======================================
| 0
| xx__-> [   11.395209][  T227] ------------[ cut here ]------------
| [ 11.395789][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.397826][  T227] Modules linked in: netdevsim
[   11.398833][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.399290][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.399767][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.401103][  T227] RSP: 0018:ffffc90000ab7520 EFLAGS: 00010246
[   11.401618][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.402168][  T227] RDX: 0000000000000000 RSI: ffff88800d392c98 RDI: ffff88800a9c8b78
[   11.402753][  T227] RBP: ffffffff8bb23440 R08: 0000000000000000 R09: fffffbfff133d83c
[   11.403320][  T227] R10: ffffffff899ec1e7 R11: ffff88800a9c8040 R12: 0000000000000000
[   11.403879][  T227] R13: ffff88800d392128 R14: ffff88800d392008 R15: ffff88800d392000
[   11.404440][  T227] FS:  00007f40823bd740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   11.405071][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.405562][  T227] CR2: 00005636f5c16928 CR3: 000000000b6d2005 CR4: 0000000000772ef0
[   11.406128][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.406714][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.407289][  T227] PKRU: 55555554
[   11.407580][  T227] Call Trace:
[   11.407889][  T227]  <TASK>
[ 11.408086][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.408493][ T227] ? __warn (kernel/panic.c:748) 
[ 11.409029][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.409423][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.409804][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.410086][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.410476][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.410876][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.411298][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.411780][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 11.412166][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.412575][ T227] register_netdevice (net/core/dev.c:11003) 
[ 11.412966][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.413377][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.413798][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.414300][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 11.414597][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.415094][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.415595][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 11.416112][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 11.416529][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 11.417030][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 11.417435][ T227] ? 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)) 
[ 11.417723][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 11.418117][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 11.418530][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 11.418918][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 11.419312][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 11.419694][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 11.420175][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 11.420577][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 11.420943][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.421347][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.421736][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 11.422125][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 11.422535][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 11.422918][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.423337][ T227] ? 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) 
[ 11.423736][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 11.424151][ T227] device_add (drivers/base/core.c:3672) 
[ 11.424553][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 11.424938][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 11.425384][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 11.425887][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 11.426422][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.426808][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 11.427229][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.427665][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 11.428061][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 11.428392][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 11.428776][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.429154][ T227] ? 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) 
[ 11.429563][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 11.429961][ T227] ksys_write (fs/read_write.c:731) 
[ 11.430268][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 11.430662][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 11.431064][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.431460][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.431918][  T227] RIP: 0033:0x7f40824feb77
[ 11.432344][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   11.433656][  T227] RSP: 002b:00007fff019b5888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.434249][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f40824feb77
[   11.434825][  T227] RDX: 0000000000000007 RSI: 0000556ba5cae5d0 RDI: 0000000000000001
[   11.435400][  T227] RBP: 0000556ba5cae5d0 R08: 0000000000000003 R09: 0000000000000077
[   11.435969][  T227] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   11.436535][  T227] R13: 00007f40825ba760 R14: 0000000000000007 R15: 00007f40825b59c0
| [   11.774596][  T254] ------------[ cut here ]------------
| [ 11.775046][ T254] WARNING: CPU: 2 PID: 254 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) 
| [   11.775576][  T254] Modules linked in: netdevsim
| [   11.776258][  T254] Tainted: [W]=WARN
[   11.776504][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.776826][ T254] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.777145][ T254] 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
[   11.777974][  T254] RSP: 0018:ffffc90000af71e8 EFLAGS: 00010246
[   11.778292][  T254] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.778630][  T254] RDX: 0000000000000000 RSI: ffff88800d992c98 RDI: ffff888008da0b00
[   11.778949][  T254] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   11.779363][  T254] R10: ffffffff899ec1e7 R11: ffff888008da0040 R12: 0000000000000000
[   11.779732][  T254] R13: ffff88800d992128 R14: ffff88800d992008 R15: ffff88800d992000
[   11.780067][  T254] FS:  00007fce12a9e800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   11.780466][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.780787][  T254] CR2: 00007fce12bdd440 CR3: 0000000005a08001 CR4: 0000000000772ef0
[   11.781138][  T254] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.781530][  T254] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.782106][  T254] PKRU: 55555554
[   11.782308][  T254] Call Trace:
[   11.782478][  T254]  <TASK>
[ 11.782597][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.782864][ T254] ? __warn (kernel/panic.c:748) 
[ 11.783040][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.783287][ T254] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.783518][ T254] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.783741][ T254] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.783971][ T254] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.784215][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.784460][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.784687][ T254] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.784972][ T254] ? _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) 
[ 11.785199][ T254] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.785463][ T254] register_netdevice (net/core/dev.c:11003) 
[ 11.785740][ T254] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.785997][ T254] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.786264][ T254] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.786565][ T254] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.786889][ T254] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.787228][ T254] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.787540][ T254] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.787952][ T254] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.788431][ T254] devlink_reload (net/devlink/dev.c:474) 
[ 11.788786][ T254] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.789167][ T254] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 11.789555][ T254] ? cap_capable (security/commoncap.c:131) 
[ 11.789867][ T254] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 11.790056][ T254] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.790310][ T254] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.790602][ T254] ? __nla_parse (lib/nlattr.c:732) 
[ 11.790854][ T254] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.791103][ T254] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.791494][ T254] ? cap_capable (security/commoncap.c:131) 
[ 11.791861][ T254] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.792200][ T254] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.792464][ T254] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.792718][ T254] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.792992][ T254] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.793283][ T254] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.793563][ T254] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.793796][ T254] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.794034][ T254] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.794270][ T254] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.794723][ T254] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.794901][ T254] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.795141][ T254] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.795401][ T254] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.795579][ T254] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.795902][ T254] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.796121][ T254] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.796385][ T254] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.796648][ T254] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.797087][ T254] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.797325][ T254] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.797547][ T254] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.797781][ T254] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.797984][ T254] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.798207][ T254] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 11.798452][ T254] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 11.798677][ T254] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 11.798928][ T254] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 11.799263][ T254] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 11.799525][ T254] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 11.799755][ T254] __x64_sys_sendto (net/socket.c:2181) 
[ 11.799970][ T254] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.800256][ T254] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.800468][ T254] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.800759][  T254] RIP: 0033:0x7fce12caaa4a
[ 11.800982][ T254] 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
[   11.801819][  T254] RSP: 002b:00007ffd0ca333c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.802282][  T254] RAX: ffffffffffffffda RBX: 0000000006e14b00 RCX: 00007fce12caaa4a
[   11.802579][  T254] RDX: 0000000000000040 RSI: 0000000006e14b00 RDI: 0000000000000005
[   11.802930][  T254] RBP: 0000000006e14910 R08: 00007fce12e4e200 R09: 000000000000000c
[   11.803371][  T254] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.803722][  T254] R13: 0000000006e14910 R14: 0000000000000000 R15: 0000000000000001
| [   21.849107][  T456] ------------[ cut here ]------------
| [ 21.849394][ T456] WARNING: CPU: 3 PID: 456 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) 
| [   21.849832][  T456] Modules linked in: netdevsim
| [   21.850559][  T456] Tainted: [W]=WARN
[   21.850736][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.851029][ T456] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.851414][ T456] 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
[   21.852156][  T456] RSP: 0018:ffffc90000df71e8 EFLAGS: 00010246
[   21.852529][  T456] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   21.852869][  T456] RDX: 0000000000000000 RSI: ffff88800d39ac98 RDI: ffff88800da1d080
[   21.853207][  T456] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   21.853644][  T456] R10: ffffffff899ec1e7 R11: ffff88800da1c5c0 R12: 0000000000000000
[   21.853965][  T456] R13: ffff88800d39a128 R14: ffff88800d39a008 R15: ffff88800d39a000
[   21.854370][  T456] FS:  00007f440636d800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   21.854739][  T456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.855009][  T456] CR2: 00007f440671d200 CR3: 000000000506c004 CR4: 0000000000772ef0
[   21.855421][  T456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.855745][  T456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.856058][  T456] PKRU: 55555554
[   21.856220][  T456] Call Trace:
[   21.856393][  T456]  <TASK>
[ 21.856506][ T456] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.856717][ T456] ? __warn (kernel/panic.c:748) 
[ 21.856909][ T456] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.857131][ T456] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 21.857369][ T456] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 21.857533][ T456] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 21.857765][ T456] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 21.857997][ T456] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.858216][ T456] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 21.858456][ T456] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 21.858733][ T456] ? _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) 
[ 21.858970][ T456] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 21.859186][ T456] register_netdevice (net/core/dev.c:11003) 
[ 21.859428][ T456] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 21.859677][ T456] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 21.859912][ T456] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 21.860191][ T456] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 21.860509][ T456] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 21.860805][ T456] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 21.861085][ T456] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 21.861386][ T456] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 21.861659][ T456] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 21.861888][ T456] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 21.862189][ T456] devlink_reload (net/devlink/dev.c:474) 
[ 21.862416][ T456] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 21.862650][ T456] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 21.862945][ T456] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 21.863180][ T456] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.863485][ T456] ? __nla_parse (lib/nlattr.c:732) 
[ 21.863736][ T456] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 21.863971][ T456] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 21.864272][ T456] ? cap_capable (security/commoncap.c:131) 
[ 21.864492][ T456] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 21.864729][ T456] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 21.864991][ T456] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 21.865251][ T456] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 21.865553][ T456] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.865836][ T456] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 21.866165][ T456] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 21.866405][ T456] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 21.866717][ T456] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 21.866955][ T456] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 21.867178][ T456] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 21.867353][ T456] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 21.867574][ T456] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 21.867805][ T456] genl_rcv (net/netlink/genetlink.c:1220) 
[ 21.867965][ T456] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 21.868186][ T456] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 21.868410][ T456] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 21.868637][ T456] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 21.868852][ T456] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 21.869055][ T456] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 21.869287][ T456] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 21.869508][ T456] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 21.869722][ T456] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 21.869937][ T456] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 21.870152][ T456] ? __sys_recvmsg (net/socket.c:2859) 
[ 21.870376][ T456] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 21.870600][ T456] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 21.870811][ T456] __x64_sys_sendto (net/socket.c:2181) 
[ 21.871025][ T456] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 21.871315][ T456] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 21.871527][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.871788][  T456] RIP: 0033:0x7f4406579a4a
[ 21.871999][ T456] 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
[   21.872731][  T456] RSP: 002b:00007fff7c486ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.873046][  T456] RAX: ffffffffffffffda RBX: 0000000032c5ab00 RCX: 00007f4406579a4a
[   21.873371][  T456] RDX: 0000000000000038 RSI: 0000000032c5ab00 RDI: 0000000000000005
[   21.873679][  T456] RBP: 0000000032c5a910 R08: 00007f440671d200 R09: 000000000000000c
[   21.874021][  T456] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   21.874339][  T456] R13: 0000000032c5a910 R14: 0000000000000000 R15: 0000000000000003
| [   23.014681][  T473] ------------[ cut here ]------------
| [ 23.015020][ T473] WARNING: CPU: 0 PID: 473 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) 
| [   23.015740][  T473] Modules linked in: netdevsim
| [   23.016425][  T473] Tainted: [W]=WARN
[   23.016603][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.016902][ T473] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.017190][ T473] 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
[   23.018013][  T473] RSP: 0018:ffffc90000ea71e8 EFLAGS: 00010246
[   23.018311][  T473] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   23.018640][  T473] RDX: 0000000000000000 RSI: ffff88800d9a2c98 RDI: ffff888009830b00
[   23.018969][  T473] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   23.019284][  T473] R10: ffffffff899ec1e7 R11: ffff888009830040 R12: 0000000000000000
[   23.019592][  T473] R13: ffff88800d9a2128 R14: ffff88800d9a2008 R15: ffff88800d9a2000
[   23.019917][  T473] FS:  00007f1f0ccd6800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   23.020285][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.020545][  T473] CR2: 00007f1f0d086200 CR3: 000000000b6a2001 CR4: 0000000000772ef0
[   23.020852][  T473] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.021166][  T473] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.021483][  T473] PKRU: 55555554
[   23.021642][  T473] Call Trace:
[   23.021838][  T473]  <TASK>
[ 23.021958][ T473] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.022190][ T473] ? __warn (kernel/panic.c:748) 
[ 23.022364][ T473] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.022578][ T473] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 23.022797][ T473] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 23.022956][ T473] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 23.023164][ T473] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 23.023401][ T473] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.023613][ T473] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 23.023844][ T473] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 23.024114][ T473] ? _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) 
[ 23.024346][ T473] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 23.024558][ T473] register_netdevice (net/core/dev.c:11003) 
[ 23.024774][ T473] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 23.024991][ T473] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 23.025218][ T473] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 23.025503][ T473] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 23.025789][ T473] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 23.026084][ T473] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 23.026364][ T473] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 23.026626][ T473] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 23.026906][ T473] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 23.027117][ T473] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 23.027404][ T473] devlink_reload (net/devlink/dev.c:474) 
