======================================
| 0
| xx__-> [    9.568063][  T228] ------------[ cut here ]------------
| [ 9.568507][ 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:10596) 
| [    9.568989][  T228] Modules linked in: netdevsim
[    9.569618][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.569896][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.570216][ T228] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[    9.571038][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.571339][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.571689][  T228] RDX: 0000000000000000 RSI: ffff88800597ac98 RDI: ffff8880051a8b78
[    9.572041][  T228] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[    9.572389][  T228] R10: ffffffffb99ec227 R11: ffff8880051a8040 R12: 0000000000000000
[    9.572773][  T228] R13: ffff88800597a128 R14: ffff88800597a008 R15: ffff88800597a000
[    9.573136][  T228] FS:  00007f1ea2557740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.573660][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.573964][  T228] CR2: 000055ea025d1b68 CR3: 00000000091b8003 CR4: 0000000000772ef0
[    9.574323][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.574667][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.575029][  T228] PKRU: 55555554
[    9.575217][  T228] Call Trace:
[    9.575404][  T228]  <TASK>
[ 9.575527][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.575772][ T228] ? __warn (kernel/panic.c:748) 
[ 9.575962][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.576197][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.576440][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.576622][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.576850][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.577100][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.577337][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 9.577649][ 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) 
[ 9.577917][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.578152][ T228] register_netdevice (net/core/dev.c:11033) 
[ 9.578398][ T228] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 9.578661][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.578937][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.579229][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.579413][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.579711][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.580013][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.580323][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.580576][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.580872][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.581135][ 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)) 
[ 9.581322][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.581568][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.581812][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.582073][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.582321][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.582550][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.582828][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.583069][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.583297][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.583537][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.583777][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.584022][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.584275][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.584515][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.584768][ 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) 
[ 9.585024][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.585274][ T228] device_add (drivers/base/core.c:3672) 
[ 9.585510][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.585736][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.585986][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.586295][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.586597][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.586826][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.587097][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.587327][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.587559][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.587739][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.587994][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.588229][ 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) 
[ 9.588466][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.588710][ T228] ksys_write (fs/read_write.c:731) 
[ 9.588885][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.589144][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.589384][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.589632][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.589934][  T228] RIP: 0033:0x7f1ea2698b77
[ 9.590166][ 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
[    9.590957][  T228] RSP: 002b:00007ffc31a7c788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.591315][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ea2698b77
[    9.591675][  T228] RDX: 0000000000000005 RSI: 000055ea025d0b60 RDI: 0000000000000001
[    9.592066][  T228] RBP: 000055ea025d0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.592426][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.592781][  T228] R13: 00007f1ea2754760 R14: 0000000000000005 R15: 00007f1ea274f9c0
| [    9.608335][  T228] ------------[ cut here ]------------
| [ 9.608585][ 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:10596) 
| [    9.609053][  T228] Modules linked in: netdevsim
| [    9.609761][  T228] Tainted: [W]=WARN
[    9.609950][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.610233][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.610525][ T228] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[    9.611328][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.611618][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.612021][  T228] RDX: 0000000000000000 RSI: ffff88800267ac98 RDI: ffff8880051a8b78
[    9.612385][  T228] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[    9.612730][  T228] R10: ffffffffb99ec227 R11: ffff8880051a8040 R12: 0000000000000000
[    9.613072][  T228] R13: ffff88800267a128 R14: ffff88800267a008 R15: ffff88800267a000
[    9.613415][  T228] FS:  00007f1ea2557740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.613801][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.614093][  T228] CR2: 000055ea025d1b68 CR3: 00000000091b8003 CR4: 0000000000772ef0
[    9.614431][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.614767][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.615102][  T228] PKRU: 55555554
[    9.615270][  T228] Call Trace:
[    9.615442][  T228]  <TASK>
[ 9.615556][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.615778][ T228] ? __warn (kernel/panic.c:748) 
[ 9.615959][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.616183][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.616410][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.616579][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.616798][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.617048][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.617279][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 9.617557][ 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) 
[ 9.617785][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.618020][ T228] register_netdevice (net/core/dev.c:11033) 
[ 9.618248][ T228] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 9.618480][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.618725][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.619015][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.619183][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.619470][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.619748][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.620038][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.620275][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.620549][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.620791][ 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)) 
[ 9.620970][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.621201][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.621431][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.621653][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.621878][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.622128][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.622399][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.622618][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.622835][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.623064][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.623283][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.623516][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.623735][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.623964][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.624186][ 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) 
[ 9.624417][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.624640][ T228] device_add (drivers/base/core.c:3672) 
[ 9.624864][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.625095][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.625331][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.625619][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.625914][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.626136][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.626361][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.626576][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.626807][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.626992][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.627217][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.627435][ 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) 
[ 9.627677][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.627920][ T228] ksys_write (fs/read_write.c:731) 
[ 9.628088][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.628311][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.628554][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.628778][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.629178][  T228] RIP: 0033:0x7f1ea2698b77
[ 9.629406][ 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
[    9.630181][  T228] RSP: 002b:00007ffc31a7c788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.630523][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ea2698b77
[    9.630848][  T228] RDX: 0000000000000005 RSI: 000055ea025d0b60 RDI: 0000000000000001
[    9.631191][  T228] RBP: 000055ea025d0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.631519][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.631841][  T228] R13: 00007f1ea2754760 R14: 0000000000000005 R15: 00007f1ea274f9c0
| [    9.646381][  T228] ------------[ cut here ]------------
| [ 9.646623][ 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:10596) 
| [    9.647122][  T228] Modules linked in: netdevsim
| [    9.647783][  T228] Tainted: [W]=WARN
[    9.647967][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.648257][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.648533][ T228] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[    9.649299][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.649579][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.649898][  T228] RDX: 0000000000000000 RSI: ffff888004e7ac98 RDI: ffff8880051a8b78
[    9.650243][  T228] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[    9.650565][  T228] R10: ffffffffb99ec227 R11: ffff8880051a8040 R12: 0000000000000000
[    9.650916][  T228] R13: ffff888004e7a128 R14: ffff888004e7a008 R15: ffff888004e7a000
[    9.651242][  T228] FS:  00007f1ea2557740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.651614][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.651889][  T228] CR2: 000055ea025d1b68 CR3: 00000000091b8003 CR4: 0000000000772ef0
[    9.652230][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.652561][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.652883][  T228] PKRU: 55555554
[    9.653059][  T228] Call Trace:
[    9.653226][  T228]  <TASK>
[ 9.653341][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.653577][ T228] ? __warn (kernel/panic.c:748) 
[ 9.653746][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.653985][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.654225][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.654405][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.654626][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.654860][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.655113][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 9.655389][ 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) 
[ 9.655625][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.655854][ T228] register_netdevice (net/core/dev.c:11033) 
[ 9.656091][ T228] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 9.656321][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.656559][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.656839][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.657025][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.657312][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.657592][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.657872][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.658108][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.658400][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.658631][ 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)) 
[ 9.658799][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.659040][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.659267][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.659488][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.659706][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.659936][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.660211][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.660430][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.660647][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.660869][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.661542][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.661800][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.662050][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.662280][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.662500][ 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) 
[ 9.662728][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.662965][ T228] device_add (drivers/base/core.c:3672) 
[ 9.663188][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.663405][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.663636][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.663933][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.664226][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.664447][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.664675][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.664894][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.665134][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.665310][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.665533][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.665758][ 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) 
[ 9.665994][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.666225][ T228] ksys_write (fs/read_write.c:731) 
[ 9.666395][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.666612][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.666847][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.667098][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.667379][  T228] RIP: 0033:0x7f1ea2698b77
[ 9.667605][ 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
[    9.668375][  T228] RSP: 002b:00007ffc31a7c788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.668700][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ea2698b77
[    9.669037][  T228] RDX: 0000000000000005 RSI: 000055ea025d0b60 RDI: 0000000000000001
[    9.669362][  T228] RBP: 000055ea025d0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.669700][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.670033][  T228] R13: 00007f1ea2754760 R14: 0000000000000005 R15: 00007f1ea274f9c0
| [    9.684471][  T228] ------------[ cut here ]------------
| [ 9.684713][ 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:10596) 
| [    9.685165][  T228] Modules linked in: netdevsim
| [    9.685821][  T228] Tainted: [W]=WARN
[    9.686014][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.686282][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.686556][ T228] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[    9.687325][  T228] RSP: 0018:ffffc90000ac7520 EFLAGS: 00010246
[    9.687599][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.687930][  T228] RDX: 0000000000000000 RSI: ffff88800b93ac98 RDI: ffff8880051a8b78
[    9.688271][  T228] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[    9.688620][  T228] R10: ffffffffb99ec227 R11: ffff8880051a8040 R12: 0000000000000000
[    9.688964][  T228] R13: ffff88800b93a128 R14: ffff88800b93a008 R15: ffff88800b93a000
[    9.689283][  T228] FS:  00007f1ea2557740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.689660][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.689940][  T228] CR2: 000055ea025d1b68 CR3: 00000000091b8003 CR4: 0000000000772ef0
[    9.690267][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.690587][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.690925][  T228] PKRU: 55555554
[    9.691090][  T228] Call Trace:
[    9.691253][  T228]  <TASK>
[ 9.691391][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.691612][ T228] ? __warn (kernel/panic.c:748) 
[ 9.691780][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.692024][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.692261][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.692429][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.692651][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.692881][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.693126][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 9.693421][ 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) 
[ 9.693657][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.693890][ T228] register_netdevice (net/core/dev.c:11033) 
[ 9.694143][ T228] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 9.694387][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.694648][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.694952][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.695135][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.695429][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.695723][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.696076][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.696318][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.696612][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.696846][ 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)) 
[ 9.697035][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.697271][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.697513][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.697745][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.697988][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.698220][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.698504][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.698736][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.698972][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.699197][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.699458][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.699682][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.699928][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.700143][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.700361][ 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) 
[ 9.700584][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.700819][ T228] device_add (drivers/base/core.c:3672) 
[ 9.701073][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.701302][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.701540][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.701835][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.702133][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.702358][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.702601][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.702831][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.703069][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.703260][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.703485][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.703708][ 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) 
[ 9.703958][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.704197][ T228] ksys_write (fs/read_write.c:731) 
[ 9.704380][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.704610][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.704858][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.705092][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.705360][  T228] RIP: 0033:0x7f1ea2698b77
[ 9.705603][ 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
[    9.706391][  T228] RSP: 002b:00007ffc31a7c788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.706718][  T228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ea2698b77
[    9.707055][  T228] RDX: 0000000000000005 RSI: 000055ea025d0b60 RDI: 0000000000000001
[    9.707381][  T228] RBP: 000055ea025d0b60 R08: 0000000000000003 R09: 0000000000000000
[    9.707712][  T228] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000000000005
[    9.708043][  T228] R13: 00007f1ea2754760 R14: 0000000000000005 R15: 00007f1ea274f9c0
| [   39.429832][  T312] ------------[ cut here ]------------
| [ 39.430268][ T312] WARNING: CPU: 2 PID: 312 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:10596) 
| [   39.430674][  T312] Modules linked in: netdevsim
| [   39.431248][  T312] Tainted: [W]=WARN
[   39.431409][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.431661][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.431938][ T312] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   39.432609][  T312] RSP: 0018:ffffc900005d71e8 EFLAGS: 00010246
[   39.432864][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.433170][  T312] RDX: 0000000000000000 RSI: ffff88800d5a2c98 RDI: ffff88800a73adc0
[   39.433464][  T312] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   39.433758][  T312] R10: ffffffffb99ec227 R11: ffff88800a73a300 R12: 0000000000000000
[   39.434067][  T312] R13: ffff88800d5a2128 R14: ffff88800d5a2008 R15: ffff88800d5a2000
[   39.434360][  T312] FS:  00007ff1ddcd7800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   39.434703][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.434964][  T312] CR2: 000055702f78fb78 CR3: 0000000008f42004 CR4: 0000000000772ef0
[   39.435261][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.435561][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.435852][  T312] PKRU: 55555554
[   39.436112][  T312] Call Trace:
[   39.436271][  T312]  <TASK>
[ 39.436384][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.436593][ T312] ? __warn (kernel/panic.c:748) 
[ 39.436755][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.436976][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.437189][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.437356][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.437563][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.437783][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.438002][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 39.438213][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 39.438473][ T312] ? _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) 
[ 39.438684][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.438897][ T312] register_netdevice (net/core/dev.c:11033) 
[ 39.439119][ T312] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 39.439334][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.439560][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.439822][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.440095][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.440365][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.440623][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.440879][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.441141][ T312] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 39.441392][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.441592][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.441853][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 39.442083][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.442288][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.442542][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.442748][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.443009][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 39.443223][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.443432][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.443697][ T312] ? cap_capable (security/commoncap.c:131) 
[ 39.443900][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.444124][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.444331][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.444547][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.444797][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.445058][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.445319][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.445525][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.445725][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.445938][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.446151][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.446311][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.446512][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.446720][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.446878][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.447094][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.447296][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.447503][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.447712][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.447920][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.448125][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.448334][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.448539][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.448750][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.448960][ T312] ? 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) 
[ 39.449187][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.449397][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.449602][ T312] ? 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) 
[ 39.449806][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.450021][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 39.450221][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.450467][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.450674][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.450934][  T312] RIP: 0033:0x7ff1ddee3a4a
[ 39.451139][ T312] 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
[   39.451811][  T312] RSP: 002b:00007ffd958099d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.452120][  T312] RAX: ffffffffffffffda RBX: 000000002ca23b00 RCX: 00007ff1ddee3a4a
[   39.452418][  T312] RDX: 0000000000000034 RSI: 000000002ca23b00 RDI: 0000000000000005
[   39.452710][  T312] RBP: 000000002ca23910 R08: 00007ff1de087200 R09: 000000000000000c
[   39.453008][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.453302][  T312] R13: 000000002ca23910 R14: 0000000000000000 R15: 0000000000000001
| [   39.473145][  T312] ------------[ cut here ]------------
| [ 39.473361][ T312] WARNING: CPU: 1 PID: 312 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:10596) 
| [   39.473736][  T312] Modules linked in: netdevsim
| [   39.474290][  T312] Tainted: [W]=WARN
[   39.474434][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.474664][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.474915][ T312] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   39.475573][  T312] RSP: 0018:ffffc900005d71e8 EFLAGS: 00010246
[   39.475812][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.476102][  T312] RDX: 0000000000000000 RSI: ffff888009c82c98 RDI: ffff88800a73adc0
[   39.476382][  T312] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   39.476660][  T312] R10: ffffffffb99ec227 R11: ffff88800a73a300 R12: 0000000000000000
[   39.476953][  T312] R13: ffff888009c82128 R14: ffff888009c82008 R15: ffff888009c82000
[   39.477235][  T312] FS:  00007ff1ddcd7800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   39.477564][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.477802][  T312] CR2: 00007f25a682fa7b CR3: 0000000008f42002 CR4: 0000000000772ef0
[   39.478101][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.478384][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.478662][  T312] PKRU: 55555554
[   39.478805][  T312] Call Trace:
[   39.478958][  T312]  <TASK>
[ 39.479058][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.479247][ T312] ? __warn (kernel/panic.c:748) 
[ 39.479397][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.479593][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.479787][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.479940][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.480129][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.480333][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.480524][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 39.480723][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 39.480971][ T312] ? _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) 
[ 39.481166][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.481358][ T312] register_netdevice (net/core/dev.c:11033) 
[ 39.481553][ T312] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 39.481752][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.481976][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.482219][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.482467][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.482711][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.482959][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.483197][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.483430][ T312] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 39.483662][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.483849][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.484106][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 39.484297][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.484485][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.484730][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.484947][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.485184][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 39.485383][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.485571][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.485813][ T312] ? cap_capable (security/commoncap.c:131) 
[ 39.486009][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.486207][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.486397][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.486583][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.486812][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.487048][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.487290][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.487484][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.487669][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.487857][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.488066][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.488211][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.488399][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.488592][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.488733][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.488941][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.489130][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.489322][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.489514][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.489698][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.489887][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.490090][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.490281][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.490481][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.490666][ T312] ? 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) 
[ 39.490855][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.491056][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.491249][ T312] ? 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) 
[ 39.491439][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.491631][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 39.491822][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.492066][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.492257][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.492485][  T312] RIP: 0033:0x7ff1ddee3a4a
[ 39.492676][ T312] 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
[   39.493332][  T312] RSP: 002b:00007ffd958099d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.493612][  T312] RAX: ffffffffffffffda RBX: 000000002ca23b00 RCX: 00007ff1ddee3a4a
[   39.493886][  T312] RDX: 0000000000000034 RSI: 000000002ca23b00 RDI: 0000000000000005
[   39.494169][  T312] RBP: 000000002ca23910 R08: 00007ff1de087200 R09: 000000000000000c
[   39.494447][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.494721][  T312] R13: 000000002ca23910 R14: 0000000000000000 R15: 0000000000000001
| [   39.513032][  T312] ------------[ cut here ]------------
| [ 39.513270][ T312] WARNING: CPU: 2 PID: 312 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:10596) 
| [   39.513659][  T312] Modules linked in: netdevsim
| [   39.514233][  T312] Tainted: [W]=WARN
[   39.514392][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.514643][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.514895][ T312] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   39.515580][  T312] RSP: 0018:ffffc900005d71e8 EFLAGS: 00010246
[   39.515836][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.516140][  T312] RDX: 0000000000000000 RSI: ffff888004e42c98 RDI: ffff88800a73adc0
[   39.516434][  T312] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   39.516735][  T312] R10: ffffffffb99ec227 R11: ffff88800a73a300 R12: 0000000000000000
[   39.517036][  T312] R13: ffff888004e42128 R14: ffff888004e42008 R15: ffff888004e42000
[   39.517334][  T312] FS:  00007ff1ddcd7800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   39.517674][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.517934][  T312] CR2: 00007f25a6445900 CR3: 0000000008f42004 CR4: 0000000000772ef0
[   39.518230][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.518522][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.518813][  T312] PKRU: 55555554
[   39.518980][  T312] Call Trace:
[   39.519150][  T312]  <TASK>
[ 39.519264][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.519467][ T312] ? __warn (kernel/panic.c:748) 
[ 39.519626][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.519831][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.520045][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.520204][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.520407][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.520630][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.520833][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 39.521050][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 39.521306][ T312] ? _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) 
[ 39.521514][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.521718][ T312] register_netdevice (net/core/dev.c:11033) 
[ 39.521948][ T312] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 39.522164][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.522379][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.522634][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.522896][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.523169][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.523428][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.523684][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.523940][ T312] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 39.524188][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.524388][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.524647][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 39.524852][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.525071][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.525326][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.525529][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.525776][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 39.525993][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.526201][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.526466][ T312] ? cap_capable (security/commoncap.c:131) 
[ 39.526670][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.526900][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.527122][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.527324][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.527579][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.527837][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.528114][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.528326][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.528529][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.528735][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.528959][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.529117][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.529320][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.529532][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.529689][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.529912][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.530115][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.530326][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.530540][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.530741][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.530957][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.531168][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.531382][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.531595][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.531797][ T312] ? 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) 
[ 39.532025][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.532236][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.532449][ T312] ? 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) 
[ 39.532670][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.532884][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 39.533100][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.533348][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.533561][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.533809][  T312] RIP: 0033:0x7ff1ddee3a4a
[ 39.534035][ T312] Code: Unable to access opcode bytes at 0x7ff1ddee3a20.

