======================================
| 0
| xx__-> [   10.233347][  T229] ------------[ cut here ]------------
| [ 10.233831][ T229] WARNING: CPU: 2 PID: 229 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.234345][  T229] Modules linked in: netdevsim
[   10.235026][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.235348][ T229] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.235659][ T229] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.236467][  T229] RSP: 0018:ffffc90000817520 EFLAGS: 00010246
[   10.236774][  T229] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.237157][  T229] RDX: 0000000000000000 RSI: ffff88800521ac98 RDI: ffff8880058f8b78
[   10.237886][  T229] RBP: ffffffff9db23440 R08: 0000000000000000 R09: fffffbfff373d83c
[   10.238327][  T229] R10: ffffffff9b9ec1e7 R11: ffff8880058f8040 R12: 0000000000000000
[   10.238680][  T229] R13: ffff88800521a128 R14: ffff88800521a008 R15: ffff88800521a000
[   10.239041][  T229] FS:  00007f1e0180f740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   10.239469][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.239778][  T229] CR2: 000055fe57709ac8 CR3: 0000000009fe4003 CR4: 0000000000772ef0
[   10.240143][  T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.240496][  T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.240859][  T229] PKRU: 55555554
[   10.241060][  T229] Call Trace:
[   10.241250][  T229]  <TASK>
[ 10.241390][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.241638][ T229] ? __warn (kernel/panic.c:748) 
[ 10.241831][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.242086][ T229] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.242338][ T229] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.242527][ T229] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.242765][ T229] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.243033][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.243300][ T229] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.243613][ T229] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.243850][ T229] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.244100][ T229] register_netdevice (net/core/dev.c:11003) 
[ 10.244339][ T229] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.244587][ T229] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.244850][ T229] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.245162][ T229] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.245344][ T229] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.245646][ T229] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.245932][ T229] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.246243][ T229] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.246495][ T229] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.246779][ T229] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.247011][ T229] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 10.247201][ T229] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.247440][ T229] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.247685][ T229] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.247914][ T229] driver_probe_device (drivers/base/dd.c:830) 
[ 10.248153][ T229] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.248383][ T229] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.248683][ T229] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.248921][ T229] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.249156][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.249387][ T229] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.249709][ T229] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.249951][ T229] __device_attach (drivers/base/dd.c:1030) 
[ 10.250190][ T229] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.250417][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.250646][ T229] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 10.250890][ T229] bus_probe_device (drivers/base/bus.c:537) 
[ 10.251134][ T229] device_add (drivers/base/core.c:3672) 
[ 10.251382][ T229] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.251610][ T229] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.251854][ T229] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.252156][ T229] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.252453][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.252682][ T229] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.252922][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.253171][ T229] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.253409][ T229] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.253595][ T229] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.253830][ T229] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.254049][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.254293][ T229] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.254520][ T229] ksys_write (fs/read_write.c:731) 
[ 10.254697][ T229] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.254924][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.255168][ T229] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.255400][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.255682][  T229] RIP: 0033:0x7f1e01950b77
[ 10.255929][ T229] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   10.256703][  T229] RSP: 002b:00007fff10779a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.257044][  T229] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e01950b77
[   10.257376][  T229] RDX: 0000000000000007 RSI: 000055fe57708ac0 RDI: 0000000000000001
[   10.257701][  T229] RBP: 000055fe57708ac0 R08: 0000000000000003 R09: 0000000000000077
[   10.258025][  T229] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   10.258354][  T229] R13: 00007f1e01a0c760 R14: 0000000000000007 R15: 00007f1e01a079c0
| [   10.500344][  T255] ------------[ cut here ]------------
| [ 10.500687][ T255] WARNING: CPU: 2 PID: 255 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.501645][  T255] Modules linked in: netdevsim
| [   10.502274][  T255] Tainted: [W]=WARN
[   10.502475][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.502732][ T255] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.503003][ T255] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.503723][  T255] RSP: 0018:ffffc90000b371e8 EFLAGS: 00010246
[   10.503991][  T255] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.504301][  T255] RDX: 0000000000000000 RSI: ffff8880050f2c98 RDI: ffff8880059d8b00
[   10.504616][  T255] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   10.504930][  T255] R10: ffffffff9b9ec1e7 R11: ffff8880059d8040 R12: 0000000000000000
[   10.505245][  T255] R13: ffff8880050f2128 R14: ffff8880050f2008 R15: ffff8880050f2000
[   10.505548][  T255] FS:  00007f340e02c800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   10.505899][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.506173][  T255] CR2: 00007f340e16b440 CR3: 0000000006348005 CR4: 0000000000772ef0
[   10.506478][  T255] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.506784][  T255] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.507098][  T255] PKRU: 55555554
[   10.507256][  T255] Call Trace:
[   10.507425][  T255]  <TASK>
[ 10.507543][ T255] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.507756][ T255] ? __warn (kernel/panic.c:748) 
[ 10.507933][ T255] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.508148][ T255] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.508374][ T255] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.508537][ T255] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.508762][ T255] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.508987][ T255] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.509217][ T255] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.509426][ T255] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.509702][ T255] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.509926][ T255] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.510155][ T255] register_netdevice (net/core/dev.c:11003) 
[ 10.510399][ T255] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.510637][ T255] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.510860][ T255] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.511136][ T255] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.511402][ T255] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.511671][ T255] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.511933][ T255] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.512214][ T255] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.512478][ T255] devlink_reload (net/devlink/dev.c:474) 
[ 10.512701][ T255] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.512904][ T255] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.513147][ T255] ? cap_capable (security/commoncap.c:131) 
[ 10.513352][ T255] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.513525][ T255] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.513743][ T255] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.514000][ T255] ? __nla_parse (lib/nlattr.c:732) 
[ 10.514229][ T255] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.514439][ T255] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.514712][ T255] ? cap_capable (security/commoncap.c:131) 
[ 10.514925][ T255] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.515161][ T255] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.515374][ T255] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.515594][ T255] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.515856][ T255] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.516129][ T255] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.516406][ T255] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.516638][ T255] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.516856][ T255] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.517089][ T255] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.517321][ T255] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.517492][ T255] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.517712][ T255] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.517938][ T255] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.518117][ T255] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.518339][ T255] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.518563][ T255] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.518789][ T255] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.519013][ T255] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.519237][ T255] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.519460][ T255] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.519687][ T255] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.519909][ T255] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.520132][ T255] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.520360][ T255] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.520601][ T255] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.520823][ T255] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.521094][ T255] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.521316][ T255] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.521587][ T255] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.521814][ T255] __x64_sys_sendto (net/socket.c:2181) 
[ 10.522033][ T255] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.522317][ T255] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.522539][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.522811][  T255] RIP: 0033:0x7f340e238a4a
[ 10.523069][ T255] Code: Unable to access opcode bytes at 0x7f340e238a20.

