======================================
| 0
| xx__-> [   11.341961][  T227] ------------[ cut here ]------------
| [ 11.342525][ T227] WARNING: CPU: 3 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.343448][  T227] Modules linked in: netdevsim
[   11.344513][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.344971][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.345440][ T227] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.346679][  T227] RSP: 0018:ffffc90000a87520 EFLAGS: 00010246
[   11.347161][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.347731][  T227] RDX: 0000000000000000 RSI: ffff88800a2f2c98 RDI: ffff8880050350f8
[   11.348273][  T227] RBP: ffffffffa4123440 R08: 0000000000000000 R09: fffffbfff43fd83c
[   11.348801][  T227] R10: ffffffffa1fec1e7 R11: ffff8880050345c0 R12: 0000000000000000
[   11.349372][  T227] R13: ffff88800a2f2128 R14: ffff88800a2f2008 R15: ffff88800a2f2000
[   11.349885][  T227] FS:  00007f44d5743740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   11.350515][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.351004][  T227] CR2: 00005599a5334ac8 CR3: 0000000009ff0002 CR4: 0000000000772ef0
[   11.351524][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.352276][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.352800][  T227] PKRU: 55555554
[   11.353087][  T227] Call Trace:
[   11.353359][  T227]  <TASK>
[ 11.353528][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.353859][ T227] ? __warn (kernel/panic.c:748) 
[ 11.354161][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.354528][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.354928][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.355221][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.355580][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.355979][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.356371][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.356854][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 11.357254][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.357614][ T227] register_netdevice (net/core/dev.c:11003) 
[ 11.357997][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.358391][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.358775][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.359264][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 11.359566][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.360035][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.360470][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 11.360905][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 11.361326][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 11.361774][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 11.362146][ T227] ? 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)) 
[ 11.362404][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 11.362771][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 11.363159][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 11.363514][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 11.363877][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 11.364262][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 11.364695][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 11.365066][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 11.365416][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.365756][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.366148][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 11.366671][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 11.367011][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 11.367377][ T227] ? 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) 
[ 11.367741][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 11.368127][ T227] device_add (drivers/base/core.c:3672) 
[ 11.368488][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 11.368721][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 11.368953][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 11.369241][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 11.369528][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.369750][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 11.369973][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 11.370205][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 11.370427][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 11.370600][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 11.370841][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.371073][ T227] ? 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) 
[ 11.371303][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 11.371521][ T227] ksys_write (fs/read_write.c:731) 
[ 11.371704][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 11.371913][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 11.372138][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.372352][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.372609][  T227] RIP: 0033:0x7f44d5884b77
[ 11.372844][ T227] 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
[   11.373574][  T227] RSP: 002b:00007ffe60a48848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.373911][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f44d5884b77
[   11.374231][  T227] RDX: 0000000000000007 RSI: 00005599a5333ac0 RDI: 0000000000000001
[   11.374553][  T227] RBP: 00005599a5333ac0 R08: 0000000000000003 R09: 0000000000000077
[   11.374889][  T227] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   11.375215][  T227] R13: 00007f44d5940760 R14: 0000000000000007 R15: 00007f44d593b9c0
| [   11.644440][  T252] ------------[ cut here ]------------
| [ 11.644960][ T252] WARNING: CPU: 0 PID: 252 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.645413][  T252] Modules linked in: netdevsim
| [   11.646111][  T252] Tainted: [W]=WARN
[   11.646321][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.646574][ T252] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.646848][ T252] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.647574][  T252] RSP: 0018:ffffc90000aa71e8 EFLAGS: 00010246
[   11.647839][  T252] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.648153][  T252] RDX: 0000000000000000 RSI: ffff88800938ac98 RDI: ffff8880096c0b00
[   11.648463][  T252] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   11.648796][  T252] R10: ffffffffa1fec1e7 R11: ffff8880096c0040 R12: 0000000000000000
[   11.649113][  T252] R13: ffff88800938a128 R14: ffff88800938a008 R15: ffff88800938a000
[   11.649431][  T252] FS:  00007fa878c00800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   11.649813][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.650080][  T252] CR2: 00007fa878d41290 CR3: 000000000bb8a003 CR4: 0000000000772ef0
[   11.650450][  T252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.650770][  T252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.651099][  T252] PKRU: 55555554
[   11.651293][  T252] Call Trace:
[   11.651479][  T252]  <TASK>
[ 11.651634][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.651854][ T252] ? __warn (kernel/panic.c:748) 
[ 11.652026][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.652303][ T252] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.652534][ T252] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.652705][ T252] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.652944][ T252] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.653203][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.653454][ T252] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.653727][ T252] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.654100][ T252] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 11.654372][ T252] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.654686][ T252] register_netdevice (net/core/dev.c:11003) 
[ 11.654946][ T252] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.655197][ T252] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.655446][ T252] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.655776][ T252] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.656099][ T252] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.656418][ T252] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.656743][ T252] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.657036][ T252] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.657331][ T252] devlink_reload (net/devlink/dev.c:474) 
[ 11.657553][ T252] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.657786][ T252] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 11.658005][ T252] ? cap_capable (security/commoncap.c:131) 
[ 11.658223][ T252] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 11.658391][ T252] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.658615][ T252] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.658914][ T252] ? __nla_parse (lib/nlattr.c:732) 
[ 11.659180][ T252] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.659435][ T252] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.659758][ T252] ? cap_capable (security/commoncap.c:131) 
[ 11.659996][ T252] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.660253][ T252] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.660481][ T252] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.660710][ T252] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.661003][ T252] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.661306][ T252] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.661632][ T252] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.661899][ T252] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.662133][ T252] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.662355][ T252] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.662597][ T252] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.662759][ T252] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.662973][ T252] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.663203][ T252] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.663360][ T252] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.663576][ T252] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.663794][ T252] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.664013][ T252] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.664244][ T252] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.664457][ T252] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.664674][ T252] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.664890][ T252] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.665112][ T252] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.665353][ T252] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.665560][ T252] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 11.665784][ T252] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 11.666000][ T252] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 11.666277][ T252] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 11.666550][ T252] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 11.666771][ T252] __x64_sys_sendto (net/socket.c:2181) 
[ 11.666980][ T252] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.667247][ T252] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.667452][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.667717][  T252] RIP: 0033:0x7fa878e0ca4a
[ 11.667951][ T252] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   11.668705][  T252] RSP: 002b:00007ffcd85fc438 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.669046][  T252] RAX: ffffffffffffffda RBX: 0000000017bb3b00 RCX: 00007fa878e0ca4a
[   11.669400][  T252] RDX: 0000000000000040 RSI: 0000000017bb3b00 RDI: 0000000000000005
[   11.669714][  T252] RBP: 0000000017bb3910 R08: 00007fa878fb0200 R09: 000000000000000c
[   11.670026][  T252] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.670383][  T252] R13: 0000000017bb3910 R14: 0000000000000000 R15: 0000000000000001
| [   12.828013][  T282] ------------[ cut here ]------------
| [ 12.828300][ T282] WARNING: CPU: 0 PID: 282 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.828681][  T282] Modules linked in: netdevsim
| [   12.829260][  T282] Tainted: [W]=WARN
[   12.829440][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.829693][ T282] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.829955][ T282] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.830716][  T282] RSP: 0018:ffffc900004c71e8 EFLAGS: 00010246
[   12.830991][  T282] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.831316][  T282] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff888009f9d080
[   12.831628][  T282] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   12.831933][  T282] R10: ffffffffa1fec1e7 R11: ffff888009f9c5c0 R12: 0000000000000000
[   12.832251][  T282] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[   12.832555][  T282] FS:  00007efc71a09800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   12.832914][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.833199][  T282] CR2: 00007efc71db9200 CR3: 000000000abe0006 CR4: 0000000000772ef0
[   12.833511][  T282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.833816][  T282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.834133][  T282] PKRU: 55555554
[   12.834292][  T282] Call Trace:
[   12.834448][  T282]  <TASK>
[ 12.834558][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.834765][ T282] ? __warn (kernel/panic.c:748) 
[ 12.834924][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.835144][ T282] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.835357][ T282] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.835516][ T282] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.835724][ T282] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.835944][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.836164][ T282] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.836378][ T282] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.836640][ T282] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 12.836852][ T282] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.837085][ T282] register_netdevice (net/core/dev.c:11003) 
[ 12.837343][ T282] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.837564][ T282] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.837788][ T282] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.838060][ T282] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.838332][ T282] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.838595][ T282] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.838864][ T282] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.839135][ T282] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.839416][ T282] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 12.839623][ T282] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 12.839894][ T282] devlink_reload (net/devlink/dev.c:474) 