Code starting with the faulting instruction
===========================================
[   39.534332][  T312] RSP: 002b:00007ffd958099d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.534642][  T312] RAX: ffffffffffffffda RBX: 000000002ca23b00 RCX: 00007ff1ddee3a4a
[   39.534953][  T312] RDX: 0000000000000034 RSI: 000000002ca23b00 RDI: 0000000000000005
[   39.535254][  T312] RBP: 000000002ca23910 R08: 00007ff1de087200 R09: 000000000000000c
[   39.535556][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.535853][  T312] R13: 000000002ca23910 R14: 0000000000000000 R15: 0000000000000001
| [   39.549178][  T312] ------------[ cut here ]------------
| [ 39.549502][ T312] WARNING: CPU: 2 PID: 312 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:10596) 
| [   39.549899][  T312] Modules linked in: netdevsim
| [   39.550466][  T312] Tainted: [W]=WARN
[   39.550632][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.550879][ T312] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.551148][ T312] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   39.551817][  T312] RSP: 0018:ffffc900005d71e8 EFLAGS: 00010246
[   39.552098][  T312] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   39.552395][  T312] RDX: 0000000000000000 RSI: ffff88800d74ac98 RDI: ffff88800a73adc0
[   39.552693][  T312] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   39.552998][  T312] R10: ffffffffb99ec227 R11: ffff88800a73a300 R12: 0000000000000000
[   39.553304][  T312] R13: ffff88800d74a128 R14: ffff88800d74a008 R15: ffff88800d74a000
[   39.553599][  T312] FS:  00007ff1ddcd7800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   39.553948][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.554199][  T312] CR2: 00007ff1ddee3a20 CR3: 0000000008f42004 CR4: 0000000000772ef0
[   39.554498][  T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.554798][  T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.555104][  T312] PKRU: 55555554
[   39.555260][  T312] Call Trace:
[   39.555416][  T312]  <TASK>
[ 39.555531][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.555738][ T312] ? __warn (kernel/panic.c:748) 
[ 39.555918][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.556131][ T312] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 39.556356][ T312] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 39.556522][ T312] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 39.556728][ T312] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 39.556956][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 39.557160][ T312] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 39.557375][ T312] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 39.557632][ T312] ? _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) 
[ 39.557845][ T312] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 39.558071][ T312] register_netdevice (net/core/dev.c:11033) 
[ 39.558286][ T312] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 39.558499][ T312] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 39.558722][ T312] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 39.558998][ T312] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 39.559265][ T312] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 39.559534][ T312] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 39.559805][ T312] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 39.560070][ T312] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 39.560335][ T312] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 39.560587][ T312] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 39.560803][ T312] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 39.561078][ T312] devlink_reload (net/devlink/dev.c:474) 
[ 39.561286][ T312] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 39.561493][ T312] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 39.561766][ T312] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 39.561993][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.562252][ T312] ? __nla_parse (lib/nlattr.c:732) 
[ 39.562470][ T312] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 39.562678][ T312] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 39.562952][ T312] ? cap_capable (security/commoncap.c:131) 
[ 39.563156][ T312] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 39.563371][ T312] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 39.563580][ T312] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 39.563785][ T312] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 39.564047][ T312] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 39.564293][ T312] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 39.564557][ T312] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 39.564766][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 39.564980][ T312] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 39.565183][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 39.565402][ T312] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 39.565559][ T312] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 39.565770][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 39.565988][ T312] genl_rcv (net/netlink/genetlink.c:1220) 
[ 39.566149][ T312] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 39.566364][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 39.566570][ T312] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 39.566782][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 39.567001][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 39.567204][ T312] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 39.567409][ T312] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 39.567626][ T312] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 39.567838][ T312] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 39.568061][ T312] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 39.568257][ T312] ? 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) 
[ 39.568462][ T312] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 39.568665][ T312] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 39.568870][ T312] ? 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) 
[ 39.569082][ T312] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 39.569298][ T312] __x64_sys_sendto (net/socket.c:2181) 
[ 39.569500][ T312] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 39.569747][ T312] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.569960][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.570205][  T312] RIP: 0033:0x7ff1ddee3a4a
[ 39.570602][ T312] Code: Unable to access opcode bytes at 0x7ff1ddee3a20.

Code starting with the faulting instruction
===========================================
[   39.570855][  T312] RSP: 002b:00007ffd958099d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.571289][  T312] RAX: ffffffffffffffda RBX: 000000002ca23b00 RCX: 00007ff1ddee3a4a
[   39.571587][  T312] RDX: 0000000000000034 RSI: 000000002ca23b00 RDI: 0000000000000005
[   39.571878][  T312] RBP: 000000002ca23910 R08: 00007ff1de087200 R09: 000000000000000c
[   39.572190][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   39.572489][  T312] R13: 000000002ca23910 R14: 0000000000000000 R15: 0000000000000001
| [   42.208028][  T404] ------------[ cut here ]------------
| [ 42.208337][ T404] WARNING: CPU: 0 PID: 404 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:10596) 
| [   42.208720][  T404] Modules linked in: netdevsim
| [   42.209269][  T404] Tainted: [W]=WARN
[   42.209416][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.209650][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.209893][ T404] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.210648][  T404] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   42.210889][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.211257][  T404] RDX: 0000000000000000 RSI: ffff88800d5bac98 RDI: ffff8880091a8b00
[   42.211539][  T404] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.211819][  T404] R10: ffffffffb99ec227 R11: ffff8880091a8040 R12: 0000000000000000
[   42.212146][  T404] R13: ffff88800d5ba128 R14: ffff88800d5ba008 R15: ffff88800d5ba000
[   42.212429][  T404] FS:  00007f8783e5f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.212757][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.213005][  T404] CR2: 000000000041ecd0 CR3: 000000000253e002 CR4: 0000000000772ef0
[   42.213291][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.213576][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.213857][  T404] PKRU: 55555554
[   42.214013][  T404] Call Trace:
[   42.214159][  T404]  <TASK>
[ 42.214258][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.214448][ T404] ? __warn (kernel/panic.c:748) 
[ 42.214601][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.214795][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.215003][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.215149][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.215341][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.215546][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.215739][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.215945][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.216189][ T404] ? _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) 
[ 42.216385][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.216577][ T404] register_netdevice (net/core/dev.c:11033) 
[ 42.216775][ T404] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.216985][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.217194][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.217440][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.217694][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.217952][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.218199][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.218446][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.218685][ T404] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.218932][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.219125][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.219377][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 42.219572][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.219767][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.220027][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.220236][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.220472][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 42.220672][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.220887][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.221150][ T404] ? cap_capable (security/commoncap.c:131) 
[ 42.221339][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.221536][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.221731][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.221936][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.222175][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.222412][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.222661][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.222854][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.223059][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.223255][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.223464][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.223611][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.223802][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.224010][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.224158][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.224358][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.224552][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.224753][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.224960][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.225153][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.225351][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.225557][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.225755][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.225968][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.226156][ T404] ? 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) 
[ 42.226349][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.226542][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.226744][ T404] ? 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) 
[ 42.226950][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.227141][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 42.227329][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.227562][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.227752][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.227994][  T404] RIP: 0033:0x7f878406ba4a
[ 42.228188][ T404] 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
[   42.228838][  T404] RSP: 002b:00007ffd778aec28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.229137][  T404] RAX: ffffffffffffffda RBX: 000000001162eb00 RCX: 00007f878406ba4a
[   42.229414][  T404] RDX: 0000000000000034 RSI: 000000001162eb00 RDI: 0000000000000005
[   42.229692][  T404] RBP: 000000001162e910 R08: 00007f878420f200 R09: 000000000000000c
[   42.229976][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.230258][  T404] R13: 000000001162e910 R14: 0000000000000000 R15: 0000000000000001
| [   42.243159][  T404] ------------[ cut here ]------------
| [ 42.243366][ T404] WARNING: CPU: 0 PID: 404 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:10596) 
| [   42.243740][  T404] Modules linked in: netdevsim
| [   42.244282][  T404] Tainted: [W]=WARN
[   42.244425][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.244661][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.244925][ T404] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.245596][  T404] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   42.245849][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.246153][  T404] RDX: 0000000000000000 RSI: ffff88800529ac98 RDI: ffff8880091a8b00
[   42.246445][  T404] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.246742][  T404] R10: ffffffffb99ec227 R11: ffff8880091a8040 R12: 0000000000000000
[   42.247043][  T404] R13: ffff88800529a128 R14: ffff88800529a008 R15: ffff88800529a000
[   42.247350][  T404] FS:  00007f8783e5f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.247678][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.247919][  T404] CR2: 000000000041ecd0 CR3: 000000000253e002 CR4: 0000000000772ef0
[   42.248199][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.248474][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.248751][  T404] PKRU: 55555554
[   42.248893][  T404] Call Trace:
[   42.249044][  T404]  <TASK>
[ 42.249143][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.249330][ T404] ? __warn (kernel/panic.c:748) 
[ 42.249474][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.249662][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.249856][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.250015][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.250219][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.250429][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.250628][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.250830][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.251088][ T404] ? _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) 
[ 42.251289][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.251500][ T404] register_netdevice (net/core/dev.c:11033) 
[ 42.251704][ T404] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.251929][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.252166][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.252428][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.252695][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.252975][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.253237][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.253491][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.253740][ T404] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.253998][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.254201][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.254464][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 42.254672][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.254875][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.255141][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.255348][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.255605][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 42.255823][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.256041][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.256306][ T404] ? cap_capable (security/commoncap.c:131) 
[ 42.256505][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.256714][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.256925][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.257127][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.257379][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.257625][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.257884][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.258099][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.258306][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.258511][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.258727][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.258886][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.259104][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.259312][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.259464][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.259673][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.259877][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.260096][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.260304][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.260505][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.260713][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.260933][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.261140][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.261350][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.261543][ T404] ? 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) 
[ 42.261745][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.261965][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.262178][ T404] ? 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) 
[ 42.262376][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.262570][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 42.262764][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.263012][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.263211][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.263449][  T404] RIP: 0033:0x7f878406ba4a
[ 42.263650][ T404] 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
[   42.264321][  T404] RSP: 002b:00007ffd778aec28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.264602][  T404] RAX: ffffffffffffffda RBX: 000000001162eb00 RCX: 00007f878406ba4a
[   42.264883][  T404] RDX: 0000000000000034 RSI: 000000001162eb00 RDI: 0000000000000005
[   42.265174][  T404] RBP: 000000001162e910 R08: 00007f878420f200 R09: 000000000000000c
[   42.265457][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.265737][  T404] R13: 000000001162e910 R14: 0000000000000000 R15: 0000000000000001
| [   42.278427][  T404] ------------[ cut here ]------------
| [ 42.278633][ T404] WARNING: CPU: 0 PID: 404 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:10596) 
| [   42.279019][  T404] Modules linked in: netdevsim
| [   42.279556][  T404] Tainted: [W]=WARN
[   42.279708][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.280064][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.280306][ T404] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.280989][  T404] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   42.281229][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.281517][  T404] RDX: 0000000000000000 RSI: ffff88800bb3ac98 RDI: ffff8880091a8b00
[   42.281805][  T404] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.282112][  T404] R10: ffffffffb99ec227 R11: ffff8880091a8040 R12: 0000000000000000
[   42.282403][  T404] R13: ffff88800bb3a128 R14: ffff88800bb3a008 R15: ffff88800bb3a000
[   42.282686][  T404] FS:  00007f8783e5f800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   42.283024][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.283262][  T404] CR2: 00007fadbc466270 CR3: 000000000253e002 CR4: 0000000000772ef0
[   42.283557][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.283841][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.284142][  T404] PKRU: 55555554
[   42.284290][  T404] Call Trace:
[   42.284439][  T404]  <TASK>
[ 42.284540][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.284737][ T404] ? __warn (kernel/panic.c:748) 
[ 42.284889][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.285102][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.285299][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.285450][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.285640][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.285849][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.286057][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.286258][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.286503][ T404] ? _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) 
[ 42.286699][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.286892][ T404] register_netdevice (net/core/dev.c:11033) 
[ 42.287101][ T404] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.287303][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.287516][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.287769][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.288036][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.288294][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.288544][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.288793][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.289043][ T404] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.289288][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.289482][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.289736][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 42.289943][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.290143][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.290389][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.290588][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.290836][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 42.291060][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.291257][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.291520][ T404] ? cap_capable (security/commoncap.c:131) 
[ 42.291714][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.291936][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.292136][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.292334][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.292570][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.292806][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.293071][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.293272][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.293466][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.293659][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.293873][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.294031][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.294227][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.294436][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.294584][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.294781][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.294983][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.295186][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.295390][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.295586][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.295788][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.295998][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.296194][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.296396][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.296586][ T404] ? 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) 
[ 42.296781][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.296985][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.297185][ T404] ? 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) 
[ 42.297382][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.297581][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 42.297776][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.298025][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.298221][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.298459][  T404] RIP: 0033:0x7f878406ba4a
[ 42.298661][ T404] Code: Unable to access opcode bytes at 0x7f878406ba20.

Code starting with the faulting instruction
===========================================
[   42.298916][  T404] RSP: 002b:00007ffd778aec28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.299211][  T404] RAX: ffffffffffffffda RBX: 000000001162eb00 RCX: 00007f878406ba4a
[   42.299493][  T404] RDX: 0000000000000034 RSI: 000000001162eb00 RDI: 0000000000000005
[   42.299787][  T404] RBP: 000000001162e910 R08: 00007f878420f200 R09: 000000000000000c
[   42.300084][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.300376][  T404] R13: 000000001162e910 R14: 0000000000000000 R15: 0000000000000001
| [   42.315649][  T404] ------------[ cut here ]------------
| [ 42.315896][ T404] WARNING: CPU: 1 PID: 404 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:10596) 
| [   42.316415][  T404] Modules linked in: netdevsim
| [   42.317101][  T404] Tainted: [W]=WARN
[   42.317256][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.317513][ T404] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.317774][ T404] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.318574][  T404] RSP: 0018:ffffc90000b271e8 EFLAGS: 00010246
[   42.318834][  T404] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.319224][  T404] RDX: 0000000000000000 RSI: ffff88800befac98 RDI: ffff8880091a8b00
[   42.319530][  T404] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.319839][  T404] R10: ffffffffb99ec227 R11: ffff8880091a8040 R12: 0000000000000000
[   42.320215][  T404] R13: ffff88800befa128 R14: ffff88800befa008 R15: ffff88800befa000
[   42.320523][  T404] FS:  00007f8783e5f800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   42.320887][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.321161][  T404] CR2: 00007f0d0ff16550 CR3: 000000000253e001 CR4: 0000000000772ef0
[   42.321468][  T404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.321768][  T404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.322089][  T404] PKRU: 55555554
[   42.322243][  T404] Call Trace:
[   42.322401][  T404]  <TASK>
[ 42.322505][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.322708][ T404] ? __warn (kernel/panic.c:748) 
[ 42.322867][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.323085][ T404] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.323298][ T404] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.323454][ T404] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.323657][ T404] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.323874][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.324092][ T404] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.324304][ T404] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.324561][ T404] ? _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) 
[ 42.324769][ T404] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.324987][ T404] register_netdevice (net/core/dev.c:11033) 
[ 42.325203][ T404] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.325418][ T404] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.325637][ T404] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.325913][ T404] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.326184][ T404] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.326452][ T404] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.326717][ T404] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.326987][ T404] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.327242][ T404] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.327495][ T404] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 42.327698][ T404] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 42.327979][ T404] devlink_reload (net/devlink/dev.c:474) 
[ 42.328194][ T404] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.328398][ T404] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.328660][ T404] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.328867][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.329128][ T404] ? __nla_parse (lib/nlattr.c:732) 
[ 42.329342][ T404] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.329549][ T404] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.329816][ T404] ? cap_capable (security/commoncap.c:131) 
[ 42.330034][ T404] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.330244][ T404] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.330454][ T404] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.330657][ T404] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.330917][ T404] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.331174][ T404] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.331434][ T404] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.331639][ T404] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.331840][ T404] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.332068][ T404] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.332284][ T404] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.332440][ T404] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.332647][ T404] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.332862][ T404] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.333026][ T404] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.333235][ T404] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.333441][ T404] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.333648][ T404] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.333853][ T404] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.334070][ T404] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.334282][ T404] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.334495][ T404] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.334702][ T404] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.334928][ T404] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.335130][ T404] ? 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) 
[ 42.335334][ T404] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.335544][ T404] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.335750][ T404] ? 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) 
[ 42.335973][ T404] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.336178][ T404] __x64_sys_sendto (net/socket.c:2181) 
[ 42.336380][ T404] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.336629][ T404] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.336832][ T404] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.337089][  T404] RIP: 0033:0x7f878406ba4a
[ 42.337300][ T404] Code: Unable to access opcode bytes at 0x7f878406ba20.

