======================================
| 0
| xx__-> [   11.475915][  T228] ------------[ cut here ]------------
| [ 11.476310][ 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) 
| [   11.476767][  T228] Modules linked in: netdevsim
[   11.477504][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.477800][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.478103][ 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
[   11.478883][  T228] RSP: 0018:ffffc90000ab7520 EFLAGS: 00010246
[   11.479278][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.479620][  T228] RDX: 0000000000000000 RSI: ffff88800e6fac98 RDI: ffff888008fd8b78
[   11.479971][  T228] RBP: ffffffffb7923440 R08: 0000000000000000 R09: fffffbfff6afd83c
[   11.480305][  T228] R10: ffffffffb57ec1e7 R11: ffff888008fd8040 R12: 0000000000000000
[   11.480626][  T228] R13: ffff88800e6fa128 R14: ffff88800e6fa008 R15: ffff88800e6fa000
[   11.480971][  T228] FS:  00007f04430ba740(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   11.481376][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.481663][  T228] CR2: 000055a1dea6fac8 CR3: 000000000b6f4002 CR4: 0000000000772ef0
[   11.482181][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.482534][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.482920][  T228] PKRU: 55555554
[   11.483225][  T228] Call Trace:
[   11.483469][  T228]  <TASK>
[ 11.483621][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.484005][ T228] ? __warn (kernel/panic.c:748) 
[ 11.484309][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.484677][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.485048][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.485349][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.485724][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.486132][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.486546][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.487021][ 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) 
[ 11.487435][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.487876][ T228] register_netdevice (net/core/dev.c:11003) 
[ 11.488279][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.488612][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.488913][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.489224][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 11.489393][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.489667][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.489935][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 11.490252][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 11.490481][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 11.490774][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 11.491022][ 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)) 
[ 11.491208][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 11.491446][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 11.491687][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 11.491923][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 11.492167][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 11.492412][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 11.492731][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 11.492974][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 11.493214][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.493451][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.493681][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 11.493918][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 11.494159][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 11.494403][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.494634][ 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) 
[ 11.494871][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 11.495224][ T228] device_add (drivers/base/core.c:3672) 
[ 11.495606][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 11.496018][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 11.496438][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 11.496798][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 11.497093][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.497321][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 11.497598][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.497830][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 11.498078][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 11.498270][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 11.498503][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.498730][ 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) 
[ 11.498982][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 11.499223][ T228] ksys_write (fs/read_write.c:731) 
[ 11.499397][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 11.499637][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 11.499884][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.500137][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.500433][  T228] RIP: 0033:0x7f04431fbb77
[ 11.500669][ 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
[   11.501489][  T228] RSP: 002b:00007ffe2b0ff618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.501834][  T228] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04431fbb77
[   11.502201][  T228] RDX: 0000000000000007 RSI: 000055a1dea6eac0 RDI: 0000000000000001
[   11.502541][  T228] RBP: 000055a1dea6eac0 R08: 0000000000000003 R09: 0000000000000077
[   11.502885][  T228] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   11.503245][  T228] R13: 00007f04432b7760 R14: 0000000000000007 R15: 00007f04432b29c0
| [   11.776847][  T253] ------------[ cut here ]------------
| [ 11.777645][ T253] WARNING: CPU: 2 PID: 253 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) 
| [   11.778078][  T253] Modules linked in: netdevsim
| [   11.778845][  T253] Tainted: [W]=WARN
[   11.779058][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.779384][ T253] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.779695][ T253] 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
[   11.780554][  T253] RSP: 0018:ffffc900004e71e8 EFLAGS: 00010246
[   11.780867][  T253] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.781249][  T253] RDX: 0000000000000000 RSI: ffff88800e8fac98 RDI: ffff888009262dc0
[   11.781604][  T253] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   11.781959][  T253] R10: ffffffffb57ec1e7 R11: ffff888009262300 R12: 0000000000000000
[   11.782330][  T253] R13: ffff88800e8fa128 R14: ffff88800e8fa008 R15: ffff88800e8fa000
[   11.782691][  T253] FS:  00007fa55bf9c800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   11.783100][  T253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.783417][  T253] CR2: 00007fa55c0db440 CR3: 000000000899e001 CR4: 0000000000772ef0
[   11.783954][  T253] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.784344][  T253] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.784734][  T253] PKRU: 55555554
[   11.784933][  T253] Call Trace:
[   11.785177][  T253]  <TASK>
[ 11.785313][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.785580][ T253] ? __warn (kernel/panic.c:748) 
[ 11.785837][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.786119][ T253] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.786397][ T253] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.786600][ T253] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.786847][ T253] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.787107][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.787378][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.787654][ T253] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.787973][ T253] ? _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) 
[ 11.788248][ T253] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.788519][ T253] register_netdevice (net/core/dev.c:11003) 
[ 11.788782][ T253] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.789046][ T253] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.789338][ T253] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.789657][ T253] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.789974][ T253] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.790305][ T253] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.790619][ T253] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.790933][ T253] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.791261][ T253] devlink_reload (net/devlink/dev.c:474) 
[ 11.791514][ T253] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.791758][ T253] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 11.792016][ T253] ? cap_capable (security/commoncap.c:131) 
[ 11.792282][ T253] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 11.792486][ T253] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.792760][ T253] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.793072][ T253] ? __nla_parse (lib/nlattr.c:732) 
[ 11.793344][ T253] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.793594][ T253] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.793920][ T253] ? cap_capable (security/commoncap.c:131) 
[ 11.794162][ T253] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.794435][ T253] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.794685][ T253] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.794930][ T253] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.795242][ T253] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.795542][ T253] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.795863][ T253] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.796111][ T253] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.796382][ T253] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.796639][ T253] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.796903][ T253] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.797098][ T253] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.797365][ T253] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.797636][ T253] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.797827][ T253] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.798086][ T253] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.798348][ T253] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.798613][ T253] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.798869][ T253] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.799109][ T253] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.799372][ T253] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.799626][ T253] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.799873][ T253] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.800124][ T253] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.800390][ T253] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 11.800653][ T253] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 11.800906][ T253] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 11.801217][ T253] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 11.801472][ T253] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 11.801789][ T253] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 11.802042][ T253] __x64_sys_sendto (net/socket.c:2181) 
[ 11.802312][ T253] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.802618][ T253] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.802868][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.803164][  T253] RIP: 0033:0x7fa55c1a8a4a
[ 11.803437][ T253] Code: Unable to access opcode bytes at 0x7fa55c1a8a20.

