======================================
| 0
| xx__-> [    9.476049][  T229] ------------[ cut here ]------------
| [ 9.476421][ T229] WARNING: CPU: 3 PID: 229 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [    9.476916][  T229] Modules linked in: netdevsim
[    9.477512][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.477785][ T229] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.478052][ T229] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[    9.478779][  T229] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.479046][  T229] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.479392][  T229] RDX: 0000000000000000 RSI: ffff88800b4aac98 RDI: ffff88800a83d0f8
[    9.479711][  T229] RBP: ffffffff9f123440 R08: 0000000000000000 R09: fffffbfff39fd83c
[    9.480028][  T229] R10: ffffffff9cfec1e7 R11: ffff88800a83c5c0 R12: 0000000000000000
[    9.480352][  T229] R13: ffff88800b4aa128 R14: ffff88800b4aa008 R15: ffff88800b4aa000
[    9.480663][  T229] FS:  00007ff1c8748740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[    9.481018][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.481289][  T229] CR2: 00007f274c5a4000 CR3: 0000000008ec0006 CR4: 0000000000772ef0
[    9.481599][  T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.481910][  T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.482228][  T229] PKRU: 55555554
[    9.482395][  T229] Call Trace:
[    9.482559][  T229]  <TASK>
[ 9.482672][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.482884][ T229] ? __warn (kernel/panic.c:748) 
[ 9.483043][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.483274][ T229] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.483492][ T229] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.483653][ T229] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.483860][ T229] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.484081][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.484318][ T229] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.484582][ T229] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 9.484796][ T229] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.485011][ T229] register_netdevice (net/core/dev.c:11003) 
[ 9.485237][ T229] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.485458][ T229] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.485681][ T229] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.485946][ T229] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.486116][ T229] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.486388][ T229] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.486655][ T229] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.486921][ T229] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.487165][ T229] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.487429][ T229] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.487642][ T229] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 9.487798][ T229] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.488016][ T229] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.488243][ T229] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.488455][ T229] driver_probe_device (drivers/base/dd.c:830) 
[ 9.488669][ T229] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.488879][ T229] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.489141][ T229] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.489358][ T229] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.489578][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.489785][ T229] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.489993][ T229] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.490220][ T229] __device_attach (drivers/base/dd.c:1030) 
[ 9.490434][ T229] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.490639][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.490843][ T229] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 9.491059][ T229] bus_probe_device (drivers/base/bus.c:537) 
[ 9.491284][ T229] device_add (drivers/base/core.c:3672) 
[ 9.491498][ T229] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.491711][ T229] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.491931][ T229] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.492213][ T229] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.492483][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.492694][ T229] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.492906][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.493120][ T229] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.493335][ T229] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.493502][ T229] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.493714][ T229] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.493917][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.494150][ T229] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.494366][ T229] ksys_write (fs/read_write.c:731) 
[ 9.494526][ T229] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.494730][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.494948][ T229] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.495168][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.495422][  T229] RIP: 0033:0x7ff1c8889b77
[ 9.495642][ T229] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[    9.496366][  T229] RSP: 002b:00007ffd2bbe7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.496680][  T229] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff1c8889b77
[    9.496992][  T229] RDX: 0000000000000007 RSI: 0000563d3b170ac0 RDI: 0000000000000001
[    9.497309][  T229] RBP: 0000563d3b170ac0 R08: 0000000000000003 R09: 0000000000000077
[    9.497616][  T229] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[    9.497923][  T229] R13: 00007ff1c8945760 R14: 0000000000000007 R15: 00007ff1c89409c0
| [    9.761027][  T256] ------------[ cut here ]------------
| [ 9.761334][ T256] WARNING: CPU: 0 PID: 256 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [    9.761784][  T256] Modules linked in: netdevsim
| [    9.762342][  T256] Tainted: [W]=WARN
[    9.762512][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.762748][ T256] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.762994][ T256] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[    9.763678][  T256] RSP: 0018:ffffc900005171e8 EFLAGS: 00010246
[    9.763917][  T256] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.764219][  T256] RDX: 0000000000000000 RSI: ffff888009cdac98 RDI: ffff888007000b00
[    9.764496][  T256] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[    9.764779][  T256] R10: ffffffff9cfec1e7 R11: ffff888007000040 R12: 0000000000000000
[    9.765058][  T256] R13: ffff888009cda128 R14: ffff888009cda008 R15: ffff888009cda000
[    9.765345][  T256] FS:  00007f6bde6c5800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[    9.765669][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.765906][  T256] CR2: 00007f7e9999aa00 CR3: 0000000005396001 CR4: 0000000000772ef0
[    9.766197][  T256] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.766484][  T256] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.766763][  T256] PKRU: 55555554
[    9.766905][  T256] Call Trace:
[    9.767046][  T256]  <TASK>
[ 9.767156][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.767352][ T256] ? __warn (kernel/panic.c:748) 
[ 9.767498][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.767688][ T256] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.767882][ T256] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.768028][ T256] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.768234][ T256] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.768439][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.768631][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 9.768832][ T256] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.769070][ T256] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 9.769272][ T256] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.769485][ T256] register_netdevice (net/core/dev.c:11003) 
[ 9.769680][ T256] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.769879][ T256] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.770099][ T256] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.770345][ T256] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.770596][ T256] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 9.770845][ T256] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 9.771111][ T256] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 9.771353][ T256] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 9.771607][ T256] devlink_reload (net/devlink/dev.c:474) 
[ 9.771803][ T256] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 9.771992][ T256] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 9.772195][ T256] ? cap_capable (security/commoncap.c:131) 
[ 9.772386][ T256] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 9.772541][ T256] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 9.772741][ T256] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 9.772983][ T256] ? __nla_parse (lib/nlattr.c:732) 
[ 9.773192][ T256] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 9.773385][ T256] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 9.773636][ T256] ? cap_capable (security/commoncap.c:131) 
[ 9.773823][ T256] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 9.774027][ T256] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 9.774231][ T256] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 9.774426][ T256] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 9.774656][ T256] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 9.774888][ T256] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 9.775143][ T256] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 9.775335][ T256] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 9.775522][ T256] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 9.775713][ T256] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 9.775925][ T256] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 9.776069][ T256] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 9.776269][ T256] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 9.776468][ T256] genl_rcv (net/netlink/genetlink.c:1220) 
[ 9.776614][ T256] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 9.776809][ T256] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 9.777001][ T256] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 9.777210][ T256] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 9.777411][ T256] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 9.777604][ T256] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 9.777793][ T256] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 9.777995][ T256] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 9.778200][ T256] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 9.778399][ T256] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.778586][ T256] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 9.778791][ T256] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 9.778985][ T256] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 9.779230][ T256] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 9.779432][ T256] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 9.779677][ T256] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 9.779871][ T256] __x64_sys_sendto (net/socket.c:2181) 
[ 9.780069][ T256] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.780315][ T256] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.780509][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.780746][  T256] RIP: 0033:0x7f6bde8d1a4a
[ 9.780942][ T256] 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
[    9.781613][  T256] RSP: 002b:00007ffdd240cfb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    9.781904][  T256] RAX: ffffffffffffffda RBX: 0000000032aceb00 RCX: 00007f6bde8d1a4a
[    9.782195][  T256] RDX: 0000000000000040 RSI: 0000000032aceb00 RDI: 0000000000000005
[    9.782474][  T256] RBP: 0000000032ace910 R08: 00007f6bdea75200 R09: 000000000000000c
[    9.782755][  T256] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[    9.783032][  T256] R13: 0000000032ace910 R14: 0000000000000000 R15: 0000000000000001
| [   10.687606][  T283] ------------[ cut here ]------------
| [ 10.687907][ T283] WARNING: CPU: 3 PID: 283 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.688303][  T283] Modules linked in: netdevsim
| [   10.688829][  T283] Tainted: [W]=WARN
[   10.688972][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.689308][ T283] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.689566][ T283] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.690313][  T283] RSP: 0018:ffffc900005771e8 EFLAGS: 00010246
[   10.690557][  T283] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.690836][  T283] RDX: 0000000000000000 RSI: ffff8880093f2c98 RDI: ffff88800a99d080
[   10.691204][  T283] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   10.691492][  T283] R10: ffffffff9cfec1e7 R11: ffff88800a99c5c0 R12: 0000000000000000
[   10.691777][  T283] R13: ffff8880093f2128 R14: ffff8880093f2008 R15: ffff8880093f2000
[   10.692056][  T283] FS:  00007f54c3a08800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   10.692473][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.692711][  T283] CR2: 00007f54c3db8200 CR3: 000000000a698003 CR4: 0000000000772ef0
[   10.692992][  T283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.693358][  T283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.693635][  T283] PKRU: 55555554
[   10.693777][  T283] Call Trace:
[   10.693918][  T283]  <TASK>
[ 10.694017][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.694280][ T283] ? __warn (kernel/panic.c:748) 
[ 10.694435][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.694625][ T283] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.694821][ T283] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.694966][ T283] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.695174][ T283] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.695377][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.695569][ T283] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.695767][ T283] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.696005][ T283] ? _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) 
[ 10.696213][ T283] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.696409][ T283] register_netdevice (net/core/dev.c:11003) 