Code starting with the faulting instruction
===========================================
[   42.337562][  T404] RSP: 002b:00007ffd778aec28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.337867][  T404] RAX: ffffffffffffffda RBX: 000000001162eb00 RCX: 00007f878406ba4a
[   42.338178][  T404] RDX: 0000000000000034 RSI: 000000001162eb00 RDI: 0000000000000005
[   42.338480][  T404] RBP: 000000001162e910 R08: 00007f878420f200 R09: 000000000000000c
[   42.338780][  T404] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.339093][  T404] R13: 000000001162e910 R14: 0000000000000000 R15: 0000000000000001
| [   42.694460][  T416] ------------[ cut here ]------------
| [ 42.694715][ T416] WARNING: CPU: 1 PID: 416 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:10596) 
| [   42.695161][  T416] Modules linked in: netdevsim
| [   42.695791][  T416] Tainted: [W]=WARN
[   42.695959][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.696219][ T416] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.696479][ T416] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.697214][  T416] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.697476][  T416] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.697775][  T416] RDX: 0000000000000000 RSI: ffff88800bf9ac98 RDI: ffff88800bb92dc0
[   42.698184][  T416] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.698491][  T416] R10: ffffffffb99ec227 R11: ffff88800bb92300 R12: 0000000000000000
[   42.698793][  T416] R13: ffff88800bf9a128 R14: ffff88800bf9a008 R15: ffff88800bf9a000
[   42.699187][  T416] FS:  00007f689a925800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   42.699535][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.699792][  T416] CR2: 000000000041ecd0 CR3: 00000000091e4004 CR4: 0000000000772ef0
[   42.700166][  T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.700470][  T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.700771][  T416] PKRU: 55555554
[   42.700945][  T416] Call Trace:
[   42.701102][  T416]  <TASK>
[ 42.701208][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.701410][ T416] ? __warn (kernel/panic.c:748) 
[ 42.701566][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.701769][ T416] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.702011][ T416] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.702170][ T416] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.702372][ T416] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.702593][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.702798][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.703022][ T416] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.703281][ T416] ? _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) 
[ 42.703492][ T416] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.703704][ T416] register_netdevice (net/core/dev.c:11033) 
[ 42.703928][ T416] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.704149][ T416] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.704372][ T416] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.704641][ T416] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.704929][ T416] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.705195][ T416] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.705460][ T416] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.705722][ T416] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.705996][ T416] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.706258][ T416] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.706525][ T416] devlink_reload (net/devlink/dev.c:474) 
[ 42.706733][ T416] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.706951][ T416] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.707214][ T416] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.707420][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.707677][ T416] ? __nla_parse (lib/nlattr.c:732) 
[ 42.707892][ T416] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.708109][ T416] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.708380][ T416] ? cap_capable (security/commoncap.c:131) 
[ 42.708584][ T416] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.708798][ T416] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.709014][ T416] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.709221][ T416] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.709470][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.709727][ T416] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.710016][ T416] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.710226][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.710428][ T416] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.710634][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.710854][ T416] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.711022][ T416] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.711228][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.711440][ T416] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.711596][ T416] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.711802][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.712025][ T416] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.712243][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.712449][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.712653][ T416] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.712856][ T416] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.713081][ T416] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.713289][ T416] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.713501][ T416] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.713706][ T416] ? 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) 
[ 42.713924][ T416] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.714134][ T416] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.714341][ T416] ? 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) 
[ 42.714553][ T416] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.714760][ T416] __x64_sys_sendto (net/socket.c:2181) 
[ 42.714990][ T416] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.715259][ T416] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.715465][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.715728][  T416] RIP: 0033:0x7f689ab31a4a
[ 42.715959][ T416] 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
[   42.716679][  T416] RSP: 002b:00007ffdd189a608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.716996][  T416] RAX: ffffffffffffffda RBX: 00000000082e8b00 RCX: 00007f689ab31a4a
[   42.717297][  T416] RDX: 0000000000000034 RSI: 00000000082e8b00 RDI: 0000000000000005
[   42.717597][  T416] RBP: 00000000082e8910 R08: 00007f689acd5200 R09: 000000000000000c
[   42.717912][  T416] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.718217][  T416] R13: 00000000082e8910 R14: 0000000000000000 R15: 0000000000000001
| [   42.732540][  T416] ------------[ cut here ]------------
| [ 42.732791][ T416] WARNING: CPU: 1 PID: 416 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:10596) 
| [   42.733208][  T416] Modules linked in: netdevsim
| [   42.733770][  T416] Tainted: [W]=WARN
[   42.733941][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.734209][ T416] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.734469][ T416] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.735176][  T416] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.735434][  T416] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.735746][  T416] RDX: 0000000000000000 RSI: ffff888008e22c98 RDI: ffff88800bb92dc0
[   42.736055][  T416] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.736355][  T416] R10: ffffffffb99ec227 R11: ffff88800bb92300 R12: 0000000000000000
[   42.736655][  T416] R13: ffff888008e22128 R14: ffff888008e22008 R15: ffff888008e22000
[   42.736971][  T416] FS:  00007f689a925800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   42.737373][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.737632][  T416] CR2: 000000000041ecd0 CR3: 00000000091e4004 CR4: 0000000000772ef0
[   42.737948][  T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.738251][  T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.738555][  T416] PKRU: 55555554
[   42.738710][  T416] Call Trace:
[   42.738863][  T416]  <TASK>
[ 42.738980][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.739183][ T416] ? __warn (kernel/panic.c:748) 
[ 42.739342][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.739549][ T416] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.739762][ T416] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.739929][ T416] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.740134][ T416] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.740352][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.740557][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.740765][ T416] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.741035][ T416] ? _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) 
[ 42.741248][ T416] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.741460][ T416] register_netdevice (net/core/dev.c:11033) 
[ 42.741679][ T416] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.741897][ T416] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.742134][ T416] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.742395][ T416] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.742669][ T416] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.742947][ T416] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.743210][ T416] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.743466][ T416] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.743720][ T416] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.743986][ T416] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.744260][ T416] devlink_reload (net/devlink/dev.c:474) 
[ 42.744469][ T416] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.744675][ T416] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.744944][ T416] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.745149][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.745401][ T416] ? __nla_parse (lib/nlattr.c:732) 
[ 42.745617][ T416] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.745823][ T416] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.746100][ T416] ? cap_capable (security/commoncap.c:131) 
[ 42.746304][ T416] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.746514][ T416] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.746719][ T416] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.746933][ T416] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.747190][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.747441][ T416] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.747704][ T416] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.747919][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.748122][ T416] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.748328][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.748545][ T416] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.748708][ T416] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.748921][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.749136][ T416] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.749289][ T416] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.749497][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.749700][ T416] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.749923][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.750134][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.750341][ T416] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.750546][ T416] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.750761][ T416] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.750983][ T416] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.751197][ T416] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.751396][ T416] ? 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) 
[ 42.751604][ T416] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.751818][ T416] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.752049][ T416] ? 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) 
[ 42.752256][ T416] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.752474][ T416] __x64_sys_sendto (net/socket.c:2181) 
[ 42.752677][ T416] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.752940][ T416] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.753147][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.753401][  T416] RIP: 0033:0x7f689ab31a4a
[ 42.753612][ T416] 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
[   42.754320][  T416] RSP: 002b:00007ffdd189a608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.754622][  T416] RAX: ffffffffffffffda RBX: 00000000082e8b00 RCX: 00007f689ab31a4a
[   42.754939][  T416] RDX: 0000000000000034 RSI: 00000000082e8b00 RDI: 0000000000000005
[   42.755242][  T416] RBP: 00000000082e8910 R08: 00007f689acd5200 R09: 000000000000000c
[   42.755540][  T416] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.755840][  T416] R13: 00000000082e8910 R14: 0000000000000000 R15: 0000000000000001
| [   42.775383][  T416] ------------[ cut here ]------------
| [ 42.775652][ T416] WARNING: CPU: 2 PID: 416 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:10596) 
| [   42.776078][  T416] Modules linked in: netdevsim
| [   42.776669][  T416] Tainted: [W]=WARN
[   42.776833][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.777106][ T416] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.777372][ T416] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.778081][  T416] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.778344][  T416] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.778650][  T416] RDX: 0000000000000000 RSI: ffff88800d752c98 RDI: ffff88800bb92dc0
[   42.778965][  T416] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.779272][  T416] R10: ffffffffb99ec227 R11: ffff88800bb92300 R12: 0000000000000000
[   42.779576][  T416] R13: ffff88800d752128 R14: ffff88800d752008 R15: ffff88800d752000
[   42.779879][  T416] FS:  00007f689a925800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.780241][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.780507][  T416] CR2: 00007f25a6618a00 CR3: 00000000091e4006 CR4: 0000000000772ef0
[   42.780813][  T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.781130][  T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.781445][  T416] PKRU: 55555554
[   42.781613][  T416] Call Trace:
[   42.781775][  T416]  <TASK>
[ 42.781918][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.782131][ T416] ? __warn (kernel/panic.c:748) 
[ 42.782301][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.782514][ T416] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.782733][ T416] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.782921][ T416] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.783134][ T416] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.783360][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.783585][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.783804][ T416] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.784081][ T416] ? _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) 
[ 42.784308][ T416] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.784524][ T416] register_netdevice (net/core/dev.c:11033) 
[ 42.784744][ T416] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.784983][ T416] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.785220][ T416] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.785493][ T416] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.785770][ T416] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.786075][ T416] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.786353][ T416] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.786616][ T416] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.786878][ T416] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.787159][ T416] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.787455][ T416] devlink_reload (net/devlink/dev.c:474) 
[ 42.787673][ T416] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.787890][ T416] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.788193][ T416] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.788414][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.788684][ T416] ? __nla_parse (lib/nlattr.c:732) 
[ 42.788921][ T416] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.789147][ T416] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.789419][ T416] ? cap_capable (security/commoncap.c:131) 
[ 42.789632][ T416] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.789859][ T416] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.790092][ T416] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.790310][ T416] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.790564][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.790817][ T416] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.791106][ T416] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.791321][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.791530][ T416] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.791741][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.791993][ T416] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.792157][ T416] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.792369][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.792588][ T416] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.792761][ T416] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.792994][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.793205][ T416] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.793435][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.793648][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.793856][ T416] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.794084][ T416] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.794304][ T416] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.794513][ T416] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.794736][ T416] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.794953][ T416] ? 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) 
[ 42.795174][ T416] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.795388][ T416] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.795601][ T416] ? 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) 
[ 42.795816][ T416] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.796040][ T416] __x64_sys_sendto (net/socket.c:2181) 
[ 42.796251][ T416] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.796505][ T416] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.796722][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.796988][  T416] RIP: 0033:0x7f689ab31a4a
[ 42.797202][ T416] 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
[   42.797877][  T416] RSP: 002b:00007ffdd189a608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.798196][  T416] RAX: ffffffffffffffda RBX: 00000000082e8b00 RCX: 00007f689ab31a4a
[   42.798498][  T416] RDX: 0000000000000034 RSI: 00000000082e8b00 RDI: 0000000000000005
[   42.798798][  T416] RBP: 00000000082e8910 R08: 00007f689acd5200 R09: 000000000000000c
[   42.799112][  T416] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.799418][  T416] R13: 00000000082e8910 R14: 0000000000000000 R15: 0000000000000001
| [   42.833531][  T416] ------------[ cut here ]------------
| [ 42.833866][ T416] WARNING: CPU: 2 PID: 416 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:10596) 
| [   42.834298][  T416] Modules linked in: netdevsim
| [   42.834865][  T416] Tainted: [W]=WARN
[   42.835038][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.835291][ T416] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.835552][ T416] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   42.836236][  T416] RSP: 0018:ffffc90000b571e8 EFLAGS: 00010246
[   42.836494][  T416] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   42.836793][  T416] RDX: 0000000000000000 RSI: ffff88800d70ac98 RDI: ffff88800bb92dc0
[   42.837102][  T416] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   42.837404][  T416] R10: ffffffffb99ec227 R11: ffff88800bb92300 R12: 0000000000000000
[   42.837704][  T416] R13: ffff88800d70a128 R14: ffff88800d70a008 R15: ffff88800d70a000
[   42.838011][  T416] FS:  00007f689a925800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   42.838355][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.838607][  T416] CR2: 00007f25a6618a00 CR3: 00000000091e4006 CR4: 0000000000772ef0
[   42.838917][  T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.839219][  T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.839515][  T416] PKRU: 55555554
[   42.839676][  T416] Call Trace:
[   42.839834][  T416]  <TASK>
[ 42.839961][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.840167][ T416] ? __warn (kernel/panic.c:748) 
[ 42.840329][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.840538][ T416] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 42.840749][ T416] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 42.840925][ T416] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 42.841133][ T416] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 42.841353][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 42.841562][ T416] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 42.841775][ T416] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 42.842050][ T416] ? _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) 
[ 42.842268][ T416] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 42.842480][ T416] register_netdevice (net/core/dev.c:11033) 
[ 42.842695][ T416] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 42.842923][ T416] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 42.843148][ T416] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 42.843411][ T416] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 42.843680][ T416] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 42.843958][ T416] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 42.844223][ T416] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 42.844481][ T416] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 42.844733][ T416] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 42.844998][ T416] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 42.845269][ T416] devlink_reload (net/devlink/dev.c:474) 
[ 42.845480][ T416] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 42.845691][ T416] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 42.845958][ T416] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 42.846170][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.846427][ T416] ? __nla_parse (lib/nlattr.c:732) 
[ 42.846646][ T416] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 42.846858][ T416] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 42.847137][ T416] ? cap_capable (security/commoncap.c:131) 
[ 42.847343][ T416] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 42.847560][ T416] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 42.847770][ T416] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 42.847989][ T416] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 42.848240][ T416] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 42.848491][ T416] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 42.848754][ T416] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 42.848975][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 42.849180][ T416] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 42.849390][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 42.849615][ T416] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 42.849775][ T416] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 42.849995][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 42.850209][ T416] genl_rcv (net/netlink/genetlink.c:1220) 
[ 42.850372][ T416] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 42.850583][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 42.850796][ T416] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 42.851022][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 42.851241][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 42.851446][ T416] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 42.851661][ T416] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 42.851887][ T416] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 42.852112][ T416] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 42.852332][ T416] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 42.852536][ T416] ? 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) 
[ 42.852746][ T416] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 42.852966][ T416] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 42.853187][ T416] ? 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) 
[ 42.853399][ T416] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 42.853611][ T416] __x64_sys_sendto (net/socket.c:2181) 
[ 42.853817][ T416] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 42.854081][ T416] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.854289][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.854541][  T416] RIP: 0033:0x7f689ab31a4a
[ 42.854799][ T416] 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
[   42.855483][  T416] RSP: 002b:00007ffdd189a608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.855788][  T416] RAX: ffffffffffffffda RBX: 00000000082e8b00 RCX: 00007f689ab31a4a
[   42.856103][  T416] RDX: 0000000000000034 RSI: 00000000082e8b00 RDI: 0000000000000005
[   42.856403][  T416] RBP: 00000000082e8910 R08: 00007f689acd5200 R09: 000000000000000c
[   42.856705][  T416] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   42.857013][  T416] R13: 00000000082e8910 R14: 0000000000000000 R15: 0000000000000001
| [   43.194051][  T429] ------------[ cut here ]------------
| [ 43.194354][ T429] WARNING: CPU: 3 PID: 429 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:10596) 
| [   43.194737][  T429] Modules linked in: netdevsim
| [   43.195292][  T429] Tainted: [W]=WARN
[   43.195435][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.195670][ T429] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.195922][ T429] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.196573][  T429] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   43.196809][  T429] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.197122][  T429] RDX: 0000000000000000 RSI: ffff88800a4b2c98 RDI: ffff88800bb90b00
[   43.197402][  T429] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   43.197679][  T429] R10: ffffffffb99ec227 R11: ffff88800bb90040 R12: 0000000000000000
[   43.197973][  T429] R13: ffff88800a4b2128 R14: ffff88800a4b2008 R15: ffff88800a4b2000
[   43.198256][  T429] FS:  00007ffa19867800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   43.198577][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.198810][  T429] CR2: 00007fad080261b4 CR3: 000000000d736005 CR4: 0000000000772ef0
[   43.199104][  T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.199380][  T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.199658][  T429] PKRU: 55555554
[   43.199802][  T429] Call Trace:
[   43.199955][  T429]  <TASK>
[ 43.200052][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.200241][ T429] ? __warn (kernel/panic.c:748) 
[ 43.200385][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.200576][ T429] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.200771][ T429] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.200926][ T429] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.201116][ T429] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.201319][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.201511][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.201705][ T429] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.201966][ T429] ? _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) 
[ 43.202163][ T429] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.202357][ T429] register_netdevice (net/core/dev.c:11033) 
[ 43.202553][ T429] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.202753][ T429] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.202972][ T429] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.203218][ T429] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.203472][ T429] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.203717][ T429] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.203971][ T429] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.204212][ T429] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.204444][ T429] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 43.204677][ T429] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.204870][ T429] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.205128][ T429] devlink_reload (net/devlink/dev.c:474) 
[ 43.205324][ T429] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.205515][ T429] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.205758][ T429] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.205960][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.206200][ T429] ? __nla_parse (lib/nlattr.c:732) 
[ 43.206397][ T429] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.206588][ T429] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.206836][ T429] ? cap_capable (security/commoncap.c:131) 
[ 43.207040][ T429] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.207236][ T429] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.207428][ T429] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.207621][ T429] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.207853][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.208093][ T429] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.208338][ T429] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.208528][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.208713][ T429] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.208913][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.209126][ T429] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.209270][ T429] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.209460][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.209656][ T429] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.209799][ T429] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.210002][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.210192][ T429] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.210387][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.210585][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.210770][ T429] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.210973][ T429] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.211172][ T429] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.211363][ T429] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.211562][ T429] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.211747][ T429] ? 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) 
[ 43.211960][ T429] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.212153][ T429] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.212345][ T429] ? 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) 
[ 43.212540][ T429] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.212733][ T429] __x64_sys_sendto (net/socket.c:2181) 
[ 43.212932][ T429] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.213166][ T429] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.213360][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.213591][  T429] RIP: 0033:0x7ffa19a73a4a
[ 43.213783][ T429] 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
[   43.214448][  T429] RSP: 002b:00007fffdce587e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.214738][  T429] RAX: ffffffffffffffda RBX: 000000001b468b00 RCX: 00007ffa19a73a4a
[   43.215026][  T429] RDX: 0000000000000034 RSI: 000000001b468b00 RDI: 0000000000000005