[ 23.027619][ T473] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 23.027857][ T473] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 23.028125][ T473] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 23.028351][ T473] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 23.028619][ T473] ? __nla_parse (lib/nlattr.c:732) 
[ 23.028852][ T473] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 23.029071][ T473] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 23.029356][ T473] ? cap_capable (security/commoncap.c:131) 
[ 23.029566][ T473] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 23.029799][ T473] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 23.030031][ T473] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 23.030264][ T473] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 23.030523][ T473] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 23.030786][ T473] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 23.031052][ T473] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 23.031277][ T473] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 23.031484][ T473] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 23.031697][ T473] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 23.031943][ T473] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 23.032101][ T473] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 23.032330][ T473] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 23.032544][ T473] genl_rcv (net/netlink/genetlink.c:1220) 
[ 23.032706][ T473] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 23.032917][ T473] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 23.033125][ T473] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 23.033360][ T473] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 23.033572][ T473] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 23.033801][ T473] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 23.034040][ T473] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 23.034270][ T473] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 23.034485][ T473] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 23.034701][ T473] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 23.034912][ T473] ? __sys_recvmsg (net/socket.c:2859) 
[ 23.035123][ T473] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 23.035353][ T473] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 23.035567][ T473] __x64_sys_sendto (net/socket.c:2181) 
[ 23.035772][ T473] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 23.036027][ T473] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 23.036252][ T473] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.036511][  T473] RIP: 0033:0x7f1f0cee2a4a
[ 23.036742][ T473] 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
[   23.037488][  T473] RSP: 002b:00007fffce83e4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.037828][  T473] RAX: ffffffffffffffda RBX: 000000001a3edb00 RCX: 00007f1f0cee2a4a
[   23.038149][  T473] RDX: 0000000000000038 RSI: 000000001a3edb00 RDI: 0000000000000005
[   23.038472][  T473] RBP: 000000001a3ed910 R08: 00007f1f0d086200 R09: 000000000000000c
[   23.038788][  T473] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   23.039091][  T473] R13: 000000001a3ed910 R14: 0000000000000000 R15: 0000000000000003
| [   24.134445][  T489] ------------[ cut here ]------------
| [ 24.134740][ T489] WARNING: CPU: 0 PID: 489 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) 
| [   24.135141][  T489] Modules linked in: netdevsim
| [   24.135726][  T489] Tainted: [W]=WARN
[   24.135881][  T489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.136128][ T489] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.136507][ T489] 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
[   24.137267][  T489] RSP: 0018:ffffc90000f671e8 EFLAGS: 00010246
[   24.137525][  T489] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   24.137826][  T489] RDX: 0000000000000000 RSI: ffff88800d392c98 RDI: ffff888002358b00
[   24.138118][  T489] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   24.138431][  T489] R10: ffffffff899ec1e7 R11: ffff888002358040 R12: 0000000000000000
[   24.138730][  T489] R13: ffff88800d392128 R14: ffff88800d392008 R15: ffff88800d392000
[   24.139048][  T489] FS:  00007f0ef5820800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   24.139430][  T489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.139681][  T489] CR2: 00007f0ef5bd0200 CR3: 000000000a16a004 CR4: 0000000000772ef0
[   24.139987][  T489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.140307][  T489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.140613][  T489] PKRU: 55555554
[   24.140780][  T489] Call Trace:
[   24.140945][  T489]  <TASK>
[ 24.141055][ T489] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.141286][ T489] ? __warn (kernel/panic.c:748) 
[ 24.141454][ T489] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.141656][ T489] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 24.141861][ T489] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 24.142021][ T489] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 24.142219][ T489] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 24.142447][ T489] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.142654][ T489] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 24.142862][ T489] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 24.143115][ T489] ? _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) 
[ 24.143358][ T489] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 24.143570][ T489] register_netdevice (net/core/dev.c:11003) 
[ 24.143780][ T489] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 24.144012][ T489] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 24.144257][ T489] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 24.144522][ T489] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 24.144784][ T489] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 24.145044][ T489] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 24.145319][ T489] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 24.145580][ T489] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 24.145847][ T489] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 24.146043][ T489] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 24.146345][ T489] devlink_reload (net/devlink/dev.c:474) 
[ 24.146582][ T489] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 24.146806][ T489] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 24.147083][ T489] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 24.147312][ T489] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 24.147567][ T489] ? __nla_parse (lib/nlattr.c:732) 
[ 24.147772][ T489] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 24.147970][ T489] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 24.148226][ T489] ? cap_capable (security/commoncap.c:131) 
[ 24.148474][ T489] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 24.148694][ T489] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 24.148893][ T489] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 24.149086][ T489] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 24.149340][ T489] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 24.149600][ T489] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 24.149897][ T489] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 24.150093][ T489] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 24.150320][ T489] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 24.150534][ T489] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 24.150744][ T489] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 24.150906][ T489] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 24.151123][ T489] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 24.151350][ T489] genl_rcv (net/netlink/genetlink.c:1220) 
[ 24.151506][ T489] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 24.151733][ T489] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 24.151929][ T489] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 24.152132][ T489] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 24.152341][ T489] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 24.152529][ T489] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 24.152734][ T489] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 24.152939][ T489] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 24.153140][ T489] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 24.153355][ T489] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 24.153556][ T489] ? __sys_recvmsg (net/socket.c:2859) 
[ 24.153753][ T489] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 24.153961][ T489] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 24.154164][ T489] __x64_sys_sendto (net/socket.c:2181) 
[ 24.154373][ T489] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 24.154617][ T489] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 24.154923][ T489] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.155370][  T489] RIP: 0033:0x7f0ef5a2ca4a
[ 24.155720][ T489] 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
[   24.156708][  T489] RSP: 002b:00007ffdb9582588 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   24.157033][  T489] RAX: ffffffffffffffda RBX: 000000001ede2b00 RCX: 00007f0ef5a2ca4a
[   24.157345][  T489] RDX: 0000000000000038 RSI: 000000001ede2b00 RDI: 0000000000000005
[   24.157648][  T489] RBP: 000000001ede2910 R08: 00007f0ef5bd0200 R09: 000000000000000c
[   24.157941][  T489] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   24.158224][  T489] R13: 000000001ede2910 R14: 0000000000000000 R15: 0000000000000003
| [   27.764177][  T545] ------------[ cut here ]------------
| [ 27.764479][ T545] WARNING: CPU: 2 PID: 545 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) 
| [   27.764907][  T545] Modules linked in: netdevsim
| [   27.765510][  T545] Tainted: [W]=WARN
[   27.765694][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.765953][ T545] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 27.766218][ T545] 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
[   27.766955][  T545] RSP: 0018:ffffc900011d71e8 EFLAGS: 00010246
[   27.767212][  T545] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   27.767531][  T545] RDX: 0000000000000000 RSI: ffff88800d992c98 RDI: ffff88800b9fadc0
[   27.767850][  T545] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   27.768154][  T545] R10: ffffffff899ec1e7 R11: ffff88800b9fa300 R12: 0000000000000000
[   27.768461][  T545] R13: ffff88800d992128 R14: ffff88800d992008 R15: ffff88800d992000
[   27.768774][  T545] FS:  00007fc27d7f0800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   27.769130][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.769404][  T545] CR2: 00007fc27dba0200 CR3: 000000000b8da003 CR4: 0000000000772ef0
[   27.769758][  T545] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.770310][  T545] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.770814][  T545] PKRU: 55555554
[   27.771083][  T545] Call Trace:
[   27.771362][  T545]  <TASK>
[ 27.771547][ T545] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 27.771895][ T545] ? __warn (kernel/panic.c:748) 
[ 27.772174][ T545] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 27.772544][ T545] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 27.772907][ T545] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 27.773182][ T545] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 27.773533][ T545] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 27.773898][ T545] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 27.774165][ T545] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 27.774413][ T545] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 27.774695][ T545] ? _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) 
[ 27.774916][ T545] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 27.775139][ T545] register_netdevice (net/core/dev.c:11003) 
[ 27.775374][ T545] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 27.775595][ T545] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 27.775839][ T545] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 27.776128][ T545] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 27.776420][ T545] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 27.776729][ T545] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 27.777014][ T545] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 27.777301][ T545] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 27.777570][ T545] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 27.777822][ T545] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 27.778106][ T545] devlink_reload (net/devlink/dev.c:474) 
[ 27.778360][ T545] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 27.778581][ T545] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 27.779016][ T545] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 27.779427][ T545] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 27.779869][ T545] ? __nla_parse (lib/nlattr.c:732) 
[ 27.780254][ T545] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 27.780551][ T545] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 27.780849][ T545] ? cap_capable (security/commoncap.c:131) 
[ 27.781065][ T545] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 27.781298][ T545] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 27.781517][ T545] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 27.781775][ T545] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 27.782034][ T545] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 27.782306][ T545] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 27.782576][ T545] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 27.782803][ T545] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 27.783014][ T545] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 27.783258][ T545] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 27.783483][ T545] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 27.783645][ T545] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 27.783864][ T545] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 27.784079][ T545] genl_rcv (net/netlink/genetlink.c:1220) 
[ 27.784255][ T545] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 27.784491][ T545] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 27.784724][ T545] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 27.784954][ T545] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 27.785181][ T545] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 27.785412][ T545] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 27.785632][ T545] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 27.785907][ T545] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 27.786140][ T545] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 27.786383][ T545] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 27.786610][ T545] ? __sys_recvmsg (net/socket.c:2859) 
[ 27.786841][ T545] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 27.787070][ T545] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 27.787309][ T545] __x64_sys_sendto (net/socket.c:2181) 
[ 27.787536][ T545] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 27.787798][ T545] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.788013][ T545] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.788288][  T545] RIP: 0033:0x7fc27d9fca4a
[ 27.788513][ T545] 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
[   27.789253][  T545] RSP: 002b:00007ffd3dc06658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   27.789560][  T545] RAX: ffffffffffffffda RBX: 000000000c99cb00 RCX: 00007fc27d9fca4a
[   27.789911][  T545] RDX: 0000000000000038 RSI: 000000000c99cb00 RDI: 0000000000000005
[   27.790221][  T545] RBP: 000000000c99c910 R08: 00007fc27dba0200 R09: 000000000000000c
[   27.790532][  T545] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   27.790835][  T545] R13: 000000000c99c910 R14: 0000000000000000 R15: 0000000000000003
| [   30.350403][  T574] ------------[ cut here ]------------
| [ 30.350753][ T574] WARNING: CPU: 2 PID: 574 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) 
| [   30.351181][  T574] Modules linked in: netdevsim
| [   30.351862][  T574] Tainted: [W]=WARN
[   30.352035][  T574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.352318][ T574] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 30.352626][ T574] 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
[   30.353369][  T574] RSP: 0018:ffffc900013771e8 EFLAGS: 00010246
[   30.353644][  T574] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   30.353963][  T574] RDX: 0000000000000000 RSI: ffff88800d39ac98 RDI: ffff888008da2dc0
[   30.354304][  T574] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   30.354624][  T574] R10: ffffffff899ec1e7 R11: ffff888008da2300 R12: 0000000000000000
[   30.354944][  T574] R13: ffff88800d39a128 R14: ffff88800d39a008 R15: ffff88800d39a000
[   30.355274][  T574] FS:  00007fc7a7486800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   30.355639][  T574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.355904][  T574] CR2: 00007fc7a7836200 CR3: 000000000d1f2006 CR4: 0000000000772ef0
[   30.356222][  T574] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.356553][  T574] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.356897][  T574] PKRU: 55555554
[   30.357067][  T574] Call Trace:
[   30.357253][  T574]  <TASK>
[ 30.357377][ T574] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 30.357596][ T574] ? __warn (kernel/panic.c:748) 
[ 30.357770][ T574] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 30.357988][ T574] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 30.358215][ T574] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 30.358412][ T574] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 30.358630][ T574] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 30.358866][ T574] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 30.359089][ T574] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 30.359333][ T574] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 30.359608][ T574] ? _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) 
[ 30.359835][ T574] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 30.360059][ T574] register_netdevice (net/core/dev.c:11003) 
[ 30.360303][ T574] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 30.360536][ T574] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 30.360799][ T574] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 30.361083][ T574] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 30.361388][ T574] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 30.361671][ T574] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 30.361955][ T574] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 30.362244][ T574] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 30.362520][ T574] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 30.362742][ T574] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 30.363027][ T574] devlink_reload (net/devlink/dev.c:474) 
[ 30.363264][ T574] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 30.363486][ T574] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 30.363777][ T574] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 30.364000][ T574] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 30.364284][ T574] ? __nla_parse (lib/nlattr.c:732) 
[ 30.364520][ T574] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 30.364758][ T574] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 30.365030][ T574] ? cap_capable (security/commoncap.c:131) 
[ 30.365251][ T574] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 30.365477][ T574] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 30.365684][ T574] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 30.365894][ T574] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 30.366141][ T574] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 30.366404][ T574] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 30.366670][ T574] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 30.366904][ T574] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 30.367110][ T574] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 30.367330][ T574] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 30.367547][ T574] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 30.367708][ T574] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 30.367925][ T574] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 30.368142][ T574] genl_rcv (net/netlink/genetlink.c:1220) 
[ 30.368317][ T574] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 30.368532][ T574] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 30.368751][ T574] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 30.368971][ T574] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 30.369182][ T574] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 30.369405][ T574] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 30.369622][ T574] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 30.369847][ T574] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 30.370090][ T574] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 30.370318][ T574] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 30.370528][ T574] ? __sys_recvmsg (net/socket.c:2859) 
