.740840][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.741045][ T431] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.741260][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.741479][ T431] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.741636][ T431] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.741843][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.742054][ T431] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.742225][ T431] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.742434][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.742640][ T431] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.742852][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.743061][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.743309][ T431] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.743517][ T431] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.743736][ T431] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.743955][ T431] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.744182][ T431] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.744381][ T431] ? 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) 
[ 43.744588][ T431] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.744793][ T431] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.744998][ T431] ? 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) 
[ 43.745214][ T431] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.745425][ T431] __x64_sys_sendto (net/socket.c:2181) 
[ 43.745629][ T431] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.745878][ T431] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.746085][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.746349][  T431] RIP: 0033:0x7f7611647a4a
[ 43.746559][ T431] Code: Unable to access opcode bytes at 0x7f7611647a20.

Code starting with the faulting instruction
===========================================
[   43.746815][  T431] RSP: 002b:00007ffee2fdb568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.747130][  T431] RAX: ffffffffffffffda RBX: 0000000007204b00 RCX: 00007f7611647a4a
[   43.747428][  T431] RDX: 0000000000000034 RSI: 0000000007204b00 RDI: 0000000000000005
[   43.747730][  T431] RBP: 0000000007204910 R08: 00007f76117eb200 R09: 000000000000000c
[   43.748028][  T431] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.748341][  T431] R13: 0000000007204910 R14: 0000000000000000 R15: 0000000000000001
| [   43.758886][  T431] ------------[ cut here ]------------
| [ 43.759122][ T431] WARNING: CPU: 0 PID: 431 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) 
| [   43.759521][  T431] Modules linked in: netdevsim
| [   43.760079][  T431] Tainted: [W]=WARN
[   43.761009][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.761368][ T431] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.761630][ T431] 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
[   43.762428][  T431] RSP: 0018:ffffc90000be71e8 EFLAGS: 00010246
[   43.762682][  T431] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.762987][  T431] RDX: 0000000000000000 RSI: ffff88800dd92c98 RDI: ffff88800b940b00
[   43.763379][  T431] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   43.763679][  T431] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   43.763989][  T431] R13: ffff88800dd92128 R14: ffff88800dd92008 R15: ffff88800dd92000
[   43.764379][  T431] FS:  00007f761143b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.764729][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.764983][  T431] CR2: 00007f7611647a20 CR3: 000000000a7ba004 CR4: 0000000000772ef0
[   43.765372][  T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.765675][  T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.765973][  T431] PKRU: 55555554
[   43.766216][  T431] Call Trace:
[   43.766368][  T431]  <TASK>
[ 43.766472][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.766673][ T431] ? __warn (kernel/panic.c:748) 
[ 43.766829][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.767036][ T431] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.767338][ T431] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.767493][ T431] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.767695][ T431] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.767910][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.768201][ T431] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.768407][ T431] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.768668][ T431] ? _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) 
[ 43.768880][ T431] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.769084][ T431] register_netdevice (net/core/dev.c:11003) 
[ 43.769380][ T431] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.769591][ T431] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.769809][ T431] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.770072][ T431] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.770440][ T431] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.770705][ T431] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.770967][ T431] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.771314][ T431] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.771564][ T431] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.771824][ T431] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.772028][ T431] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.772380][ T431] devlink_reload (net/devlink/dev.c:474) 
[ 43.772589][ T431] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.772796][ T431] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.773056][ T431] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.773344][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.773605][ T431] ? __nla_parse (lib/nlattr.c:732) 
[ 43.773818][ T431] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.774032][ T431] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.774396][ T431] ? cap_capable (security/commoncap.c:131) 
[ 43.774599][ T431] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.774805][ T431] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.775010][ T431] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.775309][ T431] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.775560][ T431] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.775809][ T431] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.776073][ T431] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.776363][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.776566][ T431] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.776771][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.776992][ T431] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.777232][ T431] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.777436][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.777646][ T431] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.777799][ T431] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.778008][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.778297][ T431] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.778512][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.778719][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.778923][ T431] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.779214][ T431] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.779426][ T431] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.779631][ T431] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.779843][ T431] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.780048][ T431] ? 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) 
[ 43.780338][ T431] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.780545][ T431] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.780752][ T431] ? 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) 
[ 43.780961][ T431] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.781251][ T431] __x64_sys_sendto (net/socket.c:2181) 
[ 43.781454][ T431] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.781708][ T431] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.781917][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.782253][  T431] RIP: 0033:0x7f7611647a4a
[ 43.782466][ T431] Code: Unable to access opcode bytes at 0x7f7611647a20.

Code starting with the faulting instruction
===========================================
[   43.782720][  T431] RSP: 002b:00007ffee2fdb568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.783027][  T431] RAX: ffffffffffffffda RBX: 0000000007204b00 RCX: 00007f7611647a4a
[   43.783422][  T431] RDX: 0000000000000034 RSI: 0000000007204b00 RDI: 0000000000000005
[   43.783717][  T431] RBP: 0000000007204910 R08: 00007f76117eb200 R09: 000000000000000c
[   43.784029][  T431] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.784415][  T431] R13: 0000000007204910 R14: 0000000000000000 R15: 0000000000000001
| [   44.367328][  T455] ------------[ cut here ]------------
| [ 44.367571][ T455] WARNING: CPU: 3 PID: 455 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) 
| [   44.367964][  T455] Modules linked in: netdevsim
| [   44.368972][  T455] Tainted: [W]=WARN
[   44.369130][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.369379][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.369641][ T455] 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
[   44.370344][  T455] RSP: 0018:ffffc90000cc71e8 EFLAGS: 00010246
[   44.370595][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.370890][  T455] RDX: 0000000000000000 RSI: ffff888005212c98 RDI: ffff88800a790b00
[   44.371194][  T455] RBP: ffff88800aa78040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.371485][  T455] R10: ffffffff8fdec1e7 R11: ffff88800a790040 R12: 0000000000000000
[   44.371780][  T455] R13: ffff888005212128 R14: ffff888005212008 R15: ffff888005212000
[   44.372065][  T455] FS:  00007fe56af9b800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.372414][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.372667][  T455] CR2: 00007f919d027400 CR3: 000000000de64005 CR4: 0000000000772ef0
[   44.372958][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.373257][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.373548][  T455] PKRU: 55555554
[   44.373695][  T455] Call Trace:
[   44.373848][  T455]  <TASK>
[ 44.373951][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.374157][ T455] ? __warn (kernel/panic.c:748) 
[ 44.374315][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.374518][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.374726][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.374879][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.375077][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.375304][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.375502][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.375702][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.375959][ T455] ? _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) 
[ 44.376171][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.376378][ T455] register_netdevice (net/core/dev.c:11003) 
[ 44.376581][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.376790][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.377004][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.377265][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.377527][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.377794][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.378047][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.378311][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.378555][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.378816][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 44.379019][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.379218][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.379422][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.379615][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.379777][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.379983][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.380247][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 44.380458][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.380656][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.380911][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.381112][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.381322][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.381522][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.381722][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.381974][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.382224][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.382480][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.382680][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.382875][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.383073][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.383290][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.383447][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.383646][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.383860][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.384009][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.384219][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.384421][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.384628][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.384832][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.385025][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.385229][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.385437][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.385644][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.385840][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.386044][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.386265][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.386467][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.386707][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.386954][ T455] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.387165][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 44.387359][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.387599][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.387797][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.388034][  T455] RIP: 0033:0x7fe56b1a7a4a
[ 44.388244][ T455] Code: Unable to access opcode bytes at 0x7fe56b1a7a20.

Code starting with the faulting instruction
===========================================
[   44.388491][  T455] RSP: 002b:00007fff3e077da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.388782][  T455] RAX: ffffffffffffffda RBX: 0000000038911b00 RCX: 00007fe56b1a7a4a
[   44.389072][  T455] RDX: 000000000000003c RSI: 0000000038911b00 RDI: 0000000000000005
[   44.389377][  T455] RBP: 0000000038911910 R08: 00007fe56b34b200 R09: 000000000000000c
[   44.389669][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.389961][  T455] R13: 0000000038911910 R14: 0000000000000000 R15: 0000000000000001
| [   44.409899][  T455] ------------[ cut here ]------------
| [ 44.410131][ T455] WARNING: CPU: 3 PID: 455 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) 
| [   44.410518][  T455] Modules linked in: netdevsim
| [   44.411059][  T455] Tainted: [W]=WARN
[   44.411221][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.411468][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.411714][ T455] 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
[   44.412398][  T455] RSP: 0018:ffffc90000cc71e8 EFLAGS: 00010246
[   44.412649][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.412935][  T455] RDX: 0000000000000000 RSI: ffff888008faac98 RDI: ffff88800a790b00
[   44.413234][  T455] RBP: ffff88800aa78040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.413518][  T455] R10: ffffffff8fdec1e7 R11: ffff88800a790040 R12: 0000000000000000
[   44.413804][  T455] R13: ffff888008faa128 R14: ffff888008faa008 R15: ffff888008faa000
[   44.414108][  T455] FS:  00007fe56af9b800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.414444][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.414687][  T455] CR2: 00007fe56b1a7a20 CR3: 000000000de64005 CR4: 0000000000772ef0
[   44.414978][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.415290][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.415575][  T455] PKRU: 55555554
[   44.415720][  T455] Call Trace:
[   44.415867][  T455]  <TASK>
[ 44.415970][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.416179][ T455] ? __warn (kernel/panic.c:748) 
[ 44.416330][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.416529][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.416735][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.416883][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.417075][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.417296][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.417494][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.417691][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.417942][ T455] ? _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) 
[ 44.418156][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.418357][ T455] register_netdevice (net/core/dev.c:11003) 
[ 44.418557][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.418762][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.418974][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.419240][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.419498][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.419753][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.420003][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.420256][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.420502][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.420753][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 44.420956][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.421157][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.421354][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.421547][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.421703][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.421905][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.422163][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 44.422367][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.422563][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.422816][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.423009][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.423220][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.423426][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.423619][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.423861][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.424121][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.424374][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.424568][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.424764][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.424964][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.425181][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.425330][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.425527][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.425728][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.425875][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.426070][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.426281][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.426484][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.426682][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.426872][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.427070][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.427280][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.427475][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.427668][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.427864][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.428064][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.428268][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.428511][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.428757][ T455] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.428958][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 44.429165][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.429406][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.429601][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.429842][  T455] RIP: 0033:0x7fe56b1a7a4a
[ 44.430045][ T455] Code: Unable to access opcode bytes at 0x7fe56b1a7a20.

