======================================
| 0
| xx__-> [   10.167978][  T229] ------------[ cut here ]------------
| [ 10.168379][ T229] WARNING: CPU: 2 PID: 229 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.168891][  T229] Modules linked in: netdevsim
[   10.169529][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.169808][ T229] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.170104][ T229] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.170861][  T229] RSP: 0018:ffffc90000b07520 EFLAGS: 00010246
[   10.171154][  T229] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.171485][  T229] RDX: 0000000000000000 RSI: ffff888002552c98 RDI: ffff88800adc8b78
[   10.171833][  T229] RBP: ffffffff88b23440 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   10.172188][  T229] R10: ffffffff869ec1e7 R11: ffff88800adc8040 R12: 0000000000000000
[   10.172519][  T229] R13: ffff888002552128 R14: ffff888002552008 R15: ffff888002552000
[   10.172848][  T229] FS:  00007ff7ec9d9740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   10.173251][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.173527][  T229] CR2: 000055ab3be4dac8 CR3: 0000000002578005 CR4: 0000000000772ef0
[   10.173859][  T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.174198][  T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.174529][  T229] PKRU: 55555554
[   10.174708][  T229] Call Trace:
[   10.174883][  T229]  <TASK>
[ 10.175010][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.175249][ T229] ? __warn (kernel/panic.c:748) 
[ 10.175428][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.175657][ T229] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.175887][ T229] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.176071][ T229] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.176296][ T229] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.176537][ T229] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.176771][ T229] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.177054][ T229] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.177291][ T229] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.177519][ T229] register_netdevice (net/core/dev.c:11003) 
[ 10.177754][ T229] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.177987][ T229] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.178239][ T229] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.178519][ T229] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.178693][ T229] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.178978][ T229] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.179270][ T229] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 10.179556][ T229] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 10.179793][ T229] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 10.180078][ T229] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 10.180307][ T229] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 10.180478][ T229] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 10.180708][ T229] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 10.180935][ T229] __driver_probe_device (drivers/base/dd.c:800) 
[ 10.181169][ T229] driver_probe_device (drivers/base/dd.c:830) 
[ 10.181390][ T229] __device_attach_driver (drivers/base/dd.c:959) 
[ 10.181622][ T229] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 10.181901][ T229] bus_for_each_drv (drivers/base/bus.c:462) 
[ 10.182137][ T229] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 10.182358][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.182583][ T229] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.182804][ T229] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.183030][ T229] __device_attach (drivers/base/dd.c:1030) 
[ 10.183268][ T229] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 10.183497][ T229] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 10.183726][ T229] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 10.183968][ T229] bus_probe_device (drivers/base/bus.c:537) 
[ 10.184214][ T229] device_add (drivers/base/core.c:3672) 
[ 10.184451][ T229] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 10.184673][ T229] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 10.184912][ T229] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 10.185212][ T229] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 10.185500][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.185724][ T229] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 10.185954][ T229] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 10.186187][ T229] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 10.186418][ T229] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 10.186601][ T229] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 10.186828][ T229] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.187051][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.187291][ T229] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 10.187524][ T229] ksys_write (fs/read_write.c:731) 
[ 10.187697][ T229] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 10.187917][ T229] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 10.188162][ T229] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.188388][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.188656][  T229] RIP: 0033:0x7ff7ecb1ab77
[ 10.188891][ T229] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   10.189640][  T229] RSP: 002b:00007ffd8b798d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.189970][  T229] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7ecb1ab77
[   10.190303][  T229] RDX: 0000000000000007 RSI: 000055ab3be4cac0 RDI: 0000000000000001
[   10.190634][  T229] RBP: 000055ab3be4cac0 R08: 0000000000000003 R09: 0000000000000077
[   10.190979][  T229] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000007
[   10.191316][  T229] R13: 00007ff7ecbd6760 R14: 0000000000000007 R15: 00007ff7ecbd19c0
| [   10.433049][  T256] ------------[ cut here ]------------
| [ 10.433833][ 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) 
| [   10.434289][  T256] Modules linked in: netdevsim
| [   10.434985][  T256] Tainted: [W]=WARN
[   10.435188][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.435478][ T256] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.435762][ 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
[   10.436534][  T256] RSP: 0018:ffffc90000b171e8 EFLAGS: 00010246
[   10.436815][  T256] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.437163][  T256] RDX: 0000000000000000 RSI: ffff8880056cac98 RDI: ffff8880092c5080
[   10.437486][  T256] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   10.437814][  T256] R10: ffffffff869ec1e7 R11: ffff8880092c45c0 R12: 0000000000000000
[   10.438147][  T256] R13: ffff8880056ca128 R14: ffff8880056ca008 R15: ffff8880056ca000
[   10.438484][  T256] FS:  00007f040fbdc800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   10.438863][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.439146][  T256] CR2: 00007f040fd1b440 CR3: 000000000ae6c003 CR4: 0000000000772ef0
[   10.439475][  T256] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.439811][  T256] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.440151][  T256] PKRU: 55555554
[   10.440315][  T256] Call Trace:
[   10.440484][  T256]  <TASK>
[ 10.440599][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.440825][ T256] ? __warn (kernel/panic.c:748) 
[ 10.440995][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.441233][ T256] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.441466][ T256] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.441635][ T256] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.441866][ T256] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.442172][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.442414][ T256] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.442641][ T256] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.442930][ 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) 
[ 10.443171][ T256] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.443410][ T256] register_netdevice (net/core/dev.c:11003) 
[ 10.443630][ T256] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.443869][ T256] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.444129][ T256] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.444422][ T256] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.444715][ T256] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.445015][ T256] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.445314][ T256] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.445602][ T256] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.445897][ T256] devlink_reload (net/devlink/dev.c:474) 
[ 10.446141][ T256] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.446365][ T256] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.446598][ T256] ? cap_capable (security/commoncap.c:131) 
[ 10.446818][ 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) 
[ 10.447003][ T256] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.447239][ T256] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.447529][ T256] ? __nla_parse (lib/nlattr.c:732) 
[ 10.447759][ T256] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.447979][ T256] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.448280][ T256] ? cap_capable (security/commoncap.c:131) 
[ 10.448493][ T256] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.448718][ T256] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.448948][ T256] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.449185][ T256] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.449455][ T256] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.449736][ T256] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.450022][ T256] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.450254][ T256] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.450477][ T256] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.450700][ T256] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.450937][ T256] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.451119][ T256] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.451346][ T256] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.451581][ T256] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.451752][ T256] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.451974][ T256] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.452212][ T256] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.452440][ T256] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.452669][ T256] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.452885][ T256] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.453128][ T256] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.453360][ T256] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.453589][ T256] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.453824][ T256] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.454044][ T256] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.454291][ T256] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.454528][ T256] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.454798][ T256] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.455019][ T256] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.455310][ T256] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.455545][ T256] __x64_sys_sendto (net/socket.c:2181) 
[ 10.455774][ T256] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.456077][ T256] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.456321][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.456610][  T256] RIP: 0033:0x7f040fde8a4a
[ 10.456841][ 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
[   10.457648][  T256] RSP: 002b:00007fff855f5488 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.457990][  T256] RAX: ffffffffffffffda RBX: 0000000025c18b00 RCX: 00007f040fde8a4a
[   10.458341][  T256] RDX: 0000000000000040 RSI: 0000000025c18b00 RDI: 0000000000000005
[   10.458681][  T256] RBP: 0000000025c18910 R08: 00007f040ff8c200 R09: 000000000000000c
[   10.459016][  T256] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.459365][  T256] R13: 0000000025c18910 R14: 0000000000000000 R15: 0000000000000001
| [   11.422441][  T284] ------------[ cut here ]------------
| [ 11.422698][ T284] WARNING: CPU: 0 PID: 284 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.423137][  T284] Modules linked in: netdevsim
| [   11.423725][  T284] Tainted: [W]=WARN
[   11.423881][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.424235][ T284] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.424500][ T284] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.425311][  T284] RSP: 0018:ffffc900006671e8 EFLAGS: 00010246
[   11.425574][  T284] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.425885][  T284] RDX: 0000000000000000 RSI: ffff88800af52c98 RDI: ffff888002102dc0
[   11.426274][  T284] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   11.426577][  T284] R10: ffffffff869ec1e7 R11: ffff888002102300 R12: 0000000000000000
[   11.426881][  T284] R13: ffff88800af52128 R14: ffff88800af52008 R15: ffff88800af52000
[   11.427252][  T284] FS:  00007f50e30aa800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   11.427611][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.427865][  T284] CR2: 00007f50e345a200 CR3: 0000000009ad6003 CR4: 0000000000772ef0
[   11.428181][  T284] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.428489][  T284] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.428817][  T284] PKRU: 55555554
[   11.428971][  T284] Call Trace:
[   11.429144][  T284]  <TASK>
[ 11.429257][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.429484][ T284] ? __warn (kernel/panic.c:748) 
[ 11.429654][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.429878][ T284] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.430116][ T284] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.430292][ T284] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.430513][ T284] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.430749][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.430974][ T284] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.431211][ T284] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.431492][ T284] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 11.431721][ T284] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.431961][ T284] register_netdevice (net/core/dev.c:11003) 
