======================================
| 0
| xx__-> [    9.808070][  T228] ------------[ cut here ]------------
| [ 9.808461][ T228] WARNING: CPU: 3 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) 
| [    9.808904][  T228] Modules linked in: netdevsim
[    9.809669][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.809966][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.810283][ 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
[    9.811106][  T228] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.811430][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.811775][  T228] RDX: 0000000000000000 RSI: ffff88800b98ac98 RDI: ffff88800ad750f8
[    9.812171][  T228] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[    9.812533][  T228] R10: ffffffffb91ec1e7 R11: ffff88800ad745c0 R12: 0000000000000000
[    9.812891][  T228] R13: ffff88800b98a128 R14: ffff88800b98a008 R15: ffff88800b98a000
[    9.813272][  T228] FS:  00007fc686a71740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.813676][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.813978][  T228] CR2: 00005606ccdaeb68 CR3: 000000000a07a005 CR4: 0000000000772ef0
[    9.814359][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.814696][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.815056][  T228] PKRU: 55555554
[    9.815253][  T228] Call Trace:
[    9.815433][  T228]  <TASK>
[ 9.815565][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.815801][ T228] ? __warn (kernel/panic.c:748) 
[ 9.815979][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.816235][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.816469][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.816641][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.816869][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.817109][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.817382][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.817676][ 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) 
[ 9.817916][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.818167][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.818409][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.818660][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.818900][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.819224][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.819401][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.819704][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.819997][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.820311][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.820554][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.820838][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.821073][ 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)) 
[ 9.821301][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.821548][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.821785][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.822019][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.822270][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.822523][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.822797][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.823018][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.823266][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.823503][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.823729][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.823965][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.824209][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.824429][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.824659][ 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) 
[ 9.824892][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.825122][ T228] device_add (drivers/base/core.c:3672) 
[ 9.825406][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.825652][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.825901][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.826217][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.826530][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.826778][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.827017][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.827268][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.827535][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.827730][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.827976][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.828237][ 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) 
[ 9.828494][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.828746][ T228] ksys_write (fs/read_write.c:731) 
[ 9.828958][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.829235][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.829491][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.829738][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.830042][  T228] RIP: 0033:0x7fc686bb2b77
[ 9.830324][ 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
[    9.831203][  T228] RSP: 002b:00007ffc98e9f238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.831580][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc686bb2b77
[    9.831945][  T228] RDX: 0000000000000005 RSI: 00005606ccdadb60 RDI: 0000000000000001
[    9.832330][  T228] RBP: 00005606ccdadb60 R08: 0000000000000003 R09: 0000000000000000
[    9.832698][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.833057][  T228] R13: 00007fc686c6e760 R14: 0000000000000005 R15: 00007fc686c699c0
| [    9.847734][  T228] ------------[ cut here ]------------
| [ 9.848012][ 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) 
| [    9.848486][  T228] Modules linked in: netdevsim
| [    9.849140][  T228] Tainted: [W]=WARN
[    9.849337][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.849601][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.849871][ 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
[    9.850598][  T228] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.850865][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.851185][  T228] RDX: 0000000000000000 RSI: ffff88800af2ac98 RDI: ffff88800ad750f8
[    9.851517][  T228] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[    9.851829][  T228] R10: ffffffffb91ec1e7 R11: ffff88800ad745c0 R12: 0000000000000000
[    9.852143][  T228] R13: ffff88800af2a128 R14: ffff88800af2a008 R15: ffff88800af2a000
[    9.852467][  T228] FS:  00007fc686a71740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[    9.852830][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.853096][  T228] CR2: 000055a24f0c1988 CR3: 000000000a07a005 CR4: 0000000000772ef0
[    9.853433][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.853745][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.854053][  T228] PKRU: 55555554
[    9.854236][  T228] Call Trace:
[    9.854402][  T228]  <TASK>
[ 9.854521][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.854753][ T228] ? __warn (kernel/panic.c:748) 
[ 9.854925][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.855142][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.855389][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.855559][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.855778][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.856010][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.856247][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.856520][ 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) 
[ 9.856741][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.856961][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.857193][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.857429][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.857660][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.857931][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.858102][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.858394][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.858667][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.858945][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.859184][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.859458][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.859678][ 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)) 
[ 9.859847][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.860074][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.860324][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.860549][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.860767][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.860987][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.861278][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.861505][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.861722][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.861958][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.862202][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.862441][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.862658][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.862888][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.863106][ 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) 
[ 9.863343][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.863572][ T228] device_add (drivers/base/core.c:3672) 
[ 9.863804][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.864023][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.864266][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.864552][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.864831][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.865059][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.865301][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.865530][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.865760][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.865939][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.866174][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.866398][ 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) 
[ 9.866629][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.866865][ T228] ksys_write (fs/read_write.c:731) 
[ 9.867044][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.867285][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.867531][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.867765][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.868048][  T228] RIP: 0033:0x7fc686bb2b77
[ 9.868292][ 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
[    9.869063][  T228] RSP: 002b:00007ffc98e9f238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.869415][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc686bb2b77
[    9.869753][  T228] RDX: 0000000000000005 RSI: 00005606ccdadb60 RDI: 0000000000000001
[    9.870091][  T228] RBP: 00005606ccdadb60 R08: 0000000000000003 R09: 0000000000000000
[    9.870446][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.870784][  T228] R13: 00007fc686c6e760 R14: 0000000000000005 R15: 00007fc686c699c0
| [    9.889301][  T228] ------------[ cut here ]------------
| [ 9.889555][ 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) 
| [    9.889966][  T228] Modules linked in: netdevsim
| [    9.890623][  T228] Tainted: [W]=WARN
[    9.890793][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.891059][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.892204][ 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
[    9.893191][  T228] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.893546][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.893937][  T228] RDX: 0000000000000000 RSI: ffff88800a142c98 RDI: ffff88800ad750f8
[    9.894353][  T228] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[    9.894754][  T228] R10: ffffffffb91ec1e7 R11: ffff88800ad745c0 R12: 0000000000000000
[    9.895241][  T228] R13: ffff88800a142128 R14: ffff88800a142008 R15: ffff88800a142000
[    9.895643][  T228] FS:  00007fc686a71740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[    9.896094][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.896467][  T228] CR2: 000055a24f0c1988 CR3: 000000000a07a005 CR4: 0000000000772ef0
[    9.896880][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.897294][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.897700][  T228] PKRU: 55555554
[    9.897949][  T228] Call Trace:
[    9.898218][  T228]  <TASK>
[ 9.898427][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.898742][ T228] ? __warn (kernel/panic.c:748) 
[ 9.898994][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.899320][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.899645][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.899892][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.900204][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.900516][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.900832][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.901199][ 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) 
[ 9.901519][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.901820][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.902123][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.902454][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.902775][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.903128][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.903398][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.903757][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.904111][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.904484][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.904765][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.905033][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.905273][ 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)) 
[ 9.905446][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.905671][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.905904][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.906123][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.906364][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.906596][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.906854][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.907072][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.907314][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.907542][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.907758][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.908002][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.908236][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.908459][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.908677][ 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) 
[ 9.908907][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.909131][ T228] device_add (drivers/base/core.c:3672) 
[ 9.909368][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.909598][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.909825][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.910111][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.910408][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.910626][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.910853][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.911076][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.911334][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.911524][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.911751][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.911969][ 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) 
[ 9.912217][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.912444][ T228] ksys_write (fs/read_write.c:731) 
[ 9.912622][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.912841][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.913072][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.913310][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.913572][  T228] RIP: 0033:0x7fc686bb2b77
[ 9.913802][ 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
[    9.914550][  T228] RSP: 002b:00007ffc98e9f238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.914880][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc686bb2b77
[    9.915213][  T228] RDX: 0000000000000005 RSI: 00005606ccdadb60 RDI: 0000000000000001
[    9.915535][  T228] RBP: 00005606ccdadb60 R08: 0000000000000003 R09: 0000000000000000
[    9.915860][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.916180][  T228] R13: 00007fc686c6e760 R14: 0000000000000005 R15: 00007fc686c699c0
| [    9.937112][  T228] ------------[ cut here ]------------
| [ 9.937402][ T228] WARNING: CPU: 3 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) 
| [    9.937851][  T228] Modules linked in: netdevsim
| [    9.938558][  T228] Tainted: [W]=WARN
[    9.938739][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.939047][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.939360][ 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
[    9.940158][  T228] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.940450][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.940791][  T228] RDX: 0000000000000000 RSI: ffff88800aff2c98 RDI: ffff88800ad750f8
[    9.941118][  T228] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[    9.941477][  T228] R10: ffffffffb91ec1e7 R11: ffff88800ad745c0 R12: 0000000000000000
[    9.941813][  T228] R13: ffff88800aff2128 R14: ffff88800aff2008 R15: ffff88800aff2000
[    9.942168][  T228] FS:  00007fc686a71740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.942565][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.942856][  T228] CR2: 00005606ccdaeb68 CR3: 000000000a07a005 CR4: 0000000000772ef0
[    9.943221][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.943577][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.943924][  T228] PKRU: 55555554
[    9.944104][  T228] Call Trace:
[    9.944296][  T228]  <TASK>
[ 9.944419][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.944659][ T228] ? __warn (kernel/panic.c:748) 
[ 9.944844][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.945084][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.945350][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.945530][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.945762][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.946006][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.946257][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.946552][ 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) 
[ 9.946793][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.947039][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.947297][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.947546][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.947808][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.948108][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.948301][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.948615][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.948917][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.949234][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.949484][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.949788][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.950028][ 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)) 
[ 9.950217][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.950460][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.950684][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.950907][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.951124][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.951381][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.951662][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.951884][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.952104][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.952337][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.952555][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.952792][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.953018][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.953255][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.953486][ 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) 
[ 9.953719][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.953941][ T228] device_add (drivers/base/core.c:3672) 
[ 9.954174][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.954395][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.954628][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.954911][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.955210][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.955433][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.955670][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.955887][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.956113][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.956309][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.956548][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.956765][ 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) 
[ 9.957005][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.957258][ T228] ksys_write (fs/read_write.c:731) 
[ 9.957425][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.957649][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.957878][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.958103][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.958386][  T228] RIP: 0033:0x7fc686bb2b77
[ 9.958611][ 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
[    9.959405][  T228] RSP: 002b:00007ffc98e9f238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.959744][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc686bb2b77
[    9.960077][  T228] RDX: 0000000000000005 RSI: 00005606ccdadb60 RDI: 0000000000000001
[    9.960423][  T228] RBP: 00005606ccdadb60 R08: 0000000000000003 R09: 0000000000000000
[    9.960755][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.961083][  T228] R13: 00007fc686c6e760 R14: 0000000000000005 R15: 00007fc686c699c0
| [   39.670177][  T313] ------------[ cut here ]------------
| [ 39.670635][ T313] WARNING: CPU: 0 PID: 313 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) 
| [   39.671197][  T313] Modules linked in: netdevsim
| [   39.671828][  T313] Tainted: [W]=WARN
[   39.672029][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.672354][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.672647][ T313] 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
[   39.673535][  T313] RSP: 0018:ffffc900005371e8 EFLAGS: 00010246
[   39.673824][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.674114][  T313] RDX: 0000000000000000 RSI: ffff888002852c98 RDI: ffff88800d562dc0
[   39.674483][  T313] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   39.674788][  T313] R10: ffffffffb91ec1e7 R11: ffff88800d562300 R12: 0000000000000000
[   39.675124][  T313] R13: ffff888002852128 R14: ffff888002852008 R15: ffff888002852000
[   39.675593][  T313] FS:  00007f45f0b36800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   39.676032][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.676457][  T313] CR2: 000055a24f0bf6f8 CR3: 0000000005702002 CR4: 0000000000772ef0
[   39.676771][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.677120][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.677515][  T313] PKRU: 55555554
[   39.677668][  T313] Call Trace:
[   39.677877][  T313]  <TASK>
[ 39.677979][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.678227][ T313] ? __warn (kernel/panic.c:748) 
[ 39.678427][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.678623][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.678823][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.678978][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.679215][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.679491][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.679703][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.679926][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.680202][ T313] ? _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) 
[ 39.680451][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.680650][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.680849][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.681125][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.681435][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.681741][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.682070][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.682420][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.682738][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.683024][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.683426][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.683686][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.683944][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.684225][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.684423][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.684636][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.684973][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.685201][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.685470][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.685695][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.685889][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.686138][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.686438][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.686639][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.686873][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.687097][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.687420][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.687657][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.687927][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.688171][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.688461][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.688734][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.688971][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.689141][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.689399][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.689599][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.689780][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.690027][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.690298][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.690523][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.690722][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.690954][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.691195][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.691456][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.691653][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.691855][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.692043][ T313] ? 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) 
[ 39.692259][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.692540][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.692787][ T313] ? 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) 
[ 39.693012][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.693301][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.693494][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.693729][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.693981][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.694265][  T313] RIP: 0033:0x7f45f0d42a4a
[ 39.694464][ T313] 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
[   39.695510][  T313] RSP: 002b:00007fff931030d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.695794][  T313] RAX: ffffffffffffffda RBX: 00000000051d1b00 RCX: 00007f45f0d42a4a
[   39.696075][  T313] RDX: 0000000000000034 RSI: 00000000051d1b00 RDI: 0000000000000005
[   39.696500][  T313] RBP: 00000000051d1910 R08: 00007f45f0ee6200 R09: 000000000000000c
[   39.696779][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.697058][  T313] R13: 00000000051d1910 R14: 0000000000000000 R15: 0000000000000001
| [   39.718211][  T313] ------------[ cut here ]------------
| [ 39.718425][ T313] WARNING: CPU: 3 PID: 313 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) 
| [   39.718809][  T313] Modules linked in: netdevsim
| [   39.719365][  T313] Tainted: [W]=WARN
[   39.719511][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.719746][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.719989][ T313] 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
[   39.720678][  T313] RSP: 0018:ffffc900005371e8 EFLAGS: 00010246
[   39.720923][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.721232][  T313] RDX: 0000000000000000 RSI: ffff88800a6bac98 RDI: ffff88800d562dc0
[   39.721520][  T313] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   39.721811][  T313] R10: ffffffffb91ec1e7 R11: ffff88800d562300 R12: 0000000000000000
[   39.722101][  T313] R13: ffff88800a6ba128 R14: ffff88800a6ba008 R15: ffff88800a6ba000
[   39.722395][  T313] FS:  00007f45f0b36800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   39.722738][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.722985][  T313] CR2: 000055a24f047c08 CR3: 0000000005702001 CR4: 0000000000772ef0
[   39.723281][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.723575][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.723863][  T313] PKRU: 55555554
[   39.724006][  T313] Call Trace:
[   39.724166][  T313]  <TASK>
[ 39.724270][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.724467][ T313] ? __warn (kernel/panic.c:748) 
[ 39.724622][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.724816][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.725013][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.725170][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.725361][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.725563][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.725759][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.725956][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.726206][ T313] ? _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) 
[ 39.726405][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.726600][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.726797][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.727002][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.727216][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.727466][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.727727][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.727976][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.728232][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.728478][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.728713][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.728953][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.729157][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.729408][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.729607][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.729804][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.730049][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.730250][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.730491][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.730691][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.730880][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.731142][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.731345][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.731541][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.731734][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.731924][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.732163][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.732403][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.732651][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.732843][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.733032][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.733236][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.733441][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.733587][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.733781][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.733982][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.734127][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.734330][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.734530][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.734726][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.734919][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.735104][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.735308][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.735504][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.735696][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.735902][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.736091][ T313] ? 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) 
[ 39.736291][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.736483][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.736676][ T313] ? 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) 
[ 39.736873][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.737067][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.737261][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.737498][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.737689][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.737922][  T313] RIP: 0033:0x7f45f0d42a4a
[ 39.738124][ T313] Code: Unable to access opcode bytes at 0x7f45f0d42a20.

Code starting with the faulting instruction
===========================================
[   39.738393][  T313] RSP: 002b:00007fff931030d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.738675][  T313] RAX: ffffffffffffffda RBX: 00000000051d1b00 RCX: 00007f45f0d42a4a
[   39.738953][  T313] RDX: 0000000000000034 RSI: 00000000051d1b00 RDI: 0000000000000005
[   39.739237][  T313] RBP: 00000000051d1910 R08: 00007f45f0ee6200 R09: 000000000000000c
[   39.739518][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.739792][  T313] R13: 00000000051d1910 R14: 0000000000000000 R15: 0000000000000001
| [   39.751722][  T313] ------------[ cut here ]------------
| [ 39.751927][ T313] WARNING: CPU: 3 PID: 313 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) 
| [   39.752309][  T313] Modules linked in: netdevsim
| [   39.752842][  T313] Tainted: [W]=WARN
[   39.752986][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.753231][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.753473][ T313] 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
[   39.754133][  T313] RSP: 0018:ffffc900005371e8 EFLAGS: 00010246
[   39.754378][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.754657][  T313] RDX: 0000000000000000 RSI: ffff88800af9ac98 RDI: ffff88800d562dc0
[   39.754932][  T313] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   39.755216][  T313] R10: ffffffffb91ec1e7 R11: ffff88800d562300 R12: 0000000000000000
[   39.755500][  T313] R13: ffff88800af9a128 R14: ffff88800af9a008 R15: ffff88800af9a000
[   39.755778][  T313] FS:  00007f45f0b36800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   39.756107][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.756353][  T313] CR2: 00007f45f0d42a20 CR3: 0000000005702001 CR4: 0000000000772ef0
[   39.756641][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.756920][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.757305][  T313] PKRU: 55555554
[   39.757447][  T313] Call Trace:
[   39.757590][  T313]  <TASK>
[ 39.757688][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.757879][ T313] ? __warn (kernel/panic.c:748) 
[ 39.758031][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.758231][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.758427][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.758573][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.758767][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.758965][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.759172][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.759383][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.759625][ T313] ? _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) 
[ 39.759820][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.760012][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.760218][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.760418][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.760618][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.760867][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.761130][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.761421][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.761671][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.761944][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.762202][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.762440][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.762633][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.762916][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.763111][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.763343][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.763597][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.763798][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.764045][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.764262][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.764455][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.764705][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.764898][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.765099][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.765306][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.765507][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.765735][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.765967][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.766220][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.766416][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.766625][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.766829][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.767042][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.767203][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.767402][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.767606][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.767751][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.767949][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.768159][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.768358][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.768553][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.768739][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.768934][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.769133][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.769339][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.769541][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.769729][ T313] ? 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) 
[ 39.769941][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.770141][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.770343][ T313] ? 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) 
[ 39.770550][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.770756][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.770952][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.771213][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.771417][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.771651][  T313] RIP: 0033:0x7f45f0d42a4a
[ 39.771852][ T313] Code: Unable to access opcode bytes at 0x7f45f0d42a20.

