======================================
| 0
| xx__-> [   10.804936][  T227] ------------[ cut here ]------------
| [ 10.805495][ T227] WARNING: CPU: 0 PID: 227 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   10.806304][  T227] Modules linked in: netdevsim
[   10.807241][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.807685][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 10.808129][ T227] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.809411][  T227] RSP: 0018:ffffc90000af7520 EFLAGS: 00010246
[   10.809860][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.810396][  T227] RDX: 0000000000000000 RSI: ffff88800b57ac98 RDI: ffff88800953d0f8
[   10.810903][  T227] RBP: ffffffff8f924440 R08: 0000000000000000 R09: fffffbfff1afd844
[   10.811444][  T227] R10: ffffffff8d7ec227 R11: ffff88800953c5c0 R12: 0000000000000000
[   10.811964][  T227] R13: ffff88800b57a128 R14: ffff88800b57a008 R15: ffff88800b57a000
[   10.812475][  T227] FS:  00007f82c9161740(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   10.813083][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.813536][  T227] CR2: 0000558e0744b5d8 CR3: 00000000086d4006 CR4: 0000000000772ef0
[   10.814040][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.814582][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.815104][  T227] PKRU: 55555554
[   10.815386][  T227] Call Trace:
[   10.815644][  T227]  <TASK>
[ 10.815853][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 10.816222][ T227] ? __warn (kernel/panic.c:748) 
[ 10.816492][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 10.816837][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.817211][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.817477][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.817831][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.818235][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 10.818609][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 10.819064][ T227] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.819436][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.819791][ T227] register_netdevice (net/core/dev.c:11033) 
[ 10.820152][ T227] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 10.820540][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.820916][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.821383][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.821655][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.822115][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.822585][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.823035][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.823428][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.823868][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.824240][ T227] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 10.824501][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.824874][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.825259][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.825609][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 10.825961][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.826334][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.826767][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.827121][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.827481][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.827830][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.828183][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.828563][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 10.828934][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.829296][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.829648][ T227] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 10.830015][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 10.830392][ T227] device_add (drivers/base/core.c:3672) 
[ 10.830748][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.831097][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.831487][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.831937][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.832419][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.832777][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.833151][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.833506][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.833859][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.834132][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.834501][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.834843][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.835218][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.835572][ T227] ksys_write (fs/read_write.c:731) 
[ 10.835852][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.836217][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.836584][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.836944][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.837390][  T227] RIP: 0033:0x7f82c92a2b77
[ 10.837752][ T227] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   10.838969][  T227] RSP: 002b:00007ffc1c3ff9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.839514][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f82c92a2b77
[   10.840029][  T227] RDX: 0000000000000007 RSI: 0000558e0744a5d0 RDI: 0000000000000001
[   10.840568][  T227] RBP: 0000558e0744a5d0 R08: 0000000000000003 R09: 0000000000000077
[   10.841087][  T227] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   10.841620][  T227] R13: 00007f82c935e760 R14: 0000000000000007 R15: 00007f82c93599c0
| [   11.112998][  T253] ------------[ cut here ]------------
| [ 11.113334][ T253] WARNING: CPU: 3 PID: 253 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   11.113773][  T253] Modules linked in: netdevsim
| [   11.114378][  T253] Tainted: [W]=WARN
[   11.114569][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.114852][ T253] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 11.115132][ T253] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.115881][  T253] RSP: 0018:ffffc900007f71e8 EFLAGS: 00010246
[   11.116160][  T253] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.116488][  T253] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff8880097fadc0
[   11.116899][  T253] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   11.117235][  T253] R10: ffffffff8d7ec227 R11: ffff8880097fa300 R12: 0000000000000000
[   11.117554][  T253] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[   11.117858][  T253] FS:  00007f6d00f61800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[   11.118227][  T253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.118489][  T253] CR2: 00007ff0fbe08bdd CR3: 000000000bffc002 CR4: 0000000000772ef0
[   11.118812][  T253] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.119121][  T253] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.119436][  T253] PKRU: 55555554
[   11.119610][  T253] Call Trace:
[   11.119775][  T253]  <TASK>
[ 11.119886][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 11.120103][ T253] ? __warn (kernel/panic.c:748) 
[ 11.120274][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 11.120490][ T253] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.120705][ T253] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.120876][ T253] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.121095][ T253] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.121326][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 11.121549][ T253] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 11.121758][ T253] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 11.122036][ T253] ? _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) 
[ 11.122261][ T253] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.122471][ T253] register_netdevice (net/core/dev.c:11033) 
[ 11.122689][ T253] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 11.122905][ T253] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.123128][ T253] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.123414][ T253] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.123708][ T253] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.123979][ T253] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.124253][ T253] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.124522][ T253] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.124809][ T253] devlink_reload (net/devlink/dev.c:474) 
[ 11.125022][ T253] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.125247][ T253] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 11.125459][ T253] ? cap_capable (security/commoncap.c:131) 
[ 11.125662][ T253] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 11.125829][ T253] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.126036][ T253] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.126304][ T253] ? __nla_parse (lib/nlattr.c:732) 
[ 11.126529][ T253] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.126749][ T253] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.127022][ T253] ? cap_capable (security/commoncap.c:131) 
[ 11.127244][ T253] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.127459][ T253] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.127662][ T253] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.127877][ T253] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.128131][ T253] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.128403][ T253] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.128685][ T253] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.128903][ T253] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.129109][ T253] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.129350][ T253] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.129579][ T253] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.129734][ T253] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.129953][ T253] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.130177][ T253] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.130354][ T253] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.130569][ T253] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.130775][ T253] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.130991][ T253] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.131216][ T253] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.131419][ T253] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.131628][ T253] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.131842][ T253] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.132048][ T253] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.132263][ T253] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.132473][ T253] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 11.132692][ T253] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 11.132901][ T253] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 11.133165][ T253] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 11.133439][ T253] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 11.133662][ T253] __x64_sys_sendto (net/socket.c:2181) 
[ 11.133867][ T253] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.134118][ T253] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.134339][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.134594][  T253] RIP: 0033:0x7f6d0116da4a
[ 11.134804][ T253] 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
[   11.135522][  T253] RSP: 002b:00007ffd3959a358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.135827][  T253] RAX: ffffffffffffffda RBX: 000000000bf69b00 RCX: 00007f6d0116da4a
[   11.136135][  T253] RDX: 0000000000000040 RSI: 000000000bf69b00 RDI: 0000000000000005
[   11.136445][  T253] RBP: 000000000bf69910 R08: 00007f6d01311200 R09: 000000000000000c
[   11.136742][  T253] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.137042][  T253] R13: 000000000bf69910 R14: 0000000000000000 R15: 0000000000000001
| [   19.677784][  T457] ------------[ cut here ]------------
| [ 19.678135][ T457] WARNING: CPU: 2 PID: 457 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   19.678553][  T457] Modules linked in: netdevsim
| [   19.679121][  T457] Tainted: [W]=WARN
[   19.679299][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.679551][ T457] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 19.679812][ T457] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   19.680522][  T457] RSP: 0018:ffffc90000e771e8 EFLAGS: 00010246
[   19.680813][  T457] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   19.681116][  T457] RDX: 0000000000000000 RSI: ffff88800a6a2c98 RDI: ffff88800b71d080
[   19.681501][  T457] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   19.681797][  T457] R10: ffffffff8d7ec227 R11: ffff88800b71c5c0 R12: 0000000000000000
[   19.682096][  T457] R13: ffff88800a6a2128 R14: ffff88800a6a2008 R15: ffff88800a6a2000
[   19.682407][  T457] FS:  00007fac8c963800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   19.682751][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.683003][  T457] CR2: 00007fac8cd13200 CR3: 0000000008978006 CR4: 0000000000772ef0
[   19.683314][  T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   19.683610][  T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   19.683909][  T457] PKRU: 55555554
[   19.684069][  T457] Call Trace:
[   19.684259][  T457]  <TASK>
[ 19.684402][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 19.684615][ T457] ? __warn (kernel/panic.c:748) 
[ 19.684778][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 19.684983][ T457] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 19.685209][ T457] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 19.685371][ T457] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 19.685577][ T457] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 19.685794][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 19.686001][ T457] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 19.686227][ T457] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 19.686482][ T457] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 19.686693][ T457] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 19.686901][ T457] register_netdevice (net/core/dev.c:11033) 
[ 19.687112][ T457] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 19.687340][ T457] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 19.687561][ T457] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 19.687821][ T457] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 19.688090][ T457] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 19.688390][ T457] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 19.688689][ T457] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 19.688949][ T457] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 19.689224][ T457] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 19.689523][ T457] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 19.689955][ T457] devlink_reload (net/devlink/dev.c:474) 
[ 19.690323][ T457] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 19.690659][ T457] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 19.691085][ T457] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 19.691442][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.691857][ T457] ? __nla_parse (lib/nlattr.c:732) 
[ 19.692221][ T457] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 19.692563][ T457] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 19.692994][ T457] ? cap_capable (security/commoncap.c:131) 
[ 19.693344][ T457] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 19.693678][ T457] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 19.693944][ T457] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 19.694302][ T457] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 19.694713][ T457] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 19.695106][ T457] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 19.695560][ T457] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 19.695903][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 19.696253][ T457] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 19.696608][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 19.696975][ T457] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 19.697257][ T457] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 19.697601][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 19.697943][ T457] genl_rcv (net/netlink/genetlink.c:1220) 
[ 19.698171][ T457] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 19.698506][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 19.698789][ T457] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 19.699013][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 19.699252][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 19.699456][ T457] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 19.699660][ T457] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 19.699873][ T457] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 19.700078][ T457] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 19.700320][ T457] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 19.700528][ T457] ? __sys_recvmsg (net/socket.c:2859) 
[ 19.700738][ T457] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 19.700950][ T457] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 19.701159][ T457] __x64_sys_sendto (net/socket.c:2181) 
[ 19.701381][ T457] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 19.701631][ T457] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 19.701834][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.702078][  T457] RIP: 0033:0x7fac8cb6fa4a
[ 19.702341][ T457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   19.703003][  T457] RSP: 002b:00007ffcec3e27d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   19.703331][  T457] RAX: ffffffffffffffda RBX: 000000000ae01b00 RCX: 00007fac8cb6fa4a
[   19.703627][  T457] RDX: 0000000000000038 RSI: 000000000ae01b00 RDI: 0000000000000005
[   19.703917][  T457] RBP: 000000000ae01910 R08: 00007fac8cd13200 R09: 000000000000000c
[   19.704235][  T457] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   19.704525][  T457] R13: 000000000ae01910 R14: 0000000000000000 R15: 0000000000000003
| [   20.595202][  T475] ------------[ cut here ]------------
| [ 20.595513][ T475] WARNING: CPU: 2 PID: 475 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   20.595940][  T475] Modules linked in: netdevsim
| [   20.596572][  T475] Tainted: [W]=WARN
[   20.596745][  T475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.597012][ T475] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 20.597309][ T475] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   20.598056][  T475] RSP: 0018:ffffc90000f171e8 EFLAGS: 00010246
[   20.598338][  T475] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   20.598630][  T475] RDX: 0000000000000000 RSI: ffff88800aa0ac98 RDI: ffff888008a00b00
[   20.598930][  T475] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   20.599231][  T475] R10: ffffffff8d7ec227 R11: ffff888008a00040 R12: 0000000000000000
[   20.599527][  T475] R13: ffff88800aa0a128 R14: ffff88800aa0a008 R15: ffff88800aa0a000
[   20.599814][  T475] FS:  00007fa0a811f800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   20.600152][  T475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.600407][  T475] CR2: 00007fa0a84cf200 CR3: 000000000a4a2001 CR4: 0000000000772ef0
[   20.600701][  T475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.600993][  T475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.601310][  T475] PKRU: 55555554
[   20.601469][  T475] Call Trace:
[   20.601623][  T475]  <TASK>
[ 20.601734][ T475] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 20.601935][ T475] ? __warn (kernel/panic.c:748) 
[ 20.602096][ T475] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 20.602315][ T475] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 20.602523][ T475] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 20.602683][ T475] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 20.602882][ T475] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 20.603096][ T475] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 20.603310][ T475] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 20.603522][ T475] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 20.603775][ T475] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 20.603981][ T475] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 20.604197][ T475] register_netdevice (net/core/dev.c:11033) 
[ 20.604406][ T475] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 20.604615][ T475] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 20.604836][ T475] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 20.605093][ T475] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 20.605384][ T475] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 20.605650][ T475] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 20.605908][ T475] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 20.606157][ T475] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 20.606427][ T475] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 20.606628][ T475] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 20.606890][ T475] devlink_reload (net/devlink/dev.c:474) 