[ 30.370739][ T574] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 30.370952][ T574] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 30.371162][ T574] __x64_sys_sendto (net/socket.c:2181) 
[ 30.371377][ T574] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 30.371638][ T574] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 30.371856][ T574] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.372124][  T574] RIP: 0033:0x7fc7a7692a4a
[ 30.372350][ T574] 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
[   30.373025][  T574] RSP: 002b:00007ffe7347ae28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   30.373343][  T574] RAX: ffffffffffffffda RBX: 0000000016bffb00 RCX: 00007fc7a7692a4a
[   30.373644][  T574] RDX: 0000000000000038 RSI: 0000000016bffb00 RDI: 0000000000000005
[   30.373951][  T574] RBP: 0000000016bff910 R08: 00007fc7a7836200 R09: 000000000000000c
[   30.374255][  T574] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   30.374547][  T574] R13: 0000000016bff910 R14: 0000000000000000 R15: 0000000000000003
| [   32.926630][  T602] ------------[ cut here ]------------
| [ 32.926924][ T602] WARNING: CPU: 0 PID: 602 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   32.927353][  T602] Modules linked in: netdevsim
| [   32.927924][  T602] Tainted: [W]=WARN
[   32.928071][  T602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.928330][ T602] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.928591][ T602] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   32.929264][  T602] RSP: 0018:ffffc900015071e8 EFLAGS: 00010246
[   32.929506][  T602] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   32.929796][  T602] RDX: 0000000000000000 RSI: ffff88800d9a2c98 RDI: ffff88800ab98b00
[   32.930130][  T602] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   32.930457][  T602] R10: ffffffff899ec1e7 R11: ffff88800ab98040 R12: 0000000000000000
[   32.930769][  T602] R13: ffff88800d9a2128 R14: ffff88800d9a2008 R15: ffff88800d9a2000
[   32.931077][  T602] FS:  00007f649452c800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   32.931441][  T602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.931710][  T602] CR2: 00007f64948dc200 CR3: 000000000b85a001 CR4: 0000000000772ef0
[   32.931995][  T602] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.932315][  T602] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.932598][  T602] PKRU: 55555554
[   32.932743][  T602] Call Trace:
[   32.932891][  T602]  <TASK>
[ 32.932991][ T602] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.933225][ T602] ? __warn (kernel/panic.c:748) 
[ 32.933400][ T602] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.933616][ T602] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 32.933812][ T602] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 32.933974][ T602] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 32.934191][ T602] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 32.934418][ T602] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 32.934635][ T602] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 32.934852][ T602] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 32.935120][ T602] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 32.935341][ T602] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 32.935538][ T602] register_netdevice (net/core/dev.c:11003) 
[ 32.935738][ T602] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 32.935941][ T602] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 32.936148][ T602] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 32.936419][ T602] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 32.936691][ T602] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 32.936958][ T602] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 32.937204][ T602] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 32.937483][ T602] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 32.937739][ T602] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 32.938033][ T602] devlink_reload (net/devlink/dev.c:474) 
[ 32.938243][ T602] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 32.938440][ T602] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 32.938699][ T602] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 32.938899][ T602] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 32.939152][ T602] ? __nla_parse (lib/nlattr.c:732) 
[ 32.939365][ T602] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 32.939560][ T602] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 32.939825][ T602] ? cap_capable (security/commoncap.c:131) 
[ 32.940021][ T602] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 32.940227][ T602] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 32.940440][ T602] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 32.940645][ T602] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 32.940886][ T602] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 32.941131][ T602] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 32.941407][ T602] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 32.941601][ T602] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 32.941863][ T602] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 32.942063][ T602] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 32.942306][ T602] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 32.942461][ T602] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 32.942721][ T602] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 32.942944][ T602] genl_rcv (net/netlink/genetlink.c:1220) 
[ 32.943110][ T602] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 32.943350][ T602] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 32.943560][ T602] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 32.943808][ T602] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 32.944029][ T602] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 32.944249][ T602] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 32.944454][ T602] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 32.944687][ T602] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 32.944902][ T602] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 32.945124][ T602] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 32.945339][ T602] ? __sys_recvmsg (net/socket.c:2859) 
[ 32.945533][ T602] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 32.945734][ T602] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 32.945947][ T602] __x64_sys_sendto (net/socket.c:2181) 
[ 32.946146][ T602] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 32.946417][ T602] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.946627][ T602] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.946917][  T602] RIP: 0033:0x7f6494738a4a
[ 32.947138][ T602] 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
[   32.947874][  T602] RSP: 002b:00007ffff4431298 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   32.948208][  T602] RAX: ffffffffffffffda RBX: 0000000011f69b00 RCX: 00007f6494738a4a
[   32.948539][  T602] RDX: 0000000000000038 RSI: 0000000011f69b00 RDI: 0000000000000005
[   32.948857][  T602] RBP: 0000000011f69910 R08: 00007f64948dc200 R09: 000000000000000c
[   32.949157][  T602] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   32.949472][  T602] R13: 0000000011f69910 R14: 0000000000000000 R15: 0000000000000003
| [   56.403555][ T1040] ------------[ cut here ]------------
| [ 56.403834][ T1040] WARNING: CPU: 0 PID: 1040 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) 
| [   56.404256][ T1040] Modules linked in: netdevsim
| [   56.404802][ T1040] Tainted: [W]=WARN
[   56.404958][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.405222][ T1040] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 56.405501][ T1040] 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
[   56.406196][ T1040] RSP: 0018:ffffc900027171e8 EFLAGS: 00010246
[   56.406453][ T1040] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   56.406761][ T1040] RDX: 0000000000000000 RSI: ffff88800d392c98 RDI: ffff888009a08b00
[   56.407048][ T1040] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   56.407439][ T1040] R10: ffffffff899ec1e7 R11: ffff888009a08040 R12: 0000000000000000
[   56.407744][ T1040] R13: ffff88800d392128 R14: ffff88800d392008 R15: ffff88800d392000
[   56.408044][ T1040] FS:  00007f868250b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   56.408416][ T1040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.408668][ T1040] CR2: 00007f86828bb200 CR3: 00000000050aa002 CR4: 0000000000772ef0
[   56.408971][ T1040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.409281][ T1040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.409574][ T1040] PKRU: 55555554
[   56.409728][ T1040] Call Trace:
[   56.409874][ T1040]  <TASK>
[ 56.409975][ T1040] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 56.410177][ T1040] ? __warn (kernel/panic.c:748) 
[ 56.410339][ T1040] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 56.410544][ T1040] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 56.410751][ T1040] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 56.410914][ T1040] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 56.411113][ T1040] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 56.411356][ T1040] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 56.411568][ T1040] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 56.411786][ T1040] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 56.412050][ T1040] ? _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) 
[ 56.412280][ T1040] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 56.412498][ T1040] register_netdevice (net/core/dev.c:11003) 
[ 56.412710][ T1040] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 56.412919][ T1040] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 56.413201][ T1040] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 56.413638][ T1040] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 56.414022][ T1040] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 56.414297][ T1040] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 56.414558][ T1040] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 56.414809][ T1040] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 56.415063][ T1040] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 56.415285][ T1040] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 56.415550][ T1040] devlink_reload (net/devlink/dev.c:474) 
[ 56.415763][ T1040] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 56.415965][ T1040] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 56.416220][ T1040] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 56.416430][ T1040] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 56.416692][ T1040] ? __nla_parse (lib/nlattr.c:732) 
[ 56.416904][ T1040] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 56.417101][ T1040] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 56.417384][ T1040] ? cap_capable (security/commoncap.c:131) 
[ 56.417589][ T1040] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 56.417827][ T1040] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 56.418031][ T1040] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 56.418260][ T1040] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 56.418508][ T1040] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 56.418759][ T1040] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 56.419013][ T1040] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 56.419213][ T1040] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 56.419446][ T1040] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 56.419649][ T1040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 56.419863][ T1040] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 56.420018][ T1040] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 56.420220][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 56.420441][ T1040] genl_rcv (net/netlink/genetlink.c:1220) 
[ 56.420595][ T1040] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 56.420797][ T1040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 56.420996][ T1040] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 56.421202][ T1040] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 56.421417][ T1040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 56.421611][ T1040] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 56.421846][ T1040] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 56.422061][ T1040] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 56.422277][ T1040] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 56.422481][ T1040] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 56.422711][ T1040] ? __sys_recvmsg (net/socket.c:2859) 
[ 56.422928][ T1040] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 56.423130][ T1040] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 56.423357][ T1040] __x64_sys_sendto (net/socket.c:2181) 
[ 56.423557][ T1040] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 56.423803][ T1040] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 56.423998][ T1040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.424263][ T1040] RIP: 0033:0x7f8682717a4a
[ 56.424464][ T1040] 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
[   56.425139][ T1040] RSP: 002b:00007ffc91d9e118 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   56.425450][ T1040] RAX: ffffffffffffffda RBX: 000000000c2b8b00 RCX: 00007f8682717a4a
[   56.425748][ T1040] RDX: 0000000000000038 RSI: 000000000c2b8b00 RDI: 0000000000000005
[   56.426070][ T1040] RBP: 000000000c2b8910 R08: 00007f86828bb200 R09: 000000000000000c
[   56.426369][ T1040] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   56.426683][ T1040] R13: 000000000c2b8910 R14: 0000000000000000 R15: 0000000000000003
| [   58.190964][ T1072] ------------[ cut here ]------------
| [ 58.191278][ T1072] WARNING: CPU: 3 PID: 1072 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) 
| [   58.191827][ T1072] Modules linked in: netdevsim
| [   58.192877][ T1072] Tainted: [W]=WARN
[   58.193139][ T1072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.193732][ T1072] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.194163][ T1072] 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
[   58.195460][ T1072] RSP: 0018:ffffc900028471e8 EFLAGS: 00010246
[   58.195863][ T1072] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   58.196536][ T1072] RDX: 0000000000000000 RSI: ffff88800d992c98 RDI: ffff888009a08b00
[   58.197051][ T1072] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   58.197712][ T1072] R10: ffffffff899ec1e7 R11: ffff888009a08040 R12: 0000000000000000
[   58.198199][ T1072] R13: ffff88800d992128 R14: ffff88800d992008 R15: ffff88800d992000
[   58.198858][ T1072] FS:  00007f5f53276800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   58.199470][ T1072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.199876][ T1072] CR2: 00007f5f53626200 CR3: 00000000024f8003 CR4: 0000000000772ef0
[   58.200392][ T1072] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   58.200789][ T1072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   58.201139][ T1072] PKRU: 55555554
[   58.201318][ T1072] Call Trace:
[   58.201487][ T1072]  <TASK>
[ 58.201594][ T1072] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.201809][ T1072] ? __warn (kernel/panic.c:748) 
[ 58.201972][ T1072] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.202211][ T1072] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 58.202455][ T1072] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 58.202624][ T1072] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 58.202838][ T1072] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 58.203074][ T1072] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.203293][ T1072] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 58.203514][ T1072] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 58.203777][ T1072] ? _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) 
[ 58.203993][ T1072] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 58.204205][ T1072] register_netdevice (net/core/dev.c:11003) 
[ 58.204450][ T1072] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 58.204703][ T1072] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 58.204948][ T1072] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 58.205220][ T1072] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 58.205526][ T1072] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 58.205798][ T1072] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 58.206067][ T1072] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 58.206342][ T1072] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 58.206615][ T1072] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 58.206840][ T1072] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 58.207115][ T1072] devlink_reload (net/devlink/dev.c:474) 
[ 58.207346][ T1072] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 58.207566][ T1072] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 58.207838][ T1072] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 58.208049][ T1072] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 58.208326][ T1072] ? __nla_parse (lib/nlattr.c:732) 
[ 58.208555][ T1072] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 58.208765][ T1072] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 58.209040][ T1072] ? cap_capable (security/commoncap.c:131) 
[ 58.209271][ T1072] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 58.209500][ T1072] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 58.209715][ T1072] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 58.209924][ T1072] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 58.210188][ T1072] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 58.210464][ T1072] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 58.210736][ T1072] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 58.210955][ T1072] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 58.211162][ T1072] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 58.211394][ T1072] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 58.211618][ T1072] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 58.211781][ T1072] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 58.212000][ T1072] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 58.212219][ T1072] genl_rcv (net/netlink/genetlink.c:1220) 
[ 58.212397][ T1072] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 58.212623][ T1072] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 58.212831][ T1072] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 58.213050][ T1072] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 58.213277][ T1072] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 58.213483][ T1072] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 58.213728][ T1072] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 58.213947][ T1072] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 58.214162][ T1072] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 58.214400][ T1072] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 58.214617][ T1072] ? __sys_recvmsg (net/socket.c:2859) 
[ 58.214830][ T1072] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 58.215048][ T1072] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 58.215282][ T1072] __x64_sys_sendto (net/socket.c:2181) 
[ 58.215495][ T1072] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 58.215753][ T1072] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 58.215962][ T1072] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.216216][ T1072] RIP: 0033:0x7f5f53482a4a
[ 58.216462][ T1072] 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
[   58.217208][ T1072] RSP: 002b:00007fff9bccfc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   58.217536][ T1072] RAX: ffffffffffffffda RBX: 0000000027fd3b00 RCX: 00007f5f53482a4a
[   58.217851][ T1072] RDX: 0000000000000038 RSI: 0000000027fd3b00 RDI: 0000000000000005
[   58.218154][ T1072] RBP: 0000000027fd3910 R08: 00007f5f53626200 R09: 000000000000000c
[   58.218478][ T1072] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   58.218782][ T1072] R13: 0000000027fd3910 R14: 0000000000000000 R15: 0000000000000003
| [   59.441781][ T1097] ------------[ cut here ]------------
| [ 59.442182][ T1097] WARNING: CPU: 0 PID: 1097 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) 
| [   59.442869][ T1097] Modules linked in: netdevsim
| [   59.443863][ T1097] Tainted: [W]=WARN
[   59.444117][ T1097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.444570][ T1097] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.445040][ T1097] 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
[   59.446215][ T1097] RSP: 0018:ffffc900029271e8 EFLAGS: 00010246
[   59.446663][ T1097] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   59.447166][ T1097] RDX: 0000000000000000 RSI: ffff88800d39ac98 RDI: ffff888009832dc0
[   59.447670][ T1097] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   59.448152][ T1097] R10: ffffffff899ec1e7 R11: ffff888009832300 R12: 0000000000000000
[   59.448647][ T1097] R13: ffff88800d39a128 R14: ffff88800d39a008 R15: ffff88800d39a000