[ 10.696603][ T283] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.696807][ T283] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.697016][ T283] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.697270][ T283] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.697526][ T283] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.697777][ T283] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.698024][ T283] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.698282][ T283] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.698521][ T283] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 10.698708][ T283] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 10.698956][ T283] devlink_reload (net/devlink/dev.c:474) 
[ 10.699161][ T283] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.699367][ T283] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 10.699610][ T283] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.699806][ T283] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.700044][ T283] ? __nla_parse (lib/nlattr.c:732) 
[ 10.700256][ T283] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.700450][ T283] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.700700][ T283] ? cap_capable (security/commoncap.c:131) 
[ 10.700887][ T283] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.701096][ T283] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.701290][ T283] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.701477][ T283] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.701713][ T283] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.701944][ T283] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.702202][ T283] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.702398][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.702587][ T283] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.702779][ T283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.702983][ T283] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.703139][ T283] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.703333][ T283] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.703530][ T283] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.703672][ T283] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.703865][ T283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.704057][ T283] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.704267][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.704463][ T283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.704648][ T283] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.704838][ T283] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.705039][ T283] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.705244][ T283] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.705442][ T283] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.705636][ T283] ? __sys_recvmsg (net/socket.c:2859) 
[ 10.705824][ T283] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 10.706029][ T283] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 10.706235][ T283] __x64_sys_sendto (net/socket.c:2181) 
[ 10.706432][ T283] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.706667][ T283] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.706857][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.707099][  T283] RIP: 0033:0x7f54c3c14a4a
[ 10.707293][ T283] 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
[   10.707943][  T283] RSP: 002b:00007ffd21194008 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.708239][  T283] RAX: ffffffffffffffda RBX: 0000000011fc4b00 RCX: 00007f54c3c14a4a
[   10.708516][  T283] RDX: 0000000000000038 RSI: 0000000011fc4b00 RDI: 0000000000000005
[   10.708799][  T283] RBP: 0000000011fc4910 R08: 00007f54c3db8200 R09: 000000000000000c
[   10.709075][  T283] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.709371][  T283] R13: 0000000011fc4910 R14: 0000000000000000 R15: 0000000000000003
| [   11.257860][  T293] ------------[ cut here ]------------
| [ 11.258600][ T293] WARNING: CPU: 3 PID: 293 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.258982][  T293] Modules linked in: netdevsim
| [   11.259558][  T293] Tainted: [W]=WARN
[   11.259707][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.259944][ T293] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.260203][ T293] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.260852][  T293] RSP: 0018:ffffc900005d71e8 EFLAGS: 00010246
[   11.261097][  T293] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.261379][  T293] RDX: 0000000000000000 RSI: ffff8880092d2c98 RDI: ffff88800a7d0b00
[   11.261655][  T293] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   11.261931][  T293] R10: ffffffff9cfec1e7 R11: ffff88800a7d0040 R12: 0000000000000000
[   11.262219][  T293] R13: ffff8880092d2128 R14: ffff8880092d2008 R15: ffff8880092d2000
[   11.262502][  T293] FS:  00007fa5f353b800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   11.262823][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.263058][  T293] CR2: 00007fa5f38eb200 CR3: 000000000a698003 CR4: 0000000000772ef0
[   11.263346][  T293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.263624][  T293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.263905][  T293] PKRU: 55555554
[   11.264048][  T293] Call Trace:
[   11.264203][  T293]  <TASK>
[ 11.264305][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.264492][ T293] ? __warn (kernel/panic.c:748) 
[ 11.264637][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.264827][ T293] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.265026][ T293] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.265181][ T293] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.265368][ T293] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.265570][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.265759][ T293] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.265953][ T293] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.266201][ T293] ? _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) 
[ 11.266400][ T293] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.266592][ T293] register_netdevice (net/core/dev.c:11003) 
[ 11.266785][ T293] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.266984][ T293] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.267198][ T293] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.267447][ T293] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.267702][ T293] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.267949][ T293] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.268204][ T293] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.268444][ T293] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.268680][ T293] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 11.268867][ T293] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 11.269129][ T293] devlink_reload (net/devlink/dev.c:474) 
[ 11.269331][ T293] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.269523][ T293] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 11.269764][ T293] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.269957][ T293] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.270203][ T293] ? __nla_parse (lib/nlattr.c:732) 
[ 11.270403][ T293] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.270599][ T293] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.270845][ T293] ? cap_capable (security/commoncap.c:131) 
[ 11.271033][ T293] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.271239][ T293] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.271430][ T293] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.271624][ T293] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.271858][ T293] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.272103][ T293] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.272348][ T293] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.272538][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.272725][ T293] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.272916][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.273126][ T293] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.273276][ T293] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.273467][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.273661][ T293] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.273804][ T293] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.273996][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.274196][ T293] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.274392][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.274584][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.274776][ T293] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.274964][ T293] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.275169][ T293] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.275361][ T293] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.275558][ T293] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.275751][ T293] ? __sys_recvmsg (net/socket.c:2859) 
[ 11.275937][ T293] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 11.276148][ T293] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 11.276346][ T293] __x64_sys_sendto (net/socket.c:2181) 
[ 11.276532][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.276764][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.276954][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.277194][  T293] RIP: 0033:0x7fa5f3747a4a
[ 11.277386][ T293] 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
[   11.278042][  T293] RSP: 002b:00007fffeb06e008 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.278338][  T293] RAX: ffffffffffffffda RBX: 0000000003a39b00 RCX: 00007fa5f3747a4a
[   11.278616][  T293] RDX: 0000000000000038 RSI: 0000000003a39b00 RDI: 0000000000000005
[   11.278896][  T293] RBP: 0000000003a39910 R08: 00007fa5f38eb200 R09: 000000000000000c
[   11.279182][  T293] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.279471][  T293] R13: 0000000003a39910 R14: 0000000000000000 R15: 0000000000000003
| [   12.719486][  T338] ------------[ cut here ]------------
| [ 12.719717][ T338] WARNING: CPU: 0 PID: 338 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.720108][  T338] Modules linked in: netdevsim
| [   12.720635][  T338] Tainted: [W]=WARN
[   12.720784][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.721019][ T338] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.721278][ T338] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.721944][  T338] RSP: 0018:ffffc900008471e8 EFLAGS: 00010246
[   12.722207][  T338] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.722487][  T338] RDX: 0000000000000000 RSI: ffff88800abd2c98 RDI: ffff888009c4d080
[   12.722763][  T338] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   12.723046][  T338] R10: ffffffff9cfec1e7 R11: ffff888009c4c5c0 R12: 0000000000000000
[   12.723342][  T338] R13: ffff88800abd2128 R14: ffff88800abd2008 R15: ffff88800abd2000
[   12.723622][  T338] FS:  00007f45fe1a7800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   12.723947][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.724192][  T338] CR2: 00007f45fe557200 CR3: 0000000005ad2004 CR4: 0000000000772ef0
[   12.724475][  T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.724755][  T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.725033][  T338] PKRU: 55555554
[   12.725185][  T338] Call Trace:
[   12.725331][  T338]  <TASK>
[ 12.725428][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.725620][ T338] ? __warn (kernel/panic.c:748) 
[ 12.725766][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.725957][ T338] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.726176][ T338] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.726324][ T338] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.726513][ T338] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.726713][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.726903][ T338] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.727111][ T338] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.727353][ T338] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 12.727549][ T338] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.727742][ T338] register_netdevice (net/core/dev.c:11003) 
[ 12.727940][ T338] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.728151][ T338] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.728358][ T338] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.728602][ T338] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.728855][ T338] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.729116][ T338] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.729369][ T338] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.729609][ T338] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.729851][ T338] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 12.730040][ T338] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 12.730311][ T338] devlink_reload (net/devlink/dev.c:474) 
[ 12.730512][ T338] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.730704][ T338] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 12.730947][ T338] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.731153][ T338] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.731390][ T338] ? __nla_parse (lib/nlattr.c:732) 
[ 12.731588][ T338] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.731782][ T338] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.732035][ T338] ? cap_capable (security/commoncap.c:131) 
[ 12.732235][ T338] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.732434][ T338] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.732628][ T338] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.732821][ T338] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.733053][ T338] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.733296][ T338] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.733543][ T338] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.733735][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.733923][ T338] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.734137][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.734341][ T338] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.734484][ T338] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.734676][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.734873][ T338] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.735016][ T338] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.735226][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.735428][ T338] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.735626][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.735818][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.736005][ T338] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.736204][ T338] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.736402][ T338] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.736595][ T338] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.736799][ T338] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 12.736994][ T338] ? __sys_recvmsg (net/socket.c:2859) 