Code starting with the faulting instruction
===========================================
[   10.523426][  T255] RSP: 002b:00007fff1b0af188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.523726][  T255] RAX: ffffffffffffffda RBX: 000000003806bb00 RCX: 00007f340e238a4a
[   10.524027][  T255] RDX: 0000000000000040 RSI: 000000003806bb00 RDI: 0000000000000005
[   10.524388][  T255] RBP: 000000003806b910 R08: 00007f340e3dc200 R09: 000000000000000c
[   10.524710][  T255] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.525030][  T255] R13: 000000003806b910 R14: 0000000000000000 R15: 0000000000000001
| [   11.511531][  T284] ------------[ cut here ]------------
| [ 11.511863][ T284] WARNING: CPU: 3 PID: 284 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) 
| [   11.512288][  T284] Modules linked in: netdevsim
| [   11.512855][  T284] Tainted: [W]=WARN
[   11.513022][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.513306][ T284] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.513566][ T284] 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
[   11.514384][  T284] RSP: 0018:ffffc900006271e8 EFLAGS: 00010246
[   11.514669][  T284] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.514969][  T284] RDX: 0000000000000000 RSI: ffff88800be22c98 RDI: ffff88800ad95080
[   11.515367][  T284] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   11.515668][  T284] R10: ffffffff9b9ec1e7 R11: ffff88800ad945c0 R12: 0000000000000000
[   11.515971][  T284] R13: ffff88800be22128 R14: ffff88800be22008 R15: ffff88800be22000
[   11.516368][  T284] FS:  00007fdc39f8f800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   11.516711][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.516959][  T284] CR2: 00007fdc3a33f200 CR3: 0000000002340005 CR4: 0000000000772ef0
[   11.517362][  T284] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.517656][  T284] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.517968][  T284] PKRU: 55555554
[   11.518209][  T284] Call Trace:
[   11.518364][  T284]  <TASK>
[ 11.518468][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.518673][ T284] ? __warn (kernel/panic.c:748) 
[ 11.518833][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.519036][ T284] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.519336][ T284] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.519509][ T284] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.519711][ T284] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.519923][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.520178][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.520391][ T284] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.520647][ T284] ? _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) 
[ 11.520857][ T284] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.521098][ T284] register_netdevice (net/core/dev.c:11003) 
[ 11.521311][ T284] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.521525][ T284] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.521748][ T284] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.522010][ T284] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.522293][ T284] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.522561][ T284] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.522822][ T284] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.523095][ T284] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.523358][ T284] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 11.523558][ T284] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 11.523824][ T284] devlink_reload (net/devlink/dev.c:474) 
[ 11.524036][ T284] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.524264][ T284] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 11.524525][ T284] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.524732][ T284] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.524988][ T284] ? __nla_parse (lib/nlattr.c:732) 
[ 11.525233][ T284] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.525444][ T284] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.525709][ T284] ? cap_capable (security/commoncap.c:131) 
[ 11.525916][ T284] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.526141][ T284] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.526350][ T284] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.526556][ T284] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.526806][ T284] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.527065][ T284] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.527330][ T284] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.527534][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.527736][ T284] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.527943][ T284] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.528174][ T284] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.528327][ T284] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.528538][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.528752][ T284] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.528905][ T284] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.529144][ T284] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.529350][ T284] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.529563][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.529773][ T284] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.529977][ T284] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.530196][ T284] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.530409][ T284] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.530618][ T284] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.530831][ T284] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.531041][ T284] ? __sys_recvmsg (net/socket.c:2859) 
[ 11.531255][ T284] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 11.531473][ T284] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 11.531683][ T284] __x64_sys_sendto (net/socket.c:2181) 
[ 11.531887][ T284] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.532154][ T284] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.532360][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.532613][  T284] RIP: 0033:0x7fdc3a19ba4a
[ 11.532823][ T284] 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
[   11.533560][  T284] RSP: 002b:00007ffefeea2488 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.533869][  T284] RAX: ffffffffffffffda RBX: 0000000014823b00 RCX: 00007fdc3a19ba4a
[   11.534185][  T284] RDX: 0000000000000038 RSI: 0000000014823b00 RDI: 0000000000000005
[   11.534487][  T284] RBP: 0000000014823910 R08: 00007fdc3a33f200 R09: 000000000000000c
[   11.534789][  T284] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.535107][  T284] R13: 0000000014823910 R14: 0000000000000000 R15: 0000000000000003
| [   12.174604][  T294] ------------[ cut here ]------------
| [ 12.174854][ T294] WARNING: CPU: 1 PID: 294 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) 
| [   12.175259][  T294] Modules linked in: netdevsim
| [   12.175812][  T294] Tainted: [W]=WARN
[   12.175957][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.176236][ T294] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.176486][ T294] 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
[   12.177157][  T294] RSP: 0018:ffffc900006871e8 EFLAGS: 00010246
[   12.177394][  T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.177671][  T294] RDX: 0000000000000000 RSI: ffff8880024aac98 RDI: ffff88800529adc0
[   12.177948][  T294] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   12.178235][  T294] R10: ffffffff9b9ec1e7 R11: ffff88800529a300 R12: 0000000000000000
[   12.178519][  T294] R13: ffff8880024aa128 R14: ffff8880024aa008 R15: ffff8880024aa000
[   12.178829][  T294] FS:  00007fa915797800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   12.179168][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.179403][  T294] CR2: 00007fa915b47200 CR3: 0000000004eaa002 CR4: 0000000000772ef0
[   12.179691][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.179971][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.180273][  T294] PKRU: 55555554
[   12.180421][  T294] Call Trace:
[   12.180566][  T294]  <TASK>
[ 12.180666][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.180859][ T294] ? __warn (kernel/panic.c:748) 
[ 12.181021][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.181239][ T294] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.181445][ T294] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.181593][ T294] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.181783][ T294] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.181985][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.182186][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.182387][ T294] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.182628][ T294] ? _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) 
[ 12.182824][ T294] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.183027][ T294] register_netdevice (net/core/dev.c:11003) 
[ 12.183241][ T294] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.183441][ T294] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.183690][ T294] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.183938][ T294] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.184220][ T294] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.184470][ T294] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.184715][ T294] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.184954][ T294] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.185214][ T294] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 12.185405][ T294] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 12.185651][ T294] devlink_reload (net/devlink/dev.c:474) 
[ 12.185846][ T294] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.186047][ T294] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 12.186303][ T294] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.186502][ T294] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.186738][ T294] ? __nla_parse (lib/nlattr.c:732) 
[ 12.186937][ T294] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.187140][ T294] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.187393][ T294] ? cap_capable (security/commoncap.c:131) 
[ 12.187583][ T294] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.187788][ T294] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.187983][ T294] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.188198][ T294] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.188431][ T294] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.188694][ T294] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.188942][ T294] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.189151][ T294] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.189352][ T294] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.189553][ T294] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.189756][ T294] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.189899][ T294] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.190102][ T294] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.190303][ T294] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.190445][ T294] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.190654][ T294] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.190850][ T294] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.191063][ T294] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.191259][ T294] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.191446][ T294] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.191639][ T294] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.191840][ T294] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.192035][ T294] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.192258][ T294] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 12.192459][ T294] ? __sys_recvmsg (net/socket.c:2859) 
[ 12.192650][ T294] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 12.192850][ T294] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 12.193077][ T294] __x64_sys_sendto (net/socket.c:2181) 
[ 12.193268][ T294] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.193502][ T294] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.193724][ T294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.193969][  T294] RIP: 0033:0x7fa9159a3a4a
[ 12.194180][ T294] 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
[   12.194871][  T294] RSP: 002b:00007ffe7f0ccec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.195170][  T294] RAX: ffffffffffffffda RBX: 000000001d999b00 RCX: 00007fa9159a3a4a
[   12.195457][  T294] RDX: 0000000000000038 RSI: 000000001d999b00 RDI: 0000000000000005
[   12.195738][  T294] RBP: 000000001d999910 R08: 00007fa915b47200 R09: 000000000000000c
[   12.196103][  T294] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.196577][  T294] R13: 000000001d999910 R14: 0000000000000000 R15: 0000000000000003
| [   13.889438][  T339] ------------[ cut here ]------------
| [ 13.889681][ T339] WARNING: CPU: 3 PID: 339 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) 
| [   13.890104][  T339] Modules linked in: netdevsim
| [   13.890686][  T339] Tainted: [W]=WARN
[   13.890840][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.891098][ T339] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.891358][ T339] 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
[   13.892072][  T339] RSP: 0018:ffffc900008471e8 EFLAGS: 00010246
[   13.892333][  T339] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.892636][  T339] RDX: 0000000000000000 RSI: ffff88800518ac98 RDI: ffff88800ad2adc0
[   13.892935][  T339] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   13.893266][  T339] R10: ffffffff9b9ec1e7 R11: ffff88800ad2a300 R12: 0000000000000000
[   13.893576][  T339] R13: ffff88800518a128 R14: ffff88800518a008 R15: ffff88800518a000
[   13.893881][  T339] FS:  00007f901f8b6800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   13.894251][  T339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.894517][  T339] CR2: 00007f62e446026f CR3: 000000000bdbe001 CR4: 0000000000772ef0
[   13.894830][  T339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.895153][  T339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.895470][  T339] PKRU: 55555554
[   13.895630][  T339] Call Trace:
[   13.895788][  T339]  <TASK>
[ 13.895899][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.896119][ T339] ? __warn (kernel/panic.c:748) 
[ 13.896285][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.896500][ T339] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.896722][ T339] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.896883][ T339] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.897103][ T339] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.897326][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.897539][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.897754][ T339] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.898015][ T339] ? _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) 
[ 13.898237][ T339] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.898445][ T339] register_netdevice (net/core/dev.c:11003) 
