======================================
| 0
| xx__-> [   11.792368][  T227] ------------[ cut here ]------------
| [ 11.792799][ T227] WARNING: CPU: 0 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) 
| [   11.793301][  T227] Modules linked in: netdevsim
[   11.794123][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.794434][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.794754][ 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
[   11.795664][  T227] RSP: 0018:ffffc90000aa7520 EFLAGS: 00010246
[   11.795973][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.796348][  T227] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff888004bd50f8
[   11.796706][  T227] RBP: ffffffffb4123440 R08: 0000000000000000 R09: fffffbfff63fd83c
[   11.797080][  T227] R10: ffffffffb1fec1e7 R11: ffff888004bd45c0 R12: 0000000000000000
[   11.797445][  T227] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[   11.797822][  T227] FS:  00007f634841a740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   11.798264][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.798574][  T227] CR2: 00007f089fb71a00 CR3: 0000000008d26005 CR4: 0000000000772ef0
[   11.798938][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.799315][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.799684][  T227] PKRU: 55555554
[   11.799880][  T227] Call Trace:
[   11.800081][  T227]  <TASK>
[ 11.800217][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.800482][ T227] ? __warn (kernel/panic.c:748) 
[ 11.800675][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.800922][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.801257][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.801447][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.801691][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.801934][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.802196][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.802513][ 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) 
[ 11.802762][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.803019][ T227] register_netdevice (net/core/dev.c:11003) 
[ 11.803273][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.803534][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.803799][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.804121][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 11.804312][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.804633][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.804944][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 11.805268][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 11.805529][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 11.805854][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 11.806118][ 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)) 
[ 11.806307][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 11.806571][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 11.806830][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 11.807098][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 11.807347][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 11.807600][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 11.807899][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 11.808162][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 11.808406][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.808645][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.808888][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 11.809148][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 11.809395][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 11.809635][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.809876][ 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) 
[ 11.810139][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 11.810386][ T227] device_add (drivers/base/core.c:3672) 
[ 11.810631][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 11.810878][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 11.811143][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 11.811473][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 11.811796][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.812078][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 11.812329][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.812578][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 11.812829][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 11.813060][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 11.813314][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.813559][ 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) 
[ 11.813838][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 11.814106][ T227] ksys_write (fs/read_write.c:731) 
[ 11.814317][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 11.814563][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 11.814836][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.815096][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.815408][  T227] RIP: 0033:0x7f634855bb77
[ 11.815670][ 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
[   11.816552][  T227] RSP: 002b:00007fff7723df88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.816943][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f634855bb77
[   11.817316][  T227] RDX: 0000000000000007 RSI: 000055f52377e5d0 RDI: 0000000000000001
[   11.817689][  T227] RBP: 000055f52377e5d0 R08: 0000000000000003 R09: 0000000000000077
[   11.818083][  T227] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   11.818462][  T227] R13: 00007f6348617760 R14: 0000000000000007 R15: 00007f63486129c0
| [   12.126852][  T253] ------------[ cut here ]------------
| [ 12.127257][ T253] WARNING: CPU: 2 PID: 253 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.127712][  T253] Modules linked in: netdevsim
| [   12.128378][  T253] Tainted: [W]=WARN
[   12.128602][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.128888][ T253] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.129192][ T253] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.129976][  T253] RSP: 0018:ffffc900007271e8 EFLAGS: 00010246
[   12.130309][  T253] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.130654][  T253] RDX: 0000000000000000 RSI: ffff8880089c2c98 RDI: ffff888009e7adc0
[   12.130984][  T253] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   12.131357][  T253] R10: ffffffffb1fec1e7 R11: ffff888009e7a300 R12: 0000000000000000
[   12.131703][  T253] R13: ffff8880089c2128 R14: ffff8880089c2008 R15: ffff8880089c2000
[   12.132051][  T253] FS:  00007fa0ed29f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   12.132470][  T253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.132763][  T253] CR2: 0000560ed419f918 CR3: 0000000009b3e001 CR4: 0000000000772ef0
[   12.133169][  T253] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.133633][  T253] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.133991][  T253] PKRU: 55555554
[   12.134179][  T253] Call Trace:
[   12.134352][  T253]  <TASK>
[ 12.134478][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.134701][ T253] ? __warn (kernel/panic.c:748) 
[ 12.134887][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.135148][ T253] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.135385][ T253] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.135563][ T253] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.135795][ T253] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.136064][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.136302][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.136539][ T253] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.136842][ T253] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 12.137104][ T253] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.137349][ T253] register_netdevice (net/core/dev.c:11003) 
[ 12.137581][ T253] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.137814][ T253] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.138065][ T253] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.138357][ T253] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.138659][ T253] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.139031][ T253] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.139322][ T253] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.139602][ T253] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.139909][ T253] devlink_reload (net/devlink/dev.c:474) 
[ 12.140169][ T253] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.140418][ T253] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 12.140670][ T253] ? cap_capable (security/commoncap.c:131) 
[ 12.140906][ T253] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 12.141132][ T253] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.141390][ T253] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.141669][ T253] ? __nla_parse (lib/nlattr.c:732) 
[ 12.141906][ T253] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.142165][ T253] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.142471][ T253] ? cap_capable (security/commoncap.c:131) 
[ 12.142703][ T253] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.142959][ T253] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.143216][ T253] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.143463][ T253] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.143751][ T253] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.144058][ T253] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.144361][ T253] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.144603][ T253] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.144870][ T253] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.145137][ T253] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.145401][ T253] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.145631][ T253] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.145921][ T253] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.146204][ T253] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.146401][ T253] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.146653][ T253] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.146917][ T253] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.147194][ T253] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.147440][ T253] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.147699][ T253] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.147946][ T253] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.148225][ T253] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.148483][ T253] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.148728][ T253] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 12.148984][ T253] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 12.149254][ T253] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 12.149512][ T253] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 12.149824][ T253] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 12.150157][ T253] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 12.150403][ T253] __x64_sys_sendto (net/socket.c:2181) 
[ 12.150651][ T253] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.150940][ T253] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.151204][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.151522][  T253] RIP: 0033:0x7fa0ed4aba4a
[ 12.151773][ T253] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   12.152531][  T253] RSP: 002b:00007ffdd4feab98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.152888][  T253] RAX: ffffffffffffffda RBX: 00000000010d3b00 RCX: 00007fa0ed4aba4a
[   12.153237][  T253] RDX: 0000000000000040 RSI: 00000000010d3b00 RDI: 0000000000000005
[   12.153568][  T253] RBP: 00000000010d3910 R08: 00007fa0ed64f200 R09: 000000000000000c
[   12.153893][  T253] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.154255][  T253] R13: 00000000010d3910 R14: 0000000000000000 R15: 0000000000000001
| [   22.632712][  T457] ------------[ cut here ]------------
| [ 22.632974][ T457] WARNING: CPU: 0 PID: 457 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   22.633420][  T457] Modules linked in: netdevsim
| [   22.633983][  T457] Tainted: [W]=WARN
[   22.634141][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.634388][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 22.634639][ T457] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   22.635332][  T457] RSP: 0018:ffffc90000df71e8 EFLAGS: 00010246
[   22.635579][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   22.635874][  T457] RDX: 0000000000000000 RSI: ffff88800b202c98 RDI: ffff888002a75080
[   22.636174][  T457] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   22.636464][  T457] R10: ffffffffb1fec1e7 R11: ffff888002a745c0 R12: 0000000000000000
[   22.636767][  T457] R13: ffff88800b202128 R14: ffff88800b202008 R15: ffff88800b202000
[   22.637072][  T457] FS:  00007ff193499800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   22.637420][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.637675][  T457] CR2: 00007ff193849200 CR3: 0000000008b36002 CR4: 0000000000772ef0
[   22.637983][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.638293][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.638583][  T457] PKRU: 55555554
[   22.638749][  T457] Call Trace:
[   22.638899][  T457]  <TASK>
[ 22.639016][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 22.639232][ T457] ? __warn (kernel/panic.c:748) 
[ 22.639389][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 22.639582][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 22.639787][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 22.639953][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 22.640162][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 22.640376][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 22.640574][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 22.640775][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 22.641040][ T457] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 22.641271][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 22.641494][ T457] register_netdevice (net/core/dev.c:11003) 
[ 22.641701][ T457] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 22.641916][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 22.642151][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 22.642430][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 22.642694][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 22.642971][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 22.643241][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 22.643502][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 22.643746][ T457] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 22.643958][ T457] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 22.644225][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 22.644441][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 22.644653][ T457] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 22.644914][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 22.645141][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 22.645410][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 22.645623][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 22.645838][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 22.646107][ T457] ? cap_capable (security/commoncap.c:131) 
[ 22.646322][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 22.646544][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 22.646752][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 22.646951][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 22.647203][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 22.647451][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 22.647715][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 22.647921][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 22.648129][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 22.648343][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 22.648561][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 22.648714][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 22.648915][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 22.649137][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 22.649302][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 22.649506][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 22.649703][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 22.649909][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 22.650124][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 22.650324][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 22.650527][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 22.650749][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 22.650972][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 22.651214][ T457] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 22.651436][ T457] ? __sys_recvmsg (net/socket.c:2859) 
[ 22.651647][ T457] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 22.651873][ T457] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 22.652101][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 22.652319][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 22.652596][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 22.652817][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.653097][  T457] RIP: 0033:0x7ff1936a5a4a
[ 22.653323][ T457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   22.654090][  T457] RSP: 002b:00007ffdd204f3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.654406][  T457] RAX: ffffffffffffffda RBX: 000000001c058b00 RCX: 00007ff1936a5a4a
[   22.654717][  T457] RDX: 0000000000000038 RSI: 000000001c058b00 RDI: 0000000000000005
[   22.655032][  T457] RBP: 000000001c058910 R08: 00007ff193849200 R09: 000000000000000c
[   22.655343][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   22.655693][  T457] R13: 000000001c058910 R14: 0000000000000000 R15: 0000000000000003
| [   23.719054][  T474] ------------[ cut here ]------------
| [ 23.719405][ T474] WARNING: CPU: 3 PID: 474 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) 
| [   23.719821][  T474] Modules linked in: netdevsim
| [   23.720467][  T474] Tainted: [W]=WARN
[   23.720627][  T474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.720882][ T474] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.721199][ T474] 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
[   23.721920][  T474] RSP: 0018:ffffc90000e771e8 EFLAGS: 00010246
[   23.722660][  T474] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   23.722982][  T474] RDX: 0000000000000000 RSI: ffff888009e2ac98 RDI: ffff88800b0d8b00
[   23.723304][  T474] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   23.723610][  T474] R10: ffffffffb1fec1e7 R11: ffff88800b0d8040 R12: 0000000000000000
[   23.723909][  T474] R13: ffff888009e2a128 R14: ffff888009e2a008 R15: ffff888009e2a000
[   23.724236][  T474] FS:  00007f7279cfa800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   23.724585][  T474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.724847][  T474] CR2: 00007f727a0aa200 CR3: 00000000091c2002 CR4: 0000000000772ef0
[   23.725208][  T474] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.725507][  T474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.725803][  T474] PKRU: 55555554
[   23.725958][  T474] Call Trace:
[   23.726145][  T474]  <TASK>
[ 23.726254][ T474] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.726460][ T474] ? __warn (kernel/panic.c:748) 
[ 23.726619][ T474] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.726822][ T474] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 23.727057][ T474] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 23.727215][ T474] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 23.727417][ T474] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 23.727637][ T474] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 23.727848][ T474] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 23.728081][ T474] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 23.728338][ T474] ? _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) 
[ 23.728546][ T474] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 23.728753][ T474] register_netdevice (net/core/dev.c:11003) 
[ 23.728964][ T474] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 23.729218][ T474] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 23.729440][ T474] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 23.729705][ T474] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 23.729973][ T474] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 23.730263][ T474] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 23.730532][ T474] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 23.730794][ T474] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 23.731075][ T474] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 23.731291][ T474] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 23.731558][ T474] devlink_reload (net/devlink/dev.c:474) 
[ 23.731774][ T474] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 23.731988][ T474] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 23.732277][ T474] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 23.732488][ T474] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 23.732742][ T474] ? __nla_parse (lib/nlattr.c:732) 