[   59.449138][ T1097] FS:  00007f62e484c800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   59.449711][ T1097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.450116][ T1097] CR2: 0000556b8565edec CR3: 000000000a140001 CR4: 0000000000772ef0
[   59.450626][ T1097] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.451133][ T1097] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   59.451649][ T1097] PKRU: 55555554
[   59.451897][ T1097] Call Trace:
[   59.452135][ T1097]  <TASK>
[ 59.452328][ T1097] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.452659][ T1097] ? __warn (kernel/panic.c:748) 
[ 59.452913][ T1097] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.453267][ T1097] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 59.453606][ T1097] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 59.453849][ T1097] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 59.454185][ T1097] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 59.454556][ T1097] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.454882][ T1097] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 59.455207][ T1097] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 59.455642][ T1097] ? _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) 
[ 59.455987][ T1097] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 59.456344][ T1097] register_netdevice (net/core/dev.c:11003) 
[ 59.456693][ T1097] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 59.457035][ T1097] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 59.457405][ T1097] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 59.457835][ T1097] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 59.458283][ T1097] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 59.458715][ T1097] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 59.459133][ T1097] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 59.459565][ T1097] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 59.459981][ T1097] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 59.460323][ T1097] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 59.460760][ T1097] devlink_reload (net/devlink/dev.c:474) 
[ 59.461091][ T1097] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 59.461440][ T1097] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 59.461895][ T1097] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 59.462221][ T1097] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 59.462664][ T1097] ? __nla_parse (lib/nlattr.c:732) 
[ 59.463036][ T1097] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 59.463394][ T1097] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 59.463825][ T1097] ? cap_capable (security/commoncap.c:131) 
[ 59.464167][ T1097] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 59.464525][ T1097] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 59.464868][ T1097] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 59.465199][ T1097] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 59.465625][ T1097] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 59.465878][ T1097] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 59.466161][ T1097] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 59.466379][ T1097] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 59.466582][ T1097] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 59.466805][ T1097] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 59.467028][ T1097] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 59.467200][ T1097] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 59.467410][ T1097] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 59.467634][ T1097] genl_rcv (net/netlink/genetlink.c:1220) 
[ 59.467790][ T1097] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 59.468001][ T1097] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 59.468219][ T1097] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 59.468441][ T1097] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 59.468653][ T1097] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 59.468863][ T1097] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 59.469085][ T1097] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 59.469314][ T1097] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 59.469524][ T1097] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 59.469733][ T1097] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 59.469942][ T1097] ? __sys_recvmsg (net/socket.c:2859) 
[ 59.470206][ T1097] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 59.470568][ T1097] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 59.470899][ T1097] __x64_sys_sendto (net/socket.c:2181) 
[ 59.471225][ T1097] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 59.471652][ T1097] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 59.471942][ T1097] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.472208][ T1097] RIP: 0033:0x7f62e4a58a4a
[ 59.472434][ T1097] 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
[   59.473143][ T1097] RSP: 002b:00007ffd9dc905f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   59.473464][ T1097] RAX: ffffffffffffffda RBX: 000000000ed8db00 RCX: 00007f62e4a58a4a
[   59.473758][ T1097] RDX: 0000000000000038 RSI: 000000000ed8db00 RDI: 0000000000000005
[   59.474049][ T1097] RBP: 000000000ed8d910 R08: 00007f62e4bfc200 R09: 000000000000000c
[   59.474549][ T1097] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   59.475061][ T1097] R13: 000000000ed8d910 R14: 0000000000000000 R15: 0000000000000003
| [   62.532921][ T1130] ------------[ cut here ]------------
| [ 62.533186][ T1130] WARNING: CPU: 1 PID: 1130 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) 
| [   62.533700][ T1130] Modules linked in: netdevsim
| [   62.534343][ T1130] Tainted: [W]=WARN
[   62.534521][ T1130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.534807][ T1130] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 62.535099][ T1130] 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
[   62.535876][ T1130] RSP: 0018:ffffc90002ac71e8 EFLAGS: 00010246
[   62.536144][ T1130] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   62.536479][ T1130] RDX: 0000000000000000 RSI: ffff88800d9a2c98 RDI: ffff88800936adc0
[   62.536814][ T1130] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   62.537224][ T1130] R10: ffffffff899ec1e7 R11: ffff88800936a300 R12: 0000000000000000
[   62.537607][ T1130] R13: ffff88800d9a2128 R14: ffff88800d9a2008 R15: ffff88800d9a2000
[   62.537919][ T1130] FS:  00007fe24f759800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   62.538298][ T1130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.538579][ T1130] CR2: 00007f66dd78b2f0 CR3: 0000000004e64005 CR4: 0000000000772ef0
[   62.538893][ T1130] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   62.539209][ T1130] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   62.539553][ T1130] PKRU: 55555554
[   62.539718][ T1130] Call Trace:
[   62.539881][ T1130]  <TASK>
[ 62.539991][ T1130] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 62.540210][ T1130] ? __warn (kernel/panic.c:748) 
[ 62.540389][ T1130] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 62.540610][ T1130] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 62.540835][ T1130] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 62.541005][ T1130] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 62.541225][ T1130] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 62.541471][ T1130] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 62.541684][ T1130] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 62.541900][ T1130] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 62.542176][ T1130] ? _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) 
[ 62.542404][ T1130] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 62.542627][ T1130] register_netdevice (net/core/dev.c:11003) 
[ 62.542854][ T1130] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 62.543076][ T1130] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 62.543333][ T1130] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 62.543718][ T1130] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 62.544151][ T1130] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 62.544608][ T1130] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 62.545053][ T1130] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 62.545504][ T1130] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 62.545924][ T1130] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 62.546276][ T1130] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 62.546737][ T1130] devlink_reload (net/devlink/dev.c:474) 
[ 62.547075][ T1130] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 62.547431][ T1130] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 62.547875][ T1130] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 62.548223][ T1130] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 62.548644][ T1130] ? __nla_parse (lib/nlattr.c:732) 
[ 62.548998][ T1130] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 62.549362][ T1130] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 62.549799][ T1130] ? cap_capable (security/commoncap.c:131) 
[ 62.550135][ T1130] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 62.550495][ T1130] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 62.550838][ T1130] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 62.551175][ T1130] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 62.551603][ T1130] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 62.552012][ T1130] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 62.552455][ T1130] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 62.552771][ T1130] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 62.553093][ T1130] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 62.553449][ T1130] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 62.553805][ T1130] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 62.554068][ T1130] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 62.554429][ T1130] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 62.554732][ T1130] genl_rcv (net/netlink/genetlink.c:1220) 
[ 62.554896][ T1130] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 62.555113][ T1130] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 62.555340][ T1130] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 62.555580][ T1130] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 62.555817][ T1130] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 62.556015][ T1130] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 62.556216][ T1130] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 62.556439][ T1130] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 62.556661][ T1130] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 62.556872][ T1130] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 62.557076][ T1130] ? __sys_recvmsg (net/socket.c:2859) 
[ 62.557284][ T1130] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 62.557499][ T1130] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 62.557706][ T1130] __x64_sys_sendto (net/socket.c:2181) 
[ 62.557903][ T1130] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 62.558146][ T1130] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 62.558354][ T1130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.558613][ T1130] RIP: 0033:0x7fe24f965a4a
[ 62.558825][ T1130] 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
[   62.559545][ T1130] RSP: 002b:00007fff1f4b4ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   62.559843][ T1130] RAX: ffffffffffffffda RBX: 000000000cae4b00 RCX: 00007fe24f965a4a
[   62.560137][ T1130] RDX: 0000000000000038 RSI: 000000000cae4b00 RDI: 0000000000000005
[   62.560452][ T1130] RBP: 000000000cae4910 R08: 00007fe24fb09200 R09: 000000000000000c
[   62.560746][ T1130] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   62.561033][ T1130] R13: 000000000cae4910 R14: 0000000000000000 R15: 0000000000000003
| [   65.560017][ T1161] ------------[ cut here ]------------
| [ 65.560760][ T1161] WARNING: CPU: 0 PID: 1161 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) 
| [   65.561369][ T1161] Modules linked in: netdevsim
| [   65.562282][ T1161] Tainted: [W]=WARN
[   65.562564][ T1161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.562965][ T1161] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 65.563416][ T1161] 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
[   65.564573][ T1161] RSP: 0018:ffffc90002c371e8 EFLAGS: 00010246
[   65.564975][ T1161] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   65.565459][ T1161] RDX: 0000000000000000 RSI: ffff88800d392c98 RDI: ffff88800d2e2dc0
[   65.565936][ T1161] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   65.566428][ T1161] R10: ffffffff899ec1e7 R11: ffff88800d2e2300 R12: 0000000000000000
[   65.566915][ T1161] R13: ffff88800d392128 R14: ffff88800d392008 R15: ffff88800d392000
[   65.567400][ T1161] FS:  00007ff506315800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   65.567956][ T1161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.568368][ T1161] CR2: 00007ff5066c5200 CR3: 000000000d306006 CR4: 0000000000772ef0
[   65.568845][ T1161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   65.569330][ T1161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   65.569806][ T1161] PKRU: 55555554
[   65.570054][ T1161] Call Trace:
[   65.570312][ T1161]  <TASK>
[ 65.570481][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 65.570806][ T1161] ? __warn (kernel/panic.c:748) 
[ 65.571058][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 65.571397][ T1161] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 65.571736][ T1161] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 65.571985][ T1161] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 65.572320][ T1161] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 65.572664][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 65.572987][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 65.573335][ T1161] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 65.573743][ T1161] ? _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) 
[ 65.574083][ T1161] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 65.574426][ T1161] register_netdevice (net/core/dev.c:11003) 
[ 65.574758][ T1161] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 65.575097][ T1161] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 65.575469][ T1161] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 65.575894][ T1161] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 65.576358][ T1161] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 65.576790][ T1161] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 65.577217][ T1161] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 65.577658][ T1161] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 65.578070][ T1161] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 65.578413][ T1161] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 65.578852][ T1161] devlink_reload (net/devlink/dev.c:474) 
[ 65.579193][ T1161] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 65.579550][ T1161] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 65.579976][ T1161] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 65.580314][ T1161] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 65.580713][ T1161] ? __nla_parse (lib/nlattr.c:732) 
[ 65.581051][ T1161] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 65.581397][ T1161] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 65.581815][ T1161] ? cap_capable (security/commoncap.c:131) 
[ 65.582131][ T1161] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 65.582474][ T1161] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 65.582803][ T1161] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 65.583119][ T1161] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 65.583520][ T1161] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 65.583908][ T1161] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 65.584337][ T1161] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 65.584658][ T1161] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 65.584974][ T1161] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 65.585311][ T1161] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 65.585656][ T1161] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 65.585898][ T1161] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 65.586222][ T1161] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 65.586573][ T1161] genl_rcv (net/netlink/genetlink.c:1220) 
[ 65.586829][ T1161] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 65.587153][ T1161] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 65.587482][ T1161] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 65.587815][ T1161] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 65.588144][ T1161] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 65.588477][ T1161] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 65.588797][ T1161] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 65.589137][ T1161] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 65.589478][ T1161] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 65.589810][ T1161] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 65.590141][ T1161] ? __sys_recvmsg (net/socket.c:2859) 
[ 65.590476][ T1161] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 65.590814][ T1161] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 65.591147][ T1161] __x64_sys_sendto (net/socket.c:2181) 
[ 65.591483][ T1161] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 65.591878][ T1161] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 65.592203][ T1161] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.592613][ T1161] RIP: 0033:0x7ff506521a4a
[ 65.592936][ T1161] 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
[   65.594042][ T1161] RSP: 002b:00007ffe0e249128 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   65.594540][ T1161] RAX: ffffffffffffffda RBX: 00000000047afb00 RCX: 00007ff506521a4a
[   65.595013][ T1161] RDX: 0000000000000038 RSI: 00000000047afb00 RDI: 0000000000000005
[   65.595488][ T1161] RBP: 00000000047af910 R08: 00007ff5066c5200 R09: 000000000000000c
[   65.595955][ T1161] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   65.596428][ T1161] R13: 00000000047af910 R14: 0000000000000000 R15: 0000000000000003
| [   68.227370][ T1189] ------------[ cut here ]------------
| [ 68.227643][ T1189] WARNING: CPU: 1 PID: 1189 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) 
| [   68.228061][ T1189] Modules linked in: netdevsim
| [   68.229399][ T1189] Tainted: [W]=WARN
[   68.229552][ T1189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.229793][ T1189] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 68.230049][ T1189] 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
[   68.230736][ T1189] RSP: 0018:ffffc90002df71e8 EFLAGS: 00010246
[   68.230988][ T1189] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   68.231301][ T1189] RDX: 0000000000000000 RSI: ffff88800d992c98 RDI: ffff88800611adc0
[   68.231593][ T1189] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   68.231885][ T1189] R10: ffffffff899ec1e7 R11: ffff88800611a300 R12: 0000000000000000
[   68.232174][ T1189] R13: ffff88800d992128 R14: ffff88800d992008 R15: ffff88800d992000
[   68.232486][ T1189] FS:  00007f01c7c42800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   68.232832][ T1189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.233078][ T1189] CR2: 00007f6bfaa087d0 CR3: 000000000a39a004 CR4: 0000000000772ef0
[   68.233395][ T1189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   68.233704][ T1189] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   68.233998][ T1189] PKRU: 55555554
[   68.234150][ T1189] Call Trace:
[   68.234321][ T1189]  <TASK>
[ 68.234427][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 68.234631][ T1189] ? __warn (kernel/panic.c:748) 
[ 68.234785][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 68.234991][ T1189] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 68.235198][ T1189] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 68.235362][ T1189] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 68.235559][ T1189] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 68.235768][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 68.235973][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 68.236192][ T1189] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 68.236446][ T1189] ? _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) 
[ 68.236674][ T1189] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 68.236883][ T1189] register_netdevice (net/core/dev.c:11003) 
[ 68.237088][ T1189] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 68.237305][ T1189] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 68.237544][ T1189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 68.237812][ T1189] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 68.238077][ T1189] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 68.238359][ T1189] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 68.238626][ T1189] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 68.238879][ T1189] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 68.239130][ T1189] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 68.239399][ T1189] devlink_reload (net/devlink/dev.c:474) 