[ 11.432203][ T284] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.432446][ T284] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.432686][ T284] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.432967][ T284] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.433274][ T284] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.433560][ T284] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.433845][ T284] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.434136][ T284] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.434419][ T284] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 11.434641][ T284] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 11.434937][ T284] devlink_reload (net/devlink/dev.c:474) 
[ 11.435178][ T284] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.435401][ T284] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 11.435687][ T284] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.435914][ T284] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.436199][ T284] ? __nla_parse (lib/nlattr.c:732) 
[ 11.436441][ T284] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.436668][ T284] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.436954][ T284] ? cap_capable (security/commoncap.c:131) 
[ 11.437189][ T284] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.437422][ T284] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.437647][ T284] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.437870][ T284] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.438151][ T284] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.438425][ T284] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.438711][ T284] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.438936][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.439168][ T284] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.439393][ T284] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.439631][ T284] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.439794][ T284] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.440019][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.440260][ T284] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.440429][ T284] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.440653][ T284] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.440877][ T284] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.441117][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.441341][ T284] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.441556][ T284] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.441779][ T284] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.442022][ T284] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.442257][ T284] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.442491][ T284] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 11.442720][ T284] ? __sys_recvmsg (net/socket.c:2859) 
[ 11.442942][ T284] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 11.443189][ T284] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 11.443423][ T284] __x64_sys_sendto (net/socket.c:2181) 
[ 11.443649][ T284] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.443921][ T284] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.444159][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.444433][  T284] RIP: 0033:0x7f50e32b6a4a
[ 11.444662][ T284] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   11.445447][  T284] RSP: 002b:00007ffcfe6a7768 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.445780][  T284] RAX: ffffffffffffffda RBX: 000000003f92db00 RCX: 00007f50e32b6a4a
[   11.446121][  T284] RDX: 0000000000000038 RSI: 000000003f92db00 RDI: 0000000000000005
[   11.446452][  T284] RBP: 000000003f92d910 R08: 00007f50e345a200 R09: 000000000000000c
[   11.446785][  T284] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.447123][  T284] R13: 000000003f92d910 R14: 0000000000000000 R15: 0000000000000003
| [   12.028756][  T294] ------------[ cut here ]------------
| [ 12.029084][ T294] WARNING: CPU: 1 PID: 294 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   12.029474][  T294] Modules linked in: netdevsim
| [   12.030019][  T294] Tainted: [W]=WARN
[   12.030177][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.030413][ T294] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.030655][ T294] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   12.032236][  T294] RSP: 0018:ffffc900007971e8 EFLAGS: 00010246
[   12.032481][  T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.032762][  T294] RDX: 0000000000000000 RSI: ffff888009ae2c98 RDI: ffff88800a2ad080
[   12.033059][  T294] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   12.033350][  T294] R10: ffffffff869ec1e7 R11: ffff88800a2ac5c0 R12: 0000000000000000
[   12.033626][  T294] R13: ffff888009ae2128 R14: ffff888009ae2008 R15: ffff888009ae2000
[   12.033903][  T294] FS:  00007f4dc41ce800(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   12.034246][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.034482][  T294] CR2: 00007f32a50147d0 CR3: 000000000a4b0005 CR4: 0000000000772ef0
[   12.034762][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.035037][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.035327][  T294] PKRU: 55555554
[   12.035470][  T294] Call Trace:
[   12.035618][  T294]  <TASK>
[ 12.035715][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.035905][ T294] ? __warn (kernel/panic.c:748) 
[ 12.036053][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.036251][ T294] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.036447][ T294] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.036594][ T294] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.036786][ T294] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.036991][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.037192][ T294] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.037387][ T294] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.037623][ T294] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 12.037818][ T294] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.038011][ T294] register_netdevice (net/core/dev.c:11003) 
[ 12.038222][ T294] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.038422][ T294] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.038627][ T294] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.038873][ T294] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.039133][ T294] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.039380][ T294] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 12.039629][ T294] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 12.039867][ T294] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 12.040114][ T294] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 12.040302][ T294] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 12.040551][ T294] devlink_reload (net/devlink/dev.c:474) 
[ 12.040749][ T294] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 12.040946][ T294] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 12.041203][ T294] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 12.041394][ T294] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.041630][ T294] ? __nla_parse (lib/nlattr.c:732) 
[ 12.041837][ T294] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 12.042039][ T294] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 12.042296][ T294] ? cap_capable (security/commoncap.c:131) 
[ 12.042490][ T294] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 12.042687][ T294] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 12.042880][ T294] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 12.043079][ T294] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 12.043314][ T294] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 12.043548][ T294] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 12.043795][ T294] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 12.043986][ T294] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 12.044184][ T294] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 12.044379][ T294] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 12.044583][ T294] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 12.044727][ T294] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 12.044921][ T294] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 12.045126][ T294] genl_rcv (net/netlink/genetlink.c:1220) 
[ 12.045275][ T294] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 12.045468][ T294] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 12.045661][ T294] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 12.045859][ T294] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 12.046054][ T294] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 12.046252][ T294] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 12.046444][ T294] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 12.046647][ T294] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 12.046842][ T294] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 12.047043][ T294] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 12.047250][ T294] ? __sys_recvmsg (net/socket.c:2859) 
[ 12.047442][ T294] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 12.047641][ T294] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 12.047837][ T294] __x64_sys_sendto (net/socket.c:2181) 
[ 12.048027][ T294] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 12.048274][ T294] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.048467][ T294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.048712][  T294] RIP: 0033:0x7f4dc43daa4a
[ 12.048923][ T294] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   12.049633][  T294] RSP: 002b:00007ffc8e92c328 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   12.049941][  T294] RAX: ffffffffffffffda RBX: 000000002bf93b00 RCX: 00007f4dc43daa4a
[   12.050257][  T294] RDX: 0000000000000038 RSI: 000000002bf93b00 RDI: 0000000000000005
[   12.050562][  T294] RBP: 000000002bf93910 R08: 00007f4dc457e200 R09: 000000000000000c
[   12.050868][  T294] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   12.051183][  T294] R13: 000000002bf93910 R14: 0000000000000000 R15: 0000000000000003
| [   13.589612][  T339] ------------[ cut here ]------------
| [ 13.589886][ T339] WARNING: CPU: 0 PID: 339 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   13.590340][  T339] Modules linked in: netdevsim
| [   13.590954][  T339] Tainted: [W]=WARN
[   13.591144][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.591409][ T339] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.591674][ T339] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   13.592414][  T339] RSP: 0018:ffffc900004e71e8 EFLAGS: 00010246
[   13.592679][  T339] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.592982][  T339] RDX: 0000000000000000 RSI: ffff8880091fac98 RDI: ffff888005165080
[   13.593293][  T339] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   13.593599][  T339] R10: ffffffff869ec1e7 R11: ffff8880051645c0 R12: 0000000000000000
[   13.593918][  T339] R13: ffff8880091fa128 R14: ffff8880091fa008 R15: ffff8880091fa000
[   13.594234][  T339] FS:  00007f6f187da800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   13.594586][  T339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.594846][  T339] CR2: 00007f6f18b8a200 CR3: 000000000ae6c005 CR4: 0000000000772ef0
[   13.595158][  T339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.595462][  T339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.595765][  T339] PKRU: 55555554
[   13.595924][  T339] Call Trace:
[   13.596100][  T339]  <TASK>
[ 13.596209][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.596413][ T339] ? __warn (kernel/panic.c:748) 
[ 13.596575][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.596780][ T339] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.596991][ T339] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.597167][ T339] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.597374][ T339] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.597601][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.597817][ T339] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.598032][ T339] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.598302][ T339] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 13.598516][ T339] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.598728][ T339] register_netdevice (net/core/dev.c:11003) 
[ 13.598939][ T339] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.599163][ T339] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.599390][ T339] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.599658][ T339] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.599928][ T339] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.600213][ T339] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 13.600480][ T339] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 13.600745][ T339] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 13.601002][ T339] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 13.601217][ T339] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 13.601485][ T339] devlink_reload (net/devlink/dev.c:474) 
[ 13.601703][ T339] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 13.601917][ T339] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 13.602190][ T339] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 13.602403][ T339] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.602663][ T339] ? __nla_parse (lib/nlattr.c:732) 
[ 13.602879][ T339] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 13.603096][ T339] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 13.603360][ T339] ? cap_capable (security/commoncap.c:131) 
[ 13.603677][ T339] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 13.603892][ T339] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 13.604117][ T339] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 13.604325][ T339] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 13.604575][ T339] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 13.604831][ T339] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 13.605110][ T339] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 13.605320][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 13.605522][ T339] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 13.605728][ T339] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 13.605951][ T339] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 13.606116][ T339] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 13.606326][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 13.606538][ T339] genl_rcv (net/netlink/genetlink.c:1220) 
[ 13.606693][ T339] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 13.606900][ T339] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 13.607114][ T339] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.607327][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 13.607533][ T339] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 13.607736][ T339] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 13.607943][ T339] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 13.608178][ T339] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 13.608388][ T339] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 13.608607][ T339] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 13.608819][ T339] ? __sys_recvmsg (net/socket.c:2859) 
