======================================
| 0
| xx__-> [   10.630156][  T228] ------------[ cut here ]------------
| [ 10.630641][ T228] WARNING: CPU: 2 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.631164][  T228] Modules linked in: netdevsim
[   10.631813][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.632105][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.632426][ 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
[   10.633249][  T228] RSP: 0018:ffffc90000b37520 EFLAGS: 00010246
[   10.633551][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.633877][  T228] RDX: 0000000000000000 RSI: ffff88800abbac98 RDI: ffff8880050750f8
[   10.634194][  T228] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   10.634542][  T228] R10: ffffffffa55ec1e7 R11: ffff8880050745c0 R12: 0000000000000000
[   10.634877][  T228] R13: ffff88800abba128 R14: ffff88800abba008 R15: ffff88800abba000
[   10.635215][  T228] FS:  00007fa174044740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   10.635616][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.635900][  T228] CR2: 0000563cc5b48b68 CR3: 000000000a1b0003 CR4: 0000000000772ef0
[   10.636234][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.636580][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.636916][  T228] PKRU: 55555554
[   10.637096][  T228] Call Trace:
[   10.637274][  T228]  <TASK>
[ 10.637422][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.637677][ T228] ? __warn (kernel/panic.c:748) 
[ 10.637866][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.638103][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.638365][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.638549][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.638782][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.639043][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.639278][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.639578][ 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) 
[ 10.639810][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.640042][ T228] register_netdevice (net/core/dev.c:11003) 
[ 10.640279][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.640532][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.640776][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.641058][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.641238][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.641540][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.641825][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.642109][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.642377][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.642668][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.642903][ 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)) 
[ 10.643083][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.643346][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.643592][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.643821][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 10.644061][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.644293][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.644577][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.644806][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.645035][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.645269][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.645508][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.645758][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 10.645986][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.646210][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.646453][ 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) 
[ 10.646692][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 10.646923][ T228] device_add (drivers/base/core.c:3672) 
[ 10.647155][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.647395][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.647631][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.647944][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.648237][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.648484][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.648720][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.648949][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.649190][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.649386][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.649616][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.649838][ 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) 
[ 10.650079][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.650321][ T228] ksys_write (fs/read_write.c:731) 
[ 10.650498][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.650717][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.650955][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.651196][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.651489][  T228] RIP: 0033:0x7fa174185b77
[ 10.651734][ 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
[   10.652509][  T228] RSP: 002b:00007fff414997c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.652857][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa174185b77
[   10.653190][  T228] RDX: 0000000000000005 RSI: 0000563cc5b47b60 RDI: 0000000000000001
[   10.653558][  T228] RBP: 0000563cc5b47b60 R08: 0000000000000003 R09: 0000000000000000
[   10.653896][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.654230][  T228] R13: 00007fa174241760 R14: 0000000000000005 R15: 00007fa17423c9c0
| [   10.676052][  T228] ------------[ cut here ]------------
| [ 10.676412][ T228] WARNING: CPU: 0 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.676897][  T228] Modules linked in: netdevsim
| [   10.677584][  T228] Tainted: [W]=WARN
[   10.677756][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.678031][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.678320][ 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
[   10.679069][  T228] RSP: 0018:ffffc90000b37520 EFLAGS: 00010246
[   10.679353][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.679672][  T228] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff8880050750f8
[   10.679991][  T228] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   10.680323][  T228] R10: ffffffffa55ec1e7 R11: ffff8880050745c0 R12: 0000000000000000
[   10.680641][  T228] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[   10.680960][  T228] FS:  00007fa174044740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.681337][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.681607][  T228] CR2: 0000560064f15158 CR3: 000000000a1b0003 CR4: 0000000000772ef0
[   10.681932][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.682249][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.682579][  T228] PKRU: 55555554
[   10.682743][  T228] Call Trace:
[   10.682905][  T228]  <TASK>
[ 10.683017][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.683239][ T228] ? __warn (kernel/panic.c:748) 
[ 10.683416][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.683634][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.683859][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.684073][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.684321][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.684556][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.684783][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.685078][ 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) 
[ 10.685299][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.685536][ T228] register_netdevice (net/core/dev.c:11003) 
[ 10.685759][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.685986][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.686220][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.686515][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.686685][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.686968][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.687246][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.687586][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.687822][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.688108][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.688341][ 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)) 
[ 10.688506][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.688730][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.688955][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.689176][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 10.689402][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.689624][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.689890][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.690107][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.690377][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.690597][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.690811][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.691032][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 10.691252][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.691476][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.691691][ 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) 
[ 10.691914][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 10.692132][ T228] device_add (drivers/base/core.c:3672) 
[ 10.692363][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.692576][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.692806][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.693139][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.693434][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.693651][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.693876][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.694088][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.694317][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.694496][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.694717][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.694931][ 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) 
[ 10.695153][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.695385][ T228] ksys_write (fs/read_write.c:731) 
[ 10.695552][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.695762][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.695991][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.696210][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.696485][  T228] RIP: 0033:0x7fa174185b77
[ 10.696706][ 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
[   10.697458][  T228] RSP: 002b:00007fff414997c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.697793][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa174185b77
[   10.698129][  T228] RDX: 0000000000000005 RSI: 0000563cc5b47b60 RDI: 0000000000000001
[   10.698455][  T228] RBP: 0000563cc5b47b60 R08: 0000000000000003 R09: 0000000000000000
[   10.698774][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.699100][  T228] R13: 00007fa174241760 R14: 0000000000000005 R15: 00007fa17423c9c0
| [   10.717235][  T228] ------------[ cut here ]------------
| [ 10.717486][ T228] WARNING: CPU: 0 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.717923][  T228] Modules linked in: netdevsim
| [   10.718594][  T228] Tainted: [W]=WARN
[   10.718758][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.719027][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.719303][ 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
[   10.720123][  T228] RSP: 0018:ffffc90000b37520 EFLAGS: 00010246
[   10.720413][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.720734][  T228] RDX: 0000000000000000 RSI: ffff888004eaac98 RDI: ffff8880050750f8
[   10.721059][  T228] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   10.721389][  T228] R10: ffffffffa55ec1e7 R11: ffff8880050745c0 R12: 0000000000000000
[   10.721713][  T228] R13: ffff888004eaa128 R14: ffff888004eaa008 R15: ffff888004eaa000
[   10.722032][  T228] FS:  00007fa174044740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.722495][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.722950][  T228] CR2: 0000560064f15158 CR3: 000000000a1b0003 CR4: 0000000000772ef0
[   10.723516][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.724055][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.724485][  T228] PKRU: 55555554
[   10.724652][  T228] Call Trace:
[   10.724816][  T228]  <TASK>
[ 10.724929][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.725155][ T228] ? __warn (kernel/panic.c:748) 
[ 10.725337][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.725575][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.725831][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.725998][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.726214][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.726469][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.726699][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.726981][ 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) 
[ 10.727207][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.727444][ T228] register_netdevice (net/core/dev.c:11003) 
[ 10.727678][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.727914][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.728150][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.728488][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.728661][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.728950][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.729227][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.729516][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.729745][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.730020][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.730241][ 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)) 
[ 10.730415][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.730641][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.730864][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.731085][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 10.731304][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.731545][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.731898][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.732121][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.732345][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.732563][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.732779][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.733002][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 10.733223][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.733445][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.733665][ 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) 
[ 10.733889][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 10.734109][ T228] device_add (drivers/base/core.c:3672) 
[ 10.734340][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.734556][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.734784][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.735064][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.735352][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.735612][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.735847][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.736069][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.736300][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.736502][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.736729][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.736954][ 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) 
[ 10.737190][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.737450][ T228] ksys_write (fs/read_write.c:731) 
[ 10.737632][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.737884][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.738137][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.738437][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.738742][  T228] RIP: 0033:0x7fa174185b77
[ 10.738986][ 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
[   10.739812][  T228] RSP: 002b:00007fff414997c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.740172][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa174185b77
[   10.740543][  T228] RDX: 0000000000000005 RSI: 0000563cc5b47b60 RDI: 0000000000000001
[   10.740909][  T228] RBP: 0000563cc5b47b60 R08: 0000000000000003 R09: 0000000000000000
[   10.741280][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.741713][  T228] R13: 00007fa174241760 R14: 0000000000000005 R15: 00007fa17423c9c0
| [   10.756869][  T228] ------------[ cut here ]------------
| [ 10.757228][ T228] WARNING: CPU: 0 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.757909][  T228] Modules linked in: netdevsim
| [   10.758697][  T228] Tainted: [W]=WARN
[   10.758882][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.759185][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.759513][ 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
[   10.760383][  T228] RSP: 0018:ffffc90000b37520 EFLAGS: 00010246
[   10.760756][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.761134][  T228] RDX: 0000000000000000 RSI: ffff88800a3aac98 RDI: ffff8880050750f8
[   10.761514][  T228] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   10.761887][  T228] R10: ffffffffa55ec1e7 R11: ffff8880050745c0 R12: 0000000000000000
[   10.762268][  T228] R13: ffff88800a3aa128 R14: ffff88800a3aa008 R15: ffff88800a3aa000
[   10.762653][  T228] FS:  00007fa174044740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.763074][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.763396][  T228] CR2: 0000560064f15158 CR3: 000000000a1b0003 CR4: 0000000000772ef0
[   10.763764][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.764127][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.764504][  T228] PKRU: 55555554
[   10.764692][  T228] Call Trace:
[   10.764886][  T228]  <TASK>
[ 10.765023][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.765276][ T228] ? __warn (kernel/panic.c:748) 
[ 10.765478][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.765733][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.766011][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.766203][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.766462][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.766906][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.767165][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.767487][ 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) 
[ 10.767742][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.768015][ T228] register_netdevice (net/core/dev.c:11003) 
[ 10.768267][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.768536][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.768808][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.769199][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.769411][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.769761][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.770104][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.770422][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.770672][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.770980][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.771229][ 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)) 
[ 10.771425][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.771682][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.771974][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.772222][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 10.772476][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.772722][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.773015][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.773261][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.773531][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.773797][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.774045][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.774305][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 10.774603][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.774851][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.775127][ 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) 
[ 10.775456][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 10.775715][ T228] device_add (drivers/base/core.c:3672) 
[ 10.775992][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.776257][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.776543][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.776876][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.777201][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.777466][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.777724][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.777992][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.778284][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.778502][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.778755][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.778996][ 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) 
[ 10.779270][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.779538][ T228] ksys_write (fs/read_write.c:731) 
[ 10.779740][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.779992][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.780251][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.780518][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.780833][  T228] RIP: 0033:0x7fa174185b77
[ 10.781092][ 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
[   10.781982][  T228] RSP: 002b:00007fff414997c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.782380][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa174185b77
[   10.782755][  T228] RDX: 0000000000000005 RSI: 0000563cc5b47b60 RDI: 0000000000000001
[   10.783132][  T228] RBP: 0000563cc5b47b60 R08: 0000000000000003 R09: 0000000000000000
[   10.783516][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[   10.783879][  T228] R13: 00007fa174241760 R14: 0000000000000005 R15: 00007fa17423c9c0
| [   40.717479][  T311] ------------[ cut here ]------------
| [ 40.718039][ T311] WARNING: CPU: 2 PID: 311 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) 
| [   40.718504][  T311] Modules linked in: netdevsim
| [   40.719112][  T311] Tainted: [W]=WARN
[   40.719284][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.719551][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.719814][ T311] 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
[   40.720531][  T311] RSP: 0018:ffffc900006871e8 EFLAGS: 00010246
[   40.720793][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.721098][  T311] RDX: 0000000000000000 RSI: ffff88800963ac98 RDI: ffff8880092b0b00
[   40.721412][  T311] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   40.721711][  T311] R10: ffffffffa55ec1e7 R11: ffff8880092b0040 R12: 0000000000000000
[   40.722018][  T311] R13: ffff88800963a128 R14: ffff88800963a008 R15: ffff88800963a000
[   40.722330][  T311] FS:  00007fc5298cf800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   40.722683][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.722950][  T311] CR2: 00005600547ed5b0 CR3: 000000000a1d0004 CR4: 0000000000772ef0
[   40.723259][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.723582][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.723891][  T311] PKRU: 55555554
[   40.724255][  T311] Call Trace:
[   40.724435][  T311]  <TASK>
[ 40.724555][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.724771][ T311] ? __warn (kernel/panic.c:748) 
[ 40.724943][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.725154][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.725385][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.725557][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.725771][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.725998][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.726211][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.726440][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.726714][ T311] ? _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) 
[ 40.726939][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.727157][ T311] register_netdevice (net/core/dev.c:11003) 
[ 40.727384][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.727604][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.727846][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.728117][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.728419][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.728694][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.728976][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.729244][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.729523][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.729791][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.730000][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.730273][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 40.730498][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.730716][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.730979][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.731192][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.731455][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 40.731680][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.731891][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.732159][ T311] ? cap_capable (security/commoncap.c:131) 
[ 40.732384][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.732611][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.732826][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.733040][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.733297][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.733574][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.733844][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.734056][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.734274][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.734495][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.734730][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.734907][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.735124][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.735351][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.735528][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.735741][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.735954][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.736177][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.736398][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.736608][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.736817][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.737043][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.737258][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.737490][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.737701][ T311] ? 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) 
[ 40.737922][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.738136][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.738357][ T311] ? 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) 
[ 40.738640][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.738853][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 40.739059][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.739327][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.739540][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.739797][  T311] RIP: 0033:0x7fc529adba4a
[ 40.740015][ T311] 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
[   40.740721][  T311] RSP: 002b:00007ffd509cf558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.741027][  T311] RAX: ffffffffffffffda RBX: 000000002123ab00 RCX: 00007fc529adba4a
[   40.741339][  T311] RDX: 0000000000000034 RSI: 000000002123ab00 RDI: 0000000000000005
[   40.741639][  T311] RBP: 000000002123a910 R08: 00007fc529c7f200 R09: 000000000000000c
[   40.741937][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.742668][  T311] R13: 000000002123a910 R14: 0000000000000000 R15: 0000000000000001
| [   40.758151][  T311] ------------[ cut here ]------------
| [ 40.758498][ T311] WARNING: CPU: 2 PID: 311 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) 
| [   40.758908][  T311] Modules linked in: netdevsim
| [   40.759536][  T311] Tainted: [W]=WARN
[   40.759703][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.759960][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.760221][ T311] 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
[   40.760918][  T311] RSP: 0018:ffffc900006871e8 EFLAGS: 00010246
[   40.761190][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.761504][  T311] RDX: 0000000000000000 RSI: ffff88800bf52c98 RDI: ffff8880092b0b00
[   40.761812][  T311] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   40.762115][  T311] R10: ffffffffa55ec1e7 R11: ffff8880092b0040 R12: 0000000000000000
[   40.762436][  T311] R13: ffff88800bf52128 R14: ffff88800bf52008 R15: ffff88800bf52000
[   40.762738][  T311] FS:  00007fc5298cf800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   40.763096][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.763366][  T311] CR2: 00005600547ed5b0 CR3: 000000000a1d0004 CR4: 0000000000772ef0
[   40.763671][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.763968][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.764271][  T311] PKRU: 55555554
[   40.764451][  T311] Call Trace:
[   40.764615][  T311]  <TASK>
[ 40.764731][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.764949][ T311] ? __warn (kernel/panic.c:748) 
[ 40.765119][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.765341][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.765560][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.765722][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.765937][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.766160][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.766391][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.766610][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.766882][ T311] ? _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) 
[ 40.767103][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.767326][ T311] register_netdevice (net/core/dev.c:11003) 
[ 40.767546][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.767782][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.768038][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.768324][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.768600][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.768878][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.769143][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.769418][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.769775][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.770036][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.770239][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.770524][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 40.770734][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.770945][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.771211][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.771436][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.771693][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 40.771916][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.772134][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.772412][ T311] ? cap_capable (security/commoncap.c:131) 
[ 40.772619][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.772836][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.773063][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.773272][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.773533][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.773872][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.774138][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.774358][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.774570][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.774780][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.775001][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.775162][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.775387][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.775603][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.775763][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.775975][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.776185][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.776407][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.776628][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.776838][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.777056][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.777273][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.777504][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.777724][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.777930][ T311] ? 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) 
[ 40.778144][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.778368][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.778583][ T311] ? 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) 
[ 40.778792][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.779010][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 40.779228][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.779493][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.779706][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.779970][  T311] RIP: 0033:0x7fc529adba4a
[ 40.780192][ T311] Code: Unable to access opcode bytes at 0x7fc529adba20.