[ 12.737193][ T338] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 12.737392][ T338] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 12.737614][ T338] __x64_sys_sendto (net/socket.c:2181) 
[ 12.737805][ T338] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.738039][ T338] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.738253][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.738490][  T338] RIP: 0033:0x7f45fe3b3a4a
[ 12.738683][ T338] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   12.739352][  T338] RSP: 002b:00007ffe64267fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.739641][  T338] RAX: ffffffffffffffda RBX: 0000000020c74b00 RCX: 00007f45fe3b3a4a
[   12.739919][  T338] RDX: 0000000000000038 RSI: 0000000020c74b00 RDI: 0000000000000005
[   12.740206][  T338] RBP: 0000000020c74910 R08: 00007f45fe557200 R09: 000000000000000c
[   12.740483][  T338] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.740762][  T338] R13: 0000000020c74910 R14: 0000000000000000 R15: 0000000000000003
| [   13.372869][  T349] ------------[ cut here ]------------
| [ 13.373201][ T349] WARNING: CPU: 3 PID: 349 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   13.373578][  T349] Modules linked in: netdevsim
| [   13.374120][  T349] Tainted: [W]=WARN
[   13.374266][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.374510][ T349] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.374749][ T349] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   13.375415][  T349] RSP: 0018:ffffc900008971e8 EFLAGS: 00010246
[   13.375652][  T349] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.375935][  T349] RDX: 0000000000000000 RSI: ffff88800b4aac98 RDI: ffff888004fe8b00
[   13.376222][  T349] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   13.376500][  T349] R10: ffffffff9cfec1e7 R11: ffff888004fe8040 R12: 0000000000000000
[   13.376776][  T349] R13: ffff88800b4aa128 R14: ffff88800b4aa008 R15: ffff88800b4aa000
[   13.377057][  T349] FS:  00007fe7ab8ea800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   13.377402][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.377640][  T349] CR2: 00007fe7abc9a200 CR3: 00000000052b2003 CR4: 0000000000772ef0
[   13.377926][  T349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.378250][  T349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.378531][  T349] PKRU: 55555554
[   13.378673][  T349] Call Trace:
[   13.378815][  T349]  <TASK>
[ 13.378911][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.379113][ T349] ? __warn (kernel/panic.c:748) 
[ 13.379260][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.379458][ T349] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.379659][ T349] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.379802][ T349] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.379990][ T349] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.380201][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.380393][ T349] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.380587][ T349] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.380826][ T349] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 13.381024][ T349] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.381239][ T349] register_netdevice (net/core/dev.c:11003) 
[ 13.381435][ T349] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.381636][ T349] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.381841][ T349] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.382100][ T349] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.382356][ T349] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.382604][ T349] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.382850][ T349] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.383101][ T349] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.383344][ T349] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.383532][ T349] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.383834][ T349] devlink_reload (net/devlink/dev.c:474) 
[ 13.384031][ T349] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.384237][ T349] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.384479][ T349] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.384672][ T349] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.384909][ T349] ? __nla_parse (lib/nlattr.c:732) 
[ 13.385135][ T349] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.385330][ T349] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.385579][ T349] ? cap_capable (security/commoncap.c:131) 
[ 13.385766][ T349] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.385961][ T349] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.386164][ T349] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.386355][ T349] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.386591][ T349] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.386823][ T349] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.387069][ T349] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.387273][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.387459][ T349] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.387652][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.387854][ T349] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.388003][ T349] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.388203][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.388398][ T349] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.388539][ T349] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.388732][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.388922][ T349] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.389140][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.389353][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.389546][ T349] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.389737][ T349] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.389934][ T349] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.390138][ T349] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.390338][ T349] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 13.390531][ T349] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.390718][ T349] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.390919][ T349] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.391126][ T349] __x64_sys_sendto (net/socket.c:2181) 
[ 13.391317][ T349] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.391550][ T349] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.391743][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.391975][  T349] RIP: 0033:0x7fe7abaf6a4a
[ 13.392179][ T349] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   13.392832][  T349] RSP: 002b:00007ffeb2079af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.393134][  T349] RAX: ffffffffffffffda RBX: 0000000022b3eb00 RCX: 00007fe7abaf6a4a
[   13.393414][  T349] RDX: 0000000000000038 RSI: 0000000022b3eb00 RDI: 0000000000000005
[   13.393697][  T349] RBP: 0000000022b3e910 R08: 00007fe7abc9a200 R09: 000000000000000c
[   13.393972][  T349] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.394265][  T349] R13: 0000000022b3e910 R14: 0000000000000000 R15: 0000000000000003
| [   15.175354][  T410] ------------[ cut here ]------------
| [ 15.175651][ T410] WARNING: CPU: 0 PID: 410 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   15.176027][  T410] Modules linked in: netdevsim
| [   15.176657][  T410] Tainted: [W]=WARN
[   15.176800][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.177033][ T410] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.177363][ T410] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   15.178018][  T410] RSP: 0018:ffffc90000b871e8 EFLAGS: 00010246
[   15.178341][  T410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   15.178622][  T410] RDX: 0000000000000000 RSI: ffff88800591ac98 RDI: ffff888002062dc0
[   15.178899][  T410] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   15.179262][  T410] R10: ffffffff9cfec1e7 R11: ffff888002062300 R12: 0000000000000000
[   15.179565][  T410] R13: ffff88800591a128 R14: ffff88800591a008 R15: ffff88800591a000
[   15.179845][  T410] FS:  00007f81036ff800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   15.180193][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.180428][  T410] CR2: 00007f8103aaf200 CR3: 000000000b666001 CR4: 0000000000772ef0
[   15.180706][  T410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   15.180984][  T410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   15.181271][  T410] PKRU: 55555554
[   15.181413][  T410] Call Trace:
[   15.181555][  T410]  <TASK>
[ 15.181650][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.181841][ T410] ? __warn (kernel/panic.c:748) 
[ 15.181987][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.182186][ T410] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 15.182384][ T410] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 15.182529][ T410] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 15.182719][ T410] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 15.182921][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.183121][ T410] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 15.183318][ T410] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 15.183559][ T410] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 15.183755][ T410] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 15.183949][ T410] register_netdevice (net/core/dev.c:11003) 
[ 15.184153][ T410] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 15.184356][ T410] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 15.184562][ T410] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 15.184807][ T410] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 15.185061][ T410] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 15.185320][ T410] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 15.185569][ T410] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 15.185810][ T410] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 15.186050][ T410] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 15.186246][ T410] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 15.186496][ T410] devlink_reload (net/devlink/dev.c:474) 
[ 15.186691][ T410] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 15.186883][ T410] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 15.187136][ T410] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 15.187328][ T410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.187568][ T410] ? __nla_parse (lib/nlattr.c:732) 
[ 15.187768][ T410] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 15.187960][ T410] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 15.188216][ T410] ? cap_capable (security/commoncap.c:131) 
[ 15.188408][ T410] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 15.188604][ T410] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 15.188794][ T410] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 15.188987][ T410] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 15.189231][ T410] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.189471][ T410] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 15.189719][ T410] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 15.189913][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 15.190109][ T410] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 15.190302][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 15.190503][ T410] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 15.190648][ T410] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 15.190838][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 15.191036][ T410] genl_rcv (net/netlink/genetlink.c:1220) 
[ 15.191188][ T410] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 15.191383][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 15.191578][ T410] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.191780][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 15.191972][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 15.192175][ T410] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 15.192366][ T410] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 15.192562][ T410] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 15.192753][ T410] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 15.192950][ T410] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 15.193155][ T410] ? __sys_recvmsg (net/socket.c:2859) 
[ 15.193346][ T410] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 15.193542][ T410] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 15.193736][ T410] __x64_sys_sendto (net/socket.c:2181) 
[ 15.193924][ T410] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 15.194166][ T410] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 15.194355][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.194587][  T410] RIP: 0033:0x7f810390ba4a
[ 15.194784][ T410] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   15.195453][  T410] RSP: 002b:00007fff72f1b298 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.195739][  T410] RAX: ffffffffffffffda RBX: 0000000036c27b00 RCX: 00007f810390ba4a
[   15.196021][  T410] RDX: 0000000000000038 RSI: 0000000036c27b00 RDI: 0000000000000005
[   15.196305][  T410] RBP: 0000000036c27910 R08: 00007f8103aaf200 R09: 000000000000000c
[   15.196584][  T410] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   15.196860][  T410] R13: 0000000036c27910 R14: 0000000000000000 R15: 0000000000000003
| [   15.830166][  T421] ------------[ cut here ]------------
| [ 15.830408][ T421] WARNING: CPU: 3 PID: 421 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   15.830789][  T421] Modules linked in: netdevsim
| [   15.831353][  T421] Tainted: [W]=WARN
[   15.831500][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.831733][ T421] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.831973][ T421] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   15.832635][  T421] RSP: 0018:ffffc90000bc71e8 EFLAGS: 00010246
[   15.832873][  T421] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   15.833156][  T421] RDX: 0000000000000000 RSI: ffff888009cdac98 RDI: ffff8880052eadc0
[   15.833433][  T421] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   15.833713][  T421] R10: ffffffff9cfec1e7 R11: ffff8880052ea300 R12: 0000000000000000
