======================================
| 0
| xx__-> [   10.530800][  T228] ------------[ cut here ]------------
| [ 10.531142][ T228] WARNING: CPU: 1 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.531593][  T228] Modules linked in: netdevsim
[   10.532292][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.532658][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.532941][ T228] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.533780][  T228] RSP: 0018:ffffc90000af7520 EFLAGS: 00010246
[   10.534072][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.534489][  T228] RDX: 0000000000000000 RSI: ffff888008e5ac98 RDI: ffff888002062e38
[   10.534795][  T228] RBP: ffffffffab923440 R08: 0000000000000000 R09: fffffbfff52fd83c
[   10.535119][  T228] R10: ffffffffa97ec1e7 R11: ffff888002062300 R12: 0000000000000000
[   10.535433][  T228] R13: ffff888008e5a128 R14: ffff888008e5a008 R15: ffff888008e5a000
[   10.535768][  T228] FS:  00007f7d1ec25740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   10.536122][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.536382][  T228] CR2: 000056011fce3ac8 CR3: 000000000aad0001 CR4: 0000000000772ef0
[   10.536701][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.537011][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.537318][  T228] PKRU: 55555554
[   10.537491][  T228] Call Trace:
[   10.537656][  T228]  <TASK>
[ 10.537766][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.537976][ T228] ? __warn (kernel/panic.c:748) 
[ 10.538139][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.538349][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.538569][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.538730][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.538937][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.539159][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.539388][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.539664][ T228] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.539880][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.540094][ T228] register_netdevice (net/core/dev.c:11003) 
[ 10.540309][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.540539][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.540764][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.541031][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.541191][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.541470][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.541736][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.541999][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.542214][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.542485][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.542697][ T228] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 10.542853][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.543066][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.543281][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.543497][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 10.543710][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.543920][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.544171][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.544385][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.544598][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.544803][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.545009][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.545219][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 10.545437][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.545644][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.545851][ T228] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 10.546065][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 10.546274][ T228] device_add (drivers/base/core.c:3672) 
[ 10.546497][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.546704][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.546928][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.547196][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.547473][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.547691][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.547900][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.548108][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.548320][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.548496][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.548705][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.548925][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.549144][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.549375][ T228] ksys_write (fs/read_write.c:731) 
[ 10.549563][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.549767][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.549982][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.550190][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.550454][  T228] RIP: 0033:0x7f7d1ed66b77
[ 10.550689][ T228] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   10.551421][  T228] RSP: 002b:00007fffa819d2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.551733][  T228] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d1ed66b77
[   10.552037][  T228] RDX: 0000000000000007 RSI: 000056011fce2ac0 RDI: 0000000000000001
[   10.552355][  T228] RBP: 000056011fce2ac0 R08: 0000000000000003 R09: 0000000000000077
[   10.552670][  T228] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   10.552977][  T228] R13: 00007f7d1ee22760 R14: 0000000000000007 R15: 00007f7d1ee1d9c0
| [   10.805425][  T254] ------------[ cut here ]------------
| [ 10.805772][ T254] WARNING: CPU: 2 PID: 254 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.806185][  T254] Modules linked in: netdevsim
| [   10.806887][  T254] Tainted: [W]=WARN
[   10.807071][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.807331][ T254] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.807617][ T254] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.808322][  T254] RSP: 0000:ffffc900007671e8 EFLAGS: 00010246
[   10.808601][  T254] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.808912][  T254] RDX: 0000000000000000 RSI: ffff888009f0ac98 RDI: ffff888009e58b00
[   10.809257][  T254] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   10.809573][  T254] R10: ffffffffa97ec1e7 R11: ffff888009e58040 R12: 0000000000000000
[   10.809877][  T254] R13: ffff888009f0a128 R14: ffff888009f0a008 R15: ffff888009f0a000
[   10.810182][  T254] FS:  00007f22cf46f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   10.810543][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.810809][  T254] CR2: 00007f4c6b52d040 CR3: 00000000097b4005 CR4: 0000000000772ef0
[   10.811116][  T254] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.811431][  T254] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.811737][  T254] PKRU: 55555554
[   10.811900][  T254] Call Trace:
[   10.812068][  T254]  <TASK>
[ 10.812186][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.812412][ T254] ? __warn (kernel/panic.c:748) 
[ 10.812582][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.812796][ T254] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.813017][ T254] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.813189][ T254] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.813411][ T254] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.813641][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.813863][ T254] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.814077][ T254] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.814342][ T254] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.814568][ T254] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.814784][ T254] register_netdevice (net/core/dev.c:11003) 
[ 10.815006][ T254] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.815232][ T254] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.815472][ T254] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.815742][ T254] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.816013][ T254] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.816288][ T254] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.816571][ T254] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.816837][ T254] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.817111][ T254] devlink_reload (net/devlink/dev.c:474) 
[ 10.817331][ T254] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.817552][ T254] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.817773][ T254] ? cap_capable (security/commoncap.c:131) 
[ 10.817986][ T254] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.818162][ T254] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.818380][ T254] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.818653][ T254] ? __nla_parse (lib/nlattr.c:732) 
[ 10.818877][ T254] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.819094][ T254] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.819379][ T254] ? cap_capable (security/commoncap.c:131) 
[ 10.819606][ T254] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.819825][ T254] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.820040][ T254] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.820253][ T254] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.820525][ T254] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.820781][ T254] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.821053][ T254] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.821275][ T254] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.821500][ T254] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.821718][ T254] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.821944][ T254] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.822113][ T254] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.822326][ T254] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.822558][ T254] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.822729][ T254] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.822948][ T254] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.823176][ T254] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.823406][ T254] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.823648][ T254] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.823856][ T254] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.824074][ T254] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.824297][ T254] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.824539][ T254] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.824744][ T254] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.824955][ T254] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.825183][ T254] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.825409][ T254] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.825668][ T254] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.825931][ T254] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.826154][ T254] __x64_sys_sendto (net/socket.c:2181) 
[ 10.826368][ T254] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.826636][ T254] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.826858][ T254] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.827115][  T254] RIP: 0033:0x7f22cf67ba4a
[ 10.827331][ T254] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.828034][  T254] RSP: 002b:00007ffd41404098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.828343][  T254] RAX: ffffffffffffffda RBX: 000000000e61db00 RCX: 00007f22cf67ba4a
[   10.828657][  T254] RDX: 0000000000000040 RSI: 000000000e61db00 RDI: 0000000000000005
[   10.828967][  T254] RBP: 000000000e61d910 R08: 00007f22cf81f200 R09: 000000000000000c
[   10.829342][  T254] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.829661][  T254] R13: 000000000e61d910 R14: 0000000000000000 R15: 0000000000000001
| [   11.788610][  T283] ------------[ cut here ]------------
| [ 11.788880][ T283] WARNING: CPU: 1 PID: 283 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) 
| [   11.789278][  T283] Modules linked in: netdevsim
| [   11.789852][  T283] Tainted: [W]=WARN
[   11.790004][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.790241][ T283] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.790496][ T283] 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
[   11.791154][  T283] RSP: 0018:ffffc900006271e8 EFLAGS: 00010246
[   11.791391][  T283] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.791683][  T283] RDX: 0000000000000000 RSI: ffff888008da2c98 RDI: ffff8880052e2dc0
[   11.791969][  T283] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   11.792251][  T283] R10: ffffffffa97ec1e7 R11: ffff8880052e2300 R12: 0000000000000000
[   11.792557][  T283] R13: ffff888008da2128 R14: ffff888008da2008 R15: ffff888008da2000
[   11.792843][  T283] FS:  00007f1b9d0ba800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   11.793173][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.793438][  T283] CR2: 000056011a6c0dec CR3: 000000000202c006 CR4: 0000000000772ef0
[   11.793728][  T283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.794012][  T283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.794291][  T283] PKRU: 55555554
[   11.794470][  T283] Call Trace:
[   11.794614][  T283]  <TASK>
[ 11.794715][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.794906][ T283] ? __warn (kernel/panic.c:748) 
[ 11.795055][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.795247][ T283] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.795461][ T283] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.795611][ T283] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.795802][ T283] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.796006][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.796196][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.796391][ T283] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.796660][ T283] ? _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) 
[ 11.796858][ T283] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.797050][ T283] register_netdevice (net/core/dev.c:11003) 
[ 11.797244][ T283] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.797470][ T283] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.797686][ T283] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.797933][ T283] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.798187][ T283] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.798450][ T283] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.798696][ T283] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.798940][ T283] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.799191][ T283] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 11.799387][ T283] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 11.799653][ T283] devlink_reload (net/devlink/dev.c:474) 