[ 12.840118][ T282] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.840331][ T282] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 12.840597][ T282] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.840813][ T282] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.841095][ T282] ? __nla_parse (lib/nlattr.c:732) 
[ 12.841317][ T282] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.841526][ T282] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.841794][ T282] ? cap_capable (security/commoncap.c:131) 
[ 12.841994][ T282] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.842216][ T282] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.842431][ T282] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.842639][ T282] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.842892][ T282] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.843154][ T282] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.843426][ T282] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.843622][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.843813][ T282] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.844007][ T282] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.844225][ T282] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.844371][ T282] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.844583][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.844786][ T282] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.844932][ T282] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.845152][ T282] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.845347][ T282] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.845628][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.845923][ T282] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.846240][ T282] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.846560][ T282] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.846895][ T282] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.847244][ T282] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.847585][ T282] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 12.847918][ T282] ? __sys_recvmsg (net/socket.c:2859) 
[ 12.848252][ T282] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 12.848553][ T282] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 12.848864][ T282] __x64_sys_sendto (net/socket.c:2181) 
[ 12.849229][ T282] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.849637][ T282] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.849963][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.850384][  T282] RIP: 0033:0x7efc71c15a4a
[ 12.850710][ T282] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   12.851789][  T282] RSP: 002b:00007fff055b1178 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.852273][  T282] RAX: ffffffffffffffda RBX: 000000002b339b00 RCX: 00007efc71c15a4a
[   12.852754][  T282] RDX: 0000000000000038 RSI: 000000002b339b00 RDI: 0000000000000005
[   12.853254][  T282] RBP: 000000002b339910 R08: 00007efc71db9200 R09: 000000000000000c
[   12.853712][  T282] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.854189][  T282] R13: 000000002b339910 R14: 0000000000000000 R15: 0000000000000003
| [   13.538763][  T292] ------------[ cut here ]------------
| [ 13.539105][ T292] WARNING: CPU: 3 PID: 292 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   13.539539][  T292] Modules linked in: netdevsim
| [   13.540139][  T292] Tainted: [W]=WARN
[   13.540299][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.540549][ T292] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.540818][ T292] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   13.541606][  T292] RSP: 0018:ffffc900006071e8 EFLAGS: 00010246
[   13.541872][  T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.542191][  T292] RDX: 0000000000000000 RSI: ffff8880090b2c98 RDI: ffff88800215adc0
[   13.542499][  T292] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   13.542801][  T292] R10: ffffffffa1fec1e7 R11: ffff88800215a300 R12: 0000000000000000
[   13.543127][  T292] R13: ffff8880090b2128 R14: ffff8880090b2008 R15: ffff8880090b2000
[   13.543473][  T292] FS:  00007f73b8191800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   13.543864][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.544257][  T292] CR2: 00007f73b8541200 CR3: 0000000005674005 CR4: 0000000000772ef0
[   13.544601][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.544940][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.545314][  T292] PKRU: 55555554
[   13.545489][  T292] Call Trace:
[   13.545680][  T292]  <TASK>
[ 13.545810][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.546066][ T292] ? __warn (kernel/panic.c:748) 
[ 13.546246][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.546442][ T292] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.546664][ T292] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.546846][ T292] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.547079][ T292] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.547299][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.547515][ T292] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.547732][ T292] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.548009][ T292] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 13.548274][ T292] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.548533][ T292] register_netdevice (net/core/dev.c:11003) 
[ 13.548773][ T292] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.549030][ T292] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.549307][ T292] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.549617][ T292] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.549940][ T292] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.550258][ T292] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.550545][ T292] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.550786][ T292] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.551077][ T292] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.551302][ T292] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.551592][ T292] devlink_reload (net/devlink/dev.c:474) 
[ 13.551809][ T292] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.552019][ T292] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.552302][ T292] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.552525][ T292] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.552785][ T292] ? __nla_parse (lib/nlattr.c:732) 
[ 13.553015][ T292] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.553257][ T292] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.553539][ T292] ? cap_capable (security/commoncap.c:131) 
[ 13.553749][ T292] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.553996][ T292] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.554237][ T292] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.554469][ T292] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.554716][ T292] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.554981][ T292] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.555299][ T292] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.555531][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.555743][ T292] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.555952][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.556198][ T292] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.556364][ T292] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.556639][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.556885][ T292] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.557080][ T292] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.557322][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.557576][ T292] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.557817][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.558066][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.558289][ T292] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.558536][ T292] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.558757][ T292] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.558952][ T292] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.559200][ T292] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 13.559443][ T292] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.559669][ T292] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.559904][ T292] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.560145][ T292] __x64_sys_sendto (net/socket.c:2181) 
[ 13.560363][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.560624][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.560835][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.561118][  T292] RIP: 0033:0x7f73b839da4a
[ 13.561351][ T292] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   13.562080][  T292] RSP: 002b:00007ffd253a40e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.562435][  T292] RAX: ffffffffffffffda RBX: 0000000030434b00 RCX: 00007f73b839da4a
[   13.562768][  T292] RDX: 0000000000000038 RSI: 0000000030434b00 RDI: 0000000000000005
[   13.563083][  T292] RBP: 0000000030434910 R08: 00007f73b8541200 R09: 000000000000000c
[   13.563413][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.563713][  T292] R13: 0000000030434910 R14: 0000000000000000 R15: 0000000000000003
| [   15.307588][  T337] ------------[ cut here ]------------
| [ 15.307856][ T337] WARNING: CPU: 3 PID: 337 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) 
| [   15.308296][  T337] Modules linked in: netdevsim
| [   15.308887][  T337] Tainted: [W]=WARN
[   15.309091][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.309374][ T337] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.309646][ T337] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   15.310384][  T337] RSP: 0018:ffffc900007e71e8 EFLAGS: 00010246
[   15.310652][  T337] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   15.310960][  T337] RDX: 0000000000000000 RSI: ffff88800978ac98 RDI: ffff888005855080
[   15.311277][  T337] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   15.311587][  T337] R10: ffffffffa1fec1e7 R11: ffff8880058545c0 R12: 0000000000000000
[   15.311900][  T337] R13: ffff88800978a128 R14: ffff88800978a008 R15: ffff88800978a000
[   15.312219][  T337] FS:  00007fda3a666800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   15.312582][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.312845][  T337] CR2: 00007fda3aa16200 CR3: 000000000ba68002 CR4: 0000000000772ef0
[   15.313185][  T337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   15.313498][  T337] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   15.313808][  T337] PKRU: 55555554
[   15.313966][  T337] Call Trace:
[   15.314147][  T337]  <TASK>
[ 15.314255][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.314466][ T337] ? __warn (kernel/panic.c:748) 
[ 15.314635][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.314828][ T337] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 15.315034][ T337] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 15.315211][ T337] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 15.315414][ T337] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 15.315638][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.315853][ T337] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 15.316084][ T337] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 15.316357][ T337] ? _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) 
[ 15.316574][ T337] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 15.316787][ T337] register_netdevice (net/core/dev.c:11003) 
[ 15.317003][ T337] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 15.317249][ T337] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 15.317478][ T337] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 15.317755][ T337] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 15.318031][ T337] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 15.318320][ T337] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 15.318577][ T337] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 15.318842][ T337] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 15.319119][ T337] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 15.319344][ T337] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 15.319622][ T337] devlink_reload (net/devlink/dev.c:474) 
[ 15.319836][ T337] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 15.320063][ T337] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 15.320353][ T337] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 15.320569][ T337] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.320840][ T337] ? __nla_parse (lib/nlattr.c:732) 
[ 15.321075][ T337] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 15.321314][ T337] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 15.321589][ T337] ? cap_capable (security/commoncap.c:131) 
[ 15.321804][ T337] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 15.322031][ T337] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 15.322265][ T337] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 15.322485][ T337] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 15.322740][ T337] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.322994][ T337] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 15.323288][ T337] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 15.323503][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 15.323710][ T337] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 15.323924][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 15.324177][ T337] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 15.324369][ T337] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 15.324578][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 15.324807][ T337] genl_rcv (net/netlink/genetlink.c:1220) 
[ 15.324968][ T337] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 15.325210][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 15.325424][ T337] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.325641][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 15.325847][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 15.326074][ T337] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 15.326290][ T337] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 15.326532][ T337] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 15.326743][ T337] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 15.326991][ T337] ? __sys_recvmsg (net/socket.c:2859) 