[   15.833991][  T421] R13: ffff888009cda128 R14: ffff888009cda008 R15: ffff888009cda000
[   15.834279][  T421] FS:  00007f26e2541800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   15.834603][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.834837][  T421] CR2: 00007f26e28f1200 CR3: 0000000009a9c004 CR4: 0000000000772ef0
[   15.835130][  T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   15.835409][  T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   15.835686][  T421] PKRU: 55555554
[   15.835828][  T421] Call Trace:
[   15.835969][  T421]  <TASK>
[ 15.836067][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.836348][ T421] ? __warn (kernel/panic.c:748) 
[ 15.836496][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.836688][ T421] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 15.836881][ T421] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 15.837027][ T421] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 15.837249][ T421] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 15.837451][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 15.837645][ T421] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 15.837837][ T421] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 15.838077][ T421] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 15.838281][ T421] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 15.838474][ T421] register_netdevice (net/core/dev.c:11003) 
[ 15.838667][ T421] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 15.838866][ T421] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 15.839073][ T421] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 15.839350][ T421] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 15.839601][ T421] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 15.839848][ T421] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 15.840110][ T421] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 15.840353][ T421] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 15.840588][ T421] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 15.840777][ T421] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 15.841024][ T421] devlink_reload (net/devlink/dev.c:474) 
[ 15.841225][ T421] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 15.841417][ T421] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 15.841662][ T421] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 15.841853][ T421] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.842102][ T421] ? __nla_parse (lib/nlattr.c:732) 
[ 15.842301][ T421] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 15.842493][ T421] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 15.842739][ T421] ? cap_capable (security/commoncap.c:131) 
[ 15.842928][ T421] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 15.843145][ T421] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 15.843337][ T421] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 15.843527][ T421] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 15.843758][ T421] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 15.843989][ T421] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 15.844242][ T421] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 15.844433][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 15.844621][ T421] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 15.844812][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 15.845014][ T421] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 15.845168][ T421] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 15.845359][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 15.845553][ T421] genl_rcv (net/netlink/genetlink.c:1220) 
[ 15.845697][ T421] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 15.845891][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 15.846102][ T421] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.846310][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 15.846503][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 15.846689][ T421] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 15.846879][ T421] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 15.847076][ T421] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 15.847290][ T421] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 15.847490][ T421] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 15.847684][ T421] ? __sys_recvmsg (net/socket.c:2859) 
[ 15.847874][ T421] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 15.848072][ T421] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 15.848273][ T421] __x64_sys_sendto (net/socket.c:2181) 
[ 15.848464][ T421] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 15.848705][ T421] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 15.848899][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.849140][  T421] RIP: 0033:0x7f26e274da4a
[ 15.849345][ T421] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   15.849991][  T421] RSP: 002b:00007ffccd4905d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.850288][  T421] RAX: ffffffffffffffda RBX: 000000002804bb00 RCX: 00007f26e274da4a
[   15.850569][  T421] RDX: 0000000000000038 RSI: 000000002804bb00 RDI: 0000000000000005
[   15.850845][  T421] RBP: 000000002804b910 R08: 00007f26e28f1200 R09: 000000000000000c
[   15.851132][  T421] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   15.851412][  T421] R13: 000000002804b910 R14: 0000000000000000 R15: 0000000000000003
| [   16.824736][  T453] ------------[ cut here ]------------
| [ 16.825067][ T453] WARNING: CPU: 2 PID: 453 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   16.825491][  T453] Modules linked in: netdevsim
| [   16.826046][  T453] Tainted: [W]=WARN
[   16.826233][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.826483][ T453] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.826736][ T453] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   16.827416][  T453] RSP: 0018:ffffc90000cc71e8 EFLAGS: 00010246
[   16.827669][  T453] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.827963][  T453] RDX: 0000000000000000 RSI: ffff8880093f2c98 RDI: ffff88800da7d080
[   16.828267][  T453] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   16.828565][  T453] R10: ffffffff9cfec1e7 R11: ffff88800da7c5c0 R12: 0000000000000000
[   16.828857][  T453] R13: ffff8880093f2128 R14: ffff8880093f2008 R15: ffff8880093f2000
[   16.829163][  T453] FS:  00007f8706a02800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   16.829513][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.829767][  T453] CR2: 00007f8706db2200 CR3: 0000000004f0c005 CR4: 0000000000772ef0
[   16.830064][  T453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.830373][  T453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.830663][  T453] PKRU: 55555554
[   16.830819][  T453] Call Trace:
[   16.830974][  T453]  <TASK>
[ 16.831095][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.831311][ T453] ? __warn (kernel/panic.c:748) 
[ 16.831471][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.831679][ T453] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.831887][ T453] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.832046][ T453] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.832271][ T453] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.832489][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.832694][ T453] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.832905][ T453] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.833173][ T453] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 16.833384][ T453] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.833590][ T453] register_netdevice (net/core/dev.c:11003) 
[ 16.833799][ T453] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.834014][ T453] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.834244][ T453] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.834504][ T453] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.834770][ T453] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.835034][ T453] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.835304][ T453] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.835567][ T453] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.835820][ T453] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.836021][ T453] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.836300][ T453] devlink_reload (net/devlink/dev.c:474) 
[ 16.836509][ T453] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.836715][ T453] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.836970][ T453] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.837191][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.837443][ T453] ? __nla_parse (lib/nlattr.c:732) 
[ 16.837658][ T453] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.837865][ T453] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.838137][ T453] ? cap_capable (security/commoncap.c:131) 
[ 16.838340][ T453] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.838550][ T453] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.838756][ T453] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.838958][ T453] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.839212][ T453] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.839527][ T453] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.839803][ T453] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.840023][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.840259][ T453] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.840486][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.840718][ T453] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.840889][ T453] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.841123][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.841349][ T453] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.841520][ T453] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.841740][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.841965][ T453] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.842202][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.842427][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.842640][ T453] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.842862][ T453] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.843099][ T453] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.843323][ T453] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.843552][ T453] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.843775][ T453] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.843998][ T453] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.844245][ T453] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.844468][ T453] __x64_sys_sendto (net/socket.c:2181) 
[ 16.844684][ T453] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.844952][ T453] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.845185][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.845450][  T453] RIP: 0033:0x7f8706c0ea4a
[ 16.845673][ T453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   16.846402][  T453] RSP: 002b:00007ffd7e066748 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.846718][  T453] RAX: ffffffffffffffda RBX: 000000000ba3fb00 RCX: 00007f8706c0ea4a
[   16.847038][  T453] RDX: 0000000000000038 RSI: 000000000ba3fb00 RDI: 0000000000000005
[   16.847361][  T453] RBP: 000000000ba3f910 R08: 00007f8706db2200 R09: 000000000000000c
[   16.847676][  T453] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.847989][  T453] R13: 000000000ba3f910 R14: 0000000000000000 R15: 0000000000000003
| [   17.706558][  T469] ------------[ cut here ]------------
| [ 17.706784][ T469] WARNING: CPU: 0 PID: 469 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   17.707178][  T469] Modules linked in: netdevsim
| [   17.707706][  T469] Tainted: [W]=WARN
[   17.707851][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.708111][ T469] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.708355][ T469] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   17.709007][  T469] RSP: 0018:ffffc90000d671e8 EFLAGS: 00010246
[   17.709349][  T469] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   17.709643][  T469] RDX: 0000000000000000 RSI: ffff8880092d2c98 RDI: ffff888009955080
[   17.709921][  T469] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[   17.710285][  T469] R10: ffffffff9cfec1e7 R11: ffff8880099545c0 R12: 0000000000000000
[   17.710563][  T469] R13: ffff8880092d2128 R14: ffff8880092d2008 R15: ffff8880092d2000
[   17.710844][  T469] FS:  00007f59ba8bc800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   17.711221][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.711456][  T469] CR2: 00007f7e997aa5a0 CR3: 000000000da66003 CR4: 0000000000772ef0
[   17.711734][  T469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   17.712019][  T469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   17.712304][  T469] PKRU: 55555554
[   17.712446][  T469] Call Trace:
[   17.712589][  T469]  <TASK>
[ 17.712687][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.712875][ T469] ? __warn (kernel/panic.c:748) 
[ 17.713024][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.713230][ T469] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 17.713425][ T469] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 17.713569][ T469] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 17.713756][ T469] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 17.713958][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.714159][ T469] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 17.714353][ T469] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 17.714592][ T469] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 17.714789][ T469] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 17.714981][ T469] register_netdevice (net/core/dev.c:11003) 
[ 17.715187][ T469] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 17.715388][ T469] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 17.715591][ T469] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 17.715835][ T469] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 17.716102][ T469] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 17.716349][ T469] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 17.716592][ T469] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 17.716830][ T469] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 17.717072][ T469] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 17.717275][ T469] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 17.717524][ T469] devlink_reload (net/devlink/dev.c:474) 