[   43.215303][  T429] RBP: 000000001b468910 R08: 00007ffa19c17200 R09: 000000000000000c
[   43.215579][  T429] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.215859][  T429] R13: 000000001b468910 R14: 0000000000000000 R15: 0000000000000001
| [   43.232993][  T429] ------------[ cut here ]------------
| [ 43.233209][ T429] WARNING: CPU: 0 PID: 429 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:10596) 
| [   43.233589][  T429] Modules linked in: netdevsim
| [   43.234187][  T429] Tainted: [W]=WARN
[   43.234331][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.234562][ T429] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.234799][ T429] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.235461][  T429] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   43.235696][  T429] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.235984][  T429] RDX: 0000000000000000 RSI: ffff888009e7ac98 RDI: ffff88800bb90b00
[   43.236262][  T429] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   43.236542][  T429] R10: ffffffffb99ec227 R11: ffff88800bb90040 R12: 0000000000000000
[   43.236819][  T429] R13: ffff888009e7a128 R14: ffff888009e7a008 R15: ffff888009e7a000
[   43.237106][  T429] FS:  00007ffa19867800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.237426][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.237664][  T429] CR2: 00007f70829431b4 CR3: 000000000d736001 CR4: 0000000000772ef0
[   43.237953][  T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.238233][  T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.238508][  T429] PKRU: 55555554
[   43.238649][  T429] Call Trace:
[   43.238791][  T429]  <TASK>
[ 43.238892][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.239089][ T429] ? __warn (kernel/panic.c:748) 
[ 43.239234][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.239423][ T429] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.239617][ T429] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.239760][ T429] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.239956][ T429] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.240156][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.240351][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.240543][ T429] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.240781][ T429] ? _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) 
[ 43.240985][ T429] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.241183][ T429] register_netdevice (net/core/dev.c:11033) 
[ 43.241378][ T429] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.241581][ T429] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.241784][ T429] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.242047][ T429] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.242299][ T429] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.242546][ T429] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.242788][ T429] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.243042][ T429] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.243275][ T429] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 43.243509][ T429] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.243696][ T429] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.243951][ T429] devlink_reload (net/devlink/dev.c:474) 
[ 43.244143][ T429] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.244337][ T429] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.244582][ T429] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.244773][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.245020][ T429] ? __nla_parse (lib/nlattr.c:732) 
[ 43.245218][ T429] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.245410][ T429] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.245663][ T429] ? cap_capable (security/commoncap.c:131) 
[ 43.245850][ T429] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.246056][ T429] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.246245][ T429] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.246435][ T429] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.246665][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.246893][ T429] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.247149][ T429] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.247340][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.247525][ T429] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.247715][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.247925][ T429] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.248072][ T429] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.248261][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.248458][ T429] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.248601][ T429] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.248795][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.248997][ T429] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.249192][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.249387][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.249573][ T429] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.249762][ T429] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.249975][ T429] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.250169][ T429] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.250367][ T429] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.250554][ T429] ? 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) 
[ 43.250744][ T429] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.250947][ T429] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.251142][ T429] ? 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) 
[ 43.251337][ T429] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.251530][ T429] __x64_sys_sendto (net/socket.c:2181) 
[ 43.251718][ T429] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.251979][ T429] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.252169][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.252397][  T429] RIP: 0033:0x7ffa19a73a4a
[ 43.252588][ T429] 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
[   43.253244][  T429] RSP: 002b:00007fffdce587e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.253526][  T429] RAX: ffffffffffffffda RBX: 000000001b468b00 RCX: 00007ffa19a73a4a
[   43.253800][  T429] RDX: 0000000000000034 RSI: 000000001b468b00 RDI: 0000000000000005
[   43.254091][  T429] RBP: 000000001b468910 R08: 00007ffa19c17200 R09: 000000000000000c
[   43.254370][  T429] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.254646][  T429] R13: 000000001b468910 R14: 0000000000000000 R15: 0000000000000001
| [   43.264886][  T429] ------------[ cut here ]------------
| [ 43.265832][ T429] WARNING: CPU: 0 PID: 429 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:10596) 
| [   43.266310][  T429] Modules linked in: netdevsim
| [   43.266864][  T429] Tainted: [W]=WARN
[   43.267094][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.267329][ T429] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.267567][ T429] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.268326][  T429] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   43.268569][  T429] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.268857][  T429] RDX: 0000000000000000 RSI: ffff8880052cac98 RDI: ffff88800bb90b00
[   43.269234][  T429] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   43.269518][  T429] R10: ffffffffb99ec227 R11: ffff88800bb90040 R12: 0000000000000000
[   43.269799][  T429] R13: ffff8880052ca128 R14: ffff8880052ca008 R15: ffff8880052ca000
[   43.270179][  T429] FS:  00007ffa19867800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.270504][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.270746][  T429] CR2: 00007f70829431b4 CR3: 000000000d736001 CR4: 0000000000772ef0
[   43.271122][  T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.271416][  T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.271699][  T429] PKRU: 55555554
[   43.271841][  T429] Call Trace:
[   43.272088][  T429]  <TASK>
[ 43.272192][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.272383][ T429] ? __warn (kernel/panic.c:748) 
[ 43.272527][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.272717][ T429] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.273004][ T429] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.273153][ T429] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.273343][ T429] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.273549][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.273743][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.274019][ T429] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.274258][ T429] ? _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) 
[ 43.274452][ T429] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.274646][ T429] register_netdevice (net/core/dev.c:11033) 
[ 43.274840][ T429] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.275128][ T429] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.275333][ T429] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.275576][ T429] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.275831][ T429] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.276166][ T429] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.276413][ T429] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.276658][ T429] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.276892][ T429] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 43.277213][ T429] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.277409][ T429] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.277658][ T429] devlink_reload (net/devlink/dev.c:474) 
[ 43.277853][ T429] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.278133][ T429] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.278383][ T429] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.278577][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.278816][ T429] ? __nla_parse (lib/nlattr.c:732) 
[ 43.279099][ T429] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.279298][ T429] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.279549][ T429] ? cap_capable (security/commoncap.c:131) 
[ 43.279738][ T429] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.280017][ T429] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.280215][ T429] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.280414][ T429] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.280651][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.280885][ T429] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.281223][ T429] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.281418][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.281604][ T429] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.281802][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.282112][ T429] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.282259][ T429] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.282449][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.282648][ T429] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.282793][ T429] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.283071][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.283263][ T429] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.283461][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.283655][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.283840][ T429] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.284116][ T429] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.284315][ T429] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.284508][ T429] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.284706][ T429] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.284892][ T429] ? 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) 
[ 43.285180][ T429] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.285376][ T429] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.285568][ T429] ? 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) 
[ 43.285764][ T429] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.286045][ T429] __x64_sys_sendto (net/socket.c:2181) 
[ 43.286234][ T429] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.286473][ T429] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.286666][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.286899][  T429] RIP: 0033:0x7ffa19a73a4a
[ 43.287179][ T429] 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
[   43.287833][  T429] RSP: 002b:00007fffdce587e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.288208][  T429] RAX: ffffffffffffffda RBX: 000000001b468b00 RCX: 00007ffa19a73a4a
[   43.288487][  T429] RDX: 0000000000000034 RSI: 000000001b468b00 RDI: 0000000000000005
[   43.288767][  T429] RBP: 000000001b468910 R08: 00007ffa19c17200 R09: 000000000000000c
[   43.289135][  T429] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.289413][  T429] R13: 000000001b468910 R14: 0000000000000000 R15: 0000000000000001
| [   43.302288][  T429] ------------[ cut here ]------------
| [ 43.302498][ T429] WARNING: CPU: 0 PID: 429 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:10596) 
| [   43.302875][  T429] Modules linked in: netdevsim
| [   43.303415][  T429] Tainted: [W]=WARN
[   43.303558][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.303794][ T429] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.304042][ T429] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.304691][  T429] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   43.304946][  T429] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.305225][  T429] RDX: 0000000000000000 RSI: ffff888005012c98 RDI: ffff88800bb90b00
[   43.305505][  T429] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   43.305785][  T429] R10: ffffffffb99ec227 R11: ffff88800bb90040 R12: 0000000000000000
[   43.306070][  T429] R13: ffff888005012128 R14: ffff888005012008 R15: ffff888005012000
[   43.306353][  T429] FS:  00007ffa19867800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.306680][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.306930][  T429] CR2: 00007f70829431b4 CR3: 000000000d736001 CR4: 0000000000772ef0
[   43.307225][  T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.307505][  T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.307791][  T429] PKRU: 55555554
[   43.307941][  T429] Call Trace:
[   43.308084][  T429]  <TASK>
[ 43.308185][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.308373][ T429] ? __warn (kernel/panic.c:748) 
[ 43.308518][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.308706][ T429] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.308912][ T429] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.309059][ T429] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.309248][ T429] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.309448][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.309642][ T429] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.309836][ T429] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.310086][ T429] ? _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) 
[ 43.310282][ T429] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.310478][ T429] register_netdevice (net/core/dev.c:11033) 
[ 43.310669][ T429] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.310866][ T429] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.311081][ T429] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.311326][ T429] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.311576][ T429] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.311828][ T429] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.312088][ T429] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.312324][ T429] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.312556][ T429] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 43.312788][ T429] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 43.312984][ T429] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 43.313237][ T429] devlink_reload (net/devlink/dev.c:474) 
[ 43.313429][ T429] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.313618][ T429] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 43.313861][ T429] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.314061][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.314295][ T429] ? __nla_parse (lib/nlattr.c:732) 
[ 43.314495][ T429] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.314688][ T429] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.314942][ T429] ? cap_capable (security/commoncap.c:131) 
[ 43.315130][ T429] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.315328][ T429] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.315520][ T429] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.315710][ T429] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.315952][ T429] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.316185][ T429] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.316429][ T429] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.316619][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.316809][ T429] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.317008][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.317209][ T429] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.317356][ T429] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.317552][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.317747][ T429] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.317890][ T429] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.318092][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.318283][ T429] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.318481][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.318678][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.318869][ T429] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.319067][ T429] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.319265][ T429] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.319458][ T429] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.319658][ T429] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 43.319845][ T429] ? 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) 
[ 43.320050][ T429] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.320250][ T429] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 43.320444][ T429] ? 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) 
[ 43.320634][ T429] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 43.320824][ T429] __x64_sys_sendto (net/socket.c:2181) 
[ 43.321023][ T429] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.321259][ T429] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.321449][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.321684][  T429] RIP: 0033:0x7ffa19a73a4a
[ 43.321882][ T429] 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
[   43.322541][  T429] RSP: 002b:00007fffdce587e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.322821][  T429] RAX: ffffffffffffffda RBX: 000000001b468b00 RCX: 00007ffa19a73a4a
[   43.323114][  T429] RDX: 0000000000000034 RSI: 000000001b468b00 RDI: 0000000000000005
[   43.323389][  T429] RBP: 000000001b468910 R08: 00007ffa19c17200 R09: 000000000000000c
[   43.323667][  T429] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.323950][  T429] R13: 000000001b468910 R14: 0000000000000000 R15: 0000000000000001
| [   43.870247][  T451] ------------[ cut here ]------------
| [ 43.870480][ T451] WARNING: CPU: 0 PID: 451 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:10596) 
| [   43.870880][  T451] Modules linked in: netdevsim
| [   43.871597][  T451] Tainted: [W]=WARN
[   43.871746][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.872032][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.872282][ T451] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.872965][  T451] RSP: 0018:ffffc90000b871e8 EFLAGS: 00010246
[   43.873210][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.873503][  T451] RDX: 0000000000000000 RSI: ffff88800d752c98 RDI: ffff88800a640b00
[   43.873792][  T451] RBP: ffff88800d678040 R08: 0000000000000000 R09: fffffbfff733d844
[   43.874102][  T451] R10: ffffffffb99ec227 R11: ffff88800a640040 R12: 0000000000000000
[   43.874395][  T451] R13: ffff88800d752128 R14: ffff88800d752008 R15: ffff88800d752000
[   43.874688][  T451] FS:  00007ff80346e800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.875037][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.875279][  T451] CR2: 000055702f793ae8 CR3: 000000000a4f0001 CR4: 0000000000772ef0
[   43.875565][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.875848][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.876140][  T451] PKRU: 55555554
[   43.876288][  T451] Call Trace:
[   43.876431][  T451]  <TASK>
[ 43.876532][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.876728][ T451] ? __warn (kernel/panic.c:748) 
[ 43.876877][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.877087][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.877290][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.877445][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.877634][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.877840][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.878048][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.878245][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.878496][ T451] ? _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) 
[ 43.878698][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.878895][ T451] register_netdevice (net/core/dev.c:11033) 
[ 43.879112][ T451] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.879320][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.879528][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.879785][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.880143][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.880399][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.880655][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.880989][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.881226][ T451] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 43.881473][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 43.881675][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.881872][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.882155][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.882346][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.882508][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.882714][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.883069][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 43.883284][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.883491][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.883746][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.884038][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.884236][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.884428][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.884624][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.884858][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.885147][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.885395][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.885587][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.885774][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.885977][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.886184][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.886332][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.886523][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.886719][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.886861][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.887063][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.887255][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.887454][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.887651][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.887837][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.888040][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.888239][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.888434][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.888621][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.888807][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.889021][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.889215][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.889455][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.889697][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.889895][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 43.890106][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.890343][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.890532][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.890765][  T451] RIP: 0033:0x7ff80367aa4a
[ 43.890971][ T451] 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
[   43.891884][  T451] RSP: 002b:00007ffe2ef4b7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.892186][  T451] RAX: ffffffffffffffda RBX: 000000002cc24b00 RCX: 00007ff80367aa4a
[   43.892470][  T451] RDX: 000000000000003c RSI: 000000002cc24b00 RDI: 0000000000000005
[   43.892875][  T451] RBP: 000000002cc24910 R08: 00007ff80381e200 R09: 000000000000000c
[   43.893165][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.893448][  T451] R13: 000000002cc24910 R14: 0000000000000000 R15: 0000000000000001
| [   43.922649][  T451] ------------[ cut here ]------------
| [ 43.922917][ T451] WARNING: CPU: 0 PID: 451 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:10596) 
| [   43.923292][  T451] Modules linked in: netdevsim
| [   43.923815][  T451] Tainted: [W]=WARN
[   43.924009][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.924244][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.924488][ T451] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.925145][  T451] RSP: 0018:ffffc90000b871e8 EFLAGS: 00010246
[   43.925383][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.925659][  T451] RDX: 0000000000000000 RSI: ffff888008e22c98 RDI: ffff88800a640b00
[   43.925949][  T451] RBP: ffff88800d678040 R08: 0000000000000000 R09: fffffbfff733d844
[   43.926228][  T451] R10: ffffffffb99ec227 R11: ffff88800a640040 R12: 0000000000000000
[   43.926504][  T451] R13: ffff888008e22128 R14: ffff888008e22008 R15: ffff888008e22000
[   43.926783][  T451] FS:  00007ff80346e800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.927134][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.927371][  T451] CR2: 000055702f793ae8 CR3: 000000000a4f0001 CR4: 0000000000772ef0
[   43.927650][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.927942][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.928224][  T451] PKRU: 55555554
[   43.928364][  T451] Call Trace:
[   43.928510][  T451]  <TASK>
[ 43.928606][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.928795][ T451] ? __warn (kernel/panic.c:748) 
[ 43.928949][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.929140][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.929334][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.929478][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.929668][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.929868][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.930066][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.930257][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.930493][ T451] ? _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) 
[ 43.930685][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.930881][ T451] register_netdevice (net/core/dev.c:11033) 
[ 43.931097][ T451] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.931296][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.931499][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.931741][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.932006][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.932258][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.932499][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.932735][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.932977][ T451] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 43.933221][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 43.933413][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.933603][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.933793][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.933988][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.934140][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.934330][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.934564][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 43.934762][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.934980][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.935230][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.935415][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.935609][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.935800][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.935997][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.936225][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.936463][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.936705][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.936895][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.937091][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.937282][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.937483][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.937627][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.937827][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.938029][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.938171][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.938364][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.938555][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.938751][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.938966][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.939160][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.939350][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.939546][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.939736][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.939931][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.940117][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.940314][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.940514][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.940754][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.940999][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.941192][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 43.941381][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.941612][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.941801][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.942055][  T451] RIP: 0033:0x7ff80367aa4a
[ 43.942250][ T451] 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
[   43.942894][  T451] RSP: 002b:00007ffe2ef4b7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.943207][  T451] RAX: ffffffffffffffda RBX: 000000002cc24b00 RCX: 00007ff80367aa4a
[   43.943488][  T451] RDX: 000000000000003c RSI: 000000002cc24b00 RDI: 0000000000000005
[   43.943764][  T451] RBP: 000000002cc24910 R08: 00007ff80381e200 R09: 000000000000000c
[   43.944050][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.944327][  T451] R13: 000000002cc24910 R14: 0000000000000000 R15: 0000000000000001
| [   43.954800][  T451] ------------[ cut here ]------------
| [ 43.955023][ T451] WARNING: CPU: 0 PID: 451 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:10596) 
| [   43.955399][  T451] Modules linked in: netdevsim
| [   43.955930][  T451] Tainted: [W]=WARN
[   43.956074][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.956305][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.956550][ T451] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.957211][  T451] RSP: 0018:ffffc90000b871e8 EFLAGS: 00010246