[ 20.607097][ T475] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 20.607316][ T475] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 20.607569][ T475] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 20.607778][ T475] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 20.608024][ T475] ? __nla_parse (lib/nlattr.c:732) 
[ 20.608245][ T475] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 20.608451][ T475] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 20.608720][ T475] ? cap_capable (security/commoncap.c:131) 
[ 20.608921][ T475] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 20.609134][ T475] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 20.609368][ T475] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 20.609572][ T475] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 20.609814][ T475] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 20.610059][ T475] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 20.610328][ T475] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 20.610533][ T475] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 20.610731][ T475] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 20.610941][ T475] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 20.611156][ T475] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 20.611325][ T475] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 20.611528][ T475] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 20.611738][ T475] genl_rcv (net/netlink/genetlink.c:1220) 
[ 20.611894][ T475] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 20.612098][ T475] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 20.612323][ T475] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 20.612530][ T475] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 20.612735][ T475] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 20.612932][ T475] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 20.613136][ T475] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 20.613373][ T475] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 20.613581][ T475] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 20.613790][ T475] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 20.614000][ T475] ? __sys_recvmsg (net/socket.c:2859) 
[ 20.614220][ T475] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 20.614433][ T475] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 20.614639][ T475] __x64_sys_sendto (net/socket.c:2181) 
[ 20.614840][ T475] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 20.615086][ T475] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 20.615309][ T475] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.615559][  T475] RIP: 0033:0x7fa0a832ba4a
[ 20.615765][ T475] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   20.616436][  T475] RSP: 002b:00007ffd6fafc5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.616731][  T475] RAX: ffffffffffffffda RBX: 0000000033228b00 RCX: 00007fa0a832ba4a
[   20.617026][  T475] RDX: 0000000000000038 RSI: 0000000033228b00 RDI: 0000000000000005
[   20.617339][  T475] RBP: 0000000033228910 R08: 00007fa0a84cf200 R09: 000000000000000c
[   20.617631][  T475] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   20.617923][  T475] R13: 0000000033228910 R14: 0000000000000000 R15: 0000000000000003
| [   21.478405][  T491] ------------[ cut here ]------------
| [ 21.478754][ T491] WARNING: CPU: 2 PID: 491 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   21.479146][  T491] Modules linked in: netdevsim
| [   21.479720][  T491] Tainted: [W]=WARN
[   21.479878][  T491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.480123][ T491] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 21.480393][ T491] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   21.481056][  T491] RSP: 0018:ffffc90000fa71e8 EFLAGS: 00010246
[   21.481351][  T491] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   21.481642][  T491] RDX: 0000000000000000 RSI: ffff88800a5cac98 RDI: ffff8880086e8b00
[   21.481932][  T491] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   21.482233][  T491] R10: ffffffff8d7ec227 R11: ffff8880086e8040 R12: 0000000000000000
[   21.482522][  T491] R13: ffff88800a5ca128 R14: ffff88800a5ca008 R15: ffff88800a5ca000
[   21.482810][  T491] FS:  00007f1bb06b2800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   21.483145][  T491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.483406][  T491] CR2: 00007f1bb0a62200 CR3: 000000000d906003 CR4: 0000000000772ef0
[   21.483700][  T491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.483993][  T491] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.484292][  T491] PKRU: 55555554
[   21.484448][  T491] Call Trace:
[   21.484604][  T491]  <TASK>
[ 21.484716][ T491] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 21.484918][ T491] ? __warn (kernel/panic.c:748) 
[ 21.485076][ T491] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 21.485293][ T491] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 21.485500][ T491] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 21.485661][ T491] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 21.485861][ T491] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 21.486076][ T491] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 21.486291][ T491] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 21.486500][ T491] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 21.486750][ T491] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 21.486959][ T491] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 21.487164][ T491] register_netdevice (net/core/dev.c:11033) 
[ 21.487386][ T491] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 21.487597][ T491] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 21.487812][ T491] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 21.488076][ T491] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 21.488353][ T491] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 21.488613][ T491] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 21.488877][ T491] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 21.489131][ T491] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 21.489395][ T491] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 21.489594][ T491] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 21.489855][ T491] devlink_reload (net/devlink/dev.c:474) 
[ 21.490060][ T491] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 21.490277][ T491] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 21.490533][ T491] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 21.490739][ T491] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.490987][ T491] ? __nla_parse (lib/nlattr.c:732) 
[ 21.491213][ T491] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 21.491418][ T491] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 21.491679][ T491] ? cap_capable (security/commoncap.c:131) 
[ 21.491880][ T491] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 21.492087][ T491] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 21.492308][ T491] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 21.492514][ T491] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 21.492758][ T491] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 21.493004][ T491] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 21.493275][ T491] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 21.493483][ T491] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 21.493684][ T491] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 21.493887][ T491] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 21.494107][ T491] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 21.494273][ T491] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 21.494479][ T491] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 21.494693][ T491] genl_rcv (net/netlink/genetlink.c:1220) 
[ 21.494848][ T491] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 21.495051][ T491] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 21.495266][ T491] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 21.495473][ T491] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 21.495678][ T491] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 21.495876][ T491] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 21.496084][ T491] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 21.496307][ T491] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 21.496511][ T491] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 21.496723][ T491] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 21.496929][ T491] ? __sys_recvmsg (net/socket.c:2859) 
[ 21.497131][ T491] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 21.497352][ T491] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 21.497560][ T491] __x64_sys_sendto (net/socket.c:2181) 
[ 21.497765][ T491] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 21.498011][ T491] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 21.498226][ T491] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.498474][  T491] RIP: 0033:0x7f1bb08bea4a
[ 21.498717][ T491] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   21.499398][  T491] RSP: 002b:00007fffbdf3fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.499696][  T491] RAX: ffffffffffffffda RBX: 000000002aa8ab00 RCX: 00007f1bb08bea4a
[   21.499983][  T491] RDX: 0000000000000038 RSI: 000000002aa8ab00 RDI: 0000000000000005
[   21.500293][  T491] RBP: 000000002aa8a910 R08: 00007f1bb0a62200 R09: 000000000000000c
[   21.500585][  T491] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   21.500891][  T491] R13: 000000002aa8a910 R14: 0000000000000000 R15: 0000000000000003
| [   24.430499][  T547] ------------[ cut here ]------------
| [ 24.430913][ T547] WARNING: CPU: 2 PID: 547 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   24.431480][  T547] Modules linked in: netdevsim
| [   24.432275][  T547] Tainted: [W]=WARN
[   24.432494][  T547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.432840][ T547] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 24.433227][ T547] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   24.434165][  T547] RSP: 0018:ffffc900012771e8 EFLAGS: 00010246
[   24.434718][  T547] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   24.435129][  T547] RDX: 0000000000000000 RSI: ffff88800b57ac98 RDI: ffff88800be9d080
[   24.435554][  T547] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   24.435966][  T547] R10: ffffffff8d7ec227 R11: ffff88800be9c5c0 R12: 0000000000000000
[   24.436387][  T547] R13: ffff88800b57a128 R14: ffff88800b57a008 R15: ffff88800b57a000
[   24.436797][  T547] FS:  00007f020e5b0800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   24.437307][  T547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.437657][  T547] CR2: 00007f020e960200 CR3: 0000000002088004 CR4: 0000000000772ef0
[   24.438067][  T547] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.438493][  T547] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.438912][  T547] PKRU: 55555554
[   24.439131][  T547] Call Trace:
[   24.439367][  T547]  <TASK>
[ 24.439521][ T547] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 24.439803][ T547] ? __warn (kernel/panic.c:748) 
[ 24.440026][ T547] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 24.440329][ T547] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 24.440623][ T547] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 24.440845][ T547] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 24.441127][ T547] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 24.441464][ T547] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 24.441751][ T547] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 24.442047][ T547] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 24.442420][ T547] ? _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) 
[ 24.442713][ T547] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 24.443004][ T547] register_netdevice (net/core/dev.c:11033) 
[ 24.443315][ T547] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 24.443615][ T547] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 24.443922][ T547] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 24.444305][ T547] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 24.444680][ T547] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 24.445049][ T547] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 24.445448][ T547] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 24.445803][ T547] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 24.446156][ T547] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 24.446453][ T547] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 24.446827][ T547] devlink_reload (net/devlink/dev.c:474) 
[ 24.447118][ T547] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 24.447424][ T547] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 24.447788][ T547] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 24.448076][ T547] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 24.448444][ T547] ? __nla_parse (lib/nlattr.c:732) 
[ 24.448749][ T547] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 24.449034][ T547] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 24.449442][ T547] ? cap_capable (security/commoncap.c:131) 
[ 24.449724][ T547] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 24.450016][ T547] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 24.450317][ T547] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 24.450604][ T547] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 24.450947][ T547] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 24.451305][ T547] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 24.451669][ T547] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 24.451955][ T547] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 24.452252][ T547] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 24.452540][ T547] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 24.452844][ T547] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 24.453064][ T547] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 24.453386][ T547] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 24.453692][ T547] genl_rcv (net/netlink/genetlink.c:1220) 
[ 24.453907][ T547] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 24.454214][ T547] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 24.454501][ T547] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 24.454794][ T547] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 24.455083][ T547] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 24.455378][ T547] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 24.455668][ T547] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 24.455963][ T547] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 24.456266][ T547] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 24.456567][ T547] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 24.456859][ T547] ? __sys_recvmsg (net/socket.c:2859) 
[ 24.457140][ T547] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 24.457468][ T547] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 24.457758][ T547] __x64_sys_sendto (net/socket.c:2181) 
[ 24.458049][ T547] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 24.458412][ T547] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 24.458705][ T547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.459050][  T547] RIP: 0033:0x7f020e7bca4a
[ 24.459355][ T547] 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
[   24.460308][  T547] RSP: 002b:00007fffec5fdef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   24.460725][  T547] RAX: ffffffffffffffda RBX: 00000000256c0b00 RCX: 00007f020e7bca4a
[   24.461128][  T547] RDX: 0000000000000038 RSI: 00000000256c0b00 RDI: 0000000000000005
[   24.461568][  T547] RBP: 00000000256c0910 R08: 00007f020e960200 R09: 000000000000000c
[   24.461982][  T547] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   24.462407][  T547] R13: 00000000256c0910 R14: 0000000000000000 R15: 0000000000000003
| [   26.687322][  T575] ------------[ cut here ]------------
| [ 26.687769][ T575] WARNING: CPU: 2 PID: 575 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   26.688343][  T575] Modules linked in: netdevsim
| [   26.689138][  T575] Tainted: [W]=WARN
[   26.689379][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.689727][ T575] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 26.690079][ T575] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   26.691041][  T575] RSP: 0018:ffffc900014071e8 EFLAGS: 00010246
[   26.691411][  T575] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   26.691827][  T575] RDX: 0000000000000000 RSI: ffff88800c242c98 RDI: ffff88800dac8b00
[   26.692254][  T575] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   26.692675][  T575] R10: ffffffff8d7ec227 R11: ffff88800dac8040 R12: 0000000000000000
[   26.693080][  T575] R13: ffff88800c242128 R14: ffff88800c242008 R15: ffff88800c242000
[   26.693506][  T575] FS:  00007fc87cf67800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   26.693984][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.694350][  T575] CR2: 00007fc87d317200 CR3: 000000000898e001 CR4: 0000000000772ef0
[   26.694762][  T575] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.695172][  T575] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.695600][  T575] PKRU: 55555554
[   26.695818][  T575] Call Trace:
[   26.696039][  T575]  <TASK>
[ 26.696220][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 26.696528][ T575] ? __warn (kernel/panic.c:748) 
[ 26.696763][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 26.697072][ T575] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 26.697401][ T575] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 26.697640][ T575] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 26.697945][ T575] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 26.698287][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 26.698595][ T575] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 26.698915][ T575] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 26.699314][ T575] ? _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) 
[ 26.699628][ T575] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 26.699933][ T575] register_netdevice (net/core/dev.c:11033) 
[ 26.700261][ T575] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 26.700583][ T575] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 26.700909][ T575] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 26.701318][ T575] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 26.701719][ T575] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 26.702107][ T575] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 26.702513][ T575] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 26.702885][ T575] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 26.703263][ T575] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 26.703546][ T575] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 26.703917][ T575] devlink_reload (net/devlink/dev.c:474) 
[ 26.704223][ T575] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 26.704516][ T575] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 26.704874][ T575] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 26.705165][ T575] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 26.705536][ T575] ? __nla_parse (lib/nlattr.c:732) 
[ 26.705835][ T575] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 26.706122][ T575] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 26.706514][ T575] ? cap_capable (security/commoncap.c:131) 
[ 26.706796][ T575] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 26.707092][ T575] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 26.707406][ T575] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 26.707699][ T575] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 26.708045][ T575] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 26.708410][ T575] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 26.708786][ T575] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 26.709077][ T575] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 26.709377][ T575] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 26.709681][ T575] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 26.709990][ T575] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 26.710227][ T575] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 26.710516][ T575] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 26.710811][ T575] genl_rcv (net/netlink/genetlink.c:1220) 
[ 26.711028][ T575] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 26.711340][ T575] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 26.711635][ T575] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 26.711928][ T575] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 26.712241][ T575] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 26.712535][ T575] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 26.712824][ T575] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 26.713130][ T575] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 26.713440][ T575] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 26.713737][ T575] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 26.714058][ T575] ? __sys_recvmsg (net/socket.c:2859) 