[ 15.327223][ T337] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 15.327429][ T337] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12166) 
[ 15.327728][ T337] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 15.327999][ T337] __x64_sys_sendto (net/socket.c:2181) 
[ 15.328225][ T337] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 15.328469][ T337] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 15.328670][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.328918][  T337] RIP: 0033:0x7fda3a872a4a
[ 15.329172][ T337] 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
[   15.329914][  T337] RSP: 002b:00007ffd2aefa788 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.330221][  T337] RAX: ffffffffffffffda RBX: 000000002ade2b00 RCX: 00007fda3a872a4a
[   15.330511][  T337] RDX: 0000000000000038 RSI: 000000002ade2b00 RDI: 0000000000000005
[   15.330830][  T337] RBP: 000000002ade2910 R08: 00007fda3aa16200 R09: 000000000000000c
[   15.331135][  T337] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   15.331429][  T337] R13: 000000002ade2910 R14: 0000000000000000 R15: 0000000000000003
| [   16.110291][  T348] ------------[ cut here ]------------
| [ 16.110559][ T348] WARNING: CPU: 3 PID: 348 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   16.110962][  T348] Modules linked in: netdevsim
| [   16.111527][  T348] Tainted: [W]=WARN
[   16.111682][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.111923][ T348] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.112179][ T348] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   16.112831][  T348] RSP: 0018:ffffc900008671e8 EFLAGS: 00010246
[   16.113089][  T348] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.113374][  T348] RDX: 0000000000000000 RSI: ffff88800a2f2c98 RDI: ffff88800a045080
[   16.113650][  T348] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   16.113938][  T348] R10: ffffffffa1fec1e7 R11: ffff88800a0445c0 R12: 0000000000000000
[   16.114314][  T348] R13: ffff88800a2f2128 R14: ffff88800a2f2008 R15: ffff88800a2f2000
[   16.114601][  T348] FS:  00007fc5c28b9800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   16.114921][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.115190][  T348] CR2: 00007fc5c2c69200 CR3: 0000000004f5c005 CR4: 0000000000772ef0
[   16.115471][  T348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.115753][  T348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.116034][  T348] PKRU: 55555554
[   16.116190][  T348] Call Trace:
[   16.116333][  T348]  <TASK>
[ 16.116431][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.116624][ T348] ? __warn (kernel/panic.c:748) 
[ 16.116772][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.116963][ T348] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.117173][ T348] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.117319][ T348] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.117508][ T348] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.117722][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.117913][ T348] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.118120][ T348] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.118359][ T348] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 16.118558][ T348] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.118753][ T348] register_netdevice (net/core/dev.c:11003) 
[ 16.118948][ T348] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.119156][ T348] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.119377][ T348] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.119676][ T348] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.119946][ T348] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.120226][ T348] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.120484][ T348] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.120727][ T348] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.120977][ T348] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.121184][ T348] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.121434][ T348] devlink_reload (net/devlink/dev.c:474) 
[ 16.121650][ T348] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.121855][ T348] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.122130][ T348] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.122344][ T348] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.122590][ T348] ? __nla_parse (lib/nlattr.c:732) 
[ 16.122812][ T348] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.123060][ T348] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.123340][ T348] ? cap_capable (security/commoncap.c:131) 
[ 16.123539][ T348] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.123747][ T348] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.123958][ T348] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.124191][ T348] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.124445][ T348] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.124683][ T348] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.124940][ T348] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.125154][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.125348][ T348] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.125563][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.125778][ T348] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.125934][ T348] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.126149][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.126355][ T348] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.126509][ T348] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.126706][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.126900][ T348] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.127112][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.127321][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.127520][ T348] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.127722][ T348] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.127930][ T348] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.128146][ T348] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.128357][ T348] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.128566][ T348] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.128762][ T348] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.128978][ T348] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.129198][ T348] __x64_sys_sendto (net/socket.c:2181) 
[ 16.129420][ T348] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.129676][ T348] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.129880][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.130143][  T348] RIP: 0033:0x7fc5c2ac5a4a
[ 16.130347][ T348] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   16.131061][  T348] RSP: 002b:00007ffd5afd5388 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.131358][  T348] RAX: ffffffffffffffda RBX: 000000003b3d8b00 RCX: 00007fc5c2ac5a4a
[   16.131660][  T348] RDX: 0000000000000038 RSI: 000000003b3d8b00 RDI: 0000000000000005
[   16.131957][  T348] RBP: 000000003b3d8910 R08: 00007fc5c2c69200 R09: 000000000000000c
[   16.132277][  T348] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.132580][  T348] R13: 000000003b3d8910 R14: 0000000000000000 R15: 0000000000000003
| [   18.425663][  T409] ------------[ cut here ]------------
| [ 18.426247][ T409] WARNING: CPU: 2 PID: 409 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   18.426831][  T409] Modules linked in: netdevsim
| [   18.427614][  T409] Tainted: [W]=WARN
[   18.427837][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.428139][ T409] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.428401][ T409] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   18.429230][  T409] RSP: 0018:ffffc90000b871e8 EFLAGS: 00010246
[   18.429539][  T409] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.429865][  T409] RDX: 0000000000000000 RSI: ffff888004f1ac98 RDI: ffff8880090e2dc0
[   18.430197][  T409] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   18.430531][  T409] R10: ffffffffa1fec1e7 R11: ffff8880090e2300 R12: 0000000000000000
[   18.430855][  T409] R13: ffff888004f1a128 R14: ffff888004f1a008 R15: ffff888004f1a000
[   18.431193][  T409] FS:  00007fdc60ea5800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   18.431596][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.431875][  T409] CR2: 00007fdc61255200 CR3: 000000000d960006 CR4: 0000000000772ef0
[   18.432207][  T409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.432627][  T409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.433009][  T409] PKRU: 55555554
[   18.433195][  T409] Call Trace:
[   18.433359][  T409]  <TASK>
[ 18.433488][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.433729][ T409] ? __warn (kernel/panic.c:748) 
[ 18.433963][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.434246][ T409] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.434503][ T409] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.434682][ T409] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.434923][ T409] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.435166][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.435387][ T409] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.435615][ T409] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.435892][ T409] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 18.436129][ T409] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.436352][ T409] register_netdevice (net/core/dev.c:11003) 
[ 18.436578][ T409] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.436836][ T409] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.437080][ T409] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.437353][ T409] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.437626][ T409] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.437899][ T409] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.438181][ T409] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.438443][ T409] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.438702][ T409] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.438920][ T409] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.439206][ T409] devlink_reload (net/devlink/dev.c:474) 
[ 18.439446][ T409] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.439666][ T409] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.439940][ T409] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.440173][ T409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.440432][ T409] ? __nla_parse (lib/nlattr.c:732) 
[ 18.440653][ T409] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.440885][ T409] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.441174][ T409] ? cap_capable (security/commoncap.c:131) 
[ 18.441380][ T409] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.441594][ T409] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.441804][ T409] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.442011][ T409] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.442269][ T409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.442524][ T409] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.442790][ T409] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.442998][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.443223][ T409] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.443430][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.443651][ T409] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.443808][ T409] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.444021][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.444259][ T409] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.444418][ T409] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.444630][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.444836][ T409] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.445070][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.445285][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.445492][ T409] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.445702][ T409] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.445916][ T409] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.446143][ T409] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.446359][ T409] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.446573][ T409] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.446778][ T409] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.447012][ T409] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.447240][ T409] __x64_sys_sendto (net/socket.c:2181) 
[ 18.447460][ T409] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.447707][ T409] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.447915][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.448233][  T409] RIP: 0033:0x7fdc610b1a4a
[ 18.448444][ T409] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   18.449158][  T409] RSP: 002b:00007ffdeae7bb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.449485][  T409] RAX: ffffffffffffffda RBX: 0000000037eadb00 RCX: 00007fdc610b1a4a
[   18.449776][  T409] RDX: 0000000000000038 RSI: 0000000037eadb00 RDI: 0000000000000005
[   18.450111][  T409] RBP: 0000000037ead910 R08: 00007fdc61255200 R09: 000000000000000c
[   18.450422][  T409] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.450720][  T409] R13: 0000000037ead910 R14: 0000000000000000 R15: 0000000000000003
| [   19.247096][  T420] ------------[ cut here ]------------
| [ 19.247388][ T420] WARNING: CPU: 2 PID: 420 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   19.247800][  T420] Modules linked in: netdevsim
| [   19.248429][  T420] Tainted: [W]=WARN
[   19.248596][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.248849][ T420] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.249133][ T420] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   19.249838][  T420] RSP: 0018:ffffc90000bd71e8 EFLAGS: 00010246
[   19.250117][  T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   19.250433][  T420] RDX: 0000000000000000 RSI: ffff88800938ac98 RDI: ffff88800a042dc0
[   19.250735][  T420] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   19.251034][  T420] R10: ffffffffa1fec1e7 R11: ffff88800a042300 R12: 0000000000000000
[   19.251346][  T420] R13: ffff88800938a128 R14: ffff88800938a008 R15: ffff88800938a000
[   19.251651][  T420] FS:  00007fcfcbfca800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   19.252102][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.252360][  T420] CR2: 000055996791bdec CR3: 0000000008f70005 CR4: 0000000000772ef0