Code starting with the faulting instruction
===========================================
[   44.430298][  T455] RSP: 002b:00007fff3e077da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.430591][  T455] RAX: ffffffffffffffda RBX: 0000000038911b00 RCX: 00007fe56b1a7a4a
[   44.430871][  T455] RDX: 000000000000003c RSI: 0000000038911b00 RDI: 0000000000000005
[   44.431168][  T455] RBP: 0000000038911910 R08: 00007fe56b34b200 R09: 000000000000000c
[   44.431457][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.431743][  T455] R13: 0000000038911910 R14: 0000000000000000 R15: 0000000000000001
| [   44.444771][  T455] ------------[ cut here ]------------
| [ 44.444980][ T455] WARNING: CPU: 3 PID: 455 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) 
| [   44.445380][  T455] Modules linked in: netdevsim
| [   44.445922][  T455] Tainted: [W]=WARN
[   44.446073][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.446320][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.446563][ T455] 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
[   44.447242][  T455] RSP: 0018:ffffc90000cc71e8 EFLAGS: 00010246
[   44.447484][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.447766][  T455] RDX: 0000000000000000 RSI: ffff88800e092c98 RDI: ffff88800a790b00
[   44.448048][  T455] RBP: ffff88800aa78040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.448342][  T455] R10: ffffffff8fdec1e7 R11: ffff88800a790040 R12: 0000000000000000
[   44.448631][  T455] R13: ffff88800e092128 R14: ffff88800e092008 R15: ffff88800e092000
[   44.448913][  T455] FS:  00007fe56af9b800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.449257][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.449499][  T455] CR2: 00007fe56b1a7a20 CR3: 000000000de64005 CR4: 0000000000772ef0
[   44.449797][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.450081][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.450376][  T455] PKRU: 55555554
[   44.450521][  T455] Call Trace:
[   44.450664][  T455]  <TASK>
[ 44.450764][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.450962][ T455] ? __warn (kernel/panic.c:748) 
[ 44.451126][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.451324][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.451523][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.451672][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.451866][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.452074][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.452290][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.452490][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.452736][ T455] ? _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) 
[ 44.452938][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.453143][ T455] register_netdevice (net/core/dev.c:11003) 
[ 44.453347][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.453548][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.453756][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.454033][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.454300][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.454559][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.454812][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.455053][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.455302][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.455557][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 44.455757][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.455951][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.456160][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.456354][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.456510][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.456708][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.456955][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 44.457175][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.457376][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.457626][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.457818][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.458020][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.458221][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.458418][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.458661][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.458895][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.459153][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.459346][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.459535][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.459726][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.459933][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.460083][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.460295][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.460497][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.460644][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.460842][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.461038][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.461250][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.461449][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.461644][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.461839][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.462039][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.462246][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.462434][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.462624][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.462825][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.463027][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.463315][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.463560][ T455] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.463760][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 44.463965][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.464218][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.464414][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.464655][  T455] RIP: 0033:0x7fe56b1a7a4a
[ 44.464858][ T455] Code: Unable to access opcode bytes at 0x7fe56b1a7a20.

Code starting with the faulting instruction
===========================================
[   44.465119][  T455] RSP: 002b:00007fff3e077da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.465407][  T455] RAX: ffffffffffffffda RBX: 0000000038911b00 RCX: 00007fe56b1a7a4a
[   44.465700][  T455] RDX: 000000000000003c RSI: 0000000038911b00 RDI: 0000000000000005
[   44.465989][  T455] RBP: 0000000038911910 R08: 00007fe56b34b200 R09: 000000000000000c
[   44.466285][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.466574][  T455] R13: 0000000038911910 R14: 0000000000000000 R15: 0000000000000001
| [   44.479215][  T455] ------------[ cut here ]------------
| [ 44.479502][ T455] WARNING: CPU: 3 PID: 455 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) 
| [   44.479880][  T455] Modules linked in: netdevsim
| [   44.480432][  T455] Tainted: [W]=WARN
[   44.480579][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.480818][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.481061][ T455] 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
[   44.481838][  T455] RSP: 0018:ffffc90000cc71e8 EFLAGS: 00010246
[   44.482082][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.482377][  T455] RDX: 0000000000000000 RSI: ffff8880052c2c98 RDI: ffff88800a790b00
[   44.482658][  T455] RBP: ffff88800aa78040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.482949][  T455] R10: ffffffff8fdec1e7 R11: ffff88800a790040 R12: 0000000000000000
[   44.483245][  T455] R13: ffff8880052c2128 R14: ffff8880052c2008 R15: ffff8880052c2000
[   44.483528][  T455] FS:  00007fe56af9b800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.483864][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.484120][  T455] CR2: 00007fe56b1a7a20 CR3: 000000000de64005 CR4: 0000000000772ef0
[   44.484409][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.484691][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.484972][  T455] PKRU: 55555554
[   44.485135][  T455] Call Trace:
[   44.485289][  T455]  <TASK>
[ 44.485392][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.485583][ T455] ? __warn (kernel/panic.c:748) 
[ 44.485732][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.485925][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.486135][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.486285][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.486477][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.486681][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.486877][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.487073][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.487344][ T455] ? _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) 
[ 44.487542][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.487736][ T455] register_netdevice (net/core/dev.c:11003) 
[ 44.487934][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.488150][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.488355][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.488603][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.488858][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.489120][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.489369][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.489615][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.489849][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.490096][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 44.490305][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.490492][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.490688][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.490881][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.491035][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.491240][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.491480][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 44.491680][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.491873][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.492134][ T455] ? cap_capable (security/commoncap.c:131) 
[ 44.492330][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.492529][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.492722][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.492913][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.493156][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.493392][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.493645][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.493845][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.494035][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.494239][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.494448][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.494594][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.494788][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.494986][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.495148][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.495345][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.495537][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.495735][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.495931][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.496129][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.496324][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.496525][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.496724][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.496914][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.497120][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.497326][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.497524][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.497766][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.498016][ T455] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.498224][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 44.498419][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.498654][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.498849][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.499084][  T455] RIP: 0033:0x7fe56b1a7a4a
[ 44.499293][ T455] Code: Unable to access opcode bytes at 0x7fe56b1a7a20.

Code starting with the faulting instruction
===========================================
[   44.499543][  T455] RSP: 002b:00007fff3e077da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.499829][  T455] RAX: ffffffffffffffda RBX: 0000000038911b00 RCX: 00007fe56b1a7a4a
[   44.500123][  T455] RDX: 000000000000003c RSI: 0000000038911b00 RDI: 0000000000000005
[   44.500405][  T455] RBP: 0000000038911910 R08: 00007fe56b34b200 R09: 000000000000000c
[   44.500693][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.500975][  T455] R13: 0000000038911910 R14: 0000000000000000 R15: 0000000000000001
| [   44.725653][  T462] ------------[ cut here ]------------
| [ 44.725971][ T462] WARNING: CPU: 0 PID: 462 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) 
| [   44.726395][  T462] Modules linked in: netdevsim
| [   44.726959][  T462] Tainted: [W]=WARN
[   44.727128][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.727380][ T462] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.727638][ T462] 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
[   44.728381][  T462] RSP: 0018:ffffc90000c571e8 EFLAGS: 00010246
[   44.728641][  T462] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.728939][  T462] RDX: 0000000000000000 RSI: ffff888009a9ac98 RDI: ffff88800b940b00
[   44.729719][  T462] RBP: ffff88800aa79840 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.730026][  T462] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   44.730340][  T462] R13: ffff888009a9a128 R14: ffff888009a9a008 R15: ffff888009a9a000
[   44.730642][  T462] FS:  00007f60fa99c800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.730988][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.731253][  T462] CR2: 00007f60fad4c200 CR3: 0000000005050001 CR4: 0000000000772ef0
[   44.731559][  T462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.731859][  T462] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.732191][  T462] PKRU: 55555554
[   44.732346][  T462] Call Trace:
[   44.732500][  T462]  <TASK>
[ 44.732604][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.732806][ T462] ? __warn (kernel/panic.c:748) 
[ 44.732962][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.733179][ T462] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.733393][ T462] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.733554][ T462] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.733756][ T462] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.733981][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.734196][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.734404][ T462] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.734662][ T462] ? _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) 
[ 44.734872][ T462] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.735083][ T462] register_netdevice (net/core/dev.c:11003) 
[ 44.735301][ T462] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.735515][ T462] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.735737][ T462] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.735997][ T462] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.736292][ T462] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.736563][ T462] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.736822][ T462] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.737081][ T462] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.737343][ T462] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.737607][ T462] devlink_reload (net/devlink/dev.c:474) 
[ 44.737814][ T462] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.738019][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.738240][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.738443][ T462] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.738608][ T462] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.738814][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.739066][ T462] ? __nla_parse (lib/nlattr.c:732) 
[ 44.739290][ T462] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.739502][ T462] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.739767][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.739967][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.740202][ T462] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.740411][ T462] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.740624][ T462] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.740877][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.741136][ T462] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.741402][ T462] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.741607][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.741809][ T462] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.742013][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.742240][ T462] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.742400][ T462] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.742604][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.742814][ T462] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.742970][ T462] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.743187][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.743392][ T462] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.743600][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.743809][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.744021][ T462] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.744249][ T462] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.744467][ T462] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.744676][ T462] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.744876][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.745078][ T462] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.745303][ T462] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.745519][ T462] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.745772][ T462] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.746028][ T462] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.746249][ T462] __x64_sys_sendto (net/socket.c:2181) 
[ 44.746453][ T462] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.746710][ T462] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.746916][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.747177][  T462] RIP: 0033:0x7f60faba8a4a