[ 11.799852][ T283] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.800049][ T283] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 11.800297][ T283] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.800504][ T283] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.800764][ T283] ? __nla_parse (lib/nlattr.c:732) 
[ 11.800969][ T283] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.801169][ T283] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.801447][ T283] ? cap_capable (security/commoncap.c:131) 
[ 11.801642][ T283] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.801843][ T283] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.802037][ T283] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.802228][ T283] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.802475][ T283] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.802711][ T283] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.802961][ T283] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.803154][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.803344][ T283] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.803546][ T283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.803755][ T283] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.803904][ T283] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.804098][ T283] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.804297][ T283] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.804453][ T283] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.804653][ T283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.804846][ T283] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.805043][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.805238][ T283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.805450][ T283] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.805645][ T283] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.805849][ T283] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.806052][ T283] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.806261][ T283] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.806470][ T283] ? __sys_recvmsg (net/socket.c:2859) 
[ 11.806668][ T283] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 11.806871][ T283] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 11.807070][ T283] __x64_sys_sendto (net/socket.c:2181) 
[ 11.807260][ T283] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.807516][ T283] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.807709][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.807948][  T283] RIP: 0033:0x7f1b9d2c6a4a
[ 11.808146][ T283] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   11.808822][  T283] RSP: 002b:00007ffd2c324f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.809111][  T283] RAX: ffffffffffffffda RBX: 0000000000830b00 RCX: 00007f1b9d2c6a4a
[   11.809429][  T283] RDX: 0000000000000038 RSI: 0000000000830b00 RDI: 0000000000000005
[   11.809727][  T283] RBP: 0000000000830910 R08: 00007f1b9d46a200 R09: 000000000000000c
[   11.810010][  T283] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.810290][  T283] R13: 0000000000830910 R14: 0000000000000000 R15: 0000000000000003
| [   12.370664][  T293] ------------[ cut here ]------------
| [ 12.370943][ T293] WARNING: CPU: 0 PID: 293 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) 
| [   12.371354][  T293] Modules linked in: netdevsim
| [   12.371913][  T293] Tainted: [W]=WARN
[   12.372059][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.372299][ T293] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.372568][ T293] 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
[   12.373230][  T293] RSP: 0018:ffffc900006a71e8 EFLAGS: 00010246
[   12.373481][  T293] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.373758][  T293] RDX: 0000000000000000 RSI: ffff88800a992c98 RDI: ffff8880051d8b00
[   12.374037][  T293] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   12.374315][  T293] R10: ffffffffa97ec1e7 R11: ffff8880051d8040 R12: 0000000000000000
[   12.374624][  T293] R13: ffff88800a992128 R14: ffff88800a992008 R15: ffff88800a992000
[   12.374910][  T293] FS:  00007f5b0348b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   12.375233][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.375484][  T293] CR2: 00007f97606c2000 CR3: 0000000009a76004 CR4: 0000000000772ef0
[   12.375766][  T293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.376046][  T293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.376347][  T293] PKRU: 55555554
[   12.376504][  T293] Call Trace:
[   12.376647][  T293]  <TASK>
[ 12.376747][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.376940][ T293] ? __warn (kernel/panic.c:748) 
[ 12.377089][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.377279][ T293] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.377497][ T293] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.377661][ T293] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.377851][ T293] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.378059][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.378254][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.378481][ T293] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.378723][ T293] ? _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) 
[ 12.378922][ T293] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.379123][ T293] register_netdevice (net/core/dev.c:11003) 
[ 12.379332][ T293] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.379549][ T293] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.379758][ T293] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.380005][ T293] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.380256][ T293] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.380517][ T293] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.380761][ T293] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.381006][ T293] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.381245][ T293] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 12.381443][ T293] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 12.381692][ T293] devlink_reload (net/devlink/dev.c:474) 
[ 12.381890][ T293] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.382082][ T293] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 12.382356][ T293] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.382575][ T293] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.382814][ T293] ? __nla_parse (lib/nlattr.c:732) 
[ 12.383015][ T293] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.383209][ T293] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.383467][ T293] ? cap_capable (security/commoncap.c:131) 
[ 12.383663][ T293] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.383861][ T293] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.384056][ T293] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.384250][ T293] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.384495][ T293] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.384729][ T293] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.384975][ T293] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.385172][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.385359][ T293] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.385562][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.385766][ T293] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.385914][ T293] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.386107][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.386302][ T293] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.386474][ T293] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.386667][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.386858][ T293] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.387056][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.387249][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.387450][ T293] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.387642][ T293] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.387840][ T293] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.388037][ T293] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.388237][ T293] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 12.388442][ T293] ? __sys_recvmsg (net/socket.c:2859) 
[ 12.388632][ T293] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 12.388835][ T293] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 12.389033][ T293] __x64_sys_sendto (net/socket.c:2181) 
[ 12.389228][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.389476][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.389668][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.389902][  T293] RIP: 0033:0x7f5b03697a4a
[ 12.390096][ T293] 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
[   12.390767][  T293] RSP: 002b:00007ffecec2c818 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.391055][  T293] RAX: ffffffffffffffda RBX: 00000000341a1b00 RCX: 00007f5b03697a4a
[   12.391332][  T293] RDX: 0000000000000038 RSI: 00000000341a1b00 RDI: 0000000000000005
[   12.391620][  T293] RBP: 00000000341a1910 R08: 00007f5b0383b200 R09: 000000000000000c
[   12.391898][  T293] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.392179][  T293] R13: 00000000341a1910 R14: 0000000000000000 R15: 0000000000000003
| [   13.909617][  T338] ------------[ cut here ]------------
| [ 13.909911][ T338] WARNING: CPU: 2 PID: 338 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   13.910320][  T338] Modules linked in: netdevsim
| [   13.910974][  T338] Tainted: [W]=WARN
[   13.911139][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.911420][ T338] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.911692][ T338] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   13.912389][  T338] RSP: 0018:ffffc900008e71e8 EFLAGS: 00010246
[   13.912671][  T338] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.912976][  T338] RDX: 0000000000000000 RSI: ffff888009adac98 RDI: ffff888008055080
[   13.913281][  T338] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   13.913609][  T338] R10: ffffffffa97ec1e7 R11: ffff8880080545c0 R12: 0000000000000000
[   13.913915][  T338] R13: ffff888009ada128 R14: ffff888009ada008 R15: ffff888009ada000
[   13.914221][  T338] FS:  00007facf7ea2800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   13.914589][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.914858][  T338] CR2: 00007facf8252200 CR3: 0000000009c54001 CR4: 0000000000772ef0
[   13.915162][  T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.915478][  T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.915780][  T338] PKRU: 55555554
[   13.915943][  T338] Call Trace:
[   13.916105][  T338]  <TASK>
[ 13.916220][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.916455][ T338] ? __warn (kernel/panic.c:748) 
[ 13.916624][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.916838][ T338] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.917063][ T338] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.917231][ T338] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.917540][ T338] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.917767][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.917981][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.918199][ T338] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.918475][ T338] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 13.918694][ T338] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.918908][ T338] register_netdevice (net/core/dev.c:11003) 
[ 13.919122][ T338] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.919362][ T338] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.919605][ T338] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.919874][ T338] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.920150][ T338] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.920455][ T338] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.920725][ T338] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.921003][ T338] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.921265][ T338] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.921490][ T338] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.921764][ T338] devlink_reload (net/devlink/dev.c:474) 
[ 13.921983][ T338] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.922201][ T338] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.922483][ T338] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.922703][ T338] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.922968][ T338] ? __nla_parse (lib/nlattr.c:732) 
[ 13.923193][ T338] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.923431][ T338] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.923703][ T338] ? cap_capable (security/commoncap.c:131) 
[ 13.923917][ T338] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.924137][ T338] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.924360][ T338] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.924600][ T338] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.924861][ T338] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.925118][ T338] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.925388][ T338] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.925615][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.925829][ T338] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.926042][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.926270][ T338] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.926444][ T338] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.926683][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.926913][ T338] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.927078][ T338] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.927292][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.927519][ T338] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.927737][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.927952][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.928160][ T338] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.928389][ T338] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.928643][ T338] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.928861][ T338] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.929074][ T338] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 13.929294][ T338] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 13.929537][ T338] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.929749][ T338] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.929976][ T338] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.930198][ T338] __x64_sys_sendto (net/socket.c:2181) 