[ 26.714376][ T575] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 26.714681][ T575] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 26.714972][ T575] __x64_sys_sendto (net/socket.c:2181) 
[ 26.715283][ T575] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 26.715637][ T575] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 26.715925][ T575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.716292][  T575] RIP: 0033:0x7fc87d173a4a
[ 26.716584][ T575] 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
[   26.717531][  T575] RSP: 002b:00007ffc8d73a6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   26.717947][  T575] RAX: ffffffffffffffda RBX: 0000000026843b00 RCX: 00007fc87d173a4a
[   26.718409][  T575] RDX: 0000000000000038 RSI: 0000000026843b00 RDI: 0000000000000005
[   26.718826][  T575] RBP: 0000000026843910 R08: 00007fc87d317200 R09: 000000000000000c
[   26.719250][  T575] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   26.719659][  T575] R13: 0000000026843910 R14: 0000000000000000 R15: 0000000000000003
| [   28.964970][  T603] ------------[ cut here ]------------
| [ 28.965329][ T603] WARNING: CPU: 1 PID: 603 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   28.965941][  T603] Modules linked in: netdevsim
| [   28.966816][  T603] Tainted: [W]=WARN
[   28.967054][  T603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.967426][ T603] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 28.967777][ T603] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   28.968759][  T603] RSP: 0018:ffffc900015771e8 EFLAGS: 00010246
[   28.969107][  T603] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   28.969550][  T603] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff88800b718b00
[   28.970014][  T603] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   28.970484][  T603] R10: ffffffff8d7ec227 R11: ffff88800b718040 R12: 0000000000000000
[   28.970940][  T603] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[   28.971409][  T603] FS:  00007f2f98278800(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[   28.971942][  T603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.972340][  T603] CR2: 0000558e0744cbc8 CR3: 000000000aae0005 CR4: 0000000000772ef0
[   28.972802][  T603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.973274][  T603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.973733][  T603] PKRU: 55555554
[   28.973967][  T603] Call Trace:
[   28.974213][  T603]  <TASK>
[ 28.974376][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 28.974690][ T603] ? __warn (kernel/panic.c:748) 
[ 28.974933][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 28.975266][ T603] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 28.975587][ T603] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 28.975828][ T603] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 28.976144][ T603] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 28.976495][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 28.976816][ T603] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 28.977137][ T603] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 28.977556][ T603] ? _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) 
[ 28.977880][ T603] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 28.978211][ T603] register_netdevice (net/core/dev.c:11033) 
[ 28.978537][ T603] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 28.978878][ T603] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 28.979238][ T603] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 28.979648][ T603] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 28.980068][ T603] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 28.980511][ T603] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 28.980919][ T603] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 28.981331][ T603] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 28.981725][ T603] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 28.982145][ T603] devlink_reload (net/devlink/dev.c:474) 
[ 28.982484][ T603] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 28.982804][ T603] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 28.983225][ T603] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 28.983545][ T603] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 28.983938][ T603] ? __nla_parse (lib/nlattr.c:732) 
[ 28.984287][ T603] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 28.984606][ T603] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 28.985020][ T603] ? cap_capable (security/commoncap.c:131) 
[ 28.985344][ T603] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 28.985668][ T603] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 28.985990][ T603] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 28.986315][ T603] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 28.986700][ T603] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 28.987081][ T603] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 28.987507][ T603] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 28.987823][ T603] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 28.988133][ T603] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 28.988464][ T603] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 28.988829][ T603] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 28.989068][ T603] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 28.989398][ T603] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 28.989724][ T603] genl_rcv (net/netlink/genetlink.c:1220) 
[ 28.989960][ T603] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 28.990293][ T603] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 28.990609][ T603] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 28.990937][ T603] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 28.991278][ T603] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 28.991587][ T603] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 28.991902][ T603] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 28.992243][ T603] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 28.992560][ T603] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 28.992889][ T603] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 28.993222][ T603] ? __sys_recvmsg (net/socket.c:2859) 
[ 28.993541][ T603] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 28.993874][ T603] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 28.994207][ T603] __x64_sys_sendto (net/socket.c:2181) 
[ 28.994521][ T603] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 28.994904][ T603] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.995233][ T603] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.995615][  T603] RIP: 0033:0x7f2f98484a4a
[ 28.995940][ T603] 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
[   28.997015][  T603] RSP: 002b:00007fff2a3931f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   28.997493][  T603] RAX: ffffffffffffffda RBX: 000000000cef4b00 RCX: 00007f2f98484a4a
[   28.997958][  T603] RDX: 0000000000000038 RSI: 000000000cef4b00 RDI: 0000000000000005
[   28.998425][  T603] RBP: 000000000cef4910 R08: 00007f2f98628200 R09: 000000000000000c
[   28.998888][  T603] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   28.999355][  T603] R13: 000000000cef4910 R14: 0000000000000000 R15: 0000000000000003
| [   49.002913][ T1041] ------------[ cut here ]------------
| [ 49.003220][ T1041] WARNING: CPU: 0 PID: 1041 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   49.003815][ T1041] Modules linked in: netdevsim
| [   49.004707][ T1041] Tainted: [W]=WARN
[   49.004949][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.005395][ T1041] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 49.005795][ T1041] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   49.006898][ T1041] RSP: 0018:ffffc900027a71e8 EFLAGS: 00010246
[   49.007306][ T1041] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   49.007777][ T1041] RDX: 0000000000000000 RSI: ffff88800a6a2c98 RDI: ffff88800b495080
[   49.008257][ T1041] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   49.008730][ T1041] R10: ffffffff8d7ec227 R11: ffff88800b4945c0 R12: 0000000000000000
[   49.009216][ T1041] R13: ffff88800a6a2128 R14: ffff88800a6a2008 R15: ffff88800a6a2000
[   49.009685][ T1041] FS:  00007f2587d2c800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   49.010239][ T1041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.010629][ T1041] CR2: 00007f25880dc200 CR3: 000000000e97e004 CR4: 0000000000772ef0
[   49.011099][ T1041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   49.011580][ T1041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   49.012042][ T1041] PKRU: 55555554
[   49.012294][ T1041] Call Trace:
[   49.012530][ T1041]  <TASK>
[ 49.012697][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 49.013011][ T1041] ? __warn (kernel/panic.c:748) 
[ 49.013270][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 49.013586][ T1041] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 49.013913][ T1041] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 49.014155][ T1041] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 49.014479][ T1041] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 49.014813][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 49.015129][ T1041] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 49.015468][ T1041] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 49.015871][ T1041] ? _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) 
[ 49.016218][ T1041] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 49.016543][ T1041] register_netdevice (net/core/dev.c:11033) 
[ 49.016868][ T1041] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 49.017226][ T1041] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 49.017574][ T1041] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 49.017982][ T1041] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 49.018418][ T1041] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 49.018843][ T1041] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 49.019269][ T1041] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 49.019669][ T1041] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 49.020063][ T1041] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 49.020388][ T1041] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 49.020808][ T1041] devlink_reload (net/devlink/dev.c:474) 
[ 49.021132][ T1041] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 49.021463][ T1041] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 49.021868][ T1041] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 49.022205][ T1041] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.022598][ T1041] ? __nla_parse (lib/nlattr.c:732) 
[ 49.022931][ T1041] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 49.023267][ T1041] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 49.023686][ T1041] ? cap_capable (security/commoncap.c:131) 
[ 49.024001][ T1041] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 49.024341][ T1041] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 49.024677][ T1041] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 49.025003][ T1041] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 49.025415][ T1041] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 49.025797][ T1041] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 49.026221][ T1041] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 49.026537][ T1041] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 49.026850][ T1041] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 49.027166][ T1041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 49.027524][ T1041] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 49.027764][ T1041] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 49.028083][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 49.028426][ T1041] genl_rcv (net/netlink/genetlink.c:1220) 
[ 49.028683][ T1041] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 49.029004][ T1041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 49.029332][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 49.029656][ T1041] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 49.029981][ T1041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 49.030301][ T1041] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 49.030618][ T1041] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 49.030953][ T1041] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 49.031304][ T1041] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 49.031651][ T1041] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 49.031989][ T1041] ? __sys_recvmsg (net/socket.c:2859) 
[ 49.032329][ T1041] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 49.032679][ T1041] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 49.033014][ T1041] __x64_sys_sendto (net/socket.c:2181) 
[ 49.033355][ T1041] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 49.033767][ T1041] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 49.034103][ T1041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.034522][ T1041] RIP: 0033:0x7f2587f38a4a
[ 49.034860][ T1041] 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
[   49.035962][ T1041] RSP: 002b:00007ffc85045d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   49.036437][ T1041] RAX: ffffffffffffffda RBX: 000000000eff3b00 RCX: 00007f2587f38a4a
[   49.036898][ T1041] RDX: 0000000000000038 RSI: 000000000eff3b00 RDI: 0000000000000005
[   49.037365][ T1041] RBP: 000000000eff3910 R08: 00007f25880dc200 R09: 000000000000000c
[   49.037826][ T1041] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   49.038293][ T1041] R13: 000000000eff3910 R14: 0000000000000000 R15: 0000000000000003
| [   50.511628][ T1073] ------------[ cut here ]------------
| [ 50.511920][ T1073] WARNING: CPU: 0 PID: 1073 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   50.512528][ T1073] Modules linked in: netdevsim
| [   50.513419][ T1073] Tainted: [W]=WARN
[   50.513657][ T1073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.514043][ T1073] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 50.514474][ T1073] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   50.515721][ T1073] RSP: 0018:ffffc900028f71e8 EFLAGS: 00010246
[   50.516060][ T1073] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   50.516648][ T1073] RDX: 0000000000000000 RSI: ffff88800aa0ac98 RDI: ffff88800db32dc0
[   50.517085][ T1073] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   50.517707][ T1073] R10: ffffffff8d7ec227 R11: ffff88800db32300 R12: 0000000000000000
[   50.518112][ T1073] R13: ffff88800aa0a128 R14: ffff88800aa0a008 R15: ffff88800aa0a000
[   50.518713][ T1073] FS:  00007f9fe1556800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   50.519380][ T1073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.519715][ T1073] CR2: 00007f9fe1906200 CR3: 000000000a94c005 CR4: 0000000000772ef0
[   50.520173][ T1073] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   50.520747][ T1073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   50.521203][ T1073] PKRU: 55555554
[   50.521439][ T1073] Call Trace:
[   50.521674][ T1073]  <TASK>
[ 50.521837][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 50.522149][ T1073] ? __warn (kernel/panic.c:748) 
[ 50.522427][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 50.522745][ T1073] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 50.523067][ T1073] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 50.523324][ T1073] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 50.523642][ T1073] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 50.523981][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 50.524316][ T1073] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 50.524641][ T1073] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 50.525036][ T1073] ? _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) 
[ 50.525376][ T1073] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 50.525703][ T1073] register_netdevice (net/core/dev.c:11033) 
[ 50.526024][ T1073] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 50.526392][ T1073] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 50.526733][ T1073] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 50.527143][ T1073] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 50.527582][ T1073] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 50.527998][ T1073] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 50.528420][ T1073] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 50.528825][ T1073] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 50.529236][ T1073] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 50.529548][ T1073] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 50.529964][ T1073] devlink_reload (net/devlink/dev.c:474) 
[ 50.530320][ T1073] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 50.530645][ T1073] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 50.531045][ T1073] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 50.531382][ T1073] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.531773][ T1073] ? __nla_parse (lib/nlattr.c:732) 
[ 50.532101][ T1073] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 50.532443][ T1073] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 50.532861][ T1073] ? cap_capable (security/commoncap.c:131) 
[ 50.533176][ T1073] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 50.533517][ T1073] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 50.533833][ T1073] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 50.534144][ T1073] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 50.534577][ T1073] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 50.534963][ T1073] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 50.535387][ T1073] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 50.535703][ T1073] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 50.536012][ T1073] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 50.536350][ T1073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 50.536690][ T1073] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 50.536926][ T1073] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 50.537266][ T1073] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 50.537592][ T1073] genl_rcv (net/netlink/genetlink.c:1220) 
[ 50.537826][ T1073] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 50.538145][ T1073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 50.538501][ T1073] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 50.538828][ T1073] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 50.539147][ T1073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 50.539469][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 50.539791][ T1073] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 50.540118][ T1073] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 50.540452][ T1073] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 50.540783][ T1073] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 50.541104][ T1073] ? __sys_recvmsg (net/socket.c:2859) 
[ 50.541427][ T1073] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 50.541758][ T1073] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 50.542083][ T1073] __x64_sys_sendto (net/socket.c:2181) 
[ 50.542428][ T1073] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 50.542814][ T1073] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 50.543127][ T1073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.543523][ T1073] RIP: 0033:0x7f9fe1762a4a
[ 50.543840][ T1073] 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
[   50.544927][ T1073] RSP: 002b:00007ffc1bf63878 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   50.545430][ T1073] RAX: ffffffffffffffda RBX: 000000003f55ab00 RCX: 00007f9fe1762a4a
[   50.545909][ T1073] RDX: 0000000000000038 RSI: 000000003f55ab00 RDI: 0000000000000005
[   50.546430][ T1073] RBP: 000000003f55a910 R08: 00007f9fe1906200 R09: 000000000000000c
[   50.546913][ T1073] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   50.547405][ T1073] R13: 000000003f55a910 R14: 0000000000000000 R15: 0000000000000003
| [   51.572236][ T1098] ------------[ cut here ]------------
| [ 51.572475][ T1098] WARNING: CPU: 3 PID: 1098 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   51.572865][ T1098] Modules linked in: netdevsim
| [   51.573437][ T1098] Tainted: [W]=WARN
[   51.573592][ T1098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.573844][ T1098] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 51.574093][ T1098] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   51.574800][ T1098] RSP: 0018:ffffc900029c71e8 EFLAGS: 00010246
[   51.575047][ T1098] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   51.575340][ T1098] RDX: 0000000000000000 RSI: ffff88800a5cac98 RDI: ffff88800bef8b00
[   51.575618][ T1098] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   51.575899][ T1098] R10: ffffffff8d7ec227 R11: ffff88800bef8040 R12: 0000000000000000
[   51.576174][ T1098] R13: ffff88800a5ca128 R14: ffff88800a5ca008 R15: ffff88800a5ca000
[   51.576462][ T1098] FS:  00007fef97a56800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[   51.576787][ T1098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.577026][ T1098] CR2: 00007fef97e06200 CR3: 000000000a990005 CR4: 0000000000772ef0