[ 44.747387][ T462] 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
[   44.748082][  T462] RSP: 002b:00007ffec096aa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.748416][  T462] RAX: ffffffffffffffda RBX: 000000000db1db00 RCX: 00007f60faba8a4a
[   44.748712][  T462] RDX: 000000000000003c RSI: 000000000db1db00 RDI: 0000000000000005
[   44.749012][  T462] RBP: 000000000db1d910 R08: 00007f60fad4c200 R09: 000000000000000c
[   44.749319][  T462] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.749624][  T462] R13: 000000000db1d910 R14: 0000000000000000 R15: 0000000000000003
| [   44.759960][  T462] ------------[ cut here ]------------
| [ 44.760195][ T462] WARNING: CPU: 0 PID: 462 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) 
| [   44.760602][  T462] Modules linked in: netdevsim
| [   44.761179][  T462] Tainted: [W]=WARN
[   44.761334][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.761586][ T462] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.761846][ T462] 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
[   44.762572][  T462] RSP: 0018:ffffc90000c571e8 EFLAGS: 00010246
[   44.762828][  T462] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.763904][  T462] RDX: 0000000000000000 RSI: ffff88800dc0ac98 RDI: ffff88800b940b00
[   44.764301][  T462] RBP: ffff88800aa79840 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.764600][  T462] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   44.764895][  T462] R13: ffff88800dc0a128 R14: ffff88800dc0a008 R15: ffff88800dc0a000
[   44.765282][  T462] FS:  00007f60fa99c800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.765634][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.765885][  T462] CR2: 00007f60fad4c200 CR3: 0000000005050001 CR4: 0000000000772ef0
[   44.766291][  T462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.766589][  T462] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.766888][  T462] PKRU: 55555554
[   44.767038][  T462] Call Trace:
[   44.767277][  T462]  <TASK>
[ 44.767383][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.767583][ T462] ? __warn (kernel/panic.c:748) 
[ 44.767736][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.767939][ T462] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.768237][ T462] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.768396][ T462] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.768599][ T462] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.768814][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.769019][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.769315][ T462] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.769571][ T462] ? _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) 
[ 44.769781][ T462] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.769991][ T462] register_netdevice (net/core/dev.c:11003) 
[ 44.770298][ T462] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.770515][ T462] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.770736][ T462] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.770997][ T462] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.771355][ T462] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.771626][ T462] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.771887][ T462] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.772232][ T462] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.772480][ T462] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.772745][ T462] devlink_reload (net/devlink/dev.c:474) 
[ 44.772952][ T462] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.773239][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.773447][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.773646][ T462] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.773807][ T462] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.774021][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.774378][ T462] ? __nla_parse (lib/nlattr.c:732) 
[ 44.774590][ T462] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.774797][ T462] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.775058][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.775346][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.775556][ T462] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.775760][ T462] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.775965][ T462] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.776306][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.776632][ T462] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.776894][ T462] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.777097][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.777382][ T462] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.777585][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.777801][ T462] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.777958][ T462] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.778263][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.778473][ T462] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.778624][ T462] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.778830][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.779033][ T462] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.779331][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.779539][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.779743][ T462] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.779947][ T462] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.780253][ T462] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.780458][ T462] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.780659][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.780859][ T462] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.781073][ T462] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.781381][ T462] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.781634][ T462] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.781893][ T462] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.782203][ T462] __x64_sys_sendto (net/socket.c:2181) 
[ 44.782406][ T462] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.782657][ T462] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.782860][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.783203][  T462] RIP: 0033:0x7f60faba8a4a
[ 44.783410][ T462] 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
[   44.784202][  T462] RSP: 002b:00007ffec096aa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.784510][  T462] RAX: ffffffffffffffda RBX: 000000000db1db00 RCX: 00007f60faba8a4a
[   44.784808][  T462] RDX: 000000000000003c RSI: 000000000db1db00 RDI: 0000000000000005
[   44.785196][  T462] RBP: 000000000db1d910 R08: 00007f60fad4c200 R09: 000000000000000c
[   44.785496][  T462] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.785798][  T462] R13: 000000000db1d910 R14: 0000000000000000 R15: 0000000000000003
| [   44.796863][  T462] ------------[ cut here ]------------
| [ 44.797081][ T462] WARNING: CPU: 1 PID: 462 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) 
| [   44.797482][  T462] Modules linked in: netdevsim
| [   44.798020][  T462] Tainted: [W]=WARN
[   44.798177][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.798416][ T462] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.798664][ T462] 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
[   44.799342][  T462] RSP: 0018:ffffc90000c571e8 EFLAGS: 00010246
[   44.799587][  T462] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.799874][  T462] RDX: 0000000000000000 RSI: ffff88800d58ac98 RDI: ffff88800b940b00
[   44.800167][  T462] RBP: ffff88800aa79840 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.800449][  T462] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   44.800731][  T462] R13: ffff88800d58a128 R14: ffff88800d58a008 R15: ffff88800d58a000
[   44.801016][  T462] FS:  00007f60fa99c800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.801356][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.801597][  T462] CR2: 000055e8be506dec CR3: 0000000005050003 CR4: 0000000000772ef0
[   44.801880][  T462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.802171][  T462] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.802458][  T462] PKRU: 55555554
[   44.802603][  T462] Call Trace:
[   44.802747][  T462]  <TASK>
[ 44.802847][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.803039][ T462] ? __warn (kernel/panic.c:748) 
[ 44.803199][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.803394][ T462] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.803594][ T462] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.803744][ T462] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.803941][ T462] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.804155][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.804350][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.804547][ T462] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.804789][ T462] ? _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) 
[ 44.804986][ T462] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.805197][ T462] register_netdevice (net/core/dev.c:11003) 
[ 44.805394][ T462] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.805595][ T462] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.805804][ T462] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.806050][ T462] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.806314][ T462] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.806571][ T462] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.806817][ T462] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.807059][ T462] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.807309][ T462] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.807558][ T462] devlink_reload (net/devlink/dev.c:474) 
[ 44.807753][ T462] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.807948][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.808152][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.808340][ T462] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.808496][ T462] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.808690][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.808929][ T462] ? __nla_parse (lib/nlattr.c:732) 
[ 44.809137][ T462] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.809339][ T462] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.809588][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.809777][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.809974][ T462] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.810178][ T462] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.810369][ T462] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.810607][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.810842][ T462] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.811088][ T462] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.811291][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.811481][ T462] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.811675][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.811879][ T462] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.812030][ T462] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.812235][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.812436][ T462] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.812580][ T462] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.812775][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.812968][ T462] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.813178][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.813375][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.813568][ T462] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.813761][ T462] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.813978][ T462] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.814181][ T462] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.814374][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.814565][ T462] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.814766][ T462] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.814966][ T462] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.815219][ T462] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.815460][ T462] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.815659][ T462] __x64_sys_sendto (net/socket.c:2181) 
[ 44.815853][ T462] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.816089][ T462] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.816291][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.816534][  T462] RIP: 0033:0x7f60faba8a4a
[ 44.816730][ T462] 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
[   44.817405][  T462] RSP: 002b:00007ffec096aa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.817697][  T462] RAX: ffffffffffffffda RBX: 000000000db1db00 RCX: 00007f60faba8a4a
[   44.817983][  T462] RDX: 000000000000003c RSI: 000000000db1db00 RDI: 0000000000000005
[   44.818273][  T462] RBP: 000000000db1d910 R08: 00007f60fad4c200 R09: 000000000000000c
[   44.818556][  T462] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.818845][  T462] R13: 000000000db1d910 R14: 0000000000000000 R15: 0000000000000003
| [   44.831294][  T462] ------------[ cut here ]------------
| [ 44.831503][ T462] WARNING: CPU: 1 PID: 462 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) 
| [   44.831886][  T462] Modules linked in: netdevsim
| [   44.832465][  T462] Tainted: [W]=WARN
[   44.832611][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.832847][ T462] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.833096][ T462] 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
[   44.833765][  T462] RSP: 0018:ffffc90000c571e8 EFLAGS: 00010246
[   44.834023][  T462] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.834320][  T462] RDX: 0000000000000000 RSI: ffff888008e5ac98 RDI: ffff88800b940b00
[   44.834607][  T462] RBP: ffff88800aa79840 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   44.834886][  T462] R10: ffffffff8fdec1e7 R11: ffff88800b940040 R12: 0000000000000000
[   44.835179][  T462] R13: ffff888008e5a128 R14: ffff888008e5a008 R15: ffff888008e5a000
[   44.835463][  T462] FS:  00007f60fa99c800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.835795][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.836038][  T462] CR2: 000055e8be506dec CR3: 0000000005050003 CR4: 0000000000772ef0
[   44.836331][  T462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.836616][  T462] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.836903][  T462] PKRU: 55555554
[   44.837047][  T462] Call Trace:
[   44.837204][  T462]  <TASK>
[ 44.837304][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.837495][ T462] ? __warn (kernel/panic.c:748) 
[ 44.837643][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.837835][ T462] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.838034][ T462] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.838194][ T462] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.838391][ T462] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.838595][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.838790][ T462] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.838987][ T462] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.839276][ T462] ? _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) 
[ 44.839476][ T462] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.839678][ T462] register_netdevice (net/core/dev.c:11003) 
[ 44.839872][ T462] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.840073][ T462] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.840292][ T462] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.840541][ T462] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.840793][ T462] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.841049][ T462] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.841321][ T462] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.841566][ T462] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.841801][ T462] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.842050][ T462] devlink_reload (net/devlink/dev.c:474) 
[ 44.842258][ T462] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.842453][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.842647][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.842836][ T462] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.842989][ T462] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.843196][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.843435][ T462] ? __nla_parse (lib/nlattr.c:732) 
[ 44.843636][ T462] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.843840][ T462] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.844093][ T462] ? cap_capable (security/commoncap.c:131) 
[ 44.844290][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.844487][ T462] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.844679][ T462] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.844870][ T462] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.845134][ T462] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.845371][ T462] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.845617][ T462] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.845810][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.846001][ T462] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.846208][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.846413][ T462] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.846565][ T462] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.846758][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.846954][ T462] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.847099][ T462] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.847315][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.847507][ T462] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.847705][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.847902][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.848097][ T462] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.848301][ T462] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.848501][ T462] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.848695][ T462] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.848885][ T462] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.849075][ T462] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.849300][ T462] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.849512][ T462] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.849751][ T462] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.849994][ T462] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.850202][ T462] __x64_sys_sendto (net/socket.c:2181) 