[ 23.732958][ T474] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 23.733209][ T474] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 23.733476][ T474] ? cap_capable (security/commoncap.c:131) 
[ 23.733686][ T474] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 23.733899][ T474] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 23.734133][ T474] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 23.734341][ T474] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 23.734595][ T474] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 23.734850][ T474] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 23.735150][ T474] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 23.735361][ T474] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 23.735565][ T474] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 23.735778][ T474] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 23.735994][ T474] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 23.736175][ T474] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 23.736385][ T474] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 23.736597][ T474] genl_rcv (net/netlink/genetlink.c:1220) 
[ 23.736756][ T474] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 23.736965][ T474] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 23.737216][ T474] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 23.737431][ T474] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 23.737640][ T474] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 23.737843][ T474] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 23.738077][ T474] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 23.738293][ T474] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 23.738509][ T474] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 23.738730][ T474] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 23.738938][ T474] ? __sys_recvmsg (net/socket.c:2859) 
[ 23.739163][ T474] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 23.739380][ T474] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 23.739589][ T474] __x64_sys_sendto (net/socket.c:2181) 
[ 23.739796][ T474] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 23.740075][ T474] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 23.740282][ T474] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.740533][  T474] RIP: 0033:0x7f7279f06a4a
[ 23.740744][ T474] 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
[   23.741522][  T474] RSP: 002b:00007fff2e6adec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.741832][  T474] RAX: ffffffffffffffda RBX: 000000001bc81b00 RCX: 00007f7279f06a4a
[   23.742150][  T474] RDX: 0000000000000038 RSI: 000000001bc81b00 RDI: 0000000000000005
[   23.742452][  T474] RBP: 000000001bc81910 R08: 00007f727a0aa200 R09: 000000000000000c
[   23.742752][  T474] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   23.743089][  T474] R13: 000000001bc81910 R14: 0000000000000000 R15: 0000000000000003
| [   24.753615][  T490] ------------[ cut here ]------------
| [ 24.753899][ T490] WARNING: CPU: 1 PID: 490 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) 
| [   24.754368][  T490] Modules linked in: netdevsim
| [   24.754979][  T490] Tainted: [W]=WARN
[   24.755164][  T490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.755419][ T490] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.755690][ T490] 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
[   24.756497][  T490] RSP: 0018:ffffc90000f171e8 EFLAGS: 00010246
[   24.756758][  T490] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   24.757131][  T490] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff888009fc5080
[   24.757433][  T490] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   24.757734][  T490] R10: ffffffffb1fec1e7 R11: ffff888009fc45c0 R12: 0000000000000000
[   24.758048][  T490] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[   24.758355][  T490] FS:  00007fd9a0d78800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   24.758708][  T490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.758974][  T490] CR2: 00007fd9a1128200 CR3: 0000000008ddc002 CR4: 0000000000772ef0
[   24.759297][  T490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.759591][  T490] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.759879][  T490] PKRU: 55555554
[   24.760037][  T490] Call Trace:
[   24.760190][  T490]  <TASK>
[ 24.760298][ T490] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.760505][ T490] ? __warn (kernel/panic.c:748) 
[ 24.760673][ T490] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.760881][ T490] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 24.761132][ T490] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 24.761296][ T490] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 24.761493][ T490] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 24.761706][ T490] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 24.761909][ T490] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 24.762130][ T490] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 24.762379][ T490] ? _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) 
[ 24.762579][ T490] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 24.762779][ T490] register_netdevice (net/core/dev.c:11003) 
[ 24.762977][ T490] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 24.763197][ T490] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 24.763416][ T490] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 24.763688][ T490] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 24.763955][ T490] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 24.764235][ T490] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 24.764490][ T490] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 24.764782][ T490] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 24.765071][ T490] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 24.765269][ T490] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 24.765557][ T490] devlink_reload (net/devlink/dev.c:474) 
[ 24.765763][ T490] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 24.765966][ T490] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 24.766251][ T490] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 24.766465][ T490] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 24.766722][ T490] ? __nla_parse (lib/nlattr.c:732) 
[ 24.766936][ T490] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 24.767164][ T490] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 24.767432][ T490] ? cap_capable (security/commoncap.c:131) 
[ 24.767636][ T490] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 24.767883][ T490] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 24.768110][ T490] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 24.768321][ T490] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 24.768602][ T490] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 24.768860][ T490] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 24.769154][ T490] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 24.769358][ T490] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 24.769555][ T490] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 24.769762][ T490] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 24.769968][ T490] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 24.770139][ T490] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 24.770346][ T490] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 24.770559][ T490] genl_rcv (net/netlink/genetlink.c:1220) 
[ 24.770734][ T490] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 24.770972][ T490] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 24.771217][ T490] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 24.771451][ T490] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 24.771649][ T490] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 24.771841][ T490] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 24.772061][ T490] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 24.772280][ T490] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 24.772483][ T490] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 24.772697][ T490] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 24.772896][ T490] ? __sys_recvmsg (net/socket.c:2859) 
[ 24.773110][ T490] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 24.773334][ T490] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 24.773533][ T490] __x64_sys_sendto (net/socket.c:2181) 
[ 24.773729][ T490] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 24.773973][ T490] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 24.774186][ T490] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.774448][  T490] RIP: 0033:0x7fd9a0f84a4a
[ 24.774646][ T490] 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
[   24.775348][  T490] RSP: 002b:00007ffea2838ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   24.775653][  T490] RAX: ffffffffffffffda RBX: 0000000030a4ab00 RCX: 00007fd9a0f84a4a
[   24.775963][  T490] RDX: 0000000000000038 RSI: 0000000030a4ab00 RDI: 0000000000000005
[   24.776268][  T490] RBP: 0000000030a4a910 R08: 00007fd9a1128200 R09: 000000000000000c
[   24.776592][  T490] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   24.776893][  T490] R13: 0000000030a4a910 R14: 0000000000000000 R15: 0000000000000003
| [   28.234724][  T546] ------------[ cut here ]------------
| [ 28.235105][ T546] WARNING: CPU: 0 PID: 546 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) 
| [   28.235724][  T546] Modules linked in: netdevsim
| [   28.236665][  T546] Tainted: [W]=WARN
[   28.236916][  T546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.237344][ T546] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 28.237721][ T546] 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
[   28.238529][  T546] RSP: 0018:ffffc900011d71e8 EFLAGS: 00010246
[   28.238845][  T546] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   28.239341][  T546] RDX: 0000000000000000 RSI: ffff8880089c2c98 RDI: ffff88800af05080
[   28.239796][  T546] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   28.240143][  T546] R10: ffffffffb1fec1e7 R11: ffff88800af045c0 R12: 0000000000000000
[   28.240494][  T546] R13: ffff8880089c2128 R14: ffff8880089c2008 R15: ffff8880089c2000
[   28.240839][  T546] FS:  00007f6aa2c1a800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   28.241262][  T546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.241555][  T546] CR2: 00007f6aa2fca200 CR3: 00000000091bc003 CR4: 0000000000772ef0
[   28.241881][  T546] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.242230][  T546] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.242577][  T546] PKRU: 55555554
[   28.242751][  T546] Call Trace:
[   28.242919][  T546]  <TASK>
[ 28.243058][ T546] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 28.243280][ T546] ? __warn (kernel/panic.c:748) 
[ 28.243440][ T546] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 28.243663][ T546] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 28.243882][ T546] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 28.244039][ T546] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 28.244256][ T546] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 28.244489][ T546] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 28.244707][ T546] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 28.244940][ T546] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 28.245231][ T546] ? _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) 
[ 28.245454][ T546] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 28.245676][ T546] register_netdevice (net/core/dev.c:11003) 
[ 28.245897][ T546] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 28.246132][ T546] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 28.246379][ T546] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 28.246677][ T546] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 28.246932][ T546] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 28.247196][ T546] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 28.247459][ T546] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 28.247703][ T546] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 28.247940][ T546] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 28.248142][ T546] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 28.248396][ T546] devlink_reload (net/devlink/dev.c:474) 
[ 28.248598][ T546] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 28.248793][ T546] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 28.249051][ T546] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 28.249251][ T546] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 28.249492][ T546] ? __nla_parse (lib/nlattr.c:732) 
[ 28.249698][ T546] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 28.249894][ T546] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 28.250154][ T546] ? cap_capable (security/commoncap.c:131) 
[ 28.250345][ T546] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 28.250546][ T546] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 28.250752][ T546] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 28.250946][ T546] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 28.251252][ T546] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 28.251548][ T546] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 28.251812][ T546] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 28.252036][ T546] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 28.252249][ T546] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 28.252476][ T546] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 28.252700][ T546] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 28.252868][ T546] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 28.253099][ T546] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 28.253334][ T546] genl_rcv (net/netlink/genetlink.c:1220) 
[ 28.253506][ T546] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 28.253772][ T546] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 28.254034][ T546] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 28.254294][ T546] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 28.254529][ T546] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 28.254750][ T546] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 28.254974][ T546] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 28.255239][ T546] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 28.255482][ T546] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 28.255685][ T546] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 28.255903][ T546] ? __sys_recvmsg (net/socket.c:2859) 
[ 28.256128][ T546] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 28.256350][ T546] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 28.256580][ T546] __x64_sys_sendto (net/socket.c:2181) 
[ 28.256807][ T546] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 28.257079][ T546] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.257308][ T546] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.257582][  T546] RIP: 0033:0x7f6aa2e26a4a
[ 28.257800][ T546] 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
[   28.258500][  T546] RSP: 002b:00007ffd4d5c83d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   28.258790][  T546] RAX: ffffffffffffffda RBX: 000000002662db00 RCX: 00007f6aa2e26a4a
[   28.259088][  T546] RDX: 0000000000000038 RSI: 000000002662db00 RDI: 0000000000000005
[   28.259406][  T546] RBP: 000000002662d910 R08: 00007f6aa2fca200 R09: 000000000000000c
[   28.259718][  T546] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   28.259995][  T546] R13: 000000002662d910 R14: 0000000000000000 R15: 0000000000000003
| [   30.999446][  T575] ------------[ cut here ]------------
| [ 30.999816][ T575] WARNING: CPU: 0 PID: 575 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) 
| [   31.000345][  T575] Modules linked in: netdevsim
| [   31.001087][  T575] Tainted: [W]=WARN
[   31.001294][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.001604][ T575] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 31.001936][ T575] 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
[   31.002837][  T575] RSP: 0018:ffffc900013571e8 EFLAGS: 00010246
[   31.003186][  T575] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   31.003593][  T575] RDX: 0000000000000000 RSI: ffff88800b202c98 RDI: ffff88800addadc0
[   31.003983][  T575] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   31.004393][  T575] R10: ffffffffb1fec1e7 R11: ffff88800adda300 R12: 0000000000000000
[   31.004780][  T575] R13: ffff88800b202128 R14: ffff88800b202008 R15: ffff88800b202000
[   31.005197][  T575] FS:  00007f0dada97800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   31.005674][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.005987][  T575] CR2: 00007f0dade47200 CR3: 00000000090aa005 CR4: 0000000000772ef0
[   31.006340][  T575] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.006740][  T575] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.007137][  T575] PKRU: 55555554
[   31.007329][  T575] Call Trace:
[   31.007498][  T575]  <TASK>
[ 31.007618][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 31.007861][ T575] ? __warn (kernel/panic.c:748) 
[ 31.008061][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 31.008359][ T575] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 31.008644][ T575] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 31.008844][ T575] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 31.009131][ T575] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 31.009399][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 31.009651][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 31.009911][ T575] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 31.010242][ T575] ? _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) 
[ 31.010537][ T575] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 31.010802][ T575] register_netdevice (net/core/dev.c:11003) 
[ 31.011131][ T575] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 31.011430][ T575] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 31.011705][ T575] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 31.012055][ T575] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 31.012375][ T575] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 31.012700][ T575] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 31.013053][ T575] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 31.013403][ T575] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 31.013737][ T575] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 31.014029][ T575] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 31.014381][ T575] devlink_reload (net/devlink/dev.c:474) 
[ 31.014668][ T575] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 31.014947][ T575] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 31.015348][ T575] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 31.015605][ T575] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 31.015900][ T575] ? __nla_parse (lib/nlattr.c:732) 
[ 31.016184][ T575] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 31.016432][ T575] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 31.016764][ T575] ? cap_capable (security/commoncap.c:131) 
[ 31.016990][ T575] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 31.017261][ T575] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 31.017514][ T575] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 31.017810][ T575] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 31.018168][ T575] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 31.018503][ T575] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 31.018826][ T575] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 31.019119][ T575] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 31.019382][ T575] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 31.019636][ T575] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 31.019921][ T575] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 31.020131][ T575] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 31.020398][ T575] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 31.020672][ T575] genl_rcv (net/netlink/genetlink.c:1220) 
[ 31.020868][ T575] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 31.021160][ T575] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 31.021430][ T575] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 31.021682][ T575] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 31.021922][ T575] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 31.022152][ T575] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 31.022432][ T575] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 31.022732][ T575] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 31.022993][ T575] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 31.023305][ T575] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 31.023582][ T575] ? __sys_recvmsg (net/socket.c:2859) 
[ 31.023881][ T575] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 31.024185][ T575] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 31.024457][ T575] __x64_sys_sendto (net/socket.c:2181) 