[   51.577328][ T1098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   51.577618][ T1098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   51.577899][ T1098] PKRU: 55555554
[   51.578046][ T1098] Call Trace:
[   51.578645][ T1098]  <TASK>
[ 51.578764][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 51.578969][ T1098] ? __warn (kernel/panic.c:748) 
[ 51.579127][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 51.579355][ T1098] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 51.579603][ T1098] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 51.579757][ T1098] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 51.579958][ T1098] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 51.580175][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 51.580395][ T1098] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 51.580606][ T1098] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 51.580861][ T1098] ? _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) 
[ 51.581070][ T1098] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 51.581308][ T1098] register_netdevice (net/core/dev.c:11033) 
[ 51.581519][ T1098] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 51.581732][ T1098] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 51.581953][ T1098] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 51.582223][ T1098] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 51.582491][ T1098] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 51.582761][ T1098] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 51.583020][ T1098] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 51.583286][ T1098] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 51.583546][ T1098] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 51.583737][ T1098] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 51.583992][ T1098] devlink_reload (net/devlink/dev.c:474) 
[ 51.584198][ T1098] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 51.584388][ T1098] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 51.584634][ T1098] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 51.584826][ T1098] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 51.585063][ T1098] ? __nla_parse (lib/nlattr.c:732) 
[ 51.585281][ T1098] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 51.585476][ T1098] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 51.585735][ T1098] ? cap_capable (security/commoncap.c:131) 
[ 51.585921][ T1098] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 51.586116][ T1098] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 51.586320][ T1098] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 51.586510][ T1098] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 51.586742][ T1098] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 51.586975][ T1098] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 51.587233][ T1098] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 51.587426][ T1098] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 51.587613][ T1098] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 51.587803][ T1098] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 51.588010][ T1098] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 51.588153][ T1098] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 51.588354][ T1098] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 51.588564][ T1098] genl_rcv (net/netlink/genetlink.c:1220) 
[ 51.588710][ T1098] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 51.588902][ T1098] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 51.589096][ T1098] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 51.589324][ T1098] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 51.589526][ T1098] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 51.589724][ T1098] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 51.589915][ T1098] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 51.590112][ T1098] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 51.590317][ T1098] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 51.590524][ T1098] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 51.590717][ T1098] ? __sys_recvmsg (net/socket.c:2859) 
[ 51.590905][ T1098] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 51.591103][ T1098] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 51.591322][ T1098] __x64_sys_sendto (net/socket.c:2181) 
[ 51.591550][ T1098] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 51.591813][ T1098] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 51.592042][ T1098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.592314][ T1098] RIP: 0033:0x7fef97c62a4a
[ 51.592524][ T1098] 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
[   51.593255][ T1098] RSP: 002b:00007ffc3daf4748 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   51.593564][ T1098] RAX: ffffffffffffffda RBX: 0000000023d03b00 RCX: 00007fef97c62a4a
[   51.593864][ T1098] RDX: 0000000000000038 RSI: 0000000023d03b00 RDI: 0000000000000005
[   51.594160][ T1098] RBP: 0000000023d03910 R08: 00007fef97e06200 R09: 000000000000000c
[   51.594473][ T1098] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   51.594778][ T1098] R13: 0000000023d03910 R14: 0000000000000000 R15: 0000000000000003
| [   54.084717][ T1131] ------------[ cut here ]------------
| [ 54.085048][ T1131] WARNING: CPU: 2 PID: 1131 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   54.085463][ T1131] Modules linked in: netdevsim
| [   54.086028][ T1131] Tainted: [W]=WARN
[   54.086205][ T1131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.086472][ T1131] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 54.086723][ T1131] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   54.087400][ T1131] RSP: 0018:ffffc90002b971e8 EFLAGS: 00010246
[   54.087660][ T1131] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   54.087954][ T1131] RDX: 0000000000000000 RSI: ffff88800b57ac98 RDI: ffff88800b495080
[   54.088347][ T1131] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   54.088728][ T1131] R10: ffffffff8d7ec227 R11: ffff88800b4945c0 R12: 0000000000000000
[   54.089097][ T1131] R13: ffff88800b57a128 R14: ffff88800b57a008 R15: ffff88800b57a000
[   54.089479][ T1131] FS:  00007f9980d69800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   54.089896][ T1131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.090249][ T1131] CR2: 00007f9981119200 CR3: 0000000004c8e002 CR4: 0000000000772ef0
[   54.090553][ T1131] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.090846][ T1131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.091139][ T1131] PKRU: 55555554
[   54.091309][ T1131] Call Trace:
[   54.091466][ T1131]  <TASK>
[ 54.091582][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 54.091788][ T1131] ? __warn (kernel/panic.c:748) 
[ 54.091948][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 54.092151][ T1131] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 54.092374][ T1131] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 54.092534][ T1131] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 54.092739][ T1131] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 54.092954][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 54.093162][ T1131] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 54.093380][ T1131] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 54.093637][ T1131] ? _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) 
[ 54.093843][ T1131] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 54.094051][ T1131] register_netdevice (net/core/dev.c:11033) 
[ 54.094287][ T1131] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 54.094509][ T1131] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 54.094726][ T1131] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 54.094987][ T1131] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 54.095268][ T1131] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 54.095537][ T1131] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 54.095800][ T1131] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 54.096059][ T1131] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 54.096318][ T1131] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 54.096522][ T1131] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 54.096785][ T1131] devlink_reload (net/devlink/dev.c:474) 
[ 54.096996][ T1131] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 54.097210][ T1131] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 54.097468][ T1131] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 54.097676][ T1131] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 54.097926][ T1131] ? __nla_parse (lib/nlattr.c:732) 
[ 54.098136][ T1131] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 54.098366][ T1131] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 54.098645][ T1131] ? cap_capable (security/commoncap.c:131) 
[ 54.098848][ T1131] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 54.099053][ T1131] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 54.099273][ T1131] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 54.099475][ T1131] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 54.099730][ T1131] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 54.099976][ T1131] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 54.100250][ T1131] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 54.100454][ T1131] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 54.100657][ T1131] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 54.100859][ T1131] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 54.101074][ T1131] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 54.101241][ T1131] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 54.101448][ T1131] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 54.101657][ T1131] genl_rcv (net/netlink/genetlink.c:1220) 
[ 54.101813][ T1131] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 54.102026][ T1131] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 54.102255][ T1131] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 54.102468][ T1131] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 54.102672][ T1131] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 54.102872][ T1131] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 54.103074][ T1131] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 54.103297][ T1131] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 54.103501][ T1131] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 54.103720][ T1131] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 54.103927][ T1131] ? __sys_recvmsg (net/socket.c:2859) 
[ 54.104128][ T1131] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 54.104351][ T1131] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 54.104557][ T1131] __x64_sys_sendto (net/socket.c:2181) 
[ 54.104758][ T1131] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 54.105001][ T1131] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 54.105221][ T1131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.105465][ T1131] RIP: 0033:0x7f9980f75a4a
[ 54.105672][ T1131] 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
[   54.106352][ T1131] RSP: 002b:00007ffe8c5efb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   54.106656][ T1131] RAX: ffffffffffffffda RBX: 000000001a991b00 RCX: 00007f9980f75a4a
[   54.106945][ T1131] RDX: 0000000000000038 RSI: 000000001a991b00 RDI: 0000000000000005
[   54.107249][ T1131] RBP: 000000001a991910 R08: 00007f9981119200 R09: 000000000000000c
[   54.107544][ T1131] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   54.107839][ T1131] R13: 000000001a991910 R14: 0000000000000000 R15: 0000000000000003
| [   56.434467][ T1161] ------------[ cut here ]------------
| [ 56.434727][ T1161] WARNING: CPU: 0 PID: 1161 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   56.435129][ T1161] Modules linked in: netdevsim
| [   56.435717][ T1161] Tainted: [W]=WARN
[   56.435872][ T1161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.436129][ T1161] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 56.436414][ T1161] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   56.437119][ T1161] RSP: 0018:ffffc90002d171e8 EFLAGS: 00010246
[   56.437385][ T1161] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   56.437688][ T1161] RDX: 0000000000000000 RSI: ffff88800c242c98 RDI: ffff888004c9d080
[   56.437992][ T1161] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   56.438302][ T1161] R10: ffffffff8d7ec227 R11: ffff888004c9c5c0 R12: 0000000000000000
[   56.438617][ T1161] R13: ffff88800c242128 R14: ffff88800c242008 R15: ffff88800c242000
[   56.438916][ T1161] FS:  00007ffa4d467800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   56.439277][ T1161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.439534][ T1161] CR2: 00007ffa4d817200 CR3: 0000000004c8e003 CR4: 0000000000772ef0
[   56.439834][ T1161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.440144][ T1161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.440462][ T1161] PKRU: 55555554
[   56.440626][ T1161] Call Trace:
[   56.440781][ T1161]  <TASK>
[ 56.440885][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 56.441088][ T1161] ? __warn (kernel/panic.c:748) 
[ 56.441404][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 56.441617][ T1161] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 56.441826][ T1161] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 56.441982][ T1161] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 56.442200][ T1161] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 56.442418][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 56.442623][ T1161] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 56.442834][ T1161] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 56.443095][ T1161] ? _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) 
[ 56.443318][ T1161] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 56.443525][ T1161] register_netdevice (net/core/dev.c:11033) 
[ 56.443732][ T1161] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 56.443949][ T1161] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 56.444170][ T1161] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 56.444457][ T1161] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 56.444727][ T1161] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 56.444994][ T1161] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 56.445263][ T1161] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 56.445523][ T1161] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 56.445777][ T1161] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 56.445980][ T1161] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 56.446263][ T1161] devlink_reload (net/devlink/dev.c:474) 
[ 56.446471][ T1161] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 56.446681][ T1161] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 56.446941][ T1161] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 56.447152][ T1161] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 56.447416][ T1161] ? __nla_parse (lib/nlattr.c:732) 
[ 56.447629][ T1161] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 56.447837][ T1161] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 56.448099][ T1161] ? cap_capable (security/commoncap.c:131) 
[ 56.448321][ T1161] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 56.448542][ T1161] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 56.448750][ T1161] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 56.448955][ T1161] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 56.449213][ T1161] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 56.449463][ T1161] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 56.449728][ T1161] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 56.449940][ T1161] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 56.450144][ T1161] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 56.450359][ T1161] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 56.450578][ T1161] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 56.450735][ T1161] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 56.450940][ T1161] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 56.451154][ T1161] genl_rcv (net/netlink/genetlink.c:1220) 
[ 56.451318][ T1161] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 56.451526][ T1161] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 56.451734][ T1161] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 56.451943][ T1161] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 56.452159][ T1161] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 56.452380][ T1161] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 56.452587][ T1161] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 56.452799][ T1161] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 56.453004][ T1161] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 56.453221][ T1161] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 56.453430][ T1161] ? __sys_recvmsg (net/socket.c:2859) 
[ 56.453635][ T1161] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 56.453855][ T1161] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 56.454064][ T1161] __x64_sys_sendto (net/socket.c:2181) 
[ 56.454276][ T1161] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 56.454531][ T1161] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 56.454734][ T1161] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.454964][ T1161] RIP: 0033:0x7ffa4d673a4a
[ 56.455159][ T1161] 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
[   56.455822][ T1161] RSP: 002b:00007ffcb3213188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   56.456104][ T1161] RAX: ffffffffffffffda RBX: 000000001477bb00 RCX: 00007ffa4d673a4a
[   56.456399][ T1161] RDX: 0000000000000038 RSI: 000000001477bb00 RDI: 0000000000000005
[   56.456685][ T1161] RBP: 000000001477b910 R08: 00007ffa4d817200 R09: 000000000000000c
[   56.456958][ T1161] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   56.457242][ T1161] R13: 000000001477b910 R14: 0000000000000000 R15: 0000000000000003
| [   58.550149][ T1189] ------------[ cut here ]------------
| [ 58.550490][ T1189] WARNING: CPU: 2 PID: 1189 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   58.550881][ T1189] Modules linked in: netdevsim
| [   58.551444][ T1189] Tainted: [W]=WARN
[   58.551605][ T1189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.551855][ T1189] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 58.552104][ T1189] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   58.552773][ T1189] RSP: 0018:ffffc90002eb71e8 EFLAGS: 00010246
[   58.553025][ T1189] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   58.553323][ T1189] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff88800db35080
[   58.553615][ T1189] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   58.553905][ T1189] R10: ffffffff8d7ec227 R11: ffff88800db345c0 R12: 0000000000000000
[   58.554203][ T1189] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[   58.554498][ T1189] FS:  00007f4cc3df7800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   58.554831][ T1189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.555082][ T1189] CR2: 00007fecd759f000 CR3: 0000000005764001 CR4: 0000000000772ef0
[   58.555388][ T1189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   58.555680][ T1189] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   58.555973][ T1189] PKRU: 55555554
[   58.556128][ T1189] Call Trace:
[   58.556296][ T1189]  <TASK>
[ 58.556407][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 58.556617][ T1189] ? __warn (kernel/panic.c:748) 
[ 58.556777][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 58.556978][ T1189] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 58.557198][ T1189] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 58.557358][ T1189] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 58.557560][ T1189] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 58.557775][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 58.557983][ T1189] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 58.558199][ T1189] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 58.558461][ T1189] ? _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) 
[ 58.558668][ T1189] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 58.558874][ T1189] register_netdevice (net/core/dev.c:11033) 
[ 58.559081][ T1189] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 58.559304][ T1189] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 58.559523][ T1189] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 58.559781][ T1189] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 58.560048][ T1189] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 58.560321][ T1189] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 58.560577][ T1189] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 58.560829][ T1189] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 58.561081][ T1189] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 58.561356][ T1189] devlink_reload (net/devlink/dev.c:474) 