[ 13.609028][ T339] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 13.609256][ T339] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 13.609468][ T339] __x64_sys_sendto (net/socket.c:2181) 
[ 13.609674][ T339] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 13.609927][ T339] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.610140][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.610395][  T339] RIP: 0033:0x7f6f189e6a4a
[ 13.610604][ T339] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   13.611328][  T339] RSP: 002b:00007ffe950c7c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.611631][  T339] RAX: ffffffffffffffda RBX: 0000000000c34b00 RCX: 00007f6f189e6a4a
[   13.611941][  T339] RDX: 0000000000000038 RSI: 0000000000c34b00 RDI: 0000000000000005
[   13.612264][  T339] RBP: 0000000000c34910 R08: 00007f6f18b8a200 R09: 000000000000000c
[   13.612572][  T339] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   13.612872][  T339] R13: 0000000000c34910 R14: 0000000000000000 R15: 0000000000000003
| [   14.300202][  T350] ------------[ cut here ]------------
| [ 14.300557][ T350] WARNING: CPU: 2 PID: 350 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   14.300959][  T350] Modules linked in: netdevsim
| [   14.301717][  T350] Tainted: [W]=WARN
[   14.301965][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.302318][ T350] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.302657][ T350] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   14.303401][  T350] RSP: 0018:ffffc900004d71e8 EFLAGS: 00010246
[   14.303656][  T350] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   14.303946][  T350] RDX: 0000000000000000 RSI: ffff888002552c98 RDI: ffff888002102dc0
[   14.304269][  T350] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   14.304571][  T350] R10: ffffffff869ec1e7 R11: ffff888002102300 R12: 0000000000000000
[   14.304865][  T350] R13: ffff888002552128 R14: ffff888002552008 R15: ffff888002552000
[   14.305178][  T350] FS:  00007f80e4654800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   14.305519][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.305770][  T350] CR2: 00007f80e4a04200 CR3: 000000000b80c002 CR4: 0000000000772ef0
[   14.306076][  T350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.306378][  T350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.306670][  T350] PKRU: 55555554
[   14.306826][  T350] Call Trace:
[   14.306981][  T350]  <TASK>
[ 14.307105][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.307308][ T350] ? __warn (kernel/panic.c:748) 
[ 14.307474][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.307681][ T350] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 14.307893][ T350] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 14.308054][ T350] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 14.308289][ T350] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 14.308509][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 14.308716][ T350] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 14.308925][ T350] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 14.309200][ T350] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 14.309418][ T350] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 14.309624][ T350] register_netdevice (net/core/dev.c:11003) 
[ 14.309835][ T350] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 14.310048][ T350] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 14.310282][ T350] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 14.310540][ T350] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 14.310811][ T350] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 14.311082][ T350] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 14.311343][ T350] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 14.311592][ T350] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 14.311853][ T350] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 14.312096][ T350] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 14.312363][ T350] devlink_reload (net/devlink/dev.c:474) 
[ 14.312573][ T350] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 14.312780][ T350] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 14.313036][ T350] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 14.313260][ T350] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.313518][ T350] ? __nla_parse (lib/nlattr.c:732) 
[ 14.313731][ T350] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 14.313939][ T350] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 14.314232][ T350] ? cap_capable (security/commoncap.c:131) 
[ 14.314440][ T350] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 14.314650][ T350] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 14.314857][ T350] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 14.315078][ T350] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 14.315327][ T350] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 14.315574][ T350] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 14.315832][ T350] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 14.316036][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 14.316264][ T350] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 14.316473][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 14.316700][ T350] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 14.316858][ T350] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 14.317078][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 14.317294][ T350] genl_rcv (net/netlink/genetlink.c:1220) 
[ 14.317479][ T350] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 14.317690][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 14.317892][ T350] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 14.318121][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 14.318331][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 14.318533][ T350] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 14.318735][ T350] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 14.318949][ T350] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 14.319168][ T350] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 14.319368][ T350] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 14.319570][ T350] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 14.319787][ T350] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 14.319994][ T350] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 14.320269][ T350] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 14.320535][ T350] __x64_sys_sendto (net/socket.c:2181) 
[ 14.320736][ T350] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 14.320983][ T350] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 14.321203][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.321458][  T350] RIP: 0033:0x7f80e4860a4a
[ 14.321669][ T350] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   14.322355][  T350] RSP: 002b:00007ffcaaf3b7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.322655][  T350] RAX: ffffffffffffffda RBX: 000000002addcb00 RCX: 00007f80e4860a4a
[   14.322945][  T350] RDX: 0000000000000038 RSI: 000000002addcb00 RDI: 0000000000000005
[   14.323248][  T350] RBP: 000000002addc910 R08: 00007f80e4a04200 R09: 000000000000000c
[   14.323540][  T350] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   14.323841][  T350] R13: 000000002addc910 R14: 0000000000000000 R15: 0000000000000003
| [   16.192388][  T411] ------------[ cut here ]------------
| [ 16.192670][ T411] WARNING: CPU: 3 PID: 411 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   16.193180][  T411] Modules linked in: netdevsim
| [   16.193818][  T411] Tainted: [W]=WARN
[   16.193987][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.194278][ T411] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.194559][ T411] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   16.195338][  T411] RSP: 0018:ffffc90000bc71e8 EFLAGS: 00010246
[   16.195625][  T411] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.195958][  T411] RDX: 0000000000000000 RSI: ffff888009a42c98 RDI: ffff888009a72dc0
[   16.196306][  T411] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   16.196639][  T411] R10: ffffffff869ec1e7 R11: ffff888009a72300 R12: 0000000000000000
[   16.196968][  T411] R13: ffff888009a42128 R14: ffff888009a42008 R15: ffff888009a42000
[   16.197304][  T411] FS:  00007fceb5395800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   16.197687][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.197970][  T411] CR2: 00007fceb5745200 CR3: 000000000a6c4004 CR4: 0000000000772ef0
[   16.198315][  T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.198646][  T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.198975][  T411] PKRU: 55555554
[   16.199150][  T411] Call Trace:
[   16.199316][  T411]  <TASK>
[ 16.199432][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.199655][ T411] ? __warn (kernel/panic.c:748) 
[ 16.199824][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.200044][ T411] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.200299][ T411] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.200470][ T411] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.200693][ T411] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.200929][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.201463][ T411] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.201703][ T411] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.201994][ T411] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 16.202244][ T411] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.202471][ T411] register_netdevice (net/core/dev.c:11003) 
[ 16.202699][ T411] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.202931][ T411] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.203184][ T411] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.203470][ T411] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.203763][ T411] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.204051][ T411] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.204365][ T411] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.204648][ T411] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.204924][ T411] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.205164][ T411] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.205456][ T411] devlink_reload (net/devlink/dev.c:474) 
[ 16.205685][ T411] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.205914][ T411] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.206211][ T411] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.206439][ T411] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.206722][ T411] ? __nla_parse (lib/nlattr.c:732) 
[ 16.206962][ T411] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.207197][ T411] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.207485][ T411] ? cap_capable (security/commoncap.c:131) 
[ 16.207704][ T411] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.207937][ T411] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.208187][ T411] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.208410][ T411] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.208684][ T411] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.208960][ T411] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.209260][ T411] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.209482][ T411] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.209701][ T411] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.209922][ T411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.210173][ T411] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.210345][ T411] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.210572][ T411] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.210801][ T411] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.210966][ T411] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.211199][ T411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.211426][ T411] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.211652][ T411] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.211883][ T411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.212129][ T411] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.212354][ T411] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.212587][ T411] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.212813][ T411] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.213045][ T411] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.213292][ T411] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.213515][ T411] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.213747][ T411] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.213975][ T411] __x64_sys_sendto (net/socket.c:2181) 
[ 16.214211][ T411] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.214490][ T411] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.214712][ T411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.214989][  T411] RIP: 0033:0x7fceb55a1a4a
[ 16.215230][ T411] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   16.215995][  T411] RSP: 002b:00007ffd94355048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.216348][  T411] RAX: ffffffffffffffda RBX: 000000000a053b00 RCX: 00007fceb55a1a4a
[   16.216679][  T411] RDX: 0000000000000038 RSI: 000000000a053b00 RDI: 0000000000000005
[   16.217013][  T411] RBP: 000000000a053910 R08: 00007fceb5745200 R09: 000000000000000c
[   16.217352][  T411] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.217681][  T411] R13: 000000000a053910 R14: 0000000000000000 R15: 0000000000000003
| [   16.878969][  T423] ------------[ cut here ]------------
| [ 16.879287][ T423] WARNING: CPU: 3 PID: 423 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) 
| [   16.879704][  T423] Modules linked in: netdevsim
| [   16.880316][  T423] Tainted: [W]=WARN
[   16.880473][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.880729][ T423] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.880994][ T423] 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
[   16.881725][  T423] RSP: 0018:ffffc90000c671e8 EFLAGS: 00010246
[   16.881991][  T423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   16.882305][  T423] RDX: 0000000000000000 RSI: ffff8880056cac98 RDI: ffff88800a758b00
[   16.882610][  T423] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   16.882912][  T423] R10: ffffffff869ec1e7 R11: ffff88800a758040 R12: 0000000000000000
[   16.883232][  T423] R13: ffff8880056ca128 R14: ffff8880056ca008 R15: ffff8880056ca000
[   16.883533][  T423] FS:  00007fdc68495800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   16.883888][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.884154][  T423] CR2: 00007fdc68845200 CR3: 000000000bd62005 CR4: 0000000000772ef0