Code starting with the faulting instruction
===========================================
[   11.803772][  T253] RSP: 002b:00007ffdb8815038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.804132][  T253] RAX: ffffffffffffffda RBX: 0000000039782b00 RCX: 00007fa55c1a8a4a
[   11.804499][  T253] RDX: 0000000000000040 RSI: 0000000039782b00 RDI: 0000000000000005
[   11.804853][  T253] RBP: 0000000039782910 R08: 00007fa55c34c200 R09: 000000000000000c
[   11.805238][  T253] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.805593][  T253] R13: 0000000039782910 R14: 0000000000000000 R15: 0000000000000001
| [   12.919080][  T282] ------------[ cut here ]------------
| [ 12.919389][ T282] WARNING: CPU: 2 PID: 282 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.919796][  T282] Modules linked in: netdevsim
| [   12.920419][  T282] Tainted: [W]=WARN
[   12.920582][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.920831][ T282] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.921092][ T282] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.921844][  T282] RSP: 0018:ffffc900005f71e8 EFLAGS: 00010246
[   12.922101][  T282] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.922431][  T282] RDX: 0000000000000000 RSI: ffff88800e702c98 RDI: ffff88800b7bd080
[   12.922731][  T282] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   12.923028][  T282] R10: ffffffffb57ec1e7 R11: ffff88800b7bc5c0 R12: 0000000000000000
[   12.923355][  T282] R13: ffff88800e702128 R14: ffff88800e702008 R15: ffff88800e702000
[   12.923653][  T282] FS:  00007fb30607f800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   12.923990][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.924269][  T282] CR2: 00007fb30642f200 CR3: 000000000bede004 CR4: 0000000000772ef0
[   12.924573][  T282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.924864][  T282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.925156][  T282] PKRU: 55555554
[   12.925380][  T282] Call Trace:
[   12.925544][  T282]  <TASK>
[ 12.925658][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.925865][ T282] ? __warn (kernel/panic.c:748) 
[ 12.926030][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.926262][ T282] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.926483][ T282] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.926641][ T282] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.926846][ T282] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.927061][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.927298][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.927517][ T282] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.927796][ T282] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 12.928006][ T282] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.928234][ T282] register_netdevice (net/core/dev.c:11003) 
[ 12.928446][ T282] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.928666][ T282] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.928891][ T282] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.929154][ T282] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.929434][ T282] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.929709][ T282] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.929987][ T282] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.930266][ T282] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.930526][ T282] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 12.930740][ T282] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 12.931005][ T282] devlink_reload (net/devlink/dev.c:474) 
[ 12.931231][ T282] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.931442][ T282] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 12.931704][ T282] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.931915][ T282] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.932176][ T282] ? __nla_parse (lib/nlattr.c:732) 
[ 12.932407][ T282] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.932624][ T282] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.932910][ T282] ? cap_capable (security/commoncap.c:131) 
[ 12.933130][ T282] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.933365][ T282] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.933591][ T282] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.933810][ T282] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.934080][ T282] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.934367][ T282] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.934658][ T282] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.934881][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.935106][ T282] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.935342][ T282] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.935576][ T282] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.935744][ T282] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.935963][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.936201][ T282] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.936373][ T282] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.936597][ T282] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.936817][ T282] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.937045][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.937278][ T282] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.937497][ T282] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.937731][ T282] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.937963][ T282] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.938200][ T282] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.938421][ T282] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 12.938646][ T282] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 12.938878][ T282] ? __sys_recvmsg (net/socket.c:2859) 
[ 12.939095][ T282] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 12.939327][ T282] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 12.939609][ T282] __x64_sys_sendto (net/socket.c:2181) 
[ 12.939824][ T282] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.940074][ T282] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.940294][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.940550][  T282] RIP: 0033:0x7fb30628ba4a
[ 12.940765][ T282] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   12.941459][  T282] RSP: 002b:00007fff5c8aac58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.941766][  T282] RAX: ffffffffffffffda RBX: 00000000024a3b00 RCX: 00007fb30628ba4a
[   12.942061][  T282] RDX: 0000000000000038 RSI: 00000000024a3b00 RDI: 0000000000000005
[   12.942368][  T282] RBP: 00000000024a3910 R08: 00007fb30642f200 R09: 000000000000000c
[   12.942699][  T282] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.942999][  T282] R13: 00000000024a3910 R14: 0000000000000000 R15: 0000000000000003
| [   13.617346][  T292] ------------[ cut here ]------------
| [ 13.617698][ T292] WARNING: CPU: 2 PID: 292 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) 
| [   13.618146][  T292] Modules linked in: netdevsim
| [   13.618896][  T292] Tainted: [W]=WARN
[   13.619109][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.619413][ T292] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.619718][ T292] 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
[   13.620476][  T292] RSP: 0018:ffffc900006371e8 EFLAGS: 00010246
[   13.620750][  T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.621118][  T292] RDX: 0000000000000000 RSI: ffff88800e722c98 RDI: ffff888005868b00
[   13.621451][  T292] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   13.621774][  T292] R10: ffffffffb57ec1e7 R11: ffff888005868040 R12: 0000000000000000
[   13.622097][  T292] R13: ffff88800e722128 R14: ffff88800e722008 R15: ffff88800e722000
[   13.622446][  T292] FS:  00007f22d4b58800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   13.622853][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.623143][  T292] CR2: 00007f22d4f08200 CR3: 000000000a236006 CR4: 0000000000772ef0
[   13.623489][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.623820][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.624133][  T292] PKRU: 55555554
[   13.624318][  T292] Call Trace:
[   13.624489][  T292]  <TASK>
[ 13.624607][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.624825][ T292] ? __warn (kernel/panic.c:748) 
[ 13.624996][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.625232][ T292] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.625458][ T292] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.625625][ T292] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.625842][ T292] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.626071][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.626333][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.626559][ T292] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.626834][ T292] ? _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) 
[ 13.627086][ T292] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.627323][ T292] register_netdevice (net/core/dev.c:11003) 
[ 13.627554][ T292] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.627783][ T292] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.628018][ T292] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.628313][ T292] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.628603][ T292] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.628881][ T292] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.629156][ T292] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.629445][ T292] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.629712][ T292] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.629935][ T292] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.630263][ T292] devlink_reload (net/devlink/dev.c:474) 
[ 13.630489][ T292] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.630706][ T292] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.630982][ T292] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.631214][ T292] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.631490][ T292] ? __nla_parse (lib/nlattr.c:732) 
[ 13.631722][ T292] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.631955][ T292] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.632263][ T292] ? cap_capable (security/commoncap.c:131) 
[ 13.632492][ T292] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.632725][ T292] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.632958][ T292] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.633200][ T292] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.633482][ T292] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.633754][ T292] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.634046][ T292] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.634286][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.634512][ T292] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.634741][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.634988][ T292] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.635163][ T292] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.635402][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.635638][ T292] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.635805][ T292] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.636040][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.636283][ T292] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.636516][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.636753][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.636972][ T292] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.637210][ T292] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.637450][ T292] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.637700][ T292] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.637937][ T292] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 13.638172][ T292] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.638414][ T292] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.638671][ T292] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.638903][ T292] __x64_sys_sendto (net/socket.c:2181) 
[ 13.639124][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.639405][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.639626][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.639889][  T292] RIP: 0033:0x7f22d4d64a4a
[ 13.640116][ T292] 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
[   13.641025][  T292] RSP: 002b:00007ffeeca71c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.641570][  T292] RAX: ffffffffffffffda RBX: 0000000001aefb00 RCX: 00007f22d4d64a4a
[   13.642090][  T292] RDX: 0000000000000038 RSI: 0000000001aefb00 RDI: 0000000000000005
[   13.642578][  T292] RBP: 0000000001aef910 R08: 00007f22d4f08200 R09: 000000000000000c
[   13.642891][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.643212][  T292] R13: 0000000001aef910 R14: 0000000000000000 R15: 0000000000000003
| [   15.241531][  T337] ------------[ cut here ]------------
| [ 15.241800][ T337] WARNING: CPU: 3 PID: 337 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) 
| [   15.242235][  T337] Modules linked in: netdevsim
| [   15.242843][  T337] Tainted: [W]=WARN
[   15.242999][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.243277][ T337] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.243545][ T337] 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
[   15.244285][  T337] RSP: 0018:ffffc900008071e8 EFLAGS: 00010246
[   15.244544][  T337] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   15.244849][  T337] RDX: 0000000000000000 RSI: ffff88800e902c98 RDI: ffff88800e850b00
[   15.245155][  T337] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   15.245469][  T337] R10: ffffffffb57ec1e7 R11: ffff88800e850040 R12: 0000000000000000
[   15.245775][  T337] R13: ffff88800e902128 R14: ffff88800e902008 R15: ffff88800e902000
[   15.246076][  T337] FS:  00007f4bd1817800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[   15.246439][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.246692][  T337] CR2: 00007f4bd1bc7200 CR3: 00000000096f2005 CR4: 0000000000772ef0
[   15.246993][  T337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   15.247303][  T337] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   15.247613][  T337] PKRU: 55555554
[   15.247767][  T337] Call Trace:
[   15.247921][  T337]  <TASK>
[ 15.248027][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.248242][ T337] ? __warn (kernel/panic.c:748) 
[ 15.248402][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.248611][ T337] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 15.248822][ T337] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 15.248979][ T337] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 15.249185][ T337] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 15.249425][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.249631][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 15.249842][ T337] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 15.250108][ T337] ? _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) 