[ 58.561563][ T1189] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 58.561771][ T1189] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 58.562026][ T1189] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 58.562242][ T1189] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 58.562493][ T1189] ? __nla_parse (lib/nlattr.c:732) 
[ 58.562705][ T1189] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 58.562910][ T1189] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 58.563172][ T1189] ? cap_capable (security/commoncap.c:131) 
[ 58.563383][ T1189] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 58.563596][ T1189] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 58.563802][ T1189] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 58.564004][ T1189] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 58.564259][ T1189] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 58.564512][ T1189] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 58.564774][ T1189] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 58.564976][ T1189] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 58.565177][ T1189] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 58.565392][ T1189] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 58.565610][ T1189] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 58.565765][ T1189] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 58.565974][ T1189] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 58.566192][ T1189] genl_rcv (net/netlink/genetlink.c:1220) 
[ 58.566353][ T1189] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 58.566558][ T1189] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 58.566760][ T1189] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 58.566968][ T1189] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 58.567172][ T1189] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 58.567379][ T1189] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 58.567583][ T1189] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 58.567795][ T1189] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 58.567999][ T1189] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 58.568221][ T1189] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 58.568447][ T1189] ? __sys_recvmsg (net/socket.c:2859) 
[ 58.568650][ T1189] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 58.568860][ T1189] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 58.569070][ T1189] __x64_sys_sendto (net/socket.c:2181) 
[ 58.569279][ T1189] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 58.569526][ T1189] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 58.569728][ T1189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.569980][ T1189] RIP: 0033:0x7f4cc4003a4a
[ 58.570194][ T1189] 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
[   58.570851][ T1189] RSP: 002b:00007ffd501b4658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   58.571144][ T1189] RAX: ffffffffffffffda RBX: 000000002dd60b00 RCX: 00007f4cc4003a4a
[   58.571446][ T1189] RDX: 0000000000000038 RSI: 000000002dd60b00 RDI: 0000000000000005
[   58.571733][ T1189] RBP: 000000002dd60910 R08: 00007f4cc41a7200 R09: 000000000000000c
[   58.572023][ T1189] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   58.572318][ T1189] R13: 000000002dd60910 R14: 0000000000000000 R15: 0000000000000003
| [   67.449915][ T1409] ------------[ cut here ]------------
| [ 67.450169][ T1409] WARNING: CPU: 0 PID: 1409 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   67.450614][ T1409] Modules linked in: netdevsim
| [   67.451207][ T1409] Tainted: [W]=WARN
[   67.451364][ T1409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.451619][ T1409] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 67.451881][ T1409] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   67.452597][ T1409] RSP: 0018:ffffc900037c71e8 EFLAGS: 00010246
[   67.452855][ T1409] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   67.453162][ T1409] RDX: 0000000000000000 RSI: ffff88800a6a2c98 RDI: ffff8880086eadc0
[   67.453471][ T1409] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   67.453775][ T1409] R10: ffffffff8d7ec227 R11: ffff8880086ea300 R12: 0000000000000000
[   67.454079][ T1409] R13: ffff88800a6a2128 R14: ffff88800a6a2008 R15: ffff88800a6a2000
[   67.454404][ T1409] FS:  00007fc28c91a800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   67.454756][ T1409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.455013][ T1409] CR2: 00007fc28ccca200 CR3: 000000000bd7c004 CR4: 0000000000772ef0
[   67.455357][ T1409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   67.455660][ T1409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   67.455964][ T1409] PKRU: 55555554
[   67.456121][ T1409] Call Trace:
[   67.456289][ T1409]  <TASK>
[ 67.456397][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 67.456601][ T1409] ? __warn (kernel/panic.c:748) 
[ 67.456757][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 67.456962][ T1409] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 67.457172][ T1409] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 67.457337][ T1409] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 67.457545][ T1409] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 67.457762][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 67.457968][ T1409] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 67.458178][ T1409] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 67.458467][ T1409] ? _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) 
[ 67.458679][ T1409] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 67.458890][ T1409] register_netdevice (net/core/dev.c:11033) 
[ 67.459101][ T1409] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 67.459324][ T1409] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 67.459548][ T1409] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 67.459815][ T1409] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 67.460086][ T1409] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 67.460368][ T1409] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 67.460632][ T1409] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 67.460894][ T1409] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 67.461150][ T1409] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 67.461367][ T1409] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 67.461635][ T1409] devlink_reload (net/devlink/dev.c:474) 
[ 67.461846][ T1409] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 67.462055][ T1409] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 67.462337][ T1409] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 67.462549][ T1409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 67.462805][ T1409] ? __nla_parse (lib/nlattr.c:732) 
[ 67.463023][ T1409] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 67.463241][ T1409] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 67.463513][ T1409] ? cap_capable (security/commoncap.c:131) 
[ 67.463721][ T1409] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 67.463933][ T1409] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 67.464144][ T1409] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 67.464361][ T1409] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 67.464611][ T1409] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 67.464863][ T1409] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 67.465130][ T1409] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 67.465347][ T1409] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 67.465547][ T1409] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 67.465754][ T1409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 67.465972][ T1409] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 67.466128][ T1409] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 67.466354][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 67.466571][ T1409] genl_rcv (net/netlink/genetlink.c:1220) 
[ 67.466725][ T1409] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 67.466933][ T1409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 67.467143][ T1409] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 67.467370][ T1409] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 67.467580][ T1409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 67.467782][ T1409] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 67.467990][ T1409] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 67.468212][ T1409] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 67.468427][ T1409] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 67.468640][ T1409] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 67.468849][ T1409] ? __sys_recvmsg (net/socket.c:2859) 
[ 67.469057][ T1409] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 67.469278][ T1409] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 67.469487][ T1409] __x64_sys_sendto (net/socket.c:2181) 
[ 67.469691][ T1409] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 67.469946][ T1409] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 67.470150][ T1409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.470420][ T1409] RIP: 0033:0x7fc28cb26a4a
[ 67.470635][ T1409] 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
[   67.471347][ T1409] RSP: 002b:00007fff93cbe178 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   67.471649][ T1409] RAX: ffffffffffffffda RBX: 000000000b985b00 RCX: 00007fc28cb26a4a
[   67.471956][ T1409] RDX: 0000000000000038 RSI: 000000000b985b00 RDI: 0000000000000005
[   67.472264][ T1409] RBP: 000000000b985910 R08: 00007fc28ccca200 R09: 000000000000000c
[   67.472566][ T1409] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   67.472864][ T1409] R13: 000000000b985910 R14: 0000000000000000 R15: 0000000000000003
| [   68.330058][ T1426] ------------[ cut here ]------------
| [ 68.330370][ T1426] WARNING: CPU: 0 PID: 1426 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   68.330745][ T1426] Modules linked in: netdevsim
| [   68.331286][ T1426] Tainted: [W]=WARN
[   68.331429][ T1426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.331659][ T1426] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 68.331896][ T1426] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   68.332641][ T1426] RSP: 0018:ffffc900038671e8 EFLAGS: 00010246
[   68.332878][ T1426] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   68.333152][ T1426] RDX: 0000000000000000 RSI: ffff88800aa0ac98 RDI: ffff8880026eadc0
[   68.333509][ T1426] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   68.333790][ T1426] R10: ffffffff8d7ec227 R11: ffff8880026ea300 R12: 0000000000000000
[   68.334064][ T1426] R13: ffff88800aa0a128 R14: ffff88800aa0a008 R15: ffff88800aa0a000
[   68.334421][ T1426] FS:  00007f1d6754f800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   68.334741][ T1426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.334973][ T1426] CR2: 00007fa364d34000 CR3: 000000000c35c006 CR4: 0000000000772ef0
[   68.335338][ T1426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   68.335614][ T1426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   68.335888][ T1426] PKRU: 55555554
[   68.336027][ T1426] Call Trace:
[   68.336169][ T1426]  <TASK>
[ 68.336350][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 68.336543][ T1426] ? __warn (kernel/panic.c:748) 
[ 68.336689][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 68.336877][ T1426] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 68.337070][ T1426] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 68.337290][ T1426] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 68.337478][ T1426] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 68.337678][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 68.337870][ T1426] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 68.338062][ T1426] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 68.338308][ T1426] ? _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) 
[ 68.338509][ T1426] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 68.338701][ T1426] register_netdevice (net/core/dev.c:11033) 
[ 68.338892][ T1426] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 68.339093][ T1426] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 68.339311][ T1426] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 68.339555][ T1426] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 68.339804][ T1426] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 68.340048][ T1426] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 68.340301][ T1426] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 68.340548][ T1426] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 68.340784][ T1426] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 68.340971][ T1426] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 68.341225][ T1426] devlink_reload (net/devlink/dev.c:474) 
[ 68.341418][ T1426] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 68.341607][ T1426] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 68.341855][ T1426] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 68.342046][ T1426] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 68.342290][ T1426] ? __nla_parse (lib/nlattr.c:732) 
[ 68.342488][ T1426] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 68.342679][ T1426] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 68.342926][ T1426] ? cap_capable (security/commoncap.c:131) 
[ 68.343111][ T1426] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 68.343323][ T1426] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 68.343514][ T1426] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 68.343701][ T1426] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 68.343930][ T1426] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 68.344160][ T1426] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 68.344413][ T1426] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 68.344604][ T1426] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 68.344801][ T1426] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 68.345011][ T1426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 68.345234][ T1426] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 68.345380][ T1426] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 68.345587][ T1426] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 68.345797][ T1426] genl_rcv (net/netlink/genetlink.c:1220) 
[ 68.345947][ T1426] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 68.346158][ T1426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 68.346371][ T1426] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 68.346581][ T1426] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 68.346790][ T1426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 68.346991][ T1426] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 68.347203][ T1426] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 68.347419][ T1426] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 68.347629][ T1426] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 68.347843][ T1426] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 68.348050][ T1426] ? __sys_recvmsg (net/socket.c:2859) 
[ 68.348262][ T1426] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 68.348485][ T1426] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 68.348692][ T1426] __x64_sys_sendto (net/socket.c:2181) 
[ 68.348896][ T1426] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 68.349148][ T1426] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 68.349365][ T1426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   68.349617][ T1426] RIP: 0033:0x7f1d6775ba4a
[ 68.349825][ T1426] 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
[   68.350529][ T1426] RSP: 002b:00007ffd827792c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   68.350835][ T1426] RAX: ffffffffffffffda RBX: 00000000086f2b00 RCX: 00007f1d6775ba4a
[   68.351135][ T1426] RDX: 0000000000000038 RSI: 00000000086f2b00 RDI: 0000000000000005
[   68.351442][ T1426] RBP: 00000000086f2910 R08: 00007f1d678ff200 R09: 000000000000000c
[   68.351741][ T1426] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   68.352043][ T1426] R13: 00000000086f2910 R14: 0000000000000000 R15: 0000000000000003
| [   69.187977][ T1442] ------------[ cut here ]------------
| [ 69.188297][ T1442] WARNING: CPU: 2 PID: 1442 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   69.188734][ T1442] Modules linked in: netdevsim
| [   69.189411][ T1442] Tainted: [W]=WARN
[   69.189583][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.189849][ T1442] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 69.190121][ T1442] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   69.190853][ T1442] RSP: 0018:ffffc900038e71e8 EFLAGS: 00010246
[   69.191125][ T1442] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   69.191455][ T1442] RDX: 0000000000000000 RSI: ffff88800a5cac98 RDI: ffff8880093f8b00
[   69.191772][ T1442] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   69.192086][ T1442] R10: ffffffff8d7ec227 R11: ffff8880093f8040 R12: 0000000000000000
[   69.192409][ T1442] R13: ffff88800a5ca128 R14: ffff88800a5ca008 R15: ffff88800a5ca000
[   69.192722][ T1442] FS:  00007fbff0fdc800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   69.193086][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.193365][ T1442] CR2: 00007fbff138c200 CR3: 000000000dbaa001 CR4: 0000000000772ef0
[   69.193682][ T1442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   69.193994][ T1442] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   69.194325][ T1442] PKRU: 55555554
[   69.194497][ T1442] Call Trace:
[   69.194663][ T1442]  <TASK>
[ 69.194781][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 69.195002][ T1442] ? __warn (kernel/panic.c:748) 
[ 69.195173][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 69.195404][ T1442] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 69.195630][ T1442] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 69.195800][ T1442] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 69.196020][ T1442] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 69.196261][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 69.196482][ T1442] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 69.196706][ T1442] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 69.196978][ T1442] ? _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) 
[ 69.197216][ T1442] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 69.197444][ T1442] register_netdevice (net/core/dev.c:11033) 
[ 69.197666][ T1442] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 69.197895][ T1442] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 69.198128][ T1442] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 69.198425][ T1442] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 69.198711][ T1442] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 69.198994][ T1442] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 69.199285][ T1442] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 69.199556][ T1442] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 69.199822][ T1442] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 69.200039][ T1442] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 69.200330][ T1442] devlink_reload (net/devlink/dev.c:474) 
[ 69.200551][ T1442] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 69.200767][ T1442] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 69.201044][ T1442] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 69.201277][ T1442] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 69.201543][ T1442] ? __nla_parse (lib/nlattr.c:732) 
[ 69.201768][ T1442] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 69.201986][ T1442] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 69.202275][ T1442] ? cap_capable (security/commoncap.c:131) 
[ 69.202489][ T1442] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 69.202707][ T1442] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 69.202926][ T1442] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 69.203141][ T1442] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 69.203414][ T1442] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 69.203675][ T1442] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 69.203951][ T1442] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 69.204166][ T1442] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 69.204388][ T1442] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 69.204613][ T1442] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 69.204841][ T1442] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 69.205007][ T1442] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 69.205236][ T1442] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 69.205456][ T1442] genl_rcv (net/netlink/genetlink.c:1220) 
[ 69.205624][ T1442] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 69.205842][ T1442] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 69.206061][ T1442] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 69.206294][ T1442] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 69.206515][ T1442] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 69.206733][ T1442] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 69.206945][ T1442] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 69.207168][ T1442] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 69.207397][ T1442] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 69.207623][ T1442] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 69.207843][ T1442] ? __sys_recvmsg (net/socket.c:2859) 