[ 31.024723][ T575] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 31.025026][ T575] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.025296][ T575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.025592][  T575] RIP: 0033:0x7f0dadca3a4a
[ 31.025866][ T575] 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
[   31.026704][  T575] RSP: 002b:00007ffcb9a64c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   31.027134][  T575] RAX: ffffffffffffffda RBX: 0000000029696b00 RCX: 00007f0dadca3a4a
[   31.027536][  T575] RDX: 0000000000000038 RSI: 0000000029696b00 RDI: 0000000000000005
[   31.027914][  T575] RBP: 0000000029696910 R08: 00007f0dade47200 R09: 000000000000000c
[   31.028304][  T575] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   31.028668][  T575] R13: 0000000029696910 R14: 0000000000000000 R15: 0000000000000003
| [   33.716983][  T603] ------------[ cut here ]------------
| [ 33.717295][ T603] WARNING: CPU: 3 PID: 603 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) 
| [   33.717727][  T603] Modules linked in: netdevsim
| [   33.718332][  T603] Tainted: [W]=WARN
[   33.718487][  T603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.718739][ T603] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 33.719022][ T603] 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
[   33.719728][  T603] RSP: 0018:ffffc900014b71e8 EFLAGS: 00010246
[   33.720022][  T603] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   33.720325][  T603] RDX: 0000000000000000 RSI: ffff888009e2ac98 RDI: ffff88800b308b00
[   33.720621][  T603] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   33.720934][  T603] R10: ffffffffb1fec1e7 R11: ffff88800b308040 R12: 0000000000000000
[   33.721256][  T603] R13: ffff888009e2a128 R14: ffff888009e2a008 R15: ffff888009e2a000
[   33.721568][  T603] FS:  00007f0538db5800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   33.721924][  T603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.722195][  T603] CR2: 000055f502157dec CR3: 000000000932c001 CR4: 0000000000772ef0
[   33.722500][  T603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.722802][  T603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.723130][  T603] PKRU: 55555554
[   33.723280][  T603] Call Trace:
[   33.723427][  T603]  <TASK>
[ 33.723527][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 33.723724][ T603] ? __warn (kernel/panic.c:748) 
[ 33.723876][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 33.724105][ T603] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 33.724311][ T603] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 33.724469][ T603] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 33.724686][ T603] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 33.724900][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 33.725132][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 33.725337][ T603] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 33.725587][ T603] ? _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) 
[ 33.725791][ T603] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 33.726012][ T603] register_netdevice (net/core/dev.c:11003) 
[ 33.726221][ T603] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 33.726425][ T603] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 33.726646][ T603] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 33.726899][ T603] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 33.727212][ T603] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 33.727466][ T603] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 33.727723][ T603] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 33.727985][ T603] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 33.728249][ T603] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 33.728508][ T603] devlink_reload (net/devlink/dev.c:474) 
[ 33.728709][ T603] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 33.728906][ T603] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 33.729179][ T603] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 33.729383][ T603] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 33.729637][ T603] ? __nla_parse (lib/nlattr.c:732) 
[ 33.729849][ T603] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 33.730069][ T603] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 33.730333][ T603] ? cap_capable (security/commoncap.c:131) 
[ 33.730545][ T603] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 33.730748][ T603] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 33.730954][ T603] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 33.731188][ T603] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 33.731431][ T603] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 33.731670][ T603] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 33.731931][ T603] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 33.732141][ T603] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 33.732337][ T603] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 33.732531][ T603] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 33.732746][ T603] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 33.732901][ T603] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 33.733118][ T603] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 33.733342][ T603] genl_rcv (net/netlink/genetlink.c:1220) 
[ 33.733495][ T603] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 33.733699][ T603] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 33.733901][ T603] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 33.734114][ T603] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 33.734315][ T603] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 33.734510][ T603] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 33.734707][ T603] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 33.734935][ T603] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 33.735155][ T603] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 33.735360][ T603] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 33.735557][ T603] ? __sys_recvmsg (net/socket.c:2859) 
[ 33.735746][ T603] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 33.735976][ T603] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 33.736206][ T603] __x64_sys_sendto (net/socket.c:2181) 
[ 33.736401][ T603] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 33.736651][ T603] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.736866][ T603] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.737112][  T603] RIP: 0033:0x7f0538fc1a4a
[ 33.737324][ T603] 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
[   33.737994][  T603] RSP: 002b:00007ffedaa7ac88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   33.738302][  T603] RAX: ffffffffffffffda RBX: 000000001b62bb00 RCX: 00007f0538fc1a4a
[   33.738584][  T603] RDX: 0000000000000038 RSI: 000000001b62bb00 RDI: 0000000000000005
[   33.738871][  T603] RBP: 000000001b62b910 R08: 00007f0539165200 R09: 000000000000000c
[   33.739159][  T603] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   33.739440][  T603] R13: 000000001b62b910 R14: 0000000000000000 R15: 0000000000000003
| [   58.065571][ T1041] ------------[ cut here ]------------
| [ 58.065825][ T1041] WARNING: CPU: 3 PID: 1041 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) 
| [   58.066325][ T1041] Modules linked in: netdevsim
| [   58.066891][ T1041] Tainted: [W]=WARN
[   58.067131][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.067368][ T1041] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.067613][ T1041] 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
[   58.068365][ T1041] RSP: 0018:ffffc900025471e8 EFLAGS: 00010246
[   58.068614][ T1041] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   58.068898][ T1041] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff888002662dc0
[   58.069272][ T1041] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   58.069563][ T1041] R10: ffffffffb1fec1e7 R11: ffff888002662300 R12: 0000000000000000
[   58.069845][ T1041] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[   58.070147][ T1041] FS:  00007f1e7c131800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   58.070482][ T1041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.070726][ T1041] CR2: 00007f1e7c4e1200 CR3: 000000000b60e004 CR4: 0000000000772ef0
[   58.071030][ T1041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   58.071323][ T1041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   58.071609][ T1041] PKRU: 55555554
[   58.071756][ T1041] Call Trace:
[   58.071902][ T1041]  <TASK>
[ 58.072014][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.072213][ T1041] ? __warn (kernel/panic.c:748) 
[ 58.072370][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.072570][ T1041] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 58.072779][ T1041] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 58.072929][ T1041] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 58.073131][ T1041] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 58.073338][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 58.073537][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 58.073738][ T1041] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 58.073985][ T1041] ? _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) 
[ 58.074202][ T1041] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 58.074402][ T1041] register_netdevice (net/core/dev.c:11003) 
[ 58.074603][ T1041] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 58.074805][ T1041] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 58.075023][ T1041] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 58.075273][ T1041] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 58.075532][ T1041] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 58.075789][ T1041] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 58.076045][ T1041] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 58.076292][ T1041] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 58.076562][ T1041] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 58.076756][ T1041] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 58.077020][ T1041] devlink_reload (net/devlink/dev.c:474) 
[ 58.077222][ T1041] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 58.077421][ T1041] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 58.077669][ T1041] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 58.077870][ T1041] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 58.078123][ T1041] ? __nla_parse (lib/nlattr.c:732) 
[ 58.078330][ T1041] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 58.078533][ T1041] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 58.078790][ T1041] ? cap_capable (security/commoncap.c:131) 
[ 58.078985][ T1041] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 58.079196][ T1041] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 58.079392][ T1041] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 58.079591][ T1041] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 58.079828][ T1041] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 58.080078][ T1041] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 58.080331][ T1041] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 58.080523][ T1041] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 58.080716][ T1041] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 58.080908][ T1041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 58.081137][ T1041] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 58.081286][ T1041] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 58.081483][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 58.081687][ T1041] genl_rcv (net/netlink/genetlink.c:1220) 
[ 58.081837][ T1041] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 58.082057][ T1041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 58.082253][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 58.082452][ T1041] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 58.082648][ T1041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 58.082838][ T1041] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 58.083041][ T1041] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 58.083248][ T1041] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 58.083447][ T1041] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 58.083651][ T1041] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 58.083847][ T1041] ? __sys_recvmsg (net/socket.c:2859) 
[ 58.084045][ T1041] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 58.084246][ T1041] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 58.084447][ T1041] __x64_sys_sendto (net/socket.c:2181) 
[ 58.084683][ T1041] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 58.084934][ T1041] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 58.085158][ T1041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.085393][ T1041] RIP: 0033:0x7f1e7c33da4a
[ 58.085590][ T1041] 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
[   58.086265][ T1041] RSP: 002b:00007ffc8b0a14c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   58.086564][ T1041] RAX: ffffffffffffffda RBX: 00000000076e2b00 RCX: 00007f1e7c33da4a
[   58.086848][ T1041] RDX: 0000000000000038 RSI: 00000000076e2b00 RDI: 0000000000000005
[   58.087141][ T1041] RBP: 00000000076e2910 R08: 00007f1e7c4e1200 R09: 000000000000000c
[   58.087422][ T1041] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   58.087705][ T1041] R13: 00000000076e2910 R14: 0000000000000000 R15: 0000000000000003
| [   59.840842][ T1073] ------------[ cut here ]------------
| [ 59.841186][ T1073] WARNING: CPU: 3 PID: 1073 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) 
| [   59.841575][ T1073] Modules linked in: netdevsim
| [   59.842224][ T1073] Tainted: [W]=WARN
[   59.842372][ T1073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.842609][ T1073] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.842866][ T1073] 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
[   59.843619][ T1073] RSP: 0018:ffffc900026771e8 EFLAGS: 00010246
[   59.843864][ T1073] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   59.844176][ T1073] RDX: 0000000000000000 RSI: ffff8880089c2c98 RDI: ffff888004d0d080
[   59.844466][ T1073] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   59.844761][ T1073] R10: ffffffffb1fec1e7 R11: ffff888004d0c5c0 R12: 0000000000000000
[   59.845056][ T1073] R13: ffff8880089c2128 R14: ffff8880089c2008 R15: ffff8880089c2000
[   59.845343][ T1073] FS:  00007fab60f68800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   59.845680][ T1073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.845926][ T1073] CR2: 00007fab61318200 CR3: 00000000098d2005 CR4: 0000000000772ef0
[   59.846225][ T1073] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.846506][ T1073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   59.846815][ T1073] PKRU: 55555554
[   59.846964][ T1073] Call Trace:
[   59.847120][ T1073]  <TASK>
[ 59.847220][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.847415][ T1073] ? __warn (kernel/panic.c:748) 
[ 59.847572][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.847767][ T1073] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 59.847967][ T1073] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 59.848129][ T1073] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 59.848340][ T1073] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 59.848547][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 59.848743][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 59.848941][ T1073] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 59.849201][ T1073] ? _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) 
[ 59.849405][ T1073] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 59.849600][ T1073] register_netdevice (net/core/dev.c:11003) 
[ 59.849798][ T1073] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 59.850018][ T1073] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 59.850229][ T1073] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 59.850479][ T1073] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 59.850739][ T1073] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 59.851024][ T1073] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 59.851275][ T1073] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 59.851521][ T1073] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 59.851765][ T1073] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 59.851963][ T1073] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 59.852236][ T1073] devlink_reload (net/devlink/dev.c:474) 
[ 59.852439][ T1073] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 59.852635][ T1073] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 59.852881][ T1073] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 59.853085][ T1073] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 59.853328][ T1073] ? __nla_parse (lib/nlattr.c:732) 
[ 59.853532][ T1073] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 59.853728][ T1073] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 59.853991][ T1073] ? cap_capable (security/commoncap.c:131) 
[ 59.854203][ T1073] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 59.854407][ T1073] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 59.854613][ T1073] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 59.854816][ T1073] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 59.855064][ T1073] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 59.855301][ T1073] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 59.855550][ T1073] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 59.855742][ T1073] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 59.855936][ T1073] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 59.856146][ T1073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 59.856368][ T1073] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 59.856514][ T1073] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 59.856708][ T1073] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 59.856909][ T1073] genl_rcv (net/netlink/genetlink.c:1220) 
[ 59.857064][ T1073] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 59.857262][ T1073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 59.857460][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 59.857661][ T1073] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 59.857857][ T1073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 59.858059][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 59.858256][ T1073] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 59.858458][ T1073] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 59.858656][ T1073] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 59.858863][ T1073] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 59.859073][ T1073] ? __sys_recvmsg (net/socket.c:2859) 
[ 59.859267][ T1073] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 59.859479][ T1073] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 59.859683][ T1073] __x64_sys_sendto (net/socket.c:2181) 
[ 59.859877][ T1073] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 59.860125][ T1073] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 59.860328][ T1073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.860565][ T1073] RIP: 0033:0x7fab61174a4a
[ 59.860772][ T1073] 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
[   59.861443][ T1073] RSP: 002b:00007fff0647f758 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   59.861725][ T1073] RAX: ffffffffffffffda RBX: 000000002bff5b00 RCX: 00007fab61174a4a
[   59.862033][ T1073] RDX: 0000000000000038 RSI: 000000002bff5b00 RDI: 0000000000000005
[   59.862311][ T1073] RBP: 000000002bff5910 R08: 00007fab61318200 R09: 000000000000000c
[   59.862607][ T1073] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   59.862924][ T1073] R13: 000000002bff5910 R14: 0000000000000000 R15: 0000000000000003
| [   61.129199][ T1098] ------------[ cut here ]------------
| [ 61.129456][ T1098] WARNING: CPU: 1 PID: 1098 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) 
| [   61.129992][ T1098] Modules linked in: netdevsim
| [   61.130762][ T1098] Tainted: [W]=WARN
[   61.130921][ T1098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.131262][ T1098] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 61.131552][ T1098] 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
[   61.132336][ T1098] RSP: 0018:ffffc900027671e8 EFLAGS: 00010246
[   61.132633][ T1098] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   61.132922][ T1098] RDX: 0000000000000000 RSI: ffff88800b202c98 RDI: ffff88800d328b00
[   61.133301][ T1098] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   61.133597][ T1098] R10: ffffffffb1fec1e7 R11: ffff88800d328040 R12: 0000000000000000
[   61.133944][ T1098] R13: ffff88800b202128 R14: ffff88800b202008 R15: ffff88800b202000
[   61.134474][ T1098] FS:  00007fec7bc87800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   61.134849][ T1098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.135214][ T1098] CR2: 00007f6348419258 CR3: 0000000008b96004 CR4: 0000000000772ef0
[   61.135578][ T1098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   61.135883][ T1098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   61.136209][ T1098] PKRU: 55555554