Code starting with the faulting instruction
===========================================
[   39.772100][  T313] RSP: 002b:00007fff931030d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.772396][  T313] RAX: ffffffffffffffda RBX: 00000000051d1b00 RCX: 00007f45f0d42a4a
[   39.772681][  T313] RDX: 0000000000000034 RSI: 00000000051d1b00 RDI: 0000000000000005
[   39.772960][  T313] RBP: 00000000051d1910 R08: 00007f45f0ee6200 R09: 000000000000000c
[   39.773262][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.773542][  T313] R13: 00000000051d1910 R14: 0000000000000000 R15: 0000000000000001
| [   39.794035][  T313] ------------[ cut here ]------------
| [ 39.794263][ T313] WARNING: CPU: 1 PID: 313 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) 
| [   39.794653][  T313] Modules linked in: netdevsim
| [   39.795194][  T313] Tainted: [W]=WARN
[   39.795340][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.795574][ T313] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.795818][ T313] 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
[   39.796487][  T313] RSP: 0018:ffffc900005371e8 EFLAGS: 00010246
[   39.796764][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.797050][  T313] RDX: 0000000000000000 RSI: ffff88800d432c98 RDI: ffff88800d562dc0
[   39.797345][  T313] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   39.797625][  T313] R10: ffffffffb91ec1e7 R11: ffff88800d562300 R12: 0000000000000000
[   39.797909][  T313] R13: ffff88800d432128 R14: ffff88800d432008 R15: ffff88800d432000
[   39.798198][  T313] FS:  00007f45f0b36800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   39.798535][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.798773][  T313] CR2: 000055a24f08fbc8 CR3: 0000000005702006 CR4: 0000000000772ef0
[   39.799061][  T313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.799351][  T313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.799634][  T313] PKRU: 55555554
[   39.799780][  T313] Call Trace:
[   39.799925][  T313]  <TASK>
[ 39.800023][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.800223][ T313] ? __warn (kernel/panic.c:748) 
[ 39.800371][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.800564][ T313] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.800761][ T313] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.800905][ T313] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.801106][ T313] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.801319][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 39.801510][ T313] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 39.801703][ T313] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 39.801946][ T313] ? _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) 
[ 39.802142][ T313] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.802349][ T313] register_netdevice (net/core/dev.c:11003) 
[ 39.802549][ T313] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 39.802751][ T313] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.802955][ T313] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.803214][ T313] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.803472][ T313] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.803730][ T313] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.803977][ T313] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.804227][ T313] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.804463][ T313] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 39.804700][ T313] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.804890][ T313] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.805142][ T313] devlink_reload (net/devlink/dev.c:474) 
[ 39.805350][ T313] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.805542][ T313] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.805785][ T313] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.805977][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.806226][ T313] ? __nla_parse (lib/nlattr.c:732) 
[ 39.806426][ T313] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.806622][ T313] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.806872][ T313] ? cap_capable (security/commoncap.c:131) 
[ 39.807063][ T313] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.807266][ T313] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.807458][ T313] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.807649][ T313] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.807879][ T313] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.808120][ T313] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.808374][ T313] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.808566][ T313] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.808754][ T313] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.808959][ T313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.809171][ T313] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.809323][ T313] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.809514][ T313] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.809712][ T313] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.809856][ T313] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.810050][ T313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.810249][ T313] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.810452][ T313] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.810648][ T313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.810838][ T313] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.811029][ T313] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.811241][ T313] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.811436][ T313] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.811636][ T313] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.811824][ T313] ? 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) 
[ 39.812016][ T313] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.812223][ T313] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.812422][ T313] ? 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) 
[ 39.812618][ T313] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.812812][ T313] __x64_sys_sendto (net/socket.c:2181) 
[ 39.813003][ T313] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.813247][ T313] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.813443][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.813683][  T313] RIP: 0033:0x7f45f0d42a4a
[ 39.813885][ T313] Code: Unable to access opcode bytes at 0x7f45f0d42a20.

Code starting with the faulting instruction
===========================================
[   39.814128][  T313] RSP: 002b:00007fff931030d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.814425][  T313] RAX: ffffffffffffffda RBX: 00000000051d1b00 RCX: 00007f45f0d42a4a
[   39.814706][  T313] RDX: 0000000000000034 RSI: 00000000051d1b00 RDI: 0000000000000005
[   39.814991][  T313] RBP: 00000000051d1910 R08: 00007f45f0ee6200 R09: 000000000000000c
[   39.815280][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.815566][  T313] R13: 00000000051d1910 R14: 0000000000000000 R15: 0000000000000001
| [   42.413934][  T405] ------------[ cut here ]------------
| [ 42.414313][ T405] WARNING: CPU: 2 PID: 405 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) 
| [   42.414713][  T405] Modules linked in: netdevsim
| [   42.415717][  T405] Tainted: [W]=WARN
[   42.415876][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.416128][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.416397][ T405] 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
[   42.417073][  T405] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.417342][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.417641][  T405] RDX: 0000000000000000 RSI: ffff8880024c2c98 RDI: ffff88800d580b00
[   42.417936][  T405] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   42.418248][  T405] R10: ffffffffb91ec1e7 R11: ffff88800d580040 R12: 0000000000000000
[   42.418546][  T405] R13: ffff8880024c2128 R14: ffff8880024c2008 R15: ffff8880024c2000
[   42.418842][  T405] FS:  00007fd431425800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.419193][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.419443][  T405] CR2: 00007f4143c065a0 CR3: 000000000a552003 CR4: 0000000000772ef0
[   42.419743][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.420041][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.420349][  T405] PKRU: 55555554
[   42.420513][  T405] Call Trace:
[   42.420670][  T405]  <TASK>
[ 42.420781][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.420989][ T405] ? __warn (kernel/panic.c:748) 
[ 42.421173][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.421381][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.421594][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.421758][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.421962][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.422193][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.422399][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.422613][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.422876][ T405] ? _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) 
[ 42.423089][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.423314][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.423526][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.423744][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.423966][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.424238][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.424512][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.424781][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.425041][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.425311][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.425564][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.425810][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.426015][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.426287][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.426503][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.426708][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.426963][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.427179][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.427428][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.427644][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.427850][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.428113][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.428330][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.428547][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.428753][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.428969][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.429228][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.429481][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.429742][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.429951][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.430167][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.430383][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.430603][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.430771][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.430978][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.431212][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.431370][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.431586][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.431791][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.432001][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.432225][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.432432][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.432639][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.432854][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.433069][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.433298][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.433502][ T405] ? 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) 
[ 42.433706][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.433920][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.434130][ T405] ? 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) 
[ 42.434353][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.434558][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.434763][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.435011][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.435230][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.435477][  T405] RIP: 0033:0x7fd431631a4a
[ 42.435690][ T405] 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
[   42.436371][  T405] RSP: 002b:00007ffe5aa8e4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.436677][  T405] RAX: ffffffffffffffda RBX: 0000000001cafb00 RCX: 00007fd431631a4a
[   42.436974][  T405] RDX: 0000000000000034 RSI: 0000000001cafb00 RDI: 0000000000000005
[   42.437276][  T405] RBP: 0000000001caf910 R08: 00007fd4317d5200 R09: 000000000000000c
[   42.437566][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.437863][  T405] R13: 0000000001caf910 R14: 0000000000000000 R15: 0000000000000001
| [   42.458214][  T405] ------------[ cut here ]------------
| [ 42.458470][ T405] WARNING: CPU: 2 PID: 405 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) 
| [   42.458867][  T405] Modules linked in: netdevsim
| [   42.459457][  T405] Tainted: [W]=WARN
[   42.459617][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.459868][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.460121][ T405] 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
[   42.460826][  T405] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.461089][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.461395][  T405] RDX: 0000000000000000 RSI: ffff88800597ac98 RDI: ffff88800d580b00
[   42.461698][  T405] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   42.461995][  T405] R10: ffffffffb91ec1e7 R11: ffff88800d580040 R12: 0000000000000000
[   42.462296][  T405] R13: ffff88800597a128 R14: ffff88800597a008 R15: ffff88800597a000
[   42.462591][  T405] FS:  00007fd431425800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.462933][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.463198][  T405] CR2: 00007f4143c065a0 CR3: 000000000a552003 CR4: 0000000000772ef0
[   42.463496][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.463788][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.464085][  T405] PKRU: 55555554
[   42.464254][  T405] Call Trace:
[   42.464412][  T405]  <TASK>
[ 42.464522][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.464725][ T405] ? __warn (kernel/panic.c:748) 
[ 42.464883][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.465086][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.465310][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.465470][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.465673][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.465888][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.466097][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.466320][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.466575][ T405] ? _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) 
[ 42.466785][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.466993][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.467214][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.467430][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.467653][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.467920][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.468199][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.468461][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.468716][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.468972][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.469228][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.469485][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.469686][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.469951][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.470170][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.470381][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.470639][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.470854][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.471112][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.471337][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.471543][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.471808][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.472011][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.472235][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.472447][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.472653][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.472900][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.473171][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.473434][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.473640][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.473843][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.474055][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.474287][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.474450][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.474659][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.474871][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.475033][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.475251][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.475464][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.475691][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.475906][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.476107][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.476325][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.476542][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.476753][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.476967][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.477182][ T405] ? 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) 
[ 42.477391][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.477597][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.477808][ T405] ? 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) 
[ 42.478014][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.478232][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.478436][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.478690][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.478906][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.479167][  T405] RIP: 0033:0x7fd431631a4a
[ 42.479386][ T405] Code: Unable to access opcode bytes at 0x7fd431631a20.

Code starting with the faulting instruction
===========================================
[   42.479641][  T405] RSP: 002b:00007ffe5aa8e4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.479956][  T405] RAX: ffffffffffffffda RBX: 0000000001cafb00 RCX: 00007fd431631a4a
[   42.480274][  T405] RDX: 0000000000000034 RSI: 0000000001cafb00 RDI: 0000000000000005
[   42.480570][  T405] RBP: 0000000001caf910 R08: 00007fd4317d5200 R09: 000000000000000c
[   42.480860][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.481176][  T405] R13: 0000000001caf910 R14: 0000000000000000 R15: 0000000000000001
| [   42.493907][  T405] ------------[ cut here ]------------
| [ 42.494162][ T405] WARNING: CPU: 2 PID: 405 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) 
| [   42.494562][  T405] Modules linked in: netdevsim
| [   42.495119][  T405] Tainted: [W]=WARN
[   42.495298][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.495546][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.495802][ T405] 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
[   42.496511][  T405] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.496760][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.497054][  T405] RDX: 0000000000000000 RSI: ffff88800af2ac98 RDI: ffff88800d580b00
[   42.497370][  T405] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   42.497662][  T405] R10: ffffffffb91ec1e7 R11: ffff88800d580040 R12: 0000000000000000
[   42.497953][  T405] R13: ffff88800af2a128 R14: ffff88800af2a008 R15: ffff88800af2a000
[   42.498257][  T405] FS:  00007fd431425800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.498599][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.498855][  T405] CR2: 00007fd431631a20 CR3: 000000000a552003 CR4: 0000000000772ef0
[   42.499163][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.499460][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.499750][  T405] PKRU: 55555554
[   42.499908][  T405] Call Trace:
[   42.500067][  T405]  <TASK>
[ 42.500195][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.500398][ T405] ? __warn (kernel/panic.c:748) 
[ 42.500554][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.500759][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.500970][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.501137][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.501350][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.501567][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.501775][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.501987][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.502253][ T405] ? _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) 
[ 42.502466][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.502673][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.502884][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.503106][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.503338][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.503601][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.503869][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.504135][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.504411][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.504673][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.504923][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.505188][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.505396][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.505659][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.505869][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.506081][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.506353][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.506561][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.506813][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.507031][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.507297][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.507567][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.507772][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.507982][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.508199][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.508407][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.508655][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.508908][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.509185][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.509394][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.509602][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.509809][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.510025][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.510203][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.510409][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.510627][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.510786][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.510994][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.511219][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.511435][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.511643][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.511845][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.512060][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.512286][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.512494][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.512707][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.512910][ T405] ? 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) 
[ 42.513118][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.513341][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.513549][ T405] ? 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) 
[ 42.513763][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.513972][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.514189][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.514442][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.514651][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.514904][  T405] RIP: 0033:0x7fd431631a4a
[ 42.515117][ T405] Code: Unable to access opcode bytes at 0x7fd431631a20.

Code starting with the faulting instruction
===========================================
[   42.515384][  T405] RSP: 002b:00007ffe5aa8e4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.515685][  T405] RAX: ffffffffffffffda RBX: 0000000001cafb00 RCX: 00007fd431631a4a
[   42.515978][  T405] RDX: 0000000000000034 RSI: 0000000001cafb00 RDI: 0000000000000005
[   42.516279][  T405] RBP: 0000000001caf910 R08: 00007fd4317d5200 R09: 000000000000000c
[   42.516582][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.516886][  T405] R13: 0000000001caf910 R14: 0000000000000000 R15: 0000000000000001
| [   42.536533][  T405] ------------[ cut here ]------------
| [ 42.536766][ T405] WARNING: CPU: 2 PID: 405 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) 
| [   42.537170][  T405] Modules linked in: netdevsim
| [   42.537732][  T405] Tainted: [W]=WARN
[   42.537895][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.538158][ T405] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.538416][ T405] 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
[   42.539082][  T405] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.539350][  T405] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.539649][  T405] RDX: 0000000000000000 RSI: ffff88800b98ac98 RDI: ffff88800d580b00
[   42.539939][  T405] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   42.540244][  T405] R10: ffffffffb91ec1e7 R11: ffff88800d580040 R12: 0000000000000000
[   42.540544][  T405] R13: ffff88800b98a128 R14: ffff88800b98a008 R15: ffff88800b98a000
[   42.540838][  T405] FS:  00007fd431425800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.541199][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.541450][  T405] CR2: 00007fd431631a20 CR3: 000000000a552003 CR4: 0000000000772ef0
[   42.541746][  T405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.542039][  T405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.542340][  T405] PKRU: 55555554
[   42.542496][  T405] Call Trace:
[   42.542648][  T405]  <TASK>
[ 42.542756][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.542960][ T405] ? __warn (kernel/panic.c:748) 
[ 42.543118][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.543331][ T405] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.543538][ T405] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.543702][ T405] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.543902][ T405] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.544117][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.544334][ T405] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.544544][ T405] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.544795][ T405] ? _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) 
[ 42.545002][ T405] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.545223][ T405] register_netdevice (net/core/dev.c:11003) 
[ 42.545431][ T405] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.545643][ T405] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.545861][ T405] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.546117][ T405] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.546392][ T405] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.546661][ T405] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.546927][ T405] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.547193][ T405] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.547443][ T405] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.547695][ T405] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.547902][ T405] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.548182][ T405] devlink_reload (net/devlink/dev.c:474) 
[ 42.548393][ T405] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.548597][ T405] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.548856][ T405] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.549064][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.549329][ T405] ? __nla_parse (lib/nlattr.c:732) 
[ 42.549547][ T405] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.549755][ T405] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.550020][ T405] ? cap_capable (security/commoncap.c:131) 
[ 42.550236][ T405] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.550445][ T405] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.550650][ T405] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.550857][ T405] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.551115][ T405] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.551374][ T405] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.551634][ T405] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.551839][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.552044][ T405] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.552263][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.552479][ T405] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.552644][ T405] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.552846][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.553056][ T405] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.553239][ T405] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.553448][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.553651][ T405] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.553862][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.554204][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.554410][ T405] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.554614][ T405] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.554825][ T405] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.555162][ T405] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.555374][ T405] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.555574][ T405] ? 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) 
[ 42.555777][ T405] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.556228][ T405] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.556438][ T405] ? 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) 
[ 42.556646][ T405] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.556854][ T405] __x64_sys_sendto (net/socket.c:2181) 
[ 42.557059][ T405] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.557328][ T405] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.557655][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.557900][  T405] RIP: 0033:0x7fd431631a4a
[ 42.558244][ T405] Code: Unable to access opcode bytes at 0x7fd431631a20.