[ 69.208058][ T1442] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 69.208291][ T1442] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 69.208521][ T1442] __x64_sys_sendto (net/socket.c:2181) 
[ 69.208733][ T1442] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 69.208996][ T1442] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 69.209226][ T1442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   69.209493][ T1442] RIP: 0033:0x7fbff11e8a4a
[ 69.209712][ T1442] 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
[   69.210429][ T1442] RSP: 002b:00007ffe7b536338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   69.210752][ T1442] RAX: ffffffffffffffda RBX: 000000003f435b00 RCX: 00007fbff11e8a4a
[   69.211066][ T1442] RDX: 0000000000000038 RSI: 000000003f435b00 RDI: 0000000000000005
[   69.211391][ T1442] RBP: 000000003f435910 R08: 00007fbff138c200 R09: 000000000000000c
[   69.211705][ T1442] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   69.212016][ T1442] R13: 000000003f435910 R14: 0000000000000000 R15: 0000000000000003
| [   71.947701][ T1498] ------------[ cut here ]------------
| [ 71.948130][ T1498] WARNING: CPU: 3 PID: 1498 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   71.948947][ T1498] Modules linked in: netdevsim
| [   71.949877][ T1498] Tainted: [W]=WARN
[   71.950125][ T1498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 71.950543][ T1498] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 71.950952][ T1498] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   71.952095][ T1498] RSP: 0018:ffffc90003ba71e8 EFLAGS: 00010246
[   71.952519][ T1498] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   71.952995][ T1498] RDX: 0000000000000000 RSI: ffff88800b57ac98 RDI: ffff88800c1b2dc0
[   71.953496][ T1498] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   71.953972][ T1498] R10: ffffffff8d7ec227 R11: ffff88800c1b2300 R12: 0000000000000000
[   71.954463][ T1498] R13: ffff88800b57a128 R14: ffff88800b57a008 R15: ffff88800b57a000
[   71.954935][ T1498] FS:  00007f1be2e44800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[   71.955503][ T1498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.955906][ T1498] CR2: 00007f1be31f4200 CR3: 000000000bc50003 CR4: 0000000000772ef0
[   71.956403][ T1498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   71.956881][ T1498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   71.957394][ T1498] PKRU: 55555554
[   71.957648][ T1498] Call Trace:
[   71.957892][ T1498]  <TASK>
[ 71.958062][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 71.958413][ T1498] ? __warn (kernel/panic.c:748) 
[ 71.958669][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 71.958997][ T1498] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 71.959350][ T1498] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 71.959599][ T1498] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 71.959921][ T1498] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 71.960288][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 71.960710][ T1498] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 71.961044][ T1498] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 71.961497][ T1498] ? _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) 
[ 71.961837][ T1498] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 71.962169][ T1498] register_netdevice (net/core/dev.c:11033) 
[ 71.962523][ T1498] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 71.962869][ T1498] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 71.963245][ T1498] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 71.963668][ T1498] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 71.964105][ T1498] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 71.964551][ T1498] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 71.964972][ T1498] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 71.965423][ T1498] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 71.965834][ T1498] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 71.966158][ T1498] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 71.966612][ T1498] devlink_reload (net/devlink/dev.c:474) 
[ 71.966945][ T1498] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 71.967292][ T1498] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 71.967712][ T1498] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 71.968041][ T1498] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 71.968472][ T1498] ? __nla_parse (lib/nlattr.c:732) 
[ 71.968816][ T1498] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 71.969147][ T1498] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 71.969616][ T1498] ? cap_capable (security/commoncap.c:131) 
[ 71.969940][ T1498] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 71.970294][ T1498] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 71.970628][ T1498] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 71.970950][ T1498] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 71.971365][ T1498] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 71.971761][ T1498] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 71.972199][ T1498] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 71.972530][ T1498] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 71.972854][ T1498] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 71.973181][ T1498] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 71.973573][ T1498] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 71.973821][ T1498] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 71.974147][ T1498] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 71.974504][ T1498] genl_rcv (net/netlink/genetlink.c:1220) 
[ 71.974750][ T1498] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 71.975083][ T1498] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 71.975430][ T1498] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 71.975766][ T1498] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 71.976096][ T1498] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 71.976440][ T1498] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 71.976769][ T1498] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 71.977108][ T1498] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 71.977472][ T1498] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 71.977814][ T1498] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 71.978149][ T1498] ? __sys_recvmsg (net/socket.c:2859) 
[ 71.978502][ T1498] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 71.978846][ T1498] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 71.979182][ T1498] __x64_sys_sendto (net/socket.c:2181) 
[ 71.979524][ T1498] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 71.979921][ T1498] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 71.980263][ T1498] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   71.980661][ T1498] RIP: 0033:0x7f1be3050a4a
[ 71.980993][ T1498] 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
[   71.982143][ T1498] RSP: 002b:00007ffd4057bb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   71.982637][ T1498] RAX: ffffffffffffffda RBX: 000000001b163b00 RCX: 00007f1be3050a4a
[   71.983111][ T1498] RDX: 0000000000000038 RSI: 000000001b163b00 RDI: 0000000000000005
[   71.983609][ T1498] RBP: 000000001b163910 R08: 00007f1be31f4200 R09: 000000000000000c
[   71.984083][ T1498] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   71.984580][ T1498] R13: 000000001b163910 R14: 0000000000000000 R15: 0000000000000003
| [   74.090133][ T1526] ------------[ cut here ]------------
| [ 74.090440][ T1526] WARNING: CPU: 1 PID: 1526 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   74.090816][ T1526] Modules linked in: netdevsim
| [   74.091786][ T1526] Tainted: [W]=WARN
[   74.091931][ T1526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.092164][ T1526] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 74.092415][ T1526] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   74.093064][ T1526] RSP: 0018:ffffc90003d371e8 EFLAGS: 00010246
[   74.093316][ T1526] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   74.093594][ T1526] RDX: 0000000000000000 RSI: ffff88800c242c98 RDI: ffff88800c3cadc0
[   74.093874][ T1526] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   74.094154][ T1526] R10: ffffffff8d7ec227 R11: ffff88800c3ca300 R12: 0000000000000000
[   74.094441][ T1526] R13: ffff88800c242128 R14: ffff88800c242008 R15: ffff88800c242000
[   74.094723][ T1526] FS:  00007f263d4cb800(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[   74.095047][ T1526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.095293][ T1526] CR2: 00007fe2410862f0 CR3: 000000000dbaa006 CR4: 0000000000772ef0
[   74.095573][ T1526] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   74.095851][ T1526] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   74.096126][ T1526] PKRU: 55555554
[   74.096278][ T1526] Call Trace:
[   74.096420][ T1526]  <TASK>
[ 74.096516][ T1526] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 74.096708][ T1526] ? __warn (kernel/panic.c:748) 
[ 74.096855][ T1526] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 74.097045][ T1526] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 74.097253][ T1526] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 74.097401][ T1526] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 74.097591][ T1526] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 74.097795][ T1526] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 74.097987][ T1526] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 74.098180][ T1526] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 74.098436][ T1526] ? _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) 
[ 74.098645][ T1526] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 74.098855][ T1526] register_netdevice (net/core/dev.c:11033) 
[ 74.099053][ T1526] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 74.099262][ T1526] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 74.099465][ T1526] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 74.099707][ T1526] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 74.099960][ T1526] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 74.100217][ T1526] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 74.100461][ T1526] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 74.100701][ T1526] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 74.100937][ T1526] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 74.101123][ T1526] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 74.101380][ T1526] devlink_reload (net/devlink/dev.c:474) 
[ 74.101574][ T1526] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 74.101765][ T1526] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 74.102008][ T1526] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 74.102212][ T1526] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 74.102448][ T1526] ? __nla_parse (lib/nlattr.c:732) 
[ 74.102653][ T1526] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 74.102847][ T1526] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 74.103095][ T1526] ? cap_capable (security/commoncap.c:131) 
[ 74.103297][ T1526] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 74.103506][ T1526] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 74.103698][ T1526] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 74.103886][ T1526] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 74.104115][ T1526] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 74.104358][ T1526] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 74.104602][ T1526] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 74.104791][ T1526] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 74.104980][ T1526] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 74.105171][ T1526] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 74.105387][ T1526] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 74.105529][ T1526] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 74.105725][ T1526] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 74.105919][ T1526] genl_rcv (net/netlink/genetlink.c:1220) 
[ 74.106062][ T1526] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 74.106263][ T1526] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 74.106457][ T1526] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 74.106652][ T1526] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 74.106845][ T1526] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 74.107032][ T1526] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 74.107234][ T1526] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 74.107430][ T1526] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 74.107629][ T1526] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 74.107827][ T1526] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 74.108020][ T1526] ? __sys_recvmsg (net/socket.c:2859) 
[ 74.108215][ T1526] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 74.108420][ T1526] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 74.108613][ T1526] __x64_sys_sendto (net/socket.c:2181) 
[ 74.108801][ T1526] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 74.109032][ T1526] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 74.109236][ T1526] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.109468][ T1526] RIP: 0033:0x7f263d6d7a4a
[ 74.109660][ T1526] 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
[   74.110314][ T1526] RSP: 002b:00007ffdac0c8978 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   74.110600][ T1526] RAX: ffffffffffffffda RBX: 00000000233edb00 RCX: 00007f263d6d7a4a
[   74.110876][ T1526] RDX: 0000000000000038 RSI: 00000000233edb00 RDI: 0000000000000005
[   74.111151][ T1526] RBP: 00000000233ed910 R08: 00007f263d87b200 R09: 000000000000000c
[   74.111435][ T1526] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   74.111714][ T1526] R13: 00000000233ed910 R14: 0000000000000000 R15: 0000000000000003
| [   76.255061][ T1554] ------------[ cut here ]------------
| [ 76.255347][ T1554] WARNING: CPU: 2 PID: 1554 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   76.255772][ T1554] Modules linked in: netdevsim
| [   76.256389][ T1554] Tainted: [W]=WARN
[   76.256559][ T1554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 76.256827][ T1554] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 76.257096][ T1554] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   76.257830][ T1554] RSP: 0018:ffffc90003ec71e8 EFLAGS: 00010246
[   76.258098][ T1554] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   76.258425][ T1554] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff88800e9cadc0
[   76.258733][ T1554] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   76.259043][ T1554] R10: ffffffff8d7ec227 R11: ffff88800e9ca300 R12: 0000000000000000
[   76.259384][ T1554] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[   76.259699][ T1554] FS:  00007f0e06805800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   76.260061][ T1554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.260349][ T1554] CR2: 00007f0e06bb5200 CR3: 000000000961a001 CR4: 0000000000772ef0
[   76.260666][ T1554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   76.260976][ T1554] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   76.261297][ T1554] PKRU: 55555554
[   76.261464][ T1554] Call Trace:
[   76.261629][ T1554]  <TASK>
[ 76.261748][ T1554] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 76.261969][ T1554] ? __warn (kernel/panic.c:748) 
[ 76.262139][ T1554] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 76.262369][ T1554] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 76.262593][ T1554] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 76.262763][ T1554] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 76.262974][ T1554] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 76.263213][ T1554] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 76.263432][ T1554] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 76.263652][ T1554] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 76.263916][ T1554] ? _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) 
[ 76.264135][ T1554] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 76.264377][ T1554] register_netdevice (net/core/dev.c:11033) 
[ 76.264603][ T1554] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 76.264826][ T1554] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 76.265056][ T1554] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 76.265340][ T1554] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 76.265623][ T1554] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 76.265899][ T1554] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 76.266172][ T1554] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 76.266454][ T1554] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 76.266724][ T1554] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 76.267004][ T1554] devlink_reload (net/devlink/dev.c:474) 
[ 76.267240][ T1554] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 76.267459][ T1554] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 76.267731][ T1554] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 76.267953][ T1554] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 76.268247][ T1554] ? __nla_parse (lib/nlattr.c:732) 
[ 76.268488][ T1554] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 76.268713][ T1554] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 76.268992][ T1554] ? cap_capable (security/commoncap.c:131) 
[ 76.269223][ T1554] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 76.269449][ T1554] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 76.269678][ T1554] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 76.269896][ T1554] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 76.270161][ T1554] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 76.270434][ T1554] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 76.270715][ T1554] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 76.270931][ T1554] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 76.271150][ T1554] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 76.271381][ T1554] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 76.271621][ T1554] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 76.271787][ T1554] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 76.272010][ T1554] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 76.272255][ T1554] genl_rcv (net/netlink/genetlink.c:1220) 
[ 76.272438][ T1554] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 76.272658][ T1554] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 76.272877][ T1554] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 76.273105][ T1554] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 76.273345][ T1554] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 76.273558][ T1554] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 76.273771][ T1554] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 76.273991][ T1554] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 76.274220][ T1554] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 76.274445][ T1554] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 76.274670][ T1554] ? __sys_recvmsg (net/socket.c:2859) 
[ 76.274892][ T1554] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 76.275119][ T1554] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 76.275336][ T1554] __x64_sys_sendto (net/socket.c:2181) 
[ 76.275537][ T1554] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 76.275783][ T1554] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 76.275985][ T1554] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   76.276262][ T1554] RIP: 0033:0x7f0e06a11a4a
[ 76.276474][ T1554] 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
[   76.277131][ T1554] RSP: 002b:00007ffff2eabd88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   76.277433][ T1554] RAX: ffffffffffffffda RBX: 000000003002ab00 RCX: 00007f0e06a11a4a
[   76.277725][ T1554] RDX: 0000000000000038 RSI: 000000003002ab00 RDI: 0000000000000005
[   76.278012][ T1554] RBP: 000000003002a910 R08: 00007f0e06bb5200 R09: 000000000000000c
[   76.278336][ T1554] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   76.278645][ T1554] R13: 000000003002a910 R14: 0000000000000000 R15: 0000000000000003
| [   95.851330][ T1992] ------------[ cut here ]------------
| [ 95.851643][ T1992] WARNING: CPU: 0 PID: 1992 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   95.852025][ T1992] Modules linked in: netdevsim
| [   95.852577][ T1992] Tainted: [W]=WARN
[   95.852723][ T1992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 95.852959][ T1992] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 95.853211][ T1992] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   95.853878][ T1992] RSP: 0018:ffffc900051671e8 EFLAGS: 00010246
[   95.854118][ T1992] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   95.854414][ T1992] RDX: 0000000000000000 RSI: ffff88800a6a2c98 RDI: ffff88800b402dc0
[   95.854700][ T1992] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   95.854986][ T1992] R10: ffffffff8d7ec227 R11: ffff88800b402300 R12: 0000000000000000