[ 44.850394][ T462] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.850632][ T462] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.850827][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.851062][  T462] RIP: 0033:0x7f60faba8a4a
[ 44.851271][ T462] 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
[   44.851929][  T462] RSP: 002b:00007ffec096aa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.852230][  T462] RAX: ffffffffffffffda RBX: 000000000db1db00 RCX: 00007f60faba8a4a
[   44.852510][  T462] RDX: 000000000000003c RSI: 000000000db1db00 RDI: 0000000000000005
[   44.852792][  T462] RBP: 000000000db1d910 R08: 00007f60fad4c200 R09: 000000000000000c
[   44.853071][  T462] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.853377][  T462] R13: 000000000db1d910 R14: 0000000000000000 R15: 0000000000000003
| [   45.055647][   T11] ------------[ cut here ]------------
| [ 45.055955][ 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) 
| [   45.056360][   T11] Modules linked in: netdevsim
| [   45.057046][   T11] Tainted: [W]=WARN
[   45.057210][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.057454][   T11] Workqueue: netns cleanup_net
[ 45.057673][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.057912][ 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
[   45.058670][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   45.058920][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.059280][   T11] RDX: 0000000000000000 RSI: ffff88800215ac98 RDI: ffff888001a82e10
[   45.059564][   T11] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   45.059840][   T11] R10: ffffffff8fdec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   45.060195][   T11] R13: ffff88800215a128 R14: ffff88800215a008 R15: ffff88800215a000
[   45.060476][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.060797][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.061032][   T11] CR2: 00007f60fad4c200 CR3: 000000000a898002 CR4: 0000000000772ef0
[   45.061374][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.061651][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.061935][   T11] PKRU: 55555554
[   45.062075][   T11] Call Trace:
[   45.062228][   T11]  <TASK>
[ 45.062326][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.062519][ T11] ? __warn (kernel/panic.c:748) 
[ 45.062670][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.062863][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.063061][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.063216][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.063409][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.063613][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.063813][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.064066][ 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) 
[ 45.064273][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.064460][ T11] register_netdevice (net/core/dev.c:11003) 
[ 45.064655][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.064853][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.065062][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.065321][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.065572][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.065818][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.066060][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.066311][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.066553][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.066805][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 45.066998][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.067204][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 45.067411][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 45.067596][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 45.067847][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 45.068034][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 45.068234][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 45.068425][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.068619][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.068807][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 45.069007][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 45.069216][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.069409][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 45.069611][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 45.069808][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 45.070009][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 45.070208][ T11] kthread (kernel/kthread.c:464) 
[ 45.070356][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.070552][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.070744][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 45.070933][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.071135][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   45.091826][   T11] ------------[ cut here ]------------
| [ 45.092172][ T11] WARNING: CPU: 2 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) 
| [   45.092578][   T11] Modules linked in: netdevsim
| [   45.093235][   T11] Tainted: [W]=WARN
[   45.093398][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.093657][   T11] Workqueue: netns cleanup_net
[ 45.093872][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.094145][ 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
[   45.094824][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   45.095086][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.095398][   T11] RDX: 0000000000000000 RSI: ffff888005a52c98 RDI: ffff888001a82e10
[   45.095707][   T11] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   45.096011][   T11] R10: ffffffff8fdec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   45.096327][   T11] R13: ffff888005a52128 R14: ffff888005a52008 R15: ffff888005a52000
[   45.096633][   T11] FS:  0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.096983][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.097256][   T11] CR2: 000055d3a1137b60 CR3: 00000000059c4002 CR4: 0000000000772ef0
[   45.097557][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.097858][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.098170][   T11] PKRU: 55555554
[   45.098329][   T11] Call Trace:
[   45.098491][   T11]  <TASK>
[ 45.098606][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.098815][ T11] ? __warn (kernel/panic.c:748) 
[ 45.098980][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.099218][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.099434][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.099596][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.099805][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.100025][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.100254][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.100519][ 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) 
[ 45.100734][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.100948][ T11] register_netdevice (net/core/dev.c:11003) 
[ 45.101167][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.101387][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.101619][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.101888][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.102178][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.102452][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.102713][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.102971][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.103233][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.103499][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 45.103712][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.103928][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 45.104153][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 45.104361][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 45.104639][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 45.104844][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 45.105062][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 45.105278][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.105494][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.105697][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 45.105906][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 45.106134][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.106338][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 45.106554][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 45.106760][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 45.106974][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 45.107189][ T11] kthread (kernel/kthread.c:464) 
[ 45.107351][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.107554][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.107760][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 45.107960][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.108180][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   45.124705][   T11] ------------[ cut here ]------------
| [ 45.124956][ T11] WARNING: CPU: 1 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) 
| [   45.125322][   T11] Modules linked in: netdevsim
| [   45.125889][   T11] Tainted: [W]=WARN
[   45.126023][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.126255][   T11] Workqueue: netns cleanup_net
[ 45.126446][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.126677][ 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
[   45.127365][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   45.127582][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.127832][   T11] RDX: 0000000000000000 RSI: ffff88800528ac98 RDI: ffff888001a82e10
[   45.128091][   T11] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   45.128424][   T11] R10: ffffffff8fdec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   45.128677][   T11] R13: ffff88800528a128 R14: ffff88800528a008 R15: ffff88800528a000
[   45.128927][   T11] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   45.129306][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.129524][   T11] CR2: 000055e8d0cfb998 CR3: 000000002ff28001 CR4: 0000000000772ef0
[   45.129779][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.130034][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.130368][   T11] PKRU: 55555554
[   45.130506][   T11] Call Trace:
[   45.130637][   T11]  <TASK>
[ 45.130728][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.130901][ T11] ? __warn (kernel/panic.c:748) 
[ 45.131036][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.131286][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.131465][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.131596][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.131768][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.131954][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.132214][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.132433][ 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) 
[ 45.132607][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.132782][ T11] register_netdevice (net/core/dev.c:11003) 
[ 45.132956][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.133256][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.133445][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.133666][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.133902][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.134149][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.134372][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.134591][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.134802][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.135027][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 45.135215][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.135389][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 45.135570][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 45.135746][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 45.135969][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 45.136156][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 45.136332][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 45.136501][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.136679][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.136848][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 45.137032][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 45.137224][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.137397][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 45.137579][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 45.137753][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 45.137935][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 45.138120][ T11] kthread (kernel/kthread.c:464) 
[ 45.138257][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.138433][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.138606][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 45.138775][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.138949][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   45.159492][   T11] ------------[ cut here ]------------
| [ 45.159696][ T11] WARNING: CPU: 1 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) 
| [   45.160052][   T11] Modules linked in: netdevsim
| [   45.160639][   T11] Tainted: [W]=WARN
[   45.160814][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.161046][   T11] Workqueue: netns cleanup_net
[ 45.161266][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.161493][ 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
[   45.162127][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   45.162362][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.162632][   T11] RDX: 0000000000000000 RSI: ffff888004e12c98 RDI: ffff888001a82e10
[   45.162910][   T11] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   45.163186][   T11] R10: ffffffff8fdec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   45.163450][   T11] R13: ffff888004e12128 R14: ffff888004e12008 R15: ffff888004e12000
[   45.163720][   T11] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   45.164036][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.164343][   T11] CR2: 000055e8d0cfb998 CR3: 000000002ff28001 CR4: 0000000000772ef0
[   45.164612][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.164878][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.165235][   T11] PKRU: 55555554
[   45.165376][   T11] Call Trace:
[   45.165511][   T11]  <TASK>
[ 45.165604][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.165787][ T11] ? __warn (kernel/panic.c:748) 
[ 45.165926][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.166185][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.166376][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.166512][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.166694][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.166891][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.167078][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.167386][ 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) 
[ 45.167574][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.167761][ T11] register_netdevice (net/core/dev.c:11003) 
[ 45.167947][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.168150][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.168344][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.168581][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.168819][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.169063][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.169306][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.169535][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.169755][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.169988][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 45.170184][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.170374][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 45.170563][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 45.170744][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 45.170977][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 45.171170][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 45.171352][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 45.171536][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.171719][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.171893][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 45.172080][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 45.172280][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.172459][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 45.172650][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 45.172838][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 45.173026][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 45.173224][ T11] kthread (kernel/kthread.c:464) 
[ 45.173365][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.173550][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.173731][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 45.173914][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.174094][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   45.895839][  T497] ------------[ cut here ]------------
| [ 45.896180][ T497] WARNING: CPU: 0 PID: 497 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) 
| [   45.896589][  T497] Modules linked in: netdevsim
| [   45.897167][  T497] Tainted: [W]=WARN
[   45.897326][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.897580][ T497] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.897837][ T497] 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
[   45.898560][  T497] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   45.898818][  T497] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.899126][  T497] RDX: 0000000000000000 RSI: ffff88800dc42c98 RDI: ffff88800de70b00
[   45.899441][  T497] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   45.899739][  T497] R10: ffffffff8fdec1e7 R11: ffff88800de70040 R12: 0000000000000000
[   45.900039][  T497] R13: ffff88800dc42128 R14: ffff88800dc42008 R15: ffff88800dc42000