[ 13.898657][ T339] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.898872][ T339] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.899104][ T339] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.899369][ T339] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.899634][ T339] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.899898][ T339] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.900175][ T339] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.900433][ T339] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.900685][ T339] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.900888][ T339] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.901161][ T339] devlink_reload (net/devlink/dev.c:474) 
[ 13.901371][ T339] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.901577][ T339] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.901836][ T339] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.902041][ T339] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.902303][ T339] ? __nla_parse (lib/nlattr.c:732) 
[ 13.902522][ T339] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.902732][ T339] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.903006][ T339] ? cap_capable (security/commoncap.c:131) 
[ 13.903221][ T339] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.903434][ T339] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.903645][ T339] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.903851][ T339] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.904112][ T339] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.904363][ T339] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.904631][ T339] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.904838][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.905041][ T339] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.905259][ T339] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.905480][ T339] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.905636][ T339] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.905841][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.906060][ T339] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.906216][ T339] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.906422][ T339] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.906624][ T339] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.906839][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.907063][ T339] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.907268][ T339] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.907474][ T339] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.907694][ T339] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.907903][ T339] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.908125][ T339] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 13.908334][ T339] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.908539][ T339] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.908750][ T339] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.908957][ T339] __x64_sys_sendto (net/socket.c:2181) 
[ 13.909169][ T339] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.909435][ T339] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.909641][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.909890][  T339] RIP: 0033:0x7f901fac2a4a
[ 13.910110][ T339] 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
[   13.910805][  T339] RSP: 002b:00007ffd29736a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.911123][  T339] RAX: ffffffffffffffda RBX: 0000000017570b00 RCX: 00007f901fac2a4a
[   13.911419][  T339] RDX: 0000000000000038 RSI: 0000000017570b00 RDI: 0000000000000005
[   13.911718][  T339] RBP: 0000000017570910 R08: 00007f901fc66200 R09: 000000000000000c
[   13.912013][  T339] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.912320][  T339] R13: 0000000017570910 R14: 0000000000000000 R15: 0000000000000003
| [   14.623406][  T350] ------------[ cut here ]------------
| [ 14.623668][ T350] WARNING: CPU: 0 PID: 350 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) 
| [   14.624084][  T350] Modules linked in: netdevsim
| [   14.624655][  T350] Tainted: [W]=WARN
[   14.624817][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.625094][ T350] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.625352][ T350] 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
[   14.626048][  T350] RSP: 0018:ffffc900008871e8 EFLAGS: 00010246
[   14.626338][  T350] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   14.626638][  T350] RDX: 0000000000000000 RSI: ffff88800521ac98 RDI: ffff88800ad2d080
[   14.626935][  T350] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   14.627331][  T350] R10: ffffffff9b9ec1e7 R11: ffff88800ad2c5c0 R12: 0000000000000000
[   14.627633][  T350] R13: ffff88800521a128 R14: ffff88800521a008 R15: ffff88800521a000
[   14.627932][  T350] FS:  00007fbbc3e94800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   14.628368][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.628621][  T350] CR2: 00007f62e43135a0 CR3: 00000000052d4002 CR4: 0000000000772ef0
[   14.628921][  T350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.629242][  T350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.629540][  T350] PKRU: 55555554
[   14.629692][  T350] Call Trace:
[   14.629844][  T350]  <TASK>
[ 14.629947][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.630176][ T350] ? __warn (kernel/panic.c:748) 
[ 14.630334][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.630543][ T350] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 14.630749][ T350] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 14.630911][ T350] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 14.631122][ T350] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 14.631335][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.631536][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 14.631743][ T350] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 14.632000][ T350] ? _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) 
[ 14.632221][ T350] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 14.632428][ T350] register_netdevice (net/core/dev.c:11003) 
[ 14.632636][ T350] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 14.632848][ T350] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 14.633087][ T350] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 14.633355][ T350] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 14.633619][ T350] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 14.633884][ T350] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 14.634173][ T350] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 14.634435][ T350] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 14.634695][ T350] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 14.634902][ T350] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 14.635181][ T350] devlink_reload (net/devlink/dev.c:474) 
[ 14.635391][ T350] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 14.635596][ T350] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 14.635855][ T350] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 14.636072][ T350] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.636329][ T350] ? __nla_parse (lib/nlattr.c:732) 
[ 14.636540][ T350] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 14.636745][ T350] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 14.637012][ T350] ? cap_capable (security/commoncap.c:131) 
[ 14.637225][ T350] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 14.637488][ T350] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 14.637693][ T350] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 14.637905][ T350] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 14.638180][ T350] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.638435][ T350] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 14.638696][ T350] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 14.638900][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 14.639119][ T350] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 14.639327][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 14.639547][ T350] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 14.639702][ T350] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 14.639907][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 14.640131][ T350] genl_rcv (net/netlink/genetlink.c:1220) 
[ 14.640284][ T350] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 14.640490][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 14.640694][ T350] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 14.640908][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 14.641130][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 14.641333][ T350] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 14.641538][ T350] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 14.641748][ T350] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 14.642042][ T350] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 14.642287][ T350] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 14.642506][ T350] ? __sys_recvmsg (net/socket.c:2859) 
[ 14.642714][ T350] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 14.642927][ T350] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 14.643157][ T350] __x64_sys_sendto (net/socket.c:2181) 
[ 14.643359][ T350] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 14.643610][ T350] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 14.643818][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.644080][  T350] RIP: 0033:0x7fbbc40a0a4a
[ 14.644294][ T350] 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
[   14.644989][  T350] RSP: 002b:00007fff34b00bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.645306][  T350] RAX: ffffffffffffffda RBX: 000000003b46db00 RCX: 00007fbbc40a0a4a
[   14.645621][  T350] RDX: 0000000000000038 RSI: 000000003b46db00 RDI: 0000000000000005
[   14.645936][  T350] RBP: 000000003b46d910 R08: 00007fbbc4244200 R09: 000000000000000c
[   14.646277][  T350] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   14.646598][  T350] R13: 000000003b46d910 R14: 0000000000000000 R15: 0000000000000003
| [   16.583954][  T411] ------------[ cut here ]------------
| [ 16.584304][ T411] WARNING: CPU: 0 PID: 411 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) 
| [   16.584693][  T411] Modules linked in: netdevsim
| [   16.585270][  T411] Tainted: [W]=WARN
[   16.585421][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.585659][ T411] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.585909][ T411] 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
[   16.586601][  T411] RSP: 0018:ffffc90000ba71e8 EFLAGS: 00010246
[   16.586848][  T411] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.587150][  T411] RDX: 0000000000000000 RSI: ffff8880024b2c98 RDI: ffff88800d955080
[   16.587445][  T411] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   16.587737][  T411] R10: ffffffff9b9ec1e7 R11: ffff88800d9545c0 R12: 0000000000000000
[   16.588028][  T411] R13: ffff8880024b2128 R14: ffff8880024b2008 R15: ffff8880024b2000
[   16.588417][  T411] FS:  00007fb77b4ce800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   16.588755][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.588995][  T411] CR2: 00007fb77b87e200 CR3: 000000000a470006 CR4: 0000000000772ef0
[   16.589352][  T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.589646][  T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.589926][  T411] PKRU: 55555554
[   16.590084][  T411] Call Trace:
[   16.590229][  T411]  <TASK>
[ 16.590331][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.590522][ T411] ? __warn (kernel/panic.c:748) 
[ 16.590673][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.590869][ T411] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.591083][ T411] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.591232][ T411] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.591425][ T411] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.591636][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.591832][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.592033][ T411] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.592294][ T411] ? _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) 
[ 16.592493][ T411] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.592690][ T411] register_netdevice (net/core/dev.c:11003) 
[ 16.592888][ T411] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.593125][ T411] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.593335][ T411] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.593586][ T411] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.593841][ T411] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.594110][ T411] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.594359][ T411] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.594612][ T411] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.594853][ T411] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.595043][ T411] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.595315][ T411] devlink_reload (net/devlink/dev.c:474) 
[ 16.595532][ T411] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.595734][ T411] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.595984][ T411] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.596201][ T411] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.596453][ T411] ? __nla_parse (lib/nlattr.c:732) 
[ 16.596660][ T411] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.596858][ T411] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.597134][ T411] ? cap_capable (security/commoncap.c:131) 
[ 16.597331][ T411] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.597532][ T411] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.597729][ T411] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.597925][ T411] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.598175][ T411] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.598416][ T411] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.598670][ T411] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.598868][ T411] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.599078][ T411] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.599278][ T411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.599487][ T411] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.599634][ T411] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.599832][ T411] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.600035][ T411] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.600195][ T411] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.600392][ T411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.600588][ T411] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.600789][ T411] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.600996][ T411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.601202][ T411] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.601409][ T411] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.601611][ T411] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.601808][ T411] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.602007][ T411] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.602217][ T411] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.602418][ T411] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.602617][ T411] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.602815][ T411] __x64_sys_sendto (net/socket.c:2181) 