[   95.855277][ T1992] R13: ffff88800a6a2128 R14: ffff88800a6a2008 R15: ffff88800a6a2000
[   95.855560][ T1992] FS:  00007f2aeaa87800(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   95.855893][ T1992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.856132][ T1992] CR2: 00007f3033133000 CR3: 000000000ebf8004 CR4: 0000000000772ef0
[   95.856433][ T1992] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   95.856714][ T1992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   95.856998][ T1992] PKRU: 55555554
[   95.857143][ T1992] Call Trace:
[   95.857297][ T1992]  <TASK>
[ 95.857395][ T1992] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 95.857585][ T1992] ? __warn (kernel/panic.c:748) 
[ 95.857737][ T1992] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 95.857933][ T1992] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 95.858133][ T1992] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 95.858296][ T1992] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 95.858489][ T1992] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 95.858694][ T1992] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 95.858889][ T1992] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 95.859086][ T1992] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 95.859342][ T1992] ? _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) 
[ 95.859542][ T1992] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 95.859737][ T1992] register_netdevice (net/core/dev.c:11033) 
[ 95.859941][ T1992] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 95.860147][ T1992] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 95.860363][ T1992] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 95.860614][ T1992] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 95.860866][ T1992] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 95.861116][ T1992] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 95.861376][ T1992] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 95.861620][ T1992] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 95.861865][ T1992] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 95.862053][ T1992] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 95.862312][ T1992] devlink_reload (net/devlink/dev.c:474) 
[ 95.862508][ T1992] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 95.862704][ T1992] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 95.862949][ T1992] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 95.863139][ T1992] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 95.863383][ T1992] ? __nla_parse (lib/nlattr.c:732) 
[ 95.863589][ T1992] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 95.863784][ T1992] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 95.864030][ T1992] ? cap_capable (security/commoncap.c:131) 
[ 95.864226][ T1992] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 95.864422][ T1992] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 95.864617][ T1992] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 95.864809][ T1992] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 95.865044][ T1992] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 95.865292][ T1992] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 95.865538][ T1992] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 95.865730][ T1992] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 95.865924][ T1992] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 95.866116][ T1992] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 95.866330][ T1992] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 95.866478][ T1992] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 95.866672][ T1992] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 95.866870][ T1992] genl_rcv (net/netlink/genetlink.c:1220) 
[ 95.867013][ T1992] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 95.867225][ T1992] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 95.867417][ T1992] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 95.867614][ T1992] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 95.867810][ T1992] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 95.868000][ T1992] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 95.868200][ T1992] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 95.868409][ T1992] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 95.868604][ T1992] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 95.868806][ T1992] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 95.868999][ T1992] ? __sys_recvmsg (net/socket.c:2859) 
[ 95.869195][ T1992] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 95.869392][ T1992] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 95.869592][ T1992] __x64_sys_sendto (net/socket.c:2181) 
[ 95.869778][ T1992] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 95.870011][ T1992] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 95.870213][ T1992] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   95.870446][ T1992] RIP: 0033:0x7f2aeac93a4a
[ 95.870639][ T1992] 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
[   95.871289][ T1992] RSP: 002b:00007ffcf7d58e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   95.871573][ T1992] RAX: ffffffffffffffda RBX: 00000000151adb00 RCX: 00007f2aeac93a4a
[   95.871848][ T1992] RDX: 0000000000000038 RSI: 00000000151adb00 RDI: 0000000000000005
[   95.872124][ T1992] RBP: 00000000151ad910 R08: 00007f2aeae37200 R09: 000000000000000c
[   95.872408][ T1992] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   95.872688][ T1992] R13: 00000000151ad910 R14: 0000000000000000 R15: 0000000000000003
| [   97.357275][ T2024] ------------[ cut here ]------------
| [ 97.357573][ T2024] WARNING: CPU: 2 PID: 2024 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   97.357977][ T2024] Modules linked in: netdevsim
| [   97.358593][ T2024] Tainted: [W]=WARN
[   97.358760][ T2024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 97.359008][ T2024] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 97.359279][ T2024] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   97.359954][ T2024] RSP: 0018:ffffc900052871e8 EFLAGS: 00010246
[   97.360219][ T2024] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   97.360526][ T2024] RDX: 0000000000000000 RSI: ffff88800aa0ac98 RDI: ffff88800b402dc0
[   97.360817][ T2024] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   97.361123][ T2024] R10: ffffffff8d7ec227 R11: ffff88800b402300 R12: 0000000000000000
[   97.361459][ T2024] R13: ffff88800aa0a128 R14: ffff88800aa0a008 R15: ffff88800aa0a000
[   97.361759][ T2024] FS:  00007f3d6b4e8800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   97.362107][ T2024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.362410][ T2024] CR2: 00007ff0fba245a0 CR3: 000000000ea8c002 CR4: 0000000000772ef0
[   97.362719][ T2024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   97.363017][ T2024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   97.363325][ T2024] PKRU: 55555554
[   97.363483][ T2024] Call Trace:
[   97.363639][ T2024]  <TASK>
[ 97.363750][ T2024] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 97.363957][ T2024] ? __warn (kernel/panic.c:748) 
[ 97.364117][ T2024] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 97.364334][ T2024] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 97.364541][ T2024] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 97.364704][ T2024] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 97.364910][ T2024] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 97.365127][ T2024] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 97.365360][ T2024] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 97.365578][ T2024] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 97.365831][ T2024] ? _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) 
[ 97.366039][ T2024] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 97.366259][ T2024] register_netdevice (net/core/dev.c:11033) 
[ 97.366473][ T2024] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 97.366687][ T2024] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 97.366905][ T2024] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 97.367166][ T2024] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 97.367444][ T2024] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 97.367708][ T2024] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 97.367965][ T2024] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 97.368225][ T2024] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 97.368497][ T2024] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 97.368698][ T2024] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 97.368962][ T2024] devlink_reload (net/devlink/dev.c:474) 
[ 97.369172][ T2024] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 97.369403][ T2024] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 97.369659][ T2024] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 97.369867][ T2024] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 97.370117][ T2024] ? __nla_parse (lib/nlattr.c:732) 
[ 97.370347][ T2024] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 97.370553][ T2024] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 97.370833][ T2024] ? cap_capable (security/commoncap.c:131) 
[ 97.371035][ T2024] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 97.371259][ T2024] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 97.371483][ T2024] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 97.371702][ T2024] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 97.371962][ T2024] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 97.372247][ T2024] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 97.372529][ T2024] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 97.372743][ T2024] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 97.372960][ T2024] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 97.373177][ T2024] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 97.373439][ T2024] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 97.373618][ T2024] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 97.373828][ T2024] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 97.374047][ T2024] genl_rcv (net/netlink/genetlink.c:1220) 
[ 97.374235][ T2024] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 97.374444][ T2024] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 97.374649][ T2024] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 97.374859][ T2024] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 97.375067][ T2024] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 97.375282][ T2024] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 97.375489][ T2024] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 97.375699][ T2024] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 97.375906][ T2024] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 97.376131][ T2024] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 97.376366][ T2024] ? __sys_recvmsg (net/socket.c:2859) 
[ 97.376580][ T2024] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 97.376809][ T2024] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 97.377026][ T2024] __x64_sys_sendto (net/socket.c:2181) 
[ 97.377256][ T2024] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 97.377503][ T2024] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 97.377709][ T2024] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   97.377954][ T2024] RIP: 0033:0x7f3d6b6f4a4a
[ 97.378160][ T2024] 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
[   97.378849][ T2024] RSP: 002b:00007fff079fa8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   97.379144][ T2024] RAX: ffffffffffffffda RBX: 0000000037265b00 RCX: 00007f3d6b6f4a4a
[   97.379459][ T2024] RDX: 0000000000000038 RSI: 0000000037265b00 RDI: 0000000000000005
[   97.379752][ T2024] RBP: 0000000037265910 R08: 00007f3d6b898200 R09: 000000000000000c
[   97.380046][ T2024] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   97.380363][ T2024] R13: 0000000037265910 R14: 0000000000000000 R15: 0000000000000003
| [   98.419371][ T2049] ------------[ cut here ]------------
| [ 98.419702][ T2049] WARNING: CPU: 2 PID: 2049 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [   98.420098][ T2049] Modules linked in: netdevsim
| [   98.420702][ T2049] Tainted: [W]=WARN
[   98.420862][ T2049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.421130][ T2049] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 98.421416][ T2049] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   98.422097][ T2049] RSP: 0018:ffffc900053771e8 EFLAGS: 00010246
[   98.422369][ T2049] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   98.422676][ T2049] RDX: 0000000000000000 RSI: ffff88800a5cac98 RDI: ffff88800b77d080
[   98.422986][ T2049] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[   98.423300][ T2049] R10: ffffffff8d7ec227 R11: ffff88800b77c5c0 R12: 0000000000000000
[   98.423596][ T2049] R13: ffff88800a5ca128 R14: ffff88800a5ca008 R15: ffff88800a5ca000
[   98.423894][ T2049] FS:  00007f9367ce6800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   98.424258][ T2049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.424506][ T2049] CR2: 00007f9368096200 CR3: 000000000d958001 CR4: 0000000000772ef0
[   98.424824][ T2049] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   98.425128][ T2049] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   98.425448][ T2049] PKRU: 55555554
[   98.425610][ T2049] Call Trace:
[   98.425764][ T2049]  <TASK>
[ 98.425874][ T2049] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 98.426080][ T2049] ? __warn (kernel/panic.c:748) 
[ 98.426686][ T2049] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 98.426900][ T2049] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 98.427108][ T2049] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 98.427279][ T2049] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 98.427490][ T2049] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 98.427710][ T2049] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 98.427924][ T2049] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 98.428128][ T2049] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 98.428421][ T2049] ? _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) 
[ 98.428639][ T2049] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 98.428855][ T2049] register_netdevice (net/core/dev.c:11033) 
[ 98.429065][ T2049] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 98.429303][ T2049] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 98.429520][ T2049] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 98.429781][ T2049] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 98.430050][ T2049] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 98.430320][ T2049] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 98.430576][ T2049] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 98.430836][ T2049] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 98.431086][ T2049] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 98.431307][ T2049] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 98.431570][ T2049] devlink_reload (net/devlink/dev.c:474) 
[ 98.431775][ T2049] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 98.431976][ T2049] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 98.432242][ T2049] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 98.432447][ T2049] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 98.432699][ T2049] ? __nla_parse (lib/nlattr.c:732) 
[ 98.432910][ T2049] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 98.433114][ T2049] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 98.433397][ T2049] ? cap_capable (security/commoncap.c:131) 
[ 98.433598][ T2049] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 98.433804][ T2049] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 98.434008][ T2049] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 98.434224][ T2049] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 98.434469][ T2049] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 98.434712][ T2049] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 98.434970][ T2049] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 98.435172][ T2049] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 98.435384][ T2049] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 98.435589][ T2049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 98.435810][ T2049] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 98.435965][ T2049] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 98.436170][ T2049] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 98.436391][ T2049] genl_rcv (net/netlink/genetlink.c:1220) 
[ 98.436555][ T2049] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 98.436760][ T2049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 98.436962][ T2049] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 98.437171][ T2049] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 98.437406][ T2049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 98.437609][ T2049] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 98.437814][ T2049] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 98.438026][ T2049] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 98.438257][ T2049] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 98.438473][ T2049] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 98.438686][ T2049] ? __sys_recvmsg (net/socket.c:2859) 
[ 98.438917][ T2049] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 98.439134][ T2049] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 98.439360][ T2049] __x64_sys_sendto (net/socket.c:2181) 
[ 98.439580][ T2049] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 98.439829][ T2049] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 98.440036][ T2049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   98.440303][ T2049] RIP: 0033:0x7f9367ef2a4a
[ 98.440535][ T2049] 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
[   98.441257][ T2049] RSP: 002b:00007ffff47f81b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   98.441559][ T2049] RAX: ffffffffffffffda RBX: 000000003bdd8b00 RCX: 00007f9367ef2a4a
[   98.441855][ T2049] RDX: 0000000000000038 RSI: 000000003bdd8b00 RDI: 0000000000000005
[   98.442159][ T2049] RBP: 000000003bdd8910 R08: 00007f9368096200 R09: 000000000000000c
[   98.442477][ T2049] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   98.442769][ T2049] R13: 000000003bdd8910 R14: 0000000000000000 R15: 0000000000000003
| [  100.978810][ T2082] ------------[ cut here ]------------
| [ 100.979071][ T2082] WARNING: CPU: 2 PID: 2082 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [  100.979485][ T2082] Modules linked in: netdevsim
| [  100.980038][ T2082] Tainted: [W]=WARN
[  100.980220][ T2082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.980467][ T2082] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 100.980722][ T2082] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  100.981400][ T2082] RSP: 0018:ffffc900055471e8 EFLAGS: 00010246
[  100.981656][ T2082] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  100.981946][ T2082] RDX: 0000000000000000 RSI: ffff88800b57ac98 RDI: ffff88800ea3adc0
[  100.982247][ T2082] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[  100.982544][ T2082] R10: ffffffff8d7ec227 R11: ffff88800ea3a300 R12: 0000000000000000
[  100.982832][ T2082] R13: ffff88800b57a128 R14: ffff88800b57a008 R15: ffff88800b57a000
[  100.983125][ T2082] FS:  00007f9b0eeb7800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[  100.983474][ T2082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.983722][ T2082] CR2: 00007f9b0f267200 CR3: 000000000ecd4006 CR4: 0000000000772ef0
[  100.984017][ T2082] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  100.984321][ T2082] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  100.984616][ T2082] PKRU: 55555554
[  100.984769][ T2082] Call Trace:
[  100.984925][ T2082]  <TASK>
[ 100.985034][ T2082] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 100.985249][ T2082] ? __warn (kernel/panic.c:748) 
[ 100.985411][ T2082] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 100.985616][ T2082] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 100.985829][ T2082] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 100.985988][ T2082] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 100.986204][ T2082] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 100.986419][ T2082] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 100.986626][ T2082] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 100.986838][ T2082] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 100.987093][ T2082] ? _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) 
[ 100.987384][ T2082] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 100.987596][ T2082] register_netdevice (net/core/dev.c:11033) 