[   45.900349][  T497] FS:  00007f89b492a800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.900703][  T497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.900954][  T497] CR2: 00007f919cc257d0 CR3: 000000000a7ba006 CR4: 0000000000772ef0
[   45.901267][  T497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.901569][  T497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.901870][  T497] PKRU: 55555554
[   45.902023][  T497] Call Trace:
[   45.902185][  T497]  <TASK>
[ 45.902291][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.902491][ T497] ? __warn (kernel/panic.c:748) 
[ 45.902649][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.902858][ T497] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.903069][ T497] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.903234][ T497] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.903445][ T497] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.903664][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.903873][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.904083][ T497] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.904353][ T497] ? _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) 
[ 45.904564][ T497] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.904771][ T497] register_netdevice (net/core/dev.c:11003) 
[ 45.904982][ T497] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.905206][ T497] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.905427][ T497] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.905691][ T497] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.905959][ T497] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.906237][ T497] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.906503][ T497] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.906760][ T497] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.907015][ T497] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.907289][ T497] devlink_reload (net/devlink/dev.c:474) 
[ 45.907499][ T497] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.907698][ T497] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.907908][ T497] ? cap_capable (security/commoncap.c:131) 
[ 45.908124][ T497] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.908292][ T497] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.908497][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.908755][ T497] ? __nla_parse (lib/nlattr.c:732) 
[ 45.908970][ T497] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.909186][ T497] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.909454][ T497] ? cap_capable (security/commoncap.c:131) 
[ 45.909653][ T497] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.909862][ T497] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.910068][ T497] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.910281][ T497] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.910535][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.910787][ T497] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.911053][ T497] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.911269][ T497] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.911476][ T497] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.911686][ T497] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.911910][ T497] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.912064][ T497] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.912281][ T497] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.912494][ T497] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.912648][ T497] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.912853][ T497] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.913059][ T497] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.913278][ T497] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.913495][ T497] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.913699][ T497] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.913917][ T497] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.914141][ T497] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.914346][ T497] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.914546][ T497] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.914747][ T497] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.914962][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.915180][ T497] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.915431][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.915639][ T497] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.915893][ T497] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.916115][ T497] __x64_sys_sendto (net/socket.c:2181) 
[ 45.916319][ T497] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.916573][ T497] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.916785][ T497] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.917034][  T497] RIP: 0033:0x7f89b4b36a4a
[ 45.917253][ T497] 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
[   45.917960][  T497] RSP: 002b:00007ffe4dba9138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.918275][  T497] RAX: ffffffffffffffda RBX: 0000000007874b00 RCX: 00007f89b4b36a4a
[   45.918575][  T497] RDX: 000000000000003c RSI: 0000000007874b00 RDI: 0000000000000005
[   45.918874][  T497] RBP: 0000000007874910 R08: 00007f89b4cda200 R09: 000000000000000c
[   45.919185][  T497] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.919483][  T497] R13: 0000000007874910 R14: 0000000000000000 R15: 0000000000000001
| [   45.948078][  T497] ------------[ cut here ]------------
| [ 45.948445][ T497] WARNING: CPU: 2 PID: 497 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) 
| [   45.948872][  T497] Modules linked in: netdevsim
| [   45.949485][  T497] Tainted: [W]=WARN
[   45.949653][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.949918][ T497] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.950197][ T497] 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
[   45.950914][  T497] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   45.951195][  T497] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.951513][  T497] RDX: 0000000000000000 RSI: ffff88800abd2c98 RDI: ffff88800de70b00
[   45.951826][  T497] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   45.952187][  T497] R10: ffffffff8fdec1e7 R11: ffff88800de70040 R12: 0000000000000000
[   45.952505][  T497] R13: ffff88800abd2128 R14: ffff88800abd2008 R15: ffff88800abd2000
[   45.952815][  T497] FS:  00007f89b492a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.953189][  T497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.953458][  T497] CR2: 00007f89b4a69440 CR3: 000000000a7ba006 CR4: 0000000000772ef0
[   45.953770][  T497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.954088][  T497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.954409][  T497] PKRU: 55555554
[   45.954577][  T497] Call Trace:
[   45.954742][  T497]  <TASK>
[ 45.954864][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.955080][ T497] ? __warn (kernel/panic.c:748) 
[ 45.955262][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.955480][ T497] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.955699][ T497] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.955869][ T497] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.956084][ T497] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.956341][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.956565][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.956788][ T497] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.957058][ T497] ? _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) 
[ 45.957292][ T497] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.957511][ T497] register_netdevice (net/core/dev.c:11003) 
[ 45.957734][ T497] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.957966][ T497] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.958211][ T497] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.958484][ T497] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.958766][ T497] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.959041][ T497] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.959325][ T497] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.959600][ T497] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.959864][ T497] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.960166][ T497] devlink_reload (net/devlink/dev.c:474) 
[ 45.960390][ T497] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.960601][ T497] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.960823][ T497] ? cap_capable (security/commoncap.c:131) 
[ 45.961040][ T497] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.961232][ T497] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.961450][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.961717][ T497] ? __nla_parse (lib/nlattr.c:732) 
[ 45.961942][ T497] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.962173][ T497] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.962451][ T497] ? cap_capable (security/commoncap.c:131) 
[ 45.962673][ T497] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.962903][ T497] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.963134][ T497] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.963351][ T497] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.963611][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.963881][ T497] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.964187][ T497] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.964406][ T497] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.964621][ T497] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.964839][ T497] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.965066][ T497] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.965246][ T497] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.965463][ T497] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.965686][ T497] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.965858][ T497] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.966078][ T497] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.966306][ T497] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.966529][ T497] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.966748][ T497] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.966960][ T497] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.967191][ T497] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.967417][ T497] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.967645][ T497] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.967857][ T497] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.968074][ T497] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.968327][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.968551][ T497] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.968812][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.969035][ T497] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.969313][ T497] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.969536][ T497] __x64_sys_sendto (net/socket.c:2181) 
[ 45.969751][ T497] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.970018][ T497] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.970247][ T497] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.970509][  T497] RIP: 0033:0x7f89b4b36a4a
[ 45.970734][ T497] 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
[   45.971456][  T497] RSP: 002b:00007ffe4dba9138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.971769][  T497] RAX: ffffffffffffffda RBX: 0000000007874b00 RCX: 00007f89b4b36a4a
[   45.972085][  T497] RDX: 000000000000003c RSI: 0000000007874b00 RDI: 0000000000000005
[   45.972419][  T497] RBP: 0000000007874910 R08: 00007f89b4cda200 R09: 000000000000000c
[   45.972733][  T497] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.973043][  T497] R13: 0000000007874910 R14: 0000000000000000 R15: 0000000000000001
| [   45.983935][  T497] ------------[ cut here ]------------
| [ 45.984929][ T497] WARNING: CPU: 2 PID: 497 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) 
| [   45.985444][  T497] Modules linked in: netdevsim
| [   45.986207][  T497] Tainted: [W]=WARN
[   45.986452][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.986790][ T497] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.987151][ T497] 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
[   45.987951][  T497] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   45.988314][  T497] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.988703][  T497] RDX: 0000000000000000 RSI: ffff8880023c2c98 RDI: ffff88800de70b00
[   45.989097][  T497] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   45.989578][  T497] R10: ffffffff8fdec1e7 R11: ffff88800de70040 R12: 0000000000000000
[   45.989967][  T497] R13: ffff8880023c2128 R14: ffff8880023c2008 R15: ffff8880023c2000
[   45.990364][  T497] FS:  00007f89b492a800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.990800][  T497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.991167][  T497] CR2: 00007f89b4a69440 CR3: 000000000a7ba006 CR4: 0000000000772ef0
[   45.991560][  T497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.991950][  T497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.992352][  T497] PKRU: 55555554
[   45.992596][  T497] Call Trace:
[   45.992841][  T497]  <TASK>
[ 45.993033][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.993341][ T497] ? __warn (kernel/panic.c:748) 
[ 45.993585][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.993890][ T497] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.994202][ T497] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.994447][ T497] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.994737][ T497] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.995046][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.995350][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.995648][ T497] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.995989][ T497] ? _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) 
[ 45.996302][ T497] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.996596][ T497] register_netdevice (net/core/dev.c:11003) 
[ 45.996897][ T497] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.997265][ T497] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.997578][ T497] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.997925][ T497] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.998299][ T497] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.998653][ T497] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.998958][ T497] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.999242][ T497] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.999506][ T497] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.999783][ T497] devlink_reload (net/devlink/dev.c:474) 
[ 46.000003][ T497] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.000235][ T497] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.000460][ T497] ? cap_capable (security/commoncap.c:131) 
[ 46.000675][ T497] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.000853][ T497] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.001071][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.001357][ T497] ? __nla_parse (lib/nlattr.c:732) 
[ 46.001589][ T497] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.001810][ T497] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.002090][ T497] ? cap_capable (security/commoncap.c:131) 
[ 46.002324][ T497] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.002546][ T497] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.002766][ T497] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.002981][ T497] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.003256][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.003515][ T497] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.003796][ T497] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.004021][ T497] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.004256][ T497] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.004474][ T497] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.004705][ T497] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.004873][ T497] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.005094][ T497] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.005339][ T497] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.005508][ T497] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.005729][ T497] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.005948][ T497] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.006185][ T497] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.006409][ T497] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.006624][ T497] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.006842][ T497] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.007073][ T497] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.007306][ T497] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.007530][ T497] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.007744][ T497] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.007973][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.008208][ T497] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.008477][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.008698][ T497] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.008970][ T497] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.009203][ T497] __x64_sys_sendto (net/socket.c:2181) 
[ 46.009421][ T497] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.009684][ T497] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.009904][ T497] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.010184][  T497] RIP: 0033:0x7f89b4b36a4a
[ 46.010407][ T497] 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
[   46.011127][  T497] RSP: 002b:00007ffe4dba9138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.011441][  T497] RAX: ffffffffffffffda RBX: 0000000007874b00 RCX: 00007f89b4b36a4a
[   46.011757][  T497] RDX: 000000000000003c RSI: 0000000007874b00 RDI: 0000000000000005
[   46.012067][  T497] RBP: 0000000007874910 R08: 00007f89b4cda200 R09: 000000000000000c
[   46.012390][  T497] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.012703][  T497] R13: 0000000007874910 R14: 0000000000000000 R15: 0000000000000001
| [   46.024843][  T497] ------------[ cut here ]------------
| [ 46.025064][ T497] WARNING: CPU: 3 PID: 497 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) 
| [   46.025462][  T497] Modules linked in: netdevsim