Code starting with the faulting instruction
===========================================
[   40.780545][  T311] RSP: 002b:00007ffd509cf558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.780861][  T311] RAX: ffffffffffffffda RBX: 000000002123ab00 RCX: 00007fc529adba4a
[   40.781179][  T311] RDX: 0000000000000034 RSI: 000000002123ab00 RDI: 0000000000000005
[   40.781493][  T311] RBP: 000000002123a910 R08: 00007fc529c7f200 R09: 000000000000000c
[   40.781797][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.782097][  T311] R13: 000000002123a910 R14: 0000000000000000 R15: 0000000000000001
| [   40.796394][  T311] ------------[ cut here ]------------
| [ 40.796688][ T311] WARNING: CPU: 2 PID: 311 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) 
| [   40.797092][  T311] Modules linked in: netdevsim
| [   40.797706][  T311] Tainted: [W]=WARN
[   40.797880][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.798136][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.798417][ T311] 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
[   40.799098][  T311] RSP: 0018:ffffc900006871e8 EFLAGS: 00010246
[   40.799375][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.799692][  T311] RDX: 0000000000000000 RSI: ffff88800d9cac98 RDI: ffff8880092b0b00
[   40.799996][  T311] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   40.800293][  T311] R10: ffffffffa55ec1e7 R11: ffff8880092b0040 R12: 0000000000000000
[   40.800608][  T311] R13: ffff88800d9ca128 R14: ffff88800d9ca008 R15: ffff88800d9ca000
[   40.800908][  T311] FS:  00007fc5298cf800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   40.801257][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.801544][  T311] CR2: 00007fc529adba20 CR3: 000000000a1d0004 CR4: 0000000000772ef0
[   40.801853][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.802183][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.802499][  T311] PKRU: 55555554
[   40.802666][  T311] Call Trace:
[   40.802825][  T311]  <TASK>
[ 40.802944][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.803153][ T311] ? __warn (kernel/panic.c:748) 
[ 40.803329][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.803550][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.803768][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.803933][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.804138][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.804383][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.804588][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.804801][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.805059][ T311] ? _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) 
[ 40.805276][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.805494][ T311] register_netdevice (net/core/dev.c:11003) 
[ 40.805712][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.805928][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.806160][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.806471][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.806746][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.807013][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.807280][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.807547][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.807807][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.808079][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.808299][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.808577][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 40.808797][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.809004][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.809267][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.809491][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.809748][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 40.809976][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.810192][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.810466][ T311] ? cap_capable (security/commoncap.c:131) 
[ 40.810686][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.810907][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.811124][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.811341][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.811595][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.811844][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.812108][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.812325][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.812550][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.812759][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.812981][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.813160][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.813388][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.813604][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.813765][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.813976][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.814194][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.814459][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.814673][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.814884][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.815103][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.815334][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.815554][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.816160][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.816378][ T311] ? 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) 
[ 40.816601][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.816814][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.817024][ T311] ? 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) 
[ 40.817239][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.817458][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 40.817684][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.817936][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.818151][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.818416][  T311] RIP: 0033:0x7fc529adba4a
[ 40.818639][ T311] Code: Unable to access opcode bytes at 0x7fc529adba20.

Code starting with the faulting instruction
===========================================
[   40.818904][  T311] RSP: 002b:00007ffd509cf558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.819216][  T311] RAX: ffffffffffffffda RBX: 000000002123ab00 RCX: 00007fc529adba4a
[   40.819544][  T311] RDX: 0000000000000034 RSI: 000000002123ab00 RDI: 0000000000000005
[   40.819844][  T311] RBP: 000000002123a910 R08: 00007fc529c7f200 R09: 000000000000000c
[   40.820146][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.820459][  T311] R13: 000000002123a910 R14: 0000000000000000 R15: 0000000000000001
| [   40.834546][  T311] ------------[ cut here ]------------
| [ 40.834832][ T311] WARNING: CPU: 2 PID: 311 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) 
| [   40.835251][  T311] Modules linked in: netdevsim
| [   40.835835][  T311] Tainted: [W]=WARN
[   40.835997][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.836256][ T311] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.836535][ T311] 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
[   40.837224][  T311] RSP: 0018:ffffc900006871e8 EFLAGS: 00010246
[   40.837494][  T311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   40.837811][  T311] RDX: 0000000000000000 RSI: ffff8880098c2c98 RDI: ffff8880092b0b00
[   40.838113][  T311] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   40.838421][  T311] R10: ffffffffa55ec1e7 R11: ffff8880092b0040 R12: 0000000000000000
[   40.838718][  T311] R13: ffff8880098c2128 R14: ffff8880098c2008 R15: ffff8880098c2000
[   40.839033][  T311] FS:  00007fc5298cf800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   40.839395][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.839657][  T311] CR2: 00007fc529adba20 CR3: 000000000a1d0004 CR4: 0000000000772ef0
[   40.839961][  T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.840270][  T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.840581][  T311] PKRU: 55555554
[   40.840745][  T311] Call Trace:
[   40.840914][  T311]  <TASK>
[ 40.841032][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.841245][ T311] ? __warn (kernel/panic.c:748) 
[ 40.841422][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.841634][ T311] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 40.841859][ T311] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 40.842024][ T311] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 40.842233][ T311] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 40.842463][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 40.842676][ T311] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 40.842892][ T311] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 40.843152][ T311] ? _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) 
[ 40.843381][ T311] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 40.843596][ T311] register_netdevice (net/core/dev.c:11003) 
[ 40.843811][ T311] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 40.844031][ T311] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 40.844259][ T311] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 40.844533][ T311] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 40.844815][ T311] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 40.845091][ T311] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 40.845369][ T311] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 40.845633][ T311] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 40.845891][ T311] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 40.846152][ T311] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 40.846376][ T311] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 40.846645][ T311] devlink_reload (net/devlink/dev.c:474) 
[ 40.846858][ T311] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 40.847069][ T311] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 40.847339][ T311] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 40.847553][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.847818][ T311] ? __nla_parse (lib/nlattr.c:732) 
[ 40.848053][ T311] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 40.848275][ T311] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 40.848557][ T311] ? cap_capable (security/commoncap.c:131) 
[ 40.848768][ T311] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 40.848990][ T311] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 40.849207][ T311] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 40.849428][ T311] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 40.849689][ T311] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 40.849948][ T311] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 40.850219][ T311] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 40.850439][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 40.850645][ T311] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 40.850861][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 40.851091][ T311] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 40.851258][ T311] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 40.851483][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 40.851709][ T311] genl_rcv (net/netlink/genetlink.c:1220) 
[ 40.851875][ T311] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 40.852090][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 40.852305][ T311] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 40.852535][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 40.852756][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 40.852960][ T311] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 40.853177][ T311] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 40.853414][ T311] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 40.853632][ T311] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 40.853852][ T311] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 40.854066][ T311] ? 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) 
[ 40.854285][ T311] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 40.854511][ T311] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 40.854728][ T311] ? 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) 
[ 40.854940][ T311] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 40.855152][ T311] __x64_sys_sendto (net/socket.c:2181) 
[ 40.855372][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 40.855628][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 40.855846][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.856111][  T311] RIP: 0033:0x7fc529adba4a
[ 40.856348][ T311] Code: Unable to access opcode bytes at 0x7fc529adba20.

Code starting with the faulting instruction
===========================================
[   40.856613][  T311] RSP: 002b:00007ffd509cf558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.856917][  T311] RAX: ffffffffffffffda RBX: 000000002123ab00 RCX: 00007fc529adba4a
[   40.857221][  T311] RDX: 0000000000000034 RSI: 000000002123ab00 RDI: 0000000000000005
[   40.857534][  T311] RBP: 000000002123a910 R08: 00007fc529c7f200 R09: 000000000000000c
[   40.857862][  T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   40.858160][  T311] R13: 000000002123a910 R14: 0000000000000000 R15: 0000000000000001
| [   43.557901][  T403] ------------[ cut here ]------------
| [ 43.558177][ T403] WARNING: CPU: 1 PID: 403 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   43.558619][  T403] Modules linked in: netdevsim
| [   43.559163][  T403] Tainted: [W]=WARN
[   43.559322][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.559561][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.559807][ T403] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   43.560492][  T403] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   43.560755][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.561065][  T403] RDX: 0000000000000000 RSI: ffff888005162c98 RDI: ffff88800a3e2dc0
[   43.561383][  T403] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   43.561691][  T403] R10: ffffffffa55ec1e7 R11: ffff88800a3e2300 R12: 0000000000000000
[   43.561979][  T403] R13: ffff888005162128 R14: ffff888005162008 R15: ffff888005162000
[   43.562268][  T403] FS:  00007fbcb111d800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   43.562606][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.562846][  T403] CR2: 000056005482a148 CR3: 000000000934c006 CR4: 0000000000772ef0
[   43.563130][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.563423][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.563753][  T403] PKRU: 55555554
[   43.563895][  T403] Call Trace:
[   43.564038][  T403]  <TASK>
[ 43.564139][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.564346][ T403] ? __warn (kernel/panic.c:748) 
[ 43.564494][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.564684][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.564886][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.565034][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.565226][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.565438][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.565631][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.565823][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.566074][ T403] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 43.566271][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.566471][ T403] register_netdevice (net/core/dev.c:11003) 
[ 43.566666][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.566866][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.567085][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.567342][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.567596][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.567853][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.568097][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.568346][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.568580][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.568815][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.569008][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.569260][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 43.569462][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.569659][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.569901][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.570097][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.570353][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 43.570556][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.570748][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.570995][ T403] ? cap_capable (security/commoncap.c:131) 
[ 43.571188][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.571403][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.571599][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.571790][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.572022][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.572254][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.572513][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.572709][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.572895][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.573087][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.573290][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.573446][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.573642][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.573849][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.573993][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.574192][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.574410][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.574608][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.574802][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.574989][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.575181][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.575387][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.575580][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.575779][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.575964][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.576156][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.576358][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.576549][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.576744][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.576941][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 43.577129][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.577372][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.577575][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.577820][  T403] RIP: 0033:0x7fbcb1329a4a
[ 43.578016][ T403] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   43.578713][  T403] RSP: 002b:00007fffd02d77d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.578997][  T403] RAX: ffffffffffffffda RBX: 000000003ec08b00 RCX: 00007fbcb1329a4a
[   43.579275][  T403] RDX: 0000000000000034 RSI: 000000003ec08b00 RDI: 0000000000000005
[   43.579561][  T403] RBP: 000000003ec08910 R08: 00007fbcb14cd200 R09: 000000000000000c
[   43.579844][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.580130][  T403] R13: 000000003ec08910 R14: 0000000000000000 R15: 0000000000000001
| [   43.590620][  T403] ------------[ cut here ]------------
| [ 43.590894][ T403] WARNING: CPU: 2 PID: 403 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   43.591289][  T403] Modules linked in: netdevsim
| [   43.591861][  T403] Tainted: [W]=WARN
[   43.592018][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.592276][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.592540][ T403] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   43.593206][  T403] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   43.593477][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.593776][  T403] RDX: 0000000000000000 RSI: ffff888001fb2c98 RDI: ffff88800a3e2dc0
[   43.594073][  T403] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   43.594390][  T403] R10: ffffffffa55ec1e7 R11: ffff88800a3e2300 R12: 0000000000000000
[   43.594688][  T403] R13: ffff888001fb2128 R14: ffff888001fb2008 R15: ffff888001fb2000
[   43.594984][  T403] FS:  00007fbcb111d800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.595337][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.595589][  T403] CR2: 00007fdaed8f0210 CR3: 000000000934c003 CR4: 0000000000772ef0
[   43.595901][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.596207][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.596517][  T403] PKRU: 55555554
[   43.596678][  T403] Call Trace:
[   43.596840][  T403]  <TASK>
[ 43.596951][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.597159][ T403] ? __warn (kernel/panic.c:748) 
[ 43.597329][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.597544][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.597774][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.597937][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.598149][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.598379][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.598592][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.598809][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.599075][ T403] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 43.599304][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.599530][ T403] register_netdevice (net/core/dev.c:11003) 
[ 43.599741][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.599960][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.600183][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.600461][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.600729][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.600996][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.601257][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.601531][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.601789][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.602057][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.602263][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.602543][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 43.602755][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.602963][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.603223][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.603443][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.603699][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 43.603921][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.604132][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.604413][ T403] ? cap_capable (security/commoncap.c:131) 
[ 43.604633][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.604852][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.605065][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.605289][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.605551][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.605798][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.606059][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.606274][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.606484][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.606692][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.606908][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.607068][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.607278][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.607502][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.607673][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.607885][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.608093][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.608306][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.608521][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.608723][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.608937][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.609154][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.609379][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.609594][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.609797][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.610005][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.610215][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.610553][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.610762][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.610971][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 43.611173][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.611435][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.611648][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.612016][  T403] RIP: 0033:0x7fbcb1329a4a
[ 43.612228][ T403] Code: Unable to access opcode bytes at 0x7fbcb1329a20.

Code starting with the faulting instruction
===========================================
[   43.612501][  T403] RSP: 002b:00007fffd02d77d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.612802][  T403] RAX: ffffffffffffffda RBX: 000000003ec08b00 RCX: 00007fbcb1329a4a
[   43.613112][  T403] RDX: 0000000000000034 RSI: 000000003ec08b00 RDI: 0000000000000005
[   43.613425][  T403] RBP: 000000003ec08910 R08: 00007fbcb14cd200 R09: 000000000000000c
[   43.613721][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.614022][  T403] R13: 000000003ec08910 R14: 0000000000000000 R15: 0000000000000001
| [   43.634920][  T403] ------------[ cut here ]------------
| [ 43.635256][ T403] WARNING: CPU: 2 PID: 403 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   43.635664][  T403] Modules linked in: netdevsim
| [   43.636226][  T403] Tainted: [W]=WARN
[   43.636396][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.636648][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.636901][ T403] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   43.637586][  T403] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   43.637860][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.638161][  T403] RDX: 0000000000000000 RSI: ffff88800915ac98 RDI: ffff88800a3e2dc0
[   43.638466][  T403] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   43.638759][  T403] R10: ffffffffa55ec1e7 R11: ffff88800a3e2300 R12: 0000000000000000
[   43.639075][  T403] R13: ffff88800915a128 R14: ffff88800915a008 R15: ffff88800915a000
[   43.639384][  T403] FS:  00007fbcb111d800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.639722][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.639969][  T403] CR2: 00007fbcb1329a20 CR3: 000000000934c003 CR4: 0000000000772ef0
[   43.640263][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.640571][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.640867][  T403] PKRU: 55555554
[   43.641023][  T403] Call Trace:
[   43.641178][  T403]  <TASK>
[ 43.641291][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.641500][ T403] ? __warn (kernel/panic.c:748) 
[ 43.641662][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.641863][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.642078][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.642237][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.642453][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.642670][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.642875][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.643089][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.643353][ T403] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 43.643569][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.643777][ T403] register_netdevice (net/core/dev.c:11003) 
[ 43.643988][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.644201][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.644431][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.644690][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.644956][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.645220][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.645484][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.645739][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.645991][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.646240][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.646461][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.646726][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 43.646932][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.647136][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.647408][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.647621][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.647874][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 43.648091][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.648318][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.648585][ T403] ? cap_capable (security/commoncap.c:131) 
[ 43.648793][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.649007][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.649222][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.649441][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.649691][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.649947][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.650206][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.650423][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.650632][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.650843][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.651064][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.651230][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.651460][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.651683][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.651848][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.652057][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.652263][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.652487][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.652697][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.652905][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.653111][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.653336][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.653547][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.653765][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.653967][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.654176][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.654400][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.654628][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.654838][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.655053][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 43.655259][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.655519][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.655727][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.655977][  T403] RIP: 0033:0x7fbcb1329a4a
[ 43.656206][ T403] Code: Unable to access opcode bytes at 0x7fbcb1329a20.