[ 13.930422][ T338] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.930684][ T338] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.930900][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.931154][  T338] RIP: 0033:0x7facf80aea4a
[ 13.931370][ T338] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   13.932070][  T338] RSP: 002b:00007ffe4107bc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.932374][  T338] RAX: ffffffffffffffda RBX: 000000002702ab00 RCX: 00007facf80aea4a
[   13.932701][  T338] RDX: 0000000000000038 RSI: 000000002702ab00 RDI: 0000000000000005
[   13.933014][  T338] RBP: 000000002702a910 R08: 00007facf8252200 R09: 000000000000000c
[   13.933312][  T338] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.933623][  T338] R13: 000000002702a910 R14: 0000000000000000 R15: 0000000000000003
| [   14.591224][  T349] ------------[ cut here ]------------
| [ 14.591579][ T349] WARNING: CPU: 2 PID: 349 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) 
| [   14.592012][  T349] Modules linked in: netdevsim
| [   14.592698][  T349] Tainted: [W]=WARN
[   14.592867][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.593121][ T349] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.593385][ T349] 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
[   14.594091][  T349] RSP: 0018:ffffc900009471e8 EFLAGS: 00010246
[   14.594354][  T349] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   14.594670][  T349] RDX: 0000000000000000 RSI: ffff888008e5ac98 RDI: ffff8880052e0b00
[   14.594970][  T349] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   14.595274][  T349] R10: ffffffffa97ec1e7 R11: ffff8880052e0040 R12: 0000000000000000
[   14.595606][  T349] R13: ffff888008e5a128 R14: ffff888008e5a008 R15: ffff888008e5a000
[   14.595909][  T349] FS:  00007ff34d932800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   14.596256][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.596528][  T349] CR2: 00007fbd6ae5b000 CR3: 000000000896a002 CR4: 0000000000772ef0
[   14.596837][  T349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.597137][  T349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.597449][  T349] PKRU: 55555554
[   14.597784][  T349] Call Trace:
[   14.597947][  T349]  <TASK>
[ 14.598062][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.598281][ T349] ? __warn (kernel/panic.c:748) 
[ 14.598465][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.598675][ T349] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 14.598893][ T349] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 14.599059][ T349] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 14.599282][ T349] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 14.599535][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.599749][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 14.599970][ T349] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 14.600239][ T349] ? _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) 
[ 14.600471][ T349] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 14.600688][ T349] register_netdevice (net/core/dev.c:11003) 
[ 14.600900][ T349] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 14.601122][ T349] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 14.601354][ T349] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 14.601632][ T349] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 14.601903][ T349] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 14.602173][ T349] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 14.602449][ T349] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 14.602716][ T349] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 14.602979][ T349] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 14.603188][ T349] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 14.603488][ T349] devlink_reload (net/devlink/dev.c:474) 
[ 14.603707][ T349] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 14.603918][ T349] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 14.604184][ T349] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 14.604414][ T349] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.604676][ T349] ? __nla_parse (lib/nlattr.c:732) 
[ 14.604894][ T349] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 14.605106][ T349] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 14.605374][ T349] ? cap_capable (security/commoncap.c:131) 
[ 14.605596][ T349] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 14.605812][ T349] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 14.606031][ T349] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 14.606242][ T349] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 14.606509][ T349] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.606763][ T349] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 14.607032][ T349] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 14.607244][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 14.607491][ T349] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 14.607712][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 14.607940][ T349] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 14.608105][ T349] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 14.608320][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 14.608552][ T349] genl_rcv (net/netlink/genetlink.c:1220) 
[ 14.608718][ T349] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 14.608932][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 14.609150][ T349] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 14.609385][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 14.609615][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 14.609824][ T349] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 14.610036][ T349] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 14.610259][ T349] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 14.610487][ T349] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 14.610716][ T349] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 14.610935][ T349] ? __sys_recvmsg (net/socket.c:2859) 
[ 14.611146][ T349] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 14.611367][ T349] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 14.611617][ T349] __x64_sys_sendto (net/socket.c:2181) 
[ 14.611832][ T349] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 14.612090][ T349] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 14.612303][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.612580][  T349] RIP: 0033:0x7ff34db3ea4a
[ 14.612796][ T349] 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
[   14.613496][  T349] RSP: 002b:00007ffda47709c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.613814][  T349] RAX: ffffffffffffffda RBX: 0000000002accb00 RCX: 00007ff34db3ea4a
[   14.614121][  T349] RDX: 0000000000000038 RSI: 0000000002accb00 RDI: 0000000000000005
[   14.614437][  T349] RBP: 0000000002acc910 R08: 00007ff34dce2200 R09: 000000000000000c
[   14.614742][  T349] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   14.615049][  T349] R13: 0000000002acc910 R14: 0000000000000000 R15: 0000000000000003
| [   16.570766][  T410] ------------[ cut here ]------------
| [ 16.571099][ T410] WARNING: CPU: 3 PID: 410 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   16.571499][  T410] Modules linked in: netdevsim
| [   16.572031][  T410] Tainted: [W]=WARN
[   16.572179][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.572435][ T410] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.572678][ T410] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   16.573340][  T410] RSP: 0018:ffffc90000c271e8 EFLAGS: 00010246
[   16.573596][  T410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.573879][  T410] RDX: 0000000000000000 RSI: ffff88800b762c98 RDI: ffff888008055080
[   16.574157][  T410] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   16.574443][  T410] R10: ffffffffa97ec1e7 R11: ffff8880080545c0 R12: 0000000000000000
[   16.574725][  T410] R13: ffff88800b762128 R14: ffff88800b762008 R15: ffff88800b762000
[   16.575005][  T410] FS:  00007f855b786800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   16.575326][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.575572][  T410] CR2: 00007fbec46b07d0 CR3: 000000000b4c8002 CR4: 0000000000772ef0
[   16.575857][  T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.576135][  T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.576452][  T410] PKRU: 55555554
[   16.576598][  T410] Call Trace:
[   16.576747][  T410]  <TASK>
[ 16.576845][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.577039][ T410] ? __warn (kernel/panic.c:748) 
[ 16.577283][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.577492][ T410] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.577690][ T410] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.577839][ T410] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.578031][ T410] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.578237][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.578438][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.578638][ T410] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.578880][ T410] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 16.579076][ T410] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.579308][ T410] register_netdevice (net/core/dev.c:11003) 
[ 16.579512][ T410] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.579716][ T410] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.579924][ T410] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.580171][ T410] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.580431][ T410] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.580682][ T410] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.580925][ T410] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.581165][ T410] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.581418][ T410] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.581611][ T410] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.581861][ T410] devlink_reload (net/devlink/dev.c:474) 
[ 16.582057][ T410] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.582248][ T410] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.582502][ T410] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.582701][ T410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.582937][ T410] ? __nla_parse (lib/nlattr.c:732) 
[ 16.583139][ T410] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.583337][ T410] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.583601][ T410] ? cap_capable (security/commoncap.c:131) 
[ 16.583900][ T410] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.584098][ T410] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.584291][ T410] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.584491][ T410] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.584727][ T410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.584964][ T410] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.585218][ T410] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.585421][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.585612][ T410] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.585807][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.586010][ T410] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.586156][ T410] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.586352][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.586564][ T410] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.586711][ T410] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.586907][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.587098][ T410] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.587297][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.587500][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.587689][ T410] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.587884][ T410] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.588083][ T410] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.588277][ T410] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.588485][ T410] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.588682][ T410] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.588874][ T410] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.589071][ T410] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.589279][ T410] __x64_sys_sendto (net/socket.c:2181) 
[ 16.589476][ T410] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.589710][ T410] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.589901][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.590139][  T410] RIP: 0033:0x7f855b992a4a
[ 16.590336][ T410] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   16.591022][  T410] RSP: 002b:00007fffd32beba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.591313][  T410] RAX: ffffffffffffffda RBX: 000000003c0b8b00 RCX: 00007f855b992a4a
[   16.591599][  T410] RDX: 0000000000000038 RSI: 000000003c0b8b00 RDI: 0000000000000005
[   16.591878][  T410] RBP: 000000003c0b8910 R08: 00007f855bb36200 R09: 000000000000000c
[   16.592163][  T410] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.592450][  T410] R13: 000000003c0b8910 R14: 0000000000000000 R15: 0000000000000003
| [   17.273902][  T421] ------------[ cut here ]------------
| [ 17.274159][ T421] WARNING: CPU: 3 PID: 421 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) 
| [   17.274587][  T421] Modules linked in: netdevsim
| [   17.275158][  T421] Tainted: [W]=WARN
[   17.275316][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.275560][ T421] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.275818][ T421] 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
[   17.276534][  T421] RSP: 0018:ffffc90000ca71e8 EFLAGS: 00010246
[   17.276783][  T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   17.277070][  T421] RDX: 0000000000000000 RSI: ffff888009f0ac98 RDI: ffff8880052e0b00
[   17.277368][  T421] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   17.277658][  T421] R10: ffffffffa97ec1e7 R11: ffff8880052e0040 R12: 0000000000000000
[   17.277946][  T421] R13: ffff888009f0a128 R14: ffff888009f0a008 R15: ffff888009f0a000
[   17.278245][  T421] FS:  00007f9c3e229800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   17.278577][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.278825][  T421] CR2: 00007f9c3e5d9200 CR3: 000000000dc68004 CR4: 0000000000772ef0