[ 15.250325][ T337] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 15.250537][ T337] register_netdevice (net/core/dev.c:11003) 
[ 15.250748][ T337] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 15.250970][ T337] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 15.251204][ T337] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 15.251473][ T337] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 15.251744][ T337] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 15.252013][ T337] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 15.252293][ T337] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 15.252553][ T337] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 15.252809][ T337] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 15.253015][ T337] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 15.253296][ T337] devlink_reload (net/devlink/dev.c:474) 
[ 15.253508][ T337] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 15.253719][ T337] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 15.253981][ T337] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 15.254198][ T337] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.254456][ T337] ? __nla_parse (lib/nlattr.c:732) 
[ 15.254670][ T337] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 15.254883][ T337] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 15.255150][ T337] ? cap_capable (security/commoncap.c:131) 
[ 15.255362][ T337] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 15.255574][ T337] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 15.255783][ T337] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 15.255989][ T337] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 15.256252][ T337] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.256513][ T337] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 15.256779][ T337] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 15.256986][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 15.257207][ T337] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 15.257415][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 15.257644][ T337] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 15.257799][ T337] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 15.258004][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 15.258230][ T337] genl_rcv (net/netlink/genetlink.c:1220) 
[ 15.258390][ T337] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 15.258601][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 15.258806][ T337] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.259018][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 15.259239][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 15.259442][ T337] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 15.259652][ T337] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 15.259868][ T337] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 15.260074][ T337] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 15.260308][ T337] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 15.260519][ T337] ? __sys_recvmsg (net/socket.c:2859) 
[ 15.260722][ T337] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 15.260938][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 15.261147][ T337] __x64_sys_sendto (net/socket.c:2181) 
[ 15.261365][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 15.261622][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 15.261828][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.262079][  T337] RIP: 0033:0x7f4bd1a23a4a
[ 15.262301][ T337] 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
[   15.263004][  T337] RSP: 002b:00007ffe83cbfef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.263317][  T337] RAX: ffffffffffffffda RBX: 0000000037edcb00 RCX: 00007f4bd1a23a4a
[   15.263627][  T337] RDX: 0000000000000038 RSI: 0000000037edcb00 RDI: 0000000000000005
[   15.263920][  T337] RBP: 0000000037edc910 R08: 00007f4bd1bc7200 R09: 000000000000000c
[   15.264223][  T337] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   15.264519][  T337] R13: 0000000037edc910 R14: 0000000000000000 R15: 0000000000000003
| [   16.023022][  T348] ------------[ cut here ]------------
| [ 16.023352][ T348] WARNING: CPU: 2 PID: 348 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) 
| [   16.023746][  T348] Modules linked in: netdevsim
| [   16.024352][  T348] Tainted: [W]=WARN
[   16.024515][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.024771][ T348] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.025039][ T348] 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
[   16.025719][  T348] RSP: 0018:ffffc900008571e8 EFLAGS: 00010246
[   16.025969][  T348] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.026309][  T348] RDX: 0000000000000000 RSI: ffff88800e6fac98 RDI: ffff888008aa2dc0
[   16.026601][  T348] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   16.026890][  T348] R10: ffffffffb57ec1e7 R11: ffff888008aa2300 R12: 0000000000000000
[   16.027180][  T348] R13: ffff88800e6fa128 R14: ffff88800e6fa008 R15: ffff88800e6fa000
[   16.027490][  T348] FS:  00007f28a8ace800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   16.027840][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.028091][  T348] CR2: 00007f28a8e7e200 CR3: 000000000bff6002 CR4: 0000000000772ef0
[   16.028590][  T348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.029098][  T348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.029623][  T348] PKRU: 55555554
[   16.029892][  T348] Call Trace:
[   16.030144][  T348]  <TASK>
[ 16.030357][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.030672][ T348] ? __warn (kernel/panic.c:748) 
[ 16.030910][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.031269][ T348] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.031611][ T348] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.031866][ T348] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.032215][ T348] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.032567][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.032895][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.033252][ T348] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.033665][ T348] ? _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) 
[ 16.034002][ T348] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.034375][ T348] register_netdevice (net/core/dev.c:11003) 
[ 16.034714][ T348] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.035059][ T348] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.035437][ T348] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.035864][ T348] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.036327][ T348] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.036757][ T348] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.037176][ T348] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.037624][ T348] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.038032][ T348] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.038391][ T348] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.038828][ T348] devlink_reload (net/devlink/dev.c:474) 
[ 16.039164][ T348] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.039527][ T348] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.039951][ T348] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.040312][ T348] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.040723][ T348] ? __nla_parse (lib/nlattr.c:732) 
[ 16.041116][ T348] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.041470][ T348] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.041863][ T348] ? cap_capable (security/commoncap.c:131) 
[ 16.042170][ T348] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.042554][ T348] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.042893][ T348] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.043220][ T348] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.043586][ T348] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.043945][ T348] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.044345][ T348] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.044647][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.044946][ T348] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.045307][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.045687][ T348] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.045952][ T348] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.046346][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.046710][ T348] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.046976][ T348] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.047353][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.047714][ T348] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.048071][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.048462][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.048806][ T348] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.049150][ T348] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.049539][ T348] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.049885][ T348] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.050286][ T348] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.050640][ T348] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.050978][ T348] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.051379][ T348] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.051735][ T348] __x64_sys_sendto (net/socket.c:2181) 
[ 16.052076][ T348] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.052521][ T348] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.052866][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.053300][  T348] RIP: 0033:0x7f28a8cdaa4a
[ 16.053650][ T348] 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
[   16.054817][  T348] RSP: 002b:00007ffc5f43dd38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.055340][  T348] RAX: ffffffffffffffda RBX: 000000002045eb00 RCX: 00007f28a8cdaa4a
[   16.055831][  T348] RDX: 0000000000000038 RSI: 000000002045eb00 RDI: 0000000000000005
[   16.056354][  T348] RBP: 000000002045e910 R08: 00007f28a8e7e200 R09: 000000000000000c
[   16.056843][  T348] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.057356][  T348] R13: 000000002045e910 R14: 0000000000000000 R15: 0000000000000003
| [   18.276162][  T409] ------------[ cut here ]------------
| [ 18.276518][ T409] WARNING: CPU: 2 PID: 409 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) 
| [   18.277019][  T409] Modules linked in: netdevsim
| [   18.277786][  T409] Tainted: [W]=WARN
[   18.277985][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.278278][ T409] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.278577][ T409] 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
[   18.279512][  T409] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   18.279835][  T409] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.280204][  T409] RDX: 0000000000000000 RSI: ffff888009b6ac98 RDI: ffff888008aa0b00
[   18.280562][  T409] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   18.280926][  T409] R10: ffffffffb57ec1e7 R11: ffff888008aa0040 R12: 0000000000000000
[   18.281381][  T409] R13: ffff888009b6a128 R14: ffff888009b6a008 R15: ffff888009b6a000
[   18.281777][  T409] FS:  00007f69f210f800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   18.282244][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.282584][  T409] CR2: 000055a1ad89adec CR3: 000000000a1cc004 CR4: 0000000000772ef0
[   18.282954][  T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.283330][  T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.283734][  T409] PKRU: 55555554
[   18.283916][  T409] Call Trace:
[   18.284122][  T409]  <TASK>
[ 18.284278][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.284503][ T409] ? __warn (kernel/panic.c:748) 
[ 18.284706][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.284952][ T409] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.285246][ T409] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.285446][ T409] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.285711][ T409] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.285991][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.286296][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.286567][ T409] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.286872][ T409] ? _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) 
[ 18.287141][ T409] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.287425][ T409] register_netdevice (net/core/dev.c:11003) 
[ 18.287690][ T409] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.287966][ T409] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.288264][ T409] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.288617][ T409] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.288954][ T409] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.289303][ T409] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.289622][ T409] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.289953][ T409] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.290251][ T409] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.290522][ T409] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.290890][ T409] devlink_reload (net/devlink/dev.c:474) 
[ 18.291156][ T409] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.291449][ T409] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.291780][ T409] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.292047][ T409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.292319][ T409] ? __nla_parse (lib/nlattr.c:732) 
[ 18.292539][ T409] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.292746][ T409] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.293035][ T409] ? cap_capable (security/commoncap.c:131) 
[ 18.293303][ T409] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.293581][ T409] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.293812][ T409] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.294064][ T409] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.294386][ T409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.294706][ T409] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.295027][ T409] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.295315][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.295584][ T409] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.295857][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.296131][ T409] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.296346][ T409] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.296598][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.296829][ T409] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.297047][ T409] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.297365][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.297671][ T409] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.297890][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.298124][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.298337][ T409] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.298543][ T409] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.298754][ T409] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.298966][ T409] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.299177][ T409] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.299401][ T409] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.299605][ T409] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.299815][ T409] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.300023][ T409] __x64_sys_sendto (net/socket.c:2181) 