[   16.884461][  T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.884766][  T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.885085][  T423] PKRU: 55555554
[   16.885242][  T423] Call Trace:
[   16.885399][  T423]  <TASK>
[ 16.885506][ T423] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.885708][ T423] ? __warn (kernel/panic.c:748) 
[ 16.885870][ T423] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.886089][ T423] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 16.886304][ T423] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 16.886462][ T423] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 16.886666][ T423] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 16.886883][ T423] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 16.887095][ T423] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 16.887309][ T423] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 16.887572][ T423] ? _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) 
[ 16.887786][ T423] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 16.887996][ T423] register_netdevice (net/core/dev.c:11003) 
[ 16.888215][ T423] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 16.888433][ T423] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 16.888654][ T423] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 16.888919][ T423] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 16.889205][ T423] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 16.889469][ T423] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 16.889731][ T423] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 16.889991][ T423] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 16.890261][ T423] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 16.890464][ T423] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 16.890734][ T423] devlink_reload (net/devlink/dev.c:474) 
[ 16.890944][ T423] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 16.891159][ T423] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 16.891420][ T423] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 16.891631][ T423] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.891890][ T423] ? __nla_parse (lib/nlattr.c:732) 
[ 16.892117][ T423] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 16.892326][ T423] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 16.892592][ T423] ? cap_capable (security/commoncap.c:131) 
[ 16.892794][ T423] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 16.893008][ T423] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 16.893229][ T423] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 16.893431][ T423] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 16.893682][ T423] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 16.893931][ T423] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 16.894202][ T423] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 16.894409][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 16.894608][ T423] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 16.894816][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 16.895035][ T423] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 16.895200][ T423] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 16.895406][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 16.895618][ T423] genl_rcv (net/netlink/genetlink.c:1220) 
[ 16.895774][ T423] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 16.895983][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 16.896197][ T423] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 16.896409][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 16.896618][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 16.896817][ T423] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 16.897022][ T423] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 16.897247][ T423] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 16.897456][ T423] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 16.897665][ T423] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 16.897876][ T423] ? __sys_recvmsg (net/socket.c:2859) 
[ 16.898089][ T423] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 16.898302][ T423] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 16.898512][ T423] __x64_sys_sendto (net/socket.c:2181) 
[ 16.898715][ T423] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 16.899057][ T423] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 16.899280][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.899536][  T423] RIP: 0033:0x7fdc686a1a4a
[ 16.899745][ T423] 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
[   16.900453][  T423] RSP: 002b:00007ffc39f0b388 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   16.900755][  T423] RAX: ffffffffffffffda RBX: 000000002bddbb00 RCX: 00007fdc686a1a4a
[   16.901058][  T423] RDX: 0000000000000038 RSI: 000000002bddbb00 RDI: 0000000000000005
[   16.901371][  T423] RBP: 000000002bddb910 R08: 00007fdc68845200 R09: 000000000000000c
[   16.901668][  T423] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   16.901974][  T423] R13: 000000002bddb910 R14: 0000000000000000 R15: 0000000000000003
| [   17.975109][  T455] ------------[ cut here ]------------
| [ 17.975481][ T455] WARNING: CPU: 2 PID: 455 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) 
| [   17.975886][  T455] Modules linked in: netdevsim
| [   17.976482][  T455] Tainted: [W]=WARN
[   17.976642][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.976896][ T455] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.977170][ T455] 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
[   17.977839][  T455] RSP: 0018:ffffc90000db71e8 EFLAGS: 00010246
[   17.978101][  T455] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   17.978403][  T455] RDX: 0000000000000000 RSI: ffff88800af52c98 RDI: ffff888002102dc0
[   17.978694][  T455] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   17.978982][  T455] R10: ffffffff869ec1e7 R11: ffff888002102300 R12: 0000000000000000
[   17.979286][  T455] R13: ffff88800af52128 R14: ffff88800af52008 R15: ffff88800af52000
[   17.979579][  T455] FS:  00007f68b746d800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   17.979921][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.980189][  T455] CR2: 00007fafc914f000 CR3: 0000000009b80003 CR4: 0000000000772ef0
[   17.980482][  T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   17.980779][  T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   17.981084][  T455] PKRU: 55555554
[   17.981244][  T455] Call Trace:
[   17.981398][  T455]  <TASK>
[ 17.981513][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.981714][ T455] ? __warn (kernel/panic.c:748) 
[ 17.981887][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.982114][ T455] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 17.982332][ T455] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 17.982492][ T455] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 17.982692][ T455] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 17.982910][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 17.983131][ T455] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 17.983343][ T455] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 17.983599][ T455] ? _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) 
[ 17.983815][ T455] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 17.984020][ T455] register_netdevice (net/core/dev.c:11003) 
[ 17.984240][ T455] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 17.984452][ T455] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 17.984675][ T455] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 17.984930][ T455] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 17.985207][ T455] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 17.985473][ T455] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 17.985733][ T455] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 17.985984][ T455] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 17.986253][ T455] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 17.986476][ T455] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 17.986741][ T455] devlink_reload (net/devlink/dev.c:474) 
[ 17.986952][ T455] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 17.987178][ T455] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 17.987440][ T455] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 17.987652][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.987907][ T455] ? __nla_parse (lib/nlattr.c:732) 
[ 17.988134][ T455] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 17.988344][ T455] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 17.988604][ T455] ? cap_capable (security/commoncap.c:131) 
[ 17.988807][ T455] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 17.989017][ T455] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 17.989237][ T455] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 17.989444][ T455] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 17.989688][ T455] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 17.989934][ T455] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 17.990210][ T455] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 17.990415][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 17.990618][ T455] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 17.990823][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 17.991038][ T455] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 17.991213][ T455] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 17.991421][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 17.991641][ T455] genl_rcv (net/netlink/genetlink.c:1220) 
[ 17.991796][ T455] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 17.992024][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 17.992243][ T455] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 17.992458][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 17.992666][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 17.992871][ T455] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 17.993088][ T455] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 17.993303][ T455] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 17.993511][ T455] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 17.993723][ T455] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 17.993935][ T455] ? __sys_recvmsg (net/socket.c:2859) 
[ 17.994148][ T455] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 17.994363][ T455] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 17.994572][ T455] __x64_sys_sendto (net/socket.c:2181) 
[ 17.994776][ T455] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 17.995025][ T455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 17.995247][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.995490][  T455] RIP: 0033:0x7f68b7679a4a
[ 17.995706][ T455] 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
[   17.996389][  T455] RSP: 002b:00007ffc028cdda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   17.996689][  T455] RAX: ffffffffffffffda RBX: 0000000005ea8b00 RCX: 00007f68b7679a4a
[   17.996979][  T455] RDX: 0000000000000038 RSI: 0000000005ea8b00 RDI: 0000000000000005
[   17.997282][  T455] RBP: 0000000005ea8910 R08: 00007f68b781d200 R09: 000000000000000c
[   17.997603][  T455] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   17.997898][  T455] R13: 0000000005ea8910 R14: 0000000000000000 R15: 0000000000000003
| [   18.929733][  T471] ------------[ cut here ]------------
| [ 18.930189][ T471] WARNING: CPU: 0 PID: 471 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   18.930794][  T471] Modules linked in: netdevsim
| [   18.931699][  T471] Tainted: [W]=WARN
[   18.931952][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.932359][ T471] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.932754][ T471] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   18.933881][  T471] RSP: 0018:ffffc90000e371e8 EFLAGS: 00010246
[   18.934305][  T471] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   18.934766][  T471] RDX: 0000000000000000 RSI: ffff888009ae2c98 RDI: ffff88800521adc0
[   18.935256][  T471] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[   18.935733][  T471] R10: ffffffff869ec1e7 R11: ffff88800521a300 R12: 0000000000000000
[   18.936225][  T471] R13: ffff888009ae2128 R14: ffff888009ae2008 R15: ffff888009ae2000
[   18.936675][  T471] FS:  00007f30336df800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   18.937182][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.937580][  T471] CR2: 00007f32a4ff75a0 CR3: 0000000009b80003 CR4: 0000000000772ef0
[   18.938050][  T471] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.938486][  T471] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.938926][  T471] PKRU: 55555554
[   18.939190][  T471] Call Trace:
[   18.939438][  T471]  <TASK>
[ 18.939604][ T471] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.939926][ T471] ? __warn (kernel/panic.c:748) 
[ 18.940188][ T471] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.940445][ T471] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 18.940742][ T471] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 18.940985][ T471] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 18.941325][ T471] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 18.941677][ T471] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 18.941969][ T471] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 18.942324][ T471] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 18.942728][ T471] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 18.943045][ T471] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 18.943391][ T471] register_netdevice (net/core/dev.c:11003) 
[ 18.943727][ T471] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 18.944096][ T471] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 18.944453][ T471] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 18.944883][ T471] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 18.945354][ T471] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 18.945787][ T471] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 18.946235][ T471] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 18.946632][ T471] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 18.946969][ T471] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 18.947308][ T471] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 18.947693][ T471] devlink_reload (net/devlink/dev.c:474) 
[ 18.947998][ T471] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 18.948344][ T471] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 18.948773][ T471] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 18.949127][ T471] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.949528][ T471] ? __nla_parse (lib/nlattr.c:732) 