[ 17.717718][ T469] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 17.717908][ T469] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 17.718162][ T469] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 17.718361][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.718595][ T469] ? __nla_parse (lib/nlattr.c:732) 
[ 17.718796][ T469] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 17.718988][ T469] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 17.719361][ T469] ? cap_capable (security/commoncap.c:131) 
[ 17.719553][ T469] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 17.719750][ T469] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 17.719941][ T469] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 17.720141][ T469] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 17.720376][ T469] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.720605][ T469] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 17.720848][ T469] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 17.721038][ T469] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 17.721237][ T469] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 17.721432][ T469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 17.721639][ T469] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 17.721781][ T469] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 17.721971][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 17.722176][ T469] genl_rcv (net/netlink/genetlink.c:1220) 
[ 17.722320][ T469] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 17.722511][ T469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 17.722699][ T469] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 17.722893][ T469] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 17.723102][ T469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 17.723289][ T469] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 17.723478][ T469] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 17.723675][ T469] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 17.723866][ T469] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 17.724062][ T469] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 17.724264][ T469] ? __sys_recvmsg (net/socket.c:2859) 
[ 17.724452][ T469] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 17.724652][ T469] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 17.724845][ T469] __x64_sys_sendto (net/socket.c:2181) 
[ 17.725032][ T469] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 17.725275][ T469] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 17.725464][ T469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.725694][  T469] RIP: 0033:0x7f59baac8a4a
[ 17.725886][ T469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   17.726547][  T469] RSP: 002b:00007ffccf2753a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   17.726829][  T469] RAX: ffffffffffffffda RBX: 0000000006001b00 RCX: 00007f59baac8a4a
[   17.727113][  T469] RDX: 0000000000000038 RSI: 0000000006001b00 RDI: 0000000000000005
[   17.727395][  T469] RBP: 0000000006001910 R08: 00007f59bac6c200 R09: 000000000000000c
[   17.727671][  T469] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   17.727948][  T469] R13: 0000000006001910 R14: 0000000000000000 R15: 0000000000000003
| [  288.843607][  T981] ------------[ cut here ]------------
| [ 288.843914][ T981] WARNING: CPU: 2 PID: 981 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  288.844509][  T981] Modules linked in: netdevsim
| [  288.845141][  T981] Tainted: [W]=WARN
[  288.845315][  T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 288.845605][ T981] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 288.845884][ T981] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  288.846646][  T981] RSP: 0018:ffffc90001e471e8 EFLAGS: 00010246
[  288.846925][  T981] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  288.847259][  T981] RDX: 0000000000000000 RSI: ffff88800abd2c98 RDI: ffff888004f2d080
[  288.847583][  T981] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  288.847916][  T981] R10: ffffffff9cfec1e7 R11: ffff888004f2c5c0 R12: 0000000000000000
[  288.848271][  T981] R13: ffff88800abd2128 R14: ffff88800abd2008 R15: ffff88800abd2000
[  288.848592][  T981] FS:  00007f662e503800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  288.848983][  T981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  288.849280][  T981] CR2: 00007f662e8b3200 CR3: 00000000058f0002 CR4: 0000000000772ef0
[  288.849600][  T981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  288.849925][  T981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  288.850261][  T981] PKRU: 55555554
[  288.850442][  T981] Call Trace:
[  288.850613][  T981]  <TASK>
[ 288.850735][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 288.850962][ T981] ? __warn (kernel/panic.c:748) 
[ 288.851149][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 288.851377][ T981] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 288.851608][ T981] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 288.851784][ T981] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 288.852009][ T981] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 288.852260][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 288.852481][ T981] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 288.852710][ T981] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 288.852984][ T981] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 288.853224][ T981] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 288.853449][ T981] register_netdevice (net/core/dev.c:11003) 
[ 288.853683][ T981] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 288.853915][ T981] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 288.854171][ T981] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 288.854458][ T981] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 288.854752][ T981] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 288.855043][ T981] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 288.855337][ T981] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 288.855616][ T981] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 288.855892][ T981] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 288.856127][ T981] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 288.856443][ T981] devlink_reload (net/devlink/dev.c:474) 
[ 288.856674][ T981] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 288.856903][ T981] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 288.857199][ T981] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 288.857431][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 288.857706][ T981] ? __nla_parse (lib/nlattr.c:732) 
[ 288.857951][ T981] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 288.858189][ T981] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 288.858486][ T981] ? cap_capable (security/commoncap.c:131) 
[ 288.858710][ T981] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 288.858946][ T981] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 288.859183][ T981] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 288.859406][ T981] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 288.859672][ T981] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 288.859951][ T981] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 288.860244][ T981] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 288.860470][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 288.860691][ T981] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 288.860918][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 288.861169][ T981] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 288.861344][ T981] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 288.861579][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 288.861811][ T981] genl_rcv (net/netlink/genetlink.c:1220) 
[ 288.861985][ T981] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 288.862219][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 288.862473][ T981] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 288.862853][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 288.863247][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 288.863601][ T981] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 288.863973][ T981] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 288.864267][ T981] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 288.864496][ T981] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 288.864722][ T981] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 288.864951][ T981] ? __sys_recvmsg (net/socket.c:2859) 
[ 288.865194][ T981] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 288.865425][ T981] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 288.865653][ T981] __x64_sys_sendto (net/socket.c:2181) 
[ 288.865885][ T981] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 288.866168][ T981] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 288.866391][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  288.866660][  T981] RIP: 0033:0x7f662e70fa4a
[ 288.866886][ T981] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  288.867628][  T981] RSP: 002b:00007ffc3650c6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  288.867976][  T981] RAX: ffffffffffffffda RBX: 00000000353a2b00 RCX: 00007f662e70fa4a
[  288.868310][  T981] RDX: 0000000000000038 RSI: 00000000353a2b00 RDI: 0000000000000005
[  288.868632][  T981] RBP: 00000000353a2910 R08: 00007f662e8b3200 R09: 000000000000000c
[  288.868956][  T981] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  288.869294][  T981] R13: 00000000353a2910 R14: 0000000000000000 R15: 0000000000000003
| [  289.561600][  T995] ------------[ cut here ]------------
| [ 289.561880][ T995] WARNING: CPU: 0 PID: 995 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  289.562320][  T995] Modules linked in: netdevsim
| [  289.562911][  T995] Tainted: [W]=WARN
[  289.563068][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 289.564294][ T995] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.564567][ T995] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  289.565278][  T995] RSP: 0018:ffffc90001e971e8 EFLAGS: 00010246
[  289.565541][  T995] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  289.565841][  T995] RDX: 0000000000000000 RSI: ffff88800b4aac98 RDI: ffff888009155080
[  289.566148][  T995] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  289.566448][  T995] R10: ffffffff9cfec1e7 R11: ffff8880091545c0 R12: 0000000000000000
[  289.566750][  T995] R13: ffff88800b4aa128 R14: ffff88800b4aa008 R15: ffff88800b4aa000
[  289.567048][  T995] FS:  00007f19a1c66800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  289.567403][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.567656][  T995] CR2: 00007f7e996dfb70 CR3: 0000000005dc6005 CR4: 0000000000772ef0
[  289.567966][  T995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  289.568279][  T995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  289.568578][  T995] PKRU: 55555554
[  289.568732][  T995] Call Trace:
[  289.568888][  T995]  <TASK>
[ 289.568993][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.569205][ T995] ? __warn (kernel/panic.c:748) 
[ 289.569368][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.569576][ T995] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 289.569787][ T995] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 289.569945][ T995] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 289.570165][ T995] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 289.570399][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 289.570605][ T995] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 289.570814][ T995] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 289.571075][ T995] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 289.571297][ T995] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 289.571508][ T995] register_netdevice (net/core/dev.c:11003) 
[ 289.571717][ T995] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 289.571932][ T995] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 289.572162][ T995] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 289.572429][ T995] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 289.572699][ T995] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 289.572962][ T995] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 289.573235][ T995] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 289.573511][ T995] devlink_reload (net/devlink/dev.c:474) 
[ 289.573721][ T995] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 289.573932][ T995] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 289.574209][ T995] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 289.574415][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 289.574670][ T995] ? __nla_parse (lib/nlattr.c:732) 
[ 289.574883][ T995] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 289.575102][ T995] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 289.575371][ T995] ? cap_capable (security/commoncap.c:131) 
[ 289.575580][ T995] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 289.575790][ T995] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 289.575996][ T995] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 289.576207][ T995] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 289.576458][ T995] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 289.576709][ T995] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 289.576976][ T995] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 289.577190][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 289.577391][ T995] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 289.577599][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 289.577818][ T995] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 289.577986][ T995] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 289.578203][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 289.578417][ T995] genl_rcv (net/netlink/genetlink.c:1220) 
[ 289.578577][ T995] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 289.578784][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 289.578993][ T995] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 289.579215][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 289.579425][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 289.579627][ T995] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 289.579834][ T995] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 289.580055][ T995] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 289.580275][ T995] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 289.580489][ T995] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 289.580698][ T995] ? __sys_recvmsg (net/socket.c:2859) 