[ 68.239620][ T1189] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 68.239823][ T1189] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 68.240075][ T1189] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 68.240294][ T1189] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 68.240574][ T1189] ? __nla_parse (lib/nlattr.c:732) 
[ 68.240785][ T1189] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 68.241000][ T1189] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 68.241281][ T1189] ? cap_capable (security/commoncap.c:131) 
[ 68.241482][ T1189] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 68.241698][ T1189] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 68.241908][ T1189] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 68.242116][ T1189] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 68.242372][ T1189] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 68.242626][ T1189] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 68.242888][ T1189] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 68.243102][ T1189] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 68.243311][ T1189] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 68.243524][ T1189] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 68.243733][ T1189] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 68.243882][ T1189] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 68.244094][ T1189] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 68.244337][ T1189] genl_rcv (net/netlink/genetlink.c:1220) 
[ 68.244491][ T1189] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 68.244692][ T1189] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 68.244902][ T1189] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 68.245111][ T1189] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 68.245343][ T1189] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 68.245537][ T1189] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 68.245736][ T1189] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 68.245954][ T1189] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 68.246159][ T1189] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 68.246390][ T1189] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 68.246617][ T1189] ? __sys_recvmsg (net/socket.c:2859) 
[ 68.246828][ T1189] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 68.247036][ T1189] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 68.247265][ T1189] __x64_sys_sendto (net/socket.c:2181) 
[ 68.247471][ T1189] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 68.247727][ T1189] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 68.247927][ T1189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   68.248172][ T1189] RIP: 0033:0x7f01c7e4ea4a
[ 68.248399][ T1189] 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
[   68.249076][ T1189] RSP: 002b:00007ffd6a002008 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   68.249404][ T1189] RAX: ffffffffffffffda RBX: 0000000017ac4b00 RCX: 00007f01c7e4ea4a
[   68.249716][ T1189] RDX: 0000000000000038 RSI: 0000000017ac4b00 RDI: 0000000000000005
[   68.250008][ T1189] RBP: 0000000017ac4910 R08: 00007f01c7ff2200 R09: 000000000000000c
[   68.250309][ T1189] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   68.250599][ T1189] R13: 0000000017ac4910 R14: 0000000000000000 R15: 0000000000000003
| [   78.585798][ T1409] ------------[ cut here ]------------
| [ 78.586104][ T1409] WARNING: CPU: 0 PID: 1409 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) 
| [   78.586604][ T1409] Modules linked in: netdevsim
| [   78.587214][ T1409] Tainted: [W]=WARN
[   78.587379][ T1409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 78.587622][ T1409] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 78.587882][ T1409] 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
[   78.588560][ T1409] RSP: 0018:ffffc900035f71e8 EFLAGS: 00010246
[   78.588810][ T1409] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   78.589098][ T1409] RDX: 0000000000000000 RSI: ffff88800d39ac98 RDI: ffff88800205adc0
[   78.589396][ T1409] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   78.589682][ T1409] R10: ffffffff899ec1e7 R11: ffff88800205a300 R12: 0000000000000000
[   78.589992][ T1409] R13: ffff88800d39a128 R14: ffff88800d39a008 R15: ffff88800d39a000
[   78.590326][ T1409] FS:  00007f02bccbf800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   78.590690][ T1409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.590931][ T1409] CR2: 00007f02bd06f200 CR3: 000000000d2fe005 CR4: 0000000000772ef0
[   78.591218][ T1409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   78.591550][ T1409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   78.591840][ T1409] PKRU: 55555554
[   78.591984][ T1409] Call Trace:
[   78.592129][ T1409]  <TASK>
[ 78.592229][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 78.592470][ T1409] ? __warn (kernel/panic.c:748) 
[ 78.592620][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 78.592812][ T1409] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 78.593041][ T1409] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 78.593222][ T1409] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 78.593432][ T1409] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 78.593658][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 78.593852][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 78.594056][ T1409] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 78.594324][ T1409] ? _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) 
[ 78.594532][ T1409] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 78.594732][ T1409] register_netdevice (net/core/dev.c:11003) 
[ 78.594929][ T1409] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 78.595130][ T1409] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 78.595362][ T1409] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 78.595612][ T1409] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 78.595891][ T1409] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 78.596153][ T1409] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 78.596453][ T1409] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 78.596727][ T1409] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 78.596977][ T1409] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 78.597173][ T1409] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 78.597451][ T1409] devlink_reload (net/devlink/dev.c:474) 
[ 78.597657][ T1409] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 78.597857][ T1409] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 78.598104][ T1409] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 78.598311][ T1409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 78.598552][ T1409] ? __nla_parse (lib/nlattr.c:732) 
[ 78.598760][ T1409] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 78.598962][ T1409] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 78.599215][ T1409] ? cap_capable (security/commoncap.c:131) 
[ 78.599419][ T1409] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 78.599621][ T1409] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 78.599818][ T1409] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 78.600012][ T1409] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 78.600256][ T1409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 78.600492][ T1409] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 78.600738][ T1409] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 78.600932][ T1409] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 78.601127][ T1409] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 78.601334][ T1409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 78.601540][ T1409] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 78.601685][ T1409] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 78.601882][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 78.602079][ T1409] genl_rcv (net/netlink/genetlink.c:1220) 
[ 78.602224][ T1409] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 78.602427][ T1409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 78.602624][ T1409] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 78.602826][ T1409] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 78.603022][ T1409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 78.603219][ T1409] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 78.603424][ T1409] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 78.603625][ T1409] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 78.603820][ T1409] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 78.604022][ T1409] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 78.604217][ T1409] ? __sys_recvmsg (net/socket.c:2859) 
[ 78.604415][ T1409] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 78.604615][ T1409] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 78.604813][ T1409] __x64_sys_sendto (net/socket.c:2181) 
[ 78.605005][ T1409] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 78.605256][ T1409] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 78.605501][ T1409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   78.605757][ T1409] RIP: 0033:0x7f02bcecba4a
[ 78.605972][ T1409] 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
[   78.606729][ T1409] RSP: 002b:00007ffff883dc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   78.607042][ T1409] RAX: ffffffffffffffda RBX: 000000002b40cb00 RCX: 00007f02bcecba4a
[   78.607348][ T1409] RDX: 0000000000000038 RSI: 000000002b40cb00 RDI: 0000000000000005
[   78.607647][ T1409] RBP: 000000002b40c910 R08: 00007f02bd06f200 R09: 000000000000000c
[   78.607939][ T1409] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   78.608257][ T1409] R13: 000000002b40c910 R14: 0000000000000000 R15: 0000000000000003
| [   79.610778][ T1426] ------------[ cut here ]------------
| [ 79.611074][ T1426] WARNING: CPU: 3 PID: 1426 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) 
| [   79.611502][ T1426] Modules linked in: netdevsim
| [   79.612120][ T1426] Tainted: [W]=WARN
[   79.612281][ T1426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.612519][ T1426] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 79.612775][ T1426] 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
[   79.613473][ T1426] RSP: 0018:ffffc900036971e8 EFLAGS: 00010246
[   79.613725][ T1426] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   79.614016][ T1426] RDX: 0000000000000000 RSI: ffff88800d14ac98 RDI: ffff888009298b00
[   79.614315][ T1426] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   79.614602][ T1426] R10: ffffffff899ec1e7 R11: ffff888009298040 R12: 0000000000000000
[   79.615051][ T1426] R13: ffff88800d14a128 R14: ffff88800d14a008 R15: ffff88800d14a000
[   79.615544][ T1426] FS:  00007fc3e7c11800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   79.615916][ T1426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.616159][ T1426] CR2: 00007f6bfa9eb5a0 CR3: 0000000009082001 CR4: 0000000000772ef0
[   79.616460][ T1426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   79.616792][ T1426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   79.617097][ T1426] PKRU: 55555554
[   79.617261][ T1426] Call Trace:
[   79.617417][ T1426]  <TASK>
[ 79.617524][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 79.617755][ T1426] ? __warn (kernel/panic.c:748) 
[ 79.617914][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 79.618124][ T1426] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 79.618347][ T1426] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 79.618508][ T1426] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 79.618722][ T1426] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 79.618941][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 79.619157][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 79.619380][ T1426] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 79.619652][ T1426] ? _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) 
[ 79.619871][ T1426] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 79.620082][ T1426] register_netdevice (net/core/dev.c:11003) 
[ 79.620303][ T1426] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 79.620526][ T1426] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 79.620830][ T1426] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 79.621288][ T1426] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 79.621739][ T1426] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 79.622187][ T1426] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 79.622645][ T1426] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 79.623077][ T1426] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 79.623404][ T1426] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 79.623613][ T1426] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 79.623897][ T1426] devlink_reload (net/devlink/dev.c:474) 
[ 79.624107][ T1426] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 79.624327][ T1426] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 79.624599][ T1426] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 79.624824][ T1426] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 79.625083][ T1426] ? __nla_parse (lib/nlattr.c:732) 
[ 79.625312][ T1426] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 79.625524][ T1426] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 79.625863][ T1426] ? cap_capable (security/commoncap.c:131) 
[ 79.626068][ T1426] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 79.626299][ T1426] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 79.626508][ T1426] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 79.626740][ T1426] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 79.626996][ T1426] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 79.627259][ T1426] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 79.627527][ T1426] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 79.627753][ T1426] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 79.627971][ T1426] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 79.628174][ T1426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 79.628398][ T1426] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 79.628557][ T1426] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 79.628775][ T1426] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 79.628985][ T1426] genl_rcv (net/netlink/genetlink.c:1220) 
[ 79.629143][ T1426] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 79.629369][ T1426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 79.629577][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 79.629829][ T1426] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 79.630042][ T1426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 79.630259][ T1426] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 79.630470][ T1426] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 79.630715][ T1426] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 79.631070][ T1426] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 79.631292][ T1426] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 79.631489][ T1426] ? __sys_recvmsg (net/socket.c:2859) 
[ 79.631690][ T1426] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 79.631893][ T1426] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 79.632088][ T1426] __x64_sys_sendto (net/socket.c:2181) 
[ 79.632290][ T1426] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 79.632526][ T1426] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 79.632727][ T1426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   79.632963][ T1426] RIP: 0033:0x7fc3e7e1da4a
[ 79.633158][ T1426] 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
[   79.633823][ T1426] RSP: 002b:00007ffebcd95e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   79.634111][ T1426] RAX: ffffffffffffffda RBX: 0000000008163b00 RCX: 00007fc3e7e1da4a
[   79.634396][ T1426] RDX: 0000000000000038 RSI: 0000000008163b00 RDI: 0000000000000005
[   79.634688][ T1426] RBP: 0000000008163910 R08: 00007fc3e7fc1200 R09: 000000000000000c
[   79.634990][ T1426] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   79.635287][ T1426] R13: 0000000008163910 R14: 0000000000000000 R15: 0000000000000003
| [   80.586186][ T1442] ------------[ cut here ]------------
| [ 80.586537][ T1442] WARNING: CPU: 2 PID: 1442 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) 
| [   80.586934][ T1442] Modules linked in: netdevsim
| [   80.587532][ T1442] Tainted: [W]=WARN
[   80.587693][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.587941][ T1442] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.588199][ T1442] 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
[   80.588888][ T1442] RSP: 0018:ffffc900037371e8 EFLAGS: 00010246
[   80.589143][ T1442] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   80.589451][ T1442] RDX: 0000000000000000 RSI: ffff88800d9a2c98 RDI: ffff88800205adc0
[   80.589748][ T1442] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   80.590040][ T1442] R10: ffffffff899ec1e7 R11: ffff88800205a300 R12: 0000000000000000
[   80.590348][ T1442] R13: ffff88800d9a2128 R14: ffff88800d9a2008 R15: ffff88800d9a2000
[   80.590645][ T1442] FS:  00007f0acd4ca800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   80.590980][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.591258][ T1442] CR2: 00007f0acd87a200 CR3: 000000000d088003 CR4: 0000000000772ef0
[   80.591563][ T1442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   80.591857][ T1442] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   80.592150][ T1442] PKRU: 55555554
[   80.592319][ T1442] Call Trace:
[   80.592479][ T1442]  <TASK>
[ 80.592591][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.592800][ T1442] ? __warn (kernel/panic.c:748) 
[ 80.592960][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.593167][ T1442] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 80.593394][ T1442] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 80.593554][ T1442] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 80.593759][ T1442] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 80.593974][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.594180][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 80.594403][ T1442] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 80.594658][ T1442] ? _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) 
[ 80.594867][ T1442] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 80.595075][ T1442] register_netdevice (net/core/dev.c:11003) 
[ 80.595307][ T1442] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 80.595533][ T1442] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 80.595759][ T1442] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 80.596024][ T1442] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 80.596307][ T1442] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 80.596588][ T1442] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 80.596848][ T1442] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 80.597103][ T1442] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 80.597368][ T1442] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 80.597575][ T1442] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 80.597838][ T1442] devlink_reload (net/devlink/dev.c:474) 
[ 80.598045][ T1442] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 80.598267][ T1442] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 80.598529][ T1442] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 80.598741][ T1442] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 80.599032][ T1442] ? __nla_parse (lib/nlattr.c:732) 
[ 80.599272][ T1442] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 80.599489][ T1442] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 80.599785][ T1442] ? cap_capable (security/commoncap.c:131) 
[ 80.599988][ T1442] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 80.600200][ T1442] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 80.600421][ T1442] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 80.600631][ T1442] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 80.600878][ T1442] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 80.601124][ T1442] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 80.601400][ T1442] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 80.601607][ T1442] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 80.601809][ T1442] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 80.602015][ T1442] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 80.602246][ T1442] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 80.602413][ T1442] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 80.602620][ T1442] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 80.602832][ T1442] genl_rcv (net/netlink/genetlink.c:1220) 
[ 80.602993][ T1442] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 80.603203][ T1442] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 80.603437][ T1442] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 80.603650][ T1442] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 80.603861][ T1442] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 80.604064][ T1442] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 80.604284][ T1442] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 80.604498][ T1442] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 80.604706][ T1442] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 80.604946][ T1442] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 80.605161][ T1442] ? __sys_recvmsg (net/socket.c:2859) 