[   17.279126][  T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   17.279427][  T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   17.279718][  T421] PKRU: 55555554
[   17.279868][  T421] Call Trace:
[   17.280024][  T421]  <TASK>
[ 17.280123][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.280311][ T421] ? __warn (kernel/panic.c:748) 
[ 17.280465][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.280662][ T421] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 17.280860][ T421] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 17.281005][ T421] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 17.281192][ T421] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 17.281409][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.281603][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 17.281797][ T421] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 17.282040][ T421] ? _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) 
[ 17.282236][ T421] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 17.282440][ T421] register_netdevice (net/core/dev.c:11003) 
[ 17.282636][ T421] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 17.282839][ T421] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 17.283045][ T421] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 17.283293][ T421] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 17.283556][ T421] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 17.283805][ T421] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 17.284048][ T421] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 17.284288][ T421] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 17.284535][ T421] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 17.284730][ T421] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 17.284978][ T421] devlink_reload (net/devlink/dev.c:474) 
[ 17.285173][ T421] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 17.285363][ T421] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 17.285614][ T421] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 17.285817][ T421] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.286054][ T421] ? __nla_parse (lib/nlattr.c:732) 
[ 17.286254][ T421] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 17.286466][ T421] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 17.286715][ T421] ? cap_capable (security/commoncap.c:131) 
[ 17.286901][ T421] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 17.287097][ T421] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 17.287291][ T421] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 17.287491][ T421] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 17.287727][ T421] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.287959][ T421] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 17.288205][ T421] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 17.288409][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 17.288599][ T421] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 17.288791][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 17.288999][ T421] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 17.289143][ T421] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 17.289347][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 17.289561][ T421] genl_rcv (net/netlink/genetlink.c:1220) 
[ 17.289706][ T421] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 17.289901][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 17.290093][ T421] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 17.290295][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 17.290500][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 17.290693][ T421] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 17.290884][ T421] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 17.291082][ T421] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 17.291278][ T421] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 17.291485][ T421] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 17.291685][ T421] ? __sys_recvmsg (net/socket.c:2859) 
[ 17.291876][ T421] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 17.292077][ T421] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 17.292274][ T421] __x64_sys_sendto (net/socket.c:2181) 
[ 17.292470][ T421] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 17.292704][ T421] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 17.292897][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.293145][  T421] RIP: 0033:0x7f9c3e435a4a
[ 17.293361][ T421] 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
[   17.294087][  T421] RSP: 002b:00007ffdf9ac7e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   17.294417][  T421] RAX: ffffffffffffffda RBX: 000000003b4afb00 RCX: 00007f9c3e435a4a
[   17.294728][  T421] RDX: 0000000000000038 RSI: 000000003b4afb00 RDI: 0000000000000005
[   17.295029][  T421] RBP: 000000003b4af910 R08: 00007f9c3e5d9200 R09: 000000000000000c
[   17.295334][  T421] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   17.295650][  T421] R13: 000000003b4af910 R14: 0000000000000000 R15: 0000000000000003
| [   18.393852][  T453] ------------[ cut here ]------------
| [ 18.394097][ T453] WARNING: CPU: 0 PID: 453 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   18.394493][  T453] Modules linked in: netdevsim
| [   18.395028][  T453] Tainted: [W]=WARN
[   18.395176][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.395429][ T453] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.395675][ T453] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   18.396340][  T453] RSP: 0018:ffffc90000db71e8 EFLAGS: 00010246
[   18.396590][  T453] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.396872][  T453] RDX: 0000000000000000 RSI: ffff888008da2c98 RDI: ffff88800aab2dc0
[   18.397153][  T453] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   18.397440][  T453] R10: ffffffffa97ec1e7 R11: ffff88800aab2300 R12: 0000000000000000
[   18.397720][  T453] R13: ffff888008da2128 R14: ffff888008da2008 R15: ffff888008da2000
[   18.397999][  T453] FS:  00007fa741098800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   18.398325][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.398583][  T453] CR2: 00007fbec46b07d0 CR3: 000000000b93e004 CR4: 0000000000772ef0
[   18.398868][  T453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.399157][  T453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.399448][  T453] PKRU: 55555554
[   18.399592][  T453] Call Trace:
[   18.399737][  T453]  <TASK>
[ 18.399835][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.400024][ T453] ? __warn (kernel/panic.c:748) 
[ 18.400173][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.400365][ T453] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.400570][ T453] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.400718][ T453] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.400909][ T453] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.401113][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.401304][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.401513][ T453] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.401758][ T453] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 18.401955][ T453] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.402149][ T453] register_netdevice (net/core/dev.c:11003) 
[ 18.402347][ T453] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.402560][ T453] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.402769][ T453] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.403016][ T453] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.403271][ T453] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.403529][ T453] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.403776][ T453] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.404025][ T453] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.404265][ T453] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.404461][ T453] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.404713][ T453] devlink_reload (net/devlink/dev.c:474) 
[ 18.404910][ T453] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.405102][ T453] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.405454][ T453] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.405651][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.405890][ T453] ? __nla_parse (lib/nlattr.c:732) 
[ 18.406092][ T453] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.406285][ T453] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.406556][ T453] ? cap_capable (security/commoncap.c:131) 
[ 18.406753][ T453] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.406951][ T453] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.407143][ T453] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.407334][ T453] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.407586][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.407823][ T453] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.408074][ T453] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.408266][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.408468][ T453] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.408662][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.408865][ T453] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.409015][ T453] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.409223][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.409433][ T453] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.409578][ T453] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.409770][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.409959][ T453] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.410155][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.410358][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.410561][ T453] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.410755][ T453] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.410956][ T453] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.411154][ T453] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.411353][ T453] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.411558][ T453] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.411752][ T453] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.411954][ T453] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.412150][ T453] __x64_sys_sendto (net/socket.c:2181) 
[ 18.412343][ T453] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.412589][ T453] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.412782][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.413019][  T453] RIP: 0033:0x7fa7412a4a4a
[ 18.413216][ T453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   18.413883][  T453] RSP: 002b:00007ffcf5df5de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.414183][  T453] RAX: ffffffffffffffda RBX: 000000000757eb00 RCX: 00007fa7412a4a4a
[   18.414468][  T453] RDX: 0000000000000038 RSI: 000000000757eb00 RDI: 0000000000000005
[   18.414748][  T453] RBP: 000000000757e910 R08: 00007fa741448200 R09: 000000000000000c
[   18.415025][  T453] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.415308][  T453] R13: 000000000757e910 R14: 0000000000000000 R15: 0000000000000003
| [   19.349027][  T469] ------------[ cut here ]------------
| [ 19.349438][ T469] WARNING: CPU: 2 PID: 469 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   19.349843][  T469] Modules linked in: netdevsim
| [   19.350428][  T469] Tainted: [W]=WARN
[   19.350593][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.350845][ T469] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.351100][ T469] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   19.351850][  T469] RSP: 0018:ffffc90000e271e8 EFLAGS: 00010246
[   19.352106][  T469] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   19.352415][  T469] RDX: 0000000000000000 RSI: ffff88800a992c98 RDI: ffff888008055080
[   19.352722][  T469] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[   19.353025][  T469] R10: ffffffffa97ec1e7 R11: ffff8880080545c0 R12: 0000000000000000
[   19.353321][  T469] R13: ffff88800a992128 R14: ffff88800a992008 R15: ffff88800a992000
[   19.353631][  T469] FS:  00007f0fff82c800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   19.353971][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.354222][  T469] CR2: 00007f313b326000 CR3: 0000000009b00004 CR4: 0000000000772ef0
[   19.354527][  T469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   19.354822][  T469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   19.355117][  T469] PKRU: 55555554
[   19.355273][  T469] Call Trace:
[   19.355444][  T469]  <TASK>
[ 19.355556][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.355766][ T469] ? __warn (kernel/panic.c:748) 
[ 19.355932][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.356136][ T469] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 19.356349][ T469] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 19.356523][ T469] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 19.356728][ T469] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 19.356945][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.357152][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 19.357367][ T469] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 19.357637][ T469] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 19.357851][ T469] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 19.358060][ T469] register_netdevice (net/core/dev.c:11003) 
[ 19.358297][ T469] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 19.358528][ T469] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 19.358757][ T469] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 19.359014][ T469] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 19.359315][ T469] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 19.359607][ T469] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 19.359875][ T469] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 19.360150][ T469] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 19.360421][ T469] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 19.360628][ T469] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 19.360892][ T469] devlink_reload (net/devlink/dev.c:474) 
[ 19.361116][ T469] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 19.361324][ T469] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 19.361601][ T469] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 19.361809][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.362059][ T469] ? __nla_parse (lib/nlattr.c:732) 