[ 18.300232][ T409] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.300484][ T409] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.300686][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.300936][  T409] RIP: 0033:0x7f69f231ba4a
[ 18.301148][ T409] 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
[   18.301819][  T409] RSP: 002b:00007ffff38e74c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.302115][  T409] RAX: ffffffffffffffda RBX: 00000000049ebb00 RCX: 00007f69f231ba4a
[   18.302420][  T409] RDX: 0000000000000038 RSI: 00000000049ebb00 RDI: 0000000000000005
[   18.302744][  T409] RBP: 00000000049eb910 R08: 00007f69f24bf200 R09: 000000000000000c
[   18.303081][  T409] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.303432][  T409] R13: 00000000049eb910 R14: 0000000000000000 R15: 0000000000000003
| [   18.967886][  T420] ------------[ cut here ]------------
| [ 18.968174][ T420] WARNING: CPU: 0 PID: 420 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) 
| [   18.968664][  T420] Modules linked in: netdevsim
| [   18.969389][  T420] Tainted: [W]=WARN
[   18.969622][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.969872][ T420] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.970299][ T420] 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
[   18.971351][  T420] RSP: 0018:ffffc90000ba71e8 EFLAGS: 00010246
[   18.971751][  T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.972409][  T420] RDX: 0000000000000000 RSI: ffff88800e8fac98 RDI: ffff88800a120b00
[   18.972874][  T420] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   18.973529][  T420] R10: ffffffffb57ec1e7 R11: ffff88800a120040 R12: 0000000000000000
[   18.974018][  T420] R13: ffff88800e8fa128 R14: ffff88800e8fa008 R15: ffff88800e8fa000
[   18.974665][  T420] FS:  00007f0af9175800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   18.975265][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.975652][  T420] CR2: 00007f0af9525200 CR3: 0000000008d30002 CR4: 0000000000772ef0
[   18.976109][  T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.976594][  T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.977064][  T420] PKRU: 55555554
[   18.977318][  T420] Call Trace:
[   18.977557][  T420]  <TASK>
[ 18.977716][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.978066][ T420] ? __warn (kernel/panic.c:748) 
[ 18.978328][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.978623][ T420] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.978828][ T420] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.978973][ T420] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.979179][ T420] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.979453][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.979672][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.979891][ T420] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.980175][ T420] ? _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) 
[ 18.980462][ T420] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.980661][ T420] register_netdevice (net/core/dev.c:11003) 
[ 18.980919][ T420] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.981121][ T420] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.981351][ T420] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.981609][ T420] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.981928][ T420] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.982266][ T420] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.982536][ T420] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.982844][ T420] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.983084][ T420] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.983326][ T420] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.983662][ T420] devlink_reload (net/devlink/dev.c:474) 
[ 18.983861][ T420] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.984056][ T420] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.984320][ T420] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.984539][ T420] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.984781][ T420] ? __nla_parse (lib/nlattr.c:732) 
[ 18.984981][ T420] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.985182][ T420] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.985535][ T420] ? cap_capable (security/commoncap.c:131) 
[ 18.985727][ T420] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.985925][ T420] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.986117][ T420] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.986326][ T420] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.986587][ T420] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.986822][ T420] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.987069][ T420] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.987288][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.987501][ T420] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.987779][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.987984][ T420] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.988138][ T420] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.988373][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.988613][ T420] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.988756][ T420] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.989000][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.989226][ T420] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.989478][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.989694][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.989917][ T420] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.990152][ T420] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.990443][ T420] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.990677][ T420] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.990906][ T420] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.991134][ T420] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.991389][ T420] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.991592][ T420] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.991853][ T420] __x64_sys_sendto (net/socket.c:2181) 
[ 18.992049][ T420] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.992301][ T420] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.992517][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.992822][  T420] RIP: 0033:0x7f0af9381a4a
[ 18.993067][ T420] 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
[   18.993951][  T420] RSP: 002b:00007fff42ec8878 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.994390][  T420] RAX: ffffffffffffffda RBX: 00000000242a4b00 RCX: 00007f0af9381a4a
[   18.994768][  T420] RDX: 0000000000000038 RSI: 00000000242a4b00 RDI: 0000000000000005
[   18.995132][  T420] RBP: 00000000242a4910 R08: 00007f0af9525200 R09: 000000000000000c
[   18.995490][  T420] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.995871][  T420] R13: 00000000242a4910 R14: 0000000000000000 R15: 0000000000000003
| [   20.195727][  T453] ------------[ cut here ]------------
| [ 20.196005][ T453] WARNING: CPU: 2 PID: 453 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) 
| [   20.196675][  T453] Modules linked in: netdevsim
| [   20.197273][  T453] Tainted: [W]=WARN
[   20.197432][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.197695][ T453] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.197951][ T453] 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
[   20.198649][  T453] RSP: 0018:ffffc90000cc71e8 EFLAGS: 00010246
[   20.198910][  T453] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   20.199238][  T453] RDX: 0000000000000000 RSI: ffff88800e702c98 RDI: ffff888008cfadc0
[   20.199534][  T453] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   20.199829][  T453] R10: ffffffffb57ec1e7 R11: ffff888008cfa300 R12: 0000000000000000
[   20.200123][  T453] R13: ffff88800e702128 R14: ffff88800e702008 R15: ffff88800e702000
[   20.200443][  T453] FS:  00007f89220d9800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   20.200784][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.201035][  T453] CR2: 00007f8922489200 CR3: 0000000005594002 CR4: 0000000000772ef0
[   20.201363][  T453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.201665][  T453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.201962][  T453] PKRU: 55555554
[   20.202119][  T453] Call Trace:
[   20.202305][  T453]  <TASK>
[ 20.202421][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.202627][ T453] ? __warn (kernel/panic.c:748) 
[ 20.202788][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.202993][ T453] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 20.203231][ T453] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 20.203399][ T453] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 20.203602][ T453] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 20.203820][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.204025][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 20.204263][ T453] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 20.204519][ T453] ? _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) 
[ 20.204731][ T453] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 20.204939][ T453] register_netdevice (net/core/dev.c:11003) 
[ 20.205148][ T453] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 20.205398][ T453] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 20.205623][ T453] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 20.205885][ T453] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 20.206153][ T453] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 20.206446][ T453] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 20.206707][ T453] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 20.206962][ T453] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 20.207244][ T453] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 20.207452][ T453] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 20.207728][ T453] devlink_reload (net/devlink/dev.c:474) 
[ 20.207938][ T453] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 20.208146][ T453] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 20.208433][ T453] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 20.208641][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 20.208893][ T453] ? __nla_parse (lib/nlattr.c:732) 
[ 20.209106][ T453] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 20.209342][ T453] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 20.209610][ T453] ? cap_capable (security/commoncap.c:131) 
[ 20.209811][ T453] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 20.210024][ T453] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 20.210262][ T453] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 20.210473][ T453] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 20.210716][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 20.210965][ T453] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 20.211257][ T453] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 20.211465][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 20.211669][ T453] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 20.211876][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 20.212092][ T453] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 20.212280][ T453] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 20.212484][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 20.212699][ T453] genl_rcv (net/netlink/genetlink.c:1220) 
[ 20.212855][ T453] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 20.213058][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 20.213299][ T453] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 20.213514][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 20.213723][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 20.213922][ T453] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 20.214128][ T453] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 20.214370][ T453] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 20.214581][ T453] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 20.214799][ T453] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 20.215011][ T453] ? __sys_recvmsg (net/socket.c:2859) 
[ 20.215241][ T453] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 20.215456][ T453] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 20.215668][ T453] __x64_sys_sendto (net/socket.c:2181) 
[ 20.215873][ T453] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 20.216118][ T453] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 20.216348][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.216596][  T453] RIP: 0033:0x7f89222e5a4a
[ 20.216809][ T453] 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
[   20.217513][  T453] RSP: 002b:00007fff0998e788 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.217838][  T453] RAX: ffffffffffffffda RBX: 000000000c36eb00 RCX: 00007f89222e5a4a
[   20.218128][  T453] RDX: 0000000000000038 RSI: 000000000c36eb00 RDI: 0000000000000005
[   20.218461][  T453] RBP: 000000000c36e910 R08: 00007f8922489200 R09: 000000000000000c
[   20.218754][  T453] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   20.219045][  T453] R13: 000000000c36e910 R14: 0000000000000000 R15: 0000000000000003
| [   21.240729][  T469] ------------[ cut here ]------------
| [ 21.241030][ T469] WARNING: CPU: 2 PID: 469 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) 
| [   21.241509][  T469] Modules linked in: netdevsim
| [   21.242132][  T469] Tainted: [W]=WARN
[   21.242349][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.242603][ T469] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.242889][ T469] 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
[   21.243631][  T469] RSP: 0018:ffffc90000d271e8 EFLAGS: 00010246
[   21.243910][  T469] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   21.244238][  T469] RDX: 0000000000000000 RSI: ffff88800e722c98 RDI: ffff888004e60b00
[   21.244562][  T469] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[   21.244870][  T469] R10: ffffffffb57ec1e7 R11: ffff888004e60040 R12: 0000000000000000
[   21.245167][  T469] R13: ffff88800e722128 R14: ffff88800e722008 R15: ffff88800e722000
[   21.245474][  T469] FS:  00007f68d8a70800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   21.245816][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.246073][  T469] CR2: 00007f68d8e20200 CR3: 0000000004f48001 CR4: 0000000000772ef0
[   21.246381][  T469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.246692][  T469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.246991][  T469] PKRU: 55555554
[   21.247164][  T469] Call Trace:
[   21.247342][  T469]  <TASK>
[ 21.247459][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.247674][ T469] ? __warn (kernel/panic.c:748) 