[   19.252662][  T420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   19.252962][  T420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   19.253277][  T420] PKRU: 55555554
[   19.253442][  T420] Call Trace:
[   19.253599][  T420]  <TASK>
[ 19.253713][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.253915][ T420] ? __warn (kernel/panic.c:748) 
[ 19.254090][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.254296][ T420] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 19.254514][ T420] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 19.254686][ T420] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 19.254894][ T420] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 19.255134][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.255341][ T420] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 19.255551][ T420] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 19.255805][ T420] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 19.256014][ T420] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 19.256235][ T420] register_netdevice (net/core/dev.c:11003) 
[ 19.256444][ T420] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 19.256657][ T420] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 19.256877][ T420] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 19.257142][ T420] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 19.257408][ T420] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 19.257673][ T420] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 19.257931][ T420] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 19.258213][ T420] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 19.258483][ T420] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 19.258686][ T420] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 19.258960][ T420] devlink_reload (net/devlink/dev.c:474) 
[ 19.259181][ T420] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 19.259399][ T420] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 19.259656][ T420] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 19.259863][ T420] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.260137][ T420] ? __nla_parse (lib/nlattr.c:732) 
[ 19.260350][ T420] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 19.260561][ T420] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 19.260825][ T420] ? cap_capable (security/commoncap.c:131) 
[ 19.261029][ T420] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 19.261281][ T420] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 19.261490][ T420] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 19.261694][ T420] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 19.261948][ T420] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.262217][ T420] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 19.262502][ T420] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 19.262712][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 19.262920][ T420] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 19.263156][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 19.263411][ T420] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 19.263585][ T420] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 19.263794][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 19.264038][ T420] genl_rcv (net/netlink/genetlink.c:1220) 
[ 19.264225][ T420] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 19.264449][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 19.264703][ T420] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 19.264934][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 19.265175][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 19.265431][ T420] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 19.265657][ T420] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 19.265890][ T420] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 19.266131][ T420] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 19.266363][ T420] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 19.266616][ T420] ? __sys_recvmsg (net/socket.c:2859) 
[ 19.266838][ T420] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 19.267102][ T420] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 19.267338][ T420] __x64_sys_sendto (net/socket.c:2181) 
[ 19.267588][ T420] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 19.267885][ T420] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 19.268125][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.268420][  T420] RIP: 0033:0x7fcfcc1d6a4a
[ 19.268642][ T420] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   19.269443][  T420] RSP: 002b:00007fffa3810f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   19.269770][  T420] RAX: ffffffffffffffda RBX: 00000000352c2b00 RCX: 00007fcfcc1d6a4a
[   19.270141][  T420] RDX: 0000000000000038 RSI: 00000000352c2b00 RDI: 0000000000000005
[   19.270516][  T420] RBP: 00000000352c2910 R08: 00007fcfcc37a200 R09: 000000000000000c
[   19.270862][  T420] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   19.271213][  T420] R13: 00000000352c2910 R14: 0000000000000000 R15: 0000000000000003
| [   20.451807][  T453] ------------[ cut here ]------------
| [ 20.452177][ T453] WARNING: CPU: 1 PID: 453 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   20.452557][  T453] Modules linked in: netdevsim
| [   20.453124][  T453] Tainted: [W]=WARN
[   20.453276][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.453516][ T453] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.453808][ T453] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   20.454497][  T453] RSP: 0018:ffffc90000d371e8 EFLAGS: 00010246
[   20.454805][  T453] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   20.455251][  T453] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff888004f8d080
[   20.455541][  T453] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   20.455821][  T453] R10: ffffffffa1fec1e7 R11: ffff888004f8c5c0 R12: 0000000000000000
[   20.456117][  T453] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[   20.456404][  T453] FS:  00007fa42e533800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   20.456731][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.456966][  T453] CR2: 00007fa1ed3902f0 CR3: 0000000002682004 CR4: 0000000000772ef0
[   20.457257][  T453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.457547][  T453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.457859][  T453] PKRU: 55555554
[   20.458004][  T453] Call Trace:
[   20.458163][  T453]  <TASK>
[ 20.458269][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.458464][ T453] ? __warn (kernel/panic.c:748) 
[ 20.458616][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.458813][ T453] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 20.459012][ T453] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 20.459165][ T453] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 20.459377][ T453] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 20.459591][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 20.459788][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 20.459990][ T453] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 20.460246][ T453] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 20.460446][ T453] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 20.460642][ T453] register_netdevice (net/core/dev.c:11003) 
[ 20.460845][ T453] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 20.461063][ T453] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 20.461269][ T453] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 20.461522][ T453] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 20.461773][ T453] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 20.462025][ T453] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 20.462287][ T453] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 20.462529][ T453] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 20.462772][ T453] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 20.462964][ T453] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 20.463234][ T453] devlink_reload (net/devlink/dev.c:474) 
[ 20.463431][ T453] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 20.463624][ T453] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 20.463871][ T453] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 20.464081][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 20.464328][ T453] ? __nla_parse (lib/nlattr.c:732) 
[ 20.464534][ T453] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 20.464735][ T453] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 20.465022][ T453] ? cap_capable (security/commoncap.c:131) 
[ 20.465225][ T453] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 20.465424][ T453] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 20.465626][ T453] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 20.465821][ T453] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 20.466072][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 20.466312][ T453] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 20.466556][ T453] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 20.466752][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 20.466943][ T453] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 20.467148][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 20.467356][ T453] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 20.467503][ T453] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 20.467698][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 20.467895][ T453] genl_rcv (net/netlink/genetlink.c:1220) 
[ 20.468041][ T453] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 20.468253][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 20.468447][ T453] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 20.468644][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 20.468867][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 20.469072][ T453] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 20.469271][ T453] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 20.469495][ T453] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 20.469697][ T453] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 20.469899][ T453] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 20.470108][ T453] ? __sys_recvmsg (net/socket.c:2859) 
[ 20.470301][ T453] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 20.470501][ T453] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 20.470703][ T453] __x64_sys_sendto (net/socket.c:2181) 
[ 20.470892][ T453] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 20.471167][ T453] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 20.471362][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.471600][  T453] RIP: 0033:0x7fa42e73fa4a
[ 20.471798][ T453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   20.472480][  T453] RSP: 002b:00007ffebb791c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.472765][  T453] RAX: ffffffffffffffda RBX: 000000002ccfcb00 RCX: 00007fa42e73fa4a
[   20.473091][  T453] RDX: 0000000000000038 RSI: 000000002ccfcb00 RDI: 0000000000000005
[   20.473380][  T453] RBP: 000000002ccfc910 R08: 00007fa42e8e3200 R09: 000000000000000c
[   20.473661][  T453] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   20.473940][  T453] R13: 000000002ccfc910 R14: 0000000000000000 R15: 0000000000000003
| [   21.582755][  T469] ------------[ cut here ]------------
| [ 21.583200][ T469] WARNING: CPU: 0 PID: 469 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   21.583859][  T469] Modules linked in: netdevsim
| [   21.584869][  T469] Tainted: [W]=WARN
[   21.585166][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.585613][ T469] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.586114][ T469] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   21.587281][  T469] RSP: 0018:ffffc90000da71e8 EFLAGS: 00010246
[   21.587709][  T469] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   21.588226][  T469] RDX: 0000000000000000 RSI: ffff8880090b2c98 RDI: ffff8880090e2dc0
[   21.588727][  T469] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[   21.589268][  T469] R10: ffffffffa1fec1e7 R11: ffff8880090e2300 R12: 0000000000000000
[   21.589790][  T469] R13: ffff8880090b2128 R14: ffff8880090b2008 R15: ffff8880090b2000
[   21.590310][  T469] FS:  00007f61b0173800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   21.590886][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.591328][  T469] CR2: 00007f201c6d85a0 CR3: 000000000a3e2001 CR4: 0000000000772ef0
[   21.591824][  T469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.592340][  T469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.592847][  T469] PKRU: 55555554
[   21.593156][  T469] Call Trace:
[   21.593425][  T469]  <TASK>
[ 21.593602][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.593944][ T469] ? __warn (kernel/panic.c:748) 
[ 21.594241][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.594575][ T469] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 21.594916][ T469] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 21.595186][ T469] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 21.595527][ T469] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 21.595885][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 21.596264][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 21.596622][ T469] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 21.597102][ T469] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 21.597494][ T469] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 21.597848][ T469] register_netdevice (net/core/dev.c:11003) 
[ 21.598209][ T469] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 21.598561][ T469] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 21.598937][ T469] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 21.599414][ T469] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 21.599854][ T469] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 21.600298][ T469] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 21.600731][ T469] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 21.601207][ T469] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 21.601636][ T469] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 21.601971][ T469] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 21.602450][ T469] devlink_reload (net/devlink/dev.c:474) 
[ 21.602804][ T469] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 21.603173][ T469] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 21.603609][ T469] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 21.603953][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.604404][ T469] ? __nla_parse (lib/nlattr.c:732) 