[ 100.987805][ T2082] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 100.988016][ T2082] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 100.988257][ T2082] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 100.988518][ T2082] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 100.988783][ T2082] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 100.989045][ T2082] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 100.989315][ T2082] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 100.989571][ T2082] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 100.989821][ T2082] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 100.990025][ T2082] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 100.990295][ T2082] devlink_reload (net/devlink/dev.c:474) 
[ 100.990505][ T2082] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 100.990710][ T2082] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 100.990965][ T2082] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 100.991169][ T2082] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 100.991435][ T2082] ? __nla_parse (lib/nlattr.c:732) 
[ 100.991648][ T2082] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 100.991855][ T2082] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 100.992114][ T2082] ? cap_capable (security/commoncap.c:131) 
[ 100.992327][ T2082] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 100.992536][ T2082] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 100.992744][ T2082] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 100.992949][ T2082] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 100.993203][ T2082] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 100.993451][ T2082] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 100.993708][ T2082] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 100.993909][ T2082] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 100.994110][ T2082] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 100.994327][ T2082] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 100.994542][ T2082] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 100.994698][ T2082] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 100.994899][ T2082] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 100.995116][ T2082] genl_rcv (net/netlink/genetlink.c:1220) 
[ 100.995284][ T2082] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 100.995492][ T2082] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 100.995694][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 100.995905][ T2082] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 100.996109][ T2082] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 100.996318][ T2082] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 100.996525][ T2082] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 100.996736][ T2082] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 100.996942][ T2082] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 100.997151][ T2082] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 100.997370][ T2082] ? __sys_recvmsg (net/socket.c:2859) 
[ 100.997600][ T2082] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 100.997814][ T2082] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 100.998019][ T2082] __x64_sys_sendto (net/socket.c:2181) 
[ 100.998246][ T2082] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 100.998497][ T2082] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 100.998702][ T2082] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  100.998945][ T2082] RIP: 0033:0x7f9b0f0c3a4a
[ 100.999152][ T2082] 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
[  100.999825][ T2082] RSP: 002b:00007ffe490b8568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  101.000126][ T2082] RAX: ffffffffffffffda RBX: 00000000282f5b00 RCX: 00007f9b0f0c3a4a
[  101.000425][ T2082] RDX: 0000000000000038 RSI: 00000000282f5b00 RDI: 0000000000000005
[  101.000716][ T2082] RBP: 00000000282f5910 R08: 00007f9b0f267200 R09: 000000000000000c
[  101.001007][ T2082] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  101.001308][ T2082] R13: 00000000282f5910 R14: 0000000000000000 R15: 0000000000000003
| [  103.301664][ T2112] ------------[ cut here ]------------
| [ 103.301912][ T2112] WARNING: CPU: 3 PID: 2112 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [  103.302301][ T2112] Modules linked in: netdevsim
| [  103.302838][ T2112] Tainted: [W]=WARN
[  103.302986][ T2112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 103.303234][ T2112] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 103.303473][ T2112] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  103.304129][ T2112] RSP: 0018:ffffc900056f71e8 EFLAGS: 00010246
[  103.304384][ T2112] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  103.304662][ T2112] RDX: 0000000000000000 RSI: ffff88800c242c98 RDI: ffff8880086eadc0
[  103.304938][ T2112] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[  103.305233][ T2112] R10: ffffffff8d7ec227 R11: ffff8880086ea300 R12: 0000000000000000
[  103.305512][ T2112] R13: ffff88800c242128 R14: ffff88800c242008 R15: ffff88800c242000
[  103.305786][ T2112] FS:  00007f6b54e58800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[  103.306112][ T2112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.306366][ T2112] CR2: 00007f6b55208200 CR3: 000000000f08e005 CR4: 0000000000772ef0
[  103.306646][ T2112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  103.306933][ T2112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  103.307224][ T2112] PKRU: 55555554
[  103.307366][ T2112] Call Trace:
[  103.307507][ T2112]  <TASK>
[ 103.307607][ T2112] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 103.307797][ T2112] ? __warn (kernel/panic.c:748) 
[ 103.307941][ T2112] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 103.308133][ T2112] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 103.308353][ T2112] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 103.308498][ T2112] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 103.308685][ T2112] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 103.308888][ T2112] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 103.309077][ T2112] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 103.309280][ T2112] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 103.309517][ T2112] ? _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) 
[ 103.309711][ T2112] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 103.309905][ T2112] register_netdevice (net/core/dev.c:11033) 
[ 103.310097][ T2112] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 103.310305][ T2112] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 103.310516][ T2112] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 103.310760][ T2112] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 103.311012][ T2112] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 103.311268][ T2112] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 103.311510][ T2112] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 103.311751][ T2112] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 103.311989][ T2112] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 103.312174][ T2112] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 103.312434][ T2112] devlink_reload (net/devlink/dev.c:474) 
[ 103.312629][ T2112] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 103.312823][ T2112] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 103.313072][ T2112] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 103.313273][ T2112] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 103.313517][ T2112] ? __nla_parse (lib/nlattr.c:732) 
[ 103.313714][ T2112] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 103.313903][ T2112] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 103.314154][ T2112] ? cap_capable (security/commoncap.c:131) 
[ 103.314350][ T2112] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 103.314544][ T2112] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 103.314736][ T2112] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 103.314931][ T2112] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 103.315169][ T2112] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 103.315414][ T2112] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 103.315667][ T2112] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 103.315864][ T2112] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 103.316056][ T2112] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 103.316266][ T2112] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 103.316474][ T2112] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 103.316617][ T2112] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 103.316806][ T2112] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 103.317003][ T2112] genl_rcv (net/netlink/genetlink.c:1220) 
[ 103.317143][ T2112] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 103.317346][ T2112] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 103.317539][ T2112] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 103.317736][ T2112] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 103.317933][ T2112] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 103.318117][ T2112] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 103.318323][ T2112] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 103.318523][ T2112] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 103.318712][ T2112] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 103.318914][ T2112] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 103.319114][ T2112] ? __sys_recvmsg (net/socket.c:2859) 
[ 103.319310][ T2112] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 103.319511][ T2112] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 103.319707][ T2112] __x64_sys_sendto (net/socket.c:2181) 
[ 103.319893][ T2112] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 103.320123][ T2112] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 103.320323][ T2112] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  103.320557][ T2112] RIP: 0033:0x7f6b55064a4a
[ 103.320748][ T2112] 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
[  103.321404][ T2112] RSP: 002b:00007fff4e5475d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  103.321685][ T2112] RAX: ffffffffffffffda RBX: 000000000547cb00 RCX: 00007f6b55064a4a
[  103.321969][ T2112] RDX: 0000000000000038 RSI: 000000000547cb00 RDI: 0000000000000005
[  103.322262][ T2112] RBP: 000000000547c910 R08: 00007f6b55208200 R09: 000000000000000c
[  103.322542][ T2112] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  103.322820][ T2112] R13: 000000000547c910 R14: 0000000000000000 R15: 0000000000000003
| [  105.457062][ T2140] ------------[ cut here ]------------
| [ 105.457341][ T2140] WARNING: CPU: 2 PID: 2140 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [  105.457765][ T2140] Modules linked in: netdevsim
| [  105.458349][ T2140] Tainted: [W]=WARN
[  105.458507][ T2140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.458786][ T2140] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 105.459040][ T2140] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  105.459822][ T2140] RSP: 0018:ffffc900058971e8 EFLAGS: 00010246
[  105.460094][ T2140] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  105.460414][ T2140] RDX: 0000000000000000 RSI: ffff88800b7bac98 RDI: ffff8880093f8b00
[  105.460766][ T2140] RBP: ffff888009e28040 R08: 0000000000000000 R09: fffffbfff1afd844
[  105.461087][ T2140] R10: ffffffff8d7ec227 R11: ffff8880093f8040 R12: 0000000000000000
[  105.461401][ T2140] R13: ffff88800b7ba128 R14: ffff88800b7ba008 R15: ffff88800b7ba000
[  105.461697][ T2140] FS:  00007efc24c21800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[  105.462034][ T2140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.462310][ T2140] CR2: 00007efc24fd1200 CR3: 000000000eeac005 CR4: 0000000000772ef0
[  105.462617][ T2140] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  105.462932][ T2140] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  105.463246][ T2140] PKRU: 55555554
[  105.463424][ T2140] Call Trace:
[  105.463585][ T2140]  <TASK>
[ 105.463704][ T2140] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 105.463908][ T2140] ? __warn (kernel/panic.c:748) 
[ 105.464079][ T2140] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 105.464313][ T2140] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 105.464542][ T2140] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 105.464701][ T2140] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 105.464904][ T2140] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 105.465115][ T2140] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 105.465335][ T2140] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10596) 
[ 105.465539][ T2140] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 105.465796][ T2140] ? _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) 
[ 105.466002][ T2140] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 105.466217][ T2140] register_netdevice (net/core/dev.c:11033) 
[ 105.466436][ T2140] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 105.466656][ T2140] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 105.466896][ T2140] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 105.467171][ T2140] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 105.467470][ T2140] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 105.467754][ T2140] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 105.468044][ T2140] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 105.468327][ T2140] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 105.468607][ T2140] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 105.468876][ T2140] devlink_reload (net/devlink/dev.c:474) 
[ 105.469083][ T2140] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 105.469325][ T2140] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 105.469620][ T2140] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 105.469832][ T2140] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 105.470096][ T2140] ? __nla_parse (lib/nlattr.c:732) 
[ 105.470348][ T2140] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 105.470564][ T2140] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 105.470854][ T2140] ? cap_capable (security/commoncap.c:131) 
[ 105.471075][ T2140] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 105.471309][ T2140] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 105.471531][ T2140] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 105.471746][ T2140] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 105.472012][ T2140] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 105.472279][ T2140] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 105.472547][ T2140] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 105.472762][ T2140] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 105.472972][ T2140] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 105.473201][ T2140] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 105.473429][ T2140] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 105.473593][ T2140] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 105.473800][ T2140] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 105.474010][ T2140] genl_rcv (net/netlink/genetlink.c:1220) 
[ 105.474175][ T2140] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 105.474392][ T2140] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 105.474596][ T2140] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 105.474806][ T2140] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 105.475027][ T2140] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 105.475244][ T2140] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 105.475465][ T2140] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 105.475683][ T2140] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 105.475895][ T2140] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 105.476106][ T2140] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 105.476326][ T2140] ? __sys_recvmsg (net/socket.c:2859) 
[ 105.476527][ T2140] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 105.476750][ T2140] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 105.476966][ T2140] __x64_sys_sendto (net/socket.c:2181) 
[ 105.477180][ T2140] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 105.477448][ T2140] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 105.477656][ T2140] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.477920][ T2140] RIP: 0033:0x7efc24e2da4a
[ 105.478133][ T2140] 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
[  105.478849][ T2140] RSP: 002b:00007fffab81e798 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  105.479155][ T2140] RAX: ffffffffffffffda RBX: 000000002c3f5b00 RCX: 00007efc24e2da4a
[  105.479473][ T2140] RDX: 0000000000000038 RSI: 000000002c3f5b00 RDI: 0000000000000005
[  105.479776][ T2140] RBP: 000000002c3f5910 R08: 00007efc24fd1200 R09: 000000000000000c
[  105.480080][ T2140] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  105.480392][ T2140] R13: 000000002c3f5910 R14: 0000000000000000 R15: 0000000000000003
| [  106.151456][   T68] ------------[ cut here ]------------
| [ 106.151800][ T68] WARNING: CPU: 1 PID: 68 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
| [  106.152137][   T68] Modules linked in: netdevsim
| [  106.152672][   T68] Tainted: [W]=WARN
[  106.152802][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.153011][   T68] Workqueue: netns cleanup_net
[ 106.153210][ T68] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 106.153426][ T68] Code: 00 e8 b3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 b8 56 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 b8 56 78 00       	call   0x7856d9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  106.154102][   T68] RSP: 0018:ffffc90000497620 EFLAGS: 00010246
[  106.154406][   T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  106.154696][   T68] RDX: 0000000000000000 RSI: ffff88800a6a2c98 RDI: ffff8880086cae10
[  106.154952][   T68] RBP: ffffffff8f924440 R08: 0000000000000000 R09: fffffbfff1afd844
[  106.155216][   T68] R10: ffffffff8d7ec227 R11: ffff8880086ca300 R12: 0000000000000000
[  106.155467][   T68] R13: ffff88800a6a2128 R14: ffff88800a6a2008 R15: ffff88800a6a2000
[  106.155716][   T68] FS:  0000000000000000(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[  106.156009][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.156231][   T68] CR2: 00007f82c9160258 CR3: 0000000034528001 CR4: 0000000000772ef0
[  106.156480][   T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  106.156728][   T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  106.156978][   T68] PKRU: 55555554
[  106.157105][   T68] Call Trace:
[  106.157242][   T68]  <TASK>
[ 106.157334][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 106.157507][ T68] ? __warn (kernel/panic.c:748) 
[ 106.157639][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 106.157813][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 106.157990][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 106.158123][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 106.158337][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 106.158545][ T68] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 106.158726][ T68] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 106.158943][ T68] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 106.159120][ T68] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 106.159682][ T68] register_netdevice (net/core/dev.c:11033) 
[ 106.159867][ T68] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 106.160048][ T68] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 106.160244][ T68] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 106.160467][ T68] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 106.160697][ T68] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 106.160920][ T68] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 106.161146][ T68] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 106.161369][ T68] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 106.161598][ T68] devlink_reload (net/devlink/dev.c:474) 
[ 106.161773][ T68] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 106.161944][ T68] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 106.162121][ T68] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 106.162326][ T68] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 106.162577][ T68] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 106.162750][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 106.162921][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 106.163090][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 106.163275][ T68] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 106.163441][ T68] ? process_one_work (kernel/workqueue.c:3214) 
[ 106.163625][ T68] process_one_work (kernel/workqueue.c:3238) 
[ 106.163802][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 106.163970][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 106.164147][ T68] ? assign_work (kernel/workqueue.c:1200) 
[ 106.164328][ T68] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 106.164500][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 106.164713][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 106.164889][ T68] kthread (kernel/kthread.c:464) 
[ 106.165018][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 106.165200][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 106.165372][ T68] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 106.165541][ T68] ? __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