| [   46.025996][  T497] Tainted: [W]=WARN
[   46.026156][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.026392][ T497] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.026632][ T497] 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
[   46.027313][  T497] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   46.027557][  T497] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.027839][  T497] RDX: 0000000000000000 RSI: ffff88800523ac98 RDI: ffff88800de70b00
[   46.028133][  T497] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   46.028414][  T497] R10: ffffffff8fdec1e7 R11: ffff88800de70040 R12: 0000000000000000
[   46.028695][  T497] R13: ffff88800523a128 R14: ffff88800523a008 R15: ffff88800523a000
[   46.028978][  T497] FS:  00007f89b492a800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.029336][  T497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.029576][  T497] CR2: 00007f919cc085a0 CR3: 000000000a7ba002 CR4: 0000000000772ef0
[   46.029857][  T497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.030149][  T497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.030436][  T497] PKRU: 55555554
[   46.030578][  T497] Call Trace:
[   46.030722][  T497]  <TASK>
[ 46.030821][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.031011][ T497] ? __warn (kernel/panic.c:748) 
[ 46.031171][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.031366][ T497] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.031565][ T497] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.031713][ T497] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.031910][ T497] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.032125][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.032318][ T497] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.032516][ T497] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.032757][ T497] ? _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) 
[ 46.032955][ T497] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.033162][ T497] register_netdevice (net/core/dev.c:11003) 
[ 46.033366][ T497] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.033567][ T497] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.033776][ T497] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.034038][ T497] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.034304][ T497] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.034566][ T497] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.034817][ T497] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.035059][ T497] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.035314][ T497] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.035565][ T497] devlink_reload (net/devlink/dev.c:474) 
[ 46.035762][ T497] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.035956][ T497] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.036164][ T497] ? cap_capable (security/commoncap.c:131) 
[ 46.036355][ T497] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.036509][ T497] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.036703][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.036944][ T497] ? __nla_parse (lib/nlattr.c:732) 
[ 46.037154][ T497] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.037357][ T497] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.037610][ T497] ? cap_capable (security/commoncap.c:131) 
[ 46.037800][ T497] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.037996][ T497] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.038201][ T497] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.038394][ T497] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.038626][ T497] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.038864][ T497] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.039122][ T497] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.039314][ T497] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.039505][ T497] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.039700][ T497] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.039906][ T497] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.040051][ T497] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.040261][ T497] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.040464][ T497] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.040609][ T497] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.040805][ T497] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.041000][ T497] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.041209][ T497] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.041408][ T497] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.041598][ T497] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.041797][ T497] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.041997][ T497] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.042203][ T497] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.042395][ T497] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.042586][ T497] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.042787][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.042984][ T497] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.043238][ T497] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.043429][ T497] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.043672][ T497] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.043879][ T497] __x64_sys_sendto (net/socket.c:2181) 
[ 46.044073][ T497] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.044320][ T497] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.044521][ T497] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.044762][  T497] RIP: 0033:0x7f89b4b36a4a
[ 46.044957][ T497] 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
[   46.045629][  T497] RSP: 002b:00007ffe4dba9138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.045922][  T497] RAX: ffffffffffffffda RBX: 0000000007874b00 RCX: 00007f89b4b36a4a
[   46.046215][  T497] RDX: 000000000000003c RSI: 0000000007874b00 RDI: 0000000000000005
[   46.046497][  T497] RBP: 0000000007874910 R08: 00007f89b4cda200 R09: 000000000000000c
[   46.046782][  T497] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.047128][  T497] R13: 0000000007874910 R14: 0000000000000000 R15: 0000000000000001
| [   47.080913][  T517] ------------[ cut here ]------------
| [ 47.081244][ T517] WARNING: CPU: 2 PID: 517 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) 
| [   47.081671][  T517] Modules linked in: netdevsim
| [   47.082289][  T517] Tainted: [W]=WARN
[   47.082458][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.082745][ T517] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.083020][ T517] 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
[   47.083770][  T517] RSP: 0018:ffffc90000e771e8 EFLAGS: 00010246
[   47.084062][  T517] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.084480][  T517] RDX: 0000000000000000 RSI: ffff888009aa2c98 RDI: ffff888008fdd080
[   47.084869][  T517] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   47.085279][  T517] R10: ffffffff8fdec1e7 R11: ffff888008fdc5c0 R12: 0000000000000000
[   47.085666][  T517] R13: ffff888009aa2128 R14: ffff888009aa2008 R15: ffff888009aa2000
[   47.086047][  T517] FS:  00007f6d32817800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.086420][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.086685][  T517] CR2: 00007f6d32bc7200 CR3: 000000000aa82005 CR4: 0000000000772ef0
[   47.086998][  T517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.087345][  T517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.087657][  T517] PKRU: 55555554
[   47.087827][  T517] Call Trace:
[   47.087994][  T517]  <TASK>
[ 47.088128][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.088348][ T517] ? __warn (kernel/panic.c:748) 
[ 47.088520][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.088745][ T517] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.088966][ T517] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.089150][ T517] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.089364][ T517] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.089595][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.089810][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.090030][ T517] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.090311][ T517] ? _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) 
[ 47.090539][ T517] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.090759][ T517] register_netdevice (net/core/dev.c:11003) 
[ 47.090978][ T517] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.091234][ T517] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.091471][ T517] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.091746][ T517] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.092033][ T517] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.092329][ T517] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.092611][ T517] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.092880][ T517] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.093160][ T517] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.093433][ T517] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 47.093650][ T517] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 47.093941][ T517] devlink_reload (net/devlink/dev.c:474) 
[ 47.094179][ T517] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.094397][ T517] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 47.094673][ T517] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.094893][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.095201][ T517] ? __nla_parse (lib/nlattr.c:732) 
[ 47.095432][ T517] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.095653][ T517] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.095935][ T517] ? cap_capable (security/commoncap.c:131) 
[ 47.096169][ T517] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.096394][ T517] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.096615][ T517] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.096836][ T517] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.097112][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.097372][ T517] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.097647][ T517] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.097863][ T517] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.098078][ T517] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.098312][ T517] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.098545][ T517] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.098711][ T517] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.098930][ T517] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.099180][ T517] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.099352][ T517] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.099570][ T517] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.099789][ T517] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.100015][ T517] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.100251][ T517] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.100464][ T517] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.100681][ T517] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.100908][ T517] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.101146][ T517] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.101375][ T517] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.101594][ T517] ? __sys_recvmsg (net/socket.c:2859) 
[ 47.101818][ T517] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 47.102043][ T517] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 47.102280][ T517] __x64_sys_sendto (net/socket.c:2181) 
[ 47.102495][ T517] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.102760][ T517] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.102977][ T517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.103269][  T517] RIP: 0033:0x7f6d32a23a4a
[ 47.103497][ T517] 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
[   47.104231][  T517] RSP: 002b:00007ffdece02f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.104583][  T517] RAX: ffffffffffffffda RBX: 0000000034aa1b00 RCX: 00007f6d32a23a4a
[   47.104906][  T517] RDX: 0000000000000034 RSI: 0000000034aa1b00 RDI: 0000000000000005
[   47.105241][  T517] RBP: 0000000034aa1910 R08: 00007f6d32bc7200 R09: 000000000000000c
[   47.105565][  T517] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.105879][  T517] R13: 0000000034aa1910 R14: 0000000000000000 R15: 0000000000000003
| [   47.124543][  T517] ------------[ cut here ]------------
| [ 47.124769][ T517] WARNING: CPU: 3 PID: 517 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) 
| [   47.125172][  T517] Modules linked in: netdevsim
| [   47.125714][  T517] Tainted: [W]=WARN
[   47.125861][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.126113][ T517] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.126362][ T517] 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
[   47.127028][  T517] RSP: 0018:ffffc90000e771e8 EFLAGS: 00010246
[   47.127284][  T517] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.127577][  T517] RDX: 0000000000000000 RSI: ffff88800ab2ac98 RDI: ffff888008fdd080
[   47.127860][  T517] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   47.128156][  T517] R10: ffffffff8fdec1e7 R11: ffff888008fdc5c0 R12: 0000000000000000
[   47.128440][  T517] R13: ffff88800ab2a128 R14: ffff88800ab2a008 R15: ffff88800ab2a000
[   47.128727][  T517] FS:  00007f6d32817800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   47.129059][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.129317][  T517] CR2: 000055e8be506dec CR3: 000000000aa82006 CR4: 0000000000772ef0
[   47.129606][  T517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.129889][  T517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.130186][  T517] PKRU: 55555554
[   47.130332][  T517] Call Trace:
[   47.130476][  T517]  <TASK>
[ 47.130577][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.130769][ T517] ? __warn (kernel/panic.c:748) 
[ 47.130919][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.131123][ T517] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.131321][ T517] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.131468][ T517] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.131663][ T517] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.131867][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.132065][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.132271][ T517] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.132518][ T517] ? _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) 
[ 47.132716][ T517] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.132913][ T517] register_netdevice (net/core/dev.c:11003) 
[ 47.133122][ T517] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.133327][ T517] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.133539][ T517] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.133790][ T517] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.134055][ T517] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.134318][ T517] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.134569][ T517] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.134815][ T517] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.135057][ T517] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.135310][ T517] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 47.135503][ T517] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 47.135754][ T517] devlink_reload (net/devlink/dev.c:474) 
[ 47.135954][ T517] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.136163][ T517] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 47.136414][ T517] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.136617][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.136858][ T517] ? __nla_parse (lib/nlattr.c:732) 
[ 47.137063][ T517] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.137268][ T517] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.137521][ T517] ? cap_capable (security/commoncap.c:131) 
[ 47.137714][ T517] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.137915][ T517] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.138125][ T517] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.138317][ T517] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.138558][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.138797][ T517] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.139046][ T517] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.139252][ T517] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.139446][ T517] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.139644][ T517] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.139850][ T517] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.139998][ T517] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.140205][ T517] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.140408][ T517] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.140555][ T517] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.140751][ T517] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.140949][ T517] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.141164][ T517] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.141362][ T517] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.141560][ T517] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.141758][ T517] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.141962][ T517] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.142169][ T517] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.142374][ T517] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.142573][ T517] ? __sys_recvmsg (net/socket.c:2859) 
[ 47.142765][ T517] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 47.142966][ T517] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 47.143177][ T517] __x64_sys_sendto (net/socket.c:2181) 
[ 47.143381][ T517] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.143625][ T517] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.143829][ T517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.144066][  T517] RIP: 0033:0x7f6d32a23a4a
[ 47.144272][ T517] 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
[   47.144944][  T517] RSP: 002b:00007ffdece02f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.145248][  T517] RAX: ffffffffffffffda RBX: 0000000034aa1b00 RCX: 00007f6d32a23a4a
[   47.145532][  T517] RDX: 0000000000000034 RSI: 0000000034aa1b00 RDI: 0000000000000005