[ 21.604780][ T469] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 21.605168][ T469] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 21.605636][ T469] ? cap_capable (security/commoncap.c:131) 
[ 21.605981][ T469] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 21.606347][ T469] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 21.606704][ T469] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 21.607045][ T469] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 21.607499][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.607914][ T469] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 21.608367][ T469] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 21.608715][ T469] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 21.609102][ T469] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 21.609457][ T469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 21.609821][ T469] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 21.610104][ T469] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 21.610441][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 21.610793][ T469] genl_rcv (net/netlink/genetlink.c:1220) 
[ 21.611041][ T469] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 21.611441][ T469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 21.611803][ T469] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 21.612189][ T469] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 21.612539][ T469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 21.612868][ T469] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 21.613268][ T469] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 21.613629][ T469] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 21.613979][ T469] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 21.614358][ T469] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 21.614707][ T469] ? __sys_recvmsg (net/socket.c:2859) 
[ 21.615045][ T469] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 21.615434][ T469] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 21.615819][ T469] __x64_sys_sendto (net/socket.c:2181) 
[ 21.616180][ T469] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 21.616623][ T469] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 21.616980][ T469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.617462][  T469] RIP: 0033:0x7f61b037fa4a
[ 21.617812][ T469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   21.618995][  T469] RSP: 002b:00007ffd20be8d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.619553][  T469] RAX: ffffffffffffffda RBX: 000000003d6e6b00 RCX: 00007f61b037fa4a
[   21.620087][  T469] RDX: 0000000000000038 RSI: 000000003d6e6b00 RDI: 0000000000000005
[   21.620637][  T469] RBP: 000000003d6e6910 R08: 00007f61b0523200 R09: 000000000000000c
[   21.621187][  T469] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   21.621708][  T469] R13: 000000003d6e6910 R14: 0000000000000000 R15: 0000000000000003
| [  297.796341][  T981] ------------[ cut here ]------------
| [ 297.796633][ T981] WARNING: CPU: 0 PID: 981 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  297.797292][  T981] Modules linked in: netdevsim
| [  297.797958][  T981] Tainted: [W]=WARN
[  297.798176][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 297.798430][ T981] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.798690][ T981] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  297.799404][  T981] RSP: 0018:ffffc90001df71e8 EFLAGS: 00010246
[  297.799651][  T981] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  297.799940][  T981] RDX: 0000000000000000 RSI: ffff88800978ac98 RDI: ffff8880090aadc0
[  297.800254][  T981] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  297.800618][  T981] R10: ffffffffa1fec1e7 R11: ffff8880090aa300 R12: 0000000000000000
[  297.800946][  T981] R13: ffff88800978a128 R14: ffff88800978a008 R15: ffff88800978a000
[  297.801326][  T981] FS:  00007f4fec599800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  297.801729][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  297.801972][  T981] CR2: 00007f4fec949200 CR3: 00000000051e0005 CR4: 0000000000772ef0
[  297.802284][  T981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  297.802610][  T981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  297.802917][  T981] PKRU: 55555554
[  297.803090][  T981] Call Trace:
[  297.803239][  T981]  <TASK>
[ 297.803343][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.803561][ T981] ? __warn (kernel/panic.c:748) 
[ 297.803716][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.803914][ T981] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 297.804138][ T981] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 297.804292][ T981] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 297.804487][ T981] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 297.804701][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.804899][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 297.805124][ T981] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 297.805375][ T981] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 297.805592][ T981] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 297.805789][ T981] register_netdevice (net/core/dev.c:11003) 
[ 297.805988][ T981] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 297.806233][ T981] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 297.806450][ T981] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 297.806709][ T981] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 297.806968][ T981] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 297.807247][ T981] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 297.807502][ T981] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 297.807751][ T981] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 297.808010][ T981] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 297.808230][ T981] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 297.808485][ T981] devlink_reload (net/devlink/dev.c:474) 
[ 297.808688][ T981] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 297.808887][ T981] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 297.809160][ T981] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 297.809360][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.809602][ T981] ? __nla_parse (lib/nlattr.c:732) 
[ 297.809813][ T981] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 297.810012][ T981] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 297.810305][ T981] ? cap_capable (security/commoncap.c:131) 
[ 297.810505][ T981] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 297.810709][ T981] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 297.810911][ T981] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 297.811131][ T981] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 297.811374][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.811613][ T981] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 297.811867][ T981] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 297.812093][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 297.812292][ T981] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 297.812494][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 297.812705][ T981] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 297.812856][ T981] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 297.813076][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 297.813286][ T981] genl_rcv (net/netlink/genetlink.c:1220) 
[ 297.813439][ T981] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 297.813641][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 297.813841][ T981] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 297.814043][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 297.814280][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 297.814477][ T981] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 297.814679][ T981] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 297.814916][ T981] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 297.815253][ T981] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 297.815585][ T981] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 297.815914][ T981] ? __sys_recvmsg (net/socket.c:2859) 
[ 297.816239][ T981] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 297.816565][ T981] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 297.816893][ T981] __x64_sys_sendto (net/socket.c:2181) 
[ 297.817224][ T981] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 297.817606][ T981] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 297.817924][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  297.818348][  T981] RIP: 0033:0x7f4fec7a5a4a
[ 297.818667][ T981] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  297.819717][  T981] RSP: 002b:00007fff76937148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  297.820119][  T981] RAX: ffffffffffffffda RBX: 000000002260cb00 RCX: 00007f4fec7a5a4a
[  297.820584][  T981] RDX: 0000000000000038 RSI: 000000002260cb00 RDI: 0000000000000005
[  297.821036][  T981] RBP: 000000002260c910 R08: 00007f4fec949200 R09: 000000000000000c
[  297.821505][  T981] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  297.821968][  T981] R13: 000000002260c910 R14: 0000000000000000 R15: 0000000000000003
| [  298.671527][  T995] ------------[ cut here ]------------
| [ 298.671926][ T995] WARNING: CPU: 0 PID: 995 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  298.672561][  T995] Modules linked in: netdevsim
| [  298.673202][  T995] Tainted: [W]=WARN
[  298.673368][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 298.673677][ T995] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.674029][ T995] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  298.674889][  T995] RSP: 0018:ffffc90001e771e8 EFLAGS: 00010246
[  298.675199][  T995] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  298.675542][  T995] RDX: 0000000000000000 RSI: ffff88800a2f2c98 RDI: ffff88800d89d080
[  298.675883][  T995] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  298.676237][  T995] R10: ffffffffa1fec1e7 R11: ffff88800d89c5c0 R12: 0000000000000000
[  298.676583][  T995] R13: ffff88800a2f2128 R14: ffff88800a2f2008 R15: ffff88800a2f2000
[  298.676922][  T995] FS:  00007fb4dc28e800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  298.677332][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  298.677622][  T995] CR2: 00007fb4dc63e200 CR3: 000000000e80a002 CR4: 0000000000772ef0
[  298.677981][  T995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  298.678333][  T995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  298.678674][  T995] PKRU: 55555554
[  298.678849][  T995] Call Trace:
[  298.679019][  T995]  <TASK>
[ 298.679147][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.679384][ T995] ? __warn (kernel/panic.c:748) 
[ 298.679569][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.679801][ T995] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 298.680037][ T995] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 298.680223][ T995] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 298.680454][ T995] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 298.680694][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 298.680921][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 298.681169][ T995] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 298.681461][ T995] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 298.681692][ T995] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 298.681921][ T995] register_netdevice (net/core/dev.c:11003) 
[ 298.682165][ T995] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 298.682405][ T995] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 298.682647][ T995] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 298.682950][ T995] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 298.683258][ T995] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 298.683553][ T995] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 298.683842][ T995] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 298.684136][ T995] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 298.684428][ T995] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 298.684658][ T995] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 298.684957][ T995] devlink_reload (net/devlink/dev.c:474) 
[ 298.685206][ T995] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 298.685441][ T995] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 298.685734][ T995] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 298.685966][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 298.686273][ T995] ? __nla_parse (lib/nlattr.c:732) 
[ 298.686512][ T995] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 298.686742][ T995] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 298.687033][ T995] ? cap_capable (security/commoncap.c:131) 
[ 298.687272][ T995] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 298.687508][ T995] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 298.687738][ T995] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 298.687992][ T995] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 298.688284][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 298.688564][ T995] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 298.688858][ T995] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 298.689147][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 298.689397][ T995] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 298.689633][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 298.689870][ T995] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 298.690042][ T995] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 298.690286][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 298.690518][ T995] genl_rcv (net/netlink/genetlink.c:1220) 
[ 298.690688][ T995] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 298.690916][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 298.691159][ T995] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 298.691398][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 298.691627][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 298.691850][ T995] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 298.692093][ T995] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 298.692330][ T995] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 298.692558][ T995] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 298.692790][ T995] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 298.693022][ T995] ? __sys_recvmsg (net/socket.c:2859) 