[   61.136454][ T1098] Call Trace:
[   61.136637][ T1098]  <TASK>
[ 61.136754][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 61.137036][ T1098] ? __warn (kernel/panic.c:748) 
[ 61.137197][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 61.137418][ T1098] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 61.137700][ T1098] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 61.137862][ T1098] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 61.138087][ T1098] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 61.138392][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 61.138628][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 61.138848][ T1098] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 61.139187][ T1098] ? _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) 
[ 61.139444][ T1098] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 61.139681][ T1098] register_netdevice (net/core/dev.c:11003) 
[ 61.139897][ T1098] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 61.140130][ T1098] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 61.140344][ T1098] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 61.140664][ T1098] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 61.140969][ T1098] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 61.141235][ T1098] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 61.141509][ T1098] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 61.141822][ T1098] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 61.142087][ T1098] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 61.142280][ T1098] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 61.142567][ T1098] devlink_reload (net/devlink/dev.c:474) 
[ 61.142835][ T1098] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 61.143045][ T1098] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 61.143373][ T1098] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 61.143652][ T1098] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 61.143898][ T1098] ? __nla_parse (lib/nlattr.c:732) 
[ 61.144119][ T1098] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 61.144320][ T1098] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 61.144649][ T1098] ? cap_capable (security/commoncap.c:131) 
[ 61.144844][ T1098] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 61.145083][ T1098] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 61.145314][ T1098] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 61.145528][ T1098] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 61.145836][ T1098] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 61.146128][ T1098] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 61.146424][ T1098] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 61.146663][ T1098] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 61.146932][ T1098] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 61.147151][ T1098] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 61.147365][ T1098] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 61.147568][ T1098] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 61.147766][ T1098] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 61.147967][ T1098] genl_rcv (net/netlink/genetlink.c:1220) 
[ 61.148191][ T1098] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 61.148413][ T1098] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 61.148612][ T1098] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 61.148813][ T1098] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 61.149089][ T1098] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 61.149291][ T1098] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 61.149503][ T1098] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 61.149770][ T1098] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 61.149977][ T1098] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 61.150197][ T1098] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 61.150430][ T1098] ? __sys_recvmsg (net/socket.c:2859) 
[ 61.150696][ T1098] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 61.150909][ T1098] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 61.151188][ T1098] __x64_sys_sendto (net/socket.c:2181) 
[ 61.151413][ T1098] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 61.151715][ T1098] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 61.151910][ T1098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.152177][ T1098] RIP: 0033:0x7fec7be93a4a
[ 61.152398][ T1098] 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
[   61.153186][ T1098] RSP: 002b:00007ffd46c45198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   61.153489][ T1098] RAX: ffffffffffffffda RBX: 0000000014f68b00 RCX: 00007fec7be93a4a
[   61.153777][ T1098] RDX: 0000000000000038 RSI: 0000000014f68b00 RDI: 0000000000000005
[   61.154098][ T1098] RBP: 0000000014f68910 R08: 00007fec7c037200 R09: 000000000000000c
[   61.154421][ T1098] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   61.154740][ T1098] R13: 0000000014f68910 R14: 0000000000000000 R15: 0000000000000003
| [   64.255794][ T1131] ------------[ cut here ]------------
| [ 64.256074][ T1131] WARNING: CPU: 1 PID: 1131 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) 
| [   64.256477][ T1131] Modules linked in: netdevsim
| [   64.257069][ T1131] Tainted: [W]=WARN
[   64.257233][ T1131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.257480][ T1131] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 64.257738][ T1131] 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
[   64.258538][ T1131] RSP: 0018:ffffc900029271e8 EFLAGS: 00010246
[   64.258837][ T1131] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   64.259233][ T1131] RDX: 0000000000000000 RSI: ffff888009e2ac98 RDI: ffff888004e1d080
[   64.259521][ T1131] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   64.259813][ T1131] R10: ffffffffb1fec1e7 R11: ffff888004e1c5c0 R12: 0000000000000000
[   64.260211][ T1131] R13: ffff888009e2a128 R14: ffff888009e2a008 R15: ffff888009e2a000
[   64.260501][ T1131] FS:  00007fc2101d1800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   64.260851][ T1131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.261159][ T1131] CR2: 00007fb3cef13000 CR3: 000000000dc5c006 CR4: 0000000000772ef0
[   64.261456][ T1131] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   64.261767][ T1131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   64.262079][ T1131] PKRU: 55555554
[   64.262238][ T1131] Call Trace:
[   64.262392][ T1131]  <TASK>
[ 64.262495][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 64.262730][ T1131] ? __warn (kernel/panic.c:748) 
[ 64.262902][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 64.263132][ T1131] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 64.263349][ T1131] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 64.263501][ T1131] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 64.263698][ T1131] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 64.263905][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 64.264139][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 64.264346][ T1131] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 64.264607][ T1131] ? _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) 
[ 64.264821][ T1131] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 64.265049][ T1131] register_netdevice (net/core/dev.c:11003) 
[ 64.265252][ T1131] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 64.265461][ T1131] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 64.265684][ T1131] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 64.265935][ T1131] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 64.266231][ T1131] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 64.266486][ T1131] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 64.266771][ T1131] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 64.267030][ T1131] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 64.267279][ T1131] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 64.267475][ T1131] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 64.267741][ T1131] devlink_reload (net/devlink/dev.c:474) 
[ 64.267952][ T1131] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 64.268173][ T1131] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 64.268425][ T1131] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 64.268635][ T1131] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 64.268874][ T1131] ? __nla_parse (lib/nlattr.c:732) 
[ 64.269096][ T1131] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 64.269307][ T1131] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 64.269563][ T1131] ? cap_capable (security/commoncap.c:131) 
[ 64.269763][ T1131] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 64.269968][ T1131] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 64.270172][ T1131] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 64.270365][ T1131] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 64.270613][ T1131] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 64.270911][ T1131] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 64.271218][ T1131] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 64.271434][ T1131] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 64.271643][ T1131] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 64.271847][ T1131] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 64.272078][ T1131] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 64.272238][ T1131] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 64.272434][ T1131] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 64.272644][ T1131] genl_rcv (net/netlink/genetlink.c:1220) 
[ 64.272790][ T1131] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 64.273042][ T1131] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 64.273247][ T1131] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 64.273456][ T1131] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 64.273663][ T1131] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 64.273854][ T1131] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 64.274057][ T1131] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 64.274259][ T1131] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 64.274453][ T1131] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 64.274665][ T1131] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 64.274894][ T1131] ? __sys_recvmsg (net/socket.c:2859) 
[ 64.275118][ T1131] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 64.275328][ T1131] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 64.275533][ T1131] __x64_sys_sendto (net/socket.c:2181) 
[ 64.275728][ T1131] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 64.275975][ T1131] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 64.276206][ T1131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.276451][ T1131] RIP: 0033:0x7fc2103dda4a
[ 64.276660][ T1131] 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
[   64.277346][ T1131] RSP: 002b:00007ffe4d5e0038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   64.277640][ T1131] RAX: ffffffffffffffda RBX: 0000000029f62b00 RCX: 00007fc2103dda4a
[   64.277925][ T1131] RDX: 0000000000000038 RSI: 0000000029f62b00 RDI: 0000000000000005
[   64.278226][ T1131] RBP: 0000000029f62910 R08: 00007fc210581200 R09: 000000000000000c
[   64.278507][ T1131] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   64.278834][ T1131] R13: 0000000029f62910 R14: 0000000000000000 R15: 0000000000000003
| [   67.033948][ T1162] ------------[ cut here ]------------
| [ 67.034252][ T1162] WARNING: CPU: 1 PID: 1162 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) 
| [   67.034635][ T1162] Modules linked in: netdevsim
| [   67.035692][ T1162] Tainted: [W]=WARN
[   67.035848][ T1162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.036099][ T1162] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 67.036346][ T1162] 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
[   67.037019][ T1162] RSP: 0018:ffffc90002ac71e8 EFLAGS: 00010246
[   67.037267][ T1162] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   67.037551][ T1162] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff88800af05080
[   67.037835][ T1162] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   67.038123][ T1162] R10: ffffffffb1fec1e7 R11: ffff88800af045c0 R12: 0000000000000000
[   67.038403][ T1162] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[   67.038690][ T1162] FS:  00007fc172dcd800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   67.039032][ T1162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.039273][ T1162] CR2: 00007fe2c4f50000 CR3: 000000000b39e006 CR4: 0000000000772ef0
[   67.039559][ T1162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   67.039847][ T1162] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   67.040146][ T1162] PKRU: 55555554
[   67.040294][ T1162] Call Trace:
[   67.040440][ T1162]  <TASK>
[ 67.040539][ T1162] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 67.040737][ T1162] ? __warn (kernel/panic.c:748) 
[ 67.040907][ T1162] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 67.041116][ T1162] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 67.041318][ T1162] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 67.041465][ T1162] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 67.041654][ T1162] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 67.041857][ T1162] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 67.042070][ T1162] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 67.042268][ T1162] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 67.042510][ T1162] ? _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) 
[ 67.042707][ T1162] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 67.042903][ T1162] register_netdevice (net/core/dev.c:11003) 
[ 67.043123][ T1162] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 67.043324][ T1162] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 67.043532][ T1162] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 67.043782][ T1162] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 67.044050][ T1162] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 67.044304][ T1162] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 67.044556][ T1162] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 67.044807][ T1162] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 67.045064][ T1162] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 67.045262][ T1162] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 67.045553][ T1162] devlink_reload (net/devlink/dev.c:474) 
[ 67.045765][ T1162] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 67.045960][ T1162] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 67.046243][ T1162] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 67.046438][ T1162] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 67.046676][ T1162] ? __nla_parse (lib/nlattr.c:732) 
[ 67.046885][ T1162] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 67.047096][ T1162] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 67.047348][ T1162] ? cap_capable (security/commoncap.c:131) 
[ 67.047542][ T1162] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 67.047741][ T1162] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 67.047947][ T1162] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 67.048153][ T1162] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 67.048388][ T1162] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 67.048620][ T1162] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 67.048875][ T1162] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 67.049085][ T1162] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 67.049278][ T1162] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 67.049477][ T1162] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 67.049685][ T1162] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 67.049834][ T1162] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 67.050043][ T1162] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 67.050244][ T1162] genl_rcv (net/netlink/genetlink.c:1220) 
[ 67.050390][ T1162] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 67.050586][ T1162] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 67.050781][ T1162] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 67.050995][ T1162] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 67.051219][ T1162] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 67.051417][ T1162] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 67.051614][ T1162] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 67.051816][ T1162] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 67.052032][ T1162] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 67.052241][ T1162] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 67.052456][ T1162] ? __sys_recvmsg (net/socket.c:2859) 
[ 67.052648][ T1162] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 67.052853][ T1162] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 67.053066][ T1162] __x64_sys_sendto (net/socket.c:2181) 
[ 67.053258][ T1162] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 67.053496][ T1162] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 67.053688][ T1162] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.053930][ T1162] RIP: 0033:0x7fc172fd9a4a
[ 67.054143][ T1162] 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
[   67.054798][ T1162] RSP: 002b:00007ffffae04f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   67.055096][ T1162] RAX: ffffffffffffffda RBX: 000000003c239b00 RCX: 00007fc172fd9a4a
[   67.055386][ T1162] RDX: 0000000000000038 RSI: 000000003c239b00 RDI: 0000000000000005
[   67.055692][ T1162] RBP: 000000003c239910 R08: 00007fc17317d200 R09: 000000000000000c
[   67.055973][ T1162] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   67.056277][ T1162] R13: 000000003c239910 R14: 0000000000000000 R15: 0000000000000003
| [   69.890727][ T1190] ------------[ cut here ]------------
| [ 69.891038][ T1190] WARNING: CPU: 0 PID: 1190 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) 
| [   69.891431][ T1190] Modules linked in: netdevsim
| [   69.891989][ T1190] Tainted: [W]=WARN
[   69.892151][ T1190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.892403][ T1190] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 69.892656][ T1190] 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
[   69.893508][ T1190] RSP: 0018:ffffc90002c371e8 EFLAGS: 00010246
[   69.893760][ T1190] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   69.894065][ T1190] RDX: 0000000000000000 RSI: ffff8880089c2c98 RDI: ffff888009dc5080
[   69.894359][ T1190] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   69.894657][ T1190] R10: ffffffffb1fec1e7 R11: ffff888009dc45c0 R12: 0000000000000000
[   69.894950][ T1190] R13: ffff8880089c2128 R14: ffff8880089c2008 R15: ffff8880089c2000
[   69.895254][ T1190] FS:  00007f49ff6cf800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   69.895597][ T1190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.895849][ T1190] CR2: 00007f49ffa7f200 CR3: 0000000009e08005 CR4: 0000000000772ef0
[   69.896162][ T1190] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   69.896460][ T1190] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   69.896752][ T1190] PKRU: 55555554
[   69.896899][ T1190] Call Trace:
[   69.897068][ T1190]  <TASK>
[ 69.897177][ T1190] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 69.897374][ T1190] ? __warn (kernel/panic.c:748) 
[ 69.897525][ T1190] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 69.897720][ T1190] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 69.897928][ T1190] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 69.898091][ T1190] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 69.898286][ T1190] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 69.898495][ T1190] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 69.898687][ T1190] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 69.898888][ T1190] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 69.899148][ T1190] ? _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) 
[ 69.899348][ T1190] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 69.899547][ T1190] register_netdevice (net/core/dev.c:11003) 
[ 69.899745][ T1190] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 69.899948][ T1190] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 69.900172][ T1190] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 69.900421][ T1190] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 69.900683][ T1190] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 69.900946][ T1190] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 69.901206][ T1190] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 69.901461][ T1190] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 69.901707][ T1190] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 69.901960][ T1190] devlink_reload (net/devlink/dev.c:474) 
[ 69.902187][ T1190] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 69.902385][ T1190] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 69.902630][ T1190] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 69.902826][ T1190] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 69.903082][ T1190] ? __nla_parse (lib/nlattr.c:732) 