[   43.957449][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.957724][  T451] RDX: 0000000000000000 RSI: ffff88800bf9ac98 RDI: ffff88800a640b00
[   43.958012][  T451] RBP: ffff88800d678040 R08: 0000000000000000 R09: fffffbfff733d844
[   43.958286][  T451] R10: ffffffffb99ec227 R11: ffff88800a640040 R12: 0000000000000000
[   43.958560][  T451] R13: ffff88800bf9a128 R14: ffff88800bf9a008 R15: ffff88800bf9a000
[   43.958837][  T451] FS:  00007ff80346e800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   43.959169][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.959404][  T451] CR2: 000055702f793ae8 CR3: 000000000a4f0001 CR4: 0000000000772ef0
[   43.959681][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.959967][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.960245][  T451] PKRU: 55555554
[   43.960386][  T451] Call Trace:
[   43.960527][  T451]  <TASK>
[ 43.960624][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.960813][ T451] ? __warn (kernel/panic.c:748) 
[ 43.960970][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.961159][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.961357][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.961500][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.961689][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.961895][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.962105][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.962299][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.962537][ T451] ? _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) 
[ 43.962732][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.962934][ T451] register_netdevice (net/core/dev.c:11033) 
[ 43.963131][ T451] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.963330][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.963533][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.963777][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 43.964035][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 43.964289][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 43.964537][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 43.964787][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 43.965073][ T451] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 43.965326][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 43.965522][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 43.965719][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.965937][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.966129][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 43.966290][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 43.966486][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.966728][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 43.966944][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 43.967154][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 43.967419][ T451] ? cap_capable (security/commoncap.c:131) 
[ 43.967622][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 43.967826][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 43.968118][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 43.968312][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 43.968555][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 43.968800][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 43.969149][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 43.969354][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 43.969550][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 43.969746][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 43.970049][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 43.970205][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 43.970402][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 43.970604][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 43.970747][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 43.971034][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 43.971227][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 43.971435][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 43.971640][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 43.971933][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 43.972129][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 43.972330][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 43.972526][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 43.972714][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 43.972992][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 43.973200][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 43.973411][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 43.973651][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 43.973989][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 43.974191][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 43.974379][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 43.974610][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.974805][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.975124][  T451] RIP: 0033:0x7ff80367aa4a
[ 43.975317][ T451] 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
[   43.976047][  T451] RSP: 002b:00007ffe2ef4b7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.976361][  T451] RAX: ffffffffffffffda RBX: 000000002cc24b00 RCX: 00007ff80367aa4a
[   43.976664][  T451] RDX: 000000000000003c RSI: 000000002cc24b00 RDI: 0000000000000005
[   43.977053][  T451] RBP: 000000002cc24910 R08: 00007ff80381e200 R09: 000000000000000c
[   43.977357][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   43.977658][  T451] R13: 000000002cc24910 R14: 0000000000000000 R15: 0000000000000001
| [   43.989824][  T451] ------------[ cut here ]------------
| [ 43.990105][ T451] WARNING: CPU: 2 PID: 451 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:10596) 
| [   43.990512][  T451] Modules linked in: netdevsim
| [   43.991086][  T451] Tainted: [W]=WARN
[   43.991247][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.991498][ T451] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.991760][ T451] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   43.992451][  T451] RSP: 0018:ffffc90000b871e8 EFLAGS: 00010246
[   43.992707][  T451] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   43.993106][  T451] RDX: 0000000000000000 RSI: ffff888005d02c98 RDI: ffff88800a640b00
[   43.993426][  T451] RBP: ffff88800d678040 R08: 0000000000000000 R09: fffffbfff733d844
[   43.993723][  T451] R10: ffffffffb99ec227 R11: ffff88800a640040 R12: 0000000000000000
[   43.994035][  T451] R13: ffff888005d02128 R14: ffff888005d02008 R15: ffff888005d02000
[   43.994342][  T451] FS:  00007ff80346e800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   43.994692][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.994956][  T451] CR2: 00007f25a64457d0 CR3: 000000000a4f0006 CR4: 0000000000772ef0
[   43.995261][  T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.995566][  T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.995867][  T451] PKRU: 55555554
[   43.996039][  T451] Call Trace:
[   43.996199][  T451]  <TASK>
[ 43.996313][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.996524][ T451] ? __warn (kernel/panic.c:748) 
[ 43.996687][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.996898][ T451] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 43.997125][ T451] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 43.997295][ T451] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 43.997501][ T451] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 43.997721][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 43.997944][ T451] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 43.998156][ T451] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 43.998419][ T451] ? _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) 
[ 43.998631][ T451] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 43.998847][ T451] register_netdevice (net/core/dev.c:11033) 
[ 43.999069][ T451] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 43.999290][ T451] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 43.999512][ T451] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 43.999778][ T451] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.000060][ T451] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.000336][ T451] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.000602][ T451] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.000862][ T451] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.001123][ T451] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.001389][ T451] devlink_reload (net/devlink/dev.c:474) 
[ 44.001603][ T451] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.001809][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.002037][ T451] ? cap_capable (security/commoncap.c:131) 
[ 44.002248][ T451] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.002417][ T451] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.002630][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.002884][ T451] ? __nla_parse (lib/nlattr.c:732) 
[ 44.003118][ T451] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.003330][ T451] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.003597][ T451] ? cap_capable (security/commoncap.c:131) 
[ 44.003800][ T451] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.004027][ T451] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.004237][ T451] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.004446][ T451] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.004703][ T451] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.004974][ T451] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.005241][ T451] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.005452][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.005658][ T451] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.005869][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.006098][ T451] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.006265][ T451] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.006475][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.006690][ T451] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.006853][ T451] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.007077][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.007287][ T451] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.007499][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.007722][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.007963][ T451] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.008192][ T451] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.008428][ T451] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.008657][ T451] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.008888][ T451] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.009111][ T451] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.009330][ T451] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.009547][ T451] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.009804][ T451] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.010079][ T451] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.010295][ T451] __x64_sys_sendto (net/socket.c:2181) 
[ 44.010502][ T451] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.010756][ T451] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.010979][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.011238][  T451] RIP: 0033:0x7ff80367aa4a
[ 44.011449][ T451] 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
[   44.012146][  T451] RSP: 002b:00007ffe2ef4b7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.012456][  T451] RAX: ffffffffffffffda RBX: 000000002cc24b00 RCX: 00007ff80367aa4a
[   44.012754][  T451] RDX: 000000000000003c RSI: 000000002cc24b00 RDI: 0000000000000005
[   44.013061][  T451] RBP: 000000002cc24910 R08: 00007ff80381e200 R09: 000000000000000c
[   44.013359][  T451] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.013662][  T451] R13: 000000002cc24910 R14: 0000000000000000 R15: 0000000000000001
| [   44.255052][  T457] ------------[ cut here ]------------
| [ 44.255282][ T457] WARNING: CPU: 0 PID: 457 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   44.255659][  T457] Modules linked in: netdevsim
| [   44.256202][  T457] Tainted: [W]=WARN
[   44.256346][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.256581][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.256823][ T457] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.257490][  T457] RSP: 0018:ffffc900007271e8 EFLAGS: 00010246
[   44.257725][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.258012][  T457] RDX: 0000000000000000 RSI: ffff88800d5a2c98 RDI: ffff88800a738b00
[   44.258295][  T457] RBP: ffff88800d679840 R08: 0000000000000000 R09: fffffbfff733d844
[   44.258569][  T457] R10: ffffffffb99ec227 R11: ffff88800a738040 R12: 0000000000000000
[   44.258843][  T457] R13: ffff88800d5a2128 R14: ffff88800d5a2008 R15: ffff88800d5a2000
[   44.259132][  T457] FS:  00007f4a798ba800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.259458][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.259690][  T457] CR2: 000055702f78e8b0 CR3: 000000000e97e004 CR4: 0000000000772ef0
[   44.259976][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.260253][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.260527][  T457] PKRU: 55555554
[   44.260675][  T457] Call Trace:
[   44.260816][  T457]  <TASK>
[ 44.260925][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.261121][ T457] ? __warn (kernel/panic.c:748) 
[ 44.261266][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.261457][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.261651][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.261796][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.262015][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.262216][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.262405][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 44.262598][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.262838][ T457] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.263043][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.263235][ T457] register_netdevice (net/core/dev.c:11033) 
[ 44.263431][ T457] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.263632][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.263834][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.264090][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.264341][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.264585][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.264829][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.265082][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.265314][ T457] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.265557][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 44.265750][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.265948][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.266147][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.266333][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.266483][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.266672][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.266920][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 44.267118][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.267309][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.267558][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.267742][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.267949][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.268140][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.268327][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.268559][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.268792][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.269046][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.269238][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.269424][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.269616][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.269818][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.269977][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.270168][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.270367][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.270509][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.270703][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.270892][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.271101][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.271296][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.271481][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.271675][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.271877][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.272085][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.272271][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.272457][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.272655][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.272849][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.273102][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.273340][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.273535][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 44.273723][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.273970][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.274164][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.274394][  T457] RIP: 0033:0x7f4a79ac6a4a
[ 44.274591][ T457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.275245][  T457] RSP: 002b:00007ffdc005e198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.275525][  T457] RAX: ffffffffffffffda RBX: 0000000003b81b00 RCX: 00007f4a79ac6a4a
[   44.275809][  T457] RDX: 000000000000003c RSI: 0000000003b81b00 RDI: 0000000000000005
[   44.276095][  T457] RBP: 0000000003b81910 R08: 00007f4a79c6a200 R09: 000000000000000c
[   44.276373][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.276648][  T457] R13: 0000000003b81910 R14: 0000000000000000 R15: 0000000000000003
| [   44.286814][  T457] ------------[ cut here ]------------
| [ 44.287040][ T457] WARNING: CPU: 0 PID: 457 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   44.287408][  T457] Modules linked in: netdevsim
| [   44.288584][  T457] Tainted: [W]=WARN
[   44.288735][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.288977][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.289222][ T457] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.289867][  T457] RSP: 0018:ffffc900007271e8 EFLAGS: 00010246
[   44.290117][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.290395][  T457] RDX: 0000000000000000 RSI: ffff88800e7bac98 RDI: ffff88800a738b00
[   44.290673][  T457] RBP: ffff88800d679840 R08: 0000000000000000 R09: fffffbfff733d844
[   44.290960][  T457] R10: ffffffffb99ec227 R11: ffff88800a738040 R12: 0000000000000000
[   44.291236][  T457] R13: ffff88800e7ba128 R14: ffff88800e7ba008 R15: ffff88800e7ba000
[   44.291511][  T457] FS:  00007f4a798ba800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.291836][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.292096][  T457] CR2: 000055702f78e8b0 CR3: 000000000e97e004 CR4: 0000000000772ef0
[   44.292374][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.292649][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.292937][  T457] PKRU: 55555554
[   44.293084][  T457] Call Trace:
[   44.293224][  T457]  <TASK>
[ 44.293321][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.293508][ T457] ? __warn (kernel/panic.c:748) 
[ 44.293653][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.293843][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.294048][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.294193][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.294381][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.294585][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.294773][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 44.294976][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.295216][ T457] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.295407][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.295598][ T457] register_netdevice (net/core/dev.c:11033) 
[ 44.295797][ T457] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.296008][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.296212][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.296454][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.296704][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.296963][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.297213][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.297452][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.297685][ T457] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.297940][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 44.298133][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.298319][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.298513][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.298701][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.298852][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.299054][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.299291][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 44.299488][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.299678][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.299938][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.300125][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.300317][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.300507][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.300695][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.300954][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.301187][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.301434][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.301623][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.301809][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.302021][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.302225][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.302367][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.302556][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.302753][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.302898][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.303103][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.303294][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.303487][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.303682][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.303866][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.304066][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.304264][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.304455][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.304639][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.304825][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.305037][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.305230][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.305467][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.305705][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.305899][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 44.306109][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.306342][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.306533][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.306763][  T457] RIP: 0033:0x7f4a79ac6a4a
[ 44.306972][ T457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.307616][  T457] RSP: 002b:00007ffdc005e198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.307897][  T457] RAX: ffffffffffffffda RBX: 0000000003b81b00 RCX: 00007f4a79ac6a4a
[   44.308190][  T457] RDX: 000000000000003c RSI: 0000000003b81b00 RDI: 0000000000000005
[   44.308468][  T457] RBP: 0000000003b81910 R08: 00007f4a79c6a200 R09: 000000000000000c
[   44.308745][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.309035][  T457] R13: 0000000003b81910 R14: 0000000000000000 R15: 0000000000000003
| [   44.332888][  T457] ------------[ cut here ]------------
| [ 44.333172][ T457] WARNING: CPU: 3 PID: 457 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   44.333549][  T457] Modules linked in: netdevsim
| [   44.334114][  T457] Tainted: [W]=WARN
[   44.334262][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.334496][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.334734][ T457] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.335399][  T457] RSP: 0018:ffffc900007271e8 EFLAGS: 00010246
[   44.335635][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.335927][  T457] RDX: 0000000000000000 RSI: ffff88800be92c98 RDI: ffff88800a738b00
[   44.336206][  T457] RBP: ffff88800d679840 R08: 0000000000000000 R09: fffffbfff733d844
[   44.336487][  T457] R10: ffffffffb99ec227 R11: ffff88800a738040 R12: 0000000000000000
[   44.336764][  T457] R13: ffff88800be92128 R14: ffff88800be92008 R15: ffff88800be92000
[   44.337056][  T457] FS:  00007f4a798ba800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.337377][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.337609][  T457] CR2: 000055702f74d298 CR3: 000000000e97e003 CR4: 0000000000772ef0
[   44.337891][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.338180][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.338457][  T457] PKRU: 55555554
[   44.338599][  T457] Call Trace:
[   44.338739][  T457]  <TASK>
[ 44.338836][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.339039][ T457] ? __warn (kernel/panic.c:748) 
[ 44.339185][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.339375][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.339568][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.339711][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.339899][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.340114][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.340303][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 44.340501][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.340739][ T457] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.340945][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.341139][ T457] register_netdevice (net/core/dev.c:11033) 
[ 44.341331][ T457] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.341529][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.341736][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.342002][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.342254][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.342499][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.342750][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.343039][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.343297][ T457] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.343572][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 44.343769][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.343965][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.344159][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.344345][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.344501][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.344691][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.344935][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 44.345136][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.345327][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.345573][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.345759][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.345972][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.346163][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.346351][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.346591][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.346820][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.347078][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.347273][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.347460][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.347651][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.347853][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.348006][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.348196][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.348391][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.348534][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.348730][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.348930][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.349125][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.349318][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.349504][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.349692][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.349886][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.350091][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.350280][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.350466][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.350665][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.350856][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.351100][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.351338][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.351537][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 44.351725][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.351978][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.352169][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.352398][  T457] RIP: 0033:0x7f4a79ac6a4a
[ 44.352592][ T457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.353249][  T457] RSP: 002b:00007ffdc005e198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.353531][  T457] RAX: ffffffffffffffda RBX: 0000000003b81b00 RCX: 00007f4a79ac6a4a
[   44.353805][  T457] RDX: 000000000000003c RSI: 0000000003b81b00 RDI: 0000000000000005
[   44.354096][  T457] RBP: 0000000003b81910 R08: 00007f4a79c6a200 R09: 000000000000000c
[   44.354374][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.354648][  T457] R13: 0000000003b81910 R14: 0000000000000000 R15: 0000000000000003
| [   44.365227][  T457] ------------[ cut here ]------------
| [ 44.365449][ T457] WARNING: CPU: 3 PID: 457 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   44.365819][  T457] Modules linked in: netdevsim
| [   44.366359][  T457] Tainted: [W]=WARN
[   44.366502][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.366734][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.366981][ T457] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.367638][  T457] RSP: 0018:ffffc900007271e8 EFLAGS: 00010246
[   44.367880][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.368168][  T457] RDX: 0000000000000000 RSI: ffff88800d722c98 RDI: ffff88800a738b00
[   44.368444][  T457] RBP: ffff88800d679840 R08: 0000000000000000 R09: fffffbfff733d844
[   44.368722][  T457] R10: ffffffffb99ec227 R11: ffff88800a738040 R12: 0000000000000000
[   44.369014][  T457] R13: ffff88800d722128 R14: ffff88800d722008 R15: ffff88800d722000
[   44.369291][  T457] FS:  00007f4a798ba800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   44.369616][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.369848][  T457] CR2: 000055702f74d298 CR3: 000000000e97e003 CR4: 0000000000772ef0
[   44.370227][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.370508][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.370783][  T457] PKRU: 55555554
[   44.371008][  T457] Call Trace:
[   44.371151][  T457]  <TASK>
[ 44.371249][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.371441][ T457] ? __warn (kernel/panic.c:748) 
[ 44.371586][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.371777][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.372063][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.372208][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.372396][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.372594][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.372785][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 44.373070][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.373310][ T457] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 44.373502][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.373703][ T457] register_netdevice (net/core/dev.c:11033) 