[ 298.693268][ T995] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 298.693504][ T995] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 298.693735][ T995] __x64_sys_sendto (net/socket.c:2181) 
[ 298.693964][ T995] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 298.694254][ T995] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 298.694484][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  298.694760][  T995] RIP: 0033:0x7fb4dc49aa4a
[ 298.694994][ T995] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  298.695781][  T995] RSP: 002b:00007ffd07bf34f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  298.696134][  T995] RAX: ffffffffffffffda RBX: 0000000015f63b00 RCX: 00007fb4dc49aa4a
[  298.696475][  T995] RDX: 0000000000000038 RSI: 0000000015f63b00 RDI: 0000000000000005
[  298.696805][  T995] RBP: 0000000015f63910 R08: 00007fb4dc63e200 R09: 000000000000000c
[  298.697154][  T995] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  298.697487][  T995] R13: 0000000015f63910 R14: 0000000000000000 R15: 0000000000000003
| [  299.783789][ T1026] ------------[ cut here ]------------
| [ 299.784104][ T1026] WARNING: CPU: 3 PID: 1026 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  299.784517][ T1026] Modules linked in: netdevsim
| [  299.785185][ T1026] Tainted: [W]=WARN
[  299.785366][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 299.785651][ T1026] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.785946][ T1026] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  299.786767][ T1026] RSP: 0018:ffffc90001f671e8 EFLAGS: 00010246
[  299.787110][ T1026] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  299.787482][ T1026] RDX: 0000000000000000 RSI: ffff888004f1ac98 RDI: ffff88800ab7adc0
[  299.787827][ T1026] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  299.788200][ T1026] R10: ffffffffa1fec1e7 R11: ffff88800ab7a300 R12: 0000000000000000
[  299.788523][ T1026] R13: ffff888004f1a128 R14: ffff888004f1a008 R15: ffff888004f1a000
[  299.788880][ T1026] FS:  00007f703ad6e800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  299.789297][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  299.789672][ T1026] CR2: 00007f201c6d85a0 CR3: 00000000099b8002 CR4: 0000000000772ef0
[  299.790026][ T1026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  299.790389][ T1026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  299.790742][ T1026] PKRU: 55555554
[  299.790913][ T1026] Call Trace:
[  299.791113][ T1026]  <TASK>
[ 299.791224][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.791475][ T1026] ? __warn (kernel/panic.c:748) 
[ 299.791643][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.791865][ T1026] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 299.792102][ T1026] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 299.792271][ T1026] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 299.792497][ T1026] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 299.792709][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.792912][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 299.793118][ T1026] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 299.793374][ T1026] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 299.793616][ T1026] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 299.793843][ T1026] register_netdevice (net/core/dev.c:11003) 
[ 299.794118][ T1026] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 299.794345][ T1026] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 299.794599][ T1026] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 299.794910][ T1026] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 299.795239][ T1026] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 299.795555][ T1026] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 299.795857][ T1026] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 299.796176][ T1026] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 299.796475][ T1026] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 299.796722][ T1026] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 299.797029][ T1026] devlink_reload (net/devlink/dev.c:474) 
[ 299.797277][ T1026] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 299.797502][ T1026] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 299.797771][ T1026] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 299.797997][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.798291][ T1026] ? __nla_parse (lib/nlattr.c:732) 
[ 299.798506][ T1026] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 299.798824][ T1026] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 299.799249][ T1026] ? cap_capable (security/commoncap.c:131) 
[ 299.799487][ T1026] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 299.799715][ T1026] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 299.799972][ T1026] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 299.800202][ T1026] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 299.800469][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.800743][ T1026] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 299.801078][ T1026] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 299.801322][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 299.801543][ T1026] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 299.801758][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 299.802008][ T1026] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 299.802193][ T1026] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 299.802388][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 299.802597][ T1026] genl_rcv (net/netlink/genetlink.c:1220) 
[ 299.802752][ T1026] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 299.802964][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 299.803224][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 299.803439][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 299.803686][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 299.803920][ T1026] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 299.804177][ T1026] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 299.804415][ T1026] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 299.804641][ T1026] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 299.804886][ T1026] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 299.805131][ T1026] ? __sys_recvmsg (net/socket.c:2859) 
[ 299.805357][ T1026] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 299.805596][ T1026] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 299.805829][ T1026] __x64_sys_sendto (net/socket.c:2181) 
[ 299.806069][ T1026] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 299.806360][ T1026] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 299.806587][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  299.806882][ T1026] RIP: 0033:0x7f703af7aa4a
[ 299.807148][ T1026] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  299.807910][ T1026] RSP: 002b:00007fffe514e0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  299.808378][ T1026] RAX: ffffffffffffffda RBX: 000000002c857b00 RCX: 00007f703af7aa4a
[  299.808796][ T1026] RDX: 0000000000000038 RSI: 000000002c857b00 RDI: 0000000000000005
[  299.809171][ T1026] RBP: 000000002c857910 R08: 00007f703b11e200 R09: 000000000000000c
[  299.809536][ T1026] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  299.809863][ T1026] R13: 000000002c857910 R14: 0000000000000000 R15: 0000000000000003
| [  300.913711][ T1044] ------------[ cut here ]------------
| [ 300.913986][ T1044] WARNING: CPU: 0 PID: 1044 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  300.914430][ T1044] Modules linked in: netdevsim
| [  300.914992][ T1044] Tainted: [W]=WARN
[  300.915157][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 300.915401][ T1044] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.915713][ T1044] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  300.916396][ T1044] RSP: 0018:ffffc900020071e8 EFLAGS: 00010246
[  300.916675][ T1044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  300.916996][ T1044] RDX: 0000000000000000 RSI: ffff88800938ac98 RDI: ffff88800e8fd080
[  300.917294][ T1044] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  300.917596][ T1044] R10: ffffffffa1fec1e7 R11: ffff88800e8fc5c0 R12: 0000000000000000
[  300.917901][ T1044] R13: ffff88800938a128 R14: ffff88800938a008 R15: ffff88800938a000
[  300.918212][ T1044] FS:  00007f906c4c8800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  300.918552][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  300.918789][ T1044] CR2: 00007f906c878200 CR3: 0000000005c7a006 CR4: 0000000000772ef0
[  300.919084][ T1044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  300.919368][ T1044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  300.919683][ T1044] PKRU: 55555554
[  300.919829][ T1044] Call Trace:
[  300.919977][ T1044]  <TASK>
[ 300.920095][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.920292][ T1044] ? __warn (kernel/panic.c:748) 
[ 300.920440][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.920637][ T1044] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 300.920837][ T1044] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 300.920986][ T1044] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 300.921195][ T1044] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 300.921406][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.921599][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 300.921794][ T1044] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 300.922045][ T1044] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 300.922260][ T1044] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 300.922455][ T1044] register_netdevice (net/core/dev.c:11003) 
[ 300.922654][ T1044] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 300.922858][ T1044] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 300.923077][ T1044] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 300.923330][ T1044] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 300.923618][ T1044] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 300.923875][ T1044] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 300.924133][ T1044] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 300.924383][ T1044] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 300.924627][ T1044] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 300.924838][ T1044] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 300.925110][ T1044] devlink_reload (net/devlink/dev.c:474) 
[ 300.925308][ T1044] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 300.925508][ T1044] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 300.925794][ T1044] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 300.925996][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.926259][ T1044] ? __nla_parse (lib/nlattr.c:732) 
[ 300.926522][ T1044] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 300.926717][ T1044] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 300.926967][ T1044] ? cap_capable (security/commoncap.c:131) 
[ 300.927171][ T1044] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 300.927386][ T1044] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 300.927612][ T1044] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 300.927812][ T1044] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 300.928101][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.928340][ T1044] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 300.928599][ T1044] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 300.928795][ T1044] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 300.928990][ T1044] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 300.929201][ T1044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 300.929419][ T1044] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 300.929588][ T1044] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 300.929787][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 300.929990][ T1044] genl_rcv (net/netlink/genetlink.c:1220) 
[ 300.930152][ T1044] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 300.930351][ T1044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 300.930550][ T1044] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 300.930750][ T1044] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 300.930948][ T1044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 300.931145][ T1044] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 300.931338][ T1044] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 300.931570][ T1044] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 300.931767][ T1044] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 300.931969][ T1044] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 300.932182][ T1044] ? __sys_recvmsg (net/socket.c:2859) 
[ 300.932380][ T1044] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 300.932581][ T1044] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 300.932780][ T1044] __x64_sys_sendto (net/socket.c:2181) 
[ 300.932975][ T1044] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 300.933232][ T1044] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 300.933428][ T1044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  300.933663][ T1044] RIP: 0033:0x7f906c6d4a4a
[ 300.933859][ T1044] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  300.934545][ T1044] RSP: 002b:00007ffecf5f45d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  300.934832][ T1044] RAX: ffffffffffffffda RBX: 000000003e31eb00 RCX: 00007f906c6d4a4a
[  300.935124][ T1044] RDX: 0000000000000038 RSI: 000000003e31eb00 RDI: 0000000000000005
[  300.935423][ T1044] RBP: 000000003e31e910 R08: 00007f906c878200 R09: 000000000000000c
[  300.935736][ T1044] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  300.936015][ T1044] R13: 000000003e31e910 R14: 0000000000000000 R15: 0000000000000003
| [  304.540213][ T1136] ------------[ cut here ]------------
| [ 304.540484][ T1136] WARNING: CPU: 2 PID: 1136 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  304.540890][ T1136] Modules linked in: netdevsim
| [  304.541593][ T1136] Tainted: [W]=WARN
[  304.541759][ T1136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 304.542012][ T1136] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.542292][ T1136] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  304.542975][ T1136] RSP: 0018:ffffc900023571e8 EFLAGS: 00010246
[  304.543244][ T1136] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  304.543543][ T1136] RDX: 0000000000000000 RSI: ffff8880099f2c98 RDI: ffff8880090a8b00