[ 69.903288][ T1190] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 69.903486][ T1190] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 69.903738][ T1190] ? cap_capable (security/commoncap.c:131) 
[ 69.903930][ T1190] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 69.904148][ T1190] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 69.904349][ T1190] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 69.904542][ T1190] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 69.904780][ T1190] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 69.905031][ T1190] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 69.905288][ T1190] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 69.905485][ T1190] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 69.905681][ T1190] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 69.905877][ T1190] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 69.906096][ T1190] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 69.906246][ T1190] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 69.906447][ T1190] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 69.906651][ T1190] genl_rcv (net/netlink/genetlink.c:1220) 
[ 69.906796][ T1190] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 69.906998][ T1190] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 69.907213][ T1190] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 69.907415][ T1190] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 69.907617][ T1190] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 69.907810][ T1190] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 69.908025][ T1190] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 69.908232][ T1190] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 69.908433][ T1190] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 69.908636][ T1190] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 69.908836][ T1190] ? __sys_recvmsg (net/socket.c:2859) 
[ 69.909046][ T1190] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 69.909248][ T1190] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 69.909464][ T1190] __x64_sys_sendto (net/socket.c:2181) 
[ 69.909656][ T1190] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 69.909895][ T1190] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 69.910106][ T1190] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   69.910347][ T1190] RIP: 0033:0x7f49ff8dba4a
[ 69.910548][ T1190] 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
[   69.911258][ T1190] RSP: 002b:00007fffb3a804d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   69.911550][ T1190] RAX: ffffffffffffffda RBX: 000000001208fb00 RCX: 00007f49ff8dba4a
[   69.911833][ T1190] RDX: 0000000000000038 RSI: 000000001208fb00 RDI: 0000000000000005
[   69.912133][ T1190] RBP: 000000001208f910 R08: 00007f49ffa7f200 R09: 000000000000000c
[   69.912417][ T1190] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   69.912700][ T1190] R13: 000000001208f910 R14: 0000000000000000 R15: 0000000000000003
| [   80.672145][ T1410] ------------[ cut here ]------------
| [ 80.672408][ T1410] WARNING: CPU: 3 PID: 1410 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) 
| [   80.672796][ T1410] Modules linked in: netdevsim
| [   80.673359][ T1410] Tainted: [W]=WARN
[   80.673515][ T1410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.673757][ T1410] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.674017][ T1410] 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
[   80.674692][ T1410] RSP: 0018:ffffc900034b71e8 EFLAGS: 00010246
[   80.674937][ T1410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   80.675231][ T1410] RDX: 0000000000000000 RSI: ffff88800b202c98 RDI: ffff888004d0adc0
[   80.675527][ T1410] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   80.675817][ T1410] R10: ffffffffb1fec1e7 R11: ffff888004d0a300 R12: 0000000000000000
[   80.676111][ T1410] R13: ffff88800b202128 R14: ffff88800b202008 R15: ffff88800b202000
[   80.676411][ T1410] FS:  00007f9d129d2800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   80.676741][ T1410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.677000][ T1410] CR2: 000055f502157dec CR3: 000000000505c003 CR4: 0000000000772ef0
[   80.677296][ T1410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   80.677602][ T1410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   80.677885][ T1410] PKRU: 55555554
[   80.678051][ T1410] Call Trace:
[   80.678206][ T1410]  <TASK>
[ 80.678318][ T1410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.678515][ T1410] ? __warn (kernel/panic.c:748) 
[ 80.678667][ T1410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.678863][ T1410] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 80.679089][ T1410] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 80.679240][ T1410] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 80.679430][ T1410] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 80.679636][ T1410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 80.679840][ T1410] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 80.680050][ T1410] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 80.680296][ T1410] ? _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) 
[ 80.680497][ T1410] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 80.680697][ T1410] register_netdevice (net/core/dev.c:11003) 
[ 80.680908][ T1410] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 80.681123][ T1410] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 80.681341][ T1410] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 80.681591][ T1410] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 80.681845][ T1410] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 80.682111][ T1410] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 80.682364][ T1410] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 80.682609][ T1410] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 80.682855][ T1410] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 80.683057][ T1410] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 80.683314][ T1410] devlink_reload (net/devlink/dev.c:474) 
[ 80.683516][ T1410] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 80.683712][ T1410] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 80.683959][ T1410] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 80.684163][ T1410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 80.684411][ T1410] ? __nla_parse (lib/nlattr.c:732) 
[ 80.684615][ T1410] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 80.684814][ T1410] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 80.685074][ T1410] ? cap_capable (security/commoncap.c:131) 
[ 80.685270][ T1410] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 80.685474][ T1410] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 80.685685][ T1410] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 80.685884][ T1410] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 80.686130][ T1410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 80.686369][ T1410] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 80.686624][ T1410] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 80.686821][ T1410] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 80.687021][ T1410] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 80.687224][ T1410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 80.687429][ T1410] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 80.687576][ T1410] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 80.687771][ T1410] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 80.687969][ T1410] genl_rcv (net/netlink/genetlink.c:1220) 
[ 80.688119][ T1410] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 80.688319][ T1410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 80.688511][ T1410] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 80.688714][ T1410] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 80.688910][ T1410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 80.689108][ T1410] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 80.689309][ T1410] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 80.689513][ T1410] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 80.689709][ T1410] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 80.689911][ T1410] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 80.690122][ T1410] ? __sys_recvmsg (net/socket.c:2859) 
[ 80.690317][ T1410] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 80.690519][ T1410] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 80.690719][ T1410] __x64_sys_sendto (net/socket.c:2181) 
[ 80.690931][ T1410] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 80.691194][ T1410] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 80.691392][ T1410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   80.691632][ T1410] RIP: 0033:0x7f9d12bdea4a
[ 80.691838][ T1410] 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
[   80.692508][ T1410] RSP: 002b:00007ffc33620388 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   80.692799][ T1410] RAX: ffffffffffffffda RBX: 0000000014f0bb00 RCX: 00007f9d12bdea4a
[   80.693092][ T1410] RDX: 0000000000000038 RSI: 0000000014f0bb00 RDI: 0000000000000005
[   80.693373][ T1410] RBP: 0000000014f0b910 R08: 00007f9d12d82200 R09: 000000000000000c
[   80.693656][ T1410] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   80.693936][ T1410] R13: 0000000014f0b910 R14: 0000000000000000 R15: 0000000000000003
| [   81.651255][ T1427] ------------[ cut here ]------------
| [ 81.651591][ T1427] WARNING: CPU: 2 PID: 1427 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) 
| [   81.652043][ T1427] Modules linked in: netdevsim
| [   81.652660][ T1427] Tainted: [W]=WARN
[   81.652834][ T1427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 81.653135][ T1427] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 81.653413][ T1427] 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
[   81.654124][ T1427] RSP: 0018:ffffc900035571e8 EFLAGS: 00010246
[   81.654403][ T1427] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   81.654694][ T1427] RDX: 0000000000000000 RSI: ffff88800599ac98 RDI: ffff88800550d080
[   81.654992][ T1427] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   81.655294][ T1427] R10: ffffffffb1fec1e7 R11: ffff88800550c5c0 R12: 0000000000000000
[   81.655593][ T1427] R13: ffff88800599a128 R14: ffff88800599a008 R15: ffff88800599a000
[   81.655883][ T1427] FS:  00007f3e3a82b800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   81.656234][ T1427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.656485][ T1427] CR2: 00007f3e3abdb200 CR3: 000000000ad5c003 CR4: 0000000000772ef0
[   81.656786][ T1427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   81.657095][ T1427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   81.657391][ T1427] PKRU: 55555554
[   81.657547][ T1427] Call Trace:
[   81.657702][ T1427]  <TASK>
[ 81.657815][ T1427] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 81.658030][ T1427] ? __warn (kernel/panic.c:748) 
[ 81.658198][ T1427] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 81.658401][ T1427] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 81.658610][ T1427] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 81.658771][ T1427] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 81.658972][ T1427] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 81.659200][ T1427] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 81.659403][ T1427] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 81.659611][ T1427] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 81.659869][ T1427] ? _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) 
[ 81.660093][ T1427] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 81.660299][ T1427] register_netdevice (net/core/dev.c:11003) 
[ 81.660510][ T1427] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 81.660722][ T1427] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 81.660958][ T1427] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 81.661254][ T1427] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 81.661525][ T1427] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 81.661785][ T1427] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 81.662061][ T1427] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 81.662314][ T1427] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 81.662574][ T1427] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 81.662776][ T1427] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 81.663051][ T1427] devlink_reload (net/devlink/dev.c:474) 
[ 81.663259][ T1427] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 81.663465][ T1427] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 81.663719][ T1427] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 81.663925][ T1427] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 81.664193][ T1427] ? __nla_parse (lib/nlattr.c:732) 
[ 81.664407][ T1427] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 81.664612][ T1427] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 81.664875][ T1427] ? cap_capable (security/commoncap.c:131) 
[ 81.665099][ T1427] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 81.665310][ T1427] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 81.665511][ T1427] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 81.665721][ T1427] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 81.665964][ T1427] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 81.666223][ T1427] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 81.666483][ T1427] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 81.666689][ T1427] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 81.666887][ T1427] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 81.667112][ T1427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 81.667327][ T1427] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 81.667486][ T1427] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 81.667689][ T1427] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 81.667897][ T1427] genl_rcv (net/netlink/genetlink.c:1220) 
[ 81.668065][ T1427] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 81.668269][ T1427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 81.668475][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 81.668689][ T1427] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 81.668896][ T1427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 81.669118][ T1427] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 81.669325][ T1427] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 81.669535][ T1427] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 81.669743][ T1427] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 81.669953][ T1427] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 81.670176][ T1427] ? __sys_recvmsg (net/socket.c:2859) 
[ 81.670381][ T1427] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 81.670596][ T1427] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 81.670811][ T1427] __x64_sys_sendto (net/socket.c:2181) 
[ 81.671031][ T1427] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 81.671283][ T1427] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 81.671492][ T1427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   81.671741][ T1427] RIP: 0033:0x7f3e3aa37a4a
[ 81.671954][ T1427] 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
[   81.672629][ T1427] RSP: 002b:00007ffd55adda38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   81.672925][ T1427] RAX: ffffffffffffffda RBX: 000000003d4b1b00 RCX: 00007f3e3aa37a4a
[   81.673245][ T1427] RDX: 0000000000000038 RSI: 000000003d4b1b00 RDI: 0000000000000005
[   81.673537][ T1427] RBP: 000000003d4b1910 R08: 00007f3e3abdb200 R09: 000000000000000c
[   81.673828][ T1427] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   81.674133][ T1427] R13: 000000003d4b1910 R14: 0000000000000000 R15: 0000000000000003
| [   82.681707][ T1443] ------------[ cut here ]------------
| [ 82.682206][ T1443] WARNING: CPU: 2 PID: 1443 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) 
| [   82.682870][ T1443] Modules linked in: netdevsim
| [   82.684337][ T1443] Tainted: [W]=WARN
[   82.684607][ T1443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 82.685052][ T1443] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 82.685493][ T1443] 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
[   82.686682][ T1443] RSP: 0018:ffffc900035c71e8 EFLAGS: 00010246
[   82.687141][ T1443] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   82.687633][ T1443] RDX: 0000000000000000 RSI: ffff888009e2ac98 RDI: ffff888004bd2dc0
[   82.688160][ T1443] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   82.688661][ T1443] R10: ffffffffb1fec1e7 R11: ffff888004bd2300 R12: 0000000000000000
[   82.689179][ T1443] R13: ffff888009e2a128 R14: ffff888009e2a008 R15: ffff888009e2a000
[   82.689680][ T1443] FS:  00007fd08b065800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   82.690308][ T1443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.690736][ T1443] CR2: 00007fd08b415200 CR3: 000000000913a001 CR4: 0000000000772ef0
[   82.691273][ T1443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   82.691776][ T1443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   82.692300][ T1443] PKRU: 55555554
[   82.692569][ T1443] Call Trace:
[   82.692835][ T1443]  <TASK>
[ 82.693047][ T1443] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 82.693400][ T1443] ? __warn (kernel/panic.c:748) 
[ 82.693678][ T1443] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 82.694073][ T1443] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 82.694436][ T1443] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 82.694709][ T1443] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 82.695082][ T1443] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 82.695456][ T1443] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 82.695806][ T1443] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 82.696190][ T1443] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 82.696625][ T1443] ? _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) 
[ 82.696988][ T1443] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 82.697371][ T1443] register_netdevice (net/core/dev.c:11003) 
[ 82.697733][ T1443] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 82.698157][ T1443] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 82.698538][ T1443] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 82.698988][ T1443] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 82.699481][ T1443] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 82.699933][ T1443] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 82.700413][ T1443] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 82.700870][ T1443] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 82.701326][ T1443] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 82.701675][ T1443] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 82.702182][ T1443] devlink_reload (net/devlink/dev.c:474) 
[ 82.702545][ T1443] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 82.702903][ T1443] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 82.703370][ T1443] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 82.703732][ T1443] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 82.704191][ T1443] ? __nla_parse (lib/nlattr.c:732) 
[ 82.704552][ T1443] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 82.704904][ T1443] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 82.705377][ T1443] ? cap_capable (security/commoncap.c:131) 
[ 82.705727][ T1443] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 82.706133][ T1443] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 82.706504][ T1443] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 82.706856][ T1443] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 82.707306][ T1443] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 82.707725][ T1443] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 82.708196][ T1443] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 82.708554][ T1443] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 82.708908][ T1443] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 82.709298][ T1443] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 82.709676][ T1443] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 82.709949][ T1443] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 82.710351][ T1443] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 82.710718][ T1443] genl_rcv (net/netlink/genetlink.c:1220) 
[ 82.711030][ T1443] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 82.711401][ T1443] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 82.711758][ T1443] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 82.712152][ T1443] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 82.712516][ T1443] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 82.712867][ T1443] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 82.713251][ T1443] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 82.713610][ T1443] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 82.713942][ T1443] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 82.714340][ T1443] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 82.714685][ T1443] ? __sys_recvmsg (net/socket.c:2859) 