[ 19.362288][ T469] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 19.362511][ T469] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 19.362775][ T469] ? cap_capable (security/commoncap.c:131) 
[ 19.362981][ T469] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 19.363229][ T469] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 19.363461][ T469] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 19.363666][ T469] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 19.363912][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.364170][ T469] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 19.364448][ T469] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 19.364654][ T469] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 19.364863][ T469] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 19.365102][ T469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 19.365321][ T469] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 19.365494][ T469] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 19.365700][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 19.365914][ T469] genl_rcv (net/netlink/genetlink.c:1220) 
[ 19.366070][ T469] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 19.366300][ T469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 19.366522][ T469] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 19.366738][ T469] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 19.366947][ T469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 19.367156][ T469] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 19.367371][ T469] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 19.367601][ T469] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 19.367814][ T469] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 19.368024][ T469] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 19.368241][ T469] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 19.368477][ T469] ? __sys_recvmsg (net/socket.c:2859) 
[ 19.368684][ T469] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 19.368900][ T469] __x64_sys_sendto (net/socket.c:2181) 
[ 19.369120][ T469] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 19.369460][ T469] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 19.369734][ T469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.370091][  T469] RIP: 0033:0x7f0fffa38a4a
[ 19.370464][ T469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   19.371158][  T469] RSP: 002b:00007ffcec4dd768 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   19.371502][  T469] RAX: ffffffffffffffda RBX: 000000003d03eb00 RCX: 00007f0fffa38a4a
[   19.371800][  T469] RDX: 0000000000000038 RSI: 000000003d03eb00 RDI: 0000000000000005
[   19.372110][  T469] RBP: 000000003d03e910 R08: 00007f0fffbdc200 R09: 000000000000000c
[   19.372427][  T469] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   19.372752][  T469] R13: 000000003d03e910 R14: 0000000000000000 R15: 0000000000000003
| [  292.007767][  T981] ------------[ cut here ]------------
| [ 292.008123][ T981] WARNING: CPU: 2 PID: 981 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  292.008638][  T981] Modules linked in: netdevsim
| [  292.009323][  T981] Tainted: [W]=WARN
[  292.009682][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 292.010077][ T981] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.010472][ T981] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  292.011274][  T981] RSP: 0018:ffffc90001ed71e8 EFLAGS: 00010246
[  292.011609][  T981] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  292.011955][  T981] RDX: 0000000000000000 RSI: ffff888009adac98 RDI: ffff888008775080
[  292.012320][  T981] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  292.012746][  T981] R10: ffffffffa97ec1e7 R11: ffff8880087745c0 R12: 0000000000000000
[  292.013080][  T981] R13: ffff888009ada128 R14: ffff888009ada008 R15: ffff888009ada000
[  292.013477][  T981] FS:  00007fc60a760800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  292.013957][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  292.014266][  T981] CR2: 00007fc60ab10200 CR3: 0000000008cf6002 CR4: 0000000000772ef0
[  292.014675][  T981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  292.015025][  T981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  292.015373][  T981] PKRU: 55555554
[  292.015593][  T981] Call Trace:
[  292.015770][  T981]  <TASK>
[ 292.015897][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.016148][ T981] ? __warn (kernel/panic.c:748) 
[ 292.016339][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.016628][ T981] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 292.016873][ T981] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 292.017072][ T981] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 292.017297][ T981] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 292.017578][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.017848][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 292.018090][ T981] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 292.018380][ T981] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 292.018683][ T981] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 292.018923][ T981] register_netdevice (net/core/dev.c:11003) 
[ 292.019166][ T981] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 292.019424][ T981] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 292.019680][ T981] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 292.019980][ T981] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 292.020305][ T981] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 292.020707][ T981] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 292.021017][ T981] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 292.021310][ T981] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 292.021619][ T981] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 292.021855][ T981] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 292.022157][ T981] devlink_reload (net/devlink/dev.c:474) 
[ 292.022419][ T981] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 292.022657][ T981] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 292.022950][ T981] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 292.023190][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.023493][ T981] ? __nla_parse (lib/nlattr.c:732) 
[ 292.023757][ T981] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 292.023998][ T981] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 292.024304][ T981] ? cap_capable (security/commoncap.c:131) 
[ 292.024603][ T981] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 292.024856][ T981] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 292.025097][ T981] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 292.025328][ T981] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 292.025640][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.025919][ T981] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 292.026241][ T981] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 292.026493][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 292.026744][ T981] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 292.026976][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 292.027224][ T981] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 292.027417][ T981] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 292.027654][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 292.027917][ T981] genl_rcv (net/netlink/genetlink.c:1220) 
[ 292.028103][ T981] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 292.028338][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 292.028647][ T981] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 292.028932][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 292.029228][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 292.029491][ T981] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 292.029738][ T981] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 292.030000][ T981] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 292.030438][ T981] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 292.030681][ T981] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 292.030915][ T981] ? __sys_recvmsg (net/socket.c:2859) 
[ 292.031142][ T981] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 292.031392][ T981] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 292.031667][ T981] __x64_sys_sendto (net/socket.c:2181) 
[ 292.031900][ T981] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 292.032189][ T981] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 292.032463][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  292.032813][  T981] RIP: 0033:0x7fc60a96ca4a
[ 292.033050][ T981] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  292.033859][  T981] RSP: 002b:00007fffcdb6d378 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.034189][  T981] RAX: ffffffffffffffda RBX: 000000001360db00 RCX: 00007fc60a96ca4a
[  292.034543][  T981] RDX: 0000000000000038 RSI: 000000001360db00 RDI: 0000000000000005
[  292.034866][  T981] RBP: 000000001360d910 R08: 00007fc60ab10200 R09: 000000000000000c
[  292.035195][  T981] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  292.035567][  T981] R13: 000000001360d910 R14: 0000000000000000 R15: 0000000000000003
| [  292.870186][  T995] ------------[ cut here ]------------
| [ 292.870495][ T995] WARNING: CPU: 2 PID: 995 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  292.870900][  T995] Modules linked in: netdevsim
| [  292.871572][  T995] Tainted: [W]=WARN
[  292.871770][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 292.872043][ T995] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.872337][ T995] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  292.873329][  T995] RSP: 0018:ffffc90001f471e8 EFLAGS: 00010246
[  292.873735][  T995] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  292.874063][  T995] RDX: 0000000000000000 RSI: ffff888008e5ac98 RDI: ffff888008ab0b00
[  292.874482][  T995] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  292.874879][  T995] R10: ffffffffa97ec1e7 R11: ffff888008ab0040 R12: 0000000000000000
[  292.875206][  T995] R13: ffff888008e5a128 R14: ffff888008e5a008 R15: ffff888008e5a000
[  292.875563][  T995] FS:  00007fdc51b89800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  292.875929][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  292.876352][  T995] CR2: 00007fdc51f39200 CR3: 000000000a86a006 CR4: 0000000000772ef0
[  292.876880][  T995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  292.877348][  T995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  292.877889][  T995] PKRU: 55555554
[  292.878154][  T995] Call Trace:
[  292.878434][  T995]  <TASK>
[ 292.878624][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.878969][ T995] ? __warn (kernel/panic.c:748) 
[ 292.879249][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.879621][ T995] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 292.879980][ T995] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 292.880247][ T995] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 292.880622][ T995] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 292.880999][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.881351][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 292.881746][ T995] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 292.882201][ T995] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 292.882596][ T995] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 292.882956][ T995] register_netdevice (net/core/dev.c:11003) 
[ 292.883213][ T995] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 292.883487][ T995] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 292.883728][ T995] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 292.884004][ T995] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 292.884293][ T995] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 292.884594][ T995] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 292.884872][ T995] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 292.885128][ T995] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 292.885437][ T995] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 292.885650][ T995] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 292.885927][ T995] devlink_reload (net/devlink/dev.c:474) 
[ 292.886136][ T995] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 292.886368][ T995] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 292.886651][ T995] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 292.886869][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.887131][ T995] ? __nla_parse (lib/nlattr.c:732) 
[ 292.887359][ T995] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 292.887741][ T995] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 292.888172][ T995] ? cap_capable (security/commoncap.c:131) 
[ 292.888416][ T995] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 292.888645][ T995] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 292.888861][ T995] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 292.889068][ T995] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 292.889324][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.889614][ T995] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 292.889887][ T995] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 292.890101][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 292.890313][ T995] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 292.890562][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 292.890784][ T995] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 292.890943][ T995] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 292.891152][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 292.891382][ T995] genl_rcv (net/netlink/genetlink.c:1220) 
[ 292.891565][ T995] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 292.891774][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 292.891990][ T995] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 292.892213][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 292.892448][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 292.892666][ T995] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 292.892874][ T995] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 292.893087][ T995] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 292.893308][ T995] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 292.893581][ T995] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 292.893805][ T995] ? __sys_recvmsg (net/socket.c:2859) 