Code starting with the faulting instruction
===========================================
[   43.656472][  T403] RSP: 002b:00007fffd02d77d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.656780][  T403] RAX: ffffffffffffffda RBX: 000000003ec08b00 RCX: 00007fbcb1329a4a
[   43.657076][  T403] RDX: 0000000000000034 RSI: 000000003ec08b00 RDI: 0000000000000005
[   43.657378][  T403] RBP: 000000003ec08910 R08: 00007fbcb14cd200 R09: 000000000000000c
[   43.657686][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.657982][  T403] R13: 000000003ec08910 R14: 0000000000000000 R15: 0000000000000001
| [   43.668920][  T403] ------------[ cut here ]------------
| [ 43.669172][ T403] WARNING: CPU: 2 PID: 403 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   43.670336][  T403] Modules linked in: netdevsim
| [   43.671065][  T403] Tainted: [W]=WARN
[   43.671303][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.671718][ T403] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.672058][ T403] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   43.672825][  T403] RSP: 0018:ffffc900009671e8 EFLAGS: 00010246
[   43.673161][  T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.673543][  T403] RDX: 0000000000000000 RSI: ffff888004ea2c98 RDI: ffff88800a3e2dc0
[   43.673916][  T403] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   43.674290][  T403] R10: ffffffffa55ec1e7 R11: ffff88800a3e2300 R12: 0000000000000000
[   43.674671][  T403] R13: ffff888004ea2128 R14: ffff888004ea2008 R15: ffff888004ea2000
[   43.675043][  T403] FS:  00007fbcb111d800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.675469][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.675797][  T403] CR2: 00007fbcb1329a20 CR3: 000000000934c003 CR4: 0000000000772ef0
[   43.676181][  T403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.676563][  T403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.676938][  T403] PKRU: 55555554
[   43.677169][  T403] Call Trace:
[   43.677417][  T403]  <TASK>
[ 43.677609][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.677916][ T403] ? __warn (kernel/panic.c:748) 
[ 43.678162][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.678455][ T403] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.678747][ T403] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.678987][ T403] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.679269][ T403] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.679571][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.679861][ T403] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.680157][ T403] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.680504][ T403] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 43.680797][ T403] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.681087][ T403] register_netdevice (net/core/dev.c:11003) 
[ 43.681387][ T403] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.681694][ T403] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.681999][ T403] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.682360][ T403] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.682714][ T403] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.683062][ T403] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.683413][ T403] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.683679][ T403] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.683933][ T403] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.684199][ T403] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.684415][ T403] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.684686][ T403] devlink_reload (net/devlink/dev.c:474) 
[ 43.684895][ T403] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.685104][ T403] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.685373][ T403] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.685589][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.685842][ T403] ? __nla_parse (lib/nlattr.c:732) 
[ 43.686060][ T403] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.686271][ T403] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.686546][ T403] ? cap_capable (security/commoncap.c:131) 
[ 43.686757][ T403] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.686972][ T403] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.687183][ T403] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.687404][ T403] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.687662][ T403] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.687914][ T403] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.688175][ T403] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.688394][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.688597][ T403] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.688813][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.689035][ T403] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.689196][ T403] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.689416][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.689632][ T403] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.689795][ T403] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.690001][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.690208][ T403] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.690433][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.690647][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.690862][ T403] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.691076][ T403] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.691291][ T403] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.691514][ T403] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.691729][ T403] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.691936][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.692148][ T403] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.692370][ T403] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.692584][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.692792][ T403] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.693005][ T403] __x64_sys_sendto (net/socket.c:2181) 
[ 43.693210][ T403] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.693478][ T403] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.693689][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.693943][  T403] RIP: 0033:0x7fbcb1329a4a
[ 43.694160][ T403] Code: Unable to access opcode bytes at 0x7fbcb1329a20.

Code starting with the faulting instruction
===========================================
[   43.694432][  T403] RSP: 002b:00007fffd02d77d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.694740][  T403] RAX: ffffffffffffffda RBX: 000000003ec08b00 RCX: 00007fbcb1329a4a
[   43.695043][  T403] RDX: 0000000000000034 RSI: 000000003ec08b00 RDI: 0000000000000005
[   43.695348][  T403] RBP: 000000003ec08910 R08: 00007fbcb14cd200 R09: 000000000000000c
[   43.695645][  T403] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.695944][  T403] R13: 000000003ec08910 R14: 0000000000000000 R15: 0000000000000001
| [   44.099520][  T417] ------------[ cut here ]------------
| [ 44.099767][ T417] WARNING: CPU: 3 PID: 417 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.100158][  T417] Modules linked in: netdevsim
| [   44.100746][  T417] Tainted: [W]=WARN
[   44.100893][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.101133][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.101495][ T417] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.102176][  T417] RSP: 0018:ffffc900009b71e8 EFLAGS: 00010246
[   44.102606][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.102912][  T417] RDX: 0000000000000000 RSI: ffff8880024dac98 RDI: ffff88800a958b00
[   44.103210][  T417] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.103523][  T417] R10: ffffffffa55ec1e7 R11: ffff88800a958040 R12: 0000000000000000
[   44.103821][  T417] R13: ffff8880024da128 R14: ffff8880024da008 R15: ffff8880024da000
[   44.104119][  T417] FS:  00007fbf5e718800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.104466][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.104717][  T417] CR2: 00007fdaed7efb40 CR3: 000000000a9e4003 CR4: 0000000000772ef0
[   44.105018][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.105330][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.105621][  T417] PKRU: 55555554
[   44.105771][  T417] Call Trace:
[   44.105920][  T417]  <TASK>
[ 44.106027][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.106224][ T417] ? __warn (kernel/panic.c:748) 
[ 44.106391][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.106595][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.106802][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.106960][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.107161][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.107382][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.107576][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.107793][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.108036][ T417] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.108238][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.108453][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.108655][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.108866][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.109086][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.109360][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.109632][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.109891][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.110145][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.110410][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.110655][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.110914][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.111182][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.111404][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.111608][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.111863][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.112067][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.112330][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.112544][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.112749][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.113007][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.113208][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.113423][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.113631][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.113826][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.114063][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.114305][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.114572][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.114775][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.114973][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.115173][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.115393][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.115547][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.115748][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.115954][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.116105][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.116318][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.116518][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.116725][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.116933][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.117139][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.117358][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.117569][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.117794][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.118008][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.118208][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.118428][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.118623][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.118834][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.119034][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.119234][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.119493][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.119690][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.119927][  T417] RIP: 0033:0x7fbf5e924a4a
[ 44.120133][ T417] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.120797][  T417] RSP: 002b:00007ffc63843408 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.121086][  T417] RAX: ffffffffffffffda RBX: 0000000012926b00 RCX: 00007fbf5e924a4a
[   44.121377][  T417] RDX: 0000000000000034 RSI: 0000000012926b00 RDI: 0000000000000005
[   44.121660][  T417] RBP: 0000000012926910 R08: 00007fbf5eac8200 R09: 000000000000000c
[   44.121947][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.122225][  T417] R13: 0000000012926910 R14: 0000000000000000 R15: 0000000000000001
| [   44.137490][  T417] ------------[ cut here ]------------
| [ 44.137818][ T417] WARNING: CPU: 3 PID: 417 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.138201][  T417] Modules linked in: netdevsim
| [   44.138746][  T417] Tainted: [W]=WARN
[   44.138891][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.139126][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.139391][ T417] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.140055][  T417] RSP: 0018:ffffc900009b71e8 EFLAGS: 00010246
[   44.140297][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.140589][  T417] RDX: 0000000000000000 RSI: ffff88800d8dac98 RDI: ffff88800a958b00
[   44.140879][  T417] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.141162][  T417] R10: ffffffffa55ec1e7 R11: ffff88800a958040 R12: 0000000000000000
[   44.141450][  T417] R13: ffff88800d8da128 R14: ffff88800d8da008 R15: ffff88800d8da000
[   44.141737][  T417] FS:  00007fbf5e718800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.142076][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.142330][  T417] CR2: 00007fdaed7efb40 CR3: 000000000a9e4003 CR4: 0000000000772ef0
[   44.142624][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.142910][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.143213][  T417] PKRU: 55555554
[   44.143366][  T417] Call Trace:
[   44.143510][  T417]  <TASK>
[ 44.143609][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.143799][ T417] ? __warn (kernel/panic.c:748) 
[ 44.143952][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.144147][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.144359][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.144514][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.144714][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.144921][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.145112][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.145320][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.145567][ T417] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.145765][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.145966][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.146167][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.146384][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.146598][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.146852][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.147126][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.147397][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.147655][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.147906][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.148162][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.148421][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.148692][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.148893][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.149094][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.149355][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.149553][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.149802][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.150009][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.150212][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.150475][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.150674][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.150889][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.151091][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.151292][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.151551][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.151794][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.152043][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.152247][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.152446][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.152648][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.152856][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.153012][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.153205][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.153415][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.153565][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.153761][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.153967][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.154179][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.154394][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.154591][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.154792][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.155002][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.155209][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.155419][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.155617][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.155825][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.156021][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.156229][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.156431][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.156636][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.156877][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.157070][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.157322][  T417] RIP: 0033:0x7fbf5e924a4a
[ 44.157525][ T417] Code: Unable to access opcode bytes at 0x7fbf5e924a20.

Code starting with the faulting instruction
===========================================
[   44.157778][  T417] RSP: 002b:00007ffc63843408 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.158068][  T417] RAX: ffffffffffffffda RBX: 0000000012926b00 RCX: 00007fbf5e924a4a
[   44.158361][  T417] RDX: 0000000000000034 RSI: 0000000012926b00 RDI: 0000000000000005
[   44.158650][  T417] RBP: 0000000012926910 R08: 00007fbf5eac8200 R09: 000000000000000c
[   44.158941][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.159226][  T417] R13: 0000000012926910 R14: 0000000000000000 R15: 0000000000000001
| [   44.172414][  T417] ------------[ cut here ]------------
| [ 44.172646][ T417] WARNING: CPU: 3 PID: 417 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.173040][  T417] Modules linked in: netdevsim
| [   44.173592][  T417] Tainted: [W]=WARN
[   44.173743][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.173996][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.174245][ T417] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.174944][  T417] RSP: 0018:ffffc900009b71e8 EFLAGS: 00010246
[   44.175191][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.175494][  T417] RDX: 0000000000000000 RSI: ffff88800a2bac98 RDI: ffff88800a958b00
[   44.175789][  T417] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.176076][  T417] R10: ffffffffa55ec1e7 R11: ffff88800a958040 R12: 0000000000000000
[   44.176368][  T417] R13: ffff88800a2ba128 R14: ffff88800a2ba008 R15: ffff88800a2ba000
[   44.176650][  T417] FS:  00007fbf5e718800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.176972][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.177212][  T417] CR2: 00007fbf5e924a20 CR3: 000000000a9e4003 CR4: 0000000000772ef0
[   44.177505][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.177804][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.178091][  T417] PKRU: 55555554
[   44.178238][  T417] Call Trace:
[   44.178396][  T417]  <TASK>
[ 44.178502][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.178703][ T417] ? __warn (kernel/panic.c:748) 
[ 44.178852][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.179061][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.179272][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.179434][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.179628][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.179830][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.180023][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.180222][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.180485][ T417] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.180682][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.180879][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.181083][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.181282][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.181499][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.181748][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.182016][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.182275][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.182568][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.182812][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.183090][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.183346][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.183616][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.183827][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.184024][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.184273][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.184474][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.184717][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.184927][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.185131][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.185390][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.185584][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.185780][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.185973][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.186167][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.186408][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.186652][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.186912][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.187128][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.187329][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.187524][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.187739][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.187886][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.188080][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.188288][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.188448][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.188652][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.188859][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.189061][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.189259][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.189479][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.189678][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.189877][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.190081][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.190284][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.190504][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.190703][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.190900][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.191133][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.191346][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.191550][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.191800][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.191996][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.192235][  T417] RIP: 0033:0x7fbf5e924a4a
[ 44.192451][ T417] Code: Unable to access opcode bytes at 0x7fbf5e924a20.

Code starting with the faulting instruction
===========================================
[   44.192706][  T417] RSP: 002b:00007ffc63843408 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.192997][  T417] RAX: ffffffffffffffda RBX: 0000000012926b00 RCX: 00007fbf5e924a4a
[   44.193283][  T417] RDX: 0000000000000034 RSI: 0000000012926b00 RDI: 0000000000000005
[   44.193585][  T417] RBP: 0000000012926910 R08: 00007fbf5eac8200 R09: 000000000000000c
[   44.193874][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.194169][  T417] R13: 0000000012926910 R14: 0000000000000000 R15: 0000000000000001
| [   44.214222][  T417] ------------[ cut here ]------------
| [ 44.214546][ T417] WARNING: CPU: 3 PID: 417 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.214959][  T417] Modules linked in: netdevsim
| [   44.215520][  T417] Tainted: [W]=WARN
[   44.215665][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.215906][ T417] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.216164][ T417] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.216849][  T417] RSP: 0018:ffffc900009b71e8 EFLAGS: 00010246
[   44.217123][  T417] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.217420][  T417] RDX: 0000000000000000 RSI: ffff88800b43ac98 RDI: ffff88800a958b00
[   44.217724][  T417] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.218006][  T417] R10: ffffffffa55ec1e7 R11: ffff88800a958040 R12: 0000000000000000
[   44.218291][  T417] R13: ffff88800b43a128 R14: ffff88800b43a008 R15: ffff88800b43a000
[   44.218593][  T417] FS:  00007fbf5e718800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.218940][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.219193][  T417] CR2: 00007fbf5e924a20 CR3: 000000000a9e4003 CR4: 0000000000772ef0
[   44.219490][  T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.219781][  T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.220067][  T417] PKRU: 55555554
[   44.220214][  T417] Call Trace:
[   44.220367][  T417]  <TASK>
[ 44.220466][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.220665][ T417] ? __warn (kernel/panic.c:748) 
[ 44.220815][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.221013][ T417] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.221210][ T417] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.221364][ T417] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.221555][ T417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.221757][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.221950][ T417] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.222145][ T417] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.222395][ T417] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.222601][ T417] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.222798][ T417] register_netdevice (net/core/dev.c:11003) 
[ 44.223024][ T417] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.223233][ T417] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.223449][ T417] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.223696][ T417] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.223957][ T417] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.224211][ T417] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.224488][ T417] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.224755][ T417] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.225010][ T417] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.225277][ T417] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 44.225556][ T417] devlink_reload (net/devlink/dev.c:474) 
[ 44.225763][ T417] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.225952][ T417] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.226198][ T417] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.226399][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.226650][ T417] ? __nla_parse (lib/nlattr.c:732) 
[ 44.226860][ T417] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.227089][ T417] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.227355][ T417] ? cap_capable (security/commoncap.c:131) 
[ 44.227550][ T417] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.227775][ T417] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.227975][ T417] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.228173][ T417] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.228430][ T417] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.228666][ T417] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.228918][ T417] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.229122][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.229327][ T417] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.229528][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.229751][ T417] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.229899][ T417] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.230095][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.230299][ T417] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.230454][ T417] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.230664][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.230870][ T417] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.231109][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.231321][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.231512][ T417] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.231707][ T417] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.231915][ T417] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.232138][ T417] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.232349][ T417] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 44.232544][ T417] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.232749][ T417] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 44.232949][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.233146][ T417] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.233368][ T417] __x64_sys_sendto (net/socket.c:2181) 
[ 44.233567][ T417] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.233804][ T417] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.234001][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.234245][  T417] RIP: 0033:0x7fbf5e924a4a
[ 44.234458][ T417] Code: Unable to access opcode bytes at 0x7fbf5e924a20.