[ 16.603077][ T411] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.603321][ T411] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.603514][ T411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.603752][  T411] RIP: 0033:0x7fb77b6daa4a
[ 16.603949][ T411] 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
[   16.604630][  T411] RSP: 002b:00007ffc2977e418 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.604917][  T411] RAX: ffffffffffffffda RBX: 0000000029732b00 RCX: 00007fb77b6daa4a
[   16.605216][  T411] RDX: 0000000000000038 RSI: 0000000029732b00 RDI: 0000000000000005
[   16.605500][  T411] RBP: 0000000029732910 R08: 00007fb77b87e200 R09: 000000000000000c
[   16.605785][  T411] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.606079][  T411] R13: 0000000029732910 R14: 0000000000000000 R15: 0000000000000003
| [   17.268977][  T422] ------------[ cut here ]------------
| [ 17.269299][ T422] WARNING: CPU: 3 PID: 422 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) 
| [   17.269682][  T422] Modules linked in: netdevsim
| [   17.270242][  T422] Tainted: [W]=WARN
[   17.270390][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.270627][ T422] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.270873][ T422] 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
[   17.271546][  T422] RSP: 0018:ffffc90000c471e8 EFLAGS: 00010246
[   17.271789][  T422] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   17.272076][  T422] RDX: 0000000000000000 RSI: ffff8880050f2c98 RDI: ffff8880058fd080
[   17.272354][  T422] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   17.272634][  T422] R10: ffffffff9b9ec1e7 R11: ffff8880058fc5c0 R12: 0000000000000000
[   17.272908][  T422] R13: ffff8880050f2128 R14: ffff8880050f2008 R15: ffff8880050f2000
[   17.273225][  T422] FS:  00007f1bed2e5800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   17.273553][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.273793][  T422] CR2: 00007f62e43135a0 CR3: 000000000aa34001 CR4: 0000000000772ef0
[   17.274105][  T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   17.274394][  T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   17.274686][  T422] PKRU: 55555554
[   17.274834][  T422] Call Trace:
[   17.274987][  T422]  <TASK>
[ 17.275149][ T422] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.275348][ T422] ? __warn (kernel/panic.c:748) 
[ 17.275502][ T422] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.275694][ T422] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 17.275895][ T422] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 17.276040][ T422] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 17.276242][ T422] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 17.276446][ T422] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.276637][ T422] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 17.276836][ T422] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 17.277086][ T422] ? _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) 
[ 17.277287][ T422] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 17.277481][ T422] register_netdevice (net/core/dev.c:11003) 
[ 17.277675][ T422] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 17.277873][ T422] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 17.278101][ T422] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 17.278350][ T422] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 17.278603][ T422] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 17.278850][ T422] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 17.279109][ T422] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 17.279348][ T422] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 17.279588][ T422] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 17.279780][ T422] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 17.280026][ T422] devlink_reload (net/devlink/dev.c:474) 
[ 17.280232][ T422] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 17.280425][ T422] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 17.280669][ T422] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 17.280859][ T422] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.281106][ T422] ? __nla_parse (lib/nlattr.c:732) 
[ 17.281308][ T422] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 17.281502][ T422] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 17.281751][ T422] ? cap_capable (security/commoncap.c:131) 
[ 17.281940][ T422] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 17.282167][ T422] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 17.282359][ T422] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 17.282551][ T422] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 17.282785][ T422] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.283033][ T422] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 17.283293][ T422] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 17.283483][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 17.283671][ T422] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 17.283862][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 17.284074][ T422] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 17.284222][ T422] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 17.284415][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 17.284614][ T422] genl_rcv (net/netlink/genetlink.c:1220) 
[ 17.284756][ T422] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 17.284947][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 17.285147][ T422] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 17.285345][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 17.285538][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 17.285724][ T422] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 17.285913][ T422] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 17.286138][ T422] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 17.286331][ T422] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 17.286526][ T422] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 17.286721][ T422] ? __sys_recvmsg (net/socket.c:2859) 
[ 17.286909][ T422] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 17.287122][ T422] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 17.287315][ T422] __x64_sys_sendto (net/socket.c:2181) 
[ 17.287506][ T422] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 17.287739][ T422] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 17.287928][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.288168][  T422] RIP: 0033:0x7f1bed4f1a4a
[ 17.288363][ T422] 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
[   17.289016][  T422] RSP: 002b:00007fff5e04c658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   17.289307][  T422] RAX: ffffffffffffffda RBX: 00000000025dcb00 RCX: 00007f1bed4f1a4a
[   17.289584][  T422] RDX: 0000000000000038 RSI: 00000000025dcb00 RDI: 0000000000000005
[   17.289862][  T422] RBP: 00000000025dc910 R08: 00007f1bed695200 R09: 000000000000000c
[   17.290159][  T422] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   17.290440][  T422] R13: 00000000025dc910 R14: 0000000000000000 R15: 0000000000000003
| [   18.349702][  T454] ------------[ cut here ]------------
| [ 18.350073][ T454] WARNING: CPU: 3 PID: 454 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) 
| [   18.350491][  T454] Modules linked in: netdevsim
| [   18.351076][  T454] Tainted: [W]=WARN
[   18.351235][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.351496][ T454] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.351758][ T454] 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
[   18.352473][  T454] RSP: 0018:ffffc90000d971e8 EFLAGS: 00010246
[   18.352734][  T454] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.353068][  T454] RDX: 0000000000000000 RSI: ffff88800be22c98 RDI: ffff88800243adc0
[   18.353382][  T454] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   18.353683][  T454] R10: ffffffff9b9ec1e7 R11: ffff88800243a300 R12: 0000000000000000
[   18.353983][  T454] R13: ffff88800be22128 R14: ffff88800be22008 R15: ffff88800be22000
[   18.354300][  T454] FS:  00007f6733f83800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   18.354651][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.354907][  T454] CR2: 000055fe3e4addec CR3: 000000000da62004 CR4: 0000000000772ef0
[   18.355228][  T454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.355533][  T454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.355844][  T454] PKRU: 55555554
[   18.355999][  T454] Call Trace:
[   18.356166][  T454]  <TASK>
[ 18.356274][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.356477][ T454] ? __warn (kernel/panic.c:748) 
[ 18.356640][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.356847][ T454] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.357070][ T454] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.357228][ T454] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.357433][ T454] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.357652][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.357857][ T454] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.358081][ T454] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.358341][ T454] ? _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) 
[ 18.358550][ T454] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.358763][ T454] register_netdevice (net/core/dev.c:11003) 
[ 18.358972][ T454] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.359193][ T454] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.359418][ T454] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.359694][ T454] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.359964][ T454] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.360236][ T454] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.360500][ T454] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.360760][ T454] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.361020][ T454] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.361229][ T454] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.361507][ T454] devlink_reload (net/devlink/dev.c:474) 
[ 18.361718][ T454] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.361924][ T454] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.362196][ T454] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.362406][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.362664][ T454] ? __nla_parse (lib/nlattr.c:732) 
[ 18.362878][ T454] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.363111][ T454] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.363382][ T454] ? cap_capable (security/commoncap.c:131) 
[ 18.363594][ T454] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.363812][ T454] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.364020][ T454] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.364235][ T454] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.364485][ T454] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.364732][ T454] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.364994][ T454] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.365216][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.365418][ T454] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.365620][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.365836][ T454] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.365995][ T454] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.366213][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.366423][ T454] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.366577][ T454] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.366786][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.366992][ T454] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.367214][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.367421][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.367623][ T454] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.367825][ T454] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.368040][ T454] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.368265][ T454] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.368479][ T454] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.368686][ T454] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.368889][ T454] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.369115][ T454] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.369328][ T454] __x64_sys_sendto (net/socket.c:2181) 
[ 18.369530][ T454] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.369783][ T454] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.369988][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.370251][  T454] RIP: 0033:0x7f673418fa4a
[ 18.370461][ T454] 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
[   18.371183][  T454] RSP: 002b:00007ffce27153f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.371489][  T454] RAX: ffffffffffffffda RBX: 000000002f45fb00 RCX: 00007f673418fa4a
[   18.371787][  T454] RDX: 0000000000000038 RSI: 000000002f45fb00 RDI: 0000000000000005
[   18.372093][  T454] RBP: 000000002f45f910 R08: 00007f6734333200 R09: 000000000000000c
[   18.372394][  T454] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.372697][  T454] R13: 000000002f45f910 R14: 0000000000000000 R15: 0000000000000003
| [   19.300175][  T470] ------------[ cut here ]------------
| [ 19.300483][ T470] WARNING: CPU: 0 PID: 470 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) 
| [   19.300869][  T470] Modules linked in: netdevsim
| [   19.301446][  T470] Tainted: [W]=WARN
[   19.301590][  T470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.301826][ T470] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.302089][ T470] 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
[   19.302777][  T470] RSP: 0018:ffffc90000e171e8 EFLAGS: 00010246
[   19.303034][  T470] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   19.303354][  T470] RDX: 0000000000000000 RSI: ffff8880024aac98 RDI: ffff88800aba2dc0
[   19.303647][  T470] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[   19.303925][  T470] R10: ffffffff9b9ec1e7 R11: ffff88800aba2300 R12: 0000000000000000
[   19.304212][  T470] R13: ffff8880024aa128 R14: ffff8880024aa008 R15: ffff8880024aa000
[   19.304490][  T470] FS:  00007fe3381f4800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   19.304812][  T470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.305060][  T470] CR2: 00007f62e43135a0 CR3: 000000000dabe002 CR4: 0000000000772ef0
[   19.305339][  T470] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   19.305614][  T470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   19.305890][  T470] PKRU: 55555554
[   19.306031][  T470] Call Trace:
[   19.306194][  T470]  <TASK>
[ 19.306298][ T470] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.306489][ T470] ? __warn (kernel/panic.c:748) 