[ 292.894017][ T995] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 292.894234][ T995] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 292.894477][ T995] __x64_sys_sendto (net/socket.c:2181) 
[ 292.894684][ T995] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 292.894940][ T995] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 292.895166][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  292.895511][  T995] RIP: 0033:0x7fdc51d95a4a
[ 292.895737][ T995] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  292.896489][  T995] RSP: 002b:00007ffdcdac6db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.896794][  T995] RAX: ffffffffffffffda RBX: 000000000d933b00 RCX: 00007fdc51d95a4a
[  292.897128][  T995] RDX: 0000000000000038 RSI: 000000000d933b00 RDI: 0000000000000005
[  292.897463][  T995] RBP: 000000000d933910 R08: 00007fdc51f39200 R09: 000000000000000c
[  292.897810][  T995] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  292.898126][  T995] R13: 000000000d933910 R14: 0000000000000000 R15: 0000000000000003
| [  294.249298][ T1026] ------------[ cut here ]------------
| [ 294.249735][ T1026] WARNING: CPU: 0 PID: 1026 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  294.250314][ T1026] Modules linked in: netdevsim
| [  294.251276][ T1026] Tainted: [W]=WARN
[  294.251458][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 294.251733][ T1026] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.252011][ T1026] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  294.252905][ T1026] RSP: 0018:ffffc900020971e8 EFLAGS: 00010246
[  294.253323][ T1026] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  294.253849][ T1026] RDX: 0000000000000000 RSI: ffff88800b762c98 RDI: ffff8880051d8b00
[  294.254380][ T1026] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  294.254881][ T1026] R10: ffffffffa97ec1e7 R11: ffff8880051d8040 R12: 0000000000000000
[  294.255422][ T1026] R13: ffff88800b762128 R14: ffff88800b762008 R15: ffff88800b762000
[  294.255931][ T1026] FS:  00007f5840e18800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  294.256555][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  294.256976][ T1026] CR2: 00007f58411c8200 CR3: 000000000beca001 CR4: 0000000000772ef0
[  294.257497][ T1026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  294.258007][ T1026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  294.258529][ T1026] PKRU: 55555554
[  294.258778][ T1026] Call Trace:
[  294.258972][ T1026]  <TASK>
[ 294.259085][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.259303][ T1026] ? __warn (kernel/panic.c:748) 
[ 294.259481][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.259695][ T1026] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 294.259914][ T1026] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 294.260087][ T1026] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 294.260383][ T1026] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 294.260804][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.261143][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 294.261514][ T1026] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 294.261803][ T1026] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 294.262024][ T1026] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 294.262242][ T1026] register_netdevice (net/core/dev.c:11003) 
[ 294.262479][ T1026] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 294.262754][ T1026] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 294.263095][ T1026] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 294.263586][ T1026] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 294.264046][ T1026] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 294.264564][ T1026] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 294.265007][ T1026] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 294.265428][ T1026] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 294.265698][ T1026] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 294.265913][ T1026] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 294.266193][ T1026] devlink_reload (net/devlink/dev.c:474) 
[ 294.266432][ T1026] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 294.266673][ T1026] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 294.266954][ T1026] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 294.267174][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.267457][ T1026] ? __nla_parse (lib/nlattr.c:732) 
[ 294.267736][ T1026] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 294.268052][ T1026] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 294.268551][ T1026] ? cap_capable (security/commoncap.c:131) 
[ 294.268885][ T1026] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 294.269178][ T1026] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 294.269414][ T1026] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 294.269628][ T1026] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 294.269891][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.270154][ T1026] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 294.270513][ T1026] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 294.270847][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 294.271178][ T1026] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 294.271535][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 294.271760][ T1026] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 294.271920][ T1026] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 294.272132][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 294.272373][ T1026] genl_rcv (net/netlink/genetlink.c:1220) 
[ 294.272575][ T1026] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 294.272793][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 294.273085][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 294.273449][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 294.273802][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 294.274133][ T1026] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 294.274429][ T1026] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 294.274685][ T1026] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 294.274896][ T1026] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 294.275112][ T1026] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 294.275444][ T1026] ? __sys_recvmsg (net/socket.c:2859) 
[ 294.275799][ T1026] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 294.276154][ T1026] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 294.276586][ T1026] __x64_sys_sendto (net/socket.c:2181) 
[ 294.276877][ T1026] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 294.277161][ T1026] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 294.277370][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  294.277629][ T1026] RIP: 0033:0x7f5841024a4a
[ 294.277918][ T1026] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  294.279088][ T1026] RSP: 002b:00007ffe74e09e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  294.279471][ T1026] RAX: ffffffffffffffda RBX: 000000000ca5bb00 RCX: 00007f5841024a4a
[  294.279765][ T1026] RDX: 0000000000000038 RSI: 000000000ca5bb00 RDI: 0000000000000005
[  294.280060][ T1026] RBP: 000000000ca5b910 R08: 00007f58411c8200 R09: 000000000000000c
[  294.280362][ T1026] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  294.280740][ T1026] R13: 000000000ca5b910 R14: 0000000000000000 R15: 0000000000000003
| [  295.540226][ T1044] ------------[ cut here ]------------
| [ 295.541035][ T1044] WARNING: CPU: 1 PID: 1044 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  295.541724][ T1044] Modules linked in: netdevsim
| [  295.542676][ T1044] Tainted: [W]=WARN
[  295.542934][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 295.543356][ T1044] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.543807][ T1044] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  295.545095][ T1044] RSP: 0018:ffffc900020f71e8 EFLAGS: 00010246
[  295.545553][ T1044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  295.546061][ T1044] RDX: 0000000000000000 RSI: ffff888009f0ac98 RDI: ffff88800a88adc0
[  295.546630][ T1044] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  295.547139][ T1044] R10: ffffffffa97ec1e7 R11: ffff88800a88a300 R12: 0000000000000000
[  295.547672][ T1044] R13: ffff888009f0a128 R14: ffff888009f0a008 R15: ffff888009f0a000
[  295.548184][ T1044] FS:  00007fd5c46c1800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  295.548786][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  295.549203][ T1044] CR2: 00007fd5c4a71200 CR3: 000000000beda003 CR4: 0000000000772ef0
[  295.549759][ T1044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  295.550252][ T1044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  295.550754][ T1044] PKRU: 55555554
[  295.551003][ T1044] Call Trace:
[  295.551252][ T1044]  <TASK>
[ 295.551440][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.551786][ T1044] ? __warn (kernel/panic.c:748) 
[ 295.552044][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.552383][ T1044] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 295.552743][ T1044] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 295.552995][ T1044] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 295.553317][ T1044] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 295.553697][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.554041][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 295.554389][ T1044] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 295.554820][ T1044] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 295.555197][ T1044] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 295.555564][ T1044] register_netdevice (net/core/dev.c:11003) 
[ 295.555910][ T1044] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 295.556268][ T1044] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 295.556666][ T1044] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 295.557114][ T1044] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 295.557586][ T1044] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 295.558052][ T1044] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 295.558505][ T1044] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 295.558951][ T1044] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 295.559354][ T1044] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 295.559700][ T1044] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 295.560148][ T1044] devlink_reload (net/devlink/dev.c:474) 
[ 295.560507][ T1044] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 295.560872][ T1044] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 295.561325][ T1044] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 295.561700][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.562121][ T1044] ? __nla_parse (lib/nlattr.c:732) 
[ 295.562494][ T1044] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 295.562820][ T1044] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 295.563253][ T1044] ? cap_capable (security/commoncap.c:131) 
[ 295.563589][ T1044] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 295.563928][ T1044] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 295.564264][ T1044] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 295.564617][ T1044] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 295.565033][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.565464][ T1044] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 295.565909][ T1044] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 295.566255][ T1044] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 295.566612][ T1044] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 295.566956][ T1044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 295.567330][ T1044] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 295.567592][ T1044] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 295.567924][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 295.568260][ T1044] genl_rcv (net/netlink/genetlink.c:1220) 
[ 295.568507][ T1044] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 295.568848][ T1044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 295.569175][ T1044] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 295.569558][ T1044] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 295.569896][ T1044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 295.570266][ T1044] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 295.570637][ T1044] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 295.570971][ T1044] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 295.571318][ T1044] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 295.571694][ T1044] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 295.572050][ T1044] ? __sys_recvmsg (net/socket.c:2859) 
[ 295.572428][ T1044] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 295.572770][ T1044] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 295.573104][ T1044] __x64_sys_sendto (net/socket.c:2181) 
[ 295.573481][ T1044] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 295.573879][ T1044] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 295.574204][ T1044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  295.574651][ T1044] RIP: 0033:0x7fd5c48cda4a
[ 295.574980][ T1044] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  295.576147][ T1044] RSP: 002b:00007ffeedec63e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  295.576675][ T1044] RAX: ffffffffffffffda RBX: 0000000039eeeb00 RCX: 00007fd5c48cda4a
[  295.577157][ T1044] RDX: 0000000000000038 RSI: 0000000039eeeb00 RDI: 0000000000000005
[  295.577652][ T1044] RBP: 0000000039eee910 R08: 00007fd5c4a71200 R09: 000000000000000c
[  295.578130][ T1044] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  295.578610][ T1044] R13: 0000000039eee910 R14: 0000000000000000 R15: 0000000000000003
| [  299.718575][ T1136] ------------[ cut here ]------------
| [ 299.718840][ T1136] WARNING: CPU: 3 PID: 1136 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  299.719290][ T1136] Modules linked in: netdevsim
| [  299.719996][ T1136] Tainted: [W]=WARN
[  299.720201][ T1136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 299.720630][ T1136] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.721070][ T1136] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  299.722260][ T1136] RSP: 0018:ffffc900023c71e8 EFLAGS: 00010246
[  299.722813][ T1136] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  299.723212][ T1136] RDX: 0000000000000000 RSI: ffff888008da2c98 RDI: ffff88800aa9d080