[   47.145815][  T517] RBP: 0000000034aa1910 R08: 00007f6d32bc7200 R09: 000000000000000c
[   47.146112][  T517] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.146398][  T517] R13: 0000000034aa1910 R14: 0000000000000000 R15: 0000000000000003
| [   47.157088][  T517] ------------[ cut here ]------------
| [ 47.157316][ T517] WARNING: CPU: 3 PID: 517 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) 
| [   47.157696][  T517] Modules linked in: netdevsim
| [   47.159002][  T517] Tainted: [W]=WARN
[   47.159244][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.159491][ T517] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.159734][ T517] 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
[   47.160482][  T517] RSP: 0018:ffffc90000e771e8 EFLAGS: 00010246
[   47.160728][  T517] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.161011][  T517] RDX: 0000000000000000 RSI: ffff888002b4ac98 RDI: ffff888008fdd080
[   47.161382][  T517] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   47.161665][  T517] R10: ffffffff8fdec1e7 R11: ffff888008fdc5c0 R12: 0000000000000000
[   47.161949][  T517] R13: ffff888002b4a128 R14: ffff888002b4a008 R15: ffff888002b4a000
[   47.162315][  T517] FS:  00007f6d32817800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   47.162645][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.162885][  T517] CR2: 000055e8be506dec CR3: 000000000aa82006 CR4: 0000000000772ef0
[   47.163272][  T517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.163558][  T517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.163843][  T517] PKRU: 55555554
[   47.163990][  T517] Call Trace:
[   47.164221][  T517]  <TASK>
[ 47.164320][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.164512][ T517] ? __warn (kernel/panic.c:748) 
[ 47.164660][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.164857][ T517] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.165054][ T517] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.165290][ T517] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.165482][ T517] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.165684][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.165876][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.166075][ T517] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.166411][ T517] ? _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) 
[ 47.166607][ T517] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.166803][ T517] register_netdevice (net/core/dev.c:11003) 
[ 47.167000][ T517] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.167668][ T517] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.167884][ T517] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.168230][ T517] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.168486][ T517] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.168735][ T517] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.168985][ T517] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.169316][ T517] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.169552][ T517] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.169796][ T517] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 47.169986][ T517] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 47.170328][ T517] devlink_reload (net/devlink/dev.c:474) 
[ 47.170527][ T517] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.170720][ T517] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 47.170964][ T517] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.171251][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.171490][ T517] ? __nla_parse (lib/nlattr.c:732) 
[ 47.171694][ T517] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.171889][ T517] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.172225][ T517] ? cap_capable (security/commoncap.c:131) 
[ 47.172417][ T517] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.172614][ T517] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.172814][ T517] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.173005][ T517] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.173327][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.173563][ T517] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.173810][ T517] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.174015][ T517] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.174296][ T517] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.174495][ T517] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.174701][ T517] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.174847][ T517] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.175042][ T517] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.175329][ T517] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.175476][ T517] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.175670][ T517] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.175870][ T517] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.176067][ T517] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.176347][ T517] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.176540][ T517] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.176731][ T517] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.176931][ T517] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.177214][ T517] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.177417][ T517] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.177618][ T517] ? __sys_recvmsg (net/socket.c:2859) 
[ 47.177808][ T517] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 47.178010][ T517] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 47.178298][ T517] __x64_sys_sendto (net/socket.c:2181) 
[ 47.178495][ T517] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.178734][ T517] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.178928][ T517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.179255][  T517] RIP: 0033:0x7f6d32a23a4a
[ 47.179453][ T517] 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
[   47.180205][  T517] RSP: 002b:00007ffdece02f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.180496][  T517] RAX: ffffffffffffffda RBX: 0000000034aa1b00 RCX: 00007f6d32a23a4a
[   47.180785][  T517] RDX: 0000000000000034 RSI: 0000000034aa1b00 RDI: 0000000000000005
[   47.181069][  T517] RBP: 0000000034aa1910 R08: 00007f6d32bc7200 R09: 000000000000000c
[   47.181443][  T517] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.181722][  T517] R13: 0000000034aa1910 R14: 0000000000000000 R15: 0000000000000003
| [   47.200783][  T517] ------------[ cut here ]------------
| [ 47.201042][ T517] WARNING: CPU: 2 PID: 517 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) 
| [   47.201491][  T517] Modules linked in: netdevsim
| [   47.202081][  T517] Tainted: [W]=WARN
[   47.202262][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.202526][ T517] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.202797][ T517] 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
[   47.203525][  T517] RSP: 0018:ffffc90000e771e8 EFLAGS: 00010246
[   47.203793][  T517] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.204131][  T517] RDX: 0000000000000000 RSI: ffff88800dd92c98 RDI: ffff888008fdd080
[   47.204445][  T517] RBP: ffff88800aa7b040 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   47.204761][  T517] R10: ffffffff8fdec1e7 R11: ffff888008fdc5c0 R12: 0000000000000000
[   47.205075][  T517] R13: ffff88800dd92128 R14: ffff88800dd92008 R15: ffff88800dd92000
[   47.205402][  T517] FS:  00007f6d32817800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.205766][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.206043][  T517] CR2: 00007f919cc085a0 CR3: 000000000aa82005 CR4: 0000000000772ef0
[   47.206373][  T517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.206686][  T517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.206997][  T517] PKRU: 55555554
[   47.207175][  T517] Call Trace:
[   47.207342][  T517]  <TASK>
[ 47.207469][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.207687][ T517] ? __warn (kernel/panic.c:748) 
[ 47.207861][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.208080][ T517] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.208322][ T517] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.208503][ T517] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.208750][ T517] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.208981][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.209217][ T517] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.209444][ T517] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.209717][ T517] ? _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) 
[ 47.209940][ T517] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.210174][ T517] register_netdevice (net/core/dev.c:11003) 
[ 47.210400][ T517] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.210632][ T517] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.210868][ T517] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.211152][ T517] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.211438][ T517] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.211714][ T517] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.211993][ T517] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.212280][ T517] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.212544][ T517] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.212809][ T517] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 47.213025][ T517] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 47.213315][ T517] devlink_reload (net/devlink/dev.c:474) 
[ 47.213542][ T517] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.213763][ T517] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 47.214049][ T517] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.214284][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.214557][ T517] ? __nla_parse (lib/nlattr.c:732) 
[ 47.214787][ T517] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.215011][ T517] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.215301][ T517] ? cap_capable (security/commoncap.c:131) 
[ 47.215519][ T517] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.215744][ T517] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.215968][ T517] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.216198][ T517] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.216464][ T517] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.216726][ T517] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.217007][ T517] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.217237][ T517] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.217457][ T517] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.217675][ T517] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.217909][ T517] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.218078][ T517] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.218311][ T517] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.218540][ T517] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.218709][ T517] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.218929][ T517] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.219158][ T517] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.219384][ T517] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.219603][ T517] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.219822][ T517] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.220058][ T517] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.220307][ T517] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.220527][ T517] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.220753][ T517] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.220972][ T517] ? __sys_recvmsg (net/socket.c:2859) 
[ 47.221198][ T517] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 47.221422][ T517] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 47.221643][ T517] __x64_sys_sendto (net/socket.c:2181) 
[ 47.221859][ T517] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.222144][ T517] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.222368][ T517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.222632][  T517] RIP: 0033:0x7f6d32a23a4a
[ 47.222855][ T517] 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
[   47.223578][  T517] RSP: 002b:00007ffdece02f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.223906][  T517] RAX: ffffffffffffffda RBX: 0000000034aa1b00 RCX: 00007f6d32a23a4a
[   47.224230][  T517] RDX: 0000000000000034 RSI: 0000000034aa1b00 RDI: 0000000000000005
[   47.224546][  T517] RBP: 0000000034aa1910 R08: 00007f6d32bc7200 R09: 000000000000000c
[   47.224864][  T517] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.225184][  T517] R13: 0000000034aa1910 R14: 0000000000000000 R15: 0000000000000003
| [   48.365695][  T536] ------------[ cut here ]------------
| [ 48.366051][ T536] WARNING: CPU: 2 PID: 536 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) 
| [   48.366509][  T536] Modules linked in: netdevsim
| [   48.367121][  T536] Tainted: [W]=WARN
[   48.367306][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.367579][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.367862][ T536] 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
[   48.368626][  T536] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   48.368909][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.369256][  T536] RDX: 0000000000000000 RSI: ffff88800e032c98 RDI: ffff888005260b00
[   48.369583][  T536] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   48.369914][  T536] R10: ffffffff8fdec1e7 R11: ffff888005260040 R12: 0000000000000000
[   48.370261][  T536] R13: ffff88800e032128 R14: ffff88800e032008 R15: ffff88800e032000
[   48.370597][  T536] FS:  00007fc999e92800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   48.370982][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.371281][  T536] CR2: 00007fc99a0ee423 CR3: 000000000a568003 CR4: 0000000000772ef0
[   48.371615][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.371949][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.372294][  T536] PKRU: 55555554
[   48.372470][  T536] Call Trace:
[   48.372645][  T536]  <TASK>
[ 48.372774][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.373002][ T536] ? __warn (kernel/panic.c:748) 
[ 48.373209][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.373440][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.373676][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.373867][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.374096][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.374354][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.374582][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.374820][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.375118][ T536] ? _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) 
[ 48.375357][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.375591][ T536] register_netdevice (net/core/dev.c:11003) 
[ 48.375825][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.376065][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.376330][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.376623][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.376923][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.377236][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.377526][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.377819][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.378113][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.378407][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 48.378640][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.378867][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.379115][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.379355][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.379588][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.379870][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 48.380117][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.380348][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.380645][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.380865][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.381113][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.381337][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.381564][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.381837][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.382184][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.382473][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.382703][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.382934][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.383181][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.383419][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.383597][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.383829][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.384075][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.384258][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.384488][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.384709][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.384939][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.385186][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.385403][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.385626][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.385857][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.386089][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.386333][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.386558][ T536] ? 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) 
[ 48.386782][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.387012][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.387249][ T536] ? 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) 
[ 48.387480][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.387709][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 48.387935][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.388227][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.388458][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.388731][  T536] RIP: 0033:0x7fc99a09ea4a
[ 48.388960][ T536] 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
[   48.389713][  T536] RSP: 002b:00007ffef3df5808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.390033][  T536] RAX: ffffffffffffffda RBX: 000000003e136b00 RCX: 00007fc99a09ea4a
[   48.390364][  T536] RDX: 000000000000003c RSI: 000000003e136b00 RDI: 0000000000000005