[  304.543841][ T1136] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  304.544154][ T1136] R10: ffffffffa1fec1e7 R11: ffff8880090a8040 R12: 0000000000000000
[  304.544462][ T1136] R13: ffff8880099f2128 R14: ffff8880099f2008 R15: ffff8880099f2000
[  304.544778][ T1136] FS:  00007f8a00625800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  304.545142][ T1136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  304.545394][ T1136] CR2: 00007f8a009d5200 CR3: 000000000be1e001 CR4: 0000000000772ef0
[  304.545834][ T1136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  304.546304][ T1136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  304.546743][ T1136] PKRU: 55555554
[  304.547006][ T1136] Call Trace:
[  304.547281][ T1136]  <TASK>
[ 304.547474][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.547873][ T1136] ? __warn (kernel/panic.c:748) 
[ 304.548178][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.548414][ T1136] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 304.548651][ T1136] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 304.548817][ T1136] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 304.549023][ T1136] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 304.549395][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 304.549744][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 304.550114][ T1136] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 304.550522][ T1136] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 304.550889][ T1136] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 304.551246][ T1136] register_netdevice (net/core/dev.c:11003) 
[ 304.551592][ T1136] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 304.551945][ T1136] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 304.552320][ T1136] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 304.552737][ T1136] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 304.553190][ T1136] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 304.553632][ T1136] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 304.554083][ T1136] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 304.554497][ T1136] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 304.554900][ T1136] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 304.555246][ T1136] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 304.555675][ T1136] devlink_reload (net/devlink/dev.c:474) 
[ 304.556020][ T1136] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 304.556370][ T1136] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 304.556782][ T1136] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 304.557140][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 304.557541][ T1136] ? __nla_parse (lib/nlattr.c:732) 
[ 304.557901][ T1136] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 304.558267][ T1136] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 304.558711][ T1136] ? cap_capable (security/commoncap.c:131) 
[ 304.559065][ T1136] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 304.559396][ T1136] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 304.559736][ T1136] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 304.560094][ T1136] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 304.560502][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 304.560920][ T1136] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 304.561373][ T1136] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 304.561716][ T1136] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 304.562065][ T1136] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 304.562401][ T1136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 304.562754][ T1136] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 304.563016][ T1136] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 304.563364][ T1136] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 304.563710][ T1136] genl_rcv (net/netlink/genetlink.c:1220) 
[ 304.563963][ T1136] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 304.564311][ T1136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 304.564646][ T1136] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 304.564998][ T1136] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 304.565360][ T1136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 304.565680][ T1136] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 304.566008][ T1136] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 304.566360][ T1136] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 304.566691][ T1136] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 304.567032][ T1136] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 304.567376][ T1136] ? __sys_recvmsg (net/socket.c:2859) 
[ 304.567693][ T1136] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 304.568123][ T1136] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 304.568392][ T1136] __x64_sys_sendto (net/socket.c:2181) 
[ 304.568647][ T1136] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 304.568955][ T1136] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 304.569223][ T1136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  304.569536][ T1136] RIP: 0033:0x7f8a00831a4a
[ 304.569791][ T1136] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  304.570612][ T1136] RSP: 002b:00007ffcc229a1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  304.570981][ T1136] RAX: ffffffffffffffda RBX: 0000000023e10b00 RCX: 00007f8a00831a4a
[  304.571351][ T1136] RDX: 0000000000000038 RSI: 0000000023e10b00 RDI: 0000000000000005
[  304.571708][ T1136] RBP: 0000000023e10910 R08: 00007f8a009d5200 R09: 000000000000000c
[  304.572075][ T1136] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  304.572434][ T1136] R13: 0000000023e10910 R14: 0000000000000000 R15: 0000000000000003
| [  305.524952][ T1150] ------------[ cut here ]------------
| [ 305.525302][ T1150] WARNING: CPU: 2 PID: 1150 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  305.525758][ T1150] Modules linked in: netdevsim
| [  305.526402][ T1150] Tainted: [W]=WARN
[  305.526575][ T1150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 305.526843][ T1150] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.527138][ T1150] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  305.527889][ T1150] RSP: 0018:ffffc900024071e8 EFLAGS: 00010246
[  305.528180][ T1150] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  305.528494][ T1150] RDX: 0000000000000000 RSI: ffff8880090b2c98 RDI: ffff88800abb0b00
[  305.528815][ T1150] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  305.529140][ T1150] R10: ffffffffa1fec1e7 R11: ffff88800abb0040 R12: 0000000000000000
[  305.529494][ T1150] R13: ffff8880090b2128 R14: ffff8880090b2008 R15: ffff8880090b2000
[  305.529812][ T1150] FS:  00007fe21afe2800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  305.530209][ T1150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.530485][ T1150] CR2: 00007fe21b392200 CR3: 000000000e95c006 CR4: 0000000000772ef0
[  305.530804][ T1150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  305.531209][ T1150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  305.531522][ T1150] PKRU: 55555554
[  305.531693][ T1150] Call Trace:
[  305.531867][ T1150]  <TASK>
[ 305.531988][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.532225][ T1150] ? __warn (kernel/panic.c:748) 
[ 305.532420][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.532643][ T1150] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 305.532873][ T1150] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 305.533062][ T1150] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 305.533284][ T1150] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 305.533590][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.533817][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 305.534040][ T1150] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 305.534356][ T1150] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 305.534579][ T1150] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 305.534805][ T1150] register_netdevice (net/core/dev.c:11003) 
[ 305.535035][ T1150] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 305.535284][ T1150] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 305.535520][ T1150] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 305.535804][ T1150] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 305.536101][ T1150] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 305.536398][ T1150] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 305.536682][ T1150] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 305.536957][ T1150] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 305.537242][ T1150] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 305.537503][ T1150] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 305.537788][ T1150] devlink_reload (net/devlink/dev.c:474) 
[ 305.538034][ T1150] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 305.538299][ T1150] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 305.538581][ T1150] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 305.538803][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.539090][ T1150] ? __nla_parse (lib/nlattr.c:732) 
[ 305.539320][ T1150] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 305.539543][ T1150] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 305.539825][ T1150] ? cap_capable (security/commoncap.c:131) 
[ 305.540063][ T1150] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 305.540286][ T1150] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 305.540510][ T1150] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 305.540731][ T1150] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 305.540999][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.541281][ T1150] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 305.541605][ T1150] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 305.541827][ T1150] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 305.542078][ T1150] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 305.542301][ T1150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 305.542535][ T1150] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 305.542706][ T1150] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 305.542929][ T1150] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 305.543176][ T1150] genl_rcv (net/netlink/genetlink.c:1220) 
[ 305.543355][ T1150] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 305.543578][ T1150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 305.543799][ T1150] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 305.544027][ T1150] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 305.544263][ T1150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 305.544482][ T1150] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 305.544704][ T1150] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 305.544942][ T1150] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 305.545177][ T1150] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 305.545440][ T1150] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 305.545671][ T1150] ? __sys_recvmsg (net/socket.c:2859) 
[ 305.545892][ T1150] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 305.546151][ T1150] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 305.546381][ T1150] __x64_sys_sendto (net/socket.c:2181) 
[ 305.546597][ T1150] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 305.546872][ T1150] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 305.547107][ T1150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  305.547376][ T1150] RIP: 0033:0x7fe21b1eea4a
[ 305.547599][ T1150] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  305.548382][ T1150] RSP: 002b:00007ffc5fac8088 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  305.548703][ T1150] RAX: ffffffffffffffda RBX: 0000000017538b00 RCX: 00007fe21b1eea4a
[  305.549015][ T1150] RDX: 0000000000000038 RSI: 0000000017538b00 RDI: 0000000000000005
[  305.549336][ T1150] RBP: 0000000017538910 R08: 00007fe21b392200 R09: 000000000000000c
[  305.549688][ T1150] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  305.550004][ T1150] R13: 0000000017538910 R14: 0000000000000000 R15: 0000000000000003
| [  308.405213][ T1215] ------------[ cut here ]------------
| [ 308.405530][ T1215] WARNING: CPU: 3 PID: 1215 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) 
| [  308.406104][ T1215] Modules linked in: netdevsim
| [  308.406833][ T1215] Tainted: [W]=WARN
[  308.407012][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 308.407481][ T1215] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.407831][ T1215] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  308.408679][ T1215] RSP: 0018:ffffc900026371e8 EFLAGS: 00010246
[  308.408973][ T1215] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  308.409430][ T1215] RDX: 0000000000000000 RSI: ffff88800978ac98 RDI: ffff88800bde0b00
[  308.409772][ T1215] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  308.410208][ T1215] R10: ffffffffa1fec1e7 R11: ffff88800bde0040 R12: 0000000000000000
[  308.410524][ T1215] R13: ffff88800978a128 R14: ffff88800978a008 R15: ffff88800978a000
[  308.410836][ T1215] FS:  00007ff5977fc800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  308.411296][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  308.411554][ T1215] CR2: 00007ff597bac200 CR3: 000000000bff8002 CR4: 0000000000772ef0
[  308.411861][ T1215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  308.412314][ T1215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  308.412629][ T1215] PKRU: 55555554
[  308.412789][ T1215] Call Trace:
[  308.412957][ T1215]  <TASK>
[ 308.413085][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.413311][ T1215] ? __warn (kernel/panic.c:748) 
[ 308.413477][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.413698][ T1215] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 308.413929][ T1215] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 308.414107][ T1215] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 308.414337][ T1215] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 308.414583][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 308.414837][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 308.415137][ T1215] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 308.415493][ T1215] ? _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) 
[ 308.415765][ T1215] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 308.416030][ T1215] register_netdevice (net/core/dev.c:11003) 