Code starting with the faulting instruction
===========================================
[   42.558498][  T405] RSP: 002b:00007ffe5aa8e4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.558796][  T405] RAX: ffffffffffffffda RBX: 0000000001cafb00 RCX: 00007fd431631a4a
[   42.559087][  T405] RDX: 0000000000000034 RSI: 0000000001cafb00 RDI: 0000000000000005
[   42.559390][  T405] RBP: 0000000001caf910 R08: 00007fd4317d5200 R09: 000000000000000c
[   42.559681][  T405] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.559970][  T405] R13: 0000000001caf910 R14: 0000000000000000 R15: 0000000000000001
| [   42.969651][  T419] ------------[ cut here ]------------
| [ 42.969922][ T419] WARNING: CPU: 2 PID: 419 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) 
| [   42.970340][  T419] Modules linked in: netdevsim
| [   42.970903][  T419] Tainted: [W]=WARN
[   42.971067][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.971338][ T419] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.971593][ T419] 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
[   42.972275][  T419] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   42.972533][  T419] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.972837][  T419] RDX: 0000000000000000 RSI: ffff88800a18ac98 RDI: ffff88800ac7adc0
[   42.973136][  T419] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   42.973448][  T419] R10: ffffffffb91ec1e7 R11: ffff88800ac7a300 R12: 0000000000000000
[   42.973751][  T419] R13: ffff88800a18a128 R14: ffff88800a18a008 R15: ffff88800a18a000
[   42.974051][  T419] FS:  00007f42e5c85800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.974409][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.974661][  T419] CR2: 000000000041ecd0 CR3: 000000000864a002 CR4: 0000000000772ef0
[   42.974960][  T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.975265][  T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.975566][  T419] PKRU: 55555554
[   42.975733][  T419] Call Trace:
[   42.975893][  T419]  <TASK>
[ 42.976007][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.976227][ T419] ? __warn (kernel/panic.c:748) 
[ 42.976399][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.976610][ T419] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.976824][ T419] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.976986][ T419] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.977203][ T419] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.977426][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 42.977630][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 42.977844][ T419] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 42.978100][ T419] ? _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) 
[ 42.978338][ T419] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.978548][ T419] register_netdevice (net/core/dev.c:11003) 
[ 42.978757][ T419] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 42.978971][ T419] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.979203][ T419] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.979469][ T419] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.979735][ T419] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.980000][ T419] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.980273][ T419] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.980533][ T419] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.980780][ T419] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 42.981037][ T419] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.981325][ T419] devlink_reload (net/devlink/dev.c:474) 
[ 42.981544][ T419] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.981764][ T419] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.982030][ T419] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.982261][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.982517][ T419] ? __nla_parse (lib/nlattr.c:732) 
[ 42.982738][ T419] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.982950][ T419] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.983231][ T419] ? cap_capable (security/commoncap.c:131) 
[ 42.983437][ T419] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.983646][ T419] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.983860][ T419] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.984065][ T419] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.984322][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.984570][ T419] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.984838][ T419] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.985044][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.985264][ T419] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.985475][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.985698][ T419] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.985858][ T419] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.986064][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.986289][ T419] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.986449][ T419] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.986657][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.986866][ T419] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.987081][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.987298][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.987501][ T419] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.987707][ T419] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.987922][ T419] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.988136][ T419] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.988360][ T419] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.988564][ T419] ? 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) 
[ 42.988769][ T419] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.988980][ T419] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.989201][ T419] ? 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) 
[ 42.989409][ T419] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.989621][ T419] __x64_sys_sendto (net/socket.c:2181) 
[ 42.989829][ T419] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.990077][ T419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.990292][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.990542][  T419] RIP: 0033:0x7f42e5e91a4a
[ 42.990756][ T419] 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
[   42.991450][  T419] RSP: 002b:00007ffec9b5bb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.991755][  T419] RAX: ffffffffffffffda RBX: 0000000027e36b00 RCX: 00007f42e5e91a4a
[   42.992051][  T419] RDX: 0000000000000034 RSI: 0000000027e36b00 RDI: 0000000000000005
[   42.992360][  T419] RBP: 0000000027e36910 R08: 00007f42e6035200 R09: 000000000000000c
[   42.992660][  T419] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.992959][  T419] R13: 0000000027e36910 R14: 0000000000000000 R15: 0000000000000001
| [   43.019040][  T419] ------------[ cut here ]------------
| [ 43.019308][ T419] WARNING: CPU: 2 PID: 419 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) 
| [   43.019710][  T419] Modules linked in: netdevsim
| [   43.020284][  T419] Tainted: [W]=WARN
[   43.020442][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.020695][ T419] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.021004][ T419] 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
[   43.021702][  T419] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   43.021957][  T419] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.022269][  T419] RDX: 0000000000000000 RSI: ffff888008afac98 RDI: ffff88800ac7adc0
[   43.022579][  T419] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   43.022875][  T419] R10: ffffffffb91ec1e7 R11: ffff88800ac7a300 R12: 0000000000000000
[   43.023183][  T419] R13: ffff888008afa128 R14: ffff888008afa008 R15: ffff888008afa000
[   43.023481][  T419] FS:  00007f42e5c85800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.023824][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.024080][  T419] CR2: 00007f4144025400 CR3: 000000000864a002 CR4: 0000000000772ef0
[   43.024388][  T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.024688][  T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.024984][  T419] PKRU: 55555554
[   43.025144][  T419] Call Trace:
[   43.025312][  T419]  <TASK>
[ 43.025426][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.025632][ T419] ? __warn (kernel/panic.c:748) 
[ 43.025793][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.026002][ T419] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.026227][ T419] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.026395][ T419] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.026598][ T419] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.026818][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.027025][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.027248][ T419] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.027502][ T419] ? _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) 
[ 43.027711][ T419] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.027925][ T419] register_netdevice (net/core/dev.c:11003) 
[ 43.028134][ T419] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.028362][ T419] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.028582][ T419] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.028847][ T419] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.029116][ T419] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.029400][ T419] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.029665][ T419] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.029930][ T419] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.030190][ T419] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.030444][ T419] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 43.030716][ T419] devlink_reload (net/devlink/dev.c:474) 
[ 43.030924][ T419] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.031141][ T419] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.031412][ T419] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.031618][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.031870][ T419] ? __nla_parse (lib/nlattr.c:732) 
[ 43.032089][ T419] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.032314][ T419] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.032580][ T419] ? cap_capable (security/commoncap.c:131) 
[ 43.032784][ T419] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.032999][ T419] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.033217][ T419] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.033428][ T419] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.033686][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.033936][ T419] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.034206][ T419] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.034414][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.034614][ T419] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.034828][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.035046][ T419] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.035225][ T419] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.035433][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.035643][ T419] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.035812][ T419] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.036018][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.036234][ T419] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.036446][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.036659][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.036861][ T419] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.037066][ T419] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.037289][ T419] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.037500][ T419] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.037715][ T419] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.037911][ T419] ? 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) 
[ 43.038131][ T419] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.038350][ T419] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.038560][ T419] ? 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) 
[ 43.038765][ T419] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.038973][ T419] __x64_sys_sendto (net/socket.c:2181) 
[ 43.039186][ T419] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.039433][ T419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.039640][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.039887][  T419] RIP: 0033:0x7f42e5e91a4a
[ 43.040098][ T419] Code: Unable to access opcode bytes at 0x7f42e5e91a20.

Code starting with the faulting instruction
===========================================
[   43.040362][  T419] RSP: 002b:00007ffec9b5bb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.040658][  T419] RAX: ffffffffffffffda RBX: 0000000027e36b00 RCX: 00007f42e5e91a4a
[   43.040951][  T419] RDX: 0000000000000034 RSI: 0000000027e36b00 RDI: 0000000000000005
[   43.041267][  T419] RBP: 0000000027e36910 R08: 00007f42e6035200 R09: 000000000000000c
[   43.041558][  T419] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.041852][  T419] R13: 0000000027e36910 R14: 0000000000000000 R15: 0000000000000001
| [   43.056219][  T419] ------------[ cut here ]------------
| [ 43.056452][ T419] WARNING: CPU: 2 PID: 419 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) 
| [   43.056843][  T419] Modules linked in: netdevsim
| [   43.057429][  T419] Tainted: [W]=WARN
[   43.057590][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.057840][ T419] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.058096][ T419] 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
[   43.058799][  T419] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   43.059056][  T419] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.059399][  T419] RDX: 0000000000000000 RSI: ffff88800561ac98 RDI: ffff88800ac7adc0
[   43.059701][  T419] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   43.060007][  T419] R10: ffffffffb91ec1e7 R11: ffff88800ac7a300 R12: 0000000000000000
[   43.060317][  T419] R13: ffff88800561a128 R14: ffff88800561a008 R15: ffff88800561a000
[   43.060614][  T419] FS:  00007f42e5c85800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.060954][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.061233][  T419] CR2: 00007f42e5e91a20 CR3: 000000000864a002 CR4: 0000000000772ef0
[   43.061534][  T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.061827][  T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.062125][  T419] PKRU: 55555554
[   43.062296][  T419] Call Trace:
[   43.062455][  T419]  <TASK>
[ 43.062565][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.062775][ T419] ? __warn (kernel/panic.c:748) 
[ 43.062938][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.063142][ T419] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.063366][ T419] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.063524][ T419] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.063732][ T419] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.063945][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.064165][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.064379][ T419] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.064637][ T419] ? _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) 
[ 43.064845][ T419] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.065058][ T419] register_netdevice (net/core/dev.c:11003) 
[ 43.065281][ T419] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.065506][ T419] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.065730][ T419] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.065991][ T419] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.066271][ T419] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.066537][ T419] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.066796][ T419] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.067053][ T419] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.067322][ T419] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.067578][ T419] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 43.067841][ T419] devlink_reload (net/devlink/dev.c:474) 
[ 43.068050][ T419] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.068268][ T419] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.068532][ T419] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.068743][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.068995][ T419] ? __nla_parse (lib/nlattr.c:732) 
[ 43.069223][ T419] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.069432][ T419] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.069695][ T419] ? cap_capable (security/commoncap.c:131) 
[ 43.069903][ T419] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.070114][ T419] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.070331][ T419] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.070537][ T419] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.070784][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.071031][ T419] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.071312][ T419] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.071520][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.071727][ T419] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.071934][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.072161][ T419] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.072321][ T419] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.072526][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.072738][ T419] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.072892][ T419] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.073106][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.073332][ T419] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.073544][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.073753][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.073955][ T419] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.074170][ T419] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.074386][ T419] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.074593][ T419] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.074816][ T419] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.075017][ T419] ? 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) 
[ 43.075247][ T419] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.075455][ T419] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.075663][ T419] ? 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) 
[ 43.075869][ T419] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.076077][ T419] __x64_sys_sendto (net/socket.c:2181) 
[ 43.076298][ T419] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.076558][ T419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.076764][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.077011][  T419] RIP: 0033:0x7f42e5e91a4a
[ 43.077235][ T419] Code: Unable to access opcode bytes at 0x7f42e5e91a20.

Code starting with the faulting instruction
===========================================
[   43.077488][  T419] RSP: 002b:00007ffec9b5bb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.077788][  T419] RAX: ffffffffffffffda RBX: 0000000027e36b00 RCX: 00007f42e5e91a4a
[   43.078088][  T419] RDX: 0000000000000034 RSI: 0000000027e36b00 RDI: 0000000000000005
[   43.078395][  T419] RBP: 0000000027e36910 R08: 00007f42e6035200 R09: 000000000000000c
[   43.078689][  T419] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.078981][  T419] R13: 0000000027e36910 R14: 0000000000000000 R15: 0000000000000001
| [   43.091034][  T419] ------------[ cut here ]------------
| [ 43.091363][ T419] WARNING: CPU: 0 PID: 419 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) 
| [   43.091739][  T419] Modules linked in: netdevsim
| [   43.092358][  T419] Tainted: [W]=WARN
[   43.092505][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.092743][ T419] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.092985][ T419] 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
[   43.093763][  T419] RSP: 0018:ffffc90000bb71e8 EFLAGS: 00010246
[   43.094004][  T419] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.094366][  T419] RDX: 0000000000000000 RSI: ffff88800d432c98 RDI: ffff88800ac7adc0
[   43.094650][  T419] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   43.094940][  T419] R10: ffffffffb91ec1e7 R11: ffff88800ac7a300 R12: 0000000000000000
[   43.095231][  T419] R13: ffff88800d432128 R14: ffff88800d432008 R15: ffff88800d432000
[   43.095516][  T419] FS:  00007f42e5c85800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.095845][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.096084][  T419] CR2: 000055a24f08fdb8 CR3: 000000000864a001 CR4: 0000000000772ef0
[   43.096382][  T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.096665][  T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.096946][  T419] PKRU: 55555554
[   43.097090][  T419] Call Trace:
[   43.097246][  T419]  <TASK>
[ 43.097345][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.097544][ T419] ? __warn (kernel/panic.c:748) 
[ 43.097690][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.097884][ T419] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.098080][ T419] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.098239][ T419] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.098432][ T419] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.098633][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.098829][ T419] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.099027][ T419] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.099285][ T419] ? _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) 
[ 43.099484][ T419] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.099680][ T419] register_netdevice (net/core/dev.c:11003) 
[ 43.099877][ T419] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.100083][ T419] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.100298][ T419] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.100548][ T419] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.100801][ T419] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.101058][ T419] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.101314][ T419] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.101558][ T419] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.101793][ T419] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.102033][ T419] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 43.102293][ T419] devlink_reload (net/devlink/dev.c:474) 
[ 43.102494][ T419] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.102693][ T419] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.102944][ T419] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.103137][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.103384][ T419] ? __nla_parse (lib/nlattr.c:732) 
[ 43.103587][ T419] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.103779][ T419] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.104031][ T419] ? cap_capable (security/commoncap.c:131) 
[ 43.104232][ T419] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.104432][ T419] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.104625][ T419] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.104815][ T419] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.105049][ T419] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.105290][ T419] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.105544][ T419] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.105738][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.105927][ T419] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.106121][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.106336][ T419] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.106481][ T419] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.106675][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.106873][ T419] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.107021][ T419] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.107224][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.107414][ T419] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.107612][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.107806][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.107993][ T419] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.108196][ T419] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.108397][ T419] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.108593][ T419] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.108793][ T419] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.108979][ T419] ? 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) 
[ 43.109177][ T419] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.109368][ T419] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.109559][ T419] ? 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) 
[ 43.109752][ T419] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.109947][ T419] __x64_sys_sendto (net/socket.c:2181) 
[ 43.110135][ T419] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.110379][ T419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.110570][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.110802][  T419] RIP: 0033:0x7f42e5e91a4a
[ 43.110999][ T419] Code: Unable to access opcode bytes at 0x7f42e5e91a20.