Code starting with the faulting instruction
===========================================
[   44.234701][  T417] RSP: 002b:00007ffc63843408 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.235027][  T417] RAX: ffffffffffffffda RBX: 0000000012926b00 RCX: 00007fbf5e924a4a
[   44.235325][  T417] RDX: 0000000000000034 RSI: 0000000012926b00 RDI: 0000000000000005
[   44.235617][  T417] RBP: 0000000012926910 R08: 00007fbf5eac8200 R09: 000000000000000c
[   44.235906][  T417] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.236185][  T417] R13: 0000000012926910 R14: 0000000000000000 R15: 0000000000000001
| [   44.715219][  T430] ------------[ cut here ]------------
| [ 44.715532][ T430] WARNING: CPU: 0 PID: 430 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.715944][  T430] Modules linked in: netdevsim
| [   44.716536][  T430] Tainted: [W]=WARN
[   44.716698][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.716953][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.717215][ T430] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.717938][  T430] RSP: 0018:ffffc900009f71e8 EFLAGS: 00010246
[   44.718197][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.718519][  T430] RDX: 0000000000000000 RSI: ffff888005ea2c98 RDI: ffff88800be62dc0
[   44.718821][  T430] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.719121][  T430] R10: ffffffffa55ec1e7 R11: ffff88800be62300 R12: 0000000000000000
[   44.719431][  T430] R13: ffff888005ea2128 R14: ffff888005ea2008 R15: ffff888005ea2000
[   44.719733][  T430] FS:  00007fcbe7e1f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.720084][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.720351][  T430] CR2: 00007fdaedac2a00 CR3: 0000000009c88005 CR4: 0000000000772ef0
[   44.720654][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.720958][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.721267][  T430] PKRU: 55555554
[   44.721430][  T430] Call Trace:
[   44.721589][  T430]  <TASK>
[ 44.721693][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.721900][ T430] ? __warn (kernel/panic.c:748) 
[ 44.722059][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.722264][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.722485][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.722643][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.722846][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.723062][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.723266][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.723488][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.723744][ T430] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.723962][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.724182][ T430] register_netdevice (net/core/dev.c:11003) 
[ 44.724400][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.724617][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.724839][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.725101][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.725384][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.725651][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.725911][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.726178][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.726438][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.726695][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 44.726904][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 44.727175][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 44.727391][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.727599][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.727868][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.728080][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.728342][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 44.728555][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.728767][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.729035][ T430] ? cap_capable (security/commoncap.c:131) 
[ 44.729240][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.729468][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.729673][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.729877][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.730138][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.730397][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.730661][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.730865][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.731072][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.731281][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.731511][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.731666][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.731874][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.732087][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.732246][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.732462][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.732665][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.732876][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.733088][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.733288][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.733502][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.733716][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.733938][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.734152][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.734370][ T430] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.734584][ T430] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.734834][ T430] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.735042][ T430] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.735304][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 44.735517][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.735767][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.735970][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.736227][  T430] RIP: 0033:0x7fcbe802ba4a
[ 44.736446][ T430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.737195][  T430] RSP: 002b:00007ffed4361cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.737531][  T430] RAX: ffffffffffffffda RBX: 0000000005bc5b00 RCX: 00007fcbe802ba4a
[   44.737873][  T430] RDX: 0000000000000034 RSI: 0000000005bc5b00 RDI: 0000000000000005
[   44.738185][  T430] RBP: 0000000005bc5910 R08: 00007fcbe81cf200 R09: 000000000000000c
[   44.738494][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.738796][  T430] R13: 0000000005bc5910 R14: 0000000000000000 R15: 0000000000000001
| [   44.751442][  T430] ------------[ cut here ]------------
| [ 44.751672][ T430] WARNING: CPU: 0 PID: 430 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.752069][  T430] Modules linked in: netdevsim
| [   44.752652][  T430] Tainted: [W]=WARN
[   44.752806][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.753061][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.753328][ T430] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.754051][  T430] RSP: 0018:ffffc900009f71e8 EFLAGS: 00010246
[   44.754318][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.754623][  T430] RDX: 0000000000000000 RSI: ffff88800a3aac98 RDI: ffff88800be62dc0
[   44.754923][  T430] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.755223][  T430] R10: ffffffffa55ec1e7 R11: ffff88800be62300 R12: 0000000000000000
[   44.755534][  T430] R13: ffff88800a3aa128 R14: ffff88800a3aa008 R15: ffff88800a3aa000
[   44.755837][  T430] FS:  00007fcbe7e1f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.756183][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.756453][  T430] CR2: 00007fdaedac2a00 CR3: 0000000009c88005 CR4: 0000000000772ef0
[   44.756756][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.757061][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.757369][  T430] PKRU: 55555554
[   44.757523][  T430] Call Trace:
[   44.757686][  T430]  <TASK>
[ 44.757791][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.757994][ T430] ? __warn (kernel/panic.c:748) 
[ 44.758150][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.758363][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.758572][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.758727][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.758929][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.759152][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.759365][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.759571][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.759829][ T430] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.760035][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.760241][ T430] register_netdevice (net/core/dev.c:11003) 
[ 44.760461][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.760675][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.760895][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.761158][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.761438][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.761699][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.761964][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.762219][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.762474][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.762729][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 44.762931][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 44.763199][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 44.763425][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.763631][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.763890][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.764095][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.764357][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 44.764568][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.764774][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.765056][ T430] ? cap_capable (security/commoncap.c:131) 
[ 44.765258][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.765478][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.765685][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.765890][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.766142][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.766398][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.766661][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.766864][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.767063][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.767270][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.767495][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.767655][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.767860][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.768072][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.768223][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.768437][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.768643][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.768852][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.769060][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.769264][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.769486][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.769696][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.769900][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.770114][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.770330][ T430] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.770534][ T430] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.770783][ T430] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.770987][ T430] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.771252][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 44.771464][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.771715][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.771918][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.772178][  T430] RIP: 0033:0x7fcbe802ba4a
[ 44.772393][ T430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.773092][  T430] RSP: 002b:00007ffed4361cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.773402][  T430] RAX: ffffffffffffffda RBX: 0000000005bc5b00 RCX: 00007fcbe802ba4a
[   44.773699][  T430] RDX: 0000000000000034 RSI: 0000000005bc5b00 RDI: 0000000000000005
[   44.774002][  T430] RBP: 0000000005bc5910 R08: 00007fcbe81cf200 R09: 000000000000000c
[   44.774296][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.774797][  T430] R13: 0000000005bc5910 R14: 0000000000000000 R15: 0000000000000001
| [   44.785173][  T430] ------------[ cut here ]------------
| [ 44.785440][ T430] WARNING: CPU: 0 PID: 430 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.785848][  T430] Modules linked in: netdevsim
| [   44.786423][  T430] Tainted: [W]=WARN
[   44.786579][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.786837][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.787097][ T430] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.787818][  T430] RSP: 0018:ffffc900009f71e8 EFLAGS: 00010246
[   44.788078][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.788391][  T430] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff88800be62dc0
[   44.788700][  T430] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.789008][  T430] R10: ffffffffa55ec1e7 R11: ffff88800be62300 R12: 0000000000000000
[   44.789316][  T430] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[   44.789618][  T430] FS:  00007fcbe7e1f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.789967][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.790220][  T430] CR2: 00007fdaedac2a00 CR3: 0000000009c88005 CR4: 0000000000772ef0
[   44.790533][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.790833][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.791133][  T430] PKRU: 55555554
[   44.791284][  T430] Call Trace:
[   44.791451][  T430]  <TASK>
[ 44.791556][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.791765][ T430] ? __warn (kernel/panic.c:748) 
[ 44.791921][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.792131][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.792347][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.792502][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.792706][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.792923][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.793136][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.793357][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.793618][ T430] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.793825][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.794031][ T430] register_netdevice (net/core/dev.c:11003) 
[ 44.794246][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.794470][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.794695][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.794957][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.795226][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.795499][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.795763][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.796028][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.796276][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.796539][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 44.796738][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 44.797002][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 44.797211][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.797431][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.797692][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.797899][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.798154][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 44.798396][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.798605][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.798870][ T430] ? cap_capable (security/commoncap.c:131) 
[ 44.799077][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.799284][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.799499][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.799703][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.799953][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.800207][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.800485][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.800689][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.800890][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.801097][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.801322][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.801477][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.801684][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.801901][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.802071][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.802292][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.802520][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.802745][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.802967][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.803181][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.803406][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.803618][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.803829][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.804046][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.804251][ T430] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.804466][ T430] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.804715][ T430] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.804925][ T430] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.805182][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 44.805403][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.805654][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.805857][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.806103][  T430] RIP: 0033:0x7fcbe802ba4a
[ 44.806342][ T430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.807041][  T430] RSP: 002b:00007ffed4361cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.807361][  T430] RAX: ffffffffffffffda RBX: 0000000005bc5b00 RCX: 00007fcbe802ba4a
[   44.807668][  T430] RDX: 0000000000000034 RSI: 0000000005bc5b00 RDI: 0000000000000005
[   44.807967][  T430] RBP: 0000000005bc5910 R08: 00007fcbe81cf200 R09: 000000000000000c
[   44.808276][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.808584][  T430] R13: 0000000005bc5910 R14: 0000000000000000 R15: 0000000000000001
| [   44.831035][  T430] ------------[ cut here ]------------
| [ 44.831268][ T430] WARNING: CPU: 3 PID: 430 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   44.831663][  T430] Modules linked in: netdevsim
| [   44.832196][  T430] Tainted: [W]=WARN
[   44.832359][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.832595][ T430] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.832834][ T430] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   44.833498][  T430] RSP: 0018:ffffc900009f71e8 EFLAGS: 00010246
[   44.833741][  T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.834026][  T430] RDX: 0000000000000000 RSI: ffff888004eaac98 RDI: ffff88800be62dc0
[   44.834304][  T430] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   44.834593][  T430] R10: ffffffffa55ec1e7 R11: ffff88800be62300 R12: 0000000000000000
[   44.834877][  T430] R13: ffff888004eaa128 R14: ffff888004eaa008 R15: ffff888004eaa000
[   44.835162][  T430] FS:  00007fcbe7e1f800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.835495][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.835731][  T430] CR2: 0000560064f17640 CR3: 0000000009c88002 CR4: 0000000000772ef0
[   44.836017][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.836294][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.836578][  T430] PKRU: 55555554
[   44.836722][  T430] Call Trace:
[   44.836864][  T430]  <TASK>
[ 44.836962][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.837150][ T430] ? __warn (kernel/panic.c:748) 
[ 44.837321][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.837511][ T430] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.837719][ T430] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.837864][ T430] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.838051][ T430] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.838250][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.838448][ T430] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.838649][ T430] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.838885][ T430] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.839085][ T430] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.839279][ T430] register_netdevice (net/core/dev.c:11003) 
[ 44.839483][ T430] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.839681][ T430] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.839888][ T430] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.840145][ T430] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.840406][ T430] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.840655][ T430] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.840898][ T430] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.841135][ T430] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.841384][ T430] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.841620][ T430] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 44.841808][ T430] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 44.842056][ T430] devlink_reload (net/devlink/dev.c:474) 
[ 44.842248][ T430] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.842449][ T430] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 44.842700][ T430] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.842901][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.843168][ T430] ? __nla_parse (lib/nlattr.c:732) 
[ 44.843377][ T430] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.843574][ T430] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.843821][ T430] ? cap_capable (security/commoncap.c:131) 
[ 44.844010][ T430] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.844212][ T430] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.844414][ T430] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.844606][ T430] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.844837][ T430] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.845076][ T430] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.845329][ T430] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.845524][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.845718][ T430] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.845909][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.846109][ T430] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.846253][ T430] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.846457][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.846652][ T430] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.846793][ T430] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.846992][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.847188][ T430] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.847392][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.847584][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.847780][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.847983][ T430] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.848186][ T430] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.848391][ T430] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.848599][ T430] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.848791][ T430] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.848987][ T430] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.849229][ T430] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 44.849430][ T430] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.849674][ T430] __x64_sys_sendto (net/socket.c:2181) 
[ 44.849864][ T430] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.850103][ T430] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.850298][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.850553][  T430] RIP: 0033:0x7fcbe802ba4a
[ 44.850750][ T430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.851417][  T430] RSP: 002b:00007ffed4361cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.851741][  T430] RAX: ffffffffffffffda RBX: 0000000005bc5b00 RCX: 00007fcbe802ba4a
[   44.852023][  T430] RDX: 0000000000000034 RSI: 0000000005bc5b00 RDI: 0000000000000005
[   44.852319][  T430] RBP: 0000000005bc5910 R08: 00007fcbe81cf200 R09: 000000000000000c
[   44.852605][  T430] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.852885][  T430] R13: 0000000005bc5910 R14: 0000000000000000 R15: 0000000000000001
| [   45.593735][  T455] ------------[ cut here ]------------
| [ 45.594080][ T455] WARNING: CPU: 2 PID: 455 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   45.594515][  T455] Modules linked in: netdevsim
| [   45.595104][  T455] Tainted: [W]=WARN
[   45.595270][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.595544][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.595812][ T455] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   45.596498][  T455] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   45.596757][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.597053][  T455] RDX: 0000000000000000 RSI: ffff88800a2bac98 RDI: ffff888007858b00
[   45.597384][  T455] RBP: ffff88800a870040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   45.597696][  T455] R10: ffffffffa55ec1e7 R11: ffff888007858040 R12: 0000000000000000
[   45.597993][  T455] R13: ffff88800a2ba128 R14: ffff88800a2ba008 R15: ffff88800a2ba000
[   45.598290][  T455] FS:  00007f739ff9b800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.598650][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.598914][  T455] CR2: 00007fdaedac2a00 CR3: 0000000009586002 CR4: 0000000000772ef0
[   45.599223][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.599538][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.599837][  T455] PKRU: 55555554
[   45.599997][  T455] Call Trace:
[   45.600158][  T455]  <TASK>
[ 45.600272][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.600491][ T455] ? __warn (kernel/panic.c:748) 
[ 45.600660][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.600870][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.601109][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.601276][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.601494][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.601774][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.602017][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.602229][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.602503][ T455] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.602714][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.602926][ T455] register_netdevice (net/core/dev.c:11003) 
[ 45.603143][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.603375][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.603601][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.603867][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.604133][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.604414][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.604676][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.604939][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.605205][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.605485][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 45.605695][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.605901][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.606116][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.606331][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.606510][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.606721][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.606973][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 45.607189][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.607419][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.607710][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.607916][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.608132][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.608353][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.608561][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.608809][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.609056][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.609332][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.609540][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.609748][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.609955][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.610173][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.610349][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.610566][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.610776][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.610939][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.611147][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.611369][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.611580][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.611786][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.611989][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.612199][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.612426][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.612636][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.612839][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.613039][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.613263][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.613491][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.613740][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.613942][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.614204][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 45.614416][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.614667][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.614879][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.615140][  T455] RIP: 0033:0x7f73a01a7a4a
[ 45.615363][ T455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.616037][  T455] RSP: 002b:00007ffd185940a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.616351][  T455] RAX: ffffffffffffffda RBX: 0000000030bcdb00 RCX: 00007f73a01a7a4a
[   45.616645][  T455] RDX: 000000000000003c RSI: 0000000030bcdb00 RDI: 0000000000000005
[   45.616948][  T455] RBP: 0000000030bcd910 R08: 00007f73a034b200 R09: 000000000000000c
[   45.617249][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.617553][  T455] R13: 0000000030bcd910 R14: 0000000000000000 R15: 0000000000000001
| [   45.633266][  T455] ------------[ cut here ]------------
| [ 45.633545][ T455] WARNING: CPU: 2 PID: 455 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   45.633944][  T455] Modules linked in: netdevsim
| [   45.634525][  T455] Tainted: [W]=WARN
[   45.634685][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.634937][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.635198][ T455] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   45.635883][  T455] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   45.636136][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.636436][  T455] RDX: 0000000000000000 RSI: ffff88800d8dac98 RDI: ffff888007858b00
[   45.636735][  T455] RBP: ffff88800a870040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   45.637034][  T455] R10: ffffffffa55ec1e7 R11: ffff888007858040 R12: 0000000000000000
[   45.637341][  T455] R13: ffff88800d8da128 R14: ffff88800d8da008 R15: ffff88800d8da000
[   45.637641][  T455] FS:  00007f739ff9b800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.637997][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.638248][  T455] CR2: 0000560064ef4100 CR3: 0000000009586002 CR4: 0000000000772ef0
[   45.638569][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.638864][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.639168][  T455] PKRU: 55555554
[   45.639339][  T455] Call Trace:
[   45.639499][  T455]  <TASK>
[ 45.639616][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.639823][ T455] ? __warn (kernel/panic.c:748) 
[ 45.639984][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.640191][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.640412][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.640572][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.640781][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.640995][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.641200][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.641419][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.641671][ T455] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.641877][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.642090][ T455] register_netdevice (net/core/dev.c:11003) 