[ 44.374006][ T457] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.374227][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.374452][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.374716][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.375078][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.375331][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.375574][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.375815][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.376137][ T457] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.376383][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 44.376575][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.376759][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.377033][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.377220][ T457] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 44.377375][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 44.377568][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.377804][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 44.378084][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 44.378276][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 44.378523][ T457] ? cap_capable (security/commoncap.c:131) 
[ 44.378709][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 44.378993][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 44.379186][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 44.379375][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 44.379606][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 44.379835][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 44.380162][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 44.380355][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 44.380546][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 44.380736][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 44.381024][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 44.381168][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 44.381359][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 44.381555][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 44.381697][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 44.381988][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 44.382181][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 44.382376][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 44.382570][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 44.382756][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.383033][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 44.383231][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 44.383422][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 44.383611][ T457] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.383799][ T457] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.384086][ T457] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 44.384279][ T457] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 44.384515][ T457] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 44.384754][ T457] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 44.385039][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 44.385227][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.385460][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.385650][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.385883][  T457] RIP: 0033:0x7f4a79ac6a4a
[ 44.386163][ T457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.386814][  T457] RSP: 002b:00007ffdc005e198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.387179][  T457] RAX: ffffffffffffffda RBX: 0000000003b81b00 RCX: 00007f4a79ac6a4a
[   44.387455][  T457] RDX: 000000000000003c RSI: 0000000003b81b00 RDI: 0000000000000005
[   44.387731][  T457] RBP: 0000000003b81910 R08: 00007f4a79c6a200 R09: 000000000000000c
[   44.388097][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   44.388373][  T457] R13: 0000000003b81910 R14: 0000000000000000 R15: 0000000000000003
| [   44.604450][   T68] ------------[ cut here ]------------
| [ 44.604725][ T68] WARNING: CPU: 0 PID: 68 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:10596) 
| [   44.605263][   T68] Modules linked in: netdevsim
| [   44.605793][   T68] Tainted: [W]=WARN
[   44.606002][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.606221][   T68] Workqueue: netns cleanup_net
[ 44.606421][ T68] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.606645][ T68] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.607337][   T68] RSP: 0018:ffffc90000497620 EFLAGS: 00010246
[   44.607561][   T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.607824][   T68] RDX: 0000000000000000 RSI: ffff88800529ac98 RDI: ffff88800901ae10
[   44.608154][   T68] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   44.608417][   T68] R10: ffffffffb99ec227 R11: ffff88800901a300 R12: 0000000000000000
[   44.608676][   T68] R13: ffff88800529a128 R14: ffff88800529a008 R15: ffff88800529a000
[   44.608961][   T68] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.609264][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.609484][   T68] CR2: 000055702f770ff8 CR3: 0000000001fb0003 CR4: 0000000000772ef0
[   44.609748][   T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.610013][   T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.610278][   T68] PKRU: 55555554
[   44.610417][   T68] Call Trace:
[   44.610556][   T68]  <TASK>
[ 44.610652][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.610831][ T68] ? __warn (kernel/panic.c:748) 
[ 44.610984][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.611165][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.611352][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.611492][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.611675][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.611877][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.612081][ T68] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.612316][ T68] ? _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) 
[ 44.612505][ T68] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.612690][ T68] register_netdevice (net/core/dev.c:11033) 
[ 44.612879][ T68] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.613075][ T68] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.613261][ T68] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.613481][ T68] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.613721][ T68] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.613962][ T68] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.614193][ T68] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.614427][ T68] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.614651][ T68] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.614881][ T68] devlink_reload (net/devlink/dev.c:474) 
[ 44.615075][ T68] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.615257][ T68] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.615448][ T68] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.615635][ T68] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.615876][ T68] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.616070][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.616254][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.616433][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.616623][ T68] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.616795][ T68] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.616984][ T68] process_one_work (kernel/workqueue.c:3238) 
[ 44.617193][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.617414][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.617628][ T68] ? assign_work (kernel/workqueue.c:1200) 
[ 44.617837][ T68] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.618051][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.618284][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.618469][ T68] kthread (kernel/kthread.c:464) 
[ 44.618614][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.618801][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.618992][ T68] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.619172][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.619352][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.633686][   T68] ------------[ cut here ]------------
| [ 44.633959][ T68] WARNING: CPU: 1 PID: 68 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:10596) 
| [   44.634332][   T68] Modules linked in: netdevsim
| [   44.634923][   T68] Tainted: [W]=WARN
[   44.635072][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.635308][   T68] Workqueue: netns cleanup_net
[ 44.635504][ T68] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.635742][ T68] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.636452][   T68] RSP: 0018:ffffc90000497620 EFLAGS: 00010246
[   44.636693][   T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.636976][   T68] RDX: 0000000000000000 RSI: ffff88800bb3ac98 RDI: ffff88800901ae10
[   44.637256][   T68] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   44.637535][   T68] R10: ffffffffb99ec227 R11: ffff88800901a300 R12: 0000000000000000
[   44.637809][   T68] R13: ffff88800bb3a128 R14: ffff88800bb3a008 R15: ffff88800bb3a000
[   44.638091][   T68] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.638408][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.638636][   T68] CR2: 000055702f79b3e8 CR3: 0000000001fb0005 CR4: 0000000000772ef0
[   44.638922][   T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.639192][   T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.639468][   T68] PKRU: 55555554
[   44.639613][   T68] Call Trace:
[   44.639759][   T68]  <TASK>
[ 44.639861][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.640059][ T68] ? __warn (kernel/panic.c:748) 
[ 44.640211][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.640397][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.640588][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.640738][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.640927][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.641124][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.641318][ T68] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.641554][ T68] ? _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) 
[ 44.641747][ T68] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.641964][ T68] register_netdevice (net/core/dev.c:11033) 
[ 44.642156][ T68] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.642349][ T68] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.642545][ T68] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.642787][ T68] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.643044][ T68] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.643288][ T68] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.643527][ T68] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.643760][ T68] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.643996][ T68] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.644239][ T68] devlink_reload (net/devlink/dev.c:474) 
[ 44.644429][ T68] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.644612][ T68] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.644809][ T68] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.645010][ T68] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.645252][ T68] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.645441][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.645631][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.645815][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.646021][ T68] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.646206][ T68] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.646403][ T68] process_one_work (kernel/workqueue.c:3238) 
[ 44.646600][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.646788][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.646998][ T68] ? assign_work (kernel/workqueue.c:1200) 
[ 44.647192][ T68] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.647379][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.647620][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.647808][ T68] kthread (kernel/kthread.c:464) 
[ 44.647981][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.648233][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.648448][ T68] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.648655][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.648858][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.664819][   T68] ------------[ cut here ]------------
| [ 44.665048][ T68] WARNING: CPU: 1 PID: 68 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:10596) 
| [   44.665477][   T68] Modules linked in: netdevsim
| [   44.666151][   T68] Tainted: [W]=WARN
[   44.666301][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.666545][   T68] Workqueue: netns cleanup_net
[ 44.666747][ T68] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.667092][ T68] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.667747][   T68] RSP: 0018:ffffc90000497620 EFLAGS: 00010246
[   44.668077][   T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.668359][   T68] RDX: 0000000000000000 RSI: ffff88800befac98 RDI: ffff88800901ae10
[   44.668641][   T68] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   44.669036][   T68] R10: ffffffffb99ec227 R11: ffff88800901a300 R12: 0000000000000000
[   44.669423][   T68] R13: ffff88800befa128 R14: ffff88800befa008 R15: ffff88800befa000
[   44.669713][   T68] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   44.670131][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.670362][   T68] CR2: 00007f25a64285a0 CR3: 000000000a51c003 CR4: 0000000000772ef0
[   44.670639][   T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.671025][   T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.671294][   T68] PKRU: 55555554
[   44.671431][   T68] Call Trace:
[   44.671567][   T68]  <TASK>
[ 44.671662][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.671843][ T68] ? __warn (kernel/panic.c:748) 
[ 44.672090][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.672275][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.672470][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.672609][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.672793][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.673098][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.673290][ T68] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.673520][ T68] ? _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) 
[ 44.673705][ T68] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.673896][ T68] register_netdevice (net/core/dev.c:11033) 
[ 44.674181][ T68] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.674372][ T68] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.674567][ T68] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.674804][ T68] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.675150][ T68] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.675394][ T68] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.675628][ T68] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.675857][ T68] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.676191][ T68] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.676431][ T68] devlink_reload (net/devlink/dev.c:474) 
[ 44.676614][ T68] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.676802][ T68] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.677085][ T68] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.677267][ T68] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.677506][ T68] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.677688][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.677874][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.678174][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.678369][ T68] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.678547][ T68] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.678736][ T68] process_one_work (kernel/workqueue.c:3238) 
[ 44.679022][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.679205][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.679399][ T68] ? assign_work (kernel/workqueue.c:1200) 
[ 44.679588][ T68] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.679790][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.680153][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.680361][ T68] kthread (kernel/kthread.c:464) 
[ 44.680513][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.680722][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.680966][ T68] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.681147][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.681326][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   44.696300][   T68] ------------[ cut here ]------------
| [ 44.696511][ T68] WARNING: CPU: 0 PID: 68 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:10596) 
| [   44.696864][   T68] Modules linked in: netdevsim
| [   44.697398][   T68] Tainted: [W]=WARN
[   44.697531][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.697749][   T68] Workqueue: netns cleanup_net
[ 44.697952][ T68] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.698175][ T68] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   44.698769][   T68] RSP: 0018:ffffc90000497620 EFLAGS: 00010246
[   44.699002][   T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   44.699257][   T68] RDX: 0000000000000000 RSI: ffff88800267ac98 RDI: ffff88800901ae10
[   44.699507][   T68] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   44.699755][   T68] R10: ffffffffb99ec227 R11: ffff88800901a300 R12: 0000000000000000
[   44.700015][   T68] R13: ffff88800267a128 R14: ffff88800267a008 R15: ffff88800267a000
[   44.700260][   T68] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   44.700546][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.700751][   T68] CR2: 00007f9050c39af8 CR3: 00000000026e4003 CR4: 0000000000772ef0
[   44.701046][   T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.701308][   T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.701560][   T68] PKRU: 55555554
[   44.701687][   T68] Call Trace:
[   44.701820][   T68]  <TASK>
[ 44.701927][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.702099][ T68] ? __warn (kernel/panic.c:748) 
[ 44.702237][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.702421][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 44.702609][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 44.702744][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 44.702927][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 44.703120][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 44.703300][ T68] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 44.703520][ T68] ? _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) 
[ 44.703709][ T68] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 44.703888][ T68] register_netdevice (net/core/dev.c:11033) 
[ 44.704073][ T68] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 44.704259][ T68] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 44.704453][ T68] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 44.704677][ T68] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 44.704922][ T68] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 44.705148][ T68] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 44.705369][ T68] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 44.705588][ T68] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 44.705803][ T68] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 44.706120][ T68] devlink_reload (net/devlink/dev.c:474) 
[ 44.706300][ T68] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 44.706474][ T68] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 44.706657][ T68] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 44.706830][ T68] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 44.707068][ T68] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 44.707246][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 44.707420][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 44.707588][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 44.707773][ T68] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 44.707956][ T68] ? process_one_work (kernel/workqueue.c:3214) 
[ 44.708144][ T68] process_one_work (kernel/workqueue.c:3238) 
[ 44.708330][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 44.708513][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 44.708696][ T68] ? assign_work (kernel/workqueue.c:1200) 
[ 44.708879][ T68] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 44.709071][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 44.709293][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 44.709469][ T68] kthread (kernel/kthread.c:464) 
[ 44.709601][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.709781][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.709970][ T68] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 44.710144][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 44.710327][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   45.432757][  T496] ------------[ cut here ]------------
| [ 45.433558][ T496] WARNING: CPU: 2 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   45.433974][  T496] Modules linked in: netdevsim
| [   45.434539][  T496] Tainted: [W]=WARN
[   45.434701][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.434967][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.435234][ T496] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   45.435969][  T496] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   45.436237][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.436534][  T496] RDX: 0000000000000000 RSI: ffff888005012c98 RDI: ffff888004e42dc0
[   45.436836][  T496] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   45.437147][  T496] R10: ffffffffb99ec227 R11: ffff888004e42300 R12: 0000000000000000
[   45.437448][  T496] R13: ffff888005012128 R14: ffff888005012008 R15: ffff888005012000
[   45.437751][  T496] FS:  00007f17a1053800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.438108][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.438362][  T496] CR2: 000055702f767d48 CR3: 000000000e4aa001 CR4: 0000000000772ef0
[   45.438663][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.438975][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.439272][  T496] PKRU: 55555554
[   45.439433][  T496] Call Trace:
[   45.439594][  T496]  <TASK>
[ 45.439709][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.439927][ T496] ? __warn (kernel/panic.c:748) 
[ 45.440093][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.440303][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.440520][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.440684][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.440890][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.441126][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.441334][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 45.441546][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 45.441805][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.442041][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.442256][ T496] register_netdevice (net/core/dev.c:11033) 
[ 45.442468][ T496] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 45.442692][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.442930][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.443194][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.443469][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.443735][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.444013][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.444274][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.444529][ T496] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 45.444794][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 45.445024][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.445233][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.445453][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.445658][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.445830][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.446058][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.446319][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 45.446534][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.446744][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.447028][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.447236][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.447448][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.447661][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.447868][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.448131][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.448380][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.448647][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.448859][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.449081][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.449293][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.449516][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.449678][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.449893][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.450122][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.450282][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.450495][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.450708][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.450934][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.451147][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.451358][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.451566][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.451782][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.452020][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.452228][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.452433][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.452653][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.452864][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.453128][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.453336][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.453596][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.453810][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 45.454034][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.454290][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.454498][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.454750][  T496] RIP: 0033:0x7f17a125fa4a
[ 45.454976][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.455652][  T496] RSP: 002b:00007ffdc74bf1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.455966][  T496] RAX: ffffffffffffffda RBX: 000000000b1e4b00 RCX: 00007f17a125fa4a
[   45.456269][  T496] RDX: 000000000000003c RSI: 000000000b1e4b00 RDI: 0000000000000005
[   45.456565][  T496] RBP: 000000000b1e4910 R08: 00007f17a1403200 R09: 000000000000000c
[   45.456863][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.457176][  T496] R13: 000000000b1e4910 R14: 0000000000000000 R15: 0000000000000001
| [   45.467561][  T496] ------------[ cut here ]------------
| [ 45.467812][ T496] WARNING: CPU: 2 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   45.468223][  T496] Modules linked in: netdevsim
| [   45.468794][  T496] Tainted: [W]=WARN
[   45.468972][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.469223][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.469482][ T496] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   45.470420][  T496] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   45.470678][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.470988][  T496] RDX: 0000000000000000 RSI: ffff88800d70ac98 RDI: ffff888004e42dc0
[   45.471287][  T496] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   45.471593][  T496] R10: ffffffffb99ec227 R11: ffff888004e42300 R12: 0000000000000000
[   45.471898][  T496] R13: ffff88800d70a128 R14: ffff88800d70a008 R15: ffff88800d70a000
[   45.472210][  T496] FS:  00007f17a1053800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   45.472554][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.472816][  T496] CR2: 000055702f767d48 CR3: 000000000e4aa001 CR4: 0000000000772ef0
[   45.473128][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.473425][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.473720][  T496] PKRU: 55555554
[   45.473882][  T496] Call Trace:
[   45.474053][  T496]  <TASK>
[ 45.474177][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.474384][ T496] ? __warn (kernel/panic.c:748) 
[ 45.474547][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.474757][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.474983][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.475147][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.475356][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.475576][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.475790][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 45.476018][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 45.476275][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.476489][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.476701][ T496] register_netdevice (net/core/dev.c:11033) 
[ 45.476926][ T496] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 45.477150][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.477373][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.477636][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.477920][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.478188][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.478453][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.478716][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.478984][ T496] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 45.479250][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 45.479464][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.479668][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.479879][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.480102][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.480273][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.480484][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.480737][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 45.480967][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.481176][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.481442][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.481651][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.481873][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.482101][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.482310][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.482561][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.482815][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.483097][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.483309][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.483513][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.483725][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.483959][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.484121][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.484334][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.484550][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.484717][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.484969][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.485179][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.485393][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.485607][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.485812][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.486041][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.486265][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.486485][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.486688][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.486895][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.487126][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.487339][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.487590][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.487806][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.488082][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.488295][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 45.488502][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.488756][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.489095][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.489348][  T496] RIP: 0033:0x7f17a125fa4a