Code starting with the faulting instruction
===========================================
[   43.111253][  T419] RSP: 002b:00007ffec9b5bb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.111540][  T419] RAX: ffffffffffffffda RBX: 0000000027e36b00 RCX: 00007f42e5e91a4a
[   43.111819][  T419] RDX: 0000000000000034 RSI: 0000000027e36b00 RDI: 0000000000000005
[   43.112096][  T419] RBP: 0000000027e36910 R08: 00007f42e6035200 R09: 000000000000000c
[   43.112382][  T419] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.112665][  T419] R13: 0000000027e36910 R14: 0000000000000000 R15: 0000000000000001
| [   43.527456][  T434] ------------[ cut here ]------------
| [ 43.527794][ T434] WARNING: CPU: 2 PID: 434 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) 
| [   43.528204][  T434] Modules linked in: netdevsim
| [   43.528763][  T434] Tainted: [W]=WARN
[   43.528924][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.529181][ T434] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.529436][ T434] 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
[   43.530097][  T434] RSP: 0018:ffffc90000c071e8 EFLAGS: 00010246
[   43.530358][  T434] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.530648][  T434] RDX: 0000000000000000 RSI: ffff88800b0c2c98 RDI: ffff88800d582dc0
[   43.530939][  T434] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   43.531281][  T434] R10: ffffffffb91ec1e7 R11: ffff88800d582300 R12: 0000000000000000
[   43.531574][  T434] R13: ffff88800b0c2128 R14: ffff88800b0c2008 R15: ffff88800b0c2000
[   43.531866][  T434] FS:  00007f7ac52b5800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.532219][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.532468][  T434] CR2: 000055a24f074ef8 CR3: 000000000d5a8005 CR4: 0000000000772ef0
[   43.532758][  T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.533051][  T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.533350][  T434] PKRU: 55555554
[   43.533505][  T434] Call Trace:
[   43.533658][  T434]  <TASK>
[ 43.533771][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.533976][ T434] ? __warn (kernel/panic.c:748) 
[ 43.534140][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.534355][ T434] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.534566][ T434] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.534728][ T434] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.534930][ T434] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.535157][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.535364][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.535571][ T434] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.535825][ T434] ? _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) 
[ 43.536034][ T434] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.536254][ T434] register_netdevice (net/core/dev.c:11003) 
[ 43.536462][ T434] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.536673][ T434] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.536892][ T434] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.537156][ T434] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.537422][ T434] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.537681][ T434] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.537940][ T434] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.538205][ T434] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.538455][ T434] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.538704][ T434] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.538909][ T434] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.539180][ T434] devlink_reload (net/devlink/dev.c:474) 
[ 43.539391][ T434] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.539600][ T434] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.539857][ T434] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.540063][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.540329][ T434] ? __nla_parse (lib/nlattr.c:732) 
[ 43.540541][ T434] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.540752][ T434] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.541016][ T434] ? cap_capable (security/commoncap.c:131) 
[ 43.541241][ T434] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.541451][ T434] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.541663][ T434] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.541865][ T434] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.542118][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.542374][ T434] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.542635][ T434] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.542839][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.543044][ T434] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.543262][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.543481][ T434] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.543642][ T434] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.543849][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.544060][ T434] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.544231][ T434] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.544438][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.544645][ T434] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.544857][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.545063][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.545275][ T434] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.545481][ T434] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.545692][ T434] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.545898][ T434] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.546108][ T434] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.546318][ T434] ? 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) 
[ 43.546521][ T434] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.546732][ T434] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.546937][ T434] ? 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) 
[ 43.547145][ T434] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.547362][ T434] __x64_sys_sendto (net/socket.c:2181) 
[ 43.547568][ T434] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.547812][ T434] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.548020][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.548276][  T434] RIP: 0033:0x7f7ac54c1a4a
[ 43.548487][ T434] 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
[   43.549160][  T434] RSP: 002b:00007ffdb7f19dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.549460][  T434] RAX: ffffffffffffffda RBX: 0000000017d62b00 RCX: 00007f7ac54c1a4a
[   43.549749][  T434] RDX: 0000000000000034 RSI: 0000000017d62b00 RDI: 0000000000000005
[   43.550044][  T434] RBP: 0000000017d62910 R08: 00007f7ac5665200 R09: 000000000000000c
[   43.550342][  T434] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.550633][  T434] R13: 0000000017d62910 R14: 0000000000000000 R15: 0000000000000001
| [   43.562997][  T434] ------------[ cut here ]------------
| [ 43.563248][ T434] WARNING: CPU: 2 PID: 434 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) 
| [   43.563635][  T434] Modules linked in: netdevsim
| [   43.564220][  T434] Tainted: [W]=WARN
[   43.564380][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.564625][ T434] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.564878][ T434] 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
[   43.565565][  T434] RSP: 0018:ffffc90000c071e8 EFLAGS: 00010246
[   43.565814][  T434] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.566107][  T434] RDX: 0000000000000000 RSI: ffff8880099d2c98 RDI: ffff88800d582dc0
[   43.566409][  T434] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   43.566700][  T434] R10: ffffffffb91ec1e7 R11: ffff88800d582300 R12: 0000000000000000
[   43.566993][  T434] R13: ffff8880099d2128 R14: ffff8880099d2008 R15: ffff8880099d2000
[   43.567378][  T434] FS:  00007f7ac52b5800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.567714][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.567959][  T434] CR2: 000055a24f074ef8 CR3: 000000000d5a8005 CR4: 0000000000772ef0
[   43.568278][  T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.568570][  T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.568868][  T434] PKRU: 55555554
[   43.569022][  T434] Call Trace:
[   43.569188][  T434]  <TASK>
[ 43.569300][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.569508][ T434] ? __warn (kernel/panic.c:748) 
[ 43.569667][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.569869][ T434] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.570076][ T434] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.570246][ T434] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.570444][ T434] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.570661][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.570861][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.571080][ T434] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.571343][ T434] ? _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) 
[ 43.571552][ T434] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.571754][ T434] register_netdevice (net/core/dev.c:11003) 
[ 43.571963][ T434] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.572189][ T434] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.572415][ T434] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.572670][ T434] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.572935][ T434] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.573206][ T434] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.573465][ T434] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.573717][ T434] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.573968][ T434] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.574227][ T434] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.574427][ T434] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.574686][ T434] devlink_reload (net/devlink/dev.c:474) 
[ 43.574894][ T434] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.575097][ T434] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.575365][ T434] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.575571][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.575822][ T434] ? __nla_parse (lib/nlattr.c:732) 
[ 43.576034][ T434] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.576251][ T434] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.576512][ T434] ? cap_capable (security/commoncap.c:131) 
[ 43.576715][ T434] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.576929][ T434] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.577134][ T434] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.577348][ T434] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.577594][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.577835][ T434] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.578093][ T434] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.578311][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.578513][ T434] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.578715][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.578932][ T434] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.579087][ T434] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.579300][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.579508][ T434] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.579662][ T434] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.579874][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.580077][ T434] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.580296][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.580501][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.580700][ T434] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.580903][ T434] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.581122][ T434] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.581344][ T434] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.581558][ T434] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.581757][ T434] ? 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) 
[ 43.581959][ T434] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.582173][ T434] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.582377][ T434] ? 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) 
[ 43.582582][ T434] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.582789][ T434] __x64_sys_sendto (net/socket.c:2181) 
[ 43.582992][ T434] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.583248][ T434] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.583452][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.583694][  T434] RIP: 0033:0x7f7ac54c1a4a
[ 43.583903][ T434] 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
[   43.584585][  T434] RSP: 002b:00007ffdb7f19dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.584879][  T434] RAX: ffffffffffffffda RBX: 0000000017d62b00 RCX: 00007f7ac54c1a4a
[   43.585186][  T434] RDX: 0000000000000034 RSI: 0000000017d62b00 RDI: 0000000000000005
[   43.585478][  T434] RBP: 0000000017d62910 R08: 00007f7ac5665200 R09: 000000000000000c
[   43.585770][  T434] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.586059][  T434] R13: 0000000017d62910 R14: 0000000000000000 R15: 0000000000000001
| [   43.598143][  T434] ------------[ cut here ]------------
| [ 43.598457][ T434] WARNING: CPU: 2 PID: 434 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) 
| [   43.598838][  T434] Modules linked in: netdevsim
| [   43.599406][  T434] Tainted: [W]=WARN
[   43.599565][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.599811][ T434] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.600062][ T434] 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
[   43.600734][  T434] RSP: 0018:ffffc90000c071e8 EFLAGS: 00010246
[   43.600981][  T434] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.601293][  T434] RDX: 0000000000000000 RSI: ffff88800aff2c98 RDI: ffff88800d582dc0
[   43.601584][  T434] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   43.601872][  T434] R10: ffffffffb91ec1e7 R11: ffff88800d582300 R12: 0000000000000000
[   43.602178][  T434] R13: ffff88800aff2128 R14: ffff88800aff2008 R15: ffff88800aff2000
[   43.602467][  T434] FS:  00007f7ac52b5800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.602804][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.603051][  T434] CR2: 000055a24f074ef8 CR3: 000000000d5a8005 CR4: 0000000000772ef0
[   43.603361][  T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.603650][  T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.603936][  T434] PKRU: 55555554
[   43.604093][  T434] Call Trace:
[   43.604259][  T434]  <TASK>
[ 43.604372][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.604573][ T434] ? __warn (kernel/panic.c:748) 
[ 43.604735][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.604938][ T434] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.605146][ T434] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.605315][ T434] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.605516][ T434] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.605729][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.605931][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.606142][ T434] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.606404][ T434] ? _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) 
[ 43.606612][ T434] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.606815][ T434] register_netdevice (net/core/dev.c:11003) 
[ 43.607019][ T434] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.607244][ T434] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.607466][ T434] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.607722][ T434] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.607985][ T434] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.608256][ T434] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.608514][ T434] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.608763][ T434] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.609012][ T434] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.609271][ T434] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.609474][ T434] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.609733][ T434] devlink_reload (net/devlink/dev.c:474) 
[ 43.609940][ T434] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.610143][ T434] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.610414][ T434] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.610619][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.610869][ T434] ? __nla_parse (lib/nlattr.c:732) 
[ 43.611086][ T434] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.611309][ T434] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.611567][ T434] ? cap_capable (security/commoncap.c:131) 
[ 43.611770][ T434] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.611981][ T434] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.612196][ T434] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.612397][ T434] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.612639][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.612880][ T434] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.613136][ T434] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.613354][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.613556][ T434] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.613759][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.613975][ T434] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.614132][ T434] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.614345][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.614556][ T434] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.614710][ T434] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.614918][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.615119][ T434] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.615341][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.615544][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.615743][ T434] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.615944][ T434] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.616165][ T434] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.616370][ T434] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.616587][ T434] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.616785][ T434] ? 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) 
[ 43.616984][ T434] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.617199][ T434] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.617402][ T434] ? 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) 
[ 43.617608][ T434] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.617811][ T434] __x64_sys_sendto (net/socket.c:2181) 
[ 43.618016][ T434] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.618270][ T434] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.618472][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.618714][  T434] RIP: 0033:0x7f7ac54c1a4a
[ 43.618919][ T434] 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
[   43.619628][  T434] RSP: 002b:00007ffdb7f19dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.619925][  T434] RAX: ffffffffffffffda RBX: 0000000017d62b00 RCX: 00007f7ac54c1a4a
[   43.620226][  T434] RDX: 0000000000000034 RSI: 0000000017d62b00 RDI: 0000000000000005
[   43.620518][  T434] RBP: 0000000017d62910 R08: 00007f7ac5665200 R09: 000000000000000c
[   43.620808][  T434] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.621107][  T434] R13: 0000000017d62910 R14: 0000000000000000 R15: 0000000000000001
| [   43.631369][  T434] ------------[ cut here ]------------
| [ 43.631592][ T434] WARNING: CPU: 2 PID: 434 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) 
| [   43.631975][  T434] Modules linked in: netdevsim
| [   43.632536][  T434] Tainted: [W]=WARN
[   43.632699][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.632945][ T434] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.633212][ T434] 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
[   43.633878][  T434] RSP: 0018:ffffc90000c071e8 EFLAGS: 00010246
[   43.634127][  T434] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.634430][  T434] RDX: 0000000000000000 RSI: ffff88800adf2c98 RDI: ffff88800d582dc0
[   43.634720][  T434] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   43.635011][  T434] R10: ffffffffb91ec1e7 R11: ffff88800d582300 R12: 0000000000000000
[   43.635316][  T434] R13: ffff88800adf2128 R14: ffff88800adf2008 R15: ffff88800adf2000
[   43.635606][  T434] FS:  00007f7ac52b5800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.635942][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.636200][  T434] CR2: 000055a24f074ef8 CR3: 000000000d5a8005 CR4: 0000000000772ef0
[   43.636496][  T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.636785][  T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.637070][  T434] PKRU: 55555554
[   43.637234][  T434] Call Trace:
[   43.637387][  T434]  <TASK>
[ 43.637494][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.637697][ T434] ? __warn (kernel/panic.c:748) 
[ 43.637857][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.638060][ T434] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.638277][ T434] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.638435][ T434] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.638637][ T434] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.638851][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 43.639055][ T434] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 43.639277][ T434] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 43.639531][ T434] ? _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) 
[ 43.639737][ T434] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.639945][ T434] register_netdevice (net/core/dev.c:11003) 
[ 43.640160][ T434] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 43.640376][ T434] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.640592][ T434] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.640858][ T434] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.641126][ T434] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.641401][ T434] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.641657][ T434] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.641909][ T434] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.642167][ T434] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 43.642415][ T434] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.642614][ T434] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.642875][ T434] devlink_reload (net/devlink/dev.c:474) 
[ 43.643078][ T434] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.643293][ T434] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.643553][ T434] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.643756][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.644002][ T434] ? __nla_parse (lib/nlattr.c:732) 
[ 43.644222][ T434] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.644425][ T434] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.644683][ T434] ? cap_capable (security/commoncap.c:131) 
[ 43.644883][ T434] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.645093][ T434] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.645309][ T434] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.645511][ T434] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.645753][ T434] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.645998][ T434] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.646264][ T434] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.646468][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.646670][ T434] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.646875][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.647089][ T434] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.647257][ T434] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.647459][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.647668][ T434] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.647822][ T434] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.648030][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.648246][ T434] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.648455][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.648662][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.648860][ T434] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.649066][ T434] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.649283][ T434] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.649490][ T434] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.649705][ T434] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.649903][ T434] ? 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) 
[ 43.650103][ T434] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.650319][ T434] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.650524][ T434] ? 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) 
[ 43.650726][ T434] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.650931][ T434] __x64_sys_sendto (net/socket.c:2181) 
[ 43.651161][ T434] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.651407][ T434] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.651609][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.651854][  T434] RIP: 0033:0x7f7ac54c1a4a
[ 43.652057][ T434] 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
[   43.652731][  T434] RSP: 002b:00007ffdb7f19dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.653023][  T434] RAX: ffffffffffffffda RBX: 0000000017d62b00 RCX: 00007f7ac54c1a4a
[   43.653322][  T434] RDX: 0000000000000034 RSI: 0000000017d62b00 RDI: 0000000000000005
[   43.653609][  T434] RBP: 0000000017d62910 R08: 00007f7ac5665200 R09: 000000000000000c
[   43.653904][  T434] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.654204][  T434] R13: 0000000017d62910 R14: 0000000000000000 R15: 0000000000000001
| [   44.252895][  T459] ------------[ cut here ]------------
| [ 44.253233][ T459] WARNING: CPU: 1 PID: 459 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) 
| [   44.253645][  T459] Modules linked in: netdevsim
| [   44.254214][  T459] Tainted: [W]=WARN
[   44.254358][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.254622][ T459] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.254866][ T459] 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
[   44.255599][  T459] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   44.255845][  T459] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.256165][  T459] RDX: 0000000000000000 RSI: ffff888008afac98 RDI: ffff888009a88b00
[   44.256448][  T459] RBP: ffff888009178040 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.256752][  T459] R10: ffffffffb91ec1e7 R11: ffff888009a88040 R12: 0000000000000000
[   44.257029][  T459] R13: ffff888008afa128 R14: ffff888008afa008 R15: ffff888008afa000
[   44.257357][  T459] FS:  00007f7f45014800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.257714][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.257951][  T459] CR2: 000055ba69f451e8 CR3: 000000000d76c004 CR4: 0000000000772ef0
[   44.258267][  T459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.258567][  T459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.258851][  T459] PKRU: 55555554
[   44.259012][  T459] Call Trace:
[   44.259180][  T459]  <TASK>
[ 44.259283][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.259502][ T459] ? __warn (kernel/panic.c:748) 
[ 44.259651][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.259841][ T459] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.260066][ T459] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.260222][ T459] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.260410][ T459] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.260645][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.260838][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.261045][ T459] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.261323][ T459] ? _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) 
[ 44.261545][ T459] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.261737][ T459] register_netdevice (net/core/dev.c:11003) 
[ 44.261967][ T459] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.262178][ T459] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.262386][ T459] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.262666][ T459] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.262917][ T459] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.263226][ T459] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.263497][ T459] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.263754][ T459] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.264020][ T459] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.264290][ T459] devlink_reload (net/devlink/dev.c:474) 
[ 44.264487][ T459] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.264705][ T459] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.264900][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.265117][ T459] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.265283][ T459] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.265474][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.265713][ T459] ? __nla_parse (lib/nlattr.c:732) 
[ 44.265940][ T459] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.266137][ T459] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.266427][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.266620][ T459] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.266818][ T459] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.267042][ T459] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.267254][ T459] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.267519][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.267756][ T459] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.268029][ T459] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.268229][ T459] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.268447][ T459] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.268641][ T459] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.268844][ T459] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.269017][ T459] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.269221][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.269447][ T459] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.269591][ T459] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.269813][ T459] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.270007][ T459] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.270212][ T459] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.270428][ T459] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.270620][ T459] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.270831][ T459] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.271028][ T459] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.271258][ T459] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.271482][ T459] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.271669][ T459] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.271886][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.272086][ T459] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.272361][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.272552][ T459] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.272823][ T459] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.273019][ T459] __x64_sys_sendto (net/socket.c:2181) 
[ 44.273251][ T459] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.273489][ T459] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.273713][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.273947][  T459] RIP: 0033:0x7f7f45220a4a
[ 44.274141][ T459] 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
[   44.274855][  T459] RSP: 002b:00007ffdb9fcbe18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.275141][  T459] RAX: ffffffffffffffda RBX: 000000002ab3db00 RCX: 00007f7f45220a4a
[   44.275465][  T459] RDX: 000000000000003c RSI: 000000002ab3db00 RDI: 0000000000000005
[   44.275774][  T459] RBP: 000000002ab3d910 R08: 00007f7f453c4200 R09: 000000000000000c
[   44.276075][  T459] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.276371][  T459] R13: 000000002ab3d910 R14: 0000000000000000 R15: 0000000000000001
| [   44.287344][  T459] ------------[ cut here ]------------
| [ 44.287549][ T459] WARNING: CPU: 1 PID: 459 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) 
| [   44.287952][  T459] Modules linked in: netdevsim
| [   44.288535][  T459] Tainted: [W]=WARN
[   44.288680][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.288917][ T459] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.290017][ T459] 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
[   44.290805][  T459] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   44.291087][  T459] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.291489][  T459] RDX: 0000000000000000 RSI: ffff88800a18ac98 RDI: ffff888009a88b00
[   44.291773][  T459] RBP: ffff888009178040 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.292072][  T459] R10: ffffffffb91ec1e7 R11: ffff888009a88040 R12: 0000000000000000
[   44.292466][  T459] R13: ffff88800a18a128 R14: ffff88800a18a008 R15: ffff88800a18a000
[   44.292747][  T459] FS:  00007f7f45014800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.293107][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.293453][  T459] CR2: 000055ba69f451e8 CR3: 000000000d76c004 CR4: 0000000000772ef0
[   44.293755][  T459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.294033][  T459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.294428][  T459] PKRU: 55555554
[   44.294575][  T459] Call Trace:
[   44.294750][  T459]  <TASK>
[ 44.294847][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.295035][ T459] ? __warn (kernel/panic.c:748) 