[ 18.949806][ T471] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 18.950127][ T471] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 18.950555][ T471] ? cap_capable (security/commoncap.c:131) 
[ 18.950873][ T471] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 18.951222][ T471] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 18.951554][ T471] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 18.951885][ T471] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 18.952298][ T471] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 18.952708][ T471] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 18.953164][ T471] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 18.953487][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 18.953802][ T471] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 18.954152][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 18.954500][ T471] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 18.954747][ T471] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 18.955097][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 18.955442][ T471] genl_rcv (net/netlink/genetlink.c:1220) 
[ 18.955682][ T471] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 18.956011][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 18.956356][ T471] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 18.956697][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 18.957026][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 18.957362][ T471] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 18.957692][ T471] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 18.958034][ T471] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 18.958378][ T471] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 18.958714][ T471] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 18.959044][ T471] ? __sys_recvmsg (net/socket.c:2859) 
[ 18.959383][ T471] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 18.959723][ T471] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 18.960051][ T471] __x64_sys_sendto (net/socket.c:2181) 
[ 18.960403][ T471] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 18.960823][ T471] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 18.961170][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.961564][  T471] RIP: 0033:0x7f30338eba4a
[ 18.961898][ T471] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   18.963028][  T471] RSP: 002b:00007fff92ea7008 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   18.963525][  T471] RAX: ffffffffffffffda RBX: 000000000c8dcb00 RCX: 00007f30338eba4a
[   18.963980][  T471] RDX: 0000000000000038 RSI: 000000000c8dcb00 RDI: 0000000000000005
[   18.964476][  T471] RBP: 000000000c8dc910 R08: 00007f3033a8f200 R09: 000000000000000c
[   18.964959][  T471] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   18.965450][  T471] R13: 000000000c8dc910 R14: 0000000000000000 R15: 0000000000000003
| [  290.478358][  T983] ------------[ cut here ]------------
| [ 290.478630][ T983] WARNING: CPU: 0 PID: 983 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) 
| [  290.479055][  T983] Modules linked in: netdevsim
| [  290.479743][  T983] Tainted: [W]=WARN
[  290.479901][  T983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 290.480227][ T983] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.480514][ T983] 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
[  290.481274][  T983] RSP: 0018:ffffc90001db71e8 EFLAGS: 00010246
[  290.481537][  T983] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  290.481847][  T983] RDX: 0000000000000000 RSI: ffff8880091fac98 RDI: ffff888002672dc0
[  290.482164][  T983] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  290.482479][  T983] R10: ffffffff869ec1e7 R11: ffff888002672300 R12: 0000000000000000
[  290.482781][  T983] R13: ffff8880091fa128 R14: ffff8880091fa008 R15: ffff8880091fa000
[  290.483103][  T983] FS:  00007f9d3a7a6800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  290.483458][  T983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  290.483717][  T983] CR2: 00007f9d3ab56200 CR3: 000000000da0c003 CR4: 0000000000772ef0
[  290.484025][  T983] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  290.484344][  T983] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  290.484645][  T983] PKRU: 55555554
[  290.484798][  T983] Call Trace:
[  290.484956][  T983]  <TASK>
[ 290.485075][ T983] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.485285][ T983] ? __warn (kernel/panic.c:748) 
[ 290.485446][ T983] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.485653][ T983] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 290.485873][ T983] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 290.486034][ T983] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 290.486251][ T983] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 290.486472][ T983] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 290.486681][ T983] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 290.486893][ T983] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 290.487168][ T983] ? _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) 
[ 290.487386][ T983] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 290.487597][ T983] register_netdevice (net/core/dev.c:11003) 
[ 290.487813][ T983] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 290.488029][ T983] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 290.488266][ T983] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 290.488533][ T983] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 290.488813][ T983] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 290.489095][ T983] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 290.489368][ T983] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 290.489635][ T983] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 290.489899][ T983] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 290.490117][ T983] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 290.490410][ T983] devlink_reload (net/devlink/dev.c:474) 
[ 290.490629][ T983] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 290.490843][ T983] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 290.491123][ T983] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 290.491342][ T983] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 290.491604][ T983] ? __nla_parse (lib/nlattr.c:732) 
[ 290.491828][ T983] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 290.492043][ T983] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 290.492326][ T983] ? cap_capable (security/commoncap.c:131) 
[ 290.492539][ T983] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 290.492762][ T983] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 290.492979][ T983] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 290.493204][ T983] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 290.493467][ T983] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 290.493724][ T983] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 290.493996][ T983] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 290.494219][ T983] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 290.494430][ T983] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 290.494642][ T983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 290.494869][ T983] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 290.495032][ T983] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 290.495251][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 290.495477][ T983] genl_rcv (net/netlink/genetlink.c:1220) 
[ 290.495640][ T983] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 290.495855][ T983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 290.496076][ T983] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 290.496294][ T983] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 290.496514][ T983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 290.496727][ T983] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 290.496938][ T983] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 290.497168][ T983] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 290.497390][ T983] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 290.497607][ T983] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 290.497821][ T983] ? __sys_recvmsg (net/socket.c:2859) 
[ 290.498034][ T983] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 290.498269][ T983] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 290.498487][ T983] __x64_sys_sendto (net/socket.c:2181) 
[ 290.498700][ T983] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 290.498961][ T983] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 290.499187][ T983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  290.499449][  T983] RIP: 0033:0x7f9d3a9b2a4a
[ 290.499673][ T983] 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
[  290.500420][  T983] RSP: 002b:00007fffd0b171b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  290.500739][  T983] RAX: ffffffffffffffda RBX: 0000000011e4eb00 RCX: 00007f9d3a9b2a4a
[  290.501052][  T983] RDX: 0000000000000038 RSI: 0000000011e4eb00 RDI: 0000000000000005
[  290.501370][  T983] RBP: 0000000011e4e910 R08: 00007f9d3ab56200 R09: 000000000000000c
[  290.501681][  T983] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  290.501993][  T983] R13: 0000000011e4e910 R14: 0000000000000000 R15: 0000000000000003
| [  291.180881][  T997] ------------[ cut here ]------------
| [ 291.181142][ T997] WARNING: CPU: 0 PID: 997 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) 
| [  291.181524][  T997] Modules linked in: netdevsim
| [  291.182083][  T997] Tainted: [W]=WARN
[  291.182228][  T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 291.182460][ T997] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.182701][ T997] 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
[  291.183436][  T997] RSP: 0018:ffffc90001e471e8 EFLAGS: 00010246
[  291.183675][  T997] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  291.183954][  T997] RDX: 0000000000000000 RSI: ffff888002552c98 RDI: ffff8880098fd080
[  291.184244][  T997] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  291.184524][  T997] R10: ffffffff869ec1e7 R11: ffff8880098fc5c0 R12: 0000000000000000
[  291.184799][  T997] R13: ffff888002552128 R14: ffff888002552008 R15: ffff888002552000
[  291.185092][  T997] FS:  00007f92bc616800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  291.185415][  T997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  291.185651][  T997] CR2: 00007f92bc9c6200 CR3: 000000000211c006 CR4: 0000000000772ef0
[  291.185931][  T997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  291.186232][  T997] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  291.186509][  T997] PKRU: 55555554
[  291.186651][  T997] Call Trace:
[  291.186792][  T997]  <TASK>
[ 291.186893][ T997] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.187092][ T997] ? __warn (kernel/panic.c:748) 
[ 291.187240][ T997] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.187428][ T997] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 291.187623][ T997] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 291.187767][ T997] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 291.187956][ T997] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 291.188172][ T997] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 291.188365][ T997] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 291.188556][ T997] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 291.188795][ T997] ? _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) 
[ 291.188988][ T997] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 291.189189][ T997] register_netdevice (net/core/dev.c:11003) 
[ 291.189383][ T997] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 291.189585][ T997] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 291.189790][ T997] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 291.190034][ T997] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 291.190311][ T997] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 291.190571][ T997] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 291.190816][ T997] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 291.191059][ T997] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 291.191307][ T997] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 291.191495][ T997] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 291.191794][ T997] devlink_reload (net/devlink/dev.c:474) 
[ 291.192004][ T997] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 291.192225][ T997] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 291.192500][ T997] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 291.192711][ T997] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 291.192947][ T997] ? __nla_parse (lib/nlattr.c:732) 
[ 291.193157][ T997] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 291.193348][ T997] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 291.193598][ T997] ? cap_capable (security/commoncap.c:131) 
[ 291.193793][ T997] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 291.193990][ T997] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 291.194205][ T997] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 291.194410][ T997] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 291.194657][ T997] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 291.194890][ T997] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 291.195193][ T997] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 291.195402][ T997] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 291.195606][ T997] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 291.195813][ T997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 291.196032][ T997] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 291.196197][ T997] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 291.196403][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 291.196614][ T997] genl_rcv (net/netlink/genetlink.c:1220) 
[ 291.196771][ T997] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 291.196980][ T997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 291.197196][ T997] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 291.197408][ T997] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 291.197621][ T997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 291.197825][ T997] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 291.198032][ T997] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 291.198284][ T997] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 291.198509][ T997] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 291.198726][ T997] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 291.198940][ T997] ? __sys_recvmsg (net/socket.c:2859) 