[ 45.642404][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.642623][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.642844][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.643106][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.643383][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.643654][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.643913][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.644167][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.644429][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.644694][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 45.644903][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.645112][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.645336][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.645538][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.645706][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.645913][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.646161][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 45.646385][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.646598][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.646864][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.647063][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.647276][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.647492][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.647705][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.647953][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.648207][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.648477][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.648684][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.648887][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.649096][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.649326][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.649490][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.649705][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.649918][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.650077][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.650282][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.650499][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.650718][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.650932][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.651136][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.651356][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.651571][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.651782][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.651985][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.652185][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.652413][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.652626][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.652883][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.653088][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.653363][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 45.653569][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.653817][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.654022][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.654270][  T455] RIP: 0033:0x7f73a01a7a4a
[ 45.654500][ T455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.655178][  T455] RSP: 002b:00007ffd185940a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.655484][  T455] RAX: ffffffffffffffda RBX: 0000000030bcdb00 RCX: 00007f73a01a7a4a
[   45.655793][  T455] RDX: 000000000000003c RSI: 0000000030bcdb00 RDI: 0000000000000005
[   45.656088][  T455] RBP: 0000000030bcd910 R08: 00007f73a034b200 R09: 000000000000000c
[   45.656394][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.656691][  T455] R13: 0000000030bcd910 R14: 0000000000000000 R15: 0000000000000001
| [   45.670675][  T455] ------------[ cut here ]------------
| [ 45.670930][ T455] WARNING: CPU: 2 PID: 455 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   45.671346][  T455] Modules linked in: netdevsim
| [   45.671903][  T455] Tainted: [W]=WARN
[   45.672060][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.672318][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.672573][ T455] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   45.673241][  T455] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   45.673502][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.673794][  T455] RDX: 0000000000000000 RSI: ffff88800bfbac98 RDI: ffff888007858b00
[   45.674093][  T455] RBP: ffff88800a870040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   45.674396][  T455] R10: ffffffffa55ec1e7 R11: ffff888007858040 R12: 0000000000000000
[   45.674687][  T455] R13: ffff88800bfba128 R14: ffff88800bfba008 R15: ffff88800bfba000
[   45.674977][  T455] FS:  00007f739ff9b800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.675333][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.675590][  T455] CR2: 0000560064ef1160 CR3: 0000000009586002 CR4: 0000000000772ef0
[   45.675886][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.676182][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.676488][  T455] PKRU: 55555554
[   45.676651][  T455] Call Trace:
[   45.676808][  T455]  <TASK>
[ 45.676919][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.677119][ T455] ? __warn (kernel/panic.c:748) 
[ 45.677279][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.677498][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.677728][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.677888][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.678100][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.678328][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.678540][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.678749][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.679007][ T455] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.679216][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.680219][ T455] register_netdevice (net/core/dev.c:11003) 
[ 45.680532][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.680828][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.681128][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.681482][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.681825][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.682165][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.682536][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.682872][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.683198][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.683554][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 45.683841][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.684120][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.684430][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.684712][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.684959][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.685243][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.685591][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 45.685887][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.686174][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.686600][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.686880][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.687171][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.687472][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.687763][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.688096][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.688473][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.688818][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.689104][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.689401][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.689688][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.689987][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.690227][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.690532][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.690832][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.691070][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.691373][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.691654][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.691947][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.692226][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.692519][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.692816][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.693108][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.693417][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.693624][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.693826][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.694041][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.694248][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.694526][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.694732][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.694997][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 45.695198][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.695457][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.695663][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.695911][  T455] RIP: 0033:0x7f73a01a7a4a
[ 45.696127][ T455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.696809][  T455] RSP: 002b:00007ffd185940a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.697108][  T455] RAX: ffffffffffffffda RBX: 0000000030bcdb00 RCX: 00007f73a01a7a4a
[   45.697421][  T455] RDX: 000000000000003c RSI: 0000000030bcdb00 RDI: 0000000000000005
[   45.697720][  T455] RBP: 0000000030bcd910 R08: 00007f73a034b200 R09: 000000000000000c
[   45.698012][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.698302][  T455] R13: 0000000030bcd910 R14: 0000000000000000 R15: 0000000000000001
| [   45.730602][  T455] ------------[ cut here ]------------
| [ 45.730912][ T455] WARNING: CPU: 1 PID: 455 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   45.731287][  T455] Modules linked in: netdevsim
| [   45.731864][  T455] Tainted: [W]=WARN
[   45.732009][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.732253][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.732562][ T455] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   45.733214][  T455] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   45.733462][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.733746][  T455] RDX: 0000000000000000 RSI: ffff88800b432c98 RDI: ffff888007858b00
[   45.734025][  T455] RBP: ffff88800a870040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   45.734315][  T455] R10: ffffffffa55ec1e7 R11: ffff888007858040 R12: 0000000000000000
[   45.734595][  T455] R13: ffff88800b432128 R14: ffff88800b432008 R15: ffff88800b432000
[   45.734886][  T455] FS:  00007f739ff9b800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   45.735213][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.735460][  T455] CR2: 0000560064ef4100 CR3: 0000000009586003 CR4: 0000000000772ef0
[   45.735742][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.736022][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.736315][  T455] PKRU: 55555554
[   45.736459][  T455] Call Trace:
[   45.736600][  T455]  <TASK>
[ 45.736700][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.736890][ T455] ? __warn (kernel/panic.c:748) 
[ 45.737036][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.737227][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.737438][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.737585][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.737783][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.737985][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.738176][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.738378][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.738618][ T455] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.738827][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.739024][ T455] register_netdevice (net/core/dev.c:11003) 
[ 45.739218][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.739425][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.739632][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.739875][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.740132][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.740387][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.740634][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.740872][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.741105][ T455] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.741359][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 45.741562][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.741750][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.741945][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.742144][ T455] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.742300][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.742507][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.742748][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 45.742951][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.743153][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.743410][ T455] ? cap_capable (security/commoncap.c:131) 
[ 45.743597][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.743794][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.743985][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.744172][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.744423][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.744658][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.744902][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.745095][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.745288][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.745496][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.745700][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.745850][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.746045][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.746240][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.746391][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.746585][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.746778][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.746974][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.747174][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.747375][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.747567][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.747775][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.747967][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.748160][ T455] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.748358][ T455] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.748557][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.748759][ T455] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.748991][ T455] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.749180][ T455] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.749435][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 45.749626][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.749857][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.750054][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.750287][  T455] RIP: 0033:0x7f73a01a7a4a
[ 45.750493][ T455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.751151][  T455] RSP: 002b:00007ffd185940a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.751450][  T455] RAX: ffffffffffffffda RBX: 0000000030bcdb00 RCX: 00007f73a01a7a4a
[   45.751734][  T455] RDX: 000000000000003c RSI: 0000000030bcdb00 RDI: 0000000000000005
[   45.752012][  T455] RBP: 0000000030bcd910 R08: 00007f73a034b200 R09: 000000000000000c
[   45.752287][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.752582][  T455] R13: 0000000030bcd910 R14: 0000000000000000 R15: 0000000000000001
| [   46.043492][  T461] ------------[ cut here ]------------
| [ 46.043825][ T461] WARNING: CPU: 2 PID: 461 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   46.044226][  T461] Modules linked in: netdevsim
| [   46.044819][  T461] Tainted: [W]=WARN
[   46.044976][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.045242][ T461] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.045515][ T461] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   46.046197][  T461] RSP: 0018:ffffc90000a971e8 EFLAGS: 00010246
[   46.046478][  T461] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.046773][  T461] RDX: 0000000000000000 RSI: ffff88800d932c98 RDI: ffff88800b62d080
[   46.047070][  T461] RBP: ffff88800a871840 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.047398][  T461] R10: ffffffffa55ec1e7 R11: ffff88800b62c5c0 R12: 0000000000000000
[   46.047736][  T461] R13: ffff88800d932128 R14: ffff88800d932008 R15: ffff88800d932000
[   46.048034][  T461] FS:  00007f6937ac3800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   46.048389][  T461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.048643][  T461] CR2: 00007f6937e73200 CR3: 000000000d984006 CR4: 0000000000772ef0
[   46.048937][  T461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.049236][  T461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.049543][  T461] PKRU: 55555554
[   46.049701][  T461] Call Trace:
[   46.049863][  T461]  <TASK>
[ 46.049975][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.050180][ T461] ? __warn (kernel/panic.c:748) 
[ 46.050367][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.050574][ T461] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.050783][ T461] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.050941][ T461] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.051142][ T461] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.051442][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.051724][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.051942][ T461] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.052196][ T461] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.052423][ T461] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.052636][ T461] register_netdevice (net/core/dev.c:11003) 
[ 46.052844][ T461] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.053071][ T461] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.053293][ T461] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.053566][ T461] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.053830][ T461] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.054123][ T461] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.054421][ T461] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.054680][ T461] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.054926][ T461] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.055205][ T461] devlink_reload (net/devlink/dev.c:474) 
[ 46.055431][ T461] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.055645][ T461] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.055866][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.056070][ T461] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.056243][ T461] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.056468][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.056718][ T461] ? __nla_parse (lib/nlattr.c:732) 
[ 46.056936][ T461] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.057144][ T461] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.057426][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.057640][ T461] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.057868][ T461] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.058094][ T461] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.058342][ T461] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.058617][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.058885][ T461] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.059174][ T461] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.059411][ T461] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.059644][ T461] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.059879][ T461] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.060113][ T461] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.060287][ T461] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.060527][ T461] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.060767][ T461] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.060941][ T461] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.061165][ T461] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.061400][ T461] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.061629][ T461] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.061855][ T461] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.062071][ T461] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.062291][ T461] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.062537][ T461] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.062749][ T461] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.062947][ T461] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.063151][ T461] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.063376][ T461] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.063587][ T461] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.063838][ T461] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.064102][ T461] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.064330][ T461] __x64_sys_sendto (net/socket.c:2181) 
[ 46.064536][ T461] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.064857][ T461] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.065211][ T461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.065655][  T461] RIP: 0033:0x7f6937ccfa4a
[ 46.065992][ T461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.067164][  T461] RSP: 002b:00007ffd0651b198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.067691][  T461] RAX: ffffffffffffffda RBX: 000000003dfffb00 RCX: 00007f6937ccfa4a
[   46.068191][  T461] RDX: 000000000000003c RSI: 000000003dfffb00 RDI: 0000000000000005
[   46.068710][  T461] RBP: 000000003dfff910 R08: 00007f6937e73200 R09: 000000000000000c
[   46.069193][  T461] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.069704][  T461] R13: 000000003dfff910 R14: 0000000000000000 R15: 0000000000000003
| [   46.088481][  T461] ------------[ cut here ]------------
| [ 46.088701][ T461] WARNING: CPU: 3 PID: 461 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   46.089073][  T461] Modules linked in: netdevsim
| [   46.089637][  T461] Tainted: [W]=WARN
[   46.089782][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.090017][ T461] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.090255][ T461] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   46.090922][  T461] RSP: 0018:ffffc90000a971e8 EFLAGS: 00010246
[   46.091159][  T461] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.091449][  T461] RDX: 0000000000000000 RSI: ffff88800d92ac98 RDI: ffff88800b62d080
[   46.091727][  T461] RBP: ffff88800a871840 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.092009][  T461] R10: ffffffffa55ec1e7 R11: ffff88800b62c5c0 R12: 0000000000000000
[   46.092289][  T461] R13: ffff88800d92a128 R14: ffff88800d92a008 R15: ffff88800d92a000
[   46.092576][  T461] FS:  00007f6937ac3800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.092903][  T461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.093142][  T461] CR2: 00007fdaed8d25a0 CR3: 000000000d984003 CR4: 0000000000772ef0
[   46.093429][  T461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.093707][  T461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.093988][  T461] PKRU: 55555554
[   46.094132][  T461] Call Trace:
[   46.094274][  T461]  <TASK>
[ 46.094385][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.094574][ T461] ? __warn (kernel/panic.c:748) 
[ 46.094722][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.094913][ T461] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.095109][ T461] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.095253][ T461] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.095452][ T461] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.095653][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.095850][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.096044][ T461] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.096285][ T461] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.096489][ T461] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.096681][ T461] register_netdevice (net/core/dev.c:11003) 
[ 46.096873][ T461] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.097075][ T461] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.097278][ T461] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.097530][ T461] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.097798][ T461] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.098044][ T461] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.098291][ T461] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.098551][ T461] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.098787][ T461] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.099035][ T461] devlink_reload (net/devlink/dev.c:474) 
[ 46.099227][ T461] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.099420][ T461] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.099617][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.099810][ T461] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.099962][ T461] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.100153][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.100398][ T461] ? __nla_parse (lib/nlattr.c:732) 
[ 46.100598][ T461] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.100792][ T461] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.101039][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.101233][ T461] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.101435][ T461] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.101629][ T461] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.101819][ T461] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.102051][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.102282][ T461] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.102548][ T461] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.102737][ T461] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.102922][ T461] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.103111][ T461] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.103322][ T461] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.103467][ T461] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.103668][ T461] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.103872][ T461] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.104023][ T461] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.104217][ T461] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.104418][ T461] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.104618][ T461] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.104813][ T461] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.105003][ T461] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.105200][ T461] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.105414][ T461] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.105607][ T461] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.105792][ T461] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.105976][ T461] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.106176][ T461] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.106378][ T461] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.106615][ T461] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.106860][ T461] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.107055][ T461] __x64_sys_sendto (net/socket.c:2181) 
[ 46.107242][ T461] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.107482][ T461] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.107683][ T461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.107913][  T461] RIP: 0033:0x7f6937ccfa4a
[ 46.108108][ T461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.108770][  T461] RSP: 002b:00007ffd0651b198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.109049][  T461] RAX: ffffffffffffffda RBX: 000000003dfffb00 RCX: 00007f6937ccfa4a
[   46.109334][  T461] RDX: 000000000000003c RSI: 000000003dfffb00 RDI: 0000000000000005
[   46.109616][  T461] RBP: 000000003dfff910 R08: 00007f6937e73200 R09: 000000000000000c
[   46.109891][  T461] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.110168][  T461] R13: 000000003dfff910 R14: 0000000000000000 R15: 0000000000000003
| [   46.132501][  T461] ------------[ cut here ]------------
| [ 46.132823][ T461] WARNING: CPU: 3 PID: 461 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   46.133200][  T461] Modules linked in: netdevsim
| [   46.133755][  T461] Tainted: [W]=WARN
[   46.133906][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.134147][ T461] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.134394][ T461] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   46.135045][  T461] RSP: 0018:ffffc90000a971e8 EFLAGS: 00010246
[   46.135285][  T461] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.135574][  T461] RDX: 0000000000000000 RSI: ffff88800a3bac98 RDI: ffff88800b62d080
[   46.135850][  T461] RBP: ffff88800a871840 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.136128][  T461] R10: ffffffffa55ec1e7 R11: ffff88800b62c5c0 R12: 0000000000000000
[   46.136414][  T461] R13: ffff88800a3ba128 R14: ffff88800a3ba008 R15: ffff88800a3ba000
[   46.136696][  T461] FS:  00007f6937ac3800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.137017][  T461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.137250][  T461] CR2: 00007fdaed8d25a0 CR3: 000000000d984003 CR4: 0000000000772ef0
[   46.137537][  T461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.137843][  T461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.138119][  T461] PKRU: 55555554
[   46.138260][  T461] Call Trace:
[   46.138413][  T461]  <TASK>
[ 46.138512][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.138702][ T461] ? __warn (kernel/panic.c:748) 
[ 46.138849][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.139044][ T461] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.139239][ T461] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.139395][ T461] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.139583][ T461] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.139783][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.139973][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.140167][ T461] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.140423][ T461] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.140616][ T461] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.140809][ T461] register_netdevice (net/core/dev.c:11003) 
[ 46.141004][ T461] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.141202][ T461] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.141415][ T461] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.141659][ T461] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.141913][ T461] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.142160][ T461] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.142415][ T461] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.142654][ T461] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.142886][ T461] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.143140][ T461] devlink_reload (net/devlink/dev.c:474) 
[ 46.143340][ T461] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.143526][ T461] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.143721][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.143907][ T461] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.144060][ T461] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.144251][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.144501][ T461] ? __nla_parse (lib/nlattr.c:732) 