[ 44.295302][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.295494][ T459] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.295705][ T459] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.295851][ T459] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.296045][ T459] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.296378][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.296568][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.296794][ T459] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.297033][ T459] ? _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) 
[ 44.297338][ T459] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.297531][ T459] register_netdevice (net/core/dev.c:11003) 
[ 44.297727][ T459] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.297926][ T459] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.298248][ T459] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.298506][ T459] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.298773][ T459] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.299052][ T459] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.299387][ T459] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.299659][ T459] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.299892][ T459] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.300139][ T459] devlink_reload (net/devlink/dev.c:474) 
[ 44.300463][ T459] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.300653][ T459] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.300877][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.301073][ T459] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.301338][ T459] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.301534][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.301794][ T459] ? __nla_parse (lib/nlattr.c:732) 
[ 44.301994][ T459] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.302288][ T459] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.302544][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.302765][ T459] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.302958][ T459] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.303268][ T459] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.303458][ T459] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.303726][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.303963][ T459] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.304337][ T459] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.304529][ T459] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.304750][ T459] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.304940][ T459] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.305292][ T459] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.305438][ T459] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.305630][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.305858][ T459] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.306004][ T459] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.306318][ T459] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.306510][ T459] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.306739][ T459] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.306931][ T459] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.307134][ T459] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.307435][ T459] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.307640][ T459] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.307862][ T459] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.308047][ T459] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.308367][ T459] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.308567][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.308758][ T459] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.309027][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.309307][ T459] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.309578][ T459] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.309771][ T459] __x64_sys_sendto (net/socket.c:2181) 
[ 44.309991][ T459] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.310311][ T459] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.310505][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.310778][  T459] RIP: 0033:0x7f7f45220a4a
[ 44.310975][ T459] 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
[   44.311787][  T459] RSP: 002b:00007ffdb9fcbe18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.312093][  T459] RAX: ffffffffffffffda RBX: 000000002ab3db00 RCX: 00007f7f45220a4a
[   44.312479][  T459] RDX: 000000000000003c RSI: 000000002ab3db00 RDI: 0000000000000005
[   44.312787][  T459] RBP: 000000002ab3d910 R08: 00007f7f453c4200 R09: 000000000000000c
[   44.313092][  T459] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.313459][  T459] R13: 000000002ab3d910 R14: 0000000000000000 R15: 0000000000000001
| [   44.324844][  T459] ------------[ cut here ]------------
| [ 44.325051][ T459] WARNING: CPU: 0 PID: 459 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) 
| [   44.325453][  T459] Modules linked in: netdevsim
| [   44.325981][  T459] Tainted: [W]=WARN
[   44.326122][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.326365][ T459] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.326608][ T459] 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
[   44.327264][  T459] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   44.327500][  T459] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.327777][  T459] RDX: 0000000000000000 RSI: ffff88800a31ac98 RDI: ffff888009a88b00
[   44.328056][  T459] RBP: ffff888009178040 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.328343][  T459] R10: ffffffffb91ec1e7 R11: ffff888009a88040 R12: 0000000000000000
[   44.328620][  T459] R13: ffff88800a31a128 R14: ffff88800a31a008 R15: ffff88800a31a000
[   44.328895][  T459] FS:  00007f7f45014800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.329243][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.329478][  T459] CR2: 000055a24f075738 CR3: 000000000d76c003 CR4: 0000000000772ef0
[   44.329759][  T459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.330035][  T459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.330327][  T459] PKRU: 55555554
[   44.330470][  T459] Call Trace:
[   44.330612][  T459]  <TASK>
[ 44.330708][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.330894][ T459] ? __warn (kernel/panic.c:748) 
[ 44.331045][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.331244][ T459] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.331437][ T459] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.331586][ T459] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.331773][ T459] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.331972][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.332170][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.332365][ T459] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.332602][ T459] ? _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) 
[ 44.332793][ T459] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.332988][ T459] register_netdevice (net/core/dev.c:11003) 
[ 44.333193][ T459] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.333391][ T459] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.333591][ T459] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.333835][ T459] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.334083][ T459] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.334344][ T459] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.334590][ T459] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.334828][ T459] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.335059][ T459] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.335315][ T459] devlink_reload (net/devlink/dev.c:474) 
[ 44.335506][ T459] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.335697][ T459] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.335889][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.336075][ T459] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.336236][ T459] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.336426][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.336663][ T459] ? __nla_parse (lib/nlattr.c:732) 
[ 44.336863][ T459] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.337057][ T459] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.337316][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.337504][ T459] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.337696][ T459] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.337885][ T459] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.338074][ T459] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.338310][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.338543][ T459] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.338788][ T459] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.338976][ T459] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.339171][ T459] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.339362][ T459] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.339563][ T459] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.339704][ T459] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.339897][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.340091][ T459] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.340244][ T459] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.340436][ T459] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.340627][ T459] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.340819][ T459] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.341012][ T459] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.341217][ T459] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.341407][ T459] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.341607][ T459] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.341800][ T459] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.341986][ T459] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.342181][ T459] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.342383][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.342579][ T459] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.342812][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.343002][ T459] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.343248][ T459] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.343443][ T459] __x64_sys_sendto (net/socket.c:2181) 
[ 44.343632][ T459] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.343866][ T459] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.344061][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.344307][  T459] RIP: 0033:0x7f7f45220a4a
[ 44.344501][ T459] 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
[   44.345156][  T459] RSP: 002b:00007ffdb9fcbe18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.345441][  T459] RAX: ffffffffffffffda RBX: 000000002ab3db00 RCX: 00007f7f45220a4a
[   44.345718][  T459] RDX: 000000000000003c RSI: 000000002ab3db00 RDI: 0000000000000005
[   44.345992][  T459] RBP: 000000002ab3d910 R08: 00007f7f453c4200 R09: 000000000000000c
[   44.346276][  T459] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.346558][  T459] R13: 000000002ab3d910 R14: 0000000000000000 R15: 0000000000000001
| [   44.365312][  T459] ------------[ cut here ]------------
| [ 44.365515][ T459] WARNING: CPU: 0 PID: 459 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) 
| [   44.365891][  T459] Modules linked in: netdevsim
| [   44.366439][  T459] Tainted: [W]=WARN
[   44.366584][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.366814][ T459] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.367051][ T459] 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
[   44.367719][  T459] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   44.367954][  T459] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.368323][  T459] RDX: 0000000000000000 RSI: ffff88800d002c98 RDI: ffff888009a88b00
[   44.368602][  T459] RBP: ffff888009178040 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.368880][  T459] R10: ffffffffb91ec1e7 R11: ffff888009a88040 R12: 0000000000000000
[   44.369233][  T459] R13: ffff88800d002128 R14: ffff88800d002008 R15: ffff88800d002000
[   44.369511][  T459] FS:  00007f7f45014800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.369832][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.370071][  T459] CR2: 000055a24f075738 CR3: 000000000d76c003 CR4: 0000000000772ef0
[   44.370368][  T459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.370646][  T459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.370917][  T459] PKRU: 55555554
[   44.371061][  T459] Call Trace:
[   44.371213][  T459]  <TASK>
[ 44.371311][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.371501][ T459] ? __warn (kernel/panic.c:748) 
[ 44.371644][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.371834][ T459] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.372027][ T459] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.372190][ T459] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.372377][ T459] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.372578][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.372772][ T459] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.372963][ T459] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.373243][ T459] ? _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) 
[ 44.373444][ T459] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.373637][ T459] register_netdevice (net/core/dev.c:11003) 
[ 44.373830][ T459] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.374034][ T459] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.374254][ T459] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.374497][ T459] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.374747][ T459] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.374995][ T459] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.375271][ T459] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.375518][ T459] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.375750][ T459] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.375995][ T459] devlink_reload (net/devlink/dev.c:474) 
[ 44.376198][ T459] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.376392][ T459] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.376584][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.376772][ T459] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.376924][ T459] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.377115][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.377378][ T459] ? __nla_parse (lib/nlattr.c:732) 
[ 44.377577][ T459] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.377767][ T459] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.378011][ T459] ? cap_capable (security/commoncap.c:131) 
[ 44.378211][ T459] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.378406][ T459] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.378598][ T459] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.378784][ T459] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.379012][ T459] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.379264][ T459] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.379509][ T459] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.379704][ T459] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.379891][ T459] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.380081][ T459] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.380292][ T459] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.380437][ T459] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.380625][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.380820][ T459] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.380965][ T459] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.381196][ T459] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.381388][ T459] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.381581][ T459] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.381775][ T459] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.381960][ T459] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.382160][ T459] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.382355][ T459] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.382552][ T459] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.382743][ T459] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.382927][ T459] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.383124][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.383335][ T459] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.383567][ T459] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.383756][ T459] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.383999][ T459] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.384202][ T459] __x64_sys_sendto (net/socket.c:2181) 
[ 44.384391][ T459] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.384624][ T459] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.384813][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.385044][  T459] RIP: 0033:0x7f7f45220a4a
[ 44.385265][ T459] 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
[   44.385913][  T459] RSP: 002b:00007ffdb9fcbe18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.386206][  T459] RAX: ffffffffffffffda RBX: 000000002ab3db00 RCX: 00007f7f45220a4a
[   44.386485][  T459] RDX: 000000000000003c RSI: 000000002ab3db00 RDI: 0000000000000005
[   44.386763][  T459] RBP: 000000002ab3d910 R08: 00007f7f453c4200 R09: 000000000000000c
[   44.387038][  T459] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.387340][  T459] R13: 000000002ab3d910 R14: 0000000000000000 R15: 0000000000000001
| [   44.604508][  T464] ------------[ cut here ]------------
| [ 44.604817][ T464] WARNING: CPU: 0 PID: 464 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) 
| [   44.605213][  T464] Modules linked in: netdevsim
| [   44.605736][  T464] Tainted: [W]=WARN
[   44.605881][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.606115][ T464] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.606581][ T464] 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
[   44.607258][  T464] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   44.607499][  T464] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.607780][  T464] RDX: 0000000000000000 RSI: ffff88800d0bac98 RDI: ffff8880024ed080
[   44.608057][  T464] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.608345][  T464] R10: ffffffffb91ec1e7 R11: ffff8880024ec5c0 R12: 0000000000000000
[   44.608623][  T464] R13: ffff88800d0ba128 R14: ffff88800d0ba008 R15: ffff88800d0ba000
[   44.608910][  T464] FS:  00007fa4a9d78800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.609241][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.609478][  T464] CR2: 00007fa4aa128200 CR3: 00000000051de005 CR4: 0000000000772ef0
[   44.609757][  T464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.610033][  T464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.610324][  T464] PKRU: 55555554
[   44.610466][  T464] Call Trace:
[   44.610608][  T464]  <TASK>
[ 44.610707][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.610895][ T464] ? __warn (kernel/panic.c:748) 
[ 44.611047][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.611246][ T464] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.611443][ T464] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.611594][ T464] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.611782][ T464] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.611983][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.612178][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.612372][ T464] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.612611][ T464] ? _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) 
[ 44.612809][ T464] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.613002][ T464] register_netdevice (net/core/dev.c:11003) 
[ 44.613206][ T464] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.613407][ T464] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.613612][ T464] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.613854][ T464] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.614105][ T464] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.614360][ T464] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.614602][ T464] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.614840][ T464] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.615070][ T464] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.615321][ T464] devlink_reload (net/devlink/dev.c:474) 
[ 44.615517][ T464] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.615701][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.615894][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.616080][ T464] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.616241][ T464] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.616432][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.616667][ T464] ? __nla_parse (lib/nlattr.c:732) 
[ 44.616867][ T464] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.617058][ T464] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.617313][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.617499][ T464] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.617692][ T464] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.617881][ T464] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.618074][ T464] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.618316][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.618547][ T464] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.618791][ T464] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.618978][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.619171][ T464] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.619364][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.619567][ T464] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.619714][ T464] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.619904][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.620099][ T464] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.620249][ T464] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.620440][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.620629][ T464] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.620823][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.621018][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.621228][ T464] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.621419][ T464] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.621617][ T464] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.621809][ T464] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.621994][ T464] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.622189][ T464] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.622387][ T464] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.622585][ T464] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.622821][ T464] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.623059][ T464] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.623261][ T464] __x64_sys_sendto (net/socket.c:2181) 
[ 44.623450][ T464] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.623685][ T464] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.623877][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.624110][  T464] RIP: 0033:0x7fa4a9f84a4a
[ 44.624315][ T464] 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
[   44.624959][  T464] RSP: 002b:00007ffdbd15bf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.625251][  T464] RAX: ffffffffffffffda RBX: 000000003e8e0b00 RCX: 00007fa4a9f84a4a
[   44.625529][  T464] RDX: 000000000000003c RSI: 000000003e8e0b00 RDI: 0000000000000005
[   44.625807][  T464] RBP: 000000003e8e0910 R08: 00007fa4aa128200 R09: 000000000000000c
[   44.626081][  T464] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.626371][  T464] R13: 000000003e8e0910 R14: 0000000000000000 R15: 0000000000000003
| [   44.646236][  T464] ------------[ cut here ]------------
| [ 44.646477][ T464] WARNING: CPU: 2 PID: 464 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) 
| [   44.646865][  T464] Modules linked in: netdevsim
| [   44.647430][  T464] Tainted: [W]=WARN
[   44.647588][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.647837][ T464] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.648092][ T464] 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
[   44.648867][  T464] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   44.649125][  T464] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.649430][  T464] RDX: 0000000000000000 RSI: ffff88800bac2c98 RDI: ffff8880024ed080
[   44.649722][  T464] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.650012][  T464] R10: ffffffffb91ec1e7 R11: ffff8880024ec5c0 R12: 0000000000000000
[   44.650324][  T464] R13: ffff88800bac2128 R14: ffff88800bac2008 R15: ffff88800bac2000
[   44.650615][  T464] FS:  00007fa4a9d78800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   44.650945][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.651213][  T464] CR2: 00007f4143c065a0 CR3: 00000000051de004 CR4: 0000000000772ef0
[   44.651504][  T464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.651793][  T464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.652082][  T464] PKRU: 55555554
[   44.652261][  T464] Call Trace:
[   44.652418][  T464]  <TASK>
[ 44.652528][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.652730][ T464] ? __warn (kernel/panic.c:748) 
[ 44.652886][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.653091][ T464] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.653314][ T464] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.653473][ T464] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.653675][ T464] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.653886][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.654088][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.654305][ T464] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.654563][ T464] ? _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) 
[ 44.654768][ T464] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.654973][ T464] register_netdevice (net/core/dev.c:11003) 
[ 44.655190][ T464] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.655402][ T464] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.655617][ T464] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.655879][ T464] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.656142][ T464] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.656428][ T464] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.656681][ T464] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.656932][ T464] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.657185][ T464] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.657453][ T464] devlink_reload (net/devlink/dev.c:474) 
[ 44.657660][ T464] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.657859][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.658062][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.658272][ T464] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.658436][ T464] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.658641][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.658895][ T464] ? __nla_parse (lib/nlattr.c:732) 
[ 44.659109][ T464] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.659324][ T464] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.659583][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.659781][ T464] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.659987][ T464] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.660214][ T464] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.660422][ T464] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.660663][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.660904][ T464] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.661181][ T464] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.661384][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.661582][ T464] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.661790][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.662007][ T464] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.662174][ T464] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.662379][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.662584][ T464] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.662739][ T464] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.662941][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.663144][ T464] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.663369][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.663580][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.663778][ T464] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.663980][ T464] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.664213][ T464] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.664417][ T464] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.664618][ T464] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.664819][ T464] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.665031][ T464] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.665248][ T464] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.665500][ T464] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.665750][ T464] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.665958][ T464] __x64_sys_sendto (net/socket.c:2181) 
[ 44.666166][ T464] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.666418][ T464] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.666617][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.666860][  T464] RIP: 0033:0x7fa4a9f84a4a
[ 44.667063][ T464] 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
[   44.667732][  T464] RSP: 002b:00007ffdbd15bf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.668024][  T464] RAX: ffffffffffffffda RBX: 000000003e8e0b00 RCX: 00007fa4a9f84a4a
[   44.668334][  T464] RDX: 000000000000003c RSI: 000000003e8e0b00 RDI: 0000000000000005
[   44.668622][  T464] RBP: 000000003e8e0910 R08: 00007fa4aa128200 R09: 000000000000000c
[   44.668915][  T464] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.669218][  T464] R13: 000000003e8e0910 R14: 0000000000000000 R15: 0000000000000003
| [   44.681958][  T464] ------------[ cut here ]------------
| [ 44.682203][ T464] WARNING: CPU: 2 PID: 464 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) 
| [   44.682585][  T464] Modules linked in: netdevsim
| [   44.683129][  T464] Tainted: [W]=WARN
[   44.683311][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.683558][ T464] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.683810][ T464] 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
[   44.684478][  T464] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   44.684732][  T464] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.685023][  T464] RDX: 0000000000000000 RSI: ffff88800d34ac98 RDI: ffff8880024ed080
[   44.685324][  T464] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.685612][  T464] R10: ffffffffb91ec1e7 R11: ffff8880024ec5c0 R12: 0000000000000000
[   44.685901][  T464] R13: ffff88800d34a128 R14: ffff88800d34a008 R15: ffff88800d34a000
[   44.686219][  T464] FS:  00007fa4a9d78800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   44.686556][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.686803][  T464] CR2: 00007f4143c065a0 CR3: 00000000051de004 CR4: 0000000000772ef0
[   44.687091][  T464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.687397][  T464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.687688][  T464] PKRU: 55555554
[   44.687840][  T464] Call Trace:
[   44.687990][  T464]  <TASK>
[ 44.688101][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.688310][ T464] ? __warn (kernel/panic.c:748) 
[ 44.688472][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.688678][ T464] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.688886][ T464] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.689041][ T464] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.689253][ T464] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.689467][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.689666][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.689875][ T464] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.690131][ T464] ? _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) 
[ 44.690363][ T464] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.690573][ T464] register_netdevice (net/core/dev.c:11003) 
[ 44.690781][ T464] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.690991][ T464] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.691222][ T464] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.691480][ T464] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.691751][ T464] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.692010][ T464] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.692278][ T464] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.692531][ T464] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.692775][ T464] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.693037][ T464] devlink_reload (net/devlink/dev.c:474) 
[ 44.693253][ T464] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.693453][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.693658][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.693854][ T464] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.694023][ T464] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.694248][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.694503][ T464] ? __nla_parse (lib/nlattr.c:732) 