[ 291.199155][ T997] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 291.199370][ T997] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 291.199583][ T997] __x64_sys_sendto (net/socket.c:2181) 
[ 291.199790][ T997] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 291.200053][ T997] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 291.200275][ T997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  291.200535][  T997] RIP: 0033:0x7f92bc822a4a
[ 291.200748][ T997] 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
[  291.201463][  T997] RSP: 002b:00007fff5dc26f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  291.201778][  T997] RAX: ffffffffffffffda RBX: 000000002d788b00 RCX: 00007f92bc822a4a
[  291.202098][  T997] RDX: 0000000000000038 RSI: 000000002d788b00 RDI: 0000000000000005
[  291.202404][  T997] RBP: 000000002d788910 R08: 00007f92bc9c6200 R09: 000000000000000c
[  291.202703][  T997] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  291.203007][  T997] R13: 000000002d788910 R14: 0000000000000000 R15: 0000000000000003
| [  292.260905][ T1028] ------------[ cut here ]------------
| [ 292.261220][ T1028] WARNING: CPU: 3 PID: 1028 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  292.261609][ T1028] Modules linked in: netdevsim
| [  292.262155][ T1028] Tainted: [W]=WARN
[  292.262311][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 292.262544][ T1028] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.262789][ T1028] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  292.263457][ T1028] RSP: 0018:ffffc90001f671e8 EFLAGS: 00010246
[  292.263706][ T1028] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  292.263987][ T1028] RDX: 0000000000000000 RSI: ffff888009a42c98 RDI: ffff88800d9eadc0
[  292.264279][ T1028] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  292.264562][ T1028] R10: ffffffff869ec1e7 R11: ffff88800d9ea300 R12: 0000000000000000
[  292.264846][ T1028] R13: ffff888009a42128 R14: ffff888009a42008 R15: ffff888009a42000
[  292.265162][ T1028] FS:  00007fe8253a9800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  292.265491][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  292.265729][ T1028] CR2: 000055aafc0b0dec CR3: 000000000da0c004 CR4: 0000000000772ef0
[  292.266015][ T1028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  292.266305][ T1028] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  292.266586][ T1028] PKRU: 55555554
[  292.266729][ T1028] Call Trace:
[  292.266874][ T1028]  <TASK>
[ 292.266974][ T1028] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.267179][ T1028] ? __warn (kernel/panic.c:748) 
[ 292.267332][ T1028] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.267521][ T1028] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 292.267722][ T1028] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 292.267872][ T1028] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 292.268071][ T1028] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 292.268279][ T1028] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 292.268474][ T1028] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 292.268672][ T1028] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 292.268913][ T1028] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 292.269140][ T1028] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 292.269344][ T1028] register_netdevice (net/core/dev.c:11003) 
[ 292.269542][ T1028] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 292.269743][ T1028] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 292.269950][ T1028] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 292.270210][ T1028] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 292.270474][ T1028] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 292.270726][ T1028] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 292.270975][ T1028] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 292.271222][ T1028] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 292.271462][ T1028] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 292.271653][ T1028] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 292.271903][ T1028] devlink_reload (net/devlink/dev.c:474) 
[ 292.272110][ T1028] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 292.272306][ T1028] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 292.272546][ T1028] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 292.272742][ T1028] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.272987][ T1028] ? __nla_parse (lib/nlattr.c:732) 
[ 292.273227][ T1028] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 292.273425][ T1028] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 292.273678][ T1028] ? cap_capable (security/commoncap.c:131) 
[ 292.273869][ T1028] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 292.274076][ T1028] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 292.274269][ T1028] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 292.274460][ T1028] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 292.274694][ T1028] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 292.274928][ T1028] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 292.275185][ T1028] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 292.275378][ T1028] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 292.275565][ T1028] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 292.275757][ T1028] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 292.275960][ T1028] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 292.276115][ T1028] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 292.276307][ T1028] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 292.276506][ T1028] genl_rcv (net/netlink/genetlink.c:1220) 
[ 292.276649][ T1028] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 292.276844][ T1028] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 292.277042][ T1028] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 292.277280][ T1028] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 292.277476][ T1028] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 292.277663][ T1028] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 292.277857][ T1028] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 292.278074][ T1028] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 292.278272][ T1028] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 292.278461][ T1028] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 292.278649][ T1028] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 292.278853][ T1028] ? __sys_recvmsg (net/socket.c:2859) 
[ 292.279041][ T1028] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 292.279254][ T1028] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 292.279456][ T1028] __x64_sys_sendto (net/socket.c:2181) 
[ 292.279643][ T1028] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 292.279877][ T1028] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 292.280082][ T1028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  292.280322][ T1028] RIP: 0033:0x7fe8255b5a4a
[ 292.280527][ T1028] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  292.281231][ T1028] RSP: 002b:00007ffc0f65b828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.281514][ T1028] RAX: ffffffffffffffda RBX: 000000002787fb00 RCX: 00007fe8255b5a4a
[  292.281796][ T1028] RDX: 0000000000000038 RSI: 000000002787fb00 RDI: 0000000000000005
[  292.282089][ T1028] RBP: 000000002787f910 R08: 00007fe825759200 R09: 000000000000000c
[  292.282370][ T1028] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  292.282645][ T1028] R13: 000000002787f910 R14: 0000000000000000 R15: 0000000000000003
| [  293.215659][ T1046] ------------[ cut here ]------------
| [ 293.215970][ T1046] WARNING: CPU: 0 PID: 1046 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  293.216408][ T1046] Modules linked in: netdevsim
| [  293.216972][ T1046] Tainted: [W]=WARN
[  293.217139][ T1046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 293.217388][ T1046] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.217650][ T1046] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  293.218366][ T1046] RSP: 0018:ffffc90001ff71e8 EFLAGS: 00010246
[  293.218622][ T1046] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  293.218912][ T1046] RDX: 0000000000000000 RSI: ffff8880056cac98 RDI: ffff8880098f8b00
[  293.219213][ T1046] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  293.219501][ T1046] R10: ffffffff869ec1e7 R11: ffff8880098f8040 R12: 0000000000000000
[  293.219784][ T1046] R13: ffff8880056ca128 R14: ffff8880056ca008 R15: ffff8880056ca000
[  293.220091][ T1046] FS:  00007fcd376ae800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  293.220452][ T1046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  293.220708][ T1046] CR2: 00007fcd37a5e200 CR3: 000000000211e004 CR4: 0000000000772ef0
[  293.221010][ T1046] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  293.221329][ T1046] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  293.221646][ T1046] PKRU: 55555554
[  293.221804][ T1046] Call Trace:
[  293.221950][ T1046]  <TASK>
[ 293.222053][ T1046] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.222266][ T1046] ? __warn (kernel/panic.c:748) 
[ 293.222418][ T1046] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.222614][ T1046] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 293.222821][ T1046] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 293.222973][ T1046] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 293.223186][ T1046] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 293.223396][ T1046] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 293.223594][ T1046] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 293.223793][ T1046] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 293.224038][ T1046] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 293.224255][ T1046] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 293.224455][ T1046] register_netdevice (net/core/dev.c:11003) 
[ 293.224674][ T1046] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 293.224884][ T1046] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 293.225140][ T1046] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 293.225411][ T1046] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 293.225685][ T1046] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 293.225956][ T1046] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 293.226243][ T1046] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 293.226498][ T1046] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 293.226754][ T1046] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 293.226974][ T1046] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 293.227263][ T1046] devlink_reload (net/devlink/dev.c:474) 
[ 293.227480][ T1046] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 293.227689][ T1046] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 293.227954][ T1046] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 293.228185][ T1046] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 293.228437][ T1046] ? __nla_parse (lib/nlattr.c:732) 
[ 293.228659][ T1046] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 293.228860][ T1046] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 293.229158][ T1046] ? cap_capable (security/commoncap.c:131) 
[ 293.229361][ T1046] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 293.229571][ T1046] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 293.229777][ T1046] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 293.229978][ T1046] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 293.230244][ T1046] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 293.230522][ T1046] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 293.230787][ T1046] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 293.230997][ T1046] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 293.231220][ T1046] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 293.231429][ T1046] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 293.231658][ T1046] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 293.231819][ T1046] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 293.232024][ T1046] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 293.232244][ T1046] genl_rcv (net/netlink/genetlink.c:1220) 
[ 293.232398][ T1046] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 293.232609][ T1046] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 293.232814][ T1046] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 293.233022][ T1046] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 293.233243][ T1046] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 293.233456][ T1046] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 293.233659][ T1046] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 293.233875][ T1046] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 293.234084][ T1046] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 293.234310][ T1046] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 293.234517][ T1046] ? __sys_recvmsg (net/socket.c:2859) 
[ 293.234716][ T1046] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 293.234925][ T1046] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 293.235151][ T1046] __x64_sys_sendto (net/socket.c:2181) 
[ 293.235354][ T1046] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 293.235607][ T1046] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 293.235806][ T1046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  293.236043][ T1046] RIP: 0033:0x7fcd378baa4a
[ 293.236257][ T1046] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  293.236930][ T1046] RSP: 002b:00007fff3a963a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  293.237236][ T1046] RAX: ffffffffffffffda RBX: 000000003c966b00 RCX: 00007fcd378baa4a
[  293.237523][ T1046] RDX: 0000000000000038 RSI: 000000003c966b00 RDI: 0000000000000005
[  293.237816][ T1046] RBP: 000000003c966910 R08: 00007fcd37a5e200 R09: 000000000000000c
[  293.238131][ T1046] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  293.238428][ T1046] R13: 000000003c966910 R14: 0000000000000000 R15: 0000000000000003
| [  296.879900][ T1138] ------------[ cut here ]------------
| [ 296.880240][ T1138] WARNING: CPU: 2 PID: 1138 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) 
| [  296.880700][ T1138] Modules linked in: netdevsim
| [  296.881334][ T1138] Tainted: [W]=WARN
[  296.881515][ T1138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 296.881793][ T1138] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.882074][ T1138] 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
[  296.882768][ T1138] RSP: 0018:ffffc900023171e8 EFLAGS: 00010246
[  296.883038][ T1138] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  296.883360][ T1138] RDX: 0000000000000000 RSI: ffff88800af52c98 RDI: ffff8880024b8b00