[ 46.144699][ T461] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.144890][ T461] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.145138][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.145332][ T461] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.145529][ T461] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.145723][ T461] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.145916][ T461] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.146147][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.146390][ T461] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.146636][ T461] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.146826][ T461] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.147015][ T461] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.147205][ T461] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.147424][ T461] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.147568][ T461] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.147767][ T461] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.147965][ T461] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.148107][ T461] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.148299][ T461] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.148502][ T461] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.148705][ T461] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.148896][ T461] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.149081][ T461] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.149273][ T461] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.149478][ T461] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.149669][ T461] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.149854][ T461] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.150044][ T461] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.150251][ T461] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.150456][ T461] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.150696][ T461] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.150936][ T461] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.151131][ T461] __x64_sys_sendto (net/socket.c:2181) 
[ 46.151336][ T461] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.151576][ T461] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.151767][ T461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.152001][  T461] RIP: 0033:0x7f6937ccfa4a
[ 46.152195][ T461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.152855][  T461] RSP: 002b:00007ffd0651b198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.153140][  T461] RAX: ffffffffffffffda RBX: 000000003dfffb00 RCX: 00007f6937ccfa4a
[   46.153427][  T461] RDX: 000000000000003c RSI: 000000003dfffb00 RDI: 0000000000000005
[   46.153706][  T461] RBP: 000000003dfff910 R08: 00007f6937e73200 R09: 000000000000000c
[   46.153983][  T461] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.154267][  T461] R13: 000000003dfff910 R14: 0000000000000000 R15: 0000000000000003
| [   46.165147][  T461] ------------[ cut here ]------------
| [ 46.166119][ T461] WARNING: CPU: 3 PID: 461 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   46.166588][  T461] Modules linked in: netdevsim
| [   46.167111][  T461] Tainted: [W]=WARN
[   46.167255][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.167578][ T461] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.167828][ T461] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   46.168563][  T461] RSP: 0018:ffffc90000a971e8 EFLAGS: 00010246
[   46.168804][  T461] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.169088][  T461] RDX: 0000000000000000 RSI: ffff88800a8f2c98 RDI: ffff88800b62d080
[   46.169451][  T461] RBP: ffff88800a871840 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.169731][  T461] R10: ffffffffa55ec1e7 R11: ffff88800b62c5c0 R12: 0000000000000000
[   46.170005][  T461] R13: ffff88800a8f2128 R14: ffff88800a8f2008 R15: ffff88800a8f2000
[   46.170287][  T461] FS:  00007f6937ac3800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.170694][  T461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.170932][  T461] CR2: 00007fdaed8d25a0 CR3: 000000000d984003 CR4: 0000000000772ef0
[   46.171211][  T461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.171579][  T461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.171857][  T461] PKRU: 55555554
[   46.171999][  T461] Call Trace:
[   46.172144][  T461]  <TASK>
[ 46.172243][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.172518][ T461] ? __warn (kernel/panic.c:748) 
[ 46.172667][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.172859][ T461] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.173057][ T461] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.173200][ T461] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.173475][ T461] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.173679][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.173869][ T461] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.174061][ T461] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.174301][ T461] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.174590][ T461] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.174782][ T461] register_netdevice (net/core/dev.c:11003) 
[ 46.174975][ T461] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.175174][ T461] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.175462][ T461] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.175710][ T461] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.175965][ T461] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.176214][ T461] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.176548][ T461] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.176789][ T461] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.177021][ T461] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.177274][ T461] devlink_reload (net/devlink/dev.c:474) 
[ 46.177556][ T461] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.177749][ T461] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.177943][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.178130][ T461] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 46.178283][ T461] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.178562][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.178808][ T461] ? __nla_parse (lib/nlattr.c:732) 
[ 46.179007][ T461] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.179202][ T461] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.179533][ T461] ? cap_capable (security/commoncap.c:131) 
[ 46.179722][ T461] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.179921][ T461] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.180114][ T461] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.180404][ T461] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.180639][ T461] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.180871][ T461] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.181115][ T461] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.181392][ T461] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.181582][ T461] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.181772][ T461] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.181981][ T461] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.182127][ T461] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.182409][ T461] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.182606][ T461] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.182749][ T461] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.182944][ T461] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.183134][ T461] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.183421][ T461] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.183620][ T461] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.183808][ T461] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.184003][ T461] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.184199][ T461] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.184482][ T461] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.184669][ T461] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.184856][ T461] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.185061][ T461] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 46.185258][ T461] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 46.185577][ T461] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 46.185814][ T461] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 46.186011][ T461] __x64_sys_sendto (net/socket.c:2181) 
[ 46.186201][ T461] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.186524][ T461] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.186718][ T461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.186947][  T461] RIP: 0033:0x7f6937ccfa4a
[ 46.187141][ T461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.187895][  T461] RSP: 002b:00007ffd0651b198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.188186][  T461] RAX: ffffffffffffffda RBX: 000000003dfffb00 RCX: 00007f6937ccfa4a
[   46.188553][  T461] RDX: 000000000000003c RSI: 000000003dfffb00 RDI: 0000000000000005
[   46.188830][  T461] RBP: 000000003dfff910 R08: 00007f6937e73200 R09: 000000000000000c
[   46.189110][  T461] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.189482][  T461] R13: 000000003dfff910 R14: 0000000000000000 R15: 0000000000000003
| [   46.394584][   T11] ------------[ cut here ]------------
| [ 46.394878][ 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) 
| [   46.395225][   T11] Modules linked in: netdevsim
| [   46.395871][   T11] Tainted: [W]=WARN
[   46.396002][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.396220][   T11] Workqueue: netns cleanup_net
[ 46.396430][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.396646][ 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
[   46.397263][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   46.397486][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.397743][   T11] RDX: 0000000000000000 RSI: ffff888001fb2c98 RDI: ffff888001a82e10
[   46.397995][   T11] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.398246][   T11] R10: ffffffffa55ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   46.398509][   T11] R13: ffff888001fb2128 R14: ffff888001fb2008 R15: ffff888001fb2000
[   46.398763][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.399058][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.399269][   T11] CR2: 00007fff41495e78 CR3: 000000000a1b0001 CR4: 0000000000772ef0
[   46.399533][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.399784][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.400036][   T11] PKRU: 55555554
[   46.400167][   T11] Call Trace:
[   46.400299][   T11]  <TASK>
[ 46.400398][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.400572][ T11] ? __warn (kernel/panic.c:748) 
[ 46.400710][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.400881][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.401061][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.401197][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.401378][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.401564][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.401744][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.401966][ 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) 
[ 46.402145][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.402330][ T11] register_netdevice (net/core/dev.c:11003) 
[ 46.402507][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.402689][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.402875][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.403102][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.403338][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.403562][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.403785][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.404000][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.404207][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.404449][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 46.404624][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.404796][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.404977][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.405152][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.405390][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.405566][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.405741][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.405910][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.406087][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.406257][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.406448][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 46.406629][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.406805][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.406990][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 46.407168][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.407357][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.407529][ T11] kthread (kernel/kthread.c:464) 
[ 46.407672][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.407850][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.408023][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.408200][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.408381][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   46.417976][   T11] ------------[ cut here ]------------
| [ 46.418179][ 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) 
| [   46.419155][   T11] Modules linked in: netdevsim
| [   46.419752][   T11] Tainted: [W]=WARN
[   46.419881][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.420096][   T11] Workqueue: netns cleanup_net
[ 46.420274][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.420564][ 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
[   46.421144][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   46.421441][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.421690][   T11] RDX: 0000000000000000 RSI: ffff888008daac98 RDI: ffff888001a82e10
[   46.422016][   T11] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.422263][   T11] R10: ffffffffa55ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   46.422593][   T11] R13: ffff888008daa128 R14: ffff888008daa008 R15: ffff888008daa000
[   46.422842][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.423130][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.423413][   T11] CR2: 00007fff41495e78 CR3: 000000000a1b0001 CR4: 0000000000772ef0
[   46.423660][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.423910][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.424159][   T11] PKRU: 55555554
[   46.424286][   T11] Call Trace:
[   46.424495][   T11]  <TASK>
[ 46.424585][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.424756][ T11] ? __warn (kernel/panic.c:748) 
[ 46.424891][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.425069][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.425249][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.425455][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.425629][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.425810][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.425988][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.426204][ 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) 
[ 46.426463][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.426652][ T11] register_netdevice (net/core/dev.c:11003) 
[ 46.426827][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.427009][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.427198][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.427496][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.427743][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.427969][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.428192][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.428487][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.428700][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.428929][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 46.429179][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.429428][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.429611][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.429787][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.430012][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.430188][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.430440][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.430611][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.430791][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.431114][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.431295][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 46.431552][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.431728][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.431915][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 46.432180][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.432439][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.432615][ T11] kthread (kernel/kthread.c:464) 
[ 46.432747][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.432924][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.433096][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.433270][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.433515][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   46.445043][   T11] ------------[ cut here ]------------
| [ 46.445234][ 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) 
| [   46.445683][   T11] Modules linked in: netdevsim
| [   46.446207][   T11] Tainted: [W]=WARN
[   46.446353][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.446568][   T11] Workqueue: netns cleanup_net
[ 46.446753][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.446982][ 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
[   46.447577][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   46.447803][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.448057][   T11] RDX: 0000000000000000 RSI: ffff88800915ac98 RDI: ffff888001a82e10
[   46.448323][   T11] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.448580][   T11] R10: ffffffffa55ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   46.448833][   T11] R13: ffff88800915a128 R14: ffff88800915a008 R15: ffff88800915a000
[   46.449088][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.449392][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.449616][   T11] CR2: 00007fff41495e78 CR3: 000000002fd28004 CR4: 0000000000772ef0
[   46.449878][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.450140][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.450402][   T11] PKRU: 55555554
[   46.450536][   T11] Call Trace:
[   46.450664][   T11]  <TASK>
[ 46.450756][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.450929][ T11] ? __warn (kernel/panic.c:748) 
[ 46.451066][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.451243][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.451434][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.451574][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.451748][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.451935][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.452120][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.452350][ 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) 
[ 46.452533][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.452710][ T11] register_netdevice (net/core/dev.c:11003) 
[ 46.452887][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.453074][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.453269][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.453499][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.453730][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.453956][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.454187][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.454425][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.454640][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.454868][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 46.455046][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.455220][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.455410][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.455585][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.455808][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.455983][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.456162][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.456334][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.456508][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.456677][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.456858][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 46.457036][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.457204][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.457394][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 46.457573][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.457771][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.457944][ T11] kthread (kernel/kthread.c:464) 
[ 46.458122][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.458298][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.458482][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.458658][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.458826][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   46.468724][   T11] ------------[ cut here ]------------
| [ 46.468935][ 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) 
| [   46.469268][   T11] Modules linked in: netdevsim
| [   46.470521][   T11] Tainted: [W]=WARN
[   46.470652][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.470861][   T11] Workqueue: netns cleanup_net
[ 46.471041][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.471269][ 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
[   46.471937][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   46.472152][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.472480][   T11] RDX: 0000000000000000 RSI: ffff888004ea2c98 RDI: ffff888001a82e10
[   46.472730][   T11] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   46.473056][   T11] R10: ffffffffa55ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   46.473387][   T11] R13: ffff888004ea2128 R14: ffff888004ea2008 R15: ffff888004ea2000
[   46.473639][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.473936][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.474152][   T11] CR2: 00007fff41495e78 CR3: 000000002fd28004 CR4: 0000000000772ef0
[   46.474508][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.474765][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.475020][   T11] PKRU: 55555554
[   46.475153][   T11] Call Trace:
[   46.475283][   T11]  <TASK>
[ 46.475447][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.475621][ T11] ? __warn (kernel/panic.c:748) 
[ 46.475752][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.475926][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.476105][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.476233][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.476485][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.476676][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.476857][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.477072][ 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) 
[ 46.477247][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.477493][ T11] register_netdevice (net/core/dev.c:11003) 
[ 46.477686][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.477868][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.478051][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.478274][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.478583][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.478808][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.479029][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.479255][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.479539][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.479767][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 46.479945][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.480118][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 46.480469][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 46.480645][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 46.480871][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 46.481044][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 46.481386][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 46.481559][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 46.481743][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.482004][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 46.482281][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 46.482537][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 46.482710][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 46.482891][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 46.483065][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 46.483252][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 46.483503][ T11] kthread (kernel/kthread.c:464) 
[ 46.483639][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.483818][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.483994][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 46.484163][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.484408][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   47.192137][  T496] ------------[ cut here ]------------
| [ 47.192532][ T496] WARNING: CPU: 2 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   47.192971][  T496] Modules linked in: netdevsim
| [   47.193598][  T496] Tainted: [W]=WARN
[   47.193768][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.194046][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.194336][ T496] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.195076][  T496] RSP: 0018:ffffc90000d271e8 EFLAGS: 00010246
[   47.195371][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.195682][  T496] RDX: 0000000000000000 RSI: ffff888004e32c98 RDI: ffff888005662dc0
[   47.196001][  T496] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   47.196335][  T496] R10: ffffffffa55ec1e7 R11: ffff888005662300 R12: 0000000000000000
[   47.196658][  T496] R13: ffff888004e32128 R14: ffff888004e32008 R15: ffff888004e32000
[   47.196979][  T496] FS:  00007f3589407800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.197354][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.197626][  T496] CR2: 00007f3589546440 CR3: 000000000dac6001 CR4: 0000000000772ef0
[   47.197945][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.198263][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.198603][  T496] PKRU: 55555554
[   47.198773][  T496] Call Trace:
[   47.198942][  T496]  <TASK>
[ 47.199073][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.199303][ T496] ? __warn (kernel/panic.c:748) 
[ 47.199492][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.199709][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.199943][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.200120][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.200353][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.200592][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.200811][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.201031][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.201325][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.201550][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.201773][ T496] register_netdevice (net/core/dev.c:11003) 
[ 47.201994][ T496] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.202227][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.202479][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.202762][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.203051][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.203347][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.203629][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.203910][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.204185][ T496] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.204487][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 47.204710][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.204926][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.205150][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.205392][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.205578][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.205805][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.206078][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 47.206298][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.206519][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.206785][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.206986][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.207204][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.207423][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.207638][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.207887][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.208142][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.208414][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.208619][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.208820][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.209030][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.209249][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.209418][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.209626][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.209833][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.209992][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.210212][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.210446][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.210661][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.210870][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.211074][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.211277][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.211506][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.211720][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.211923][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.212131][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.212358][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.212571][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.212827][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.213035][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.213289][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.213508][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 47.213722][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.213970][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.214178][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.214433][  T496] RIP: 0033:0x7f3589613a4a
[ 47.214658][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   47.215362][  T496] RSP: 002b:00007ffeae73cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.215664][  T496] RAX: ffffffffffffffda RBX: 0000000004787b00 RCX: 00007f3589613a4a
[   47.215968][  T496] RDX: 000000000000003c RSI: 0000000004787b00 RDI: 0000000000000005
[   47.216273][  T496] RBP: 0000000004787910 R08: 00007f35897b7200 R09: 000000000000000c
[   47.216583][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.216883][  T496] R13: 0000000004787910 R14: 0000000000000000 R15: 0000000000000001
| [   47.236291][  T496] ------------[ cut here ]------------
| [ 47.236596][ T496] WARNING: CPU: 2 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   47.236999][  T496] Modules linked in: netdevsim
| [   47.237576][  T496] Tainted: [W]=WARN
[   47.237750][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.238007][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.238277][ T496] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.238965][  T496] RSP: 0018:ffffc90000d271e8 EFLAGS: 00010246
[   47.239226][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.239531][  T496] RDX: 0000000000000000 RSI: ffff88800b43ac98 RDI: ffff888005662dc0
[   47.239845][  T496] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   47.240143][  T496] R10: ffffffffa55ec1e7 R11: ffff888005662300 R12: 0000000000000000
[   47.240446][  T496] R13: ffff88800b43a128 R14: ffff88800b43a008 R15: ffff88800b43a000
[   47.240740][  T496] FS:  00007f3589407800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.241090][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.241350][  T496] CR2: 00007f3589546440 CR3: 000000000dac6001 CR4: 0000000000772ef0
[   47.241648][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.241940][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.242233][  T496] PKRU: 55555554
[   47.242413][  T496] Call Trace:
[   47.242573][  T496]  <TASK>
[ 47.242687][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.242893][ T496] ? __warn (kernel/panic.c:748) 