[ 44.694712][ T464] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.694917][ T464] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.695184][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.695384][ T464] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.695591][ T464] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.695794][ T464] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.696001][ T464] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.696258][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.696501][ T464] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.696758][ T464] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.696960][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.697169][ T464] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.697374][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.697594][ T464] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.697749][ T464] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.697950][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.698179][ T464] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.698337][ T464] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.698543][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.698744][ T464] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.698958][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.699220][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.699423][ T464] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.699624][ T464] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.699833][ T464] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.700036][ T464] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.700250][ T464] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.700450][ T464] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.700666][ T464] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.700868][ T464] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.701120][ T464] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.701385][ T464] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.701594][ T464] __x64_sys_sendto (net/socket.c:2181) 
[ 44.701793][ T464] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.702043][ T464] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.702285][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.702533][  T464] RIP: 0033:0x7fa4a9f84a4a
[ 44.702737][ T464] 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
[   44.703413][  T464] RSP: 002b:00007ffdbd15bf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.703710][  T464] RAX: ffffffffffffffda RBX: 000000003e8e0b00 RCX: 00007fa4a9f84a4a
[   44.703997][  T464] RDX: 000000000000003c RSI: 000000003e8e0b00 RDI: 0000000000000005
[   44.704321][  T464] RBP: 000000003e8e0910 R08: 00007fa4aa128200 R09: 000000000000000c
[   44.704619][  T464] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.704908][  T464] R13: 000000003e8e0910 R14: 0000000000000000 R15: 0000000000000003
| [   44.726530][  T464] ------------[ cut here ]------------
| [ 44.726763][ T464] WARNING: CPU: 2 PID: 464 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) 
| [   44.727144][  T464] Modules linked in: netdevsim
| [   44.727716][  T464] Tainted: [W]=WARN
[   44.727872][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.728114][ T464] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.728476][ T464] 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
[   44.729160][  T464] RSP: 0018:ffffc90000cb71e8 EFLAGS: 00010246
[   44.729409][  T464] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.729698][  T464] RDX: 0000000000000000 RSI: ffff88800d372c98 RDI: ffff8880024ed080
[   44.729986][  T464] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.730290][  T464] R10: ffffffffb91ec1e7 R11: ffff8880024ec5c0 R12: 0000000000000000
[   44.730578][  T464] R13: ffff88800d372128 R14: ffff88800d372008 R15: ffff88800d372000
[   44.730866][  T464] FS:  00007fa4a9d78800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   44.731241][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.731495][  T464] CR2: 00007f4143c065a0 CR3: 00000000051de004 CR4: 0000000000772ef0
[   44.731788][  T464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.732079][  T464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.732382][  T464] PKRU: 55555554
[   44.732537][  T464] Call Trace:
[   44.732691][  T464]  <TASK>
[ 44.732805][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.733007][ T464] ? __warn (kernel/panic.c:748) 
[ 44.733176][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.733378][ T464] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.733585][ T464] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.733740][ T464] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.733942][ T464] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.734166][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.734377][ T464] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 44.734582][ T464] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.734832][ T464] ? _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) 
[ 44.735037][ T464] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.735265][ T464] register_netdevice (net/core/dev.c:11003) 
[ 44.735473][ T464] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.735686][ T464] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.735902][ T464] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.736168][ T464] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.736432][ T464] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.736692][ T464] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.736950][ T464] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.737215][ T464] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.737458][ T464] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.737716][ T464] devlink_reload (net/devlink/dev.c:474) 
[ 44.737919][ T464] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.738116][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.738331][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.738534][ T464] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.738698][ T464] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.738900][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.739169][ T464] ? __nla_parse (lib/nlattr.c:732) 
[ 44.739379][ T464] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.739583][ T464] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.739839][ T464] ? cap_capable (security/commoncap.c:131) 
[ 44.740043][ T464] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.740260][ T464] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.740465][ T464] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.740664][ T464] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.740908][ T464] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.741164][ T464] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.741426][ T464] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.741631][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.741835][ T464] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.742038][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.742265][ T464] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.742421][ T464] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.742625][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.742831][ T464] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.742988][ T464] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.743220][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.743424][ T464] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.743631][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.743833][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.744031][ T464] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.744247][ T464] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.744456][ T464] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.744660][ T464] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.744860][ T464] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.745056][ T464] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.745279][ T464] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.745484][ T464] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.745734][ T464] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.745991][ T464] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.746211][ T464] __x64_sys_sendto (net/socket.c:2181) 
[ 44.746411][ T464] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.746656][ T464] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.746857][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.747098][  T464] RIP: 0033:0x7fa4a9f84a4a
[ 44.747324][ T464] 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
[   44.747988][  T464] RSP: 002b:00007ffdbd15bf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.748296][  T464] RAX: ffffffffffffffda RBX: 000000003e8e0b00 RCX: 00007fa4a9f84a4a
[   44.748587][  T464] RDX: 000000000000003c RSI: 000000003e8e0b00 RDI: 0000000000000005
[   44.748879][  T464] RBP: 000000003e8e0910 R08: 00007fa4aa128200 R09: 000000000000000c
[   44.749182][  T464] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.749467][  T464] R13: 000000003e8e0910 R14: 0000000000000000 R15: 0000000000000003
| [   44.936268][   T11] ------------[ cut here ]------------
| [ 44.936632][ T11] WARNING: CPU: 1 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) 
| [   44.936984][   T11] Modules linked in: netdevsim
| [   44.937639][   T11] Tainted: [W]=WARN
[   44.937773][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.937990][   T11] Workqueue: netns cleanup_net
[ 44.938219][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.938445][ 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
[   44.939023][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   44.939255][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.939536][   T11] RDX: 0000000000000000 RSI: ffff88800524ac98 RDI: ffff888001a82e10
[   44.939790][   T11] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.940046][   T11] R10: ffffffffb91ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   44.940314][   T11] R13: ffff88800524a128 R14: ffff88800524a008 R15: ffff88800524a000
[   44.940568][   T11] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.940855][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.941086][   T11] CR2: 00007f4143b556b0 CR3: 0000000008f1a006 CR4: 0000000000772ef0
[   44.941346][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.941597][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.941840][   T11] PKRU: 55555554
[   44.941965][   T11] Call Trace:
[   44.942092][   T11]  <TASK>
[ 44.942208][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.942376][ T11] ? __warn (kernel/panic.c:748) 
[ 44.942506][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.942674][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.942854][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.942982][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.943235][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.943426][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.943603][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.943813][ 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) 
[ 44.943984][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.944235][ T11] register_netdevice (net/core/dev.c:11003) 
[ 44.944407][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.944587][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.944770][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.944989][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.945285][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.945521][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.945747][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.945973][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.946254][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.946488][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 44.946673][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.946849][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.947029][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.947210][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.947431][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.947599][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.947769][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.947933][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.948108][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.948301][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.948484][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 44.948668][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.948843][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.949024][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 44.949206][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.949397][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.949568][ T11] kthread (kernel/kthread.c:464) 
[ 44.949702][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.949874][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.950042][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.950232][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.950400][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.962687][   T11] ------------[ cut here ]------------
| [ 44.962892][ T11] WARNING: CPU: 1 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) 
| [   44.963368][   T11] Modules linked in: netdevsim
| [   44.963914][   T11] Tainted: [W]=WARN
[   44.964055][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.964354][   T11] Workqueue: netns cleanup_net
[ 44.964533][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.964752][ 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
[   44.965383][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   44.965614][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.965878][   T11] RDX: 0000000000000000 RSI: ffff88800a462c98 RDI: ffff888001a82e10
[   44.966139][   T11] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.966407][   T11] R10: ffffffffb91ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   44.966685][   T11] R13: ffff88800a462128 R14: ffff88800a462008 R15: ffff88800a462000
[   44.966946][   T11] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.967261][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.967480][   T11] CR2: 00007f4143b556b0 CR3: 0000000008f1a006 CR4: 0000000000772ef0
[   44.967747][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.968001][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.968265][   T11] PKRU: 55555554
[   44.968398][   T11] Call Trace:
[   44.968526][   T11]  <TASK>
[ 44.968613][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.968787][ T11] ? __warn (kernel/panic.c:748) 
[ 44.968919][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.969091][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.969280][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.969414][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.969590][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.969777][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.969965][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 44.970195][ 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) 
[ 44.970385][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.970563][ T11] register_netdevice (net/core/dev.c:11003) 
[ 44.970743][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 44.970930][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.971145][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.971394][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.971625][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.971856][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.972088][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.972318][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.972630][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 44.972867][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 44.973047][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.973240][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.973434][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.973614][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.973845][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.974018][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.974230][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.974402][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.974586][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.974760][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.974973][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 44.975174][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.975359][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.975548][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 44.975737][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.975924][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.976101][ T11] kthread (kernel/kthread.c:464) 
[ 44.976252][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.976431][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.976615][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.976782][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.976958][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.994751][   T11] ------------[ cut here ]------------
| [ 44.994959][ 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) 
| [   44.995305][   T11] Modules linked in: netdevsim
| [   44.995819][   T11] Tainted: [W]=WARN
[   44.995945][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.996166][   T11] Workqueue: netns cleanup_net
[ 44.996346][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 44.996572][ 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
[   44.997168][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   44.997383][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.997638][   T11] RDX: 0000000000000000 RSI: ffff88800a7eac98 RDI: ffff888001a82e10
[   44.997892][   T11] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   44.998141][   T11] R10: ffffffffb91ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   44.998398][   T11] R13: ffff88800a7ea128 R14: ffff88800a7ea008 R15: ffff88800a7ea000
[   44.998653][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.998947][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.999167][   T11] CR2: 00005606c94320f0 CR3: 00000000051de003 CR4: 0000000000772ef0
[   44.999422][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.999667][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.999922][   T11] PKRU: 55555554
[   45.000052][   T11] Call Trace:
[   45.000191][   T11]  <TASK>
[ 45.000282][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.000454][ T11] ? __warn (kernel/panic.c:748) 
[ 45.000586][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.000892][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.001089][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.001234][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.001404][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.001590][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.001770][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.001988][ 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) 
[ 45.002173][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.002352][ T11] register_netdevice (net/core/dev.c:11003) 
[ 45.002527][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.002709][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.002898][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.003118][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.003357][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.003587][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.003808][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.004024][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.004240][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.004468][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 45.004648][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.004822][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 45.005001][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 45.005182][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 45.005404][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 45.005577][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 45.005751][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 45.005927][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.006102][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.006280][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 45.006459][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 45.006638][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.006805][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 45.006984][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 45.007175][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 45.007357][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 45.007528][ T11] kthread (kernel/kthread.c:464) 
[ 45.007662][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.007841][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.008015][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 45.008196][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.008371][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   45.030730][   T11] ------------[ cut here ]------------
| [ 45.030935][ 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) 
| [   45.031330][   T11] Modules linked in: netdevsim
| [   45.031843][   T11] Tainted: [W]=WARN
[   45.031972][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.032195][   T11] Workqueue: netns cleanup_net
[ 45.032380][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.032598][ 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
[   45.033213][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   45.033428][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.033683][   T11] RDX: 0000000000000000 RSI: ffff8880024c2c98 RDI: ffff888001a82e10
[   45.033936][   T11] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   45.034197][   T11] R10: ffffffffb91ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   45.034453][   T11] R13: ffff8880024c2128 R14: ffff8880024c2008 R15: ffff8880024c2000
[   45.034713][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.035004][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.035240][   T11] CR2: 00005606c94320f0 CR3: 0000000029b28006 CR4: 0000000000772ef0
[   45.035492][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.035747][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.036003][   T11] PKRU: 55555554
[   45.036132][   T11] Call Trace:
[   45.036275][   T11]  <TASK>
[ 45.036366][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.036537][ T11] ? __warn (kernel/panic.c:748) 
[ 45.036674][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.036849][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.037025][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.037163][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.037331][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.037517][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.037699][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.037912][ 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) 
[ 45.038088][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.038269][ T11] register_netdevice (net/core/dev.c:11003) 
[ 45.038446][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.038632][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.038824][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.039048][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.039295][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.039525][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.039749][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.039967][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.040188][ T11] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.040417][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 45.040594][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.040771][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 45.040951][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 45.041132][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 45.041367][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 45.041542][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 45.041718][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 45.041891][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.042068][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.042248][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 45.042428][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 45.042612][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.042783][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 45.042974][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 45.043157][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 45.043342][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 45.043518][ T11] kthread (kernel/kthread.c:464) 
[ 45.043649][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.043826][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.044001][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 45.044195][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 45.044371][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   45.772443][  T499] ------------[ cut here ]------------
| [ 45.772764][ T499] WARNING: CPU: 1 PID: 499 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) 
| [   45.773157][  T499] Modules linked in: netdevsim
| [   45.773682][  T499] Tainted: [W]=WARN
[   45.773826][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.774063][ T499] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.774311][ T499] 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
[   45.774964][  T499] RSP: 0018:ffffc90000dd71e8 EFLAGS: 00010246
[   45.775211][  T499] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.775491][  T499] RDX: 0000000000000000 RSI: ffff88800d34ac98 RDI: ffff888009112dc0
[   45.775774][  T499] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   45.776059][  T499] R10: ffffffffb91ec1e7 R11: ffff888009112300 R12: 0000000000000000
[   45.776345][  T499] R13: ffff88800d34a128 R14: ffff88800d34a008 R15: ffff88800d34a000
[   45.776627][  T499] FS:  00007f51f47f7800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   45.776953][  T499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.777196][  T499] CR2: 00007f4143c065a0 CR3: 000000000a07c005 CR4: 0000000000772ef0
[   45.777475][  T499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.777755][  T499] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.778035][  T499] PKRU: 55555554
[   45.778186][  T499] Call Trace:
[   45.778331][  T499]  <TASK>
[ 45.778429][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.778621][ T499] ? __warn (kernel/panic.c:748) 
[ 45.778768][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.778959][ T499] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.779166][ T499] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.779313][ T499] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.779502][ T499] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.779704][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.779896][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.780090][ T499] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.780340][ T499] ? _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) 
[ 45.780534][ T499] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.780726][ T499] register_netdevice (net/core/dev.c:11003) 
[ 45.780918][ T499] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.781122][ T499] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.781339][ T499] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.781585][ T499] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.781834][ T499] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.782080][ T499] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.782334][ T499] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.782573][ T499] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.782805][ T499] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.783053][ T499] devlink_reload (net/devlink/dev.c:474) 
[ 45.783254][ T499] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.783443][ T499] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.783637][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.783822][ T499] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.783978][ T499] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.784177][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.784416][ T499] ? __nla_parse (lib/nlattr.c:732) 
[ 45.784615][ T499] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.784812][ T499] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.785060][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.785256][ T499] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.785454][ T499] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.785649][ T499] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.785838][ T499] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.786073][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.786317][ T499] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.786566][ T499] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.786755][ T499] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.786945][ T499] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.787139][ T499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.787349][ T499] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.787492][ T499] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.787686][ T499] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.787885][ T499] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.788030][ T499] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.788228][ T499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.788417][ T499] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.788614][ T499] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.788807][ T499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.788995][ T499] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.789195][ T499] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.789392][ T499] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.789586][ T499] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.789770][ T499] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.789956][ T499] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.790163][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.790356][ T499] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.790590][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.790780][ T499] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.791018][ T499] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.791230][ T499] __x64_sys_sendto (net/socket.c:2181) 
[ 45.791420][ T499] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.791655][ T499] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.791844][ T499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.792075][  T499] RIP: 0033:0x7f51f4a03a4a
[ 45.792280][ T499] 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
[   45.792932][  T499] RSP: 002b:00007fff600a9868 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.793221][  T499] RAX: ffffffffffffffda RBX: 0000000014dd3b00 RCX: 00007f51f4a03a4a
[   45.793500][  T499] RDX: 000000000000003c RSI: 0000000014dd3b00 RDI: 0000000000000005
[   45.793776][  T499] RBP: 0000000014dd3910 R08: 00007f51f4ba7200 R09: 000000000000000c
[   45.794052][  T499] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.794342][  T499] R13: 0000000014dd3910 R14: 0000000000000000 R15: 0000000000000001
| [   45.806706][  T499] ------------[ cut here ]------------
| [ 45.806916][ T499] WARNING: CPU: 1 PID: 499 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) 
| [   45.807297][  T499] Modules linked in: netdevsim
| [   45.807827][  T499] Tainted: [W]=WARN
[   45.807970][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.808214][ T499] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.808454][ T499] 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
[   45.809104][  T499] RSP: 0018:ffffc90000dd71e8 EFLAGS: 00010246
[   45.809356][  T499] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.809633][  T499] RDX: 0000000000000000 RSI: ffff88800561ac98 RDI: ffff888009112dc0
[   45.809910][  T499] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   45.810212][  T499] R10: ffffffffb91ec1e7 R11: ffff888009112300 R12: 0000000000000000
[   45.810490][  T499] R13: ffff88800561a128 R14: ffff88800561a008 R15: ffff88800561a000
[   45.810764][  T499] FS:  00007f51f47f7800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   45.811094][  T499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.811422][  T499] CR2: 00007f4143c065a0 CR3: 000000000a07c005 CR4: 0000000000772ef0
[   45.811702][  T499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.811978][  T499] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.812261][  T499] PKRU: 55555554
[   45.812405][  T499] Call Trace:
[   45.812546][  T499]  <TASK>
[ 45.812648][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.812834][ T499] ? __warn (kernel/panic.c:748) 
[ 45.812978][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.813174][ T499] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.813371][ T499] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.813515][ T499] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.813704][ T499] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.813905][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.814100][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.814313][ T499] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.814552][ T499] ? _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) 