[ 19.306637][ T470] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.306825][ T470] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 19.307023][ T470] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 19.307183][ T470] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 19.307373][ T470] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 19.307574][ T470] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.307767][ T470] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 19.307959][ T470] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 19.308206][ T470] ? _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) 
[ 19.308402][ T470] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 19.308594][ T470] register_netdevice (net/core/dev.c:11003) 
[ 19.308787][ T470] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 19.308987][ T470] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 19.309208][ T470] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 19.309453][ T470] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 19.309703][ T470] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 19.309949][ T470] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 19.310212][ T470] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 19.310454][ T470] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 19.310692][ T470] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 19.310879][ T470] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 19.311137][ T470] devlink_reload (net/devlink/dev.c:474) 
[ 19.311332][ T470] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 19.311521][ T470] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 19.311772][ T470] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 19.311964][ T470] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.312208][ T470] ? __nla_parse (lib/nlattr.c:732) 
[ 19.312408][ T470] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 19.312601][ T470] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 19.312843][ T470] ? cap_capable (security/commoncap.c:131) 
[ 19.313041][ T470] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 19.313255][ T470] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 19.313447][ T470] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 19.313634][ T470] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 19.313865][ T470] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.314118][ T470] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 19.314384][ T470] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 19.314581][ T470] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 19.314772][ T470] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 19.314961][ T470] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 19.315180][ T470] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 19.315325][ T470] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 19.315524][ T470] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 19.315719][ T470] genl_rcv (net/netlink/genetlink.c:1220) 
[ 19.315866][ T470] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 19.316072][ T470] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 19.316263][ T470] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 19.316464][ T470] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 19.316657][ T470] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 19.316842][ T470] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 19.317033][ T470] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 19.317244][ T470] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 19.317443][ T470] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 19.317638][ T470] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 19.317832][ T470] ? __sys_recvmsg (net/socket.c:2859) 
[ 19.318019][ T470] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 19.318239][ T470] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 19.318441][ T470] __x64_sys_sendto (net/socket.c:2181) 
[ 19.318632][ T470] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 19.318872][ T470] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 19.319080][ T470] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.319313][  T470] RIP: 0033:0x7fe338400a4a
[ 19.319508][ T470] 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
[   19.320169][  T470] RSP: 002b:00007fff0d7b0b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   19.320456][  T470] RAX: ffffffffffffffda RBX: 00000000344a7b00 RCX: 00007fe338400a4a
[   19.320735][  T470] RDX: 0000000000000038 RSI: 00000000344a7b00 RDI: 0000000000000005
[   19.321013][  T470] RBP: 00000000344a7910 R08: 00007fe3385a4200 R09: 000000000000000c
[   19.321299][  T470] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   19.321579][  T470] R13: 00000000344a7910 R14: 0000000000000000 R15: 0000000000000003
| [  292.234289][  T982] ------------[ cut here ]------------
| [ 292.234549][ T982] WARNING: CPU: 3 PID: 982 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) 
| [  292.235113][  T982] Modules linked in: netdevsim
| [  292.235691][  T982] Tainted: [W]=WARN
[  292.235871][  T982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 292.236295][ T982] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.236596][ T982] 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
[  292.237672][  T982] RSP: 0018:ffffc90001f671e8 EFLAGS: 00010246
[  292.238096][  T982] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  292.238579][  T982] RDX: 0000000000000000 RSI: ffff88800518ac98 RDI: ffff88800636adc0
[  292.238888][  T982] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  292.239231][  T982] R10: ffffffff9b9ec1e7 R11: ffff88800636a300 R12: 0000000000000000
[  292.239589][  T982] R13: ffff88800518a128 R14: ffff88800518a008 R15: ffff88800518a000
[  292.239937][  T982] FS:  00007f179bbf1800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  292.240412][  T982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  292.240782][  T982] CR2: 00007f179bfa1200 CR3: 000000000a538001 CR4: 0000000000772ef0
[  292.241271][  T982] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  292.241653][  T982] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  292.241976][  T982] PKRU: 55555554
[  292.242137][  T982] Call Trace:
[  292.242300][  T982]  <TASK>
[ 292.242433][ T982] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.242690][ T982] ? __warn (kernel/panic.c:748) 
[ 292.242856][ T982] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.243184][ T982] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 292.243447][ T982] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 292.243613][ T982] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 292.243895][ T982] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 292.244184][ T982] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.244440][ T982] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 292.244680][ T982] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 292.244998][ T982] ? _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) 
[ 292.245227][ T982] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 292.245495][ T982] register_netdevice (net/core/dev.c:11003) 
[ 292.245817][ T982] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 292.246040][ T982] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 292.246360][ T982] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 292.246634][ T982] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 292.246947][ T982] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 292.247284][ T982] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 292.247537][ T982] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 292.247783][ T982] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 292.248032][ T982] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 292.248237][ T982] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 292.248495][ T982] devlink_reload (net/devlink/dev.c:474) 
[ 292.248700][ T982] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 292.248899][ T982] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 292.249262][ T982] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 292.249467][ T982] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.249804][ T982] ? __nla_parse (lib/nlattr.c:732) 
[ 292.250090][ T982] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 292.250413][ T982] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 292.250692][ T982] ? cap_capable (security/commoncap.c:131) 
[ 292.250977][ T982] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 292.251245][ T982] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 292.251521][ T982] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 292.251739][ T982] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 292.251983][ T982] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.252281][ T982] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 292.252605][ T982] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 292.252823][ T982] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 292.253118][ T982] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 292.253438][ T982] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 292.253748][ T982] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 292.253999][ T982] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 292.254379][ T982] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 292.254749][ T982] genl_rcv (net/netlink/genetlink.c:1220) 
[ 292.255004][ T982] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 292.255418][ T982] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 292.255757][ T982] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 292.256149][ T982] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 292.256484][ T982] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 292.256829][ T982] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 292.257181][ T982] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 292.257527][ T982] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 292.257867][ T982] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 292.258232][ T982] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 292.258576][ T982] ? __sys_recvmsg (net/socket.c:2859) 
[ 292.258910][ T982] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 292.259301][ T982] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 292.259651][ T982] __x64_sys_sendto (net/socket.c:2181) 
[ 292.260009][ T982] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 292.260441][ T982] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 292.260778][ T982] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  292.261202][  T982] RIP: 0033:0x7f179bdfda4a
[ 292.261569][ T982] 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
[  292.262522][  T982] RSP: 002b:00007ffcb2e00de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.262909][  T982] RAX: ffffffffffffffda RBX: 0000000018563b00 RCX: 00007f179bdfda4a
[  292.263265][  T982] RDX: 0000000000000038 RSI: 0000000018563b00 RDI: 0000000000000005
[  292.263556][  T982] RBP: 0000000018563910 R08: 00007f179bfa1200 R09: 000000000000000c
[  292.263877][  T982] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  292.264265][  T982] R13: 0000000018563910 R14: 0000000000000000 R15: 0000000000000003
| [  293.182333][  T996] ------------[ cut here ]------------
| [ 293.182769][ T996] WARNING: CPU: 0 PID: 996 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) 
| [  293.183412][  T996] Modules linked in: netdevsim
| [  293.184341][  T996] Tainted: [W]=WARN
[  293.184588][  T996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 293.185003][ T996] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.185479][ T996] 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
[  293.186600][  T996] RSP: 0018:ffffc90001fc71e8 EFLAGS: 00010246
[  293.186995][  T996] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  293.187511][  T996] RDX: 0000000000000000 RSI: ffff88800521ac98 RDI: ffff888004d3adc0
[  293.187973][  T996] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  293.188652][  T996] R10: ffffffff9b9ec1e7 R11: ffff888004d3a300 R12: 0000000000000000
[  293.189211][  T996] R13: ffff88800521a128 R14: ffff88800521a008 R15: ffff88800521a000
[  293.189718][  T996] FS:  00007ff5420a3800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  293.190313][  T996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  293.190745][  T996] CR2: 00007ff542453200 CR3: 000000000d4aa005 CR4: 0000000000772ef0
[  293.191268][  T996] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  293.191766][  T996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  293.192259][  T996] PKRU: 55555554
[  293.192502][  T996] Call Trace:
[  293.192743][  T996]  <TASK>
[ 293.192914][ T996] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.193276][ T996] ? __warn (kernel/panic.c:748) 
[ 293.193508][ T996] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.193718][ T996] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 293.193943][ T996] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 293.194120][ T996] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 293.194330][ T996] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 293.194630][ T996] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.194940][ T996] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 293.195326][ T996] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 293.195741][ T996] ? _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) 
[ 293.196119][ T996] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 293.196450][ T996] register_netdevice (net/core/dev.c:11003) 
[ 293.196799][ T996] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 293.197168][ T996] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 293.197516][ T996] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 293.197948][ T996] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 293.198402][ T996] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 293.198831][ T996] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 293.199317][ T996] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 293.199734][ T996] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 293.200174][ T996] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 293.200511][ T996] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 293.200971][ T996] devlink_reload (net/devlink/dev.c:474) 
[ 293.201352][ T996] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 293.201701][ T996] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 293.202159][ T996] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 293.202505][ T996] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 293.202897][ T996] ? __nla_parse (lib/nlattr.c:732) 
[ 293.203300][ T996] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 293.203627][ T996] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 293.204031][ T996] ? cap_capable (security/commoncap.c:131) 