[ 47.243055][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.243258][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.243480][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.243639][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.243846][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.244065][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.244269][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.244484][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.244743][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.244949][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.245160][ T496] register_netdevice (net/core/dev.c:11003) 
[ 47.245385][ T496] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.245601][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.245826][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.246088][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.246362][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.246627][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.246891][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.247148][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.247408][ T496] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.247679][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 47.247889][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.248093][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.248304][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.248519][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.248687][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.248892][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.249141][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 47.249367][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.249578][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.249850][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.250054][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.250265][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.250485][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.250691][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.250941][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.251186][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.251464][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.251671][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.251875][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.252083][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.252304][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.252474][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.252682][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.252903][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.253061][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.253267][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.253485][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.253698][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.253907][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.254107][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.254351][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.254572][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.254781][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.254982][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.255186][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.255413][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.255632][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.255892][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.256225][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.256490][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.256731][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 47.256946][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.257328][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.257535][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.257826][  T496] RIP: 0033:0x7f3589613a4a
[ 47.258040][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   47.258907][  T496] RSP: 002b:00007ffeae73cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.259333][  T496] RAX: ffffffffffffffda RBX: 0000000004787b00 RCX: 00007f3589613a4a
[   47.259634][  T496] RDX: 000000000000003c RSI: 0000000004787b00 RDI: 0000000000000005
[   47.259928][  T496] RBP: 0000000004787910 R08: 00007f35897b7200 R09: 000000000000000c
[   47.260350][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.260641][  T496] R13: 0000000004787910 R14: 0000000000000000 R15: 0000000000000001
| [   47.278575][  T496] ------------[ cut here ]------------
| [ 47.278923][ T496] WARNING: CPU: 2 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   47.279456][  T496] Modules linked in: netdevsim
| [   47.280045][  T496] Tainted: [W]=WARN
[   47.280206][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.280510][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.280772][ T496] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.281494][  T496] RSP: 0018:ffffc90000d271e8 EFLAGS: 00010246
[   47.281749][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.282044][  T496] RDX: 0000000000000000 RSI: ffff88800d50ac98 RDI: ffff888005662dc0
[   47.282376][  T496] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   47.282665][  T496] R10: ffffffffa55ec1e7 R11: ffff888005662300 R12: 0000000000000000
[   47.282970][  T496] R13: ffff88800d50a128 R14: ffff88800d50a008 R15: ffff88800d50a000
[   47.283261][  T496] FS:  00007f3589407800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.283622][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.283880][  T496] CR2: 00007f3589546440 CR3: 000000000dac6001 CR4: 0000000000772ef0
[   47.284176][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.284528][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.284857][  T496] PKRU: 55555554
[   47.285020][  T496] Call Trace:
[   47.285178][  T496]  <TASK>
[ 47.285293][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.285511][ T496] ? __warn (kernel/panic.c:748) 
[ 47.285675][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.285877][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.286089][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.286250][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.286501][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.286721][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.286925][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.287133][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.287402][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.287624][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.287867][ T496] register_netdevice (net/core/dev.c:11003) 
[ 47.288078][ T496] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.288290][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.288531][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.288788][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.289055][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.289361][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.289625][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.289877][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.290130][ T496] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.290404][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 47.290612][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.290819][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.291033][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.291232][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.291414][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.291623][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.291879][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 47.292092][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.292334][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.292599][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.292802][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.293013][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.293221][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.293435][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.293687][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.293940][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.294203][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.294420][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.294631][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.294836][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.295051][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.295210][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.295443][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.295658][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.295817][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.296025][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.296227][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.296464][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.296678][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.296889][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.297097][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.297329][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.297547][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.297761][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.297966][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.298181][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.298407][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.298663][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.298870][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.299121][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.299353][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 47.299558][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.299808][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.300027][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.300279][  T496] RIP: 0033:0x7f3589613a4a
[ 47.300525][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   47.301208][  T496] RSP: 002b:00007ffeae73cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.301527][  T496] RAX: ffffffffffffffda RBX: 0000000004787b00 RCX: 00007f3589613a4a
[   47.301821][  T496] RDX: 000000000000003c RSI: 0000000004787b00 RDI: 0000000000000005
[   47.302115][  T496] RBP: 0000000004787910 R08: 00007f35897b7200 R09: 000000000000000c
[   47.302428][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.302733][  T496] R13: 0000000004787910 R14: 0000000000000000 R15: 0000000000000001
| [   47.316588][  T496] ------------[ cut here ]------------
| [ 47.316866][ T496] WARNING: CPU: 2 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   47.317269][  T496] Modules linked in: netdevsim
| [   47.317885][  T496] Tainted: [W]=WARN
[   47.318047][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.318301][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.318606][ T496] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.319280][  T496] RSP: 0018:ffffc90000d271e8 EFLAGS: 00010246
[   47.319546][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.319849][  T496] RDX: 0000000000000000 RSI: ffff88800bdfac98 RDI: ffff888005662dc0
[   47.320140][  T496] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   47.320537][  T496] R10: ffffffffa55ec1e7 R11: ffff888005662300 R12: 0000000000000000
[   47.320883][  T496] R13: ffff88800bdfa128 R14: ffff88800bdfa008 R15: ffff88800bdfa000
[   47.321186][  T496] FS:  00007f3589407800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.321577][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.321832][  T496] CR2: 00007f3589546440 CR3: 000000000dac6001 CR4: 0000000000772ef0
[   47.322131][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.322438][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.322750][  T496] PKRU: 55555554
[   47.322910][  T496] Call Trace:
[   47.323068][  T496]  <TASK>
[ 47.323181][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.323399][ T496] ? __warn (kernel/panic.c:748) 
[ 47.323561][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.323772][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.323985][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.324159][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.324414][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.324677][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 47.325024][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 47.325414][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 47.325848][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.326204][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.326594][ T496] register_netdevice (net/core/dev.c:11003) 
[ 47.326864][ T496] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 47.327079][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.327303][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.327639][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.327924][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.328204][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.328483][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.328748][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.329005][ T496] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 47.329269][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 47.329507][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.329723][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.329940][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.330142][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 47.330323][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.330533][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.330801][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 47.331033][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.331248][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.331531][ T496] ? cap_capable (security/commoncap.c:131) 
[ 47.331748][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.331964][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.332172][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.332394][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.332662][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.332910][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.333170][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.333398][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.333607][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.333830][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.334048][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.334218][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.334448][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.334678][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.334833][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.335045][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.335254][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.335484][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.335707][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.335918][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.336132][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.336363][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.336578][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.336791][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.336993][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 47.337209][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.337440][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 47.337711][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 47.337923][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 47.338176][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 47.338403][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 47.338611][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.338880][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.339089][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.339353][  T496] RIP: 0033:0x7f3589613a4a
[ 47.339570][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   47.340264][  T496] RSP: 002b:00007ffeae73cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.340589][  T496] RAX: ffffffffffffffda RBX: 0000000004787b00 RCX: 00007f3589613a4a
[   47.340906][  T496] RDX: 000000000000003c RSI: 0000000004787b00 RDI: 0000000000000005
[   47.341202][  T496] RBP: 0000000004787910 R08: 00007f35897b7200 R09: 000000000000000c
[   47.341514][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.341967][  T496] R13: 0000000004787910 R14: 0000000000000000 R15: 0000000000000001
| [   48.330654][  T516] ------------[ cut here ]------------
| [ 48.330996][ T516] WARNING: CPU: 3 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   48.331397][  T516] Modules linked in: netdevsim
| [   48.331933][  T516] Tainted: [W]=WARN
[   48.332079][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.332335][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.332579][ T516] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   48.333247][  T516] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   48.333510][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.333799][  T516] RDX: 0000000000000000 RSI: ffff88800a3d2c98 RDI: ffff8880094b5080
[   48.334083][  T516] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   48.334378][  T516] R10: ffffffffa55ec1e7 R11: ffff8880094b45c0 R12: 0000000000000000
[   48.334666][  T516] R13: ffff88800a3d2128 R14: ffff88800a3d2008 R15: ffff88800a3d2000
[   48.334950][  T516] FS:  00007fab85421800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   48.335277][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.335539][  T516] CR2: 00007fab857d1200 CR3: 000000000d942002 CR4: 0000000000772ef0
[   48.335823][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.336112][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.336413][  T516] PKRU: 55555554
[   48.336562][  T516] Call Trace:
[   48.336710][  T516]  <TASK>
[ 48.336809][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.336999][ T516] ? __warn (kernel/panic.c:748) 
[ 48.337148][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.337352][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.337558][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.337717][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.337908][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.338111][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.338302][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.338527][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.338769][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 48.338975][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.339170][ T516] register_netdevice (net/core/dev.c:11003) 
[ 48.339379][ T516] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.339580][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.339785][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.340028][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.340285][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.340546][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.340808][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.341049][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.341285][ T516] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.341537][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.341734][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.341982][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 48.342175][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.342413][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.342661][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.342855][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.343097][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 48.343301][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.343507][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.343766][ T516] ? cap_capable (security/commoncap.c:131) 
[ 48.343959][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.344157][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.344362][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.344561][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.344795][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.345030][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.345279][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.345480][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.345675][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.345873][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.346085][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.346229][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.346444][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.346651][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.346795][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.346990][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.347184][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.347394][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.347605][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.347797][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.347991][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.348193][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.348401][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.348602][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.348801][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.348992][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.349199][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 48.349409][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 48.349604][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.349837][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.350029][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.350265][  T516] RIP: 0033:0x7fab8562da4a
[ 48.350485][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   48.351156][  T516] RSP: 002b:00007ffe76a55b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.351450][  T516] RAX: ffffffffffffffda RBX: 0000000014f14b00 RCX: 00007fab8562da4a
[   48.351744][  T516] RDX: 0000000000000034 RSI: 0000000014f14b00 RDI: 0000000000000005
[   48.352024][  T516] RBP: 0000000014f14910 R08: 00007fab857d1200 R09: 000000000000000c
[   48.352318][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.352598][  T516] R13: 0000000014f14910 R14: 0000000000000000 R15: 0000000000000003
| [   48.372282][  T516] ------------[ cut here ]------------
| [ 48.372615][ T516] WARNING: CPU: 2 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   48.373023][  T516] Modules linked in: netdevsim
| [   48.373614][  T516] Tainted: [W]=WARN
[   48.373780][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.374034][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.374302][ T516] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   48.374997][  T516] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   48.375260][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.375573][  T516] RDX: 0000000000000000 RSI: ffff88800a3aac98 RDI: ffff8880094b5080
[   48.375873][  T516] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   48.376174][  T516] R10: ffffffffa55ec1e7 R11: ffff8880094b45c0 R12: 0000000000000000
[   48.376595][  T516] R13: ffff88800a3aa128 R14: ffff88800a3aa008 R15: ffff88800a3aa000
[   48.376899][  T516] FS:  00007fab85421800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   48.377246][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.377515][  T516] CR2: 00007fdaed8ef7d0 CR3: 000000000d942004 CR4: 0000000000772ef0
[   48.377828][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.378128][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.378443][  T516] PKRU: 55555554
[   48.378602][  T516] Call Trace:
[   48.378762][  T516]  <TASK>
[ 48.378881][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.379089][ T516] ? __warn (kernel/panic.c:748) 
[ 48.379258][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.379472][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.379686][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.379845][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.380052][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.380274][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.380498][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.380715][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.380974][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 48.381195][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.381416][ T516] register_netdevice (net/core/dev.c:11003) 
[ 48.381630][ T516] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.381843][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.382076][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.382354][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.382628][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.382895][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.383159][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.383425][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.383677][ T516] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.383938][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.384145][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.384429][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 48.384644][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.384857][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.385117][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.385348][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.385605][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 48.385857][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.386073][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.386349][ T516] ? cap_capable (security/commoncap.c:131) 
[ 48.386562][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.386773][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.386986][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.387198][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.387461][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.387721][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.387989][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.388193][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.388408][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.388617][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.388840][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.389002][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.389211][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.389434][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.389601][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.389809][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.390015][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.390225][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.390504][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.390832][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.391182][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.391568][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.391906][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.392263][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.392634][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.392964][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.393235][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 48.393596][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 48.393932][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.394355][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.394575][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.394844][  T516] RIP: 0033:0x7fab8562da4a
[ 48.395065][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   48.395786][  T516] RSP: 002b:00007ffe76a55b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.396103][  T516] RAX: ffffffffffffffda RBX: 0000000014f14b00 RCX: 00007fab8562da4a
[   48.396413][  T516] RDX: 0000000000000034 RSI: 0000000014f14b00 RDI: 0000000000000005
[   48.396728][  T516] RBP: 0000000014f14910 R08: 00007fab857d1200 R09: 000000000000000c
[   48.397026][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.397329][  T516] R13: 0000000014f14910 R14: 0000000000000000 R15: 0000000000000003
| [   48.413918][  T516] ------------[ cut here ]------------
| [ 48.414170][ T516] WARNING: CPU: 0 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   48.414600][  T516] Modules linked in: netdevsim
| [   48.415157][  T516] Tainted: [W]=WARN
[   48.415324][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.415578][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.415831][ T516] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   48.416577][  T516] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   48.416827][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.417125][  T516] RDX: 0000000000000000 RSI: ffff888004eaac98 RDI: ffff8880094b5080
[   48.417430][  T516] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   48.417729][  T516] R10: ffffffffa55ec1e7 R11: ffff8880094b45c0 R12: 0000000000000000
[   48.418017][  T516] R13: ffff888004eaa128 R14: ffff888004eaa008 R15: ffff888004eaa000
[   48.418331][  T516] FS:  00007fab85421800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   48.418667][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.418910][  T516] CR2: 00007fdaed8d25a0 CR3: 000000000d942003 CR4: 0000000000772ef0
[   48.419195][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.419519][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.419805][  T516] PKRU: 55555554
[   48.419954][  T516] Call Trace:
[   48.420098][  T516]  <TASK>
[ 48.420199][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.420404][ T516] ? __warn (kernel/panic.c:748) 
[ 48.420556][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.420756][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.420953][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.421099][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.421292][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.421509][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.421704][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.421913][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.422158][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 48.422373][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.422567][ T516] register_netdevice (net/core/dev.c:11003) 
[ 48.422780][ T516] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.422979][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.423207][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.423636][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.423911][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.424172][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.424564][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.424807][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.425048][ T516] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.425322][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.425520][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.425772][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 48.425972][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.426169][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.426424][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.426628][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.426889][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 48.427097][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.427294][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.427558][ T516] ? cap_capable (security/commoncap.c:131) 