[ 45.489565][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.490367][  T496] RSP: 002b:00007ffdc74bf1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.490787][  T496] RAX: ffffffffffffffda RBX: 000000000b1e4b00 RCX: 00007f17a125fa4a
[   45.491104][  T496] RDX: 000000000000003c RSI: 000000000b1e4b00 RDI: 0000000000000005
[   45.491400][  T496] RBP: 000000000b1e4910 R08: 00007f17a1403200 R09: 000000000000000c
[   45.491814][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.492128][  T496] R13: 000000000b1e4910 R14: 0000000000000000 R15: 0000000000000001
| [   45.511760][  T496] ------------[ cut here ]------------
| [ 45.512067][ T496] WARNING: CPU: 0 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   45.512434][  T496] Modules linked in: netdevsim
| [   45.512968][  T496] Tainted: [W]=WARN
[   45.513117][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.513349][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.513584][ T496] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   45.514242][  T496] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   45.514477][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.514752][  T496] RDX: 0000000000000000 RSI: ffff88800e7b2c98 RDI: ffff888004e42dc0
[   45.515038][  T496] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   45.515315][  T496] R10: ffffffffb99ec227 R11: ffff888004e42300 R12: 0000000000000000
[   45.515603][  T496] R13: ffff88800e7b2128 R14: ffff88800e7b2008 R15: ffff88800e7b2000
[   45.515878][  T496] FS:  00007f17a1053800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.516207][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.516441][  T496] CR2: 00007f25a64285a0 CR3: 000000000e4aa003 CR4: 0000000000772ef0
[   45.516732][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.517019][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.517296][  T496] PKRU: 55555554
[   45.517435][  T496] Call Trace:
[   45.517575][  T496]  <TASK>
[ 45.517672][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.517858][ T496] ? __warn (kernel/panic.c:748) 
[ 45.518017][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.518212][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.518404][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.518547][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.518735][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.518943][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.519132][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 45.519330][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 45.519565][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.519758][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.519960][ T496] register_netdevice (net/core/dev.c:11033) 
[ 45.520153][ T496] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 45.520351][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.520553][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.520799][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.521059][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.521305][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.521549][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.521786][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.522041][ T496] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 45.522287][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 45.522477][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.522662][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.522854][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.523047][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.523197][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.523393][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.523627][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 45.523822][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.524019][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.524267][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.524452][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.524644][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.524836][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.525036][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.525266][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.525497][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.525742][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.525941][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.526132][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.526323][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.526526][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.526668][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.526857][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.527061][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.527204][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.527396][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.527589][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.527783][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.527985][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.528170][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.528360][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.528555][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.528760][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.528968][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.529184][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.529403][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.529612][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.529870][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.530081][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.530318][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.530517][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 45.530706][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.530947][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.531135][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.531367][  T496] RIP: 0033:0x7f17a125fa4a
[ 45.531558][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.532220][  T496] RSP: 002b:00007ffdc74bf1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.532501][  T496] RAX: ffffffffffffffda RBX: 000000000b1e4b00 RCX: 00007f17a125fa4a
[   45.532779][  T496] RDX: 000000000000003c RSI: 000000000b1e4b00 RDI: 0000000000000005
[   45.533080][  T496] RBP: 000000000b1e4910 R08: 00007f17a1403200 R09: 000000000000000c
[   45.533360][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.533637][  T496] R13: 000000000b1e4910 R14: 0000000000000000 R15: 0000000000000001
| [   45.543761][  T496] ------------[ cut here ]------------
| [ 45.543974][ T496] WARNING: CPU: 0 PID: 496 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   45.544350][  T496] Modules linked in: netdevsim
| [   45.544876][  T496] Tainted: [W]=WARN
[   45.545029][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.545262][ T496] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.545496][ T496] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   45.546158][  T496] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   45.546393][  T496] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   45.546669][  T496] RDX: 0000000000000000 RSI: ffff88800d692c98 RDI: ffff888004e42dc0
[   45.546953][  T496] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   45.547237][  T496] R10: ffffffffb99ec227 R11: ffff888004e42300 R12: 0000000000000000
[   45.547513][  T496] R13: ffff88800d692128 R14: ffff88800d692008 R15: ffff88800d692000
[   45.547793][  T496] FS:  00007f17a1053800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   45.548123][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.548355][  T496] CR2: 00007f25a64285a0 CR3: 000000000e4aa003 CR4: 0000000000772ef0
[   45.548639][  T496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.548921][  T496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.549199][  T496] PKRU: 55555554
[   45.549339][  T496] Call Trace:
[   45.549480][  T496]  <TASK>
[ 45.549576][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.549767][ T496] ? __warn (kernel/panic.c:748) 
[ 45.549922][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.550117][ T496] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 45.550308][ T496] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 45.550450][ T496] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 45.550638][ T496] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 45.550837][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 45.551036][ T496] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 45.551234][ T496] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 45.551471][ T496] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 45.551663][ T496] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 45.551860][ T496] register_netdevice (net/core/dev.c:11033) 
[ 45.552063][ T496] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 45.552262][ T496] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 45.552468][ T496] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 45.552712][ T496] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 45.552970][ T496] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 45.553218][ T496] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 45.553464][ T496] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 45.553705][ T496] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 45.553945][ T496] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 45.554194][ T496] devlink_reload (net/devlink/dev.c:474) 
[ 45.554385][ T496] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 45.554572][ T496] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.554762][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.554956][ T496] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 45.555112][ T496] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 45.555302][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.555538][ T496] ? __nla_parse (lib/nlattr.c:732) 
[ 45.555734][ T496] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 45.555931][ T496] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 45.556176][ T496] ? cap_capable (security/commoncap.c:131) 
[ 45.556361][ T496] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 45.556558][ T496] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 45.556749][ T496] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 45.556945][ T496] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 45.557176][ T496] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 45.557403][ T496] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 45.557648][ T496] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 45.557842][ T496] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 45.558037][ T496] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 45.558228][ T496] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 45.558431][ T496] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 45.558574][ T496] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 45.558762][ T496] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 45.558966][ T496] genl_rcv (net/netlink/genetlink.c:1220) 
[ 45.559108][ T496] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 45.559304][ T496] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 45.559492][ T496] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 45.559685][ T496] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 45.559879][ T496] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 45.560079][ T496] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 45.560286][ T496] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 45.560504][ T496] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 45.560717][ T496] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 45.560948][ T496] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 45.561156][ T496] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 45.561370][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.561577][ T496] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 45.561840][ T496] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 45.562051][ T496] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 45.562292][ T496] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 45.562484][ T496] __x64_sys_sendto (net/socket.c:2181) 
[ 45.562672][ T496] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 45.562914][ T496] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 45.563105][ T496] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.563334][  T496] RIP: 0033:0x7f17a125fa4a
[ 45.563525][ T496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   45.564186][  T496] RSP: 002b:00007ffdc74bf1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.564465][  T496] RAX: ffffffffffffffda RBX: 000000000b1e4b00 RCX: 00007f17a125fa4a
[   45.564743][  T496] RDX: 000000000000003c RSI: 000000000b1e4b00 RDI: 0000000000000005
[   45.565149][  T496] RBP: 000000000b1e4910 R08: 00007f17a1403200 R09: 000000000000000c
[   45.565424][  T496] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   45.565700][  T496] R13: 000000000b1e4910 R14: 0000000000000000 R15: 0000000000000001
| [   46.474194][  T516] ------------[ cut here ]------------
| [ 46.474561][ T516] WARNING: CPU: 2 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   46.474985][  T516] Modules linked in: netdevsim
| [   46.475546][  T516] Tainted: [W]=WARN
[   46.475707][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.476007][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.476272][ T516] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   46.476967][  T516] RSP: 0018:ffffc90000d171e8 EFLAGS: 00010246
[   46.477231][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.477531][  T516] RDX: 0000000000000000 RSI: ffff888002152c98 RDI: ffff888005542dc0
[   46.477827][  T516] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   46.478142][  T516] R10: ffffffffb99ec227 R11: ffff888005542300 R12: 0000000000000000
[   46.478453][  T516] R13: ffff888002152128 R14: ffff888002152008 R15: ffff888002152000
[   46.478751][  T516] FS:  00007f10a93cc800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   46.479110][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.479363][  T516] CR2: 00007f10a977c200 CR3: 0000000009238003 CR4: 0000000000772ef0
[   46.479667][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.479993][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.480294][  T516] PKRU: 55555554
[   46.480457][  T516] Call Trace:
[   46.480614][  T516]  <TASK>
[ 46.480727][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.481040][ T516] ? __warn (kernel/panic.c:748) 
[ 46.481288][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.481576][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.481871][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.482130][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.482396][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.482616][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.482825][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 46.483049][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 46.483309][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.483523][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.483734][ T516] register_netdevice (net/core/dev.c:11033) 
[ 46.483974][ T516] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 46.484195][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.484419][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.484689][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.484980][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.485245][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.485509][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.485765][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.486033][ T516] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 46.486287][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.486495][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.486760][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 46.486990][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.487199][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.487464][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.487680][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.487962][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 46.488182][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.488394][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.488659][ T516] ? cap_capable (security/commoncap.c:131) 
[ 46.488867][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.489096][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.489314][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.489521][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.489774][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.490041][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.490305][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.490513][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.490726][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.490949][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.491171][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.491332][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.491543][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.491759][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.491957][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.492172][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.492387][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.492602][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.492813][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.493037][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.493248][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.493466][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.493678][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.493898][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.494125][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.494333][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.494549][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.494763][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 46.494983][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.495238][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.495446][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.495702][  T516] RIP: 0033:0x7f10a95d8a4a
[ 46.495940][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.496695][  T516] RSP: 002b:00007ffc7fd30bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.497046][  T516] RAX: ffffffffffffffda RBX: 000000002e0e9b00 RCX: 00007f10a95d8a4a
[   46.497376][  T516] RDX: 0000000000000034 RSI: 000000002e0e9b00 RDI: 0000000000000005
[   46.497703][  T516] RBP: 000000002e0e9910 R08: 00007f10a977c200 R09: 000000000000000c
[   46.498029][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.498330][  T516] R13: 000000002e0e9910 R14: 0000000000000000 R15: 0000000000000003
| [   46.509083][  T516] ------------[ cut here ]------------
| [ 46.509293][ T516] WARNING: CPU: 0 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   46.509665][  T516] Modules linked in: netdevsim
| [   46.510206][  T516] Tainted: [W]=WARN
[   46.510349][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.510580][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.510817][ T516] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   46.511476][  T516] RSP: 0018:ffffc90000d171e8 EFLAGS: 00010246
[   46.511712][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.512012][  T516] RDX: 0000000000000000 RSI: ffff88800a4b2c98 RDI: ffff888005542dc0
[   46.512290][  T516] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   46.512569][  T516] R10: ffffffffb99ec227 R11: ffff888005542300 R12: 0000000000000000
[   46.512842][  T516] R13: ffff88800a4b2128 R14: ffff88800a4b2008 R15: ffff88800a4b2000
[   46.513127][  T516] FS:  00007f10a93cc800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.513450][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.513686][  T516] CR2: 000055e9d00e7dec CR3: 0000000009238003 CR4: 0000000000772ef0
[   46.513972][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.514246][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.514522][  T516] PKRU: 55555554
[   46.514663][  T516] Call Trace:
[   46.514808][  T516]  <TASK>
[ 46.514913][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.515100][ T516] ? __warn (kernel/panic.c:748) 
[ 46.515246][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.515434][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.515630][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.515775][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.515975][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.516181][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.516369][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 46.516562][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 46.516800][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.517002][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.517192][ T516] register_netdevice (net/core/dev.c:11033) 
[ 46.517384][ T516] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 46.517586][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.517788][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.518044][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.518297][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.518542][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.518787][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.519039][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.519274][ T516] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 46.519507][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.519693][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.519949][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 46.520147][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.520337][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.520579][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.520772][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.521019][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 46.521215][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.521404][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.521653][ T516] ? cap_capable (security/commoncap.c:131) 
[ 46.521840][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.522050][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.522241][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.522430][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.522659][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.522890][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.523149][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.523340][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.523524][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.523715][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.523925][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.524069][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.524259][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.524457][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.524599][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.524792][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.524991][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.525190][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.525383][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.525569][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.525758][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.525967][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.526159][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.526355][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.526549][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.526738][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.526943][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.527135][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 46.527326][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.527557][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.527746][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.528003][  T516] RIP: 0033:0x7f10a95d8a4a
[ 46.528221][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.528955][  T516] RSP: 002b:00007ffc7fd30bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.529272][  T516] RAX: ffffffffffffffda RBX: 000000002e0e9b00 RCX: 00007f10a95d8a4a
[   46.529582][  T516] RDX: 0000000000000034 RSI: 000000002e0e9b00 RDI: 0000000000000005
[   46.529858][  T516] RBP: 000000002e0e9910 R08: 00007f10a977c200 R09: 000000000000000c
[   46.530145][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.530422][  T516] R13: 000000002e0e9910 R14: 0000000000000000 R15: 0000000000000003
| [   46.540760][  T516] ------------[ cut here ]------------
| [ 46.540976][ T516] WARNING: CPU: 0 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   46.541346][  T516] Modules linked in: netdevsim
| [   46.541872][  T516] Tainted: [W]=WARN
[   46.542783][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.543102][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.543343][ T516] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   46.544076][  T516] RSP: 0018:ffffc90000d171e8 EFLAGS: 00010246
[   46.544319][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.544597][  T516] RDX: 0000000000000000 RSI: ffff888009e7ac98 RDI: ffff888005542dc0
[   46.544873][  T516] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   46.545229][  T516] R10: ffffffffb99ec227 R11: ffff888005542300 R12: 0000000000000000
[   46.545509][  T516] R13: ffff888009e7a128 R14: ffff888009e7a008 R15: ffff888009e7a000
[   46.545783][  T516] FS:  00007f10a93cc800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   46.546191][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.546427][  T516] CR2: 000055e9d00e7dec CR3: 0000000009238003 CR4: 0000000000772ef0
[   46.546710][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.547071][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.547349][  T516] PKRU: 55555554
[   46.547491][  T516] Call Trace:
[   46.547636][  T516]  <TASK>
[ 46.547732][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.548004][ T516] ? __warn (kernel/panic.c:748) 
[ 46.548154][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.548343][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.548535][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.548678][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.548866][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.549147][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.549336][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 46.549530][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 46.549772][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.550050][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.550242][ T516] register_netdevice (net/core/dev.c:11033) 
[ 46.550434][ T516] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 46.550632][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.550835][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.551166][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.551417][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.551663][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.551994][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.552234][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.552472][ T516] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 46.552706][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.552894][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.553226][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 46.553419][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.553608][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.553849][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.554130][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.554366][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 46.554563][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.554760][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.555093][ T516] ? cap_capable (security/commoncap.c:131) 
[ 46.555281][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.555474][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.555671][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.555859][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.556171][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.556403][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.556647][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.556837][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.557111][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.557306][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.557508][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.557651][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.557841][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.558131][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.558273][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.558467][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.558661][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.558856][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.559132][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.559316][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.559507][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.559718][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.560011][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.560237][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.560447][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.560657][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.560871][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.561189][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 46.561383][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.561615][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.561804][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.562130][  T516] RIP: 0033:0x7f10a95d8a4a
[ 46.562324][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.563056][  T516] RSP: 002b:00007ffc7fd30bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.563345][  T516] RAX: ffffffffffffffda RBX: 000000002e0e9b00 RCX: 00007f10a95d8a4a
[   46.563622][  T516] RDX: 0000000000000034 RSI: 000000002e0e9b00 RDI: 0000000000000005
[   46.563900][  T516] RBP: 000000002e0e9910 R08: 00007f10a977c200 R09: 000000000000000c
[   46.564264][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.564545][  T516] R13: 000000002e0e9910 R14: 0000000000000000 R15: 0000000000000003