[ 21.247836][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.248045][ T469] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 21.248267][ T469] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 21.248429][ T469] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 21.248634][ T469] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 21.248853][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.249090][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 21.249315][ T469] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 21.249570][ T469] ? _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) 
[ 21.249800][ T469] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 21.250021][ T469] register_netdevice (net/core/dev.c:11003) 
[ 21.250259][ T469] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 21.250483][ T469] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 21.250723][ T469] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 21.251001][ T469] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 21.251314][ T469] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 21.251604][ T469] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 21.251888][ T469] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 21.252172][ T469] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 21.252447][ T469] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 21.252652][ T469] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 21.252947][ T469] devlink_reload (net/devlink/dev.c:474) 
[ 21.253160][ T469] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 21.253412][ T469] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 21.253702][ T469] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 21.253915][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.254166][ T469] ? __nla_parse (lib/nlattr.c:732) 
[ 21.254403][ T469] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 21.254632][ T469] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 21.254916][ T469] ? cap_capable (security/commoncap.c:131) 
[ 21.255119][ T469] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 21.255357][ T469] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 21.255578][ T469] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 21.255788][ T469] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 21.256038][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.256302][ T469] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 21.256566][ T469] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 21.256788][ T469] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 21.256994][ T469] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 21.257215][ T469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 21.257435][ T469] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 21.257615][ T469] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 21.257830][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 21.258045][ T469] genl_rcv (net/netlink/genetlink.c:1220) 
[ 21.258218][ T469] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 21.258438][ T469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 21.258642][ T469] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 21.258855][ T469] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 21.259070][ T469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 21.259317][ T469] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 21.259527][ T469] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 21.259749][ T469] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 21.259964][ T469] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 21.260179][ T469] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 21.260408][ T469] ? __sys_recvmsg (net/socket.c:2859) 
[ 21.260615][ T469] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 21.260861][ T469] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 21.261074][ T469] __x64_sys_sendto (net/socket.c:2181) 
[ 21.261297][ T469] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 21.261549][ T469] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 21.261765][ T469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.262014][  T469] RIP: 0033:0x7f68d8c7ca4a
[ 21.262243][ T469] 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
[   21.262952][  T469] RSP: 002b:00007ffff5064668 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.263281][  T469] RAX: ffffffffffffffda RBX: 0000000024faab00 RCX: 00007f68d8c7ca4a
[   21.263582][  T469] RDX: 0000000000000038 RSI: 0000000024faab00 RDI: 0000000000000005
[   21.263914][  T469] RBP: 0000000024faa910 R08: 00007f68d8e20200 R09: 000000000000000c
[   21.264225][  T469] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   21.264551][  T469] R13: 0000000024faa910 R14: 0000000000000000 R15: 0000000000000003
| [  295.043826][  T981] ------------[ cut here ]------------
| [ 295.044135][ T981] WARNING: CPU: 1 PID: 981 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) 
| [  295.044550][  T981] Modules linked in: netdevsim
| [  295.045178][  T981] Tainted: [W]=WARN
[  295.045338][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 295.045597][ T981] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.045856][ T981] 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
[  295.046666][  T981] RSP: 0018:ffffc90001e271e8 EFLAGS: 00010246
[  295.046919][  T981] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  295.047222][  T981] RDX: 0000000000000000 RSI: ffff88800e902c98 RDI: ffff88800a3fadc0
[  295.047571][  T981] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  295.047875][  T981] R10: ffffffffb57ec1e7 R11: ffff88800a3fa300 R12: 0000000000000000
[  295.048166][  T981] R13: ffff88800e902128 R14: ffff88800e902008 R15: ffff88800e902000
[  295.048482][  T981] FS:  00007ffb5550a800(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[  295.048824][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  295.049090][  T981] CR2: 000055f2e70f2050 CR3: 000000000b532004 CR4: 0000000000772ef0
[  295.049432][  T981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  295.049754][  T981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  295.050063][  T981] PKRU: 55555554
[  295.050230][  T981] Call Trace:
[  295.050387][  T981]  <TASK>
[ 295.050494][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.050704][ T981] ? __warn (kernel/panic.c:748) 
[ 295.050866][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.051076][ T981] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 295.051297][ T981] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 295.051456][ T981] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 295.051664][ T981] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 295.051885][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.052099][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 295.052321][ T981] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 295.052591][ T981] ? _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) 
[ 295.052821][ T981] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 295.053035][ T981] register_netdevice (net/core/dev.c:11003) 
[ 295.053260][ T981] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 295.053475][ T981] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 295.053700][ T981] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 295.053963][ T981] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 295.054233][ T981] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 295.054487][ T981] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 295.054768][ T981] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 295.055027][ T981] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 295.055292][ T981] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 295.055490][ T981] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 295.055778][ T981] devlink_reload (net/devlink/dev.c:474) 
[ 295.055977][ T981] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 295.056223][ T981] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 295.056481][ T981] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 295.056703][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.056988][ T981] ? __nla_parse (lib/nlattr.c:732) 
[ 295.057220][ T981] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 295.057439][ T981] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 295.057693][ T981] ? cap_capable (security/commoncap.c:131) 
[ 295.057890][ T981] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 295.058105][ T981] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 295.058332][ T981] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 295.058545][ T981] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 295.058801][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.059105][ T981] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 295.059384][ T981] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 295.059596][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 295.059800][ T981] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 295.060049][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 295.060294][ T981] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 295.060457][ T981] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 295.060667][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 295.060884][ T981] genl_rcv (net/netlink/genetlink.c:1220) 
[ 295.061087][ T981] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 295.061313][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 295.061522][ T981] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 295.061739][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 295.061977][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 295.062217][ T981] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 295.062428][ T981] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 295.062646][ T981] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 295.062876][ T981] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 295.063127][ T981] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 295.063354][ T981] ? __sys_recvmsg (net/socket.c:2859) 
[ 295.063566][ T981] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 295.063786][ T981] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 295.064001][ T981] __x64_sys_sendto (net/socket.c:2181) 
[ 295.064215][ T981] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 295.064470][ T981] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 295.064676][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  295.064920][  T981] RIP: 0033:0x7ffb55716a4a
[ 295.065131][ T981] 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
[  295.065817][  T981] RSP: 002b:00007fff613acdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  295.066142][  T981] RAX: ffffffffffffffda RBX: 000000002e1efb00 RCX: 00007ffb55716a4a
[  295.066455][  T981] RDX: 0000000000000038 RSI: 000000002e1efb00 RDI: 0000000000000005
[  295.066748][  T981] RBP: 000000002e1ef910 R08: 00007ffb558ba200 R09: 000000000000000c
[  295.067043][  T981] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  295.067347][  T981] R13: 000000002e1ef910 R14: 0000000000000000 R15: 0000000000000003
| [  295.916983][  T995] ------------[ cut here ]------------
| [ 295.917448][ T995] WARNING: CPU: 3 PID: 995 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) 
| [  295.918150][  T995] Modules linked in: netdevsim
| [  295.919135][  T995] Tainted: [W]=WARN
[  295.919434][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 295.919868][ T995] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.920319][ T995] 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
[  295.921501][  T995] RSP: 0018:ffffc90001e771e8 EFLAGS: 00010246
[  295.921951][  T995] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  295.922469][  T995] RDX: 0000000000000000 RSI: ffff88800e6fac98 RDI: ffff888008cfadc0
[  295.922958][  T995] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  295.923478][  T995] R10: ffffffffb57ec1e7 R11: ffff888008cfa300 R12: 0000000000000000
[  295.923980][  T995] R13: ffff88800e6fa128 R14: ffff88800e6fa008 R15: ffff88800e6fa000
[  295.924509][  T995] FS:  00007f3ab0ac6800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[  295.925069][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  295.925507][  T995] CR2: 00007f3ab0e76200 CR3: 0000000008920004 CR4: 0000000000772ef0
[  295.926013][  T995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  295.926559][  T995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  295.927062][  T995] PKRU: 55555554
[  295.927345][  T995] Call Trace:
[  295.927602][  T995]  <TASK>
[ 295.927774][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.928117][ T995] ? __warn (kernel/panic.c:748) 
[ 295.928404][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.928746][ T995] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 295.929076][ T995] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 295.929336][ T995] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 295.929653][ T995] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 295.929987][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.930345][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 295.930683][ T995] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 295.931119][ T995] ? _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) 
[ 295.931464][ T995] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 295.931796][ T995] register_netdevice (net/core/dev.c:11003) 
[ 295.932161][ T995] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 295.932526][ T995] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 295.932870][ T995] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 295.933311][ T995] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 295.933779][ T995] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 295.934224][ T995] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 295.934657][ T995] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 295.935049][ T995] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 295.935507][ T995] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 295.935832][ T995] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 295.936317][ T995] devlink_reload (net/devlink/dev.c:474) 
[ 295.936677][ T995] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 295.937038][ T995] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 295.937480][ T995] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 295.937834][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.938249][ T995] ? __nla_parse (lib/nlattr.c:732) 
[ 295.938597][ T995] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 295.938920][ T995] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 295.939383][ T995] ? cap_capable (security/commoncap.c:131) 