[ 82.715033][ T1443] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 82.715392][ T1443] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 82.715736][ T1443] __x64_sys_sendto (net/socket.c:2181) 
[ 82.716098][ T1443] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 82.716507][ T1443] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 82.716849][ T1443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   82.717278][ T1443] RIP: 0033:0x7fd08b271a4a
[ 82.717609][ T1443] 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
[   82.718736][ T1443] RSP: 002b:00007ffd36f323c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   82.719254][ T1443] RAX: ffffffffffffffda RBX: 0000000022adbb00 RCX: 00007fd08b271a4a
[   82.719725][ T1443] RDX: 0000000000000038 RSI: 0000000022adbb00 RDI: 0000000000000005
[   82.720226][ T1443] RBP: 0000000022adb910 R08: 00007fd08b415200 R09: 000000000000000c
[   82.720704][ T1443] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   82.721220][ T1443] R13: 0000000022adb910 R14: 0000000000000000 R15: 0000000000000003
| [   85.983853][ T1499] ------------[ cut here ]------------
| [ 85.984575][ T1499] WARNING: CPU: 0 PID: 1499 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) 
| [   85.984990][ T1499] Modules linked in: netdevsim
| [   85.985582][ T1499] Tainted: [W]=WARN
[   85.985742][ T1499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 85.985996][ T1499] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 85.986275][ T1499] 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
[   85.986987][ T1499] RSP: 0018:ffffc900038571e8 EFLAGS: 00010246
[   85.987288][ T1499] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   85.987628][ T1499] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff888009df2dc0
[   85.987955][ T1499] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   85.988279][ T1499] R10: ffffffffb1fec1e7 R11: ffff888009df2300 R12: 0000000000000000
[   85.988593][ T1499] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[   85.988923][ T1499] FS:  00007f4996078800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   85.989298][ T1499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   85.989559][ T1499] CR2: 00007f4996428200 CR3: 0000000009e1e004 CR4: 0000000000772ef0
[   85.989873][ T1499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   85.990198][ T1499] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   85.990511][ T1499] PKRU: 55555554
[   85.990669][ T1499] Call Trace:
[   85.990838][ T1499]  <TASK>
[ 85.990947][ T1499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 85.991172][ T1499] ? __warn (kernel/panic.c:748) 
[ 85.991338][ T1499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 85.991585][ T1499] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 85.991803][ T1499] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 85.991962][ T1499] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 85.992187][ T1499] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 85.992407][ T1499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 85.992624][ T1499] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 85.992835][ T1499] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 85.993115][ T1499] ? _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) 
[ 85.993333][ T1499] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 85.993546][ T1499] register_netdevice (net/core/dev.c:11003) 
[ 85.993762][ T1499] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 85.993984][ T1499] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 85.994231][ T1499] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 85.994503][ T1499] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 85.994778][ T1499] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 85.995068][ T1499] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 85.995341][ T1499] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 85.995634][ T1499] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 85.995902][ T1499] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 85.996126][ T1499] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 85.996402][ T1499] devlink_reload (net/devlink/dev.c:474) 
[ 85.996625][ T1499] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 85.996838][ T1499] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 85.997116][ T1499] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 85.997326][ T1499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 85.997586][ T1499] ? __nla_parse (lib/nlattr.c:732) 
[ 85.997810][ T1499] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 85.998033][ T1499] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 85.998304][ T1499] ? cap_capable (security/commoncap.c:131) 
[ 85.998515][ T1499] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 85.998731][ T1499] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 85.998941][ T1499] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 85.999165][ T1499] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 85.999447][ T1499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 85.999714][ T1499] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 85.999987][ T1499] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 86.000215][ T1499] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 86.000429][ T1499] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 86.000643][ T1499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 86.000883][ T1499] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 86.001061][ T1499] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 86.001275][ T1499] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 86.001490][ T1499] genl_rcv (net/netlink/genetlink.c:1220) 
[ 86.001648][ T1499] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 86.001864][ T1499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 86.002085][ T1499] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 86.002302][ T1499] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 86.002514][ T1499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 86.002729][ T1499] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 86.002940][ T1499] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 86.003170][ T1499] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 86.003395][ T1499] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 86.003634][ T1499] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 86.003851][ T1499] ? __sys_recvmsg (net/socket.c:2859) 
[ 86.004075][ T1499] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 86.004305][ T1499] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 86.004520][ T1499] __x64_sys_sendto (net/socket.c:2181) 
[ 86.004728][ T1499] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 86.005189][ T1499] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 86.005404][ T1499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   86.005663][ T1499] RIP: 0033:0x7f4996284a4a
[ 86.005995][ T1499] 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
[   86.006745][ T1499] RSP: 002b:00007fffadc17fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   86.007185][ T1499] RAX: ffffffffffffffda RBX: 000000003634db00 RCX: 00007f4996284a4a
[   86.007528][ T1499] RDX: 0000000000000038 RSI: 000000003634db00 RDI: 0000000000000005
[   86.007948][ T1499] RBP: 000000003634d910 R08: 00007f4996428200 R09: 000000000000000c
[   86.008275][ T1499] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   86.008583][ T1499] R13: 000000003634d910 R14: 0000000000000000 R15: 0000000000000003
| [   88.466686][ T1528] ------------[ cut here ]------------
| [ 88.466973][ T1528] WARNING: CPU: 2 PID: 1528 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) 
| [   88.467450][ T1528] Modules linked in: netdevsim
| [   88.468036][ T1528] Tainted: [W]=WARN
[   88.468201][ T1528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 88.468451][ T1528] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.468707][ T1528] 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
[   88.469476][ T1528] RSP: 0018:ffffc900039e71e8 EFLAGS: 00010246
[   88.469730][ T1528] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   88.470078][ T1528] RDX: 0000000000000000 RSI: ffff88800ad9ac98 RDI: ffff88800bb15080
[   88.470374][ T1528] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   88.470667][ T1528] R10: ffffffffb1fec1e7 R11: ffff88800bb145c0 R12: 0000000000000000
[   88.470973][ T1528] R13: ffff88800ad9a128 R14: ffff88800ad9a008 R15: ffff88800ad9a000
[   88.471279][ T1528] FS:  00007fe0e80ba800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   88.471618][ T1528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.471873][ T1528] CR2: 00007fe0e846a200 CR3: 000000000d138005 CR4: 0000000000772ef0
[   88.472179][ T1528] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   88.472475][ T1528] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   88.472787][ T1528] PKRU: 55555554
[   88.472943][ T1528] Call Trace:
[   88.473115][ T1528]  <TASK>
[ 88.473227][ T1528] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.473431][ T1528] ? __warn (kernel/panic.c:748) 
[ 88.473594][ T1528] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.473799][ T1528] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 88.474041][ T1528] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 88.474207][ T1528] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 88.474414][ T1528] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 88.474630][ T1528] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 88.474833][ T1528] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 88.475056][ T1528] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 88.475366][ T1528] ? _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) 
[ 88.475579][ T1528] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 88.475793][ T1528] register_netdevice (net/core/dev.c:11003) 
[ 88.476031][ T1528] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 88.476245][ T1528] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 88.476470][ T1528] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 88.476741][ T1528] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 88.477035][ T1528] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 88.477299][ T1528] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 88.477575][ T1528] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 88.477833][ T1528] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 88.478125][ T1528] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 88.478330][ T1528] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 88.478613][ T1528] devlink_reload (net/devlink/dev.c:474) 
[ 88.478842][ T1528] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 88.479072][ T1528] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 88.479351][ T1528] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 88.479570][ T1528] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 88.479828][ T1528] ? __nla_parse (lib/nlattr.c:732) 
[ 88.480057][ T1528] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 88.480269][ T1528] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 88.480543][ T1528] ? cap_capable (security/commoncap.c:131) 
[ 88.480761][ T1528] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 88.480980][ T1528] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 88.481217][ T1528] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 88.481428][ T1528] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 88.481676][ T1528] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 88.481943][ T1528] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 88.482234][ T1528] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 88.482449][ T1528] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 88.482650][ T1528] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 88.482872][ T1528] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 88.483106][ T1528] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 88.483283][ T1528] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 88.483503][ T1528] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 88.483730][ T1528] genl_rcv (net/netlink/genetlink.c:1220) 
[ 88.483891][ T1528] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 88.484127][ T1528] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 88.484349][ T1528] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 88.484572][ T1528] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 88.484805][ T1528] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 88.485035][ T1528] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 88.485262][ T1528] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 88.485487][ T1528] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 88.485713][ T1528] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 88.485934][ T1528] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 88.486217][ T1528] ? __sys_recvmsg (net/socket.c:2859) 
[ 88.486459][ T1528] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 88.486673][ T1528] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 88.486918][ T1528] __x64_sys_sendto (net/socket.c:2181) 
[ 88.487151][ T1528] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 88.487415][ T1528] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 88.487646][ T1528] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   88.487909][ T1528] RIP: 0033:0x7fe0e82c6a4a
[ 88.488155][ T1528] 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
[   88.488852][ T1528] RSP: 002b:00007ffed72036b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   88.489191][ T1528] RAX: ffffffffffffffda RBX: 0000000027742b00 RCX: 00007fe0e82c6a4a
[   88.489498][ T1528] RDX: 0000000000000038 RSI: 0000000027742b00 RDI: 0000000000000005
[   88.489803][ T1528] RBP: 0000000027742910 R08: 00007fe0e846a200 R09: 000000000000000c
[   88.490132][ T1528] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   88.490454][ T1528] R13: 0000000027742910 R14: 0000000000000000 R15: 0000000000000003
| [   91.050286][ T1556] ------------[ cut here ]------------
| [ 91.050562][ T1556] WARNING: CPU: 2 PID: 1556 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) 
| [   91.051482][ T1556] Modules linked in: netdevsim
| [   91.052075][ T1556] Tainted: [W]=WARN
[   91.052235][ T1556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 91.052485][ T1556] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 91.052812][ T1556] 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
[   91.053534][ T1556] RSP: 0018:ffffc90003b771e8 EFLAGS: 00010246
[   91.053789][ T1556] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   91.054100][ T1556] RDX: 0000000000000000 RSI: ffff8880089c2c98 RDI: ffff888004d0adc0
[   91.054399][ T1556] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[   91.054706][ T1556] R10: ffffffffb1fec1e7 R11: ffff888004d0a300 R12: 0000000000000000
[   91.055023][ T1556] R13: ffff8880089c2128 R14: ffff8880089c2008 R15: ffff8880089c2000
[   91.055322][ T1556] FS:  00007f25334cd800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   91.055808][ T1556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.056083][ T1556] CR2: 00007f253387d200 CR3: 000000000df48005 CR4: 0000000000772ef0
[   91.056384][ T1556] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   91.056714][ T1556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   91.057020][ T1556] PKRU: 55555554
[   91.057182][ T1556] Call Trace:
[   91.057339][ T1556]  <TASK>
[ 91.057452][ T1556] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 91.057658][ T1556] ? __warn (kernel/panic.c:748) 
[ 91.057817][ T1556] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 91.058034][ T1556] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 91.058254][ T1556] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 91.058415][ T1556] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 91.058615][ T1556] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 91.058833][ T1556] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 91.059045][ T1556] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 91.059255][ T1556] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 91.059512][ T1556] ? _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) 
[ 91.059723][ T1556] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 91.059930][ T1556] register_netdevice (net/core/dev.c:11003) 
[ 91.060155][ T1556] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 91.060370][ T1556] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 91.060618][ T1556] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 91.060908][ T1556] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 91.061200][ T1556] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 91.061468][ T1556] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 91.061728][ T1556] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 91.061986][ T1556] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 91.062261][ T1556] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 91.062526][ T1556] devlink_reload (net/devlink/dev.c:474) 
[ 91.062738][ T1556] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 91.062948][ T1556] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 91.063217][ T1556] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 91.063429][ T1556] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 91.063774][ T1556] ? __nla_parse (lib/nlattr.c:732) 
[ 91.063990][ T1556] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 91.064212][ T1556] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 91.064486][ T1556] ? cap_capable (security/commoncap.c:131) 
[ 91.064721][ T1556] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 91.064937][ T1556] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 91.065173][ T1556] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 91.065379][ T1556] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 91.065630][ T1556] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 91.065875][ T1556] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 91.066150][ T1556] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 91.066354][ T1556] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 91.066560][ T1556] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 91.066769][ T1556] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 91.066992][ T1556] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 91.067164][ T1556] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 91.067372][ T1556] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 91.067582][ T1556] genl_rcv (net/netlink/genetlink.c:1220) 
[ 91.067737][ T1556] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 91.067945][ T1556] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 91.068161][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 91.068378][ T1556] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 91.068618][ T1556] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 91.068829][ T1556] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 91.069059][ T1556] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 91.069285][ T1556] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 91.069508][ T1556] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 91.069734][ T1556] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 91.069966][ T1556] ? __sys_recvmsg (net/socket.c:2859) 
[ 91.070204][ T1556] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 91.070434][ T1556] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 91.070669][ T1556] __x64_sys_sendto (net/socket.c:2181) 
[ 91.070948][ T1556] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 91.071233][ T1556] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 91.071454][ T1556] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   91.071721][ T1556] RIP: 0033:0x7f25336d9a4a
[ 91.071947][ T1556] 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
[   91.072718][ T1556] RSP: 002b:00007fff1671e6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   91.073048][ T1556] RAX: ffffffffffffffda RBX: 0000000006959b00 RCX: 00007f25336d9a4a
[   91.073362][ T1556] RDX: 0000000000000038 RSI: 0000000006959b00 RDI: 0000000000000005
[   91.073712][ T1556] RBP: 0000000006959910 R08: 00007f253387d200 R09: 000000000000000c
[   91.074040][ T1556] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   91.074355][ T1556] R13: 0000000006959910 R14: 0000000000000000 R15: 0000000000000003
| [  115.510382][ T1994] ------------[ cut here ]------------
| [ 115.510629][ T1994] WARNING: CPU: 0 PID: 1994 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) 
| [  115.511156][ T1994] Modules linked in: netdevsim
| [  115.511700][ T1994] Tainted: [W]=WARN
[  115.511849][ T1994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.512110][ T1994] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 115.512363][ T1994] 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
[  115.513036][ T1994] RSP: 0018:ffffc90004cd71e8 EFLAGS: 00010246
[  115.513297][ T1994] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  115.513584][ T1994] RDX: 0000000000000000 RSI: ffff88800b202c98 RDI: ffff8880072f0b00