[ 293.204379][ T996] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 293.204714][ T996] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 293.205036][ T996] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 293.205391][ T996] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 293.205793][ T996] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 293.206194][ T996] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 293.206612][ T996] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 293.206933][ T996] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 293.207297][ T996] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 293.207618][ T996] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 293.207965][ T996] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 293.208247][ T996] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 293.208561][ T996] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 293.208891][ T996] genl_rcv (net/netlink/genetlink.c:1220) 
[ 293.209159][ T996] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 293.209500][ T996] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 293.209831][ T996] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 293.210200][ T996] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 293.210539][ T996] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 293.210871][ T996] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 293.211260][ T996] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 293.211619][ T996] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 293.211955][ T996] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 293.212328][ T996] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 293.212661][ T996] ? __sys_recvmsg (net/socket.c:2859) 
[ 293.212979][ T996] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 293.213366][ T996] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 293.213696][ T996] __x64_sys_sendto (net/socket.c:2181) 
[ 293.214024][ T996] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 293.214460][ T996] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 293.214812][ T996] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  293.215238][  T996] RIP: 0033:0x7ff5422afa4a
[ 293.215570][ T996] 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
[  293.216546][  T996] RSP: 002b:00007fffb64bde38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  293.216931][  T996] RAX: ffffffffffffffda RBX: 00000000357f3b00 RCX: 00007ff5422afa4a
[  293.217360][  T996] RDX: 0000000000000038 RSI: 00000000357f3b00 RDI: 0000000000000005
[  293.217837][  T996] RBP: 00000000357f3910 R08: 00007ff542453200 R09: 000000000000000c
[  293.218325][  T996] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  293.218771][  T996] R13: 00000000357f3910 R14: 0000000000000000 R15: 0000000000000003
| [  294.469571][ T1027] ------------[ cut here ]------------
| [ 294.469929][ T1027] WARNING: CPU: 0 PID: 1027 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) 
| [  294.470594][ T1027] Modules linked in: netdevsim
| [  294.472117][ T1027] Tainted: [W]=WARN
[  294.472377][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 294.472773][ T1027] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.473198][ T1027] 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
[  294.474387][ T1027] RSP: 0018:ffffc900021171e8 EFLAGS: 00010246
[  294.474795][ T1027] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  294.475316][ T1027] RDX: 0000000000000000 RSI: ffff8880024b2c98 RDI: ffff8880061a8b00
[  294.475805][ T1027] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  294.476305][ T1027] R10: ffffffff9b9ec1e7 R11: ffff8880061a8040 R12: 0000000000000000
[  294.476778][ T1027] R13: ffff8880024b2128 R14: ffff8880024b2008 R15: ffff8880024b2000
[  294.477269][ T1027] FS:  00007f057879b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  294.477819][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  294.478273][ T1027] CR2: 00007f0578b4b200 CR3: 000000000bc02003 CR4: 0000000000772ef0
[  294.478745][ T1027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  294.479243][ T1027] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  294.479708][ T1027] PKRU: 55555554
[  294.479919][ T1027] Call Trace:
[  294.480089][ T1027]  <TASK>
[ 294.480193][ T1027] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.480418][ T1027] ? __warn (kernel/panic.c:748) 
[ 294.480649][ T1027] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.480918][ T1027] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 294.481170][ T1027] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 294.481408][ T1027] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 294.481715][ T1027] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 294.482116][ T1027] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.482436][ T1027] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 294.482791][ T1027] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 294.483218][ T1027] ? _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) 
[ 294.483547][ T1027] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 294.483875][ T1027] register_netdevice (net/core/dev.c:11003) 
[ 294.484221][ T1027] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 294.484539][ T1027] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 294.484844][ T1027] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 294.485270][ T1027] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 294.485715][ T1027] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 294.486161][ T1027] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 294.486582][ T1027] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 294.486968][ T1027] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 294.487382][ T1027] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 294.487657][ T1027] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 294.488081][ T1027] devlink_reload (net/devlink/dev.c:474) 
[ 294.488418][ T1027] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 294.488738][ T1027] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 294.489159][ T1027] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 294.489490][ T1027] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.489877][ T1027] ? __nla_parse (lib/nlattr.c:732) 
[ 294.490251][ T1027] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 294.490573][ T1027] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 294.490991][ T1027] ? cap_capable (security/commoncap.c:131) 
[ 294.491340][ T1027] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 294.491692][ T1027] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 294.492011][ T1027] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 294.492348][ T1027] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 294.492753][ T1027] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.493112][ T1027] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 294.493421][ T1027] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 294.493765][ T1027] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 294.494125][ T1027] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 294.494471][ T1027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 294.494827][ T1027] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 294.495094][ T1027] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 294.495433][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 294.495783][ T1027] genl_rcv (net/netlink/genetlink.c:1220) 
[ 294.496024][ T1027] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 294.496386][ T1027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 294.496689][ T1027] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 294.497026][ T1027] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 294.497394][ T1027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 294.497714][ T1027] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 294.498028][ T1027] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 294.498432][ T1027] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 294.498724][ T1027] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 294.498966][ T1027] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 294.499319][ T1027] ? __sys_recvmsg (net/socket.c:2859) 
[ 294.499663][ T1027] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 294.499982][ T1027] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 294.500344][ T1027] __x64_sys_sendto (net/socket.c:2181) 
[ 294.500667][ T1027] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 294.501107][ T1027] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 294.501438][ T1027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  294.501872][ T1027] RIP: 0033:0x7f05789a7a4a
[ 294.502257][ T1027] 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
[  294.503432][ T1027] RSP: 002b:00007fffada8a988 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  294.503941][ T1027] RAX: ffffffffffffffda RBX: 00000000094bdb00 RCX: 00007f05789a7a4a
[  294.504458][ T1027] RDX: 0000000000000038 RSI: 00000000094bdb00 RDI: 0000000000000005
[  294.504937][ T1027] RBP: 00000000094bd910 R08: 00007f0578b4b200 R09: 000000000000000c
[  294.505426][ T1027] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  294.505895][ T1027] R13: 00000000094bd910 R14: 0000000000000000 R15: 0000000000000003
| [  295.716774][ T1045] ------------[ cut here ]------------
| [ 295.717116][ T1045] WARNING: CPU: 1 PID: 1045 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) 
| [  295.717555][ T1045] Modules linked in: netdevsim
| [  295.718184][ T1045] Tainted: [W]=WARN
[  295.718337][ T1045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 295.718585][ T1045] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.718837][ T1045] 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
[  295.719567][ T1045] RSP: 0018:ffffc900021b71e8 EFLAGS: 00010246
[  295.719858][ T1045] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  295.720173][ T1045] RDX: 0000000000000000 RSI: ffff8880050f2c98 RDI: ffff88800533adc0
[  295.720464][ T1045] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  295.720750][ T1045] R10: ffffffff9b9ec1e7 R11: ffff88800533a300 R12: 0000000000000000
[  295.721081][ T1045] R13: ffff8880050f2128 R14: ffff8880050f2008 R15: ffff8880050f2000
[  295.721389][ T1045] FS:  00007f9216001800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  295.721769][ T1045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  295.722017][ T1045] CR2: 000055fe3e4addec CR3: 000000000524e002 CR4: 0000000000772ef0
[  295.722433][ T1045] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  295.722749][ T1045] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  295.723089][ T1045] PKRU: 55555554
[  295.723245][ T1045] Call Trace:
[  295.723403][ T1045]  <TASK>
[ 295.723505][ T1045] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.723709][ T1045] ? __warn (kernel/panic.c:748) 
[ 295.723863][ T1045] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.724071][ T1045] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 295.724284][ T1045] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 295.724483][ T1045] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 295.724691][ T1045] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 295.724921][ T1045] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.725165][ T1045] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 295.725392][ T1045] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 295.725669][ T1045] ? _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) 
[ 295.725895][ T1045] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 295.726114][ T1045] register_netdevice (net/core/dev.c:11003) 
[ 295.726314][ T1045] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 295.726523][ T1045] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 295.726734][ T1045] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 295.727033][ T1045] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 295.727326][ T1045] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 295.727619][ T1045] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 295.727912][ T1045] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 295.728188][ T1045] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 295.728451][ T1045] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 295.728663][ T1045] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 295.728939][ T1045] devlink_reload (net/devlink/dev.c:474) 
[ 295.729185][ T1045] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 295.729397][ T1045] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 295.729681][ T1045] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 295.729890][ T1045] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.730177][ T1045] ? __nla_parse (lib/nlattr.c:732) 
[ 295.730390][ T1045] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 295.730596][ T1045] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 295.730853][ T1045] ? cap_capable (security/commoncap.c:131) 
[ 295.731068][ T1045] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 295.731284][ T1045] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 295.731487][ T1045] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 295.731700][ T1045] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 295.731957][ T1045] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.732220][ T1045] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 295.732485][ T1045] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 295.732684][ T1045] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 295.732891][ T1045] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 295.733128][ T1045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 295.733349][ T1045] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 295.733499][ T1045] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 295.733702][ T1045] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 295.733925][ T1045] genl_rcv (net/netlink/genetlink.c:1220) 
[ 295.734094][ T1045] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 295.734299][ T1045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 295.734500][ T1045] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 295.734704][ T1045] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 295.734939][ T1045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 295.735151][ T1045] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 295.735371][ T1045] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 295.735579][ T1045] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 295.735791][ T1045] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 295.736007][ T1045] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 295.736222][ T1045] ? __sys_recvmsg (net/socket.c:2859) 
[ 295.736414][ T1045] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 295.736624][ T1045] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 295.736828][ T1045] __x64_sys_sendto (net/socket.c:2181) 
[ 295.737018][ T1045] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 295.737291][ T1045] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 295.737504][ T1045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  295.737746][ T1045] RIP: 0033:0x7f921620da4a
[ 295.737944][ T1045] 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
[  295.738633][ T1045] RSP: 002b:00007ffc0bf7fc48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  295.738977][ T1045] RAX: ffffffffffffffda RBX: 000000003dc43b00 RCX: 00007f921620da4a