[ 295.939705][ T995] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 295.940036][ T995] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 295.940381][ T995] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 295.940741][ T995] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 295.941137][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.941556][ T995] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 295.942114][ T995] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 295.942461][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 295.942782][ T995] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 295.943129][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 295.943508][ T995] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 295.943753][ T995] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 295.944068][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 295.944428][ T995] genl_rcv (net/netlink/genetlink.c:1220) 
[ 295.944679][ T995] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 295.945011][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 295.945359][ T995] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 295.945698][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 295.946045][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 295.946415][ T995] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 295.946753][ T995] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 295.947104][ T995] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 295.947470][ T995] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 295.947840][ T995] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 295.948217][ T995] ? __sys_recvmsg (net/socket.c:2859) 
[ 295.948558][ T995] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 295.948941][ T995] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 295.949324][ T995] __x64_sys_sendto (net/socket.c:2181) 
[ 295.949675][ T995] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 295.950085][ T995] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 295.950444][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  295.950855][  T995] RIP: 0033:0x7f3ab0cd2a4a
[ 295.951238][ T995] 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
[  295.952470][  T995] RSP: 002b:00007fffe5c4de18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  295.952996][  T995] RAX: ffffffffffffffda RBX: 000000003499db00 RCX: 00007f3ab0cd2a4a
[  295.953529][  T995] RDX: 0000000000000038 RSI: 000000003499db00 RDI: 0000000000000005
[  295.954040][  T995] RBP: 000000003499d910 R08: 00007f3ab0e76200 R09: 000000000000000c
[  295.954587][  T995] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  295.955098][  T995] R13: 000000003499d910 R14: 0000000000000000 R15: 0000000000000003
| [  297.096330][ T1026] ------------[ cut here ]------------
| [ 297.096598][ T1026] WARNING: CPU: 1 PID: 1026 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) 
| [  297.097014][ T1026] Modules linked in: netdevsim
| [  297.097585][ T1026] Tainted: [W]=WARN
[  297.097730][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 297.097969][ T1026] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.098240][ T1026] 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
[  297.098899][ T1026] RSP: 0018:ffffc90001fa71e8 EFLAGS: 00010246
[  297.099142][ T1026] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  297.099453][ T1026] RDX: 0000000000000000 RSI: ffff888009b6ac98 RDI: ffff888008e5adc0
[  297.099734][ T1026] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  297.100053][ T1026] R10: ffffffffb57ec1e7 R11: ffff888008e5a300 R12: 0000000000000000
[  297.100369][ T1026] R13: ffff888009b6a128 R14: ffff888009b6a008 R15: ffff888009b6a000
[  297.100658][ T1026] FS:  00007f8d4907b800(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[  297.100999][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  297.101337][ T1026] CR2: 00007f8d4942b200 CR3: 000000000e9ee001 CR4: 0000000000772ef0
[  297.101653][ T1026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  297.101983][ T1026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  297.102300][ T1026] PKRU: 55555554
[  297.102472][ T1026] Call Trace:
[  297.102631][ T1026]  <TASK>
[ 297.102740][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.102956][ T1026] ? __warn (kernel/panic.c:748) 
[ 297.103118][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.103346][ T1026] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 297.103573][ T1026] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 297.103730][ T1026] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 297.103951][ T1026] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 297.104208][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.104432][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 297.104644][ T1026] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 297.104902][ T1026] ? _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) 
[ 297.105127][ T1026] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 297.105371][ T1026] register_netdevice (net/core/dev.c:11003) 
[ 297.105599][ T1026] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 297.105815][ T1026] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 297.106052][ T1026] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 297.106347][ T1026] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 297.106622][ T1026] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 297.106875][ T1026] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 297.107133][ T1026] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 297.107396][ T1026] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 297.107649][ T1026] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 297.107837][ T1026] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 297.108126][ T1026] devlink_reload (net/devlink/dev.c:474) 
[ 297.108337][ T1026] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 297.108540][ T1026] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 297.108784][ T1026] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 297.109004][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.109312][ T1026] ? __nla_parse (lib/nlattr.c:732) 
[ 297.109526][ T1026] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 297.109725][ T1026] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 297.109974][ T1026] ? cap_capable (security/commoncap.c:131) 
[ 297.110168][ T1026] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 297.110402][ T1026] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 297.110637][ T1026] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 297.110829][ T1026] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 297.111064][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.111316][ T1026] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 297.111572][ T1026] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 297.111783][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 297.111991][ T1026] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 297.112233][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 297.112439][ T1026] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 297.112599][ T1026] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 297.112802][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 297.113006][ T1026] genl_rcv (net/netlink/genetlink.c:1220) 
[ 297.113217][ T1026] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 297.113417][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 297.113622][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 297.113829][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 297.114039][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 297.114260][ T1026] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 297.114458][ T1026] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 297.114674][ T1026] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 297.114877][ T1026] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 297.115078][ T1026] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 297.115333][ T1026] ? __sys_recvmsg (net/socket.c:2859) 
[ 297.115541][ T1026] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 297.115764][ T1026] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 297.116027][ T1026] __x64_sys_sendto (net/socket.c:2181) 
[ 297.116267][ T1026] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 297.116527][ T1026] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 297.116740][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  297.116977][ T1026] RIP: 0033:0x7f8d49287a4a
[ 297.117174][ T1026] 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
[  297.117894][ T1026] RSP: 002b:00007ffe316a9e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  297.118200][ T1026] RAX: ffffffffffffffda RBX: 000000002a4d1b00 RCX: 00007f8d49287a4a
[  297.118499][ T1026] RDX: 0000000000000038 RSI: 000000002a4d1b00 RDI: 0000000000000005
[  297.118793][ T1026] RBP: 000000002a4d1910 R08: 00007f8d4942b200 R09: 000000000000000c
[  297.119084][ T1026] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  297.119381][ T1026] R13: 000000002a4d1910 R14: 0000000000000000 R15: 0000000000000003
| [  298.220456][ T1044] ------------[ cut here ]------------
| [ 298.220723][ T1044] WARNING: CPU: 0 PID: 1044 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) 
| [  298.221142][ T1044] Modules linked in: netdevsim
| [  298.221803][ T1044] Tainted: [W]=WARN
[  298.221956][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 298.222263][ T1044] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.222518][ T1044] 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
[  298.223201][ T1044] RSP: 0018:ffffc900020671e8 EFLAGS: 00010246
[  298.223454][ T1044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  298.223746][ T1044] RDX: 0000000000000000 RSI: ffff88800e8fac98 RDI: ffff888008f48b00
[  298.224057][ T1044] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  298.224371][ T1044] R10: ffffffffb57ec1e7 R11: ffff888008f48040 R12: 0000000000000000
[  298.224660][ T1044] R13: ffff88800e8fa128 R14: ffff88800e8fa008 R15: ffff88800e8fa000
[  298.224944][ T1044] FS:  00007facae258800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[  298.225295][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  298.225561][ T1044] CR2: 00007facae608200 CR3: 000000000a1cc004 CR4: 0000000000772ef0
[  298.225848][ T1044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  298.226199][ T1044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  298.226487][ T1044] PKRU: 55555554
[  298.226635][ T1044] Call Trace:
[  298.226810][ T1044]  <TASK>
[ 298.226914][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.227112][ T1044] ? __warn (kernel/panic.c:748) 
[ 298.227303][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.227501][ T1044] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 298.227715][ T1044] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 298.227872][ T1044] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 298.228096][ T1044] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 298.228324][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.228529][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 298.228751][ T1044] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 298.229005][ T1044] ? _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) 
[ 298.229221][ T1044] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 298.229438][ T1044] register_netdevice (net/core/dev.c:11003) 
[ 298.229679][ T1044] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 298.229893][ T1044] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 298.230106][ T1044] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 298.230372][ T1044] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 298.230635][ T1044] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 298.230912][ T1044] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 298.231201][ T1044] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 298.231454][ T1044] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 298.231735][ T1044] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 298.231929][ T1044] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 298.232210][ T1044] devlink_reload (net/devlink/dev.c:474) 
[ 298.232414][ T1044] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 298.232647][ T1044] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 298.232907][ T1044] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 298.233112][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 298.233386][ T1044] ? __nla_parse (lib/nlattr.c:732) 
[ 298.233616][ T1044] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 298.233833][ T1044] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 298.234119][ T1044] ? cap_capable (security/commoncap.c:131) 
[ 298.234342][ T1044] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 298.234569][ T1044] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 298.234784][ T1044] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 298.234994][ T1044] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 298.235264][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 298.235541][ T1044] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 298.235812][ T1044] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 298.236027][ T1044] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 298.236284][ T1044] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 298.236500][ T1044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 298.236745][ T1044] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 298.236905][ T1044] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 298.237133][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 298.237369][ T1044] genl_rcv (net/netlink/genetlink.c:1220) 
[ 298.237534][ T1044] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 298.237758][ T1044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 298.237960][ T1044] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 298.238169][ T1044] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 298.238395][ T1044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 298.238603][ T1044] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 298.238816][ T1044] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 298.239041][ T1044] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 298.239268][ T1044] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 298.239497][ T1044] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 298.239722][ T1044] ? __sys_recvmsg (net/socket.c:2859) 
[ 298.239940][ T1044] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 298.240165][ T1044] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 298.240405][ T1044] __x64_sys_sendto (net/socket.c:2181) 
[ 298.240620][ T1044] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 298.240880][ T1044] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 298.241094][ T1044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  298.241387][ T1044] RIP: 0033:0x7facae464a4a
[ 298.241607][ T1044] 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
[  298.242398][ T1044] RSP: 002b:00007ffdd0800cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  298.242719][ T1044] RAX: ffffffffffffffda RBX: 0000000010d68b00 RCX: 00007facae464a4a
[  298.243038][ T1044] RDX: 0000000000000038 RSI: 0000000010d68b00 RDI: 0000000000000005
[  298.243360][ T1044] RBP: 0000000010d68910 R08: 00007facae608200 R09: 000000000000000c