[  299.723618][ T1136] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  299.723955][ T1136] R10: ffffffffa97ec1e7 R11: ffff88800aa9c5c0 R12: 0000000000000000
[  299.724281][ T1136] R13: ffff888008da2128 R14: ffff888008da2008 R15: ffff888008da2000
[  299.724699][ T1136] FS:  00007f6dcfd2e800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  299.725099][ T1136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  299.725385][ T1136] CR2: 00007f6dd00de200 CR3: 000000000a9d2002 CR4: 0000000000772ef0
[  299.725768][ T1136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  299.726148][ T1136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  299.726576][ T1136] PKRU: 55555554
[  299.726812][ T1136] Call Trace:
[  299.727058][ T1136]  <TASK>
[ 299.727226][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.727578][ T1136] ? __warn (kernel/panic.c:748) 
[ 299.727848][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.728192][ T1136] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 299.728595][ T1136] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 299.728855][ T1136] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 299.729178][ T1136] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 299.729553][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.729891][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 299.730232][ T1136] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 299.730671][ T1136] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 299.730930][ T1136] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 299.731131][ T1136] register_netdevice (net/core/dev.c:11003) 
[ 299.731378][ T1136] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 299.731634][ T1136] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 299.731889][ T1136] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 299.732202][ T1136] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 299.732580][ T1136] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 299.732951][ T1136] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 299.733378][ T1136] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 299.733823][ T1136] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 299.734227][ T1136] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 299.734556][ T1136] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 299.735016][ T1136] devlink_reload (net/devlink/dev.c:474) 
[ 299.735358][ T1136] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 299.735670][ T1136] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 299.735942][ T1136] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 299.736145][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.736432][ T1136] ? __nla_parse (lib/nlattr.c:732) 
[ 299.736652][ T1136] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 299.736855][ T1136] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 299.737176][ T1136] ? cap_capable (security/commoncap.c:131) 
[ 299.737425][ T1136] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 299.737645][ T1136] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 299.737874][ T1136] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 299.738087][ T1136] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 299.738434][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.738823][ T1136] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 299.739126][ T1136] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 299.739377][ T1136] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 299.739601][ T1136] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 299.739872][ T1136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 299.740095][ T1136] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 299.740272][ T1136] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 299.740604][ T1136] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 299.740851][ T1136] genl_rcv (net/netlink/genetlink.c:1220) 
[ 299.741013][ T1136] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 299.741283][ T1136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 299.741534][ T1136] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 299.741822][ T1136] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 299.742031][ T1136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 299.742228][ T1136] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 299.742459][ T1136] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 299.742728][ T1136] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 299.742944][ T1136] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 299.743205][ T1136] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 299.743439][ T1136] ? __sys_recvmsg (net/socket.c:2859) 
[ 299.743777][ T1136] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 299.744002][ T1136] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 299.744257][ T1136] __x64_sys_sendto (net/socket.c:2181) 
[ 299.744496][ T1136] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 299.744799][ T1136] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 299.745000][ T1136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  299.745301][ T1136] RIP: 0033:0x7f6dcff3aa4a
[ 299.745574][ T1136] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  299.746365][ T1136] RSP: 002b:00007fffdd4b0688 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  299.746779][ T1136] RAX: ffffffffffffffda RBX: 000000001825cb00 RCX: 00007f6dcff3aa4a
[  299.747091][ T1136] RDX: 0000000000000038 RSI: 000000001825cb00 RDI: 0000000000000005
[  299.747479][ T1136] RBP: 000000001825c910 R08: 00007f6dd00de200 R09: 000000000000000c
[  299.747871][ T1136] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  299.748219][ T1136] R13: 000000001825c910 R14: 0000000000000000 R15: 0000000000000003
| [  300.934289][ T1150] ------------[ cut here ]------------
| [ 300.934634][ T1150] WARNING: CPU: 0 PID: 1150 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  300.935137][ T1150] Modules linked in: netdevsim
| [  300.935774][ T1150] Tainted: [W]=WARN
[  300.935963][ T1150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 300.936209][ T1150] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.936605][ T1150] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  300.937349][ T1150] RSP: 0018:ffffc900024371e8 EFLAGS: 00010246
[  300.937710][ T1150] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  300.938056][ T1150] RDX: 0000000000000000 RSI: ffff88800a992c98 RDI: ffff8880087ad080
[  300.938373][ T1150] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  300.938845][ T1150] R10: ffffffffa97ec1e7 R11: ffff8880087ac5c0 R12: 0000000000000000
[  300.939158][ T1150] R13: ffff88800a992128 R14: ffff88800a992008 R15: ffff88800a992000
[  300.939605][ T1150] FS:  00007fef2fc24800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  300.940070][ T1150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  300.940338][ T1150] CR2: 00007fef2ffd4200 CR3: 000000000d4c8005 CR4: 0000000000772ef0
[  300.940731][ T1150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  300.941049][ T1150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  300.941392][ T1150] PKRU: 55555554
[  300.941582][ T1150] Call Trace:
[  300.941743][ T1150]  <TASK>
[ 300.941882][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.942124][ T1150] ? __warn (kernel/panic.c:748) 
[ 300.942291][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.942517][ T1150] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 300.942745][ T1150] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 300.942921][ T1150] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 300.943121][ T1150] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 300.943366][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.943772][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 300.943997][ T1150] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 300.944291][ T1150] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 300.944624][ T1150] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 300.944854][ T1150] register_netdevice (net/core/dev.c:11003) 
[ 300.945128][ T1150] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 300.945329][ T1150] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 300.945622][ T1150] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 300.945896][ T1150] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 300.946215][ T1150] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 300.946548][ T1150] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 300.946914][ T1150] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 300.947174][ T1150] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 300.947469][ T1150] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 300.947713][ T1150] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 300.948075][ T1150] devlink_reload (net/devlink/dev.c:474) 
[ 300.948291][ T1150] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 300.948595][ T1150] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 300.948919][ T1150] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 300.949134][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.949445][ T1150] ? __nla_parse (lib/nlattr.c:732) 
[ 300.949667][ T1150] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 300.949946][ T1150] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 300.950331][ T1150] ? cap_capable (security/commoncap.c:131) 
[ 300.950580][ T1150] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 300.950798][ T1150] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 300.951026][ T1150] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 300.951281][ T1150] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 300.951569][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.951875][ T1150] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 300.952184][ T1150] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 300.952416][ T1150] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 300.952627][ T1150] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 300.952866][ T1150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 300.953135][ T1150] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 300.953286][ T1150] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 300.953579][ T1150] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 300.953816][ T1150] genl_rcv (net/netlink/genetlink.c:1220) 
[ 300.953977][ T1150] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 300.954209][ T1150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 300.954480][ T1150] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 300.954701][ T1150] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 300.954944][ T1150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 300.955204][ T1150] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 300.955508][ T1150] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 300.955740][ T1150] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 300.955994][ T1150] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 300.956210][ T1150] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 300.956448][ T1150] ? __sys_recvmsg (net/socket.c:2859) 
[ 300.956658][ T1150] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 300.956902][ T1150] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 300.957106][ T1150] __x64_sys_sendto (net/socket.c:2181) 
[ 300.957299][ T1150] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 300.957569][ T1150] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 300.957805][ T1150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  300.958052][ T1150] RIP: 0033:0x7fef2fe30a4a
[ 300.958270][ T1150] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  300.958985][ T1150] RSP: 002b:00007ffe0f8d43a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  300.959287][ T1150] RAX: ffffffffffffffda RBX: 0000000016ee2b00 RCX: 00007fef2fe30a4a
[  300.959636][ T1150] RDX: 0000000000000038 RSI: 0000000016ee2b00 RDI: 0000000000000005
[  300.959942][ T1150] RBP: 0000000016ee2910 R08: 00007fef2ffd4200 R09: 000000000000000c
[  300.960257][ T1150] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  300.960573][ T1150] R13: 0000000016ee2910 R14: 0000000000000000 R15: 0000000000000003
| [  304.166978][ T1216] ------------[ cut here ]------------
| [ 304.167283][ T1216] WARNING: CPU: 0 PID: 1216 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) 
| [  304.167770][ T1216] Modules linked in: netdevsim
| [  304.168447][ T1216] Tainted: [W]=WARN
[  304.168611][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 304.168890][ T1216] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.169161][ T1216] 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
[  304.169941][ T1216] RSP: 0018:ffffc900026671e8 EFLAGS: 00010246
[  304.170257][ T1216] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  304.170613][ T1216] RDX: 0000000000000000 RSI: ffff888009adac98 RDI: ffff888008382dc0
[  304.170937][ T1216] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  304.171264][ T1216] R10: ffffffffa97ec1e7 R11: ffff888008382300 R12: 0000000000000000
[  304.171753][ T1216] R13: ffff888009ada128 R14: ffff888009ada008 R15: ffff888009ada000
[  304.172083][ T1216] FS:  00007f2fbbe8a800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  304.172624][ T1216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  304.172961][ T1216] CR2: 00007f2fbc23a200 CR3: 000000000be60003 CR4: 0000000000772ef0
[  304.173363][ T1216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  304.173693][ T1216] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  304.174065][ T1216] PKRU: 55555554
[  304.174230][ T1216] Call Trace:
[  304.174423][ T1216]  <TASK>
[ 304.174540][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.174803][ T1216] ? __warn (kernel/panic.c:748) 
[ 304.174968][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.175178][ T1216] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 304.175433][ T1216] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 304.175614][ T1216] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 304.175809][ T1216] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 304.176022][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.176232][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 304.176458][ T1216] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 304.176708][ T1216] ? _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) 
[ 304.176914][ T1216] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 304.177154][ T1216] register_netdevice (net/core/dev.c:11003) 