[ 289.580901][ T995] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 289.581121][ T995] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 289.581334][ T995] __x64_sys_sendto (net/socket.c:2181) 
[ 289.581543][ T995] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 289.581802][ T995] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 289.582012][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  289.582278][  T995] RIP: 0033:0x7f19a1e72a4a
[ 289.582491][ T995] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  289.583206][  T995] RSP: 002b:00007ffe13b23b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  289.583515][  T995] RAX: ffffffffffffffda RBX: 00000000154bcb00 RCX: 00007f19a1e72a4a
[  289.583815][  T995] RDX: 0000000000000038 RSI: 00000000154bcb00 RDI: 0000000000000005
[  289.584119][  T995] RBP: 00000000154bc910 R08: 00007f19a2016200 R09: 000000000000000c
[  289.584423][  T995] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  289.584720][  T995] R13: 00000000154bc910 R14: 0000000000000000 R15: 0000000000000003
| [  290.578381][ T1026] ------------[ cut here ]------------
| [ 290.578666][ T1026] WARNING: CPU: 3 PID: 1026 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  290.579155][ T1026] Modules linked in: netdevsim
| [  290.579780][ T1026] Tainted: [W]=WARN
[  290.579947][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 290.580284][ T1026] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.580570][ T1026] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  290.581464][ T1026] RSP: 0018:ffffc90001fe71e8 EFLAGS: 00010246
[  290.581744][ T1026] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  290.582080][ T1026] RDX: 0000000000000000 RSI: ffff88800591ac98 RDI: ffff888002575080
[  290.582498][ T1026] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  290.582844][ T1026] R10: ffffffff9cfec1e7 R11: ffff8880025745c0 R12: 0000000000000000
[  290.583282][ T1026] R13: ffff88800591a128 R14: ffff88800591a008 R15: ffff88800591a000
[  290.583610][ T1026] FS:  00007fcb8ed5c800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  290.584004][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.584418][ T1026] CR2: 00007fcb8f10c200 CR3: 00000000051fe004 CR4: 0000000000772ef0
[  290.584764][ T1026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  290.585183][ T1026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  290.585512][ T1026] PKRU: 55555554
[  290.585681][ T1026] Call Trace:
[  290.585847][ T1026]  <TASK>
[ 290.585960][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.586264][ T1026] ? __warn (kernel/panic.c:748) 
[ 290.586436][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.586654][ T1026] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 290.586881][ T1026] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 290.587048][ T1026] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 290.587280][ T1026] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 290.587513][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.587737][ T1026] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 290.587981][ T1026] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 290.588302][ T1026] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 290.588531][ T1026] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 290.588752][ T1026] register_netdevice (net/core/dev.c:11003) 
[ 290.588978][ T1026] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 290.589226][ T1026] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 290.589476][ T1026] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 290.589783][ T1026] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 290.590074][ T1026] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 290.590385][ T1026] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 290.590673][ T1026] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 290.590958][ T1026] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 290.591251][ T1026] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 290.591476][ T1026] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 290.591774][ T1026] devlink_reload (net/devlink/dev.c:474) 
[ 290.592008][ T1026] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 290.592256][ T1026] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 290.592553][ T1026] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 290.592785][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 290.593078][ T1026] ? __nla_parse (lib/nlattr.c:732) 
[ 290.593328][ T1026] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 290.593563][ T1026] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 290.593845][ T1026] ? cap_capable (security/commoncap.c:131) 
[ 290.594067][ T1026] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 290.594316][ T1026] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 290.594544][ T1026] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 290.594778][ T1026] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 290.595049][ T1026] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 290.595331][ T1026] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 290.595617][ T1026] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 290.595849][ T1026] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 290.596070][ T1026] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 290.596323][ T1026] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 290.596559][ T1026] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 290.596724][ T1026] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 290.596953][ T1026] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 290.597204][ T1026] genl_rcv (net/netlink/genetlink.c:1220) 
[ 290.597379][ T1026] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 290.597608][ T1026] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 290.597841][ T1026] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 290.598081][ T1026] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 290.598334][ T1026] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 290.598560][ T1026] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 290.598787][ T1026] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 290.599021][ T1026] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 290.599263][ T1026] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 290.599505][ T1026] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 290.599738][ T1026] ? __sys_recvmsg (net/socket.c:2859) 
[ 290.599962][ T1026] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 290.600220][ T1026] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 290.600464][ T1026] __x64_sys_sendto (net/socket.c:2181) 
[ 290.600697][ T1026] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 290.600975][ T1026] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 290.601213][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  290.601487][ T1026] RIP: 0033:0x7fcb8ef68a4a
[ 290.601711][ T1026] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  290.602493][ T1026] RSP: 002b:00007fff9d3f0858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  290.602826][ T1026] RAX: ffffffffffffffda RBX: 0000000039b0fb00 RCX: 00007fcb8ef68a4a
[  290.603172][ T1026] RDX: 0000000000000038 RSI: 0000000039b0fb00 RDI: 0000000000000005
[  290.603510][ T1026] RBP: 0000000039b0f910 R08: 00007fcb8f10c200 R09: 000000000000000c
[  290.603844][ T1026] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  290.604196][ T1026] R13: 0000000039b0f910 R14: 0000000000000000 R15: 0000000000000003
| [  291.544228][ T1044] ------------[ cut here ]------------
| [ 291.544514][ T1044] WARNING: CPU: 3 PID: 1044 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  291.544949][ T1044] Modules linked in: netdevsim
| [  291.545627][ T1044] Tainted: [W]=WARN
[  291.545795][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 291.546065][ T1044] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.546355][ T1044] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  291.547113][ T1044] RSP: 0018:ffffc900020471e8 EFLAGS: 00010246
[  291.547392][ T1044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  291.547712][ T1044] RDX: 0000000000000000 RSI: ffff888009cdac98 RDI: ffff88800a99adc0
[  291.548043][ T1044] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  291.548374][ T1044] R10: ffffffff9cfec1e7 R11: ffff88800a99a300 R12: 0000000000000000
[  291.548699][ T1044] R13: ffff888009cda128 R14: ffff888009cda008 R15: ffff888009cda000
[  291.549019][ T1044] FS:  00007f5fd6e67800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  291.549409][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  291.549682][ T1044] CR2: 00007f5fd7217200 CR3: 000000000dac2003 CR4: 0000000000772ef0
[  291.550005][ T1044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  291.550335][ T1044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  291.550658][ T1044] PKRU: 55555554
[  291.550819][ T1044] Call Trace:
[  291.550985][ T1044]  <TASK>
[ 291.551111][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.551330][ T1044] ? __warn (kernel/panic.c:748) 
[ 291.551500][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.551735][ T1044] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 291.551960][ T1044] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 291.552142][ T1044] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 291.552361][ T1044] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 291.552589][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.552835][ T1044] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 291.553059][ T1044] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 291.553350][ T1044] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 291.553595][ T1044] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 291.553820][ T1044] register_netdevice (net/core/dev.c:11003) 
[ 291.554063][ T1044] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 291.554304][ T1044] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 291.554545][ T1044] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 291.554826][ T1044] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 291.555125][ T1044] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 291.555423][ T1044] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 291.555705][ T1044] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 291.555986][ T1044] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 291.556287][ T1044] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 291.556520][ T1044] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 291.556816][ T1044] devlink_reload (net/devlink/dev.c:474) 
[ 291.557047][ T1044] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 291.557291][ T1044] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 291.557579][ T1044] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 291.557806][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 291.558123][ T1044] ? __nla_parse (lib/nlattr.c:732) 
[ 291.558357][ T1044] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 291.558580][ T1044] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 291.558874][ T1044] ? cap_capable (security/commoncap.c:131) 
[ 291.559113][ T1044] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 291.559346][ T1044] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 291.559570][ T1044] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 291.559789][ T1044] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 291.560058][ T1044] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 291.560342][ T1044] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 291.560634][ T1044] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 291.560864][ T1044] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 291.561080][ T1044] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 291.561319][ T1044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 291.561549][ T1044] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 291.561718][ T1044] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 291.561946][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 291.562198][ T1044] genl_rcv (net/netlink/genetlink.c:1220) 
[ 291.562372][ T1044] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 291.562595][ T1044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 291.562827][ T1044] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 291.563068][ T1044] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 291.563308][ T1044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 291.563530][ T1044] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 291.563758][ T1044] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 291.563996][ T1044] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 291.564233][ T1044] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 291.564463][ T1044] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 291.564688][ T1044] ? __sys_recvmsg (net/socket.c:2859) 
[ 291.564912][ T1044] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 291.565151][ T1044] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 291.565388][ T1044] __x64_sys_sendto (net/socket.c:2181) 
[ 291.565612][ T1044] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 291.565889][ T1044] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 291.566127][ T1044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  291.566398][ T1044] RIP: 0033:0x7f5fd7073a4a
[ 291.566620][ T1044] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  291.567382][ T1044] RSP: 002b:00007ffca81c1068 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  291.567726][ T1044] RAX: ffffffffffffffda RBX: 000000003c0aeb00 RCX: 00007f5fd7073a4a
[  291.568060][ T1044] RDX: 0000000000000038 RSI: 000000003c0aeb00 RDI: 0000000000000005
[  291.568400][ T1044] RBP: 000000003c0ae910 R08: 00007f5fd7217200 R09: 000000000000000c
[  291.568719][ T1044] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  291.569062][ T1044] R13: 000000003c0ae910 R14: 0000000000000000 R15: 0000000000000003
| [  294.663398][ T1136] ------------[ cut here ]------------
| [ 294.663720][ T1136] WARNING: CPU: 3 PID: 1136 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  294.664155][ T1136] Modules linked in: netdevsim
| [  294.664737][ T1136] Tainted: [W]=WARN
[  294.664899][ T1136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 294.665246][ T1136] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.665501][ T1136] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  294.666276][ T1136] RSP: 0018:ffffc900023571e8 EFLAGS: 00010246
[  294.666529][ T1136] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  294.666833][ T1136] RDX: 0000000000000000 RSI: ffff8880093f2c98 RDI: ffff88800a99adc0