[  296.883678][ T1138] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  296.883992][ T1138] R10: ffffffff869ec1e7 R11: ffff8880024b8040 R12: 0000000000000000
[  296.884370][ T1138] R13: ffff88800af52128 R14: ffff88800af52008 R15: ffff88800af52000
[  296.884678][ T1138] FS:  00007f68a6b25800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  296.885051][ T1138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  296.885326][ T1138] CR2: 00007f68a6ed5200 CR3: 000000000a346004 CR4: 0000000000772ef0
[  296.885635][ T1138] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  296.885940][ T1138] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  296.886272][ T1138] PKRU: 55555554
[  296.886448][ T1138] Call Trace:
[  296.886623][ T1138]  <TASK>
[ 296.886747][ T1138] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.886977][ T1138] ? __warn (kernel/panic.c:748) 
[ 296.887185][ T1138] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.887400][ T1138] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 296.887632][ T1138] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 296.887812][ T1138] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 296.888022][ T1138] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 296.888263][ T1138] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 296.888474][ T1138] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 296.888699][ T1138] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 296.888975][ T1138] ? _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) 
[ 296.889204][ T1138] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 296.889447][ T1138] register_netdevice (net/core/dev.c:11003) 
[ 296.889678][ T1138] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 296.889912][ T1138] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 296.890164][ T1138] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 296.890459][ T1138] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 296.890730][ T1138] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 296.891004][ T1138] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 296.891316][ T1138] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 296.891596][ T1138] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 296.891880][ T1138] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 296.892108][ T1138] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 296.892387][ T1138] devlink_reload (net/devlink/dev.c:474) 
[ 296.892616][ T1138] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 296.892844][ T1138] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 296.893121][ T1138] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 296.893359][ T1138] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 296.893624][ T1138] ? __nla_parse (lib/nlattr.c:732) 
[ 296.893855][ T1138] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 296.894098][ T1138] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 296.894374][ T1138] ? cap_capable (security/commoncap.c:131) 
[ 296.894602][ T1138] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 296.894825][ T1138] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 296.895040][ T1138] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 296.895290][ T1138] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 296.895551][ T1138] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 296.895826][ T1138] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 296.896126][ T1138] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 296.896350][ T1138] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 296.896565][ T1138] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 296.896782][ T1138] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 296.897022][ T1138] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 296.897207][ T1138] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 296.897440][ T1138] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 296.897665][ T1138] genl_rcv (net/netlink/genetlink.c:1220) 
[ 296.897835][ T1138] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 296.898076][ T1138] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 296.898307][ T1138] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 296.898531][ T1138] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 296.898760][ T1138] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 296.898982][ T1138] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 296.899227][ T1138] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 296.899449][ T1138] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 296.899670][ T1138] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 296.899890][ T1138] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 296.900140][ T1138] ? __sys_recvmsg (net/socket.c:2859) 
[ 296.900362][ T1138] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 296.900590][ T1138] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 296.900813][ T1138] __x64_sys_sendto (net/socket.c:2181) 
[ 296.901025][ T1138] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 296.901295][ T1138] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 296.901513][ T1138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  296.901771][ T1138] RIP: 0033:0x7f68a6d31a4a
[ 296.901988][ T1138] 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
[  296.902706][ T1138] RSP: 002b:00007ffd950993b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  296.903019][ T1138] RAX: ffffffffffffffda RBX: 0000000020ab2b00 RCX: 00007f68a6d31a4a
[  296.903329][ T1138] RDX: 0000000000000038 RSI: 0000000020ab2b00 RDI: 0000000000000005
[  296.903632][ T1138] RBP: 0000000020ab2910 R08: 00007f68a6ed5200 R09: 000000000000000c
[  296.903933][ T1138] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  296.904241][ T1138] R13: 0000000020ab2910 R14: 0000000000000000 R15: 0000000000000003
| [  297.735376][ T1152] ------------[ cut here ]------------
| [ 297.735767][ T1152] WARNING: CPU: 2 PID: 1152 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) 
| [  297.736203][ T1152] Modules linked in: netdevsim
| [  297.736760][ T1152] Tainted: [W]=WARN
[  297.736920][ T1152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 297.737220][ T1152] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.737481][ T1152] 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
[  297.738172][ T1152] RSP: 0018:ffffc900023871e8 EFLAGS: 00010246
[  297.738426][ T1152] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  297.738724][ T1152] RDX: 0000000000000000 RSI: ffff888009ae2c98 RDI: ffff8880098f8b00
[  297.739016][ T1152] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  297.739338][ T1152] R10: ffffffff869ec1e7 R11: ffff8880098f8040 R12: 0000000000000000
[  297.739634][ T1152] R13: ffff888009ae2128 R14: ffff888009ae2008 R15: ffff888009ae2000
[  297.739930][ T1152] FS:  00007f9ec4c2d800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  297.740297][ T1152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  297.740562][ T1152] CR2: 00007f9ec4fdd200 CR3: 000000000dafe006 CR4: 0000000000772ef0
[  297.740856][ T1152] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  297.741184][ T1152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  297.741478][ T1152] PKRU: 55555554
[  297.741634][ T1152] Call Trace:
[  297.741793][ T1152]  <TASK>
[ 297.741906][ T1152] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.742141][ T1152] ? __warn (kernel/panic.c:748) 
[ 297.742306][ T1152] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.742516][ T1152] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 297.742728][ T1152] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 297.742887][ T1152] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 297.743116][ T1152] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 297.743337][ T1152] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 297.743541][ T1152] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 297.743748][ T1152] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 297.744000][ T1152] ? _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) 
[ 297.744268][ T1152] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 297.744478][ T1152] register_netdevice (net/core/dev.c:11003) 
[ 297.744685][ T1152] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 297.744898][ T1152] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 297.745233][ T1152] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 297.745669][ T1152] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 297.745944][ T1152] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 297.746233][ T1152] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 297.746506][ T1152] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 297.746760][ T1152] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 297.747012][ T1152] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 297.747247][ T1152] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 297.747510][ T1152] devlink_reload (net/devlink/dev.c:474) 
[ 297.747720][ T1152] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 297.747927][ T1152] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 297.748231][ T1152] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 297.748439][ T1152] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.748693][ T1152] ? __nla_parse (lib/nlattr.c:732) 
[ 297.748914][ T1152] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 297.749151][ T1152] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 297.749414][ T1152] ? cap_capable (security/commoncap.c:131) 
[ 297.749619][ T1152] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 297.749832][ T1152] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 297.750038][ T1152] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 297.750266][ T1152] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 297.750533][ T1152] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 297.750784][ T1152] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 297.751042][ T1152] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 297.751274][ T1152] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 297.751485][ T1152] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 297.751694][ T1152] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 297.751917][ T1152] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 297.752117][ T1152] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 297.752330][ T1152] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 297.752543][ T1152] genl_rcv (net/netlink/genetlink.c:1220) 
[ 297.752701][ T1152] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 297.752908][ T1152] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 297.753136][ T1152] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 297.753353][ T1152] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 297.753567][ T1152] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 297.753765][ T1152] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 297.753970][ T1152] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 297.754210][ T1152] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 297.754420][ T1152] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 297.754631][ T1152] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 297.754843][ T1152] ? __sys_recvmsg (net/socket.c:2859) 
[ 297.755044][ T1152] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 297.755293][ T1152] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 297.755502][ T1152] __x64_sys_sendto (net/socket.c:2181) 
[ 297.755710][ T1152] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 297.755957][ T1152] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 297.756206][ T1152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  297.756469][ T1152] RIP: 0033:0x7f9ec4e39a4a
[ 297.756683][ T1152] 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
[  297.757386][ T1152] RSP: 002b:00007ffd55a3aa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  297.757689][ T1152] RAX: ffffffffffffffda RBX: 00000000361f9b00 RCX: 00007f9ec4e39a4a
[  297.757983][ T1152] RDX: 0000000000000038 RSI: 00000000361f9b00 RDI: 0000000000000005
[  297.758304][ T1152] RBP: 00000000361f9910 R08: 00007f9ec4fdd200 R09: 000000000000000c
[  297.758596][ T1152] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  297.758889][ T1152] R13: 00000000361f9910 R14: 0000000000000000 R15: 0000000000000003
| [  300.307822][ T1217] ------------[ cut here ]------------
| [ 300.308124][ T1217] WARNING: CPU: 0 PID: 1217 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [  300.308574][ T1217] Modules linked in: netdevsim
| [  300.309203][ T1217] Tainted: [W]=WARN
[  300.309363][ T1217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 300.309629][ T1217] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.309901][ T1217] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  300.310694][ T1217] RSP: 0018:ffffc900026071e8 EFLAGS: 00010246
[  300.310982][ T1217] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  300.311314][ T1217] RDX: 0000000000000000 RSI: ffff8880091fac98 RDI: ffff88800d9fd080
[  300.311637][ T1217] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  300.311963][ T1217] R10: ffffffff869ec1e7 R11: ffff88800d9fc5c0 R12: 0000000000000000
[  300.312357][ T1217] R13: ffff8880091fa128 R14: ffff8880091fa008 R15: ffff8880091fa000
[  300.312681][ T1217] FS:  00007f96797b7800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  300.313090][ T1217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  300.313351][ T1217] CR2: 00007f9679b67200 CR3: 00000000025e8002 CR4: 0000000000772ef0
[  300.313668][ T1217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  300.313985][ T1217] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  300.314302][ T1217] PKRU: 55555554
[  300.314462][ T1217] Call Trace:
[  300.314630][ T1217]  <TASK>
[ 300.314742][ T1217] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.314956][ T1217] ? __warn (kernel/panic.c:748) 
[ 300.315140][ T1217] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.315357][ T1217] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 300.315590][ T1217] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 300.315754][ T1217] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 300.315981][ T1217] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 300.316221][ T1217] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 300.316450][ T1217] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 300.316675][ T1217] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 300.316945][ T1217] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 300.317202][ T1217] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 300.317427][ T1217] register_netdevice (net/core/dev.c:11003) 