[ 304.177379][ T1216] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 304.177631][ T1216] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 304.177887][ T1216] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 304.178167][ T1216] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 304.178474][ T1216] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 304.178749][ T1216] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 304.179033][ T1216] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 304.179319][ T1216] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 304.179618][ T1216] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 304.179828][ T1216] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 304.180122][ T1216] devlink_reload (net/devlink/dev.c:474) 
[ 304.180352][ T1216] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 304.180607][ T1216] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 304.181001][ T1216] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 304.181322][ T1216] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 304.181747][ T1216] ? __nla_parse (lib/nlattr.c:732) 
[ 304.181986][ T1216] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 304.182214][ T1216] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 304.182524][ T1216] ? cap_capable (security/commoncap.c:131) 
[ 304.182820][ T1216] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 304.183034][ T1216] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 304.183267][ T1216] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 304.183548][ T1216] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 304.183811][ T1216] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 304.184071][ T1216] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 304.184351][ T1216] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 304.184584][ T1216] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 304.184796][ T1216] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 304.185029][ T1216] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 304.185261][ T1216] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 304.185454][ T1216] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 304.185698][ T1216] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 304.185950][ T1216] genl_rcv (net/netlink/genetlink.c:1220) 
[ 304.186155][ T1216] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 304.186386][ T1216] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 304.186625][ T1216] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 304.186845][ T1216] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 304.187122][ T1216] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 304.187378][ T1216] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 304.187740][ T1216] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 304.187973][ T1216] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 304.188189][ T1216] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 304.188496][ T1216] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 304.188713][ T1216] ? __sys_recvmsg (net/socket.c:2859) 
[ 304.188931][ T1216] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 304.189149][ T1216] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 304.189373][ T1216] __x64_sys_sendto (net/socket.c:2181) 
[ 304.189612][ T1216] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 304.189876][ T1216] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 304.190089][ T1216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  304.190357][ T1216] RIP: 0033:0x7f2fbc096a4a
[ 304.190627][ T1216] 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
[  304.191456][ T1216] RSP: 002b:00007ffcfe6284a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  304.191816][ T1216] RAX: ffffffffffffffda RBX: 000000001afafb00 RCX: 00007f2fbc096a4a
[  304.192200][ T1216] RDX: 0000000000000038 RSI: 000000001afafb00 RDI: 0000000000000005
[  304.192569][ T1216] RBP: 000000001afaf910 R08: 00007f2fbc23a200 R09: 000000000000000c
[  304.192882][ T1216] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  304.193263][ T1216] R13: 000000001afaf910 R14: 0000000000000000 R15: 0000000000000003
| [  305.640885][ T1247] ------------[ cut here ]------------
| [ 305.641164][ T1247] WARNING: CPU: 3 PID: 1247 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) 
| [  305.641635][ T1247] Modules linked in: netdevsim
| [  305.642232][ T1247] Tainted: [W]=WARN
[  305.642390][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 305.642678][ T1247] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.642948][ T1247] 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
[  305.643759][ T1247] RSP: 0018:ffffc900027571e8 EFLAGS: 00010246
[  305.644036][ T1247] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  305.644324][ T1247] RDX: 0000000000000000 RSI: ffff888008e5ac98 RDI: ffff888008382dc0
[  305.644718][ T1247] RBP: ffff88800b4f8040 R08: 0000000000000000 R09: fffffbfff52fd83c
[  305.645021][ T1247] R10: ffffffffa97ec1e7 R11: ffff888008382300 R12: 0000000000000000
[  305.645306][ T1247] R13: ffff888008e5a128 R14: ffff888008e5a008 R15: ffff888008e5a000
[  305.645732][ T1247] FS:  00007fd852512800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  305.646098][ T1247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.646346][ T1247] CR2: 00007fd8528c2200 CR3: 000000000de92005 CR4: 0000000000772ef0
[  305.646788][ T1247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  305.647085][ T1247] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  305.647380][ T1247] PKRU: 55555554
[  305.647628][ T1247] Call Trace:
[  305.647808][ T1247]  <TASK>
[ 305.647908][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.648122][ T1247] ? __warn (kernel/panic.c:748) 
[ 305.648308][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.648611][ T1247] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 305.648851][ T1247] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 305.649013][ T1247] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 305.649222][ T1247] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 305.649684][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.649895][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 305.650092][ T1247] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 305.650354][ T1247] ? _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) 
[ 305.650590][ T1247] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 305.650789][ T1247] register_netdevice (net/core/dev.c:11003) 
[ 305.650986][ T1247] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 305.651197][ T1247] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 305.651426][ T1247] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 305.651680][ T1247] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 305.651973][ T1247] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 305.652244][ T1247] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 305.652523][ T1247] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 305.652807][ T1247] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 305.653078][ T1247] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 305.653420][ T1247] devlink_reload (net/devlink/dev.c:474) 
[ 305.653652][ T1247] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 305.653890][ T1247] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 305.654175][ T1247] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 305.654386][ T1247] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.654664][ T1247] ? __nla_parse (lib/nlattr.c:732) 
[ 305.654933][ T1247] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 305.655150][ T1247] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 305.655420][ T1247] ? cap_capable (security/commoncap.c:131) 
[ 305.655611][ T1247] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 305.655826][ T1247] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 305.656051][ T1247] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 305.656261][ T1247] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 305.656514][ T1247] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.656754][ T1247] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 305.657024][ T1247] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 305.657226][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 305.657440][ T1247] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 305.657687][ T1247] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 305.657942][ T1247] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 305.658089][ T1247] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 305.658324][ T1247] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 305.658557][ T1247] genl_rcv (net/netlink/genetlink.c:1220) 
[ 305.658716][ T1247] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 305.658949][ T1247] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 305.659176][ T1247] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 305.659378][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 305.659585][ T1247] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 305.659810][ T1247] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 305.660024][ T1247] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 305.660251][ T1247] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 305.660475][ T1247] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 305.660713][ T1247] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 305.660933][ T1247] ? __sys_recvmsg (net/socket.c:2859) 
[ 305.661127][ T1247] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 305.661331][ T1247] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 305.661548][ T1247] __x64_sys_sendto (net/socket.c:2181) 
[ 305.661768][ T1247] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 305.662017][ T1247] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 305.662220][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  305.662466][ T1247] RIP: 0033:0x7fd85271ea4a
[ 305.662720][ T1247] 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
[  305.663439][ T1247] RSP: 002b:00007ffc2e83ec08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  305.663747][ T1247] RAX: ffffffffffffffda RBX: 000000001ec27b00 RCX: 00007fd85271ea4a
[  305.664043][ T1247] RDX: 0000000000000038 RSI: 000000001ec27b00 RDI: 0000000000000005
[  305.664349][ T1247] RBP: 000000001ec27910 R08: 00007fd8528c2200 R09: 000000000000000c
[  305.664692][ T1247] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  305.665007][ T1247] R13: 000000001ec27910 R14: 0000000000000000 R15: 0000000000000003
| [  306.028747][   T11] ------------[ cut here ]------------
| [ 306.029332][ T11] WARNING: CPU: 0 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  306.029890][   T11] Modules linked in: netdevsim
| [  306.031117][   T11] Tainted: [W]=WARN
[  306.031355][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  306.031786][   T11] Workqueue: netns cleanup_net
[ 306.032155][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.032579][ 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
[  306.033668][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[  306.034051][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  306.034380][   T11] RDX: 0000000000000000 RSI: ffff88800b762c98 RDI: ffff888001a82e10
[  306.034683][   T11] RBP: ffffffffab923440 R08: 0000000000000000 R09: fffffbfff52fd83c
[  306.034968][   T11] R10: ffffffffa97ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[  306.035261][   T11] R13: ffff88800b762128 R14: ffff88800b762008 R15: ffff88800b762000
[  306.035618][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  306.035984][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  306.036224][   T11] CR2: 00000000004060bb CR3: 0000000017128003 CR4: 0000000000772ef0
[  306.036522][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  306.036833][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  306.037121][   T11] PKRU: 55555554
[  306.037273][   T11] Call Trace:
[  306.037443][   T11]  <TASK>
[ 306.037548][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.037769][ T11] ? __warn (kernel/panic.c:748) 
[ 306.037927][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.038130][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 306.038348][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 306.038516][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 306.038718][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 306.038931][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 306.039139][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 306.039417][ 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) 
[ 306.039647][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 306.039836][ T11] register_netdevice (net/core/dev.c:11003) 
[ 306.040025][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 306.040235][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 306.040510][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 306.040770][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 306.041033][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 306.041292][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 306.041571][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 306.041821][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 306.042111][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 306.042323][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 306.042548][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 306.042755][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 306.042954][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 306.043203][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 306.043464][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 306.043746][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 306.043937][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 306.044161][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 306.044363][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 306.044567][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 306.044760][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 306.044936][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 306.045135][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 306.045329][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 306.045593][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 306.045774][ T11] kthread (kernel/kthread.c:464) 
[ 306.045924][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 306.046110][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 306.046292][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 306.046528][ 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