[  295.739292][ T1045] RDX: 0000000000000038 RSI: 000000003dc43b00 RDI: 0000000000000005
[  295.739609][ T1045] RBP: 000000003dc43910 R08: 00007f92163b1200 R09: 000000000000000c
[  295.739953][ T1045] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  295.740271][ T1045] R13: 000000003dc43910 R14: 0000000000000000 R15: 0000000000000003
| [  299.624201][ T1137] ------------[ cut here ]------------
| [ 299.624593][ T1137] WARNING: CPU: 2 PID: 1137 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) 
| [  299.625468][ T1137] Modules linked in: netdevsim
| [  299.626508][ T1137] Tainted: [W]=WARN
[  299.626786][ T1137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 299.627230][ T1137] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.627600][ T1137] 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
[  299.628338][ T1137] RSP: 0018:ffffc900024c71e8 EFLAGS: 00010246
[  299.628624][ T1137] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  299.628936][ T1137] RDX: 0000000000000000 RSI: ffff88800be22c98 RDI: ffff888005062dc0
[  299.629314][ T1137] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  299.629666][ T1137] R10: ffffffff9b9ec1e7 R11: ffff888005062300 R12: 0000000000000000
[  299.629998][ T1137] R13: ffff88800be22128 R14: ffff88800be22008 R15: ffff88800be22000
[  299.630348][ T1137] FS:  00007fb94c648800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  299.630742][ T1137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  299.631026][ T1137] CR2: 00007fb94c9f8200 CR3: 000000000da46005 CR4: 0000000000772ef0
[  299.631377][ T1137] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  299.631740][ T1137] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  299.632047][ T1137] PKRU: 55555554
[  299.632234][ T1137] Call Trace:
[  299.632400][ T1137]  <TASK>
[ 299.632571][ T1137] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.632917][ T1137] ? __warn (kernel/panic.c:748) 
[ 299.633217][ T1137] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.633537][ T1137] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 299.633767][ T1137] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 299.633942][ T1137] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 299.634181][ T1137] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 299.634415][ T1137] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.634654][ T1137] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 299.634881][ T1137] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 299.635169][ T1137] ? _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) 
[ 299.635399][ T1137] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 299.635645][ T1137] register_netdevice (net/core/dev.c:11003) 
[ 299.635874][ T1137] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 299.636124][ T1137] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 299.636363][ T1137] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 299.636663][ T1137] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 299.636950][ T1137] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 299.637251][ T1137] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 299.637550][ T1137] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 299.637838][ T1137] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 299.638132][ T1137] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 299.638351][ T1137] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 299.638646][ T1137] devlink_reload (net/devlink/dev.c:474) 
[ 299.638877][ T1137] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 299.639117][ T1137] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 299.639398][ T1137] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 299.639643][ T1137] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.639926][ T1137] ? __nla_parse (lib/nlattr.c:732) 
[ 299.640175][ T1137] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 299.640395][ T1137] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 299.640827][ T1137] ? cap_capable (security/commoncap.c:131) 
[ 299.641197][ T1137] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 299.641578][ T1137] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 299.641858][ T1137] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 299.642081][ T1137] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 299.642335][ T1137] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.642612][ T1137] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 299.642883][ T1137] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 299.643110][ T1137] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 299.643314][ T1137] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 299.643557][ T1137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 299.643780][ T1137] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 299.643950][ T1137] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 299.644176][ T1137] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 299.644393][ T1137] genl_rcv (net/netlink/genetlink.c:1220) 
[ 299.644573][ T1137] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 299.644789][ T1137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 299.644999][ T1137] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 299.645232][ T1137] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 299.645467][ T1137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 299.645685][ T1137] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 299.645900][ T1137] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 299.646136][ T1137] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 299.646352][ T1137] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 299.646583][ T1137] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 299.646798][ T1137] ? __sys_recvmsg (net/socket.c:2859) 
[ 299.647006][ T1137] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 299.647236][ T1137] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 299.647479][ T1137] __x64_sys_sendto (net/socket.c:2181) 
[ 299.647690][ T1137] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 299.647941][ T1137] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 299.648177][ T1137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  299.648436][ T1137] RIP: 0033:0x7fb94c854a4a
[ 299.648688][ T1137] 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
[  299.649418][ T1137] RSP: 002b:00007ffdb036d658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  299.649771][ T1137] RAX: ffffffffffffffda RBX: 00000000221feb00 RCX: 00007fb94c854a4a
[  299.650108][ T1137] RDX: 0000000000000038 RSI: 00000000221feb00 RDI: 0000000000000005
[  299.650427][ T1137] RBP: 00000000221fe910 R08: 00007fb94c9f8200 R09: 000000000000000c
[  299.650756][ T1137] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  299.651100][ T1137] R13: 00000000221fe910 R14: 0000000000000000 R15: 0000000000000003
| [  300.729985][ T1151] ------------[ cut here ]------------
| [ 300.730419][ T1151] WARNING: CPU: 2 PID: 1151 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) 
| [  300.730969][ T1151] Modules linked in: netdevsim
| [  300.731834][ T1151] Tainted: [W]=WARN
[  300.732120][ T1151] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 300.732397][ T1151] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.732695][ T1151] 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
[  300.733538][ T1151] RSP: 0018:ffffc900025671e8 EFLAGS: 00010246
[  300.733855][ T1151] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  300.734261][ T1151] RDX: 0000000000000000 RSI: ffff8880024aac98 RDI: ffff88800d962dc0
[  300.734686][ T1151] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  300.735016][ T1151] R10: ffffffff9b9ec1e7 R11: ffff88800d962300 R12: 0000000000000000
[  300.735420][ T1151] R13: ffff8880024aa128 R14: ffff8880024aa008 R15: ffff8880024aa000
[  300.735757][ T1151] FS:  00007f76e2afa800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  300.736143][ T1151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  300.736485][ T1151] CR2: 00007f20ba8a2000 CR3: 000000000935c004 CR4: 0000000000772ef0
[  300.736912][ T1151] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  300.737256][ T1151] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  300.737637][ T1151] PKRU: 55555554
[  300.737813][ T1151] Call Trace:
[  300.738020][ T1151]  <TASK>
[ 300.738183][ T1151] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.738481][ T1151] ? __warn (kernel/panic.c:748) 
[ 300.738710][ T1151] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.739003][ T1151] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 300.739321][ T1151] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 300.739488][ T1151] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 300.739715][ T1151] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 300.739935][ T1151] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.740188][ T1151] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 300.740408][ T1151] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 300.740752][ T1151] ? _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) 
[ 300.741032][ T1151] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 300.741322][ T1151] register_netdevice (net/core/dev.c:11003) 
[ 300.741607][ T1151] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 300.741906][ T1151] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 300.742256][ T1151] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 300.742547][ T1151] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 300.742858][ T1151] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 300.743167][ T1151] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 300.743467][ T1151] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 300.743763][ T1151] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 300.744045][ T1151] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 300.744296][ T1151] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 300.744596][ T1151] devlink_reload (net/devlink/dev.c:474) 
[ 300.744845][ T1151] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 300.745125][ T1151] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 300.745498][ T1151] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 300.745735][ T1151] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.746010][ T1151] ? __nla_parse (lib/nlattr.c:732) 
[ 300.746269][ T1151] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 300.746494][ T1151] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 300.746830][ T1151] ? cap_capable (security/commoncap.c:131) 
[ 300.747083][ T1151] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 300.747322][ T1151] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 300.747561][ T1151] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 300.747845][ T1151] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 300.748184][ T1151] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.748479][ T1151] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 300.748780][ T1151] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 300.749024][ T1151] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 300.749298][ T1151] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 300.749513][ T1151] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 300.749864][ T1151] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 300.750189][ T1151] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 300.750430][ T1151] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 300.750686][ T1151] genl_rcv (net/netlink/genetlink.c:1220) 
[ 300.750852][ T1151] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 300.751088][ T1151] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 300.751309][ T1151] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 300.751638][ T1151] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 300.751915][ T1151] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 300.752165][ T1151] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 300.752430][ T1151] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 300.752670][ T1151] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 300.752911][ T1151] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 300.753208][ T1151] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 300.753430][ T1151] ? __sys_recvmsg (net/socket.c:2859) 
[ 300.753654][ T1151] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 300.753886][ T1151] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 300.754153][ T1151] __x64_sys_sendto (net/socket.c:2181) 
[ 300.754366][ T1151] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 300.754642][ T1151] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 300.754905][ T1151] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  300.755220][ T1151] RIP: 0033:0x7f76e2d06a4a
[ 300.755455][ T1151] 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
[  300.756263][ T1151] RSP: 002b:00007ffe5a17c398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  300.756633][ T1151] RAX: ffffffffffffffda RBX: 000000003c1c5b00 RCX: 00007f76e2d06a4a
[  300.757036][ T1151] RDX: 0000000000000038 RSI: 000000003c1c5b00 RDI: 0000000000000005
[  300.757388][ T1151] RBP: 000000003c1c5910 R08: 00007f76e2eaa200 R09: 000000000000000c
[  300.757728][ T1151] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  300.758140][ T1151] R13: 000000003c1c5910 R14: 0000000000000000 R15: 0000000000000003
| [  303.726361][ T1216] ------------[ cut here ]------------
| [ 303.726736][ T1216] WARNING: CPU: 3 PID: 1216 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) 
| [  303.727310][ T1216] Modules linked in: netdevsim
| [  303.727931][ T1216] Tainted: [W]=WARN
[  303.728130][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 303.728394][ T1216] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.728665][ T1216] 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
[  303.729443][ T1216] RSP: 0018:ffffc900027b71e8 EFLAGS: 00010246
[  303.729711][ T1216] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  303.730027][ T1216] RDX: 0000000000000000 RSI: ffff88800518ac98 RDI: ffff888005d3adc0
[  303.730360][ T1216] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  303.730668][ T1216] R10: ffffffff9b9ec1e7 R11: ffff888005d3a300 R12: 0000000000000000
[  303.730979][ T1216] R13: ffff88800518a128 R14: ffff88800518a008 R15: ffff88800518a000
[  303.731304][ T1216] FS:  00007f7c8f6cd800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  303.731690][ T1216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  303.731971][ T1216] CR2: 00007f7c8fa7d200 CR3: 000000000bc50003 CR4: 0000000000772ef0
[  303.732321][ T1216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  303.732662][ T1216] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  303.733001][ T1216] PKRU: 55555554
[  303.733210][ T1216] Call Trace:
[  303.733375][ T1216]  <TASK>
[ 303.733483][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.733702][ T1216] ? __warn (kernel/panic.c:748) 