[ 308.416281][ T1215] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 308.416526][ T1215] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 308.416785][ T1215] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 308.417131][ T1215] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 308.417465][ T1215] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 308.417783][ T1215] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 308.418087][ T1215] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 308.418340][ T1215] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 308.418615][ T1215] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 308.418825][ T1215] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 308.419132][ T1215] devlink_reload (net/devlink/dev.c:474) 
[ 308.419372][ T1215] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 308.419610][ T1215] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 308.419920][ T1215] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 308.420166][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 308.420418][ T1215] ? __nla_parse (lib/nlattr.c:732) 
[ 308.420639][ T1215] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 308.420860][ T1215] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 308.421153][ T1215] ? cap_capable (security/commoncap.c:131) 
[ 308.421346][ T1215] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 308.421561][ T1215] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 308.421764][ T1215] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 308.421976][ T1215] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 308.422312][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 308.422561][ T1215] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 308.422860][ T1215] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 308.423085][ T1215] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 308.423292][ T1215] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 308.423507][ T1215] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 308.423738][ T1215] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 308.423899][ T1215] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 308.424137][ T1215] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 308.424368][ T1215] genl_rcv (net/netlink/genetlink.c:1220) 
[ 308.424597][ T1215] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 308.424882][ T1215] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 308.425150][ T1215] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 308.425420][ T1215] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 308.425686][ T1215] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 308.425946][ T1215] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 308.426189][ T1215] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 308.426430][ T1215] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 308.426665][ T1215] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 308.426909][ T1215] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 308.427152][ T1215] ? __sys_recvmsg (net/socket.c:2859) 
[ 308.427394][ T1215] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 308.427654][ T1215] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 308.427920][ T1215] __x64_sys_sendto (net/socket.c:2181) 
[ 308.428135][ T1215] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 308.428383][ T1215] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 308.428582][ T1215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  308.428853][ T1215] RIP: 0033:0x7ff597a08a4a
[ 308.429118][ T1215] 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
[  308.429895][ T1215] RSP: 002b:00007fff08cdab08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  308.430226][ T1215] RAX: ffffffffffffffda RBX: 00000000400c8b00 RCX: 00007ff597a08a4a
[  308.430536][ T1215] RDX: 0000000000000038 RSI: 00000000400c8b00 RDI: 0000000000000005
[  308.430834][ T1215] RBP: 00000000400c8910 R08: 00007ff597bac200 R09: 000000000000000c
[  308.431174][ T1215] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  308.431479][ T1215] R13: 00000000400c8910 R14: 0000000000000000 R15: 0000000000000003
| [  309.964421][ T1245] ------------[ cut here ]------------
| [ 309.964723][ T1245] WARNING: CPU: 0 PID: 1245 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) 
| [  309.965430][ T1245] Modules linked in: netdevsim
| [  309.966246][ T1245] Tainted: [W]=WARN
[  309.966434][ T1245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 309.966733][ T1245] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 309.967074][ T1245] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  309.968259][ T1245] RSP: 0018:ffffc900027171e8 EFLAGS: 00010246
[  309.968687][ T1245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  309.969203][ T1245] RDX: 0000000000000000 RSI: ffff88800a2f2c98 RDI: ffff88800541adc0
[  309.969641][ T1245] RBP: ffff888004ff8040 R08: 0000000000000000 R09: fffffbfff43fd83c
[  309.970096][ T1245] R10: ffffffffa1fec1e7 R11: ffff88800541a300 R12: 0000000000000000
[  309.970595][ T1245] R13: ffff88800a2f2128 R14: ffff88800a2f2008 R15: ffff88800a2f2000
[  309.971104][ T1245] FS:  00007f82a1028800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  309.971679][ T1245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  309.972109][ T1245] CR2: 00007f82a13d8200 CR3: 000000000609e006 CR4: 0000000000772ef0
[  309.972611][ T1245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  309.973118][ T1245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  309.973618][ T1245] PKRU: 55555554
[  309.973871][ T1245] Call Trace:
[  309.974141][ T1245]  <TASK>
[ 309.974317][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 309.974660][ T1245] ? __warn (kernel/panic.c:748) 
[ 309.974917][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 309.975276][ T1245] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 309.975622][ T1245] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 309.975880][ T1245] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 309.976233][ T1245] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 309.976503][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 309.976818][ T1245] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 309.977185][ T1245] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 309.977523][ T1245] ? _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) 
[ 309.977802][ T1245] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 309.978156][ T1245] register_netdevice (net/core/dev.c:11003) 
[ 309.978500][ T1245] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 309.978866][ T1245] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 309.979257][ T1245] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 309.979699][ T1245] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 309.980012][ T1245] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 309.980409][ T1245] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 309.980811][ T1245] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 309.981258][ T1245] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 309.981689][ T1245] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 309.982144][ T1245] devlink_reload (net/devlink/dev.c:474) 
[ 309.982489][ T1245] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 309.982832][ T1245] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 309.983284][ T1245] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 309.983625][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 309.984044][ T1245] ? __nla_parse (lib/nlattr.c:732) 
[ 309.984424][ T1245] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 309.984772][ T1245] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 309.985232][ T1245] ? cap_capable (security/commoncap.c:131) 
[ 309.985562][ T1245] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 309.985907][ T1245] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 309.986260][ T1245] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 309.986595][ T1245] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 309.987009][ T1245] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 309.987438][ T1245] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 309.987886][ T1245] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 309.988249][ T1245] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 309.988583][ T1245] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 309.988921][ T1245] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 309.989307][ T1245] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 309.989566][ T1245] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 309.989906][ T1245] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 309.990276][ T1245] genl_rcv (net/netlink/genetlink.c:1220) 
[ 309.990533][ T1245] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 309.990868][ T1245] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 309.991237][ T1245] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 309.991598][ T1245] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 309.991946][ T1245] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 309.992289][ T1245] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 309.992628][ T1245] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 309.992980][ T1245] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 309.993329][ T1245] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 309.993680][ T1245] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 309.994033][ T1245] ? __sys_recvmsg (net/socket.c:2859) 
[ 309.994377][ T1245] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 309.994735][ T1245] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 309.995104][ T1245] __x64_sys_sendto (net/socket.c:2181) 
[ 309.995443][ T1245] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 309.995857][ T1245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 309.996216][ T1245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  309.996628][ T1245] RIP: 0033:0x7f82a1234a4a
[ 309.996975][ T1245] 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
[  309.998124][ T1245] RSP: 002b:00007ffe6b1fa5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  309.998644][ T1245] RAX: ffffffffffffffda RBX: 000000001378fb00 RCX: 00007f82a1234a4a
[  309.999149][ T1245] RDX: 0000000000000038 RSI: 000000001378fb00 RDI: 0000000000000005
[  309.999636][ T1245] RBP: 000000001378f910 R08: 00007f82a13d8200 R09: 000000000000000c
[  310.000143][ T1245] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  310.000645][ T1245] R13: 000000001378f910 R14: 0000000000000000 R15: 0000000000000003
| [  310.344340][   T11] ------------[ cut here ]------------
| [ 310.344853][ T11] WARNING: CPU: 3 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  310.345429][   T11] Modules linked in: netdevsim
| [  310.346282][   T11] Tainted: [W]=WARN
[  310.346531][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  310.346871][   T11] Workqueue: netns cleanup_net
[ 310.347205][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 310.347554][ T11] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  310.348537][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[  310.348889][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  310.349314][   T11] RDX: 0000000000000000 RSI: ffff888004f1ac98 RDI: ffff888001a82e10
[  310.349728][   T11] RBP: ffffffffa4123440 R08: 0000000000000000 R09: fffffbfff43fd83c
[  310.350149][   T11] R10: ffffffffa1fec1e7 R11: ffff888001a82300 R12: 0000000000000000
[  310.350566][   T11] R13: ffff888004f1a128 R14: ffff888004f1a008 R15: ffff888004f1a000
[  310.350979][   T11] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  310.351527][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  310.351883][   T11] CR2: 00007f7a48234000 CR3: 0000000023528006 CR4: 0000000000772ef0
[  310.352319][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  310.352743][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  310.353155][   T11] PKRU: 55555554
[  310.353358][   T11] Call Trace:
[  310.353834][   T11]  <TASK>
[ 310.353990][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 310.354285][ T11] ? __warn (kernel/panic.c:748) 
[ 310.354507][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 310.354785][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 310.355093][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 310.355309][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 310.355587][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 310.355884][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 310.356189][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 310.356551][ T11] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 310.356837][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 310.357130][ T11] register_netdevice (net/core/dev.c:11003) 
[ 310.357420][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 310.357716][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 310.358025][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 310.358412][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 310.358786][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 310.359166][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 310.359526][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 310.359879][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 310.360272][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 310.360561][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 310.360846][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 310.361157][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 310.361439][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 310.361808][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 310.362104][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 310.362393][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 310.362672][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 310.362960][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 310.363252][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 310.363545][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 310.363842][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 310.364138][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 310.364444][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 310.364730][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 310.365016][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 310.365332][ T11] kthread (kernel/kthread.c:464) 
[ 310.365567][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 310.365871][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 310.366166][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 310.366447][ T11] ? __pfx_kthread (kernel/kthread.c:413) 


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