======================================
| 0
| xx__-> [ 4180.962048][ T4512] ------------[ cut here ]------------
| [ 4180.962483][ T4512] WARNING: CPU: 2 PID: 4512 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [ 4180.963159][ T4512] Modules linked in: netdevsim psample vxcan can_dev xfrm_interface macsec ipvlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall geneve ip6_gre ip_gre gre sha1_generic xfrm_user xt_policy nft_compat nf_tables act_gact cls_flower sch_ingress vxlan
[ 4180.964810][ T4512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4180.965134][ T4512] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4180.965463][ T4512] Code: 00 e8 d3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf d0 0c 00 00 be ff ff ff ff e8 98 3b 99 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:	d3 48 fe             	rorl   %cl,-0x2(%rax)
   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 d0 0c 00 00 	lea    0xcd0(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 98 3b 99 00       	call   0x993bb9
  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
[ 4180.966312][ T4512] RSP: 0018:ffffc900003bf528 EFLAGS: 00010246
[ 4180.966632][ T4512] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 4180.967007][ T4512] RDX: 0000000000000000 RSI: ffff8880139c2cd0 RDI: ffff888014ac2e38
[ 4180.967394][ T4512] RBP: ffff888014765500 R08: 0000000000000000 R09: fffffbfff3c82504
[ 4180.967765][ T4512] R10: ffffffff9e412827 R11: ffff888014ac2300 R12: 0000000000000000
[ 4180.968149][ T4512] R13: ffff8880139c2130 R14: ffff8880139c2008 R15: ffff8880139c2000
[ 4180.968516][ T4512] FS:  00007fd39b25a740(0000) GS:ffff888065b00000(0000) knlGS:0000000000000000
[ 4180.968945][ T4512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4180.969272][ T4512] CR2: 0000561805eae2f8 CR3: 000000000e272005 CR4: 0000000000772ef0
[ 4180.969657][ T4512] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4180.970073][ T4512] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4180.970450][ T4512] PKRU: 55555554
[ 4180.970649][ T4512] Call Trace:
[ 4180.970847][ T4512]  <TASK>
[ 4180.970990][ T4512] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4180.971270][ T4512] ? __warn (kernel/panic.c:748) 
[ 4180.971475][ T4512] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4180.971727][ T4512] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 4180.971984][ T4512] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 4180.972199][ T4512] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 4180.972455][ T4512] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 4180.972728][ T4512] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4180.972980][ T4512] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 4180.973252][ T4512] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 4180.973561][ T4512] ? _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) 
[ 4180.973823][ T4512] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 4180.974098][ T4512] register_netdevice (net/core/dev.c:11003) 
[ 4180.974366][ T4512] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 4180.974616][ T4512] ? __debugfs_create_file (fs/debugfs/inode.c:466) 
[ 4180.974885][ T4512] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 4180.975166][ T4512] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 4180.975490][ T4512] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 4180.975695][ T4512] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 4180.976031][ T4512] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 4180.976355][ T4512] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 4180.976680][ T4512] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 4180.976941][ T4512] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 4180.977266][ T4512] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 4180.977526][ T4512] ? 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)) 
[ 4180.977724][ T4512] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 4180.977985][ T4512] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 4180.978257][ T4512] __driver_probe_device (drivers/base/dd.c:800) 
[ 4180.978512][ T4512] driver_probe_device (drivers/base/dd.c:830) 
[ 4180.978768][ T4512] __device_attach_driver (drivers/base/dd.c:959) 
[ 4180.979035][ T4512] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 4180.979350][ T4512] bus_for_each_drv (drivers/base/bus.c:462) 
[ 4180.979613][ T4512] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 4180.979865][ T4512] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 4180.980128][ T4512] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 4180.980387][ T4512] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 4180.980646][ T4512] __device_attach (drivers/base/dd.c:1030) 
[ 4180.980898][ T4512] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 4180.981164][ T4512] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 4180.981415][ T4512] ? 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) 
[ 4180.981678][ T4512] bus_probe_device (drivers/base/bus.c:537) 
[ 4180.981934][ T4512] device_add (drivers/base/core.c:3672) 
[ 4180.982199][ T4512] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 4180.982451][ T4512] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 4180.982715][ T4512] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 4180.983048][ T4512] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 4180.983384][ T4512] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 4180.983634][ T4512] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 4180.983895][ T4512] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 4180.984155][ T4512] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 4180.984415][ T4512] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 4180.984619][ T4512] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 4180.984878][ T4512] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 4180.985140][ T4512] ? 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) 
[ 4180.985404][ T4512] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 4180.985664][ T4512] ksys_write (fs/read_write.c:731) 
[ 4180.985862][ T4512] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 4180.986127][ T4512] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 4180.986392][ T4512] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 4180.986651][ T4512] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4180.986964][ T4512] RIP: 0033:0x7fd39b39bb77
[ 4180.987238][ T4512] 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
[ 4180.988089][ T4512] RSP: 002b:00007ffc7b975ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 4180.988466][ T4512] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd39b39bb77
[ 4180.988837][ T4512] RDX: 0000000000000007 RSI: 0000561805ead2f0 RDI: 0000000000000001
[ 4180.989215][ T4512] RBP: 0000561805ead2f0 R08: 0000000000000006 R09: 0000000000000077
[ 4180.989592][ T4512] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[ 4180.989963][ T4512] R13: 00007fd39b457760 R14: 0000000000000007 R15: 00007fd39b4529c0