[ 303.733879][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.734123][ T1216] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 303.734343][ T1216] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 303.734504][ T1216] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 303.734717][ T1216] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 303.734942][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 303.735201][ T1216] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 303.735497][ T1216] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 303.735896][ T1216] ? _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) 
[ 303.736291][ T1216] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 303.736647][ T1216] register_netdevice (net/core/dev.c:11003) 
[ 303.736978][ T1216] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 303.737548][ T1216] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 303.737957][ T1216] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 303.738449][ T1216] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 303.738896][ T1216] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 303.739351][ T1216] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 303.739761][ T1216] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 303.740252][ T1216] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 303.740699][ T1216] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 303.741024][ T1216] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 303.741501][ T1216] devlink_reload (net/devlink/dev.c:474) 
[ 303.741849][ T1216] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 303.742231][ T1216] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 303.742656][ T1216] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 303.742980][ T1216] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 303.743381][ T1216] ? __nla_parse (lib/nlattr.c:732) 
[ 303.743734][ T1216] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 303.743996][ T1216] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 303.744328][ T1216] ? cap_capable (security/commoncap.c:131) 
[ 303.744539][ T1216] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 303.744754][ T1216] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 303.745024][ T1216] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 303.745248][ T1216] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 303.745501][ T1216] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 303.745785][ T1216] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 303.746086][ T1216] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 303.746303][ T1216] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 303.746511][ T1216] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 303.746753][ T1216] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 303.746977][ T1216] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 303.747149][ T1216] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 303.747363][ T1216] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 303.747585][ T1216] genl_rcv (net/netlink/genetlink.c:1220) 
[ 303.747746][ T1216] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 303.748002][ T1216] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 303.748254][ T1216] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 303.748481][ T1216] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 303.748703][ T1216] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 303.748932][ T1216] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 303.749166][ T1216] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 303.749393][ T1216] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 303.749613][ T1216] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 303.749844][ T1216] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 303.750090][ T1216] ? __sys_recvmsg (net/socket.c:2859) 
[ 303.750319][ T1216] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 303.750536][ T1216] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 303.750751][ T1216] __x64_sys_sendto (net/socket.c:2181) 
[ 303.750978][ T1216] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 303.751277][ T1216] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 303.751513][ T1216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  303.751781][ T1216] RIP: 0033:0x7f7c8f8d9a4a
[ 303.752015][ T1216] 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
[  303.752853][ T1216] RSP: 002b:00007ffc70badb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  303.753329][ T1216] RAX: ffffffffffffffda RBX: 00000000355bbb00 RCX: 00007f7c8f8d9a4a
[  303.753796][ T1216] RDX: 0000000000000038 RSI: 00000000355bbb00 RDI: 0000000000000005
[  303.754303][ T1216] RBP: 00000000355bb910 R08: 00007f7c8fa7d200 R09: 000000000000000c
[  303.754799][ T1216] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  303.755319][ T1216] R13: 00000000355bb910 R14: 0000000000000000 R15: 0000000000000003
| [  305.229947][ T1246] ------------[ cut here ]------------
| [ 305.230514][ T1246] WARNING: CPU: 3 PID: 1246 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) 
| [  305.231315][ T1246] Modules linked in: netdevsim
| [  305.232317][ T1246] Tainted: [W]=WARN
[  305.232553][ T1246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 305.232871][ T1246] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.233558][ T1246] 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
[  305.234886][ T1246] RSP: 0018:ffffc900028d71e8 EFLAGS: 00010246
[  305.235301][ T1246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  305.235763][ T1246] RDX: 0000000000000000 RSI: ffff88800521ac98 RDI: ffff88800da55080
[  305.236235][ T1246] RBP: ffff8880023f8040 R08: 0000000000000000 R09: fffffbfff373d83c
[  305.236702][ T1246] R10: ffffffff9b9ec1e7 R11: ffff88800da545c0 R12: 0000000000000000
[  305.237208][ T1246] R13: ffff88800521a128 R14: ffff88800521a008 R15: ffff88800521a000
[  305.237665][ T1246] FS:  00007ff5dc9e8800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  305.238267][ T1246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.238661][ T1246] CR2: 00007ff5dcd98200 CR3: 00000000052e4005 CR4: 0000000000772ef0
[  305.239117][ T1246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  305.239580][ T1246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  305.240020][ T1246] PKRU: 55555554
[  305.240274][ T1246] Call Trace:
[  305.240515][ T1246]  <TASK>
[ 305.240655][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.240861][ T1246] ? __warn (kernel/panic.c:748) 
[ 305.241011][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.241282][ T1246] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 305.241531][ T1246] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 305.241689][ T1246] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 305.241886][ T1246] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 305.242111][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.242308][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 305.242502][ T1246] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 305.242756][ T1246] ? _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) 
[ 305.242960][ T1246] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 305.243176][ T1246] register_netdevice (net/core/dev.c:11003) 
[ 305.243375][ T1246] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 305.243574][ T1246] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 305.243809][ T1246] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 305.244071][ T1246] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 305.244329][ T1246] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 305.244583][ T1246] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 305.244830][ T1246] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 305.245082][ T1246] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 305.245326][ T1246] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 305.245577][ T1246] devlink_reload (net/devlink/dev.c:474) 
[ 305.245777][ T1246] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 305.245971][ T1246] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 305.246235][ T1246] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 305.246456][ T1246] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.246715][ T1246] ? __nla_parse (lib/nlattr.c:732) 
[ 305.246919][ T1246] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 305.247127][ T1246] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 305.247382][ T1246] ? cap_capable (security/commoncap.c:131) 
[ 305.247604][ T1246] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 305.247805][ T1246] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 305.248097][ T1246] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 305.248293][ T1246] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 305.248581][ T1246] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 305.248885][ T1246] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 305.249268][ T1246] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 305.249562][ T1246] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 305.249797][ T1246] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 305.250004][ T1246] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 305.250233][ T1246] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 305.250394][ T1246] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 305.250614][ T1246] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 305.250879][ T1246] genl_rcv (net/netlink/genetlink.c:1220) 
[ 305.251138][ T1246] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 305.251489][ T1246] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 305.251834][ T1246] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 305.252174][ T1246] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 305.252510][ T1246] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 305.252738][ T1246] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 305.252934][ T1246] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 305.253154][ T1246] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 305.253373][ T1246] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 305.253664][ T1246] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 305.253976][ T1246] ? __sys_recvmsg (net/socket.c:2859) 
[ 305.254287][ T1246] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 305.254607][ T1246] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 305.254913][ T1246] __x64_sys_sendto (net/socket.c:2181) 
[ 305.255267][ T1246] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 305.255670][ T1246] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 305.256001][ T1246] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  305.256431][ T1246] RIP: 0033:0x7ff5dcbf4a4a
[ 305.256762][ T1246] 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
[  305.257923][ T1246] RSP: 002b:00007ffde368ca68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  305.258445][ T1246] RAX: ffffffffffffffda RBX: 000000003f7efb00 RCX: 00007ff5dcbf4a4a
[  305.258924][ T1246] RDX: 0000000000000038 RSI: 000000003f7efb00 RDI: 0000000000000005
[  305.259418][ T1246] RBP: 000000003f7ef910 R08: 00007ff5dcd98200 R09: 000000000000000c
[  305.259887][ T1246] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  305.260376][ T1246] R13: 000000003f7ef910 R14: 0000000000000000 R15: 0000000000000003
| [  305.626956][   T11] ------------[ cut here ]------------
| [ 305.627369][ T11] WARNING: CPU: 0 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  305.627761][   T11] Modules linked in: netdevsim
| [  305.628355][   T11] Tainted: [W]=WARN
[  305.628501][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  305.628786][   T11] Workqueue: netns cleanup_net
[ 305.629007][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.629255][ 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
[  305.630090][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[  305.630330][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  305.630607][   T11] RDX: 0000000000000000 RSI: ffff8880024b2c98 RDI: ffff888001a82e10
[  305.630931][   T11] RBP: ffffffff9db23440 R08: 0000000000000000 R09: fffffbfff373d83c
[  305.631224][   T11] R10: ffffffff9b9ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[  305.631512][   T11] R13: ffff8880024b2128 R14: ffff8880024b2008 R15: ffff8880024b2000
[  305.631792][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  305.632215][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.632462][   T11] CR2: 00007fdae22d9000 CR3: 0000000019128002 CR4: 0000000000772ef0
[  305.632764][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  305.633035][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  305.633381][   T11] PKRU: 55555554
[  305.633549][   T11] Call Trace:
[  305.633691][   T11]  <TASK>
[ 305.633817][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.633998][ T11] ? __warn (kernel/panic.c:748) 
[ 305.634222][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.634400][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 305.634612][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 305.634776][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 305.634977][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 305.635271][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 305.635474][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 305.635727][ 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) 
[ 305.635921][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 305.636233][ T11] register_netdevice (net/core/dev.c:11003) 
[ 305.636537][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 305.636843][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 305.637298][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 305.637653][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 305.638073][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 305.638436][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 305.638840][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 305.639254][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 305.639645][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 305.639952][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 305.640260][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 305.640571][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 305.640869][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 305.641312][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 305.641627][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 305.641922][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 305.642231][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 305.642570][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 305.642848][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 305.643163][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 305.643464][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 305.643749][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 305.644073][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 305.644348][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 305.644610][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 305.644790][ T11] kthread (kernel/kthread.c:464) 
[ 305.644923][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 305.645125][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 305.645308][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 305.645503][ 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