[  115.513869][ T1994] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[  115.514189][ T1994] R10: ffffffffb1fec1e7 R11: ffff8880072f0040 R12: 0000000000000000
[  115.514481][ T1994] R13: ffff88800b202128 R14: ffff88800b202008 R15: ffff88800b202000
[  115.514777][ T1994] FS:  00007fe70bfce800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  115.515138][ T1994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.515394][ T1994] CR2: 00007fe70c37e200 CR3: 00000000093b4005 CR4: 0000000000772ef0
[  115.515691][ T1994] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  115.515993][ T1994] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  115.516428][ T1994] PKRU: 55555554
[  115.516583][ T1994] Call Trace:
[  115.516735][ T1994]  <TASK>
[ 115.516840][ T1994] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 115.517060][ T1994] ? __warn (kernel/panic.c:748) 
[ 115.517217][ T1994] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 115.517414][ T1994] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 115.517622][ T1994] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 115.517776][ T1994] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 115.517965][ T1994] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 115.518211][ T1994] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 115.518415][ T1994] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 115.518623][ T1994] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 115.518882][ T1994] ? _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) 
[ 115.519112][ T1994] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 115.519322][ T1994] register_netdevice (net/core/dev.c:11003) 
[ 115.519525][ T1994] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 115.519730][ T1994] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 115.519948][ T1994] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 115.520230][ T1994] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 115.520503][ T1994] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 115.520780][ T1994] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 115.521064][ T1994] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 115.521331][ T1994] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 115.521592][ T1994] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 115.521795][ T1994] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 115.522088][ T1994] devlink_reload (net/devlink/dev.c:474) 
[ 115.522304][ T1994] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 115.522510][ T1994] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 115.522767][ T1994] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 115.522996][ T1994] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 115.523363][ T1994] ? __nla_parse (lib/nlattr.c:732) 
[ 115.523577][ T1994] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 115.523782][ T1994] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 115.524071][ T1994] ? cap_capable (security/commoncap.c:131) 
[ 115.524388][ T1994] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 115.524739][ T1994] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 115.525111][ T1994] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 115.525443][ T1994] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 115.525861][ T1994] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 115.526295][ T1994] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 115.526736][ T1994] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 115.527100][ T1994] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 115.527436][ T1994] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 115.527780][ T1994] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 115.528157][ T1994] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 115.528419][ T1994] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 115.528767][ T1994] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 115.529136][ T1994] genl_rcv (net/netlink/genetlink.c:1220) 
[ 115.529392][ T1994] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 115.529741][ T1994] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 115.530103][ T1994] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 115.530448][ T1994] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 115.530801][ T1994] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 115.531147][ T1994] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 115.531486][ T1994] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 115.531871][ T1994] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 115.532232][ T1994] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 115.532585][ T1994] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 115.532919][ T1994] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 115.533309][ T1994] ? __sys_recvmsg (net/socket.c:2859) 
[ 115.533659][ T1994] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 115.534039][ T1994] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 115.534385][ T1994] __x64_sys_sendto (net/socket.c:2181) 
[ 115.534729][ T1994] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 115.535165][ T1994] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 115.535506][ T1994] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.535910][ T1994] RIP: 0033:0x7fe70c1daa4a
[ 115.536255][ T1994] 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
[  115.537374][ T1994] RSP: 002b:00007ffe003d3388 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  115.537864][ T1994] RAX: ffffffffffffffda RBX: 0000000024218b00 RCX: 00007fe70c1daa4a
[  115.538348][ T1994] RDX: 0000000000000038 RSI: 0000000024218b00 RDI: 0000000000000005
[  115.538825][ T1994] RBP: 0000000024218910 R08: 00007fe70c37e200 R09: 000000000000000c
[  115.539328][ T1994] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  115.539800][ T1994] R13: 0000000024218910 R14: 0000000000000000 R15: 0000000000000003
| [  117.318768][ T2026] ------------[ cut here ]------------
| [ 117.319105][ T2026] WARNING: CPU: 3 PID: 2026 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) 
| [  117.319560][ T2026] Modules linked in: netdevsim
| [  117.320212][ T2026] Tainted: [W]=WARN
[  117.320394][ T2026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.320698][ T2026] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.320984][ T2026] 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
[  117.321869][ T2026] RSP: 0018:ffffc90004e071e8 EFLAGS: 00010246
[  117.322247][ T2026] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  117.322574][ T2026] RDX: 0000000000000000 RSI: ffff88800599ac98 RDI: ffff888004d0adc0
[  117.322903][ T2026] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[  117.323317][ T2026] R10: ffffffffb1fec1e7 R11: ffff888004d0a300 R12: 0000000000000000
[  117.323643][ T2026] R13: ffff88800599a128 R14: ffff88800599a008 R15: ffff88800599a000
[  117.323968][ T2026] FS:  00007fb72b7aa800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  117.324445][ T2026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.324721][ T2026] CR2: 0000560ed4194128 CR3: 000000000e85a006 CR4: 0000000000772ef0
[  117.325138][ T2026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  117.325468][ T2026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  117.325799][ T2026] PKRU: 55555554
[  117.325966][ T2026] Call Trace:
[  117.326226][ T2026]  <TASK>
[ 117.326342][ T2026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.326586][ T2026] ? __warn (kernel/panic.c:748) 
[ 117.326762][ T2026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.326984][ T2026] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 117.327291][ T2026] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 117.327466][ T2026] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 117.327686][ T2026] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 117.327936][ T2026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 117.328278][ T2026] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 117.328627][ T2026] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 117.329075][ T2026] ? _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) 
[ 117.329316][ T2026] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 117.329543][ T2026] register_netdevice (net/core/dev.c:11003) 
[ 117.329788][ T2026] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 117.330039][ T2026] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 117.330280][ T2026] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 117.330568][ T2026] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 117.330884][ T2026] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 117.331189][ T2026] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 117.331499][ T2026] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 117.331798][ T2026] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 117.332090][ T2026] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 117.332312][ T2026] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 117.332611][ T2026] devlink_reload (net/devlink/dev.c:474) 
[ 117.332863][ T2026] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 117.333102][ T2026] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 117.333384][ T2026] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 117.333612][ T2026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 117.333907][ T2026] ? __nla_parse (lib/nlattr.c:732) 
[ 117.334151][ T2026] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 117.334377][ T2026] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 117.334667][ T2026] ? cap_capable (security/commoncap.c:131) 
[ 117.334909][ T2026] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 117.335158][ T2026] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 117.335384][ T2026] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 117.335612][ T2026] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 117.335897][ T2026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 117.336177][ T2026] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 117.336466][ T2026] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 117.336692][ T2026] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 117.336930][ T2026] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 117.337166][ T2026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 117.337404][ T2026] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 117.337575][ T2026] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 117.337835][ T2026] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 117.338083][ T2026] genl_rcv (net/netlink/genetlink.c:1220) 
[ 117.338251][ T2026] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 117.338476][ T2026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 117.338705][ T2026] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 117.338936][ T2026] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 117.339177][ T2026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 117.339394][ T2026] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 117.339616][ T2026] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 117.339848][ T2026] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 117.340089][ T2026] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 117.340318][ T2026] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 117.340545][ T2026] ? __sys_recvmsg (net/socket.c:2859) 
[ 117.340768][ T2026] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 117.341011][ T2026] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 117.341223][ T2026] __x64_sys_sendto (net/socket.c:2181) 
[ 117.341430][ T2026] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 117.341684][ T2026] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 117.341893][ T2026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.342182][ T2026] RIP: 0033:0x7fb72b9b6a4a
[ 117.342403][ T2026] 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
[  117.343130][ T2026] RSP: 002b:00007ffdd349fa68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  117.343435][ T2026] RAX: ffffffffffffffda RBX: 000000003a7e5b00 RCX: 00007fb72b9b6a4a
[  117.343737][ T2026] RDX: 0000000000000038 RSI: 000000003a7e5b00 RDI: 0000000000000005
[  117.344050][ T2026] RBP: 000000003a7e5910 R08: 00007fb72bb5a200 R09: 000000000000000c
[  117.344445][ T2026] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  117.344745][ T2026] R13: 000000003a7e5910 R14: 0000000000000000 R15: 0000000000000003
| [  118.487985][ T2051] ------------[ cut here ]------------
| [ 118.488399][ T2051] WARNING: CPU: 3 PID: 2051 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) 
| [  118.488919][ T2051] Modules linked in: netdevsim
| [  118.489530][ T2051] Tainted: [W]=WARN
[  118.489696][ T2051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.489951][ T2051] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 118.490240][ T2051] 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
[  118.491019][ T2051] RSP: 0018:ffffc90004f071e8 EFLAGS: 00010246
[  118.491275][ T2051] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  118.491568][ T2051] RDX: 0000000000000000 RSI: ffff888009e2ac98 RDI: ffff888008f02dc0
[  118.491863][ T2051] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[  118.492183][ T2051] R10: ffffffffb1fec1e7 R11: ffff888008f02300 R12: 0000000000000000
[  118.492475][ T2051] R13: ffff888009e2a128 R14: ffff888009e2a008 R15: ffff888009e2a000
[  118.492768][ T2051] FS:  00007fbebf358800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  118.493213][ T2051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.493591][ T2051] CR2: 00007f6348419258 CR3: 00000000091b4005 CR4: 0000000000772ef0
[  118.493893][ T2051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  118.494218][ T2051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  118.494520][ T2051] PKRU: 55555554
[  118.494674][ T2051] Call Trace:
[  118.494826][ T2051]  <TASK>
[ 118.494930][ T2051] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 118.495159][ T2051] ? __warn (kernel/panic.c:748) 
[ 118.495340][ T2051] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 118.495547][ T2051] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 118.495758][ T2051] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 118.495917][ T2051] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 118.496179][ T2051] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 118.496395][ T2051] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 118.496595][ T2051] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 118.496807][ T2051] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 118.497095][ T2051] ? _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) 
[ 118.497305][ T2051] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 118.497513][ T2051] register_netdevice (net/core/dev.c:11003) 
[ 118.497720][ T2051] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 118.497932][ T2051] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 118.498171][ T2051] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 118.498436][ T2051] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 118.498704][ T2051] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 118.498967][ T2051] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 118.499251][ T2051] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 118.499507][ T2051] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 118.499759][ T2051] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 118.499957][ T2051] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 118.500235][ T2051] devlink_reload (net/devlink/dev.c:474) 
[ 118.500446][ T2051] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 118.500673][ T2051] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 118.500930][ T2051] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 118.501146][ T2051] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 118.501399][ T2051] ? __nla_parse (lib/nlattr.c:732) 
[ 118.501618][ T2051] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 118.501830][ T2051] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 118.502167][ T2051] ? cap_capable (security/commoncap.c:131) 
[ 118.502377][ T2051] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 118.502585][ T2051] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 118.502794][ T2051] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 118.503000][ T2051] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 118.503266][ T2051] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 118.503506][ T2051] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 118.503763][ T2051] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 118.503969][ T2051] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 118.504204][ T2051] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 118.504422][ T2051] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 118.504639][ T2051] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 118.504793][ T2051] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 118.505015][ T2051] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 118.505220][ T2051] genl_rcv (net/netlink/genetlink.c:1220) 
[ 118.505373][ T2051] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 118.505580][ T2051] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 118.505784][ T2051] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 118.505997][ T2051] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 118.506218][ T2051] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 118.506412][ T2051] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 118.506611][ T2051] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 118.506818][ T2051] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 118.507030][ T2051] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 118.507245][ T2051] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 118.507540][ T2051] ? __sys_recvmsg (net/socket.c:2859) 
[ 118.507739][ T2051] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 118.507949][ T2051] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 118.508168][ T2051] __x64_sys_sendto (net/socket.c:2181) 
[ 118.508375][ T2051] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 118.508626][ T2051] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 118.508831][ T2051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.509094][ T2051] RIP: 0033:0x7fbebf564a4a
[ 118.509307][ T2051] 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
[  118.510111][ T2051] RSP: 002b:00007ffee8737b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  118.510435][ T2051] RAX: ffffffffffffffda RBX: 0000000039961b00 RCX: 00007fbebf564a4a
[  118.510770][ T2051] RDX: 0000000000000038 RSI: 0000000039961b00 RDI: 0000000000000005
[  118.511088][ T2051] RBP: 0000000039961910 R08: 00007fbebf708200 R09: 000000000000000c
[  118.511404][ T2051] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  118.511731][ T2051] R13: 0000000039961910 R14: 0000000000000000 R15: 0000000000000003
| [  121.433138][ T2084] ------------[ cut here ]------------
| [ 121.433431][ T2084] WARNING: CPU: 3 PID: 2084 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) 
| [  121.433857][ T2084] Modules linked in: netdevsim
| [  121.434433][ T2084] Tainted: [W]=WARN
[  121.434588][ T2084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.434869][ T2084] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 121.435134][ T2084] 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
[  121.435809][ T2084] RSP: 0018:ffffc900050d71e8 EFLAGS: 00010246
[  121.436064][ T2084] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  121.436351][ T2084] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff888009dc5080
[  121.436641][ T2084] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[  121.436927][ T2084] R10: ffffffffb1fec1e7 R11: ffff888009dc45c0 R12: 0000000000000000
[  121.437248][ T2084] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[  121.437534][ T2084] FS:  00007f8468ec0800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  121.437868][ T2084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.438157][ T2084] CR2: 00007f8469270200 CR3: 000000000d180001 CR4: 0000000000772ef0
[  121.438454][ T2084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  121.438766][ T2084] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  121.439064][ T2084] PKRU: 55555554
[  121.439228][ T2084] Call Trace:
[  121.439377][ T2084]  <TASK>
[ 121.439478][ T2084] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 121.439673][ T2084] ? __warn (kernel/panic.c:748) 
[ 121.439823][ T2084] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 121.440032][ T2084] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 121.440236][ T2084] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 121.440387][ T2084] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 121.440609][ T2084] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 121.440849][ T2084] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 121.441097][ T2084] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 121.441310][ T2084] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 121.441563][ T2084] ? _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) 
[ 121.441762][ T2084] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 121.441963][ T2084] register_netdevice (net/core/dev.c:11003) 