[  298.243676][ T1044] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  298.243983][ T1044] R13: 0000000010d68910 R14: 0000000000000000 R15: 0000000000000003
| [  302.164784][ T1136] ------------[ cut here ]------------
| [ 302.165079][ T1136] WARNING: CPU: 3 PID: 1136 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) 
| [  302.165724][ T1136] Modules linked in: netdevsim
| [  302.166581][ T1136] Tainted: [W]=WARN
[  302.166788][ T1136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 302.167131][ T1136] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.167503][ T1136] 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
[  302.168579][ T1136] RSP: 0018:ffffc900023771e8 EFLAGS: 00010246
[  302.168956][ T1136] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  302.169361][ T1136] RDX: 0000000000000000 RSI: ffff88800e702c98 RDI: ffff88800aa65080
[  302.169722][ T1136] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  302.170104][ T1136] R10: ffffffffb57ec1e7 R11: ffff88800aa645c0 R12: 0000000000000000
[  302.170490][ T1136] R13: ffff88800e702128 R14: ffff88800e702008 R15: ffff88800e702000
[  302.170856][ T1136] FS:  00007fa590ddc800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[  302.171238][ T1136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  302.171490][ T1136] CR2: 00007f14a44b3000 CR3: 000000000b6d8004 CR4: 0000000000772ef0
[  302.171862][ T1136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  302.172284][ T1136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  302.172606][ T1136] PKRU: 55555554
[  302.172830][ T1136] Call Trace:
[  302.173033][ T1136]  <TASK>
[ 302.173208][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.173434][ T1136] ? __warn (kernel/panic.c:748) 
[ 302.173597][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.173831][ T1136] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 302.174072][ T1136] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 302.174252][ T1136] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 302.174478][ T1136] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 302.174730][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 302.175013][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 302.175273][ T1136] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 302.175541][ T1136] ? _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) 
[ 302.175799][ T1136] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 302.176052][ T1136] register_netdevice (net/core/dev.c:11003) 
[ 302.176324][ T1136] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 302.176646][ T1136] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 302.176970][ T1136] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 302.177329][ T1136] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 302.177652][ T1136] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 302.178040][ T1136] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 302.178430][ T1136] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 302.178735][ T1136] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 302.179071][ T1136] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 302.179312][ T1136] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 302.179622][ T1136] devlink_reload (net/devlink/dev.c:474) 
[ 302.179858][ T1136] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 302.180111][ T1136] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 302.180434][ T1136] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 302.180673][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 302.180997][ T1136] ? __nla_parse (lib/nlattr.c:732) 
[ 302.181284][ T1136] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 302.181510][ T1136] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 302.181797][ T1136] ? cap_capable (security/commoncap.c:131) 
[ 302.182036][ T1136] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 302.182298][ T1136] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 302.182527][ T1136] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 302.182741][ T1136] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 302.183051][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 302.183335][ T1136] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 302.183620][ T1136] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 302.183854][ T1136] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 302.184081][ T1136] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 302.184330][ T1136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 302.184549][ T1136] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 302.184741][ T1136] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 302.185026][ T1136] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 302.185296][ T1136] genl_rcv (net/netlink/genetlink.c:1220) 
[ 302.185477][ T1136] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 302.185697][ T1136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 302.185982][ T1136] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 302.186255][ T1136] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 302.186534][ T1136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 302.186769][ T1136] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 302.187013][ T1136] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 302.187268][ T1136] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 302.187508][ T1136] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 302.187735][ T1136] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 302.187967][ T1136] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 302.188223][ T1136] ? __sys_recvmsg (net/socket.c:2859) 
[ 302.188457][ T1136] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 302.188695][ T1136] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 302.188940][ T1136] __x64_sys_sendto (net/socket.c:2181) 
[ 302.189222][ T1136] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 302.189515][ T1136] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 302.189751][ T1136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  302.190045][ T1136] RIP: 0033:0x7fa590fe8a4a
[ 302.190300][ T1136] 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
[  302.191165][ T1136] RSP: 002b:00007ffc0059cd68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  302.191591][ T1136] RAX: ffffffffffffffda RBX: 000000002fa18b00 RCX: 00007fa590fe8a4a
[  302.191974][ T1136] RDX: 0000000000000038 RSI: 000000002fa18b00 RDI: 0000000000000005
[  302.192362][ T1136] RBP: 000000002fa18910 R08: 00007fa59118c200 R09: 000000000000000c
[  302.192760][ T1136] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  302.193180][ T1136] R13: 000000002fa18910 R14: 0000000000000000 R15: 0000000000000003
| [  303.255176][ T1150] ------------[ cut here ]------------
| [ 303.255727][ T1150] WARNING: CPU: 2 PID: 1150 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) 
| [  303.256297][ T1150] Modules linked in: netdevsim
| [  303.256995][ T1150] Tainted: [W]=WARN
[  303.257167][ T1150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 303.257449][ T1150] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.257734][ T1150] 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
[  303.258442][ T1150] RSP: 0018:ffffc900024071e8 EFLAGS: 00010246
[  303.258711][ T1150] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  303.259019][ T1150] RDX: 0000000000000000 RSI: ffff88800e722c98 RDI: ffff888009260b00
[  303.259335][ T1150] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  303.259644][ T1150] R10: ffffffffb57ec1e7 R11: ffff888009260040 R12: 0000000000000000
[  303.259952][ T1150] R13: ffff88800e722128 R14: ffff88800e722008 R15: ffff88800e722000
[  303.260314][ T1150] FS:  00007fd025f91800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[  303.260694][ T1150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  303.261005][ T1150] CR2: 00007fd026341200 CR3: 000000000f684005 CR4: 0000000000772ef0
[  303.261337][ T1150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  303.261659][ T1150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  303.261991][ T1150] PKRU: 55555554
[  303.262157][ T1150] Call Trace:
[  303.262351][ T1150]  <TASK>
[ 303.262482][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.262697][ T1150] ? __warn (kernel/panic.c:748) 
[ 303.262862][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.263070][ T1150] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 303.263325][ T1150] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 303.263507][ T1150] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 303.263719][ T1150] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 303.263980][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.264334][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 303.264591][ T1150] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 303.264871][ T1150] ? _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) 
[ 303.265125][ T1150] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 303.265422][ T1150] register_netdevice (net/core/dev.c:11003) 
[ 303.265661][ T1150] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 303.265914][ T1150] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 303.266209][ T1150] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 303.266525][ T1150] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 303.266825][ T1150] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 303.267130][ T1150] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 303.267447][ T1150] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 303.267776][ T1150] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 303.268114][ T1150] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 303.268391][ T1150] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 303.268745][ T1150] devlink_reload (net/devlink/dev.c:474) 
[ 303.268993][ T1150] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 303.269249][ T1150] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 303.269537][ T1150] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 303.269805][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 303.270111][ T1150] ? __nla_parse (lib/nlattr.c:732) 
[ 303.270404][ T1150] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 303.270672][ T1150] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 303.271049][ T1150] ? cap_capable (security/commoncap.c:131) 
[ 303.271350][ T1150] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 303.271598][ T1150] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 303.271865][ T1150] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 303.272156][ T1150] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 303.272535][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 303.272853][ T1150] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 303.273140][ T1150] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 303.273395][ T1150] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 303.273617][ T1150] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 303.273858][ T1150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 303.274110][ T1150] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 303.274308][ T1150] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 303.274602][ T1150] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 303.274841][ T1150] genl_rcv (net/netlink/genetlink.c:1220) 
[ 303.275028][ T1150] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 303.275296][ T1150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 303.275537][ T1150] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 303.275778][ T1150] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 303.276019][ T1150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 303.276284][ T1150] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 303.276552][ T1150] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 303.276832][ T1150] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 303.277107][ T1150] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 303.277397][ T1150] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 303.277686][ T1150] ? __sys_recvmsg (net/socket.c:2859) 
[ 303.278005][ T1150] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 303.278308][ T1150] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 303.278562][ T1150] __x64_sys_sendto (net/socket.c:2181) 
[ 303.278784][ T1150] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 303.279068][ T1150] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 303.279332][ T1150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  303.279623][ T1150] RIP: 0033:0x7fd02619da4a
[ 303.279890][ T1150] 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
[  303.280761][ T1150] RSP: 002b:00007ffc78389958 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  303.281125][ T1150] RAX: ffffffffffffffda RBX: 000000001fe59b00 RCX: 00007fd02619da4a
[  303.281499][ T1150] RDX: 0000000000000038 RSI: 000000001fe59b00 RDI: 0000000000000005
[  303.281846][ T1150] RBP: 000000001fe59910 R08: 00007fd026341200 R09: 000000000000000c
[  303.282224][ T1150] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  303.282609][ T1150] R13: 000000001fe59910 R14: 0000000000000000 R15: 0000000000000003
| [  306.300627][ T1215] ------------[ cut here ]------------
| [ 306.300917][ T1215] WARNING: CPU: 3 PID: 1215 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) 
| [  306.301492][ T1215] Modules linked in: netdevsim
| [  306.302138][ T1215] Tainted: [W]=WARN
[  306.302354][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 306.302672][ T1215] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.303024][ T1215] 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
[  306.303865][ T1215] RSP: 0018:ffffc900026871e8 EFLAGS: 00010246
[  306.304170][ T1215] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  306.304528][ T1215] RDX: 0000000000000000 RSI: ffff88800e902c98 RDI: ffff88800bec0b00
[  306.304879][ T1215] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  306.305300][ T1215] R10: ffffffffb57ec1e7 R11: ffff88800bec0040 R12: 0000000000000000
[  306.305689][ T1215] R13: ffff88800e902128 R14: ffff88800e902008 R15: ffff88800e902000
[  306.306049][ T1215] FS:  00007f5faf488800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[  306.306533][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  306.306846][ T1215] CR2: 00007f5faf838200 CR3: 000000000a92c003 CR4: 0000000000772ef0
[  306.307255][ T1215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  306.307631][ T1215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  306.308019][ T1215] PKRU: 55555554
[  306.308285][ T1215] Call Trace:
[  306.308539][ T1215]  <TASK>
[ 306.308715][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.309013][ T1215] ? __warn (kernel/panic.c:748) 
[ 306.309293][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.309554][ T1215] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 306.309865][ T1215] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 306.310085][ T1215] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 306.310407][ T1215] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 306.310687][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.310933][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 306.311225][ T1215] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 306.311516][ T1215] ? _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) 