[ 45.814744][ T499] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.814933][ T499] register_netdevice (net/core/dev.c:11003) 
[ 45.815126][ T499] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.815338][ T499] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.815541][ T499] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.815783][ T499] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.816032][ T499] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.816289][ T499] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.816535][ T499] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.816776][ T499] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.817007][ T499] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.817262][ T499] devlink_reload (net/devlink/dev.c:474) 
[ 45.817458][ T499] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.817643][ T499] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.817833][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.818023][ T499] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.818193][ T499] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.818384][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.818621][ T499] ? __nla_parse (lib/nlattr.c:732) 
[ 45.818817][ T499] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.819008][ T499] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.819263][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.819452][ T499] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.819649][ T499] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.819839][ T499] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.820027][ T499] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.820265][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.820497][ T499] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.820747][ T499] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.820936][ T499] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.821130][ T499] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.821328][ T499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.821531][ T499] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.821673][ T499] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.821866][ T499] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.822061][ T499] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.822228][ T499] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.822421][ T499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.822610][ T499] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.822804][ T499] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.822995][ T499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.823190][ T499] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.823380][ T499] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.823576][ T499] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.823773][ T499] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.823959][ T499] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.824144][ T499] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.824357][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.824550][ T499] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.824780][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.824975][ T499] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.825221][ T499] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.825418][ T499] __x64_sys_sendto (net/socket.c:2181) 
[ 45.825608][ T499] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.825840][ T499] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.826030][ T499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.826277][  T499] RIP: 0033:0x7f51f4a03a4a
[ 45.826476][ T499] 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
[   45.827122][  T499] RSP: 002b:00007fff600a9868 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.827408][  T499] RAX: ffffffffffffffda RBX: 0000000014dd3b00 RCX: 00007f51f4a03a4a
[   45.827690][  T499] RDX: 000000000000003c RSI: 0000000014dd3b00 RDI: 0000000000000005
[   45.827970][  T499] RBP: 0000000014dd3910 R08: 00007f51f4ba7200 R09: 000000000000000c
[   45.828253][  T499] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.828531][  T499] R13: 0000000014dd3910 R14: 0000000000000000 R15: 0000000000000001
| [   45.846953][  T499] ------------[ cut here ]------------
| [ 45.847248][ T499] WARNING: CPU: 0 PID: 499 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) 
| [   45.847617][  T499] Modules linked in: netdevsim
| [   45.848140][  T499] Tainted: [W]=WARN
[   45.848335][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.848566][ T499] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.848807][ T499] 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
[   45.849466][  T499] RSP: 0018:ffffc90000dd71e8 EFLAGS: 00010246
[   45.849701][  T499] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.849977][  T499] RDX: 0000000000000000 RSI: ffff88800af2ac98 RDI: ffff888009112dc0
[   45.850270][  T499] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   45.850546][  T499] R10: ffffffffb91ec1e7 R11: ffff888009112300 R12: 0000000000000000
[   45.850822][  T499] R13: ffff88800af2a128 R14: ffff88800af2a008 R15: ffff88800af2a000
[   45.851103][  T499] FS:  00007f51f47f7800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.851442][  T499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.851676][  T499] CR2: 000055a24f06e160 CR3: 000000000a07c006 CR4: 0000000000772ef0
[   45.851952][  T499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.852237][  T499] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.852510][  T499] PKRU: 55555554
[   45.852656][  T499] Call Trace:
[   45.852798][  T499]  <TASK>
[ 45.852895][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.853082][ T499] ? __warn (kernel/panic.c:748) 
[ 45.853234][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.853423][ T499] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.853618][ T499] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.853761][ T499] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.853947][ T499] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.854159][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.854349][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.854542][ T499] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.854779][ T499] ? _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) 
[ 45.854972][ T499] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.855173][ T499] register_netdevice (net/core/dev.c:11003) 
[ 45.855370][ T499] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.855568][ T499] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.855770][ T499] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.856010][ T499] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.856269][ T499] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.856515][ T499] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.856762][ T499] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.857000][ T499] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.857242][ T499] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.857489][ T499] devlink_reload (net/devlink/dev.c:474) 
[ 45.857680][ T499] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.857866][ T499] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.858062][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.858254][ T499] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.858407][ T499] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.858599][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.858831][ T499] ? __nla_parse (lib/nlattr.c:732) 
[ 45.859027][ T499] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.859226][ T499] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.859476][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.859660][ T499] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.859855][ T499] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.860046][ T499] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.860242][ T499] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.860471][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.860703][ T499] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.860950][ T499] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.861156][ T499] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.861344][ T499] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.861533][ T499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.861733][ T499] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.861876][ T499] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.862065][ T499] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.862272][ T499] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.862416][ T499] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.862609][ T499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.862797][ T499] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.862990][ T499] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.863189][ T499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.863375][ T499] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.863567][ T499] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.863763][ T499] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.863952][ T499] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.864139][ T499] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.864347][ T499] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.864547][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.864738][ T499] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.864972][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.865171][ T499] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.865409][ T499] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.865603][ T499] __x64_sys_sendto (net/socket.c:2181) 
[ 45.865790][ T499] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.866019][ T499] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.866218][ T499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.866450][  T499] RIP: 0033:0x7f51f4a03a4a
[ 45.866639][ T499] 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
[   45.867291][  T499] RSP: 002b:00007fff600a9868 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.867570][  T499] RAX: ffffffffffffffda RBX: 0000000014dd3b00 RCX: 00007f51f4a03a4a
[   45.867850][  T499] RDX: 000000000000003c RSI: 0000000014dd3b00 RDI: 0000000000000005
[   45.868123][  T499] RBP: 0000000014dd3910 R08: 00007f51f4ba7200 R09: 000000000000000c
[   45.868408][  T499] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.868681][  T499] R13: 0000000014dd3910 R14: 0000000000000000 R15: 0000000000000001
| [   45.878844][  T499] ------------[ cut here ]------------
| [ 45.879048][ T499] WARNING: CPU: 0 PID: 499 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) 
| [   45.880172][  T499] Modules linked in: netdevsim
| [   45.880695][  T499] Tainted: [W]=WARN
[   45.880836][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.881075][ T499] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.881404][ T499] 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
[   45.882058][  T499] RSP: 0018:ffffc90000dd71e8 EFLAGS: 00010246
[   45.882379][  T499] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.882657][  T499] RDX: 0000000000000000 RSI: ffff88800ba9ac98 RDI: ffff888009112dc0
[   45.882938][  T499] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   45.883294][  T499] R10: ffffffffb91ec1e7 R11: ffff888009112300 R12: 0000000000000000
[   45.883573][  T499] R13: ffff88800ba9a128 R14: ffff88800ba9a008 R15: ffff88800ba9a000
[   45.883848][  T499] FS:  00007f51f47f7800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.884253][  T499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.884489][  T499] CR2: 000055a24f06e160 CR3: 000000000a07c006 CR4: 0000000000772ef0
[   45.884767][  T499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.885043][  T499] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.885409][  T499] PKRU: 55555554
[   45.885551][  T499] Call Trace:
[   45.885694][  T499]  <TASK>
[ 45.885790][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.885977][ T499] ? __warn (kernel/panic.c:748) 
[ 45.886121][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.886392][ T499] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.886587][ T499] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.886730][ T499] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.886922][ T499] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.887118][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 45.887390][ T499] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 45.887583][ T499] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 45.887822][ T499] ? _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) 
[ 45.888017][ T499] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.888298][ T499] register_netdevice (net/core/dev.c:11003) 
[ 45.888493][ T499] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 45.888693][ T499] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.888895][ T499] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.889135][ T499] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.889464][ T499] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.889714][ T499] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.889956][ T499] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.890277][ T499] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.890510][ T499] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 45.890756][ T499] devlink_reload (net/devlink/dev.c:474) 
[ 45.890955][ T499] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.891236][ T499] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.891429][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.891613][ T499] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.891765][ T499] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.891956][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.892278][ T499] ? __nla_parse (lib/nlattr.c:732) 
[ 45.892476][ T499] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.892671][ T499] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.892915][ T499] ? cap_capable (security/commoncap.c:131) 
[ 45.893103][ T499] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.893383][ T499] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.893574][ T499] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.893762][ T499] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.893992][ T499] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.894312][ T499] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.894556][ T499] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.894748][ T499] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.894937][ T499] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.895129][ T499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.895412][ T499] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.895557][ T499] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.895751][ T499] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.895947][ T499] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.896089][ T499] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.896367][ T499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.896557][ T499] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.896752][ T499] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.896943][ T499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.897137][ T499] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.897410][ T499] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.897606][ T499] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.897798][ T499] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.897983][ T499] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.898248][ T499] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.898446][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.898639][ T499] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.898874][ T499] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.899063][ T499] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.899388][ T499] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.899582][ T499] __x64_sys_sendto (net/socket.c:2181) 
[ 45.899770][ T499] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.899999][ T499] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.900277][ T499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.900509][  T499] RIP: 0033:0x7f51f4a03a4a
[ 45.900701][ T499] 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
[   45.901452][  T499] RSP: 002b:00007fff600a9868 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.901738][  T499] RAX: ffffffffffffffda RBX: 0000000014dd3b00 RCX: 00007f51f4a03a4a
[   45.902012][  T499] RDX: 000000000000003c RSI: 0000000014dd3b00 RDI: 0000000000000005
[   45.902372][  T499] RBP: 0000000014dd3910 R08: 00007f51f4ba7200 R09: 000000000000000c
[   45.902645][  T499] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.902921][  T499] R13: 0000000014dd3910 R14: 0000000000000000 R15: 0000000000000001
| [   46.809376][  T519] ------------[ cut here ]------------
| [ 46.809691][ T519] WARNING: CPU: 3 PID: 519 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) 
| [   46.810071][  T519] Modules linked in: netdevsim
| [   46.810624][  T519] Tainted: [W]=WARN
[   46.810769][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.811005][ T519] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.811277][ T519] 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
[   46.811966][  T519] RSP: 0018:ffffc90000e471e8 EFLAGS: 00010246
[   46.812222][  T519] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.812503][  T519] RDX: 0000000000000000 RSI: ffff88800aff2c98 RDI: ffff888002082dc0
[   46.812781][  T519] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   46.813063][  T519] R10: ffffffffb91ec1e7 R11: ffff888002082300 R12: 0000000000000000
[   46.813352][  T519] R13: ffff88800aff2128 R14: ffff88800aff2008 R15: ffff88800aff2000
[   46.813635][  T519] FS:  00007fa42b77d800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.813960][  T519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.814208][  T519] CR2: 00007fa42bb2d200 CR3: 000000000d73c005 CR4: 0000000000772ef0
[   46.814492][  T519] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.814778][  T519] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.815055][  T519] PKRU: 55555554
[   46.815209][  T519] Call Trace:
[   46.815356][  T519]  <TASK>
[ 46.815454][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.815643][ T519] ? __warn (kernel/panic.c:748) 
[ 46.815790][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.815981][ T519] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.816190][ T519] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.816336][ T519] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.816525][ T519] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.816734][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.816928][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.817122][ T519] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.817370][ T519] ? _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) 
[ 46.817564][ T519] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.817761][ T519] register_netdevice (net/core/dev.c:11003) 
[ 46.817955][ T519] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.818171][ T519] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.818377][ T519] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.818622][ T519] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.818875][ T519] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.819123][ T519] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.819379][ T519] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.819620][ T519] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.819854][ T519] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.820093][ T519] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.820291][ T519] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.820539][ T519] devlink_reload (net/devlink/dev.c:474) 
[ 46.820732][ T519] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.820952][ T519] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.821217][ T519] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.821412][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.821654][ T519] ? __nla_parse (lib/nlattr.c:732) 
[ 46.821871][ T519] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.822068][ T519] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.822345][ T519] ? cap_capable (security/commoncap.c:131) 
[ 46.822537][ T519] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.822747][ T519] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.822939][ T519] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.823141][ T519] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.823387][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.823620][ T519] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.823864][ T519] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.824054][ T519] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.824260][ T519] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.824452][ T519] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.824653][ T519] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.824795][ T519] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.824986][ T519] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.825200][ T519] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.825343][ T519] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.825535][ T519] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.825749][ T519] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.825955][ T519] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.826174][ T519] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.826370][ T519] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.826567][ T519] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.826773][ T519] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.826974][ T519] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.827184][ T519] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.827386][ T519] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.827587][ T519] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.827793][ T519] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.827994][ T519] __x64_sys_sendto (net/socket.c:2181) 
[ 46.828204][ T519] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.828445][ T519] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.828643][ T519] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.828893][  T519] RIP: 0033:0x7fa42b989a4a
[ 46.829097][ T519] 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
[   46.829785][  T519] RSP: 002b:00007ffd7d79e8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.830072][  T519] RAX: ffffffffffffffda RBX: 000000002d448b00 RCX: 00007fa42b989a4a
[   46.830387][  T519] RDX: 0000000000000034 RSI: 000000002d448b00 RDI: 0000000000000005
[   46.830676][  T519] RBP: 000000002d448910 R08: 00007fa42bb2d200 R09: 000000000000000c
[   46.830966][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.831269][  T519] R13: 000000002d448910 R14: 0000000000000000 R15: 0000000000000003
| [   46.842796][  T519] ------------[ cut here ]------------
| [ 46.843008][ T519] WARNING: CPU: 0 PID: 519 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) 
| [   46.843392][  T519] Modules linked in: netdevsim
| [   46.843919][  T519] Tainted: [W]=WARN
[   46.844064][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.844316][ T519] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.844557][ T519] 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
[   46.845224][  T519] RSP: 0018:ffffc90000e471e8 EFLAGS: 00010246
[   46.845461][  T519] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.845741][  T519] RDX: 0000000000000000 RSI: ffff8880092e2c98 RDI: ffff888002082dc0
[   46.846016][  T519] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   46.846305][  T519] R10: ffffffffb91ec1e7 R11: ffff888002082300 R12: 0000000000000000
[   46.846585][  T519] R13: ffff8880092e2128 R14: ffff8880092e2008 R15: ffff8880092e2000
[   46.846860][  T519] FS:  00007fa42b77d800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.847191][  T519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.847428][  T519] CR2: 00007f4143c065a0 CR3: 000000000d73c002 CR4: 0000000000772ef0
[   46.847706][  T519] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.847981][  T519] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.848264][  T519] PKRU: 55555554
[   46.848407][  T519] Call Trace:
[   46.848548][  T519]  <TASK>
[ 46.848651][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.848838][ T519] ? __warn (kernel/panic.c:748) 
[ 46.848984][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.849181][ T519] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.849377][ T519] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.849519][ T519] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.849706][ T519] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.849905][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.850098][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.850298][ T519] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.850540][ T519] ? _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) 
[ 46.850735][ T519] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.850926][ T519] register_netdevice (net/core/dev.c:11003) 
[ 46.851125][ T519] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.851337][ T519] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.851543][ T519] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.851786][ T519] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.852033][ T519] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.852288][ T519] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.852532][ T519] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.852774][ T519] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.853006][ T519] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.853261][ T519] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.853450][ T519] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.853695][ T519] devlink_reload (net/devlink/dev.c:474) 
[ 46.853887][ T519] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.854081][ T519] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.854333][ T519] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.854523][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.854760][ T519] ? __nla_parse (lib/nlattr.c:732) 
[ 46.854957][ T519] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.855155][ T519] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.855409][ T519] ? cap_capable (security/commoncap.c:131) 
[ 46.855597][ T519] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.855790][ T519] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.855981][ T519] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.856176][ T519] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.856405][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.856634][ T519] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.856884][ T519] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.857075][ T519] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.857275][ T519] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.857467][ T519] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.857667][ T519] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.857811][ T519] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.858000][ T519] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.858207][ T519] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.858353][ T519] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.858544][ T519] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.858733][ T519] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.858929][ T519] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.859120][ T519] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.859312][ T519] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.859502][ T519] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.859705][ T519] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.859898][ T519] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.860101][ T519] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.860307][ T519] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.860494][ T519] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.860692][ T519] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.860885][ T519] __x64_sys_sendto (net/socket.c:2181) 
[ 46.861080][ T519] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.861331][ T519] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.861519][ T519] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.861749][  T519] RIP: 0033:0x7fa42b989a4a
[ 46.861942][ T519] 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
[   46.862602][  T519] RSP: 002b:00007ffd7d79e8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.862883][  T519] RAX: ffffffffffffffda RBX: 000000002d448b00 RCX: 00007fa42b989a4a
[   46.863173][  T519] RDX: 0000000000000034 RSI: 000000002d448b00 RDI: 0000000000000005
[   46.863449][  T519] RBP: 000000002d448910 R08: 00007fa42bb2d200 R09: 000000000000000c
[   46.863729][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.864003][  T519] R13: 000000002d448910 R14: 0000000000000000 R15: 0000000000000003
| [   46.874477][  T519] ------------[ cut here ]------------
| [ 46.874679][ T519] WARNING: CPU: 0 PID: 519 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) 
| [   46.875048][  T519] Modules linked in: netdevsim
| [   46.875584][  T519] Tainted: [W]=WARN
[   46.875727][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.875967][ T519] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.876214][ T519] 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
[   46.876863][  T519] RSP: 0018:ffffc90000e471e8 EFLAGS: 00010246
[   46.877102][  T519] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.877388][  T519] RDX: 0000000000000000 RSI: ffff88800ad2ac98 RDI: ffff888002082dc0
[   46.877667][  T519] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   46.877944][  T519] R10: ffffffffb91ec1e7 R11: ffff888002082300 R12: 0000000000000000
[   46.878236][  T519] R13: ffff88800ad2a128 R14: ffff88800ad2a008 R15: ffff88800ad2a000
[   46.878514][  T519] FS:  00007fa42b77d800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.878839][  T519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.879074][  T519] CR2: 00007f4143c065a0 CR3: 000000000d73c002 CR4: 0000000000772ef0
[   46.879362][  T519] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.879645][  T519] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.879923][  T519] PKRU: 55555554
[   46.880067][  T519] Call Trace:
[   46.880218][  T519]  <TASK>
[ 46.880317][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.880506][ T519] ? __warn (kernel/panic.c:748) 
[ 46.880650][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.880848][ T519] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.881050][ T519] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.881206][ T519] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.881394][ T519] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.881593][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.881781][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.881977][ T519] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.882228][ T519] ? _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) 
[ 46.882423][ T519] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.882619][ T519] register_netdevice (net/core/dev.c:11003) 
[ 46.882812][ T519] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.883017][ T519] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.883253][ T519] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.883505][ T519] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.883755][ T519] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.884003][ T519] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.884263][ T519] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.884504][ T519] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.884735][ T519] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.884978][ T519] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.885172][ T519] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.885420][ T519] devlink_reload (net/devlink/dev.c:474) 
[ 46.885614][ T519] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.885806][ T519] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.886051][ T519] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.886256][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.886492][ T519] ? __nla_parse (lib/nlattr.c:732) 
[ 46.886690][ T519] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.886882][ T519] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.887129][ T519] ? cap_capable (security/commoncap.c:131) 