[ 48.427768][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.427972][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.428178][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.428394][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.428648][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.428906][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.429158][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.429371][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.429568][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.429776][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.429997][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.430150][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.430365][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.430573][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.430718][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.430919][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.431113][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.431333][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.431541][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.431728][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.431933][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.432137][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.432345][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.432552][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.432749][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.432946][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.433167][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 48.433387][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 48.433579][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.433815][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.434014][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.434252][  T516] RIP: 0033:0x7fab8562da4a
[ 48.434479][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   48.435145][  T516] RSP: 002b:00007ffe76a55b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.435449][  T516] RAX: ffffffffffffffda RBX: 0000000014f14b00 RCX: 00007fab8562da4a
[   48.435741][  T516] RDX: 0000000000000034 RSI: 0000000014f14b00 RDI: 0000000000000005
[   48.436025][  T516] RBP: 0000000014f14910 R08: 00007fab857d1200 R09: 000000000000000c
[   48.436320][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.436602][  T516] R13: 0000000014f14910 R14: 0000000000000000 R15: 0000000000000003
| [   48.463754][  T516] ------------[ cut here ]------------
| [ 48.464021][ T516] WARNING: CPU: 0 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   48.464432][  T516] Modules linked in: netdevsim
| [   48.464988][  T516] Tainted: [W]=WARN
[   48.465136][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.465409][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.465664][ T516] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   48.466340][  T516] RSP: 0018:ffffc90000de71e8 EFLAGS: 00010246
[   48.466602][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.466892][  T516] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff8880094b5080
[   48.467174][  T516] RBP: ffff88800a873040 R08: 0000000000000000 R09: fffffbfff4abd83c
[   48.467559][  T516] R10: ffffffffa55ec1e7 R11: ffff8880094b45c0 R12: 0000000000000000
[   48.467888][  T516] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[   48.468177][  T516] FS:  00007fab85421800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   48.468542][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.468790][  T516] CR2: 00007fdaed8d25a0 CR3: 000000000d942003 CR4: 0000000000772ef0
[   48.469105][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.469420][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.469705][  T516] PKRU: 55555554
[   48.469857][  T516] Call Trace:
[   48.470002][  T516]  <TASK>
[ 48.470103][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.470300][ T516] ? __warn (kernel/panic.c:748) 
[ 48.470466][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.470673][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.470875][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.471023][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.471213][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.471442][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.471635][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.471845][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.472085][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 48.472284][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.472512][ T516] register_netdevice (net/core/dev.c:11003) 
[ 48.472716][ T516] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.472928][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.473155][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.473421][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.473687][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.473937][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.474184][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.474452][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.474716][ T516] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.474961][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 48.475159][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 48.475440][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 48.475640][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.475862][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 48.476128][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.476339][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.476610][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 48.476812][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.477017][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.477286][ T516] ? cap_capable (security/commoncap.c:131) 
[ 48.477492][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.477735][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.477933][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.478123][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.478377][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.478614][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.478862][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.479092][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.479283][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.479505][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.479711][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.479873][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.480079][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.480279][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.480435][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.480637][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.480827][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.481048][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.481247][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.481457][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.481652][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.481874][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.482077][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.482297][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.482509][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 48.482702][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 48.482900][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 48.483097][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 48.483288][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.483546][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.483752][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.483989][  T516] RIP: 0033:0x7fab8562da4a
[ 48.484186][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   48.484859][  T516] RSP: 002b:00007ffe76a55b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.485155][  T516] RAX: ffffffffffffffda RBX: 0000000014f14b00 RCX: 00007fab8562da4a
[   48.485446][  T516] RDX: 0000000000000034 RSI: 0000000014f14b00 RDI: 0000000000000005
[   48.485731][  T516] RBP: 0000000014f14910 R08: 00007fab857d1200 R09: 000000000000000c
[   48.486013][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.486303][  T516] R13: 0000000014f14910 R14: 0000000000000000 R15: 0000000000000003
| [   49.735022][  T536] ------------[ cut here ]------------
| [ 49.735304][ T536] WARNING: CPU: 2 PID: 536 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   49.735728][  T536] Modules linked in: netdevsim
| [   49.736294][  T536] Tainted: [W]=WARN
[   49.736471][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.736728][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.736989][ T536] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   49.737789][  T536] RSP: 0018:ffffc90000e971e8 EFLAGS: 00010246
[   49.738122][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   49.738430][  T536] RDX: 0000000000000000 RSI: ffff88800db8ac98 RDI: ffff888008e40b00
[   49.738729][  T536] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   49.739029][  T536] R10: ffffffffa55ec1e7 R11: ffff888008e40040 R12: 0000000000000000
[   49.739337][  T536] R13: ffff88800db8a128 R14: ffff88800db8a008 R15: ffff88800db8a000
[   49.739647][  T536] FS:  00007f38e3c3f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   49.739994][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.740253][  T536] CR2: 00007f38e3e9b423 CR3: 0000000009614002 CR4: 0000000000772ef0
[   49.740565][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   49.740868][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   49.741171][  T536] PKRU: 55555554
[   49.741341][  T536] Call Trace:
[   49.741505][  T536]  <TASK>
[ 49.741618][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.741825][ T536] ? __warn (kernel/panic.c:748) 
[ 49.741991][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.742198][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 49.742428][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 49.742589][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 49.742795][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 49.743020][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.743230][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 49.743446][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 49.743710][ T536] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 49.743921][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 49.744133][ T536] register_netdevice (net/core/dev.c:11003) 
[ 49.744355][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 49.744572][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 49.744793][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 49.745065][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 49.745344][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 49.745612][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 49.745874][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 49.746136][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 49.746395][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 49.746664][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 49.746874][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 49.747081][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.747293][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.747527][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 49.747750][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.748012][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 49.748228][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 49.748455][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 49.748721][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.748927][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 49.749142][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 49.749359][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 49.749569][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 49.749820][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.750071][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 49.750345][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 49.750556][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 49.750759][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 49.750969][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 49.751193][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 49.751371][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 49.751580][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 49.751797][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 49.751956][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 49.752169][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 49.752384][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 49.752605][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 49.752815][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 49.753019][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 49.753224][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 49.753447][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 49.753657][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 49.753871][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 49.754076][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.754291][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 49.754514][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 49.754724][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.754931][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.755137][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 49.755349][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 49.755598][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 49.755812][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.756058][  T536] RIP: 0033:0x7f38e3e4ba4a
[ 49.756272][ T536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   49.756954][  T536] RSP: 002b:00007ffd436e0b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   49.757251][  T536] RAX: ffffffffffffffda RBX: 0000000004855b00 RCX: 00007f38e3e4ba4a
[   49.757557][  T536] RDX: 000000000000003c RSI: 0000000004855b00 RDI: 0000000000000005
[   49.757866][  T536] RBP: 0000000004855910 R08: 00007f38e3fef200 R09: 000000000000000c
[   49.758167][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   49.758476][  T536] R13: 0000000004855910 R14: 0000000000000000 R15: 0000000000000003
| [   49.771980][  T536] ------------[ cut here ]------------
| [ 49.772248][ T536] WARNING: CPU: 2 PID: 536 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   49.772663][  T536] Modules linked in: netdevsim
| [   49.773231][  T536] Tainted: [W]=WARN
[   49.773400][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.773659][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.773925][ T536] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   49.774660][  T536] RSP: 0018:ffffc90000e971e8 EFLAGS: 00010246
[   49.774923][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   49.775225][  T536] RDX: 0000000000000000 RSI: ffff88800da5ac98 RDI: ffff888008e40b00
[   49.775538][  T536] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   49.775835][  T536] R10: ffffffffa55ec1e7 R11: ffff888008e40040 R12: 0000000000000000
[   49.776134][  T536] R13: ffff88800da5a128 R14: ffff88800da5a008 R15: ffff88800da5a000
[   49.776450][  T536] FS:  00007f38e3c3f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   49.776805][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.777063][  T536] CR2: 00007f38e3e9b423 CR3: 0000000009614002 CR4: 0000000000772ef0
[   49.777378][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   49.777705][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   49.778004][  T536] PKRU: 55555554
[   49.778165][  T536] Call Trace:
[   49.778340][  T536]  <TASK>
[ 49.778455][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.778667][ T536] ? __warn (kernel/panic.c:748) 
[ 49.778831][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.779043][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 49.779260][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 49.779434][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 49.779645][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 49.779865][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.780079][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 49.780293][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 49.780566][ T536] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 49.780778][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 49.780991][ T536] register_netdevice (net/core/dev.c:11003) 
[ 49.781207][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 49.781439][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 49.781665][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 49.781935][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 49.782205][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 49.782494][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 49.782760][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 49.783020][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 49.783272][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 49.783546][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 49.783761][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 49.783967][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.784181][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.784403][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 49.784614][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.784874][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 49.785094][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 49.785301][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 49.785582][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.785786][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 49.786010][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 49.786225][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 49.786451][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 49.786705][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.786959][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 49.787222][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 49.787444][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 49.787662][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 49.787874][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 49.788098][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 49.788267][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 49.788491][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 49.788716][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 49.788882][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 49.789106][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 49.789328][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 49.789547][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 49.789761][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 49.789965][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 49.790179][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 49.790403][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 49.790616][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 49.790833][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 49.791040][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.791246][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 49.791466][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 49.791680][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.791896][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.792105][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 49.792350][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 49.792604][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 49.792815][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.793078][  T536] RIP: 0033:0x7f38e3e4ba4a
[ 49.793295][ T536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   49.793992][  T536] RSP: 002b:00007ffd436e0b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   49.794302][  T536] RAX: ffffffffffffffda RBX: 0000000004855b00 RCX: 00007f38e3e4ba4a
[   49.794606][  T536] RDX: 000000000000003c RSI: 0000000004855b00 RDI: 0000000000000005
[   49.794903][  T536] RBP: 0000000004855910 R08: 00007f38e3fef200 R09: 000000000000000c
[   49.795200][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   49.795512][  T536] R13: 0000000004855910 R14: 0000000000000000 R15: 0000000000000003
| [   49.812156][  T536] ------------[ cut here ]------------
| [ 49.812440][ T536] WARNING: CPU: 2 PID: 536 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   49.812845][  T536] Modules linked in: netdevsim
| [   49.813427][  T536] Tainted: [W]=WARN
[   49.813591][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.813842][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.814107][ T536] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   49.814801][  T536] RSP: 0018:ffffc90000e971e8 EFLAGS: 00010246
[   49.815063][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   49.815367][  T536] RDX: 0000000000000000 RSI: ffff88800bd52c98 RDI: ffff888008e40b00
[   49.815668][  T536] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   49.815963][  T536] R10: ffffffffa55ec1e7 R11: ffff888008e40040 R12: 0000000000000000
[   49.816254][  T536] R13: ffff88800bd52128 R14: ffff88800bd52008 R15: ffff88800bd52000
[   49.816564][  T536] FS:  00007f38e3c3f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   49.816916][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.817165][  T536] CR2: 00007f38e3e9b423 CR3: 0000000009614002 CR4: 0000000000772ef0
[   49.817468][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   49.817770][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   49.818061][  T536] PKRU: 55555554
[   49.818223][  T536] Call Trace:
[   49.818392][  T536]  <TASK>
[ 49.818508][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.818719][ T536] ? __warn (kernel/panic.c:748) 
[ 49.818884][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.819087][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 49.819294][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 49.819464][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 49.819666][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 49.819886][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.820093][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 49.820303][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 49.820565][ T536] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 49.820774][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 49.820980][ T536] register_netdevice (net/core/dev.c:11003) 
[ 49.821203][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 49.821437][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 49.821663][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 49.821922][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 49.822191][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 49.822510][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 49.822779][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 49.823037][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 49.823292][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 49.823569][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 49.823782][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 49.823983][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.824197][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.824426][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 49.824643][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.824901][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 49.825120][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 49.825339][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 49.825613][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.825818][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 49.826040][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 49.826250][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 49.826471][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 49.826725][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.826975][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 49.827238][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 49.827465][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 49.827695][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 49.827907][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 49.828127][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 49.828289][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 49.828510][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 49.828728][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 49.828895][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 49.829108][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 49.829327][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 49.829544][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 49.829756][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 49.829960][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 49.830171][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 49.830408][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 49.830632][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 49.830850][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 49.831053][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.831263][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 49.831483][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 49.831699][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.831927][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.832143][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 49.832362][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 49.832616][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 49.832824][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.833079][  T536] RIP: 0033:0x7f38e3e4ba4a
[ 49.833305][ T536] Code: Unable to access opcode bytes at 0x7f38e3e4ba20.

Code starting with the faulting instruction
===========================================
[   49.833580][  T536] RSP: 002b:00007ffd436e0b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   49.833883][  T536] RAX: ffffffffffffffda RBX: 0000000004855b00 RCX: 00007f38e3e4ba4a
[   49.834175][  T536] RDX: 000000000000003c RSI: 0000000004855b00 RDI: 0000000000000005
[   49.834481][  T536] RBP: 0000000004855910 R08: 00007f38e3fef200 R09: 000000000000000c
[   49.834788][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   49.835090][  T536] R13: 0000000004855910 R14: 0000000000000000 R15: 0000000000000003
| [   49.862045][  T536] ------------[ cut here ]------------
| [ 49.862442][ T536] WARNING: CPU: 2 PID: 536 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   49.862853][  T536] Modules linked in: netdevsim
| [   49.863430][  T536] Tainted: [W]=WARN
[   49.863592][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.863841][ T536] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.864103][ T536] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   49.864791][  T536] RSP: 0018:ffffc90000e971e8 EFLAGS: 00010246
[   49.865049][  T536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   49.865352][  T536] RDX: 0000000000000000 RSI: ffff888005f52c98 RDI: ffff888008e40b00
[   49.865656][  T536] RBP: ffffffffa7723440 R08: 0000000000000000 R09: fffffbfff4abd83c
[   49.865955][  T536] R10: ffffffffa55ec1e7 R11: ffff888008e40040 R12: 0000000000000000
[   49.866255][  T536] R13: ffff888005f52128 R14: ffff888005f52008 R15: ffff888005f52000
[   49.866690][  T536] FS:  00007f38e3c3f800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   49.867063][  T536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.867330][  T536] CR2: 00007f38e3e4ba20 CR3: 0000000009614002 CR4: 0000000000772ef0
[   49.867642][  T536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   49.867940][  T536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   49.868244][  T536] PKRU: 55555554
[   49.868413][  T536] Call Trace:
[   49.868575][  T536]  <TASK>
[ 49.868690][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.868897][ T536] ? __warn (kernel/panic.c:748) 
[ 49.869061][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.869268][ T536] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 49.869493][ T536] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 49.869660][ T536] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 49.869869][ T536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 49.870092][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 49.870322][ T536] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 49.870536][ T536] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 49.870797][ T536] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 49.871010][ T536] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 49.871234][ T536] register_netdevice (net/core/dev.c:11003) 
[ 49.871475][ T536] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 49.871695][ T536] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 49.871925][ T536] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 49.872194][ T536] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 49.872486][ T536] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 49.872763][ T536] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 49.873026][ T536] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 49.873291][ T536] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 49.873552][ T536] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 49.873818][ T536] devlink_reload (net/devlink/dev.c:474) 
[ 49.874034][ T536] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 49.874238][ T536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.874456][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.874670][ T536] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 49.874876][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.875139][ T536] ? __nla_parse (lib/nlattr.c:732) 
[ 49.875363][ T536] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 49.875580][ T536] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 49.875849][ T536] ? cap_capable (security/commoncap.c:131) 
[ 49.876052][ T536] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 49.876262][ T536] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 49.876484][ T536] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 49.876688][ T536] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 49.876935][ T536] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.877185][ T536] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 49.877457][ T536] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 49.877680][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 49.877886][ T536] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 49.878092][ T536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 49.878318][ T536] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 49.878483][ T536] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 49.878705][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 49.878922][ T536] genl_rcv (net/netlink/genetlink.c:1220) 
[ 49.879082][ T536] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 49.879293][ T536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 49.879509][ T536] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 49.879723][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 49.879934][ T536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 49.880145][ T536] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 49.880358][ T536] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 49.880577][ T536] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 49.880789][ T536] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 49.881006][ T536] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 49.881221][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.881441][ T536] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 49.881655][ T536] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 49.881870][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.882078][ T536] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 49.882284][ T536] __x64_sys_sendto (net/socket.c:2181) 
[ 49.882501][ T536] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 49.882750][ T536] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 49.882959][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.883215][  T536] RIP: 0033:0x7f38e3e4ba4a
[ 49.883450][ T536] Code: Unable to access opcode bytes at 0x7f38e3e4ba20.

Code starting with the faulting instruction
===========================================
[   49.883705][  T536] RSP: 002b:00007ffd436e0b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   49.884007][  T536] RAX: ffffffffffffffda RBX: 0000000004855b00 RCX: 00007f38e3e4ba4a
[   49.884304][  T536] RDX: 000000000000003c RSI: 0000000004855b00 RDI: 0000000000000005
[   49.884619][  T536] RBP: 0000000004855910 R08: 00007f38e3fef200 R09: 000000000000000c
[   49.884918][  T536] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200


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