[ 300.317649][ T1217] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 300.317881][ T1217] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 300.318121][ T1217] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 300.318389][ T1217] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 300.318661][ T1217] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 300.318927][ T1217] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 300.319211][ T1217] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 300.319471][ T1217] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 300.319730][ T1217] ? devl_region_destroy (net/devlink/region.c:1178) 
[ 300.319939][ T1217] ? nsim_dev_reload_down (drivers/net/netdevsim/dev.c:969) netdevsim 
[ 300.320215][ T1217] devlink_reload (net/devlink/dev.c:474) 
[ 300.320447][ T1217] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 300.320658][ T1217] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 300.320918][ T1217] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 300.321142][ T1217] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.321411][ T1217] ? __nla_parse (lib/nlattr.c:732) 
[ 300.321628][ T1217] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 300.321835][ T1217] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 300.322113][ T1217] ? cap_capable (security/commoncap.c:131) 
[ 300.322320][ T1217] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 300.322536][ T1217] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 300.322744][ T1217] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 300.322955][ T1217] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 300.323214][ T1217] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 300.323476][ T1217] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 300.323740][ T1217] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 300.323945][ T1217] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 300.324155][ T1217] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 300.324363][ T1217] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 300.324582][ T1217] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 300.324737][ T1217] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 300.324943][ T1217] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 300.325174][ T1217] genl_rcv (net/netlink/genetlink.c:1220) 
[ 300.325330][ T1217] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 300.325539][ T1217] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 300.325748][ T1217] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 300.325961][ T1217] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 300.326181][ T1217] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 300.326381][ T1217] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 300.326585][ T1217] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 300.326801][ T1217] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 300.327009][ T1217] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 300.327235][ T1217] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 300.327445][ T1217] ? __sys_recvmsg (net/socket.c:2859) 
[ 300.327651][ T1217] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 300.327863][ T1217] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 300.328091][ T1217] __x64_sys_sendto (net/socket.c:2181) 
[ 300.328308][ T1217] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 300.328561][ T1217] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 300.328771][ T1217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  300.329030][ T1217] RIP: 0033:0x7f96799c3a4a
[ 300.329260][ T1217] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  300.329965][ T1217] RSP: 002b:00007ffd1b33cb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  300.330307][ T1217] RAX: ffffffffffffffda RBX: 000000000c203b00 RCX: 00007f96799c3a4a
[  300.330625][ T1217] RDX: 0000000000000038 RSI: 000000000c203b00 RDI: 0000000000000005
[  300.330926][ T1217] RBP: 000000000c203910 R08: 00007f9679b67200 R09: 000000000000000c
[  300.331241][ T1217] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  300.331553][ T1217] R13: 000000000c203910 R14: 0000000000000000 R15: 0000000000000003
| [  301.597721][ T1247] ------------[ cut here ]------------
| [ 301.597997][ T1247] WARNING: CPU: 0 PID: 1247 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) 
| [  301.598449][ T1247] Modules linked in: netdevsim
| [  301.599044][ T1247] Tainted: [W]=WARN
[  301.599229][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 301.599492][ T1247] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.599768][ T1247] 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
[  301.600519][ T1247] RSP: 0018:ffffc900027071e8 EFLAGS: 00010246
[  301.600785][ T1247] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  301.601112][ T1247] RDX: 0000000000000000 RSI: ffff888002552c98 RDI: ffff888006042dc0
[  301.601428][ T1247] RBP: ffff88800bcf0040 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  301.601750][ T1247] R10: ffffffff869ec1e7 R11: ffff888006042300 R12: 0000000000000000
[  301.602058][ T1247] R13: ffff888002552128 R14: ffff888002552008 R15: ffff888002552000
[  301.602386][ T1247] FS:  00007f68dc8b3800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  301.602745][ T1247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  301.603022][ T1247] CR2: 00007f68dcc63200 CR3: 000000000a676002 CR4: 0000000000772ef0
[  301.603355][ T1247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  301.603668][ T1247] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  301.603984][ T1247] PKRU: 55555554
[  301.604154][ T1247] Call Trace:
[  301.604312][ T1247]  <TASK>
[ 301.604421][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.604645][ T1247] ? __warn (kernel/panic.c:748) 
[ 301.604807][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.605016][ T1247] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 301.605243][ T1247] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 301.605402][ T1247] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 301.605609][ T1247] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 301.605824][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.606042][ T1247] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 301.606267][ T1247] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 301.606551][ T1247] ? _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) 
[ 301.606768][ T1247] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 301.606988][ T1247] register_netdevice (net/core/dev.c:11003) 
[ 301.607219][ T1247] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 301.607448][ T1247] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 301.607678][ T1247] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 301.607952][ T1247] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 301.608247][ T1247] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 301.608537][ T1247] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 301.608803][ T1247] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 301.609097][ T1247] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 301.609369][ T1247] ? nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1651) netdevsim 
[ 301.609645][ T1247] devlink_reload (net/devlink/dev.c:474) 
[ 301.609864][ T1247] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 301.610090][ T1247] ? devlink_resources_validate (net/devlink/resource.c:311) 
[ 301.610371][ T1247] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 301.610588][ T1247] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 301.610856][ T1247] ? __nla_parse (lib/nlattr.c:732) 
[ 301.611089][ T1247] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 301.611308][ T1247] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 301.611587][ T1247] ? cap_capable (security/commoncap.c:131) 
[ 301.611807][ T1247] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 301.612023][ T1247] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 301.612249][ T1247] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 301.612464][ T1247] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 301.612726][ T1247] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 301.612984][ T1247] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 301.613276][ T1247] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 301.613492][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 301.613702][ T1247] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 301.613915][ T1247] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 301.614154][ T1247] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 301.614317][ T1247] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 301.614531][ T1247] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 301.614750][ T1247] genl_rcv (net/netlink/genetlink.c:1220) 
[ 301.614911][ T1247] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 301.615137][ T1247] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 301.615349][ T1247] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 301.615570][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 301.615787][ T1247] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 301.615997][ T1247] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 301.616228][ T1247] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 301.616450][ T1247] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 301.616663][ T1247] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 301.616882][ T1247] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 301.617114][ T1247] ? __sys_recvmsg (net/socket.c:2859) 
[ 301.617325][ T1247] ? __pfx___sys_recvmsg (net/socket.c:2844) 
[ 301.617547][ T1247] ? do_user_addr_fault (./include/linux/mmap_lock.h:218 arch/x86/mm/fault.c:1416) 
[ 301.617765][ T1247] __x64_sys_sendto (net/socket.c:2181) 
[ 301.617977][ T1247] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 301.618253][ T1247] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 301.618468][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  301.618729][ T1247] RIP: 0033:0x7f68dcabfa4a
[ 301.618948][ T1247] 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
[  301.619688][ T1247] RSP: 002b:00007ffff33943b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  301.620007][ T1247] RAX: ffffffffffffffda RBX: 0000000020c02b00 RCX: 00007f68dcabfa4a
[  301.620347][ T1247] RDX: 0000000000000038 RSI: 0000000020c02b00 RDI: 0000000000000005
[  301.620666][ T1247] RBP: 0000000020c02910 R08: 00007f68dcc63200 R09: 000000000000000c
[  301.620977][ T1247] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[  301.621303][ T1247] R13: 0000000020c02910 R14: 0000000000000000 R15: 0000000000000003
| [  301.960351][   T67] ------------[ cut here ]------------
| [ 301.961041][ T67] WARNING: CPU: 0 PID: 67 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) 
| [  301.961654][   T67] Modules linked in: netdevsim
| [  301.962627][   T67] Tainted: [W]=WARN
[  301.962833][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  301.963200][   T67] Workqueue: netns cleanup_net
[ 301.963630][ T67] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.964047][ T67] 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
[  301.965108][   T67] RSP: 0018:ffffc90000487620 EFLAGS: 00010246
[  301.965480][   T67] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[  301.966124][   T67] RDX: 0000000000000000 RSI: ffff888009a42c98 RDI: ffff888008eb0b50
[  301.966573][   T67] RBP: ffffffff88b23440 R08: 0000000000000000 R09: fffffbfff0d3d83c
[  301.967127][   T67] R10: ffffffff869ec1e7 R11: ffff888008eb0040 R12: 0000000000000000
[  301.967635][   T67] R13: ffff888009a42128 R14: ffff888009a42008 R15: ffff888009a42000
[  301.968176][   T67] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  301.969471][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  301.969853][   T67] CR2: 00007ff7ec9d8258 CR3: 000000001c928006 CR4: 0000000000772ef0
[  301.970359][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  301.970801][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  301.971343][   T67] PKRU: 55555554
[  301.971572][   T67] Call Trace:
[  301.971794][   T67]  <TASK>
[ 301.971948][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.972282][ T67] ? __warn (kernel/panic.c:748) 
[ 301.972496][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.972768][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 301.973116][ T67] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 301.973377][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 301.973664][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 301.973927][ T67] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 301.974251][ T67] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 301.974633][ T67] ? _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) 
[ 301.974934][ T67] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 301.975291][ T67] register_netdevice (net/core/dev.c:11003) 
[ 301.975606][ T67] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 301.975895][ T67] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 301.976248][ T67] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 301.976705][ T67] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 301.977115][ T67] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 301.977526][ T67] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 301.977885][ T67] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 301.978297][ T67] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 301.978697][ T67] devlink_reload (net/devlink/dev.c:474) 
[ 301.979021][ T67] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 301.979360][ T67] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 301.979687][ T67] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 301.979978][ T67] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 301.980403][ T67] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 301.980711][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 301.981021][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 301.981347][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 301.981696][ T67] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 301.982010][ T67] ? process_one_work (kernel/workqueue.c:3214) 
[ 301.982372][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 301.982772][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 301.983209][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 301.983541][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 301.983829][ T67] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 301.984214][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 301.984630][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 301.984930][ T67] kthread (kernel/kthread.c:464) 
[ 301.985192][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 301.985494][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 301.985776][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 301.986097][ T67] ? __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