[ 80.605383][ T1442] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 80.605600][ T1442] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 80.605848][ T1442] __x64_sys_sendto (net/socket.c:2181) 
[ 80.606064][ T1442] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 80.606331][ T1442] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 80.606558][ T1442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   80.606821][ T1442] RIP: 0033:0x7f0acd6d6a4a
[ 80.607035][ T1442] 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
[   80.607736][ T1442] RSP: 002b:00007ffc4542b458 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   80.608043][ T1442] RAX: ffffffffffffffda RBX: 00000000075d0b00 RCX: 00007f0acd6d6a4a
[   80.608359][ T1442] RDX: 0000000000000038 RSI: 00000000075d0b00 RDI: 0000000000000005
[   80.608659][ T1442] RBP: 00000000075d0910 R08: 00007f0acd87a200 R09: 000000000000000c
[   80.608956][ T1442] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   80.609264][ T1442] R13: 00000000075d0910 R14: 0000000000000000 R15: 0000000000000003
| [   83.795745][ T1498] ------------[ cut here ]------------
| [ 83.796044][ T1498] WARNING: CPU: 0 PID: 1498 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) 
| [   83.796695][ T1498] Modules linked in: netdevsim
| [   83.797621][ T1498] Tainted: [W]=WARN
[   83.797874][ T1498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 83.798296][ T1498] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 83.798719][ T1498] 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
[   83.799877][ T1498] RSP: 0018:ffffc900039f71e8 EFLAGS: 00010246
[   83.800315][ T1498] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   83.800812][ T1498] RDX: 0000000000000000 RSI: ffff88800d392c98 RDI: ffff88800d2f5080
[   83.801324][ T1498] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   83.801824][ T1498] R10: ffffffff899ec1e7 R11: ffff88800d2f45c0 R12: 0000000000000000
[   83.802333][ T1498] R13: ffff88800d392128 R14: ffff88800d392008 R15: ffff88800d392000
[   83.802828][ T1498] FS:  00007fe74d7be800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   83.803418][ T1498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.803842][ T1498] CR2: 00007f6bfa9e2aa0 CR3: 000000000d30a001 CR4: 0000000000772ef0
[   83.804357][ T1498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   83.804855][ T1498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   83.805363][ T1498] PKRU: 55555554
[   83.805620][ T1498] Call Trace:
[   83.805877][ T1498]  <TASK>
[ 83.806051][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 83.806405][ T1498] ? __warn (kernel/panic.c:748) 
[ 83.806677][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 83.807018][ T1498] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 83.807386][ T1498] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 83.807645][ T1498] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 83.807983][ T1498] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 83.808356][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 83.808701][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 83.809050][ T1498] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 83.809498][ T1498] ? _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) 
[ 83.809849][ T1498] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 83.810204][ T1498] register_netdevice (net/core/dev.c:11003) 
[ 83.810568][ T1498] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 83.810931][ T1498] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 83.811316][ T1498] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 83.811757][ T1498] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 83.812215][ T1498] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 83.812680][ T1498] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 83.813115][ T1498] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 83.813559][ T1498] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 83.813974][ T1498] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 83.814324][ T1498] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 83.814770][ T1498] devlink_reload (net/devlink/dev.c:474) 
[ 83.815111][ T1498] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 83.815467][ T1498] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 83.815897][ T1498] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 83.816248][ T1498] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 83.816682][ T1498] ? __nla_parse (lib/nlattr.c:732) 
[ 83.817034][ T1498] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 83.817393][ T1498] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 83.817832][ T1498] ? cap_capable (security/commoncap.c:131) 
[ 83.818162][ T1498] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 83.818520][ T1498] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 83.818860][ T1498] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 83.819196][ T1498] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 83.819613][ T1498] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 83.820017][ T1498] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 83.820462][ T1498] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 83.820794][ T1498] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 83.821121][ T1498] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 83.821474][ T1498] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 83.821833][ T1498] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 83.822084][ T1498] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 83.822435][ T1498] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 83.822787][ T1498] genl_rcv (net/netlink/genetlink.c:1220) 
[ 83.823042][ T1498] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 83.823396][ T1498] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 83.823738][ T1498] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 83.824086][ T1498] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 83.824451][ T1498] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 83.824783][ T1498] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 83.825120][ T1498] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 83.825487][ T1498] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 83.825824][ T1498] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 83.826173][ T1498] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 83.826549][ T1498] ? __sys_recvmsg (net/socket.c:2859) 
[ 83.826890][ T1498] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 83.827264][ T1498] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 83.827608][ T1498] __x64_sys_sendto (net/socket.c:2181) 
[ 83.827944][ T1498] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 83.828383][ T1498] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 83.828728][ T1498] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   83.829140][ T1498] RIP: 0033:0x7fe74d9caa4a
[ 83.829497][ T1498] 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
[   83.830678][ T1498] RSP: 002b:00007fff38455018 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   83.831188][ T1498] RAX: ffffffffffffffda RBX: 000000002380cb00 RCX: 00007fe74d9caa4a
[   83.831697][ T1498] RDX: 0000000000000038 RSI: 000000002380cb00 RDI: 0000000000000005
[   83.832191][ T1498] RBP: 000000002380c910 R08: 00007fe74db6e200 R09: 000000000000000c
[   83.832715][ T1498] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   83.833205][ T1498] R13: 000000002380c910 R14: 0000000000000000 R15: 0000000000000003
| [   86.296299][ T1527] ------------[ cut here ]------------
| [ 86.296649][ T1527] WARNING: CPU: 0 PID: 1527 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) 
| [   86.297049][ T1527] Modules linked in: netdevsim
| [   86.297639][ T1527] Tainted: [W]=WARN
[   86.297822][ T1527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 86.298090][ T1527] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 86.298379][ T1527] 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
[   86.299111][ T1527] RSP: 0018:ffffc90003b871e8 EFLAGS: 00010246
[   86.299363][ T1527] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   86.299645][ T1527] RDX: 0000000000000000 RSI: ffff88800d2e2c98 RDI: ffff88800b8f2dc0
[   86.299928][ T1527] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   86.300216][ T1527] R10: ffffffff899ec1e7 R11: ffff88800b8f2300 R12: 0000000000000000
[   86.300509][ T1527] R13: ffff88800d2e2128 R14: ffff88800d2e2008 R15: ffff88800d2e2000
[   86.300792][ T1527] FS:  00007f8056649800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   86.301122][ T1527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.301378][ T1527] CR2: 00007f80569f9200 CR3: 000000000db2c005 CR4: 0000000000772ef0
[   86.301665][ T1527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   86.301948][ T1527] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   86.302245][ T1527] PKRU: 55555554
[   86.302390][ T1527] Call Trace:
[   86.302534][ T1527]  <TASK>
[ 86.302635][ T1527] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 86.302828][ T1527] ? __warn (kernel/panic.c:748) 
[ 86.302977][ T1527] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 86.303170][ T1527] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 86.303384][ T1527] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 86.303537][ T1527] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 86.303726][ T1527] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 86.303931][ T1527] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 86.304129][ T1527] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 86.304340][ T1527] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 86.304606][ T1527] ? _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) 
[ 86.304807][ T1527] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 86.305005][ T1527] register_netdevice (net/core/dev.c:11003) 
[ 86.305205][ T1527] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 86.305424][ T1527] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 86.305637][ T1527] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 86.305889][ T1527] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 86.306143][ T1527] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 86.306400][ T1527] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 86.306665][ T1527] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 86.306915][ T1527] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 86.307159][ T1527] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 86.307363][ T1527] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 86.307616][ T1527] devlink_reload (net/devlink/dev.c:474) 
[ 86.307815][ T1527] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 86.308015][ T1527] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 86.308276][ T1527] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 86.308472][ T1527] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 86.308712][ T1527] ? __nla_parse (lib/nlattr.c:732) 
[ 86.308911][ T1527] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 86.309108][ T1527] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 86.309367][ T1527] ? cap_capable (security/commoncap.c:131) 
[ 86.309558][ T1527] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 86.309758][ T1527] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 86.309968][ T1527] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 86.310165][ T1527] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 86.310414][ T1527] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 86.310647][ T1527] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 86.310912][ T1527] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 86.311105][ T1527] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 86.311303][ T1527] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 86.311559][ T1527] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 86.311770][ T1527] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 86.311920][ T1527] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 86.312133][ T1527] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 86.312348][ T1527] genl_rcv (net/netlink/genetlink.c:1220) 
[ 86.312513][ T1527] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 86.312708][ T1527] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 86.312905][ T1527] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 86.313122][ T1527] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 86.313329][ T1527] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 86.313520][ T1527] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 86.313714][ T1527] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 86.313913][ T1527] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 86.314116][ T1527] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 86.314331][ T1527] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 86.314531][ T1527] ? __sys_recvmsg (net/socket.c:2859) 
[ 86.314730][ T1527] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 86.314932][ T1527] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 86.315130][ T1527] __x64_sys_sendto (net/socket.c:2181) 
[ 86.315334][ T1527] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 86.315595][ T1527] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 86.315789][ T1527] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   86.316029][ T1527] RIP: 0033:0x7f8056855a4a
[ 86.316225][ T1527] 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
[   86.316911][ T1527] RSP: 002b:00007fff91cddd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   86.317194][ T1527] RAX: ffffffffffffffda RBX: 000000003e6c4b00 RCX: 00007f8056855a4a
[   86.317496][ T1527] RDX: 0000000000000038 RSI: 000000003e6c4b00 RDI: 0000000000000005
[   86.317793][ T1527] RBP: 000000003e6c4910 R08: 00007f80569f9200 R09: 000000000000000c
[   86.318073][ T1527] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   86.318362][ T1527] R13: 000000003e6c4910 R14: 0000000000000000 R15: 0000000000000003
| [   88.928515][ T1555] ------------[ cut here ]------------
| [ 88.928847][ T1555] WARNING: CPU: 2 PID: 1555 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) 
| [   88.929340][ T1555] Modules linked in: netdevsim
| [   88.929924][ T1555] Tainted: [W]=WARN
[   88.930092][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 88.930375][ T1555] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.930652][ T1555] 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
[   88.931378][ T1555] RSP: 0018:ffffc90003d271e8 EFLAGS: 00010246
[   88.931634][ T1555] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   88.931938][ T1555] RDX: 0000000000000000 RSI: ffff88800d992c98 RDI: ffff88800205adc0
[   88.932262][ T1555] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[   88.932560][ T1555] R10: ffffffff899ec1e7 R11: ffff88800205a300 R12: 0000000000000000
[   88.932853][ T1555] R13: ffff88800d992128 R14: ffff88800d992008 R15: ffff88800d992000
[   88.933150][ T1555] FS:  00007f827c19e800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   88.933505][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.933753][ T1555] CR2: 00007f827c54e200 CR3: 0000000002a92001 CR4: 0000000000772ef0
[   88.934054][ T1555] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   88.934361][ T1555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   88.934655][ T1555] PKRU: 55555554
[   88.934820][ T1555] Call Trace:
[   88.934979][ T1555]  <TASK>
[ 88.935098][ T1555] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.935329][ T1555] ? __warn (kernel/panic.c:748) 
[ 88.935490][ T1555] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.935710][ T1555] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 88.935933][ T1555] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 88.936105][ T1555] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 88.936335][ T1555] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 88.936584][ T1555] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.936888][ T1555] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 88.937118][ T1555] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 88.937428][ T1555] ? _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) 
[ 88.937653][ T1555] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 88.937871][ T1555] register_netdevice (net/core/dev.c:11003) 
[ 88.938088][ T1555] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 88.938326][ T1555] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 88.938579][ T1555] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 88.938866][ T1555] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 88.939146][ T1555] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 88.939435][ T1555] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 88.939710][ T1555] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 88.939983][ T1555] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 88.940268][ T1555] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 88.940548][ T1555] devlink_reload (net/devlink/dev.c:474) 
[ 88.940781][ T1555] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 88.941018][ T1555] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 88.941306][ T1555] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 88.941525][ T1555] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 88.941795][ T1555] ? __nla_parse (lib/nlattr.c:732) 
[ 88.942024][ T1555] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 88.942252][ T1555] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 88.942528][ T1555] ? cap_capable (security/commoncap.c:131) 
[ 88.942750][ T1555] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 88.942975][ T1555] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 88.943194][ T1555] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 88.943425][ T1555] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 88.943689][ T1555] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 88.943952][ T1555] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 88.944228][ T1555] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 88.944459][ T1555] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 88.944672][ T1555] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 88.944893][ T1555] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 88.945120][ T1555] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 88.945298][ T1555] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 88.945513][ T1555] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 88.945738][ T1555] genl_rcv (net/netlink/genetlink.c:1220) 
[ 88.945907][ T1555] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 88.946127][ T1555] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 88.946354][ T1555] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 88.946592][ T1555] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 88.946810][ T1555] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 88.947021][ T1555] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 88.947265][ T1555] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 88.947490][ T1555] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 88.947707][ T1555] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 88.947928][ T1555] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 88.948147][ T1555] ? __sys_recvmsg (net/socket.c:2859) 
[ 88.948368][ T1555] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 88.948592][ T1555] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 88.948814][ T1555] __x64_sys_sendto (net/socket.c:2181) 
[ 88.949031][ T1555] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 88.949305][ T1555] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 88.949523][ T1555] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   88.949787][ T1555] RIP: 0033:0x7f827c3aaa4a
[ 88.950010][ T1555] 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
[   88.950726][ T1555] RSP: 002b:00007ffda6a5fd48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   88.951038][ T1555] RAX: ffffffffffffffda RBX: 000000001d630b00 RCX: 00007f827c3aaa4a
[   88.951360][ T1555] RDX: 0000000000000038 RSI: 000000001d630b00 RDI: 0000000000000005
[   88.951673][ T1555] RBP: 000000001d630910 R08: 00007f827c54e200 R09: 000000000000000c
[   88.951982][ T1555] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   88.952312][ T1555] R13: 000000001d630910 R14: 0000000000000000 R15: 0000000000000003
| [  114.520400][ T1993] ------------[ cut here ]------------
| [ 114.520648][ T1993] WARNING: CPU: 0 PID: 1993 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) 
| [  114.521055][ T1993] Modules linked in: netdevsim
| [  114.521641][ T1993] Tainted: [W]=WARN
[  114.521801][ T1993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.522057][ T1993] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 114.522333][ T1993] 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
[  114.523043][ T1993] RSP: 0018:ffffc90004e871e8 EFLAGS: 00010246
[  114.523341][ T1993] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  114.523647][ T1993] RDX: 0000000000000000 RSI: ffff88800d39ac98 RDI: ffff88800b460b00