[ 306.311735][ T1215] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 306.311947][ T1215] register_netdevice (net/core/dev.c:11003) 
[ 306.312159][ T1215] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 306.312435][ T1215] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 306.312717][ T1215] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 306.313023][ T1215] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 306.313345][ T1215] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 306.313659][ T1215] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 306.313938][ T1215] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 306.314257][ T1215] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 306.314568][ T1215] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 306.314792][ T1215] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 306.315081][ T1215] devlink_reload (net/devlink/dev.c:474) 
[ 306.315342][ T1215] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 306.315578][ T1215] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 306.315844][ T1215] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 306.316075][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 306.316369][ T1215] ? __nla_parse (lib/nlattr.c:732) 
[ 306.316637][ T1215] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 306.316853][ T1215] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 306.317131][ T1215] ? cap_capable (security/commoncap.c:131) 
[ 306.317357][ T1215] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 306.317591][ T1215] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 306.317808][ T1215] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 306.318018][ T1215] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 306.318287][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 306.318541][ T1215] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 306.318812][ T1215] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 306.319030][ T1215] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 306.319258][ T1215] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 306.319502][ T1215] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 306.319741][ T1215] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 306.319935][ T1215] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 306.320208][ T1215] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 306.320465][ T1215] genl_rcv (net/netlink/genetlink.c:1220) 
[ 306.320640][ T1215] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 306.320888][ T1215] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 306.321118][ T1215] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 306.321377][ T1215] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 306.321610][ T1215] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 306.321837][ T1215] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 306.322061][ T1215] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 306.322317][ T1215] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 306.322569][ T1215] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 306.322808][ T1215] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 306.323089][ T1215] ? __sys_recvmsg (net/socket.c:2859) 
[ 306.323349][ T1215] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 306.323594][ T1215] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 306.323834][ T1215] __x64_sys_sendto (net/socket.c:2181) 
[ 306.324074][ T1215] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 306.324359][ T1215] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 306.324605][ T1215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  306.324911][ T1215] RIP: 0033:0x7f5faf694a4a
[ 306.325158][ T1215] 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
[  306.326121][ T1215] RSP: 002b:00007fff88109318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  306.326510][ T1215] RAX: ffffffffffffffda RBX: 00000000156dbb00 RCX: 00007f5faf694a4a
[  306.326896][ T1215] RDX: 0000000000000038 RSI: 00000000156dbb00 RDI: 0000000000000005
[  306.327303][ T1215] RBP: 00000000156db910 R08: 00007f5faf838200 R09: 000000000000000c
[  306.327710][ T1215] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  306.328085][ T1215] R13: 00000000156db910 R14: 0000000000000000 R15: 0000000000000003
| [  307.871091][ T1245] ------------[ cut here ]------------
| [ 307.871423][ T1245] WARNING: CPU: 0 PID: 1245 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) 
| [  307.871907][ T1245] Modules linked in: netdevsim
| [  307.872536][ T1245] Tainted: [W]=WARN
[  307.872709][ T1245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 307.872957][ T1245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 307.873234][ T1245] 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
[  307.873942][ T1245] RSP: 0018:ffffc900027971e8 EFLAGS: 00010246
[  307.874216][ T1245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  307.874522][ T1245] RDX: 0000000000000000 RSI: ffff88800e6fac98 RDI: ffff888009735080
[  307.874819][ T1245] RBP: ffff88800a850040 R08: 0000000000000000 R09: fffffbfff6afd83c
[  307.875108][ T1245] R10: ffffffffb57ec1e7 R11: ffff8880097345c0 R12: 0000000000000000
[  307.875408][ T1245] R13: ffff88800e6fa128 R14: ffff88800e6fa008 R15: ffff88800e6fa000
[  307.875726][ T1245] FS:  00007fbd73452800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[  307.876112][ T1245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  307.876401][ T1245] CR2: 00007fbd73802200 CR3: 000000000c050005 CR4: 0000000000772ef0
[  307.876732][ T1245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  307.877024][ T1245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  307.877326][ T1245] PKRU: 55555554
[  307.877477][ T1245] Call Trace:
[  307.877624][ T1245]  <TASK>
[ 307.877725][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 307.877920][ T1245] ? __warn (kernel/panic.c:748) 
[ 307.878081][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 307.878288][ T1245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 307.878492][ T1245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 307.878641][ T1245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 307.878845][ T1245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 307.879055][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 307.879265][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 307.879463][ T1245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 307.879710][ T1245] ? _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) 
[ 307.879916][ T1245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 307.880120][ T1245] register_netdevice (net/core/dev.c:11003) 
[ 307.880334][ T1245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 307.880538][ T1245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 307.880755][ T1245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 307.881040][ T1245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 307.881317][ T1245] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 307.881573][ T1245] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 307.881831][ T1245] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 307.882084][ T1245] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 307.882353][ T1245] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 307.882629][ T1245] devlink_reload (net/devlink/dev.c:474) 
[ 307.882832][ T1245] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 307.883036][ T1245] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 307.883298][ T1245] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 307.883497][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 307.883743][ T1245] ? __nla_parse (lib/nlattr.c:732) 
[ 307.883946][ T1245] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 307.884145][ T1245] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 307.884416][ T1245] ? cap_capable (security/commoncap.c:131) 
[ 307.884608][ T1245] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 307.884806][ T1245] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 307.885003][ T1245] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 307.885213][ T1245] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 307.885503][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 307.885737][ T1245] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 307.885987][ T1245] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 307.886210][ T1245] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 307.886403][ T1245] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 307.886596][ T1245] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 307.886805][ T1245] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 307.886965][ T1245] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 307.887171][ T1245] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 307.887403][ T1245] genl_rcv (net/netlink/genetlink.c:1220) 
[ 307.887561][ T1245] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 307.887779][ T1245] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 307.887991][ T1245] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 307.888219][ T1245] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 307.888439][ T1245] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 307.888644][ T1245] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 307.888858][ T1245] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 307.889080][ T1245] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 307.889311][ T1245] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 307.889532][ T1245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 307.889751][ T1245] ? __sys_recvmsg (net/socket.c:2859) 
[ 307.889965][ T1245] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 307.890198][ T1245] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 307.890416][ T1245] __x64_sys_sendto (net/socket.c:2181) 
[ 307.890628][ T1245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 307.890882][ T1245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 307.891093][ T1245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  307.891367][ T1245] RIP: 0033:0x7fbd7365ea4a
[ 307.891591][ T1245] 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
[  307.892340][ T1245] RSP: 002b:00007fffc98a7e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  307.892656][ T1245] RAX: ffffffffffffffda RBX: 0000000013580b00 RCX: 00007fbd7365ea4a
[  307.892972][ T1245] RDX: 0000000000000038 RSI: 0000000013580b00 RDI: 0000000000000005
[  307.893298][ T1245] RBP: 0000000013580910 R08: 00007fbd73802200 R09: 000000000000000c
[  307.893609][ T1245] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  307.893924][ T1245] R13: 0000000013580910 R14: 0000000000000000 R15: 0000000000000003
| [  308.312704][   T11] ------------[ cut here ]------------
| [ 308.313047][ 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) 
| [  308.313448][   T11] Modules linked in: netdevsim
| [  308.314020][   T11] Tainted: [W]=WARN
[  308.314154][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  308.314426][   T11] Workqueue: netns cleanup_net
[ 308.314638][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.314860][ 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
[  308.315814][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[  308.316065][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  308.316348][   T11] RDX: 0000000000000000 RSI: ffff888009b6ac98 RDI: ffff888001a82e10
[  308.316625][   T11] RBP: ffffffffb7923440 R08: 0000000000000000 R09: fffffbfff6afd83c
[  308.316919][   T11] R10: ffffffffb57ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[  308.317213][   T11] R13: ffff888009b6a128 R14: ffff888009b6a008 R15: ffff888009b6a000
[  308.317489][   T11] FS:  0000000000000000(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[  308.317799][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  308.318220][   T11] CR2: 00007f04430b9258 CR3: 0000000008612001 CR4: 0000000000772ef0
[  308.318524][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  308.318820][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  308.319098][   T11] PKRU: 55555554
[  308.319259][   T11] Call Trace:
[  308.319407][   T11]  <TASK>
[ 308.319508][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.319716][ T11] ? __warn (kernel/panic.c:748) 
[ 308.319867][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.320058][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 308.320269][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 308.320419][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 308.320608][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 308.320819][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.321022][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 308.321269][ 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) 
[ 308.321470][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 308.321669][ T11] register_netdevice (net/core/dev.c:11003) 
[ 308.321871][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 308.322077][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 308.322324][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 308.322619][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 308.322886][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 308.323142][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 308.323463][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 308.323793][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 308.324099][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 308.324378][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 308.324650][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 308.324950][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 308.325259][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 308.325657][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 308.325979][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 308.326314][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 308.326614][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 308.326920][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 308.327231][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 308.327546][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 308.327864][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 308.328166][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 308.328474][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 308.328794][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 308.329105][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 308.329427][ T11] kthread (kernel/kthread.c:464) 
[ 308.329652][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 308.329953][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 308.330268][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 308.330573][ T11] ? __pfx_kthread (kernel/kthread.c:413) 


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