[   48.390682][  T536] RBP: 000000003e136910 R08: 00007fc99a242200 R09: 000000000000000c
[   48.391001][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.391336][  T536] R13: 000000003e136910 R14: 0000000000000000 R15: 0000000000000003
| [   48.411963][  T536] ------------[ cut here ]------------
| [ 48.412321][ T536] WARNING: CPU: 2 PID: 536 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) 
| [   48.412760][  T536] Modules linked in: netdevsim
| [   48.413387][  T536] Tainted: [W]=WARN
[   48.413567][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.413865][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.414175][ T536] 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
[   48.414918][  T536] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   48.415210][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.415534][  T536] RDX: 0000000000000000 RSI: ffff8880052cac98 RDI: ffff888005260b00
[   48.415874][  T536] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   48.416212][  T536] R10: ffffffff8fdec1e7 R11: ffff888005260040 R12: 0000000000000000
[   48.416546][  T536] R13: ffff8880052ca128 R14: ffff8880052ca008 R15: ffff8880052ca000
[   48.416880][  T536] FS:  00007fc999e92800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   48.417277][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.417564][  T536] CR2: 00007fc99a0ee423 CR3: 000000000a568003 CR4: 0000000000772ef0
[   48.417907][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.418251][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.418583][  T536] PKRU: 55555554
[   48.418757][  T536] Call Trace:
[   48.418936][  T536]  <TASK>
[ 48.419061][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.419300][ T536] ? __warn (kernel/panic.c:748) 
[ 48.419484][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.419716][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.419951][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.420142][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.420375][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.420618][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.420852][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.421089][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.421387][ T536] ? _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) 
[ 48.421628][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.421858][ T536] register_netdevice (net/core/dev.c:11003) 
[ 48.422098][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.422373][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.422625][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.422923][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.423235][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.423525][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.423804][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.424089][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.424377][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.424659][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 48.424890][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.425113][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.425335][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.425572][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.425809][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.426111][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 48.426354][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.426583][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.426878][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.427111][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.427348][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.427583][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.427819][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.428093][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.428384][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.428669][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.428896][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.429121][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.429353][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.429592][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.429767][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.429996][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.430234][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.430413][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.430644][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.430876][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.431124][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.431363][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.431588][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.431821][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.432047][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.432287][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.432522][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.432746][ T536] ? 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) 
[ 48.432971][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.433207][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.433429][ T536] ? 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) 
[ 48.433654][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.433887][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 48.434122][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.434393][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.434622][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.434890][  T536] RIP: 0033:0x7fc99a09ea4a
[ 48.435137][ T536] Code: Unable to access opcode bytes at 0x7fc99a09ea20.

Code starting with the faulting instruction
===========================================
[   48.435411][  T536] RSP: 002b:00007ffef3df5808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.435734][  T536] RAX: ffffffffffffffda RBX: 000000003e136b00 RCX: 00007fc99a09ea4a
[   48.436059][  T536] RDX: 000000000000003c RSI: 000000003e136b00 RDI: 0000000000000005
[   48.436381][  T536] RBP: 000000003e136910 R08: 00007fc99a242200 R09: 000000000000000c
[   48.436698][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.437020][  T536] R13: 000000003e136910 R14: 0000000000000000 R15: 0000000000000003
| [   48.449983][  T536] ------------[ cut here ]------------
| [ 48.450249][ T536] WARNING: CPU: 2 PID: 536 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) 
| [   48.450678][  T536] Modules linked in: netdevsim
| [   48.451292][  T536] Tainted: [W]=WARN
[   48.451469][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.451738][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.452011][ T536] 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
[   48.452771][  T536] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   48.453052][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.453462][  T536] RDX: 0000000000000000 RSI: ffff888002a82c98 RDI: ffff888005260b00
[   48.453778][  T536] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   48.454122][  T536] R10: ffffffff8fdec1e7 R11: ffff888005260040 R12: 0000000000000000
[   48.454452][  T536] R13: ffff888002a82128 R14: ffff888002a82008 R15: ffff888002a82000
[   48.454781][  T536] FS:  00007fc999e92800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   48.455172][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.455454][  T536] CR2: 00007fc99a09ea20 CR3: 000000000a568003 CR4: 0000000000772ef0
[   48.455785][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.456143][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.456471][  T536] PKRU: 55555554
[   48.456652][  T536] Call Trace:
[   48.456827][  T536]  <TASK>
[ 48.456950][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.457195][ T536] ? __warn (kernel/panic.c:748) 
[ 48.457387][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.457613][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.457858][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.458041][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.458283][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.458522][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.458763][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.459003][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.459301][ T536] ? _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) 
[ 48.459536][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.459772][ T536] register_netdevice (net/core/dev.c:11003) 
[ 48.460007][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.460254][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.460504][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.460796][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.461094][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.461397][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.461687][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.461975][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.462273][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.462557][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 48.462793][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.463019][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.463315][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.463555][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.463791][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.464089][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 48.464336][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.464580][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.464871][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.465121][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.465356][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.465593][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.465821][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.466095][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.466386][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.466675][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.466905][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.467151][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.467391][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.467638][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.467815][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.468046][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.468303][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.468487][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.468721][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.468956][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.469203][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.469438][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.469678][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.469901][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.470148][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.470382][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.470631][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.470854][ T536] ? 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) 
[ 48.471083][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.471323][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.471569][ T536] ? 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) 
[ 48.471794][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.472020][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 48.472264][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.472544][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.472773][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.473040][  T536] RIP: 0033:0x7fc99a09ea4a
[ 48.473286][ T536] Code: Unable to access opcode bytes at 0x7fc99a09ea20.

Code starting with the faulting instruction
===========================================
[   48.473563][  T536] RSP: 002b:00007ffef3df5808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.473913][  T536] RAX: ffffffffffffffda RBX: 000000003e136b00 RCX: 00007fc99a09ea4a
[   48.474264][  T536] RDX: 000000000000003c RSI: 000000003e136b00 RDI: 0000000000000005
[   48.474592][  T536] RBP: 000000003e136910 R08: 00007fc99a242200 R09: 000000000000000c
[   48.474916][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.475254][  T536] R13: 000000003e136910 R14: 0000000000000000 R15: 0000000000000003
| [   48.500408][  T536] ------------[ cut here ]------------
| [ 48.500664][ T536] WARNING: CPU: 2 PID: 536 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) 
| [   48.501078][  T536] Modules linked in: netdevsim
| [   48.501740][  T536] Tainted: [W]=WARN
[   48.501902][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.502181][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.502459][ T536] 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
[   48.503195][  T536] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   48.503485][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.503821][  T536] RDX: 0000000000000000 RSI: ffff88800b70ac98 RDI: ffff888005260b00
[   48.504161][  T536] RBP: ffffffff91f23440 R08: 0000000000000000 R09: fffffbfff1fbd83c
[   48.504488][  T536] R10: ffffffff8fdec1e7 R11: ffff888005260040 R12: 0000000000000000
[   48.504811][  T536] R13: ffff88800b70a128 R14: ffff88800b70a008 R15: ffff88800b70a000
[   48.505145][  T536] FS:  00007fc999e92800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   48.505523][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.505798][  T536] CR2: 00007f919cc085a0 CR3: 000000000a568003 CR4: 0000000000772ef0
[   48.506136][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.506453][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.506776][  T536] PKRU: 55555554
[   48.506948][  T536] Call Trace:
[   48.507133][  T536]  <TASK>
[ 48.507255][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.507484][ T536] ? __warn (kernel/panic.c:748) 
[ 48.507662][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.507893][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.508136][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.508307][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.508530][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.508764][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.508986][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.509227][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.509510][ T536] ? _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) 
[ 48.509736][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.509961][ T536] register_netdevice (net/core/dev.c:11003) 
[ 48.510201][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.510439][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.510683][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.510969][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.511273][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.511564][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.511850][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.512142][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.512414][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.512707][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 48.512939][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.513175][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.513414][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.513655][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.513894][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.514187][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 48.514425][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.514660][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.514957][ T536] ? cap_capable (security/commoncap.c:131) 
[ 48.515193][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.515436][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.515672][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.515904][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.516190][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.516473][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.516777][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.517008][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.517260][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.517492][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.517742][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.517920][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.518165][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.518406][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.518582][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.518827][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.519055][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.519304][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.519541][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.519772][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.520009][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.520257][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.520489][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.520728][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.520956][ T536] ? 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) 
[ 48.521197][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.521435][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.521668][ T536] ? 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) 
[ 48.521912][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.522162][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 48.522395][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.522679][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.522912][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.523198][  T536] RIP: 0033:0x7fc99a09ea4a
[ 48.523434][ T536] Code: Unable to access opcode bytes at 0x7fc99a09ea20.

Code starting with the faulting instruction
===========================================
[   48.523714][  T536] RSP: 002b:00007ffef3df5808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.524059][  T536] RAX: ffffffffffffffda RBX: 000000003e136b00 RCX: 00007fc99a09ea4a
[   48.524382][  T536] RDX: 000000000000003c RSI: 000000003e136b00 RDI: 0000000000000005
[   48.524693][  T536] RBP: 000000003e136910 R08: 00007fc99a242200 R09: 000000000000000c
[   48.525015][  T536] 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