[  114.523957][ T1993] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[  114.524331][ T1993] R10: ffffffff899ec1e7 R11: ffff88800b460040 R12: 0000000000000000
[  114.524642][ T1993] R13: ffff88800d39a128 R14: ffff88800d39a008 R15: ffff88800d39a000
[  114.524957][ T1993] FS:  00007f176a945800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  114.525358][ T1993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.525642][ T1993] CR2: 00007f176acf5200 CR3: 000000000aaa0004 CR4: 0000000000772ef0
[  114.525970][ T1993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  114.526291][ T1993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  114.526639][ T1993] PKRU: 55555554
[  114.526798][ T1993] Call Trace:
[  114.526968][ T1993]  <TASK>
[ 114.527072][ T1993] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 114.527281][ T1993] ? __warn (kernel/panic.c:748) 
[ 114.527435][ T1993] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 114.527635][ T1993] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 114.527840][ T1993] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 114.527991][ T1993] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 114.528187][ T1993] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 114.528414][ T1993] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 114.528618][ T1993] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 114.528820][ T1993] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 114.529070][ T1993] ? _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) 
[ 114.529290][ T1993] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 114.529491][ T1993] register_netdevice (net/core/dev.c:11003) 
[ 114.529697][ T1993] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 114.529903][ T1993] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 114.530117][ T1993] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 114.530388][ T1993] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 114.530654][ T1993] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 114.530913][ T1993] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 114.531167][ T1993] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 114.531429][ T1993] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 114.531676][ T1993] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 114.531871][ T1993] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 114.532135][ T1993] devlink_reload (net/devlink/dev.c:474) 
[ 114.532347][ T1993] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 114.532550][ T1993] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 114.532813][ T1993] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 114.533039][ T1993] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 114.533322][ T1993] ? __nla_parse (lib/nlattr.c:732) 
[ 114.533534][ T1993] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 114.533735][ T1993] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 114.533996][ T1993] ? cap_capable (security/commoncap.c:131) 
[ 114.534195][ T1993] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 114.534408][ T1993] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 114.534608][ T1993] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 114.534811][ T1993] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 114.535053][ T1993] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 114.535301][ T1993] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 114.535563][ T1993] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 114.535769][ T1993] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 114.535963][ T1993] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 114.536165][ T1993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 114.536403][ T1993] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 114.536560][ T1993] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 114.536766][ T1993] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 114.536970][ T1993] genl_rcv (net/netlink/genetlink.c:1220) 
[ 114.537122][ T1993] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 114.537341][ T1993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 114.537541][ T1993] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 114.537748][ T1993] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 114.537950][ T1993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 114.538145][ T1993] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 114.538356][ T1993] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 114.538565][ T1993] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 114.538766][ T1993] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 114.538974][ T1993] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 114.539179][ T1993] ? __sys_recvmsg (net/socket.c:2859) 
[ 114.539387][ T1993] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 114.539596][ T1993] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 114.539820][ T1993] __x64_sys_sendto (net/socket.c:2181) 
[ 114.540035][ T1993] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 114.540319][ T1993] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 114.540541][ T1993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.540810][ T1993] RIP: 0033:0x7f176ab51a4a
[ 114.541032][ T1993] 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
[  114.541789][ T1993] RSP: 002b:00007ffda91edcf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  114.542110][ T1993] RAX: ffffffffffffffda RBX: 000000000805bb00 RCX: 00007f176ab51a4a
[  114.542444][ T1993] RDX: 0000000000000038 RSI: 000000000805bb00 RDI: 0000000000000005
[  114.542764][ T1993] RBP: 000000000805b910 R08: 00007f176acf5200 R09: 000000000000000c
[  114.543078][ T1993] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  114.543420][ T1993] R13: 000000000805b910 R14: 0000000000000000 R15: 0000000000000003
| [  116.333463][ T2025] ------------[ cut here ]------------
| [ 116.333804][ T2025] WARNING: CPU: 3 PID: 2025 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) 
| [  116.334293][ T2025] Modules linked in: netdevsim
| [  116.334948][ T2025] Tainted: [W]=WARN
[  116.335095][ T2025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.335378][ T2025] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 116.335644][ T2025] 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
[  116.336440][ T2025] RSP: 0018:ffffc900050171e8 EFLAGS: 00010246
[  116.336699][ T2025] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  116.337142][ T2025] RDX: 0000000000000000 RSI: ffff88800d14ac98 RDI: ffff88800bbf5080
[  116.337651][ T2025] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[  116.337968][ T2025] R10: ffffffff899ec1e7 R11: ffff88800bbf45c0 R12: 0000000000000000
[  116.338346][ T2025] R13: ffff88800d14a128 R14: ffff88800d14a008 R15: ffff88800d14a000
[  116.338648][ T2025] FS:  00007fceca192800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  116.339020][ T2025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.339360][ T2025] CR2: 00007fceca542200 CR3: 000000000528a001 CR4: 0000000000772ef0
[  116.339651][ T2025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  116.339945][ T2025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  116.340343][ T2025] PKRU: 55555554
[  116.340492][ T2025] Call Trace:
[  116.340641][ T2025]  <TASK>
[ 116.340742][ T2025] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 116.340940][ T2025] ? __warn (kernel/panic.c:748) 
[ 116.341102][ T2025] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 116.341396][ T2025] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 116.341613][ T2025] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 116.341774][ T2025] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 116.341984][ T2025] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 116.342220][ T2025] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 116.342451][ T2025] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 116.342748][ T2025] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 116.343025][ T2025] ? _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) 
[ 116.343269][ T2025] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 116.343489][ T2025] register_netdevice (net/core/dev.c:11003) 
[ 116.343706][ T2025] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 116.343927][ T2025] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 116.344307][ T2025] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 116.344753][ T2025] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 116.345198][ T2025] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 116.345652][ T2025] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 116.346080][ T2025] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 116.346531][ T2025] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 116.346989][ T2025] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 116.347357][ T2025] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 116.347807][ T2025] devlink_reload (net/devlink/dev.c:474) 
[ 116.348163][ T2025] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 116.348563][ T2025] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 116.348845][ T2025] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 116.349073][ T2025] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 116.349352][ T2025] ? __nla_parse (lib/nlattr.c:732) 
[ 116.349571][ T2025] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 116.349785][ T2025] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 116.350107][ T2025] ? cap_capable (security/commoncap.c:131) 
[ 116.350458][ T2025] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 116.350679][ T2025] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 116.350896][ T2025] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 116.351122][ T2025] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 116.351399][ T2025] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 116.351662][ T2025] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 116.351932][ T2025] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 116.352156][ T2025] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 116.352395][ T2025] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 116.352610][ T2025] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 116.352834][ T2025] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 116.353007][ T2025] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 116.353226][ T2025] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 116.353465][ T2025] genl_rcv (net/netlink/genetlink.c:1220) 
[ 116.353624][ T2025] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 116.353838][ T2025] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 116.354119][ T2025] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 116.354478][ T2025] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 116.354801][ T2025] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 116.355025][ T2025] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 116.355225][ T2025] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 116.355460][ T2025] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 116.355659][ T2025] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 116.355859][ T2025] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 116.356073][ T2025] ? __sys_recvmsg (net/socket.c:2859) 
[ 116.356301][ T2025] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 116.356564][ T2025] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 116.356792][ T2025] __x64_sys_sendto (net/socket.c:2181) 
[ 116.357012][ T2025] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 116.357299][ T2025] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 116.357512][ T2025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.357783][ T2025] RIP: 0033:0x7fceca39ea4a
[ 116.358019][ T2025] 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
[  116.358813][ T2025] RSP: 002b:00007ffc7cff0028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  116.359144][ T2025] RAX: ffffffffffffffda RBX: 0000000010c05b00 RCX: 00007fceca39ea4a
[  116.359479][ T2025] RDX: 0000000000000038 RSI: 0000000010c05b00 RDI: 0000000000000005
[  116.359800][ T2025] RBP: 0000000010c05910 R08: 00007fceca542200 R09: 000000000000000c
[  116.360123][ T2025] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  116.360478][ T2025] R13: 0000000010c05910 R14: 0000000000000000 R15: 0000000000000003
| [  117.595279][ T2050] ------------[ cut here ]------------
| [ 117.595526][ T2050] WARNING: CPU: 0 PID: 2050 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) 
| [  117.595911][ T2050] Modules linked in: netdevsim
| [  117.596572][ T2050] Tainted: [W]=WARN
[  117.596731][ T2050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.596987][ T2050] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.597335][ T2050] 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
[  117.598046][ T2050] RSP: 0018:ffffc900050e71e8 EFLAGS: 00010246
[  117.598329][ T2050] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  117.598629][ T2050] RDX: 0000000000000000 RSI: ffff88800d9a2c98 RDI: ffff88800bb70b00
[  117.598926][ T2050] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[  117.599254][ T2050] R10: ffffffff899ec1e7 R11: ffff88800bb70040 R12: 0000000000000000
[  117.599555][ T2050] R13: ffff88800d9a2128 R14: ffff88800d9a2008 R15: ffff88800d9a2000
[  117.599846][ T2050] FS:  00007f74a0e0a800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  117.600208][ T2050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.600487][ T2050] CR2: 00007f74a11ba200 CR3: 000000000db4e002 CR4: 0000000000772ef0
[  117.600794][ T2050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  117.601105][ T2050] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  117.601424][ T2050] PKRU: 55555554
[  117.601579][ T2050] Call Trace:
[  117.601727][ T2050]  <TASK>
[ 117.601828][ T2050] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.602021][ T2050] ? __warn (kernel/panic.c:748) 
[ 117.602184][ T2050] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.602400][ T2050] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 117.602612][ T2050] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 117.602799][ T2050] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 117.602995][ T2050] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 117.603214][ T2050] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.603424][ T2050] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 117.603659][ T2050] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 117.603915][ T2050] ? _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) 
[ 117.604138][ T2050] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 117.604479][ T2050] register_netdevice (net/core/dev.c:11003) 
[ 117.604686][ T2050] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 117.604918][ T2050] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 117.605142][ T2050] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 117.605428][ T2050] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 117.605699][ T2050] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 117.605979][ T2050] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 117.606276][ T2050] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 117.606543][ T2050] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 117.606841][ T2050] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 117.607040][ T2050] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 117.607345][ T2050] devlink_reload (net/devlink/dev.c:474) 
[ 117.607556][ T2050] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 117.607786][ T2050] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 117.608049][ T2050] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 117.608287][ T2050] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 117.608542][ T2050] ? __nla_parse (lib/nlattr.c:732) 
[ 117.608780][ T2050] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 117.608984][ T2050] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 117.609271][ T2050] ? cap_capable (security/commoncap.c:131) 
[ 117.609483][ T2050] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 117.609704][ T2050] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 117.609913][ T2050] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 117.610150][ T2050] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 117.610425][ T2050] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 117.610712][ T2050] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 117.610993][ T2050] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 117.611299][ T2050] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 117.611505][ T2050] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 117.611725][ T2050] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 117.611948][ T2050] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 117.612114][ T2050] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 117.612345][ T2050] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 117.612559][ T2050] genl_rcv (net/netlink/genetlink.c:1220) 
[ 117.612723][ T2050] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 117.612977][ T2050] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 117.613191][ T2050] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 117.613417][ T2050] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 117.613628][ T2050] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 117.613818][ T2050] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 117.614020][ T2050] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 117.614275][ T2050] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 117.614476][ T2050] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 117.614695][ T2050] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 117.614909][ T2050] ? __sys_recvmsg (net/socket.c:2859) 
[ 117.615138][ T2050] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 117.615398][ T2050] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 117.615618][ T2050] __x64_sys_sendto (net/socket.c:2181) 
[ 117.615825][ T2050] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 117.616074][ T2050] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 117.616298][ T2050] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.616554][ T2050] RIP: 0033:0x7f74a1016a4a
[ 117.616789][ T2050] 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
[  117.617475][ T2050] RSP: 002b:00007fffb8a23e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  117.617768][ T2050] RAX: ffffffffffffffda RBX: 000000000139eb00 RCX: 00007f74a1016a4a
[  117.618058][ T2050] RDX: 0000000000000038 RSI: 000000000139eb00 RDI: 0000000000000005
[  117.618394][ T2050] RBP: 000000000139e910 R08: 00007f74a11ba200 R09: 000000000000000c
[  117.618686][ T2050] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  117.618975][ T2050] R13: 000000000139e910 R14: 0000000000000000 R15: 0000000000000003
| [  120.581705][ T2083] ------------[ cut here ]------------
| [ 120.581984][ T2083] WARNING: CPU: 0 PID: 2083 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) 
| [  120.582464][ T2083] Modules linked in: netdevsim
| [  120.583082][ T2083] Tainted: [W]=WARN
[  120.583348][ T2083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.583617][ T2083] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 120.583893][ T2083] 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
[  120.584741][ T2083] RSP: 0018:ffffc900052d71e8 EFLAGS: 00010246
[  120.585022][ T2083] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  120.585430][ T2083] RDX: 0000000000000000 RSI: ffff88800d392c98 RDI: ffff88800bb72dc0
[  120.585763][ T2083] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[  120.586092][ T2083] R10: ffffffff899ec1e7 R11: ffff88800bb72300 R12: 0000000000000000
[  120.586548][ T2083] R13: ffff88800d392128 R14: ffff88800d392008 R15: ffff88800d392000
[  120.586855][ T2083] FS:  00007fd7657ec800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  120.587206][ T2083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.587534][ T2083] CR2: 00007fd765b9c200 CR3: 000000000db52005 CR4: 0000000000772ef0
[  120.587837][ T2083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  120.588137][ T2083] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  120.588447][ T2083] PKRU: 55555554
[  120.588600][ T2083] Call Trace:
[  120.588750][ T2083]  <TASK>
[ 120.588857][ T2083] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 120.589064][ T2083] ? __warn (kernel/panic.c:748) 
[ 120.589225][ T2083] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 120.589449][ T2083] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 120.589665][ T2083] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 120.589824][ T2083] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 120.590026][ T2083] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 120.590299][ T2083] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 120.590512][ T2083] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 120.590722][ T2083] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 120.590978][ T2083] ? _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) 
[ 120.591188][ T2083] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 120.591417][ T2083] register_netdevice (net/core/dev.c:11003) 