| [ 4196.027638][ T4553] ------------[ cut here ]------------
| [ 4196.028006][ T4553] WARNING: CPU: 3 PID: 4553 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [ 4196.028787][ T4553] Modules linked in: drop_monitor netdevsim psample vxcan can_dev xfrm_interface macsec ipvlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall geneve ip6_gre ip_gre gre sha1_generic xfrm_user xt_policy nft_compat nf_tables act_gact cls_flower sch_ingress vxlan
| [ 4196.030554][ T4553] Tainted: [W]=WARN
[ 4196.030752][ T4553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4196.031050][ T4553] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4196.031345][ T4553] Code: 00 e8 d3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf d0 0c 00 00 be ff ff ff ff e8 98 3b 99 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:	d3 48 fe             	rorl   %cl,-0x2(%rax)
   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 d0 0c 00 00 	lea    0xcd0(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 98 3b 99 00       	call   0x993bb9
  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
[ 4196.032155][ T4553] RSP: 0018:ffffc900005a7528 EFLAGS: 00010246
[ 4196.032440][ T4553] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 4196.032772][ T4553] RDX: 0000000000000000 RSI: ffff88800502acd0 RDI: ffff888013668b78
[ 4196.033116][ T4553] RBP: ffff888014760040 R08: 0000000000000000 R09: fffffbfff3c82504
[ 4196.033457][ T4553] R10: ffffffff9e412827 R11: ffff888013668040 R12: 0000000000000000
[ 4196.033786][ T4553] R13: ffff88800502a130 R14: ffff88800502a008 R15: ffff88800502a000
[ 4196.034130][ T4553] FS:  00007f25bb496740(0000) GS:ffff888065b80000(0000) knlGS:0000000000000000
[ 4196.034517][ T4553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4196.034803][ T4553] CR2: 00005562d972f2f8 CR3: 00000000025d8003 CR4: 0000000000772ef0
[ 4196.035147][ T4553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4196.035481][ T4553] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4196.035817][ T4553] PKRU: 55555554
[ 4196.035987][ T4553] Call Trace:
[ 4196.036172][ T4553]  <TASK>
[ 4196.036295][ T4553] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4196.036520][ T4553] ? __warn (kernel/panic.c:748) 
[ 4196.036695][ T4553] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4196.036921][ T4553] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 4196.037170][ T4553] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 4196.037346][ T4553] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 4196.037573][ T4553] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 4196.037816][ T4553] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 4196.038061][ T4553] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 4196.038294][ T4553] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 4196.038579][ T4553] ? _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) 
[ 4196.038812][ T4553] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 4196.039056][ T4553] register_netdevice (net/core/dev.c:11003) 
[ 4196.039289][ T4553] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 4196.039529][ T4553] ? __debugfs_create_file (fs/debugfs/inode.c:466) 
[ 4196.039772][ T4553] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 4196.040034][ T4553] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 4196.040325][ T4553] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 4196.040500][ T4553] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 4196.040795][ T4553] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 4196.041099][ T4553] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 4196.041400][ T4553] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 4196.041639][ T4553] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 4196.041924][ T4553] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 4196.042165][ T4553] ? 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)) 
[ 4196.042340][ T4553] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 4196.042577][ T4553] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 4196.042938][ T4553] __driver_probe_device (drivers/base/dd.c:800) 
[ 4196.043181][ T4553] driver_probe_device (drivers/base/dd.c:830) 
[ 4196.043410][ T4553] __device_attach_driver (drivers/base/dd.c:959) 
[ 4196.043638][ T4553] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 4196.043916][ T4553] bus_for_each_drv (drivers/base/bus.c:462) 
[ 4196.044158][ T4553] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 4196.044384][ T4553] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 4196.044614][ T4553] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 4196.044841][ T4553] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 4196.045093][ T4553] __device_attach (drivers/base/dd.c:1030) 
[ 4196.045321][ T4553] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 4196.045543][ T4553] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 4196.045774][ T4553] ? 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) 
[ 4196.046020][ T4553] bus_probe_device (drivers/base/bus.c:537) 
[ 4196.046255][ T4553] device_add (drivers/base/core.c:3672) 
[ 4196.046485][ T4553] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 4196.046713][ T4553] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 4196.046952][ T4553] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 4196.047236][ T4553] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 4196.047513][ T4553] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 4196.047737][ T4553] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 4196.047970][ T4553] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 4196.048195][ T4553] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 4196.048423][ T4553] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 4196.048607][ T4553] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 4196.048841][ T4553] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 4196.049075][ T4553] ? 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) 
[ 4196.049312][ T4553] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 4196.049559][ T4553] ksys_write (fs/read_write.c:731) 
[ 4196.049735][ T4553] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 4196.049962][ T4553] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 4196.050208][ T4553] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 4196.050433][ T4553] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4196.050714][ T4553] RIP: 0033:0x7f25bb5d7b77
[ 4196.050944][ T4553] 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
[ 4196.051722][ T4553] RSP: 002b:00007fff81ccedb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 4196.052073][ T4553] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f25bb5d7b77
[ 4196.052400][ T4553] RDX: 0000000000000007 RSI: 00005562d972e2f0 RDI: 0000000000000001
[ 4196.052735][ T4553] RBP: 00005562d972e2f0 R08: 0000000000000006 R09: 0000000000000077
[ 4196.053082][ T4553] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007


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