[ 121.442179][ T2084] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 121.442384][ T2084] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 121.442600][ T2084] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 121.442888][ T2084] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 121.443168][ T2084] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 121.443426][ T2084] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 121.443676][ T2084] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 121.443952][ T2084] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 121.444213][ T2084] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 121.444433][ T2084] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 121.444690][ T2084] devlink_reload (net/devlink/dev.c:474) 
[ 121.444894][ T2084] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 121.445119][ T2084] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 121.445379][ T2084] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 121.445576][ T2084] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 121.445819][ T2084] ? __nla_parse (lib/nlattr.c:732) 
[ 121.446038][ T2084] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 121.446238][ T2084] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 121.446496][ T2084] ? cap_capable (security/commoncap.c:131) 
[ 121.446687][ T2084] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 121.446889][ T2084] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 121.447103][ T2084] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 121.447297][ T2084] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 121.447530][ T2084] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 121.447801][ T2084] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 121.448066][ T2084] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 121.448270][ T2084] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 121.448464][ T2084] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 121.448663][ T2084] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 121.448871][ T2084] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 121.449044][ T2084] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 121.449243][ T2084] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 121.449442][ T2084] genl_rcv (net/netlink/genetlink.c:1220) 
[ 121.449588][ T2084] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 121.449789][ T2084] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 121.449983][ T2084] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 121.450204][ T2084] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 121.450405][ T2084] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 121.450630][ T2084] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 121.450831][ T2084] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 121.451046][ T2084] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 121.451245][ T2084] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 121.451448][ T2084] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 121.451646][ T2084] ? __sys_recvmsg (net/socket.c:2859) 
[ 121.451868][ T2084] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 121.452085][ T2084] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 121.452290][ T2084] __x64_sys_sendto (net/socket.c:2181) 
[ 121.452483][ T2084] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 121.452722][ T2084] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 121.452917][ T2084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.453198][ T2084] RIP: 0033:0x7f84690cca4a
[ 121.453403][ T2084] 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
[  121.454080][ T2084] RSP: 002b:00007ffd231aafa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  121.454369][ T2084] RAX: ffffffffffffffda RBX: 000000003be90b00 RCX: 00007f84690cca4a
[  121.454660][ T2084] RDX: 0000000000000038 RSI: 000000003be90b00 RDI: 0000000000000005
[  121.454939][ T2084] RBP: 000000003be90910 R08: 00007f8469270200 R09: 000000000000000c
[  121.455232][ T2084] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  121.455517][ T2084] R13: 000000003be90910 R14: 0000000000000000 R15: 0000000000000003
| [  124.242367][ T2114] ------------[ cut here ]------------
| [ 124.242634][ T2114] WARNING: CPU: 0 PID: 2114 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) 
| [  124.243076][ T2114] Modules linked in: netdevsim
| [  124.243665][ T2114] Tainted: [W]=WARN
[  124.243831][ T2114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 124.244114][ T2114] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 124.244392][ T2114] 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
[  124.245158][ T2114] RSP: 0018:ffffc900052771e8 EFLAGS: 00010246
[  124.245445][ T2114] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  124.245768][ T2114] RDX: 0000000000000000 RSI: ffff88800ad9ac98 RDI: ffff88800ae60b00
[  124.246103][ T2114] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[  124.246424][ T2114] R10: ffffffffb1fec1e7 R11: ffff88800ae60040 R12: 0000000000000000
[  124.246744][ T2114] R13: ffff88800ad9a128 R14: ffff88800ad9a008 R15: ffff88800ad9a000
[  124.247083][ T2114] FS:  00007f214f3b4800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  124.247454][ T2114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  124.247724][ T2114] CR2: 00007f214f764200 CR3: 0000000009114003 CR4: 0000000000772ef0
[  124.248054][ T2114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  124.248375][ T2114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  124.248693][ T2114] PKRU: 55555554
[  124.248853][ T2114] Call Trace:
[  124.249021][ T2114]  <TASK>
[ 124.249153][ T2114] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 124.249361][ T2114] ? __warn (kernel/panic.c:748) 
[ 124.249533][ T2114] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 124.249754][ T2114] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 124.249976][ T2114] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 124.250144][ T2114] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 124.250363][ T2114] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 124.250592][ T2114] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 124.250805][ T2114] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 124.251019][ T2114] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 124.251275][ T2114] ? _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) 
[ 124.251482][ T2114] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 124.251688][ T2114] register_netdevice (net/core/dev.c:11003) 
[ 124.251895][ T2114] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 124.252116][ T2114] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 124.252338][ T2114] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 124.252603][ T2114] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 124.252872][ T2114] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 124.253153][ T2114] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 124.253426][ T2114] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 124.253705][ T2114] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 124.253972][ T2114] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 124.254196][ T2114] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 124.254472][ T2114] devlink_reload (net/devlink/dev.c:474) 
[ 124.254680][ T2114] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 124.254892][ T2114] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 124.255162][ T2114] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 124.255365][ T2114] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 124.255618][ T2114] ? __nla_parse (lib/nlattr.c:732) 
[ 124.255828][ T2114] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 124.256044][ T2114] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 124.256312][ T2114] ? cap_capable (security/commoncap.c:131) 
[ 124.256507][ T2114] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 124.256713][ T2114] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 124.256933][ T2114] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 124.257149][ T2114] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 124.257395][ T2114] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 124.257659][ T2114] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 124.257928][ T2114] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 124.258144][ T2114] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 124.258351][ T2114] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 124.258561][ T2114] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 124.258796][ T2114] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 124.258953][ T2114] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 124.259176][ T2114] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 124.259409][ T2114] genl_rcv (net/netlink/genetlink.c:1220) 
[ 124.259555][ T2114] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 124.259755][ T2114] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 124.259952][ T2114] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 124.260202][ T2114] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 124.260423][ T2114] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 124.260634][ T2114] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 124.260844][ T2114] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 124.261070][ T2114] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 124.261282][ T2114] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 124.261496][ T2114] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 124.261737][ T2114] ? __sys_recvmsg (net/socket.c:2859) 
[ 124.261963][ T2114] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 124.262204][ T2114] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 124.262424][ T2114] __x64_sys_sendto (net/socket.c:2181) 
[ 124.262627][ T2114] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 124.262885][ T2114] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 124.263100][ T2114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  124.263356][ T2114] RIP: 0033:0x7f214f5c0a4a
[ 124.263563][ T2114] 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
[  124.264323][ T2114] RSP: 002b:00007ffcad799e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  124.264642][ T2114] RAX: ffffffffffffffda RBX: 000000001d367b00 RCX: 00007f214f5c0a4a
[  124.264948][ T2114] RDX: 0000000000000038 RSI: 000000001d367b00 RDI: 0000000000000005
[  124.265279][ T2114] RBP: 000000001d367910 R08: 00007f214f764200 R09: 000000000000000c
[  124.265585][ T2114] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  124.265895][ T2114] R13: 000000001d367910 R14: 0000000000000000 R15: 0000000000000003
| [  126.783400][ T2142] ------------[ cut here ]------------
| [ 126.783676][ T2142] WARNING: CPU: 3 PID: 2142 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) 
| [  126.784598][ T2142] Modules linked in: netdevsim
| [  126.785257][ T2142] Tainted: [W]=WARN
[  126.785427][ T2142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 126.785701][ T2142] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.785988][ T2142] 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
[  126.786765][ T2142] RSP: 0018:ffffc900054171e8 EFLAGS: 00010246
[  126.787060][ T2142] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  126.787390][ T2142] RDX: 0000000000000000 RSI: ffff8880089c2c98 RDI: ffff88800d150b00
[  126.787730][ T2142] RBP: ffff888008ed0040 R08: 0000000000000000 R09: fffffbfff63fd83c
[  126.788072][ T2142] R10: ffffffffb1fec1e7 R11: ffff88800d150040 R12: 0000000000000000
[  126.788407][ T2142] R13: ffff8880089c2128 R14: ffff8880089c2008 R15: ffff8880089c2000
[  126.788737][ T2142] FS:  00007f65ce21e800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  126.789129][ T2142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  126.789405][ T2142] CR2: 00007f65ce5ce200 CR3: 000000000dfc6004 CR4: 0000000000772ef0
[  126.789738][ T2142] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  126.790087][ T2142] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  126.790427][ T2142] PKRU: 55555554
[  126.790608][ T2142] Call Trace:
[  126.790774][ T2142]  <TASK>
[ 126.790888][ T2142] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.791136][ T2142] ? __warn (kernel/panic.c:748) 
[ 126.791313][ T2142] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.791540][ T2142] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 126.791776][ T2142] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 126.791948][ T2142] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 126.792188][ T2142] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 126.792427][ T2142] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 126.792656][ T2142] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 126.792883][ T2142] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 126.793179][ T2142] ? _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) 
[ 126.793409][ T2142] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 126.793635][ T2142] register_netdevice (net/core/dev.c:11003) 
[ 126.793859][ T2142] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 126.794100][ T2142] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 126.794344][ T2142] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 126.794630][ T2142] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 126.794922][ T2142] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 126.795230][ T2142] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 126.795514][ T2142] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 126.795793][ T2142] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 126.796088][ T2142] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 126.796380][ T2142] devlink_reload (net/devlink/dev.c:474) 
[ 126.796608][ T2142] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 126.796840][ T2142] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 126.797136][ T2142] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 126.797364][ T2142] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 126.797639][ T2142] ? __nla_parse (lib/nlattr.c:732) 
[ 126.797871][ T2142] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 126.798118][ T2142] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 126.798409][ T2142] ? cap_capable (security/commoncap.c:131) 
[ 126.798642][ T2142] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 126.798889][ T2142] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 126.799128][ T2142] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 126.799360][ T2142] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 126.799631][ T2142] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 126.799911][ T2142] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 126.800210][ T2142] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 126.800441][ T2142] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 126.800677][ T2142] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 126.800906][ T2142] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 126.801162][ T2142] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 126.801332][ T2142] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 126.801563][ T2142] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 126.801807][ T2142] genl_rcv (net/netlink/genetlink.c:1220) 
[ 126.801975][ T2142] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 126.802219][ T2142] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 126.802443][ T2142] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 126.802670][ T2142] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 126.802894][ T2142] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 126.803160][ T2142] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 126.803392][ T2142] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 126.803612][ T2142] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 126.803836][ T2142] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 126.804079][ T2142] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 126.804298][ T2142] ? __sys_recvmsg (net/socket.c:2859) 
[ 126.804505][ T2142] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 126.804723][ T2142] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 126.804941][ T2142] __x64_sys_sendto (net/socket.c:2181) 
[ 126.805164][ T2142] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 126.805418][ T2142] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 126.805631][ T2142] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  126.805886][ T2142] RIP: 0033:0x7f65ce42aa4a
[ 126.806111][ T2142] 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
[  126.806855][ T2142] RSP: 002b:00007ffee2124b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  126.807187][ T2142] RAX: ffffffffffffffda RBX: 000000001110db00 RCX: 00007f65ce42aa4a
[  126.807490][ T2142] RDX: 0000000000000038 RSI: 000000001110db00 RDI: 0000000000000005
[  126.807795][ T2142] RBP: 000000001110d910 R08: 00007f65ce5ce200 R09: 000000000000000c
[  126.808109][ T2142] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  126.808415][ T2142] R13: 000000001110d910 R14: 0000000000000000 R15: 0000000000000003
| [  127.651892][   T11] ------------[ cut here ]------------
| [ 127.652390][ T11] WARNING: CPU: 3 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  127.652903][   T11] Modules linked in: netdevsim
| [  127.653728][   T11] Tainted: [W]=WARN
[  127.653969][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  127.654376][   T11] Workqueue: netns cleanup_net
[ 127.654751][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 127.655152][ T11] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  127.656212][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[  127.656599][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  127.657064][   T11] RDX: 0000000000000000 RSI: ffff88800b202c98 RDI: ffff888001a82e10
[  127.657509][   T11] RBP: ffffffffb4123440 R08: 0000000000000000 R09: fffffbfff63fd83c
[  127.657976][   T11] R10: ffffffffb1fec1e7 R11: ffff888001a82300 R12: 0000000000000000
[  127.658404][   T11] R13: ffff88800b202128 R14: ffff88800b202008 R15: ffff88800b202000
[  127.658778][   T11] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  127.659292][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.659675][   T11] CR2: 00007f1330b2d000 CR3: 0000000015b28003 CR4: 0000000000772ef0
[  127.660139][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  127.660596][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  127.661314][   T11] PKRU: 55555554
[  127.661546][   T11] Call Trace:
[  127.661788][   T11]  <TASK>
[ 127.661945][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 127.662264][ T11] ? __warn (kernel/panic.c:748) 
[ 127.662499][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 127.662817][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 127.663159][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 127.663379][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 127.663650][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 127.663947][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 127.664248][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 127.664584][ T11] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 127.664848][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 127.665145][ T11] register_netdevice (net/core/dev.c:11003) 
[ 127.665407][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 127.665696][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 127.665976][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 127.666308][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 127.666661][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 127.667028][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 127.667365][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 127.667694][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 127.668026][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 127.668275][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 127.668515][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 127.668770][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 127.669027][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 127.669350][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 127.669594][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 127.669837][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 127.670104][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 127.670361][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 127.670614][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 127.670865][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 127.671141][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 127.671384][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 127.671637][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 127.671883][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 127.672169][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 127.672425][ T11] kthread (kernel/kthread.c:464) 
[ 127.672628][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 127.672891][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 127.673169][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 127.673414][ T11] ? __pfx_kthread (kernel/kthread.c:413) 


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