[ 120.591633][ T2083] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 120.591851][ T2083] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 120.592072][ T2083] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 120.592353][ T2083] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 120.592631][ T2083] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 120.592909][ T2083] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 120.593177][ T2083] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 120.593438][ T2083] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 120.593685][ T2083] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 120.593880][ T2083] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 120.594146][ T2083] devlink_reload (net/devlink/dev.c:474) 
[ 120.594379][ T2083] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 120.594587][ T2083] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 120.594844][ T2083] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 120.595049][ T2083] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 120.595319][ T2083] ? __nla_parse (lib/nlattr.c:732) 
[ 120.595524][ T2083] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 120.595721][ T2083] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 120.595981][ T2083] ? cap_capable (security/commoncap.c:131) 
[ 120.596184][ T2083] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 120.596418][ T2083] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 120.596625][ T2083] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 120.596829][ T2083] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 120.597072][ T2083] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 120.597341][ T2083] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 120.597607][ T2083] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 120.597813][ T2083] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 120.598029][ T2083] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 120.598286][ T2083] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 120.598546][ T2083] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 120.598720][ T2083] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 120.598948][ T2083] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 120.599184][ T2083] genl_rcv (net/netlink/genetlink.c:1220) 
[ 120.599377][ T2083] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 120.599607][ T2083] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 120.599831][ T2083] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 120.600054][ T2083] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 120.600293][ T2083] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 120.600503][ T2083] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 120.600724][ T2083] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 120.600951][ T2083] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 120.601199][ T2083] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 120.601451][ T2083] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 120.601655][ T2083] ? __sys_recvmsg (net/socket.c:2859) 
[ 120.601862][ T2083] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 120.602082][ T2083] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 120.602313][ T2083] __x64_sys_sendto (net/socket.c:2181) 
[ 120.602546][ T2083] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 120.602799][ T2083] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 120.603020][ T2083] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.603305][ T2083] RIP: 0033:0x7fd7659f8a4a
[ 120.603533][ T2083] 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
[  120.604382][ T2083] RSP: 002b:00007ffc3a02ccf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  120.604747][ T2083] RAX: ffffffffffffffda RBX: 000000002c7f7b00 RCX: 00007fd7659f8a4a
[  120.605119][ T2083] RDX: 0000000000000038 RSI: 000000002c7f7b00 RDI: 0000000000000005
[  120.605498][ T2083] RBP: 000000002c7f7910 R08: 00007fd765b9c200 R09: 000000000000000c
[  120.605829][ T2083] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  120.606150][ T2083] R13: 000000002c7f7910 R14: 0000000000000000 R15: 0000000000000003
| [  123.285188][ T2113] ------------[ cut here ]------------
| [ 123.285506][ T2113] WARNING: CPU: 3 PID: 2113 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) 
| [  123.285949][ T2113] Modules linked in: netdevsim
| [  123.286569][ T2113] Tainted: [W]=WARN
[  123.286740][ T2113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 123.286994][ T2113] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 123.287282][ T2113] 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
[  123.288110][ T2113] RSP: 0018:ffffc900054671e8 EFLAGS: 00010246
[  123.288385][ T2113] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  123.288689][ T2113] RDX: 0000000000000000 RSI: ffff88800d2e2c98 RDI: ffff88800205adc0
[  123.288993][ T2113] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[  123.289327][ T2113] R10: ffffffff899ec1e7 R11: ffff88800205a300 R12: 0000000000000000
[  123.289635][ T2113] R13: ffff88800d2e2128 R14: ffff88800d2e2008 R15: ffff88800d2e2000
[  123.289938][ T2113] FS:  00007f9d2adf4800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  123.290319][ T2113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  123.290578][ T2113] CR2: 0000556b8565edec CR3: 000000000d2c4004 CR4: 0000000000772ef0
[  123.290886][ T2113] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  123.291194][ T2113] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  123.291505][ T2113] PKRU: 55555554
[  123.291666][ T2113] Call Trace:
[  123.291885][ T2113]  <TASK>
[ 123.291994][ T2113] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 123.292203][ T2113] ? __warn (kernel/panic.c:748) 
[ 123.292432][ T2113] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 123.292646][ T2113] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 123.292882][ T2113] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 123.293104][ T2113] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 123.293392][ T2113] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 123.293622][ T2113] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 123.293958][ T2113] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 123.294196][ T2113] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 123.294489][ T2113] ? _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) 
[ 123.294718][ T2113] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 123.294993][ T2113] register_netdevice (net/core/dev.c:11003) 
[ 123.295207][ T2113] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 123.295498][ T2113] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 123.295748][ T2113] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 123.296022][ T2113] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 123.296381][ T2113] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 123.296702][ T2113] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 123.297006][ T2113] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 123.297285][ T2113] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 123.297608][ T2113] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 123.297832][ T2113] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 123.298107][ T2113] devlink_reload (net/devlink/dev.c:474) 
[ 123.298347][ T2113] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 123.298560][ T2113] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 123.298838][ T2113] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 123.299050][ T2113] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 123.299323][ T2113] ? __nla_parse (lib/nlattr.c:732) 
[ 123.299540][ T2113] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 123.299767][ T2113] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 123.300034][ T2113] ? cap_capable (security/commoncap.c:131) 
[ 123.300256][ T2113] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 123.300470][ T2113] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 123.300698][ T2113] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 123.300916][ T2113] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 123.301173][ T2113] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 123.301436][ T2113] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 123.301740][ T2113] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 123.301995][ T2113] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 123.302200][ T2113] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 123.302434][ T2113] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 123.302672][ T2113] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 123.302838][ T2113] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 123.303048][ T2113] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 123.303274][ T2113] genl_rcv (net/netlink/genetlink.c:1220) 
[ 123.303432][ T2113] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 123.303641][ T2113] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 123.303863][ T2113] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 123.304139][ T2113] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 123.304369][ T2113] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 123.304633][ T2113] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 123.304867][ T2113] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 123.305145][ T2113] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 123.305369][ T2113] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 123.305646][ T2113] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 123.305881][ T2113] ? __sys_recvmsg (net/socket.c:2859) 
[ 123.306148][ T2113] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 123.306407][ T2113] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 123.306626][ T2113] __x64_sys_sendto (net/socket.c:2181) 
[ 123.306911][ T2113] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 123.307174][ T2113] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 123.307458][ T2113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  123.307731][ T2113] RIP: 0033:0x7f9d2b000a4a
[ 123.308006][ T2113] 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
[  123.308864][ T2113] RSP: 002b:00007ffdf960fe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  123.309182][ T2113] RAX: ffffffffffffffda RBX: 00000000358ddb00 RCX: 00007f9d2b000a4a
[  123.309602][ T2113] RDX: 0000000000000038 RSI: 00000000358ddb00 RDI: 0000000000000005
[  123.310065][ T2113] RBP: 00000000358dd910 R08: 00007f9d2b1a4200 R09: 000000000000000c
[  123.310396][ T2113] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  123.310716][ T2113] R13: 00000000358dd910 R14: 0000000000000000 R15: 0000000000000003
| [  125.744726][ T2141] ------------[ cut here ]------------
| [ 125.744965][ T2141] WARNING: CPU: 0 PID: 2141 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) 
| [  125.745362][ T2141] Modules linked in: netdevsim
| [  125.745906][ T2141] Tainted: [W]=WARN
[  125.746050][ T2141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 125.746311][ T2141] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 125.746564][ T2141] 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
[  125.747243][ T2141] RSP: 0018:ffffc900055a71e8 EFLAGS: 00010246
[  125.747485][ T2141] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  125.747768][ T2141] RDX: 0000000000000000 RSI: ffff88800d992c98 RDI: ffff888008db8b00
[  125.748052][ T2141] RBP: ffff888005078040 R08: 0000000000000000 R09: fffffbfff133d83c
[  125.749288][ T2141] R10: ffffffff899ec1e7 R11: ffff888008db8040 R12: 0000000000000000
[  125.749578][ T2141] R13: ffff88800d992128 R14: ffff88800d992008 R15: ffff88800d992000
[  125.749863][ T2141] FS:  00007fe80cfa2800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  125.750192][ T2141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  125.750440][ T2141] CR2: 00007fe80d352200 CR3: 000000000ea00004 CR4: 0000000000772ef0
[  125.750721][ T2141] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  125.751003][ T2141] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  125.751291][ T2141] PKRU: 55555554
[  125.751437][ T2141] Call Trace:
[  125.751582][ T2141]  <TASK>
[ 125.751680][ T2141] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 125.751869][ T2141] ? __warn (kernel/panic.c:748) 
[ 125.752015][ T2141] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 125.752207][ T2141] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 125.752416][ T2141] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 125.752564][ T2141] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 125.752755][ T2141] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 125.752959][ T2141] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 125.753151][ T2141] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 125.753354][ T2141] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 125.753597][ T2141] ? _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) 
[ 125.753794][ T2141] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 125.753991][ T2141] register_netdevice (net/core/dev.c:11003) 
[ 125.754187][ T2141] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 125.754403][ T2141] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 125.754628][ T2141] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 125.754877][ T2141] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 125.755130][ T2141] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 125.755393][ T2141] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 125.755649][ T2141] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 125.755909][ T2141] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 125.756152][ T2141] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 125.756428][ T2141] devlink_reload (net/devlink/dev.c:474) 
[ 125.756627][ T2141] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 125.756822][ T2141] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 125.757066][ T2141] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 125.757268][ T2141] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 125.757508][ T2141] ? __nla_parse (lib/nlattr.c:732) 
[ 125.757712][ T2141] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 125.757907][ T2141] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 125.758160][ T2141] ? cap_capable (security/commoncap.c:131) 
[ 125.758359][ T2141] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 125.758559][ T2141] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 125.758755][ T2141] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 125.758955][ T2141] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 125.759188][ T2141] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 125.759431][ T2141] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 125.759691][ T2141] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 125.759888][ T2141] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 125.760078][ T2141] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 125.760283][ T2141] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 125.760488][ T2141] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 125.760633][ T2141] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 125.760822][ T2141] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 125.761023][ T2141] genl_rcv (net/netlink/genetlink.c:1220) 
[ 125.761168][ T2141] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 125.761372][ T2141] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 125.761569][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 125.761773][ T2141] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 125.761971][ T2141] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 125.762161][ T2141] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 125.762363][ T2141] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 125.762562][ T2141] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 125.762760][ T2141] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 125.762960][ T2141] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 125.763159][ T2141] ? __sys_recvmsg (net/socket.c:2859) 
[ 125.763362][ T2141] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 125.763576][ T2141] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 125.763774][ T2141] __x64_sys_sendto (net/socket.c:2181) 
[ 125.763969][ T2141] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 125.764207][ T2141] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 125.764414][ T2141] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  125.764650][ T2141] RIP: 0033:0x7fe80d1aea4a
[ 125.764845][ T2141] 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
[  125.765515][ T2141] RSP: 002b:00007ffcf3b47e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  125.765801][ T2141] RAX: ffffffffffffffda RBX: 0000000017b75b00 RCX: 00007fe80d1aea4a
[  125.766084][ T2141] RDX: 0000000000000038 RSI: 0000000017b75b00 RDI: 0000000000000005
[  125.766410][ T2141] RBP: 0000000017b75910 R08: 00007fe80d352200 R09: 000000000000000c
[  125.766692][ T2141] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  125.766970][ T2141] R13: 0000000017b75910 R14: 0000000000000000 R15: 0000000000000003
| [  126.537959][   T67] ------------[ cut here ]------------
| [ 126.538374][ T67] WARNING: CPU: 1 PID: 67 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) 
| [  126.538751][   T67] Modules linked in: netdevsim
| [  126.539527][   T67] Tainted: [W]=WARN
[  126.539676][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.539914][   T67] Workqueue: netns cleanup_net
[ 126.540160][ T67] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.540508][ T67] 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
[  126.541175][   T67] RSP: 0018:ffffc90000487620 EFLAGS: 00010246
[  126.541447][   T67] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  126.541730][   T67] RDX: 0000000000000000 RSI: ffff88800d39ac98 RDI: ffff888009140b50
[  126.542013][   T67] RBP: ffffffff8bb23440 R08: 0000000000000000 R09: fffffbfff133d83c
[  126.542300][   T67] R10: ffffffff899ec1e7 R11: ffff888009140040 R12: 0000000000000000
[  126.542591][   T67] R13: ffff88800d39a128 R14: ffff88800d39a008 R15: ffff88800d39a000
[  126.542869][   T67] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  126.543194][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  126.543470][   T67] CR2: 00007f40823bc258 CR3: 0000000027328006 CR4: 0000000000772ef0
[  126.543750][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  126.544055][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  126.544359][   T67] PKRU: 55555554
[  126.544526][   T67] Call Trace:
[  126.544670][   T67]  <TASK>
[ 126.544769][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.544959][ T67] ? __warn (kernel/panic.c:748) 
[ 126.545108][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.545308][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 126.545519][ T67] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 126.545663][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 126.545849][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 126.546051][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.546275][ T67] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 126.546538][ T67] ? _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) 
[ 126.546735][ T67] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 126.546930][ T67] register_netdevice (net/core/dev.c:11003) 
[ 126.547124][ T67] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 126.547346][ T67] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 126.547554][ T67] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 126.547799][ T67] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 126.548049][ T67] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 126.548312][ T67] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 126.548587][ T67] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 126.548823][ T67] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 126.549070][ T67] devlink_reload (net/devlink/dev.c:474) 
[ 126.549272][ T67] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 126.549481][ T67] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 126.549680][ T67] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 126.549868][ T67] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 126.550112][ T67] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 126.550337][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 126.550531][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 126.550716][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 126.550913][ T67] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 126.551104][ T67] ? process_one_work (kernel/workqueue.c:3214) 
[ 126.551312][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 126.551530][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 126.551727][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 126.551934][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 126.552127][ T67] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 126.552357][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 126.552619][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 126.552821][ T67] kthread (kernel/kthread.c:464) 
[ 126.552966][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 126.553159][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 126.553380][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 126.553574][ T67] ? __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