| [   46.584217][  T516] ------------[ cut here ]------------
| [ 46.584474][ T516] WARNING: CPU: 2 PID: 516 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   46.584871][  T516] Modules linked in: netdevsim
| [   46.585460][  T516] Tainted: [W]=WARN
[   46.585621][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.585873][ T516] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.586181][ T516] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[   46.586862][  T516] RSP: 0018:ffffc90000d171e8 EFLAGS: 00010246
[   46.587133][  T516] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   46.587436][  T516] RDX: 0000000000000000 RSI: ffff8880052cac98 RDI: ffff888005542dc0
[   46.587732][  T516] RBP: ffff88800d67b040 R08: 0000000000000000 R09: fffffbfff733d844
[   46.588047][  T516] R10: ffffffffb99ec227 R11: ffff888005542300 R12: 0000000000000000
[   46.588349][  T516] R13: ffff8880052ca128 R14: ffff8880052ca008 R15: ffff8880052ca000
[   46.588648][  T516] FS:  00007f10a93cc800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   46.589010][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.589264][  T516] CR2: 00007f10a977c200 CR3: 0000000009238003 CR4: 0000000000772ef0
[   46.589565][  T516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.589867][  T516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.590213][  T516] PKRU: 55555554
[   46.590380][  T516] Call Trace:
[   46.590540][  T516]  <TASK>
[ 46.590655][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.590868][ T516] ? __warn (kernel/panic.c:748) 
[ 46.591046][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.591261][ T516] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 46.591500][ T516] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 46.591678][ T516] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 46.591957][ T516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 46.592204][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 46.592417][ T516] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 46.592632][ T516] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 46.592891][ T516] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 46.593121][ T516] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 46.593349][ T516] register_netdevice (net/core/dev.c:11033) 
[ 46.593567][ T516] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 46.593786][ T516] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 46.594023][ T516] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 46.594286][ T516] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 46.594564][ T516] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 46.594833][ T516] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 46.595137][ T516] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 46.595400][ T516] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 46.595656][ T516] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 46.595925][ T516] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 46.596134][ T516] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 46.596405][ T516] devlink_reload (net/devlink/dev.c:474) 
[ 46.596618][ T516] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 46.596830][ T516] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 46.597114][ T516] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 46.597325][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.597587][ T516] ? __nla_parse (lib/nlattr.c:732) 
[ 46.597808][ T516] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 46.598047][ T516] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 46.598315][ T516] ? cap_capable (security/commoncap.c:131) 
[ 46.598526][ T516] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 46.598741][ T516] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 46.598967][ T516] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 46.599177][ T516] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 46.599430][ T516] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 46.599679][ T516] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 46.599979][ T516] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 46.600189][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 46.600400][ T516] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 46.600610][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 46.600834][ T516] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 46.601012][ T516] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 46.601226][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 46.601443][ T516] genl_rcv (net/netlink/genetlink.c:1220) 
[ 46.601604][ T516] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 46.601817][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 46.602049][ T516] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 46.602267][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 46.602483][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 46.602690][ T516] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 46.602943][ T516] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 46.603166][ T516] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 46.603380][ T516] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 46.603602][ T516] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 46.603817][ T516] ? __sys_recvmsg (net/socket.c:2859) 
[ 46.604041][ T516] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 46.604261][ T516] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 46.604474][ T516] __x64_sys_sendto (net/socket.c:2181) 
[ 46.604684][ T516] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 46.604949][ T516] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 46.605158][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.605411][  T516] RIP: 0033:0x7f10a95d8a4a
[ 46.605627][ T516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.606327][  T516] RSP: 002b:00007ffc7fd30bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.606639][  T516] RAX: ffffffffffffffda RBX: 000000002e0e9b00 RCX: 00007f10a95d8a4a
[   46.606947][  T516] RDX: 0000000000000034 RSI: 000000002e0e9b00 RDI: 0000000000000005
[   46.607248][  T516] RBP: 000000002e0e9910 R08: 00007f10a977c200 R09: 000000000000000c
[   46.607546][  T516] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   46.607845][  T516] R13: 000000002e0e9910 R14: 0000000000000000 R15: 0000000000000003
| [   47.748699][  T535] ------------[ cut here ]------------
| [ 47.749384][ T535] WARNING: CPU: 1 PID: 535 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:10596) 
| [   47.749800][  T535] Modules linked in: netdevsim
| [   47.750396][  T535] Tainted: [W]=WARN
[   47.750556][  T535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.750809][ T535] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.751088][ T535] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.751804][  T535] RSP: 0018:ffffc90000e571e8 EFLAGS: 00010246
[   47.752084][  T535] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.752395][  T535] RDX: 0000000000000000 RSI: ffff88800d5c2c98 RDI: ffff88800d582dc0
[   47.752701][  T535] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   47.753022][  T535] R10: ffffffffb99ec227 R11: ffff88800d582300 R12: 0000000000000000
[   47.753326][  T535] R13: ffff88800d5c2128 R14: ffff88800d5c2008 R15: ffff88800d5c2000
[   47.753624][  T535] FS:  00007f8aa7a13800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   47.753986][  T535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.754240][  T535] CR2: 00007f8aa7c6f423 CR3: 0000000009aaa003 CR4: 0000000000772ef0
[   47.754539][  T535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.754841][  T535] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.755157][  T535] PKRU: 55555554
[   47.755316][  T535] Call Trace:
[   47.755478][  T535]  <TASK>
[ 47.755586][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.755793][ T535] ? __warn (kernel/panic.c:748) 
[ 47.755968][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.756180][ T535] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.756394][ T535] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.756554][ T535] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.756761][ T535] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.756999][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.757210][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 47.757426][ T535] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 47.757694][ T535] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.757922][ T535] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.758135][ T535] register_netdevice (net/core/dev.c:11033) 
[ 47.758347][ T535] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 47.758573][ T535] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.758807][ T535] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.759087][ T535] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.759366][ T535] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.759641][ T535] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.759926][ T535] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.760199][ T535] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.760459][ T535] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 47.760735][ T535] devlink_reload (net/devlink/dev.c:474) 
[ 47.760964][ T535] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.761172][ T535] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.761388][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.761607][ T535] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.761821][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.762102][ T535] ? __nla_parse (lib/nlattr.c:732) 
[ 47.762331][ T535] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.762549][ T535] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.762825][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.763047][ T535] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.763266][ T535] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.763484][ T535] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.763697][ T535] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.763971][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.764232][ T535] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.764510][ T535] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.764724][ T535] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.764942][ T535] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.765157][ T535] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.765382][ T535] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.765544][ T535] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.765761][ T535] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.765989][ T535] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.766151][ T535] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.766366][ T535] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.766576][ T535] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.766794][ T535] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.767025][ T535] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.767243][ T535] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.767454][ T535] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.767673][ T535] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.767892][ T535] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.768124][ T535] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.768335][ T535] ? 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) 
[ 47.768547][ T535] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.768765][ T535] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 47.768988][ T535] ? 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) 
[ 47.769208][ T535] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 47.769423][ T535] __x64_sys_sendto (net/socket.c:2181) 
[ 47.769636][ T535] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.769894][ T535] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.770116][ T535] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.770374][  T535] RIP: 0033:0x7f8aa7c1fa4a
[ 47.770591][ T535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   47.771313][  T535] RSP: 002b:00007fff0e94f398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.771627][  T535] RAX: ffffffffffffffda RBX: 0000000029fc5b00 RCX: 00007f8aa7c1fa4a
[   47.772006][  T535] RDX: 000000000000003c RSI: 0000000029fc5b00 RDI: 0000000000000005
[   47.772315][  T535] RBP: 0000000029fc5910 R08: 00007f8aa7dc3200 R09: 000000000000000c
[   47.772621][  T535] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.772952][  T535] R13: 0000000029fc5910 R14: 0000000000000000 R15: 0000000000000003
| [   47.787255][  T535] ------------[ cut here ]------------
| [ 47.787577][ T535] WARNING: CPU: 1 PID: 535 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:10596) 
| [   47.788010][  T535] Modules linked in: netdevsim
| [   47.788594][  T535] Tainted: [W]=WARN
[   47.788751][  T535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.789067][ T535] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.789333][ T535] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.790068][  T535] RSP: 0018:ffffc90000e571e8 EFLAGS: 00010246
[   47.790335][  T535] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.790645][  T535] RDX: 0000000000000000 RSI: ffff88800d792c98 RDI: ffff88800d582dc0
[   47.790973][  T535] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   47.791289][  T535] R10: ffffffffb99ec227 R11: ffff88800d582300 R12: 0000000000000000
[   47.791597][  T535] R13: ffff88800d792128 R14: ffff88800d792008 R15: ffff88800d792000
[   47.791931][  T535] FS:  00007f8aa7a13800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   47.792293][  T535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.792555][  T535] CR2: 00007f8aa7c6f423 CR3: 0000000009aaa003 CR4: 0000000000772ef0
[   47.792867][  T535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.793193][  T535] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.793511][  T535] PKRU: 55555554
[   47.793672][  T535] Call Trace:
[   47.793831][  T535]  <TASK>
[ 47.793956][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.794176][ T535] ? __warn (kernel/panic.c:748) 
[ 47.794339][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.794551][ T535] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.794770][ T535] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.794947][ T535] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.795164][ T535] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.795388][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.795609][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 47.795831][ T535] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 47.796113][ T535] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.796332][ T535] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.796551][ T535] register_netdevice (net/core/dev.c:11033) 
[ 47.796767][ T535] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 47.797129][ T535] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.797362][ T535] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.797633][ T535] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.798043][ T535] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.798327][ T535] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.798600][ T535] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.798875][ T535] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.799163][ T535] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 47.799440][ T535] devlink_reload (net/devlink/dev.c:474) 
[ 47.799656][ T535] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.799997][ T535] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.800218][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.800440][ T535] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.800655][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.801053][ T535] ? __nla_parse (lib/nlattr.c:732) 
[ 47.801274][ T535] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.801489][ T535] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.801767][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.802110][ T535] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.802335][ T535] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.802548][ T535] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.802756][ T535] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.803135][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.803389][ T535] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.803650][ T535] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.803985][ T535] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.804185][ T535] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.804391][ T535] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.804609][ T535] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.804878][ T535] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.805100][ T535] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.805309][ T535] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.805462][ T535] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.805790][ T535] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.806008][ T535] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.806218][ T535] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.806426][ T535] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.806738][ T535] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.806953][ T535] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.807164][ T535] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.807375][ T535] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.807702][ T535] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.807915][ T535] ? 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) 
[ 47.808120][ T535] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.808328][ T535] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 47.808648][ T535] ? 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) 
[ 47.808851][ T535] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 47.809075][ T535] __x64_sys_sendto (net/socket.c:2181) 
[ 47.809280][ T535] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.809643][ T535] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.809847][ T535] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.810111][  T535] RIP: 0033:0x7f8aa7c1fa4a
[ 47.810320][ T535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   47.811151][  T535] RSP: 002b:00007fff0e94f398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.811569][  T535] RAX: ffffffffffffffda RBX: 0000000029fc5b00 RCX: 00007f8aa7c1fa4a
[   47.811878][  T535] RDX: 000000000000003c RSI: 0000000029fc5b00 RDI: 0000000000000005
[   47.812189][  T535] RBP: 0000000029fc5910 R08: 00007f8aa7dc3200 R09: 000000000000000c
[   47.812606][  T535] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.812918][  T535] R13: 0000000029fc5910 R14: 0000000000000000 R15: 0000000000000003
| [   47.842087][  T535] ------------[ cut here ]------------
| [ 47.842369][ T535] WARNING: CPU: 2 PID: 535 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:10596) 
| [   47.842790][  T535] Modules linked in: netdevsim
| [   47.843473][  T535] Tainted: [W]=WARN
[   47.843646][  T535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.843926][ T535] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.844197][ T535] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.844916][  T535] RSP: 0000:ffffc90000e571e8 EFLAGS: 00010246
[   47.845186][  T535] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.845498][  T535] RDX: 0000000000000000 RSI: ffff88800e782c98 RDI: ffff88800d582dc0
[   47.845801][  T535] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   47.846142][  T535] R10: ffffffffb99ec227 R11: ffff88800d582300 R12: 0000000000000000
[   47.846469][  T535] R13: ffff88800e782128 R14: ffff88800e782008 R15: ffff88800e782000
[   47.846784][  T535] FS:  00007f8aa7a13800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.847150][  T535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.847413][  T535] CR2: 00007f25a63fd530 CR3: 0000000009aaa004 CR4: 0000000000772ef0
[   47.847730][  T535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.848052][  T535] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.848357][  T535] PKRU: 55555554
[   47.848528][  T535] Call Trace:
[   47.848697][  T535]  <TASK>
[ 47.848816][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.849048][ T535] ? __warn (kernel/panic.c:748) 
[ 47.849224][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.849444][ T535] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.849661][ T535] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.849827][ T535] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.850047][ T535] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.850269][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.850481][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 47.850701][ T535] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 47.850972][ T535] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.851188][ T535] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.851407][ T535] register_netdevice (net/core/dev.c:11033) 
[ 47.851627][ T535] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 47.851855][ T535] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.852102][ T535] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.852384][ T535] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.852664][ T535] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.852952][ T535] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.853223][ T535] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.853488][ T535] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.853759][ T535] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 47.854050][ T535] devlink_reload (net/devlink/dev.c:474) 
[ 47.854276][ T535] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.854491][ T535] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.854710][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.854949][ T535] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.855168][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.855436][ T535] ? __nla_parse (lib/nlattr.c:732) 
[ 47.855671][ T535] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.855892][ T535] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.856179][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.856390][ T535] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.856610][ T535] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.856827][ T535] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.857051][ T535] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.857316][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.857575][ T535] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.857852][ T535] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.858083][ T535] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.858298][ T535] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.858517][ T535] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.858754][ T535] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.858932][ T535] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.859152][ T535] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.859372][ T535] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.859537][ T535] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.859756][ T535] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.859981][ T535] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.860209][ T535] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.860429][ T535] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.860640][ T535] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.860851][ T535] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.861089][ T535] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.861307][ T535] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.861533][ T535] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.861749][ T535] ? 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) 
[ 47.862002][ T535] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.862219][ T535] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 47.862436][ T535] ? 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) 
[ 47.862655][ T535] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 47.862874][ T535] __x64_sys_sendto (net/socket.c:2181) 
[ 47.863100][ T535] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.863365][ T535] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.863583][ T535] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.863837][  T535] RIP: 0033:0x7f8aa7c1fa4a
[ 47.864067][ T535] Code: Unable to access opcode bytes at 0x7f8aa7c1fa20.

Code starting with the faulting instruction
===========================================
[   47.864327][  T535] RSP: 002b:00007fff0e94f398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.864637][  T535] RAX: ffffffffffffffda RBX: 0000000029fc5b00 RCX: 00007f8aa7c1fa4a
[   47.864953][  T535] RDX: 000000000000003c RSI: 0000000029fc5b00 RDI: 0000000000000005
[   47.865263][  T535] RBP: 0000000029fc5910 R08: 00007f8aa7dc3200 R09: 000000000000000c
[   47.865571][  T535] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   47.865874][  T535] R13: 0000000029fc5910 R14: 0000000000000000 R15: 0000000000000003
| [   47.886276][  T535] ------------[ cut here ]------------
| [ 47.886543][ T535] WARNING: CPU: 2 PID: 535 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:10596) 
| [   47.886967][  T535] Modules linked in: netdevsim
| [   47.887554][  T535] Tainted: [W]=WARN
[   47.887718][  T535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.887991][ T535] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.888251][ T535] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   47.888948][  T535] RSP: 0000:ffffc90000e571e8 EFLAGS: 00010246
[   47.889211][  T535] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   47.889519][  T535] RDX: 0000000000000000 RSI: ffff88800acbac98 RDI: ffff88800d582dc0
[   47.889830][  T535] RBP: ffffffffbbb24440 R08: 0000000000000000 R09: fffffbfff733d844
[   47.890148][  T535] R10: ffffffffb99ec227 R11: ffff88800d582300 R12: 0000000000000000
[   47.890453][  T535] R13: ffff88800acba128 R14: ffff88800acba008 R15: ffff88800acba000
[   47.890772][  T535] FS:  00007f8aa7a13800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   47.891142][  T535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.891404][  T535] CR2: 00007f8aa7c1fa20 CR3: 0000000009aaa004 CR4: 0000000000772ef0
[   47.891731][  T535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.892057][  T535] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.892364][  T535] PKRU: 55555554
[   47.892533][  T535] Call Trace:
[   47.892697][  T535]  <TASK>
[ 47.892816][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.893038][ T535] ? __warn (kernel/panic.c:748) 
[ 47.893206][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.893421][ T535] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 47.893639][ T535] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 47.893808][ T535] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 47.894047][ T535] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 47.894273][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 47.894487][ T535] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 47.894707][ T535] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 47.894982][ T535] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 47.895200][ T535] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 47.895418][ T535] register_netdevice (net/core/dev.c:11033) 
[ 47.895640][ T535] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 47.895864][ T535] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 47.896105][ T535] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 47.896377][ T535] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 47.896657][ T535] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 47.896947][ T535] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 47.897218][ T535] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 47.897485][ T535] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 47.897741][ T535] ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:96 net/devlink/devl_internal.h:102 net/devlink/netlink.c:199) 
[ 47.898025][ T535] devlink_reload (net/devlink/dev.c:474) 
[ 47.898241][ T535] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 47.898458][ T535] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.898677][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.898895][ T535] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 47.899124][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.899384][ T535] ? __nla_parse (lib/nlattr.c:732) 
[ 47.899610][ T535] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 47.899828][ T535] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 47.900120][ T535] ? cap_capable (security/commoncap.c:131) 
[ 47.900339][ T535] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 47.900573][ T535] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 47.900787][ T535] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 47.901008][ T535] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 47.901267][ T535] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 47.901524][ T535] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 47.901804][ T535] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 47.902038][ T535] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 47.902252][ T535] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 47.902469][ T535] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 47.902696][ T535] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 47.902863][ T535] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 47.903089][ T535] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 47.903330][ T535] genl_rcv (net/netlink/genetlink.c:1220) 
[ 47.903498][ T535] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 47.903715][ T535] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 47.903955][ T535] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 47.904181][ T535] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 47.904411][ T535] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 47.904625][ T535] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 47.904854][ T535] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 47.905099][ T535] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 47.905316][ T535] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 47.905544][ T535] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 47.905759][ T535] ? 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) 
[ 47.905983][ T535] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 47.906198][ T535] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 47.906414][ T535] ? 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) 
[ 47.906647][ T535] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 47.906865][ T535] __x64_sys_sendto (net/socket.c:2181) 
[ 47.907093][ T535] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 47.907366][ T535] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 47.907583][ T535] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.907844][  T535] RIP: 0033:0x7f8aa7c1fa4a
[ 47.908082][ T535] Code: Unable to access opcode bytes at 0x7f8aa7c1fa20.

Code starting with the faulting instruction
===========================================
[   47.908344][  T535] RSP: 002b:00007fff0e94f398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.908654][  T535] RAX: ffffffffffffffda RBX: 0000000029fc5b00 RCX: 00007f8aa7c1fa4a
[   47.908970][  T535] RDX: 000000000000003c RSI: 0000000029fc5b00 RDI: 0000000000000005
[   47.909280][  T535] RBP: 0000000029fc5910 R08: 00007f8aa7dc3200 R09: 000000000000000c
[   47.909594][  T535] 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