[ 46.887324][ T519] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.887523][ T519] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.887721][ T519] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.887911][ T519] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.888143][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.888389][ T519] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.888632][ T519] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.888823][ T519] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.889012][ T519] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.889217][ T519] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.889419][ T519] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.889564][ T519] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.889757][ T519] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.889953][ T519] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.890097][ T519] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.890298][ T519] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.890499][ T519] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.890695][ T519] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.890889][ T519] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.891212][ T519] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.891403][ T519] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.891602][ T519] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.891795][ T519] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.892108][ T519] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.892319][ T519] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.892509][ T519] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.892709][ T519] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.893016][ T519] __x64_sys_sendto (net/socket.c:2181) 
[ 46.893213][ T519] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.893446][ T519] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.893634][ T519] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.893983][  T519] RIP: 0033:0x7fa42b989a4a
[ 46.894186][ T519] 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
[   46.894953][  T519] RSP: 002b:00007ffd7d79e8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.895244][  T519] RAX: ffffffffffffffda RBX: 000000002d448b00 RCX: 00007fa42b989a4a
[   46.895644][  T519] RDX: 0000000000000034 RSI: 000000002d448b00 RDI: 0000000000000005
[   46.895924][  T519] RBP: 000000002d448910 R08: 00007fa42bb2d200 R09: 000000000000000c
[   46.896210][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.896604][  T519] R13: 000000002d448910 R14: 0000000000000000 R15: 0000000000000003
| [   46.908516][  T519] ------------[ cut here ]------------
| [ 46.908723][ T519] WARNING: CPU: 3 PID: 519 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) 
| [   46.909131][  T519] Modules linked in: netdevsim
| [   46.909762][  T519] Tainted: [W]=WARN
[   46.909905][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.910139][ T519] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.910419][ T519] 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
[   46.911082][  T519] RSP: 0018:ffffc90000e471e8 EFLAGS: 00010246
[   46.911357][  T519] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.911641][  T519] RDX: 0000000000000000 RSI: ffff88800adf2c98 RDI: ffff888002082dc0
[   46.911951][  T519] RBP: ffff888009179840 R08: 0000000000000000 R09: fffffbfff723d83c
[   46.912243][  T519] R10: ffffffffb91ec1e7 R11: ffff888002082300 R12: 0000000000000000
[   46.912552][  T519] R13: ffff88800adf2128 R14: ffff88800adf2008 R15: ffff88800adf2000
[   46.912843][  T519] FS:  00007fa42b77d800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   46.913214][  T519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.913450][  T519] CR2: 00007fa42bb2d200 CR3: 000000000d73c005 CR4: 0000000000772ef0
[   46.913758][  T519] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.914034][  T519] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.914353][  T519] PKRU: 55555554
[   46.914497][  T519] Call Trace:
[   46.914640][  T519]  <TASK>
[ 46.914737][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.914928][ T519] ? __warn (kernel/panic.c:748) 
[ 46.915073][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.915271][ T519] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.915468][ T519] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.915612][ T519] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.915829][ T519] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.916027][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 46.916249][ T519] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 46.916444][ T519] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 46.916703][ T519] ? _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) 
[ 46.916914][ T519] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.917116][ T519] register_netdevice (net/core/dev.c:11003) 
[ 46.917324][ T519] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 46.917542][ T519] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.917746][ T519] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.918019][ T519] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.918303][ T519] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.918565][ T519] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.918816][ T519] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.919053][ T519] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.919304][ T519] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 46.919545][ T519] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.919731][ T519] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.919999][ T519] devlink_reload (net/devlink/dev.c:474) 
[ 46.920205][ T519] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.920396][ T519] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.920662][ T519] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.920860][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.921107][ T519] ? __nla_parse (lib/nlattr.c:732) 
[ 46.921315][ T519] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.921511][ T519] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.921789][ T519] ? cap_capable (security/commoncap.c:131) 
[ 46.921979][ T519] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.922182][ T519] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.922376][ T519] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.922563][ T519] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.922801][ T519] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.923049][ T519] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.923320][ T519] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.923516][ T519] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.923711][ T519] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.923906][ T519] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.924109][ T519] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.924272][ T519] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.924468][ T519] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.924663][ T519] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.924812][ T519] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.925005][ T519] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.925231][ T519] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.925428][ T519] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.925649][ T519] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.925840][ T519] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.926037][ T519] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.926246][ T519] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.926438][ T519] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.926646][ T519] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.926838][ T519] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.927025][ T519] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.927232][ T519] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.927432][ T519] __x64_sys_sendto (net/socket.c:2181) 
[ 46.927649][ T519] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.927884][ T519] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.928078][ T519] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.928317][  T519] RIP: 0033:0x7fa42b989a4a
[ 46.928510][ T519] 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
[   46.929171][  T519] RSP: 002b:00007ffd7d79e8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.929454][  T519] RAX: ffffffffffffffda RBX: 000000002d448b00 RCX: 00007fa42b989a4a
[   46.929730][  T519] RDX: 0000000000000034 RSI: 000000002d448b00 RDI: 0000000000000005
[   46.930014][  T519] RBP: 000000002d448910 R08: 00007fa42bb2d200 R09: 000000000000000c
[   46.930311][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.930591][  T519] R13: 000000002d448910 R14: 0000000000000000 R15: 0000000000000003
| [   48.062697][  T538] ------------[ cut here ]------------
| [ 48.062949][ T538] WARNING: CPU: 0 PID: 538 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) 
| [   48.063474][  T538] Modules linked in: netdevsim
| [   48.064003][  T538] Tainted: [W]=WARN
[   48.064207][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.064441][ T538] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.064679][ T538] 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
[   48.065363][  T538] RSP: 0018:ffffc90000ef71e8 EFLAGS: 00010246
[   48.065610][  T538] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.065890][  T538] RDX: 0000000000000000 RSI: ffff88800d3f2c98 RDI: ffff888002855080
[   48.066192][  T538] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   48.066480][  T538] R10: ffffffffb91ec1e7 R11: ffff8880028545c0 R12: 0000000000000000
[   48.066772][  T538] R13: ffff88800d3f2128 R14: ffff88800d3f2008 R15: ffff88800d3f2000
[   48.067084][  T538] FS:  00007f9180f0f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   48.067443][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.067691][  T538] CR2: 00007f918116b423 CR3: 00000000056bc001 CR4: 0000000000772ef0
[   48.067986][  T538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.068302][  T538] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.068592][  T538] PKRU: 55555554
[   48.068736][  T538] Call Trace:
[   48.068881][  T538]  <TASK>
[ 48.068983][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.069193][ T538] ? __warn (kernel/panic.c:748) 
[ 48.069346][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.069541][ T538] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.069742][ T538] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.069890][ T538] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.070084][ T538] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.070306][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.070503][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.070701][ T538] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.070948][ T538] ? _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) 
[ 48.071179][ T538] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.071382][ T538] register_netdevice (net/core/dev.c:11003) 
[ 48.071580][ T538] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.071785][ T538] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.071996][ T538] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.072266][ T538] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.072529][ T538] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.072781][ T538] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.073028][ T538] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.073291][ T538] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.073531][ T538] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.073781][ T538] devlink_reload (net/devlink/dev.c:474) 
[ 48.073978][ T538] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.074188][ T538] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.074388][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.074585][ T538] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.074782][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.075020][ T538] ? __nla_parse (lib/nlattr.c:732) 
[ 48.075240][ T538] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.075449][ T538] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.075705][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.075894][ T538] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.076094][ T538] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.076318][ T538] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.076524][ T538] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.076761][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.077003][ T538] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.077275][ T538] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.077471][ T538] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.077663][ T538] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.077864][ T538] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.078071][ T538] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.078236][ T538] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.078437][ T538] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.078645][ T538] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.078802][ T538] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.078998][ T538] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.079208][ T538] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.079411][ T538] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.079617][ T538] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.079816][ T538] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.080025][ T538] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.080252][ T538] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.080453][ T538] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.080662][ T538] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.080859][ T538] ? 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) 
[ 48.081061][ T538] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.081278][ T538] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.081485][ T538] ? 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) 
[ 48.081688][ T538] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.081896][ T538] __x64_sys_sendto (net/socket.c:2181) 
[ 48.082102][ T538] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.082374][ T538] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.082591][ T538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.082850][  T538] RIP: 0033:0x7f918111ba4a
[ 48.083064][ T538] 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
[   48.083776][  T538] RSP: 002b:00007ffdd9870c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.084078][  T538] RAX: ffffffffffffffda RBX: 00000000317a3b00 RCX: 00007f918111ba4a
[   48.084387][  T538] RDX: 000000000000003c RSI: 00000000317a3b00 RDI: 0000000000000005
[   48.084681][  T538] RBP: 00000000317a3910 R08: 00007f91812bf200 R09: 000000000000000c
[   48.084981][  T538] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.085285][  T538] R13: 00000000317a3910 R14: 0000000000000000 R15: 0000000000000003
| [   48.096640][  T538] ------------[ cut here ]------------
| [ 48.096881][ T538] WARNING: CPU: 0 PID: 538 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) 
| [   48.098045][  T538] Modules linked in: netdevsim
| [   48.098703][  T538] Tainted: [W]=WARN
[   48.098846][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.099094][ T538] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.099433][ T538] 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
[   48.100118][  T538] RSP: 0018:ffffc90000ef71e8 EFLAGS: 00010246
[   48.100462][  T538] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.100765][  T538] RDX: 0000000000000000 RSI: ffff8880024cac98 RDI: ffff888002855080
[   48.101080][  T538] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   48.101474][  T538] R10: ffffffffb91ec1e7 R11: ffff8880028545c0 R12: 0000000000000000
[   48.101785][  T538] R13: ffff8880024ca128 R14: ffff8880024ca008 R15: ffff8880024ca000
[   48.102089][  T538] FS:  00007f9180f0f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   48.102529][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.102782][  T538] CR2: 00007f918116b423 CR3: 00000000056bc001 CR4: 0000000000772ef0
[   48.103088][  T538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.103482][  T538] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.103789][  T538] PKRU: 55555554
[   48.103948][  T538] Call Trace:
[   48.104107][  T538]  <TASK>
[ 48.104301][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.104586][ T538] ? __warn (kernel/panic.c:748) 
[ 48.104748][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.104966][ T538] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.105265][ T538] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.105503][ T538] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.105712][ T538] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.105928][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.106123][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.106413][ T538] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.106661][ T538] ? _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) 
[ 48.106858][ T538] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.107054][ T538] register_netdevice (net/core/dev.c:11003) 
[ 48.107340][ T538] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.107545][ T538] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.107756][ T538] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.108008][ T538] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.108358][ T538] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.108613][ T538] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.108861][ T538] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.109101][ T538] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.109433][ T538] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.109779][ T538] devlink_reload (net/devlink/dev.c:474) 
[ 48.109988][ T538] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.110275][ T538] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.110474][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.110679][ T538] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.110884][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.111141][ T538] ? __nla_parse (lib/nlattr.c:732) 
[ 48.111445][ T538] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.111639][ T538] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.111886][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.112080][ T538] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.112373][ T538] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.112567][ T538] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.112781][ T538] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.113016][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.113336][ T538] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.113592][ T538] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.113787][ T538] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.113981][ T538] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.114272][ T538] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.114498][ T538] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.114643][ T538] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.114842][ T538] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.115043][ T538] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.115279][ T538] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.115489][ T538] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.115683][ T538] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.115898][ T538] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.116096][ T538] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.116489][ T538] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.116683][ T538] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.116896][ T538] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.117092][ T538] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.117394][ T538] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.117584][ T538] ? 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) 
[ 48.117795][ T538] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.117991][ T538] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.118291][ T538] ? 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) 
[ 48.118493][ T538] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.118702][ T538] __x64_sys_sendto (net/socket.c:2181) 
[ 48.118905][ T538] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.119244][ T538] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.119447][ T538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.119796][  T538] RIP: 0033:0x7f918111ba4a
[ 48.120011][ T538] Code: Unable to access opcode bytes at 0x7f918111ba20.

Code starting with the faulting instruction
===========================================
[   48.120365][  T538] RSP: 002b:00007ffdd9870c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.120652][  T538] RAX: ffffffffffffffda RBX: 00000000317a3b00 RCX: 00007f918111ba4a
[   48.120957][  T538] RDX: 000000000000003c RSI: 00000000317a3b00 RDI: 0000000000000005
[   48.121355][  T538] RBP: 00000000317a3910 R08: 00007f91812bf200 R09: 000000000000000c
[   48.121776][  T538] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.122078][  T538] R13: 00000000317a3910 R14: 0000000000000000 R15: 0000000000000003
| [   48.141595][  T538] ------------[ cut here ]------------
| [ 48.141826][ T538] WARNING: CPU: 1 PID: 538 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) 
| [   48.142223][  T538] Modules linked in: netdevsim
| [   48.142756][  T538] Tainted: [W]=WARN
[   48.142902][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.143136][ T538] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.143401][ T538] 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
[   48.144098][  T538] RSP: 0018:ffffc90000ef71e8 EFLAGS: 00010246
[   48.144359][  T538] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.144640][  T538] RDX: 0000000000000000 RSI: ffff88800afaac98 RDI: ffff888002855080
[   48.144924][  T538] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   48.145214][  T538] R10: ffffffffb91ec1e7 R11: ffff8880028545c0 R12: 0000000000000000
[   48.145496][  T538] R13: ffff88800afaa128 R14: ffff88800afaa008 R15: ffff88800afaa000
[   48.145783][  T538] FS:  00007f9180f0f800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   48.146134][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.146403][  T538] CR2: 00007f4143c065a0 CR3: 00000000056bc004 CR4: 0000000000772ef0
[   48.146710][  T538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.147019][  T538] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.147321][  T538] PKRU: 55555554
[   48.147466][  T538] Call Trace:
[   48.147613][  T538]  <TASK>
[ 48.147711][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.147901][ T538] ? __warn (kernel/panic.c:748) 
[ 48.148051][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.148256][ T538] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.148459][ T538] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.148605][ T538] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.148814][ T538] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.149029][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.149247][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.149464][ T538] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.149707][ T538] ? _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) 
[ 48.149903][ T538] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.150130][ T538] register_netdevice (net/core/dev.c:11003) 
[ 48.150344][ T538] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.150548][ T538] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.150755][ T538] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.151006][ T538] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.151285][ T538] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.151538][ T538] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.151790][ T538] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.152031][ T538] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.152284][ T538] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.152534][ T538] devlink_reload (net/devlink/dev.c:474) 
[ 48.152731][ T538] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.152923][ T538] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.153121][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.153337][ T538] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.153534][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.153773][ T538] ? __nla_parse (lib/nlattr.c:732) 
[ 48.153976][ T538] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.154180][ T538] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.154436][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.154629][ T538] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.154827][ T538] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.155019][ T538] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.155225][ T538] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.155461][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.155694][ T538] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.155947][ T538] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.156142][ T538] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.156345][ T538] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.156541][ T538] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.156747][ T538] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.156893][ T538] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.157088][ T538] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.157307][ T538] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.157455][ T538] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.157651][ T538] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.157843][ T538] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.158043][ T538] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.158254][ T538] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.158447][ T538] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.158643][ T538] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.158843][ T538] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.159038][ T538] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.159247][ T538] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.159433][ T538] ? 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) 
[ 48.159622][ T538] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.159813][ T538] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.160005][ T538] ? 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) 
[ 48.160209][ T538] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.160403][ T538] __x64_sys_sendto (net/socket.c:2181) 
[ 48.160593][ T538] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.160827][ T538] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.161025][ T538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.161269][  T538] RIP: 0033:0x7f918111ba4a
[ 48.161467][ T538] Code: Unable to access opcode bytes at 0x7f918111ba20.

Code starting with the faulting instruction
===========================================
[   48.161710][  T538] RSP: 002b:00007ffdd9870c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.161993][  T538] RAX: ffffffffffffffda RBX: 00000000317a3b00 RCX: 00007f918111ba4a
[   48.162279][  T538] RDX: 000000000000003c RSI: 00000000317a3b00 RDI: 0000000000000005
[   48.162596][  T538] RBP: 00000000317a3910 R08: 00007f91812bf200 R09: 000000000000000c
[   48.162878][  T538] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   48.163172][  T538] R13: 00000000317a3910 R14: 0000000000000000 R15: 0000000000000003
| [   48.190094][  T538] ------------[ cut here ]------------
| [ 48.190349][ T538] WARNING: CPU: 0 PID: 538 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) 
| [   48.190731][  T538] Modules linked in: netdevsim
| [   48.191294][  T538] Tainted: [W]=WARN
[   48.191440][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.191673][ T538] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.191922][ T538] 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
[   48.192591][  T538] RSP: 0018:ffffc90000ef71e8 EFLAGS: 00010246
[   48.192830][  T538] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   48.193114][  T538] RDX: 0000000000000000 RSI: ffff88800a4eac98 RDI: ffff888002855080
[   48.193413][  T538] RBP: ffffffffbb323440 R08: 0000000000000000 R09: fffffbfff723d83c
[   48.193694][  T538] R10: ffffffffb91ec1e7 R11: ffff8880028545c0 R12: 0000000000000000
[   48.193978][  T538] R13: ffff88800a4ea128 R14: ffff88800a4ea008 R15: ffff88800a4ea000
[   48.194274][  T538] FS:  00007f9180f0f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   48.194611][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.194849][  T538] CR2: 00007ffc1abf2fa0 CR3: 00000000056bc001 CR4: 0000000000772ef0
[   48.195132][  T538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.195446][  T538] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.195747][  T538] PKRU: 55555554
[   48.195897][  T538] Call Trace:
[   48.196038][  T538]  <TASK>
[ 48.196135][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.196349][ T538] ? __warn (kernel/panic.c:748) 
[ 48.196501][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.196694][ T538] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 48.196895][ T538] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 48.197040][ T538] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 48.197252][ T538] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 48.197459][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 48.197661][ T538] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 48.197858][ T538] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 48.198111][ T538] ? _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) 
[ 48.198323][ T538] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 48.198531][ T538] register_netdevice (net/core/dev.c:11003) 
[ 48.198736][ T538] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 48.198954][ T538] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 48.199174][ T538] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 48.199425][ T538] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 48.199678][ T538] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 48.199937][ T538] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 48.200200][ T538] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 48.200447][ T538] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 48.200693][ T538] ? devlink_get_from_attrs_lock (net/devlink/netlink.c:196) 
[ 48.200943][ T538] devlink_reload (net/devlink/dev.c:474) 
[ 48.201172][ T538] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 48.201366][ T538] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.201564][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.201778][ T538] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 48.201975][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.202237][ T538] ? __nla_parse (lib/nlattr.c:732) 
[ 48.202445][ T538] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 48.202650][ T538] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 48.202905][ T538] ? cap_capable (security/commoncap.c:131) 
[ 48.203101][ T538] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 48.203323][ T538] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 48.203518][ T538] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 48.203713][ T538] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 48.203948][ T538] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 48.204201][ T538] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 48.204452][ T538] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 48.204646][ T538] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 48.204835][ T538] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 48.205026][ T538] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 48.205237][ T538] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 48.205384][ T538] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 48.205574][ T538] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 48.205774][ T538] genl_rcv (net/netlink/genetlink.c:1220) 
[ 48.205917][ T538] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 48.206110][ T538] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 48.206314][ T538] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 48.206509][ T538] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 48.206702][ T538] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 48.206888][ T538] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 48.207083][ T538] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 48.207307][ T538] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 48.207510][ T538] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 48.207711][ T538] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 48.207900][ T538] ? 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) 
[ 48.208095][ T538] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 48.208304][ T538] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 48.208499][ T538] ? 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) 
[ 48.208700][ T538] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 48.208896][ T538] __x64_sys_sendto (net/socket.c:2181) 
[ 48.209090][ T538] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 48.209339][ T538] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.209532][ T538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.209771][  T538] RIP: 0033:0x7f918111ba4a
[ 48.209973][ T538] Code: Unable to access opcode bytes at 0x7f918111ba20.

Code starting with the faulting instruction
===========================================
[   48.210239][  T538] RSP: 002b:00007ffdd9870c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.210529][  T538] RAX: ffffffffffffffda RBX: 00000000317a3b00 RCX: 00007f918111ba4a
[   48.210826][  T538] RDX: 000000000000003c RSI: 00000000317a3b00 RDI: 0000000000000005
[   48.211125][  T538] RBP: 00000000317a3910 R08: 00007f91812bf200 R09: 000000000000000c
[   48.211438][  T538] 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