[  294.667233][ T1136] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  294.667539][ T1136] R10: ffffffff9cfec1e7 R11: ffff88800a99a300 R12: 0000000000000000
[  294.667862][ T1136] R13: ffff8880093f2128 R14: ffff8880093f2008 R15: ffff8880093f2000
[  294.668260][ T1136] FS:  00007f99df292800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  294.668621][ T1136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  294.668884][ T1136] CR2: 00007f99df642200 CR3: 0000000009144001 CR4: 0000000000772ef0
[  294.669268][ T1136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  294.669564][ T1136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  294.669858][ T1136] PKRU: 55555554
[  294.670011][ T1136] Call Trace:
[  294.670240][ T1136]  <TASK>
[ 294.670345][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.670553][ T1136] ? __warn (kernel/panic.c:748) 
[ 294.670709][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.670910][ T1136] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 294.671133][ T1136] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 294.671293][ T1136] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 294.671490][ T1136] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 294.671699][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 294.671898][ T1136] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 294.672121][ T1136] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 294.672379][ T1136] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 294.672586][ T1136] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 294.672796][ T1136] register_netdevice (net/core/dev.c:11003) 
[ 294.673000][ T1136] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 294.673225][ T1136] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 294.673446][ T1136] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 294.673708][ T1136] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 294.673974][ T1136] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 294.674250][ T1136] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 294.674514][ T1136] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 294.674774][ T1136] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 294.675028][ T1136] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 294.675241][ T1136] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 294.675499][ T1136] devlink_reload (net/devlink/dev.c:474) 
[ 294.675697][ T1136] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 294.675892][ T1136] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 294.676157][ T1136] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 294.676355][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.676600][ T1136] ? __nla_parse (lib/nlattr.c:732) 
[ 294.676807][ T1136] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 294.677003][ T1136] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 294.677268][ T1136] ? cap_capable (security/commoncap.c:131) 
[ 294.677461][ T1136] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 294.677666][ T1136] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 294.677904][ T1136] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 294.678114][ T1136] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 294.678353][ T1136] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 294.678593][ T1136] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 294.678846][ T1136] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 294.679042][ T1136] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 294.679251][ T1136] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 294.679456][ T1136] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 294.679666][ T1136] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 294.679814][ T1136] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 294.680008][ T1136] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 294.680224][ T1136] genl_rcv (net/netlink/genetlink.c:1220) 
[ 294.680380][ T1136] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 294.680577][ T1136] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 294.680771][ T1136] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 294.680973][ T1136] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 294.681182][ T1136] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 294.681373][ T1136] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 294.681566][ T1136] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 294.681771][ T1136] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 294.681973][ T1136] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 294.682186][ T1136] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 294.682385][ T1136] ? __sys_recvmsg (net/socket.c:2859) 
[ 294.682577][ T1136] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 294.682779][ T1136] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 294.682976][ T1136] __x64_sys_sendto (net/socket.c:2181) 
[ 294.683179][ T1136] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 294.683422][ T1136] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 294.683617][ T1136] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  294.683852][ T1136] RIP: 0033:0x7f99df49ea4a
[ 294.684052][ T1136] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  294.684731][ T1136] RSP: 002b:00007ffed27a9478 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  294.685023][ T1136] RAX: ffffffffffffffda RBX: 0000000027acab00 RCX: 00007f99df49ea4a
[  294.685317][ T1136] RDX: 0000000000000038 RSI: 0000000027acab00 RDI: 0000000000000005
[  294.685602][ T1136] RBP: 0000000027aca910 R08: 00007f99df642200 R09: 000000000000000c
[  294.685884][ T1136] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  294.686182][ T1136] R13: 0000000027aca910 R14: 0000000000000000 R15: 0000000000000003
| [  295.509746][ T1150] ------------[ cut here ]------------
| [ 295.510056][ T1150] WARNING: CPU: 0 PID: 1150 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  295.511164][ T1150] Modules linked in: netdevsim
| [  295.511709][ T1150] Tainted: [W]=WARN
[  295.511855][ T1150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 295.512102][ T1150] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.512348][ T1150] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  295.513010][ T1150] RSP: 0018:ffffc900023971e8 EFLAGS: 00010246
[  295.513264][ T1150] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  295.513546][ T1150] RDX: 0000000000000000 RSI: ffff8880092d2c98 RDI: ffff888004fed080
[  295.513829][ T1150] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  295.514120][ T1150] R10: ffffffff9cfec1e7 R11: ffff888004fec5c0 R12: 0000000000000000
[  295.514407][ T1150] R13: ffff8880092d2128 R14: ffff8880092d2008 R15: ffff8880092d2000
[  295.514689][ T1150] FS:  00007fd960a83800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  295.515016][ T1150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  295.515270][ T1150] CR2: 00007f7e996dfb70 CR3: 000000000916a006 CR4: 0000000000772ef0
[  295.515557][ T1150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  295.515841][ T1150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  295.516132][ T1150] PKRU: 55555554
[  295.516277][ T1150] Call Trace:
[  295.516422][ T1150]  <TASK>
[ 295.516522][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.516714][ T1150] ? __warn (kernel/panic.c:748) 
[ 295.516868][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.517060][ T1150] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 295.517270][ T1150] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 295.517418][ T1150] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 295.517610][ T1150] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 295.517820][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 295.518017][ T1150] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 295.518226][ T1150] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 295.518470][ T1150] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 295.518668][ T1150] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 295.518863][ T1150] register_netdevice (net/core/dev.c:11003) 
[ 295.519059][ T1150] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 295.519271][ T1150] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 295.519483][ T1150] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 295.519731][ T1150] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 295.519987][ T1150] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 295.520253][ T1150] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 295.520502][ T1150] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 295.520745][ T1150] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 295.520990][ T1150] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 295.521191][ T1150] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 295.521444][ T1150] devlink_reload (net/devlink/dev.c:474) 
[ 295.521642][ T1150] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 295.521837][ T1150] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 295.522082][ T1150] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 295.522294][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.522534][ T1150] ? __nla_parse (lib/nlattr.c:732) 
[ 295.522735][ T1150] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 295.522930][ T1150] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 295.523192][ T1150] ? cap_capable (security/commoncap.c:131) 
[ 295.523382][ T1150] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 295.523580][ T1150] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 295.523778][ T1150] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 295.523969][ T1150] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 295.524215][ T1150] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 295.524453][ T1150] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 295.524701][ T1150] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 295.524893][ T1150] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 295.525093][ T1150] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 295.525295][ T1150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 295.525500][ T1150] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 295.525645][ T1150] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 295.525839][ T1150] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 295.526037][ T1150] genl_rcv (net/netlink/genetlink.c:1220) 
[ 295.526191][ T1150] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 295.526389][ T1150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 295.526586][ T1150] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 295.526783][ T1150] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 295.526979][ T1150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 295.527177][ T1150] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 295.527374][ T1150] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 295.527576][ T1150] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 295.527774][ T1150] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 295.527984][ T1150] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 295.528198][ T1150] ? __sys_recvmsg (net/socket.c:2859) 
[ 295.528390][ T1150] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 295.528592][ T1150] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 295.528789][ T1150] __x64_sys_sendto (net/socket.c:2181) 
[ 295.528982][ T1150] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 295.529228][ T1150] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 295.529422][ T1150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  295.529662][ T1150] RIP: 0033:0x7fd960c8fa4a
[ 295.529857][ T1150] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  295.530531][ T1150] RSP: 002b:00007fffbd3f4248 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  295.530818][ T1150] RAX: ffffffffffffffda RBX: 0000000001fe9b00 RCX: 00007fd960c8fa4a
[  295.531112][ T1150] RDX: 0000000000000038 RSI: 0000000001fe9b00 RDI: 0000000000000005
[  295.531396][ T1150] RBP: 0000000001fe9910 R08: 00007fd960e33200 R09: 000000000000000c
[  295.531677][ T1150] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  295.531958][ T1150] R13: 0000000001fe9910 R14: 0000000000000000 R15: 0000000000000003
| [  297.839802][ T1215] ------------[ cut here ]------------
| [ 297.840203][ T1215] WARNING: CPU: 2 PID: 1215 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  297.840630][ T1215] Modules linked in: netdevsim
| [  297.841255][ T1215] Tainted: [W]=WARN
[  297.841434][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 297.841711][ T1215] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.841996][ T1215] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  297.842731][ T1215] RSP: 0018:ffffc900026071e8 EFLAGS: 00010246
[  297.843012][ T1215] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  297.843349][ T1215] RDX: 0000000000000000 RSI: ffff88800abd2c98 RDI: ffff88800a99d080
[  297.843672][ T1215] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  297.843995][ T1215] R10: ffffffff9cfec1e7 R11: ffff88800a99c5c0 R12: 0000000000000000
[  297.844329][ T1215] R13: ffff88800abd2128 R14: ffff88800abd2008 R15: ffff88800abd2000
[  297.844645][ T1215] FS:  00007f0f06a0d800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  297.845014][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  297.845301][ T1215] CR2: 00007ff0f76b6000 CR3: 000000000b710006 CR4: 0000000000772ef0
[  297.845616][ T1215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  297.845929][ T1215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  297.846255][ T1215] PKRU: 55555554
[  297.846422][ T1215] Call Trace:
[  297.846588][ T1215]  <TASK>
[ 297.846708][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.846924][ T1215] ? __warn (kernel/panic.c:748) 
[ 297.847106][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.847334][ T1215] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 297.847568][ T1215] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 297.847740][ T1215] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 297.847967][ T1215] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 297.848217][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.848437][ T1215] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 297.848659][ T1215] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 297.848930][ T1215] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 297.849166][ T1215] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 297.849390][ T1215] register_netdevice (net/core/dev.c:11003) 
[ 297.849614][ T1215] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 297.849840][ T1215] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 297.850080][ T1215] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 297.850368][ T1215] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 297.850653][ T1215] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 297.850935][ T1215] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 297.851219][ T1215] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 297.851487][ T1215] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 297.851756][ T1215] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 297.851970][ T1215] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 297.852261][ T1215] devlink_reload (net/devlink/dev.c:474) 
[ 297.852487][ T1215] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 297.852708][ T1215] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 297.852986][ T1215] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 297.853217][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.853485][ T1215] ? __nla_parse (lib/nlattr.c:732) 
[ 297.853712][ T1215] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 297.853934][ T1215] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 297.854220][ T1215] ? cap_capable (security/commoncap.c:131) 
[ 297.854437][ T1215] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 297.854661][ T1215] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 297.854880][ T1215] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 297.855111][ T1215] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 297.855374][ T1215] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.855640][ T1215] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 297.855938][ T1215] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 297.856176][ T1215] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 297.856392][ T1215] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 297.856615][ T1215] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 297.856844][ T1215] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 297.857014][ T1215] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 297.857247][ T1215] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 297.857474][ T1215] genl_rcv (net/netlink/genetlink.c:1220) 
[ 297.857645][ T1215] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 297.857880][ T1215] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 297.858109][ T1215] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 297.858334][ T1215] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 297.858554][ T1215] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 297.858766][ T1215] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 297.858986][ T1215] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 297.859222][ T1215] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 297.859446][ T1215] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 297.859669][ T1215] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 297.859888][ T1215] ? __sys_recvmsg (net/socket.c:2859) 
[ 297.860113][ T1215] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 297.860340][ T1215] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 297.860566][ T1215] __x64_sys_sendto (net/socket.c:2181) 
[ 297.860783][ T1215] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 297.861049][ T1215] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 297.861283][ T1215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  297.861549][ T1215] RIP: 0033:0x7f0f06c19a4a
[ 297.861771][ T1215] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  297.862494][ T1215] RSP: 002b:00007ffc10e47598 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  297.862813][ T1215] RAX: ffffffffffffffda RBX: 0000000021263b00 RCX: 00007f0f06c19a4a
[  297.863139][ T1215] RDX: 0000000000000038 RSI: 0000000021263b00 RDI: 0000000000000005
[  297.863452][ T1215] RBP: 0000000021263910 R08: 00007f0f06dbd200 R09: 000000000000000c
[  297.863770][ T1215] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  297.864095][ T1215] R13: 0000000021263910 R14: 0000000000000000 R15: 0000000000000003
| [  299.055924][ T1246] ------------[ cut here ]------------
| [ 299.056265][ T1246] WARNING: CPU: 1 PID: 1246 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  299.056690][ T1246] Modules linked in: netdevsim
| [  299.057286][ T1246] Tainted: [W]=WARN
[  299.057447][ T1246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 299.057729][ T1246] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.058010][ T1246] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  299.058749][ T1246] RSP: 0018:ffffc900027071e8 EFLAGS: 00010246
[  299.059012][ T1246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  299.059326][ T1246] RDX: 0000000000000000 RSI: ffff88800b4aac98 RDI: ffff88800bb02dc0
[  299.059650][ T1246] RBP: ffff888009290040 R08: 0000000000000000 R09: fffffbfff39fd83c
[  299.059956][ T1246] R10: ffffffff9cfec1e7 R11: ffff88800bb02300 R12: 0000000000000000
[  299.060265][ T1246] R13: ffff88800b4aa128 R14: ffff88800b4aa008 R15: ffff88800b4aa000
[  299.060577][ T1246] FS:  00007fc502637800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  299.060932][ T1246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  299.061199][ T1246] CR2: 00007f7e997c77d0 CR3: 000000000d836005 CR4: 0000000000772ef0
[  299.061510][ T1246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  299.061824][ T1246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  299.062139][ T1246] PKRU: 55555554
[  299.062296][ T1246] Call Trace:
[  299.062453][ T1246]  <TASK>
[ 299.062572][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.062784][ T1246] ? __warn (kernel/panic.c:748) 
[ 299.062945][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.063165][ T1246] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 299.063377][ T1246] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 299.063536][ T1246] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 299.063751][ T1246] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 299.063967][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.064185][ T1246] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 299.064398][ T1246] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 299.064671][ T1246] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 299.064882][ T1246] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 299.065103][ T1246] register_netdevice (net/core/dev.c:11003) 
[ 299.065320][ T1246] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 299.065534][ T1246] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 299.065772][ T1246] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 299.066037][ T1246] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 299.066317][ T1246] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 299.066601][ T1246] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 299.066865][ T1246] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 299.067134][ T1246] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 299.067392][ T1246] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 299.067685][ T1246] devlink_reload (net/devlink/dev.c:474) 
[ 299.067903][ T1246] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 299.068120][ T1246] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 299.068382][ T1246] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 299.068588][ T1246] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.068839][ T1246] ? __nla_parse (lib/nlattr.c:732) 
[ 299.069059][ T1246] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 299.069280][ T1246] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 299.069547][ T1246] ? cap_capable (security/commoncap.c:131) 
[ 299.069755][ T1246] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 299.069966][ T1246] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 299.070184][ T1246] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 299.070395][ T1246] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 299.070649][ T1246] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 299.070898][ T1246] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 299.071172][ T1246] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 299.071381][ T1246] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 299.071583][ T1246] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 299.071789][ T1246] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 299.072004][ T1246] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 299.072167][ T1246] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 299.072373][ T1246] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 299.072582][ T1246] genl_rcv (net/netlink/genetlink.c:1220) 
[ 299.072738][ T1246] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 299.072952][ T1246] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 299.073176][ T1246] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 299.073383][ T1246] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 299.073594][ T1246] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 299.073796][ T1246] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 299.074003][ T1246] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 299.074225][ T1246] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 299.074431][ T1246] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 299.074648][ T1246] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 299.074857][ T1246] ? __sys_recvmsg (net/socket.c:2859) 
[ 299.075060][ T1246] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 299.075283][ T1246] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 299.075493][ T1246] __x64_sys_sendto (net/socket.c:2181) 
[ 299.075699][ T1246] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 299.075951][ T1246] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 299.076163][ T1246] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  299.076419][ T1246] RIP: 0033:0x7fc502843a4a
[ 299.076630][ T1246] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  299.077338][ T1246] RSP: 002b:00007ffd67460bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  299.077649][ T1246] RAX: ffffffffffffffda RBX: 0000000019890b00 RCX: 00007fc502843a4a
[  299.077958][ T1246] RDX: 0000000000000038 RSI: 0000000019890b00 RDI: 0000000000000005
[  299.078267][ T1246] RBP: 0000000019890910 R08: 00007fc5029e7200 R09: 000000000000000c
[  299.078568][ T1246] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  299.078873][ T1246] R13: 0000000019890910 R14: 0000000000000000 R15: 0000000000000003
| [  299.399953][   T11] ------------[ cut here ]------------
| [ 299.400341][ T11] WARNING: CPU: 0 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  299.400702][   T11] Modules linked in: netdevsim
| [  299.401329][   T11] Tainted: [W]=WARN
[  299.401466][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  299.401687][   T11] Workqueue: netns cleanup_net
[ 299.401891][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.402153][ T11] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  299.402751][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[  299.402969][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  299.403248][   T11] RDX: 0000000000000000 RSI: ffff88800591ac98 RDI: ffff888001a82e10
[  299.403507][   T11] RBP: ffffffff9f123440 R08: 0000000000000000 R09: fffffbfff39fd83c
[  299.403763][   T11] R10: ffffffff9cfec1e7 R11: ffff888001a82300 R12: 0000000000000000
[  299.404020][   T11] R13: ffff88800591a128 R14: ffff88800591a008 R15: ffff88800591a000
[  299.404295][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  299.404593][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  299.404809][   T11] CR2: 0000563d008bddec CR3: 0000000008ec0003 CR4: 0000000000772ef0
[  299.405067][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  299.405332][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  299.405596][   T11] PKRU: 55555554
[  299.405728][   T11] Call Trace:
[  299.405864][   T11]  <TASK>
[ 299.405956][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.406151][ T11] ? __warn (kernel/panic.c:748) 
[ 299.406293][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.406471][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 299.406663][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 299.406797][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 299.406974][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 299.407174][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 299.407358][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 299.407581][ T11] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 299.407763][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 299.407959][ T11] register_netdevice (net/core/dev.c:11003) 
[ 299.408152][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 299.408340][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 299.408533][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 299.408757][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 299.408992][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 299.409240][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 299.409473][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 299.409697][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 299.409924][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 299.410116][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 299.410303][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 299.410496][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 299.410677][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 299.410911][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 299.411104][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 299.411287][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 299.411458][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 299.411646][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 299.411830][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 299.412020][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 299.412225][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 299.412406][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 299.412600][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 299.412789][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 299.412980][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 299.413182][ T11] kthread (kernel/kthread.c:464) 
[ 299.413325][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 299.413513][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 299.413700][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 299.413882][ T11] ? __pfx_kthread (kernel/kthread.c:413) 


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