======================================
| 0
| xx__-> [   19.402975][  T368] ------------[ cut here ]------------
| [ 19.403871][ T368] WARNING: CPU: 3 PID: 368 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   19.404327][  T368] Modules linked in: netdevsim psample act_mirred cls_flower sch_ingress
[   19.405020][  T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.405310][ T368] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.405576][ T368] Code: 00 e8 d3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf d0 0c 00 00 be ff ff ff ff e8 98 3b 99 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:	d3 48 fe             	rorl   %cl,-0x2(%rax)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf d0 0c 00 00 	lea    0xcd0(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 98 3b 99 00       	call   0x993bb9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   19.406294][  T368] RSP: 0018:ffffc900006f7528 EFLAGS: 00010246
[   19.406557][  T368] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   19.406864][  T368] RDX: 0000000000000000 RSI: ffff8880054eacd0 RDI: ffff888004db2e38
[   19.407173][  T368] RBP: ffffffff97053580 R08: 0000000000000000 R09: fffffbfff29c2504
[   19.407486][  T368] R10: ffffffff94e12827 R11: ffff888004db2300 R12: 0000000000000000
[   19.407796][  T368] R13: ffff8880054ea130 R14: ffff8880054ea008 R15: ffff8880054ea000
[   19.408110][  T368] FS:  00007f611bf00740(0000) GS:ffff88806cf80000(0000) knlGS:0000000000000000
[   19.408473][  T368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.408738][  T368] CR2: 000055b2e2403f88 CR3: 00000000091d6001 CR4: 0000000000772ef0
[   19.409045][  T368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   19.409441][  T368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   19.409748][  T368] PKRU: 55555554
[   19.409904][  T368] Call Trace:
[   19.410060][  T368]  <TASK>
[ 19.410180][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.410399][ T368] ? __warn (kernel/panic.c:748) 
[ 19.410556][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.410761][ T368] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 19.410968][ T368] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 19.411124][ T368] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 19.411336][ T368] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 19.411554][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.411762][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 19.411973][ T368] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 19.412231][ T368] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 19.412448][ T368] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 19.412658][ T368] register_netdevice (net/core/dev.c:11003) 
[ 19.412873][ T368] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 19.413076][ T368] ? __debugfs_create_file (fs/debugfs/inode.c:466) 
[ 19.413302][ T368] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 19.413522][ T368] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 19.413781][ T368] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 19.413941][ T368] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 19.414209][ T368] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 19.414482][ T368] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 19.414745][ T368] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 19.414962][ T368] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 19.415230][ T368] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 19.415447][ T368] ? 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)) 
[ 19.415604][ T368] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 19.415819][ T368] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 19.416033][ T368] __driver_probe_device (drivers/base/dd.c:800) 
[ 19.416256][ T368] driver_probe_device (drivers/base/dd.c:830) 
[ 19.416461][ T368] __device_attach_driver (drivers/base/dd.c:959) 
[ 19.416669][ T368] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 19.416919][ T368] bus_for_each_drv (drivers/base/bus.c:462) 
[ 19.417125][ T368] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 19.417343][ T368] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 19.417553][ T368] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 19.417757][ T368] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 19.417967][ T368] __device_attach (drivers/base/dd.c:1030) 
[ 19.418172][ T368] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 19.418384][ T368] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 19.418590][ T368] ? 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) 
[ 19.418801][ T368] bus_probe_device (drivers/base/bus.c:537) 
[ 19.419013][ T368] device_add (drivers/base/core.c:3672) 
[ 19.419219][ T368] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 19.419429][ T368] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 19.419647][ T368] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 19.419909][ T368] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 19.420173][ T368] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 19.420389][ T368] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 19.420603][ T368] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 19.420805][ T368] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 19.421015][ T368] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 19.421179][ T368] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 19.421399][ T368] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 19.421601][ T368] ? 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) 
[ 19.421813][ T368] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 19.422029][ T368] ksys_write (fs/read_write.c:731) 
[ 19.422187][ T368] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 19.422397][ T368] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 19.422612][ T368] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 19.422818][ T368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.423068][  T368] RIP: 0033:0x7f611c041b77
[ 19.423289][ T368] 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
[   19.424003][  T368] RSP: 002b:00007ffc5abfaaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.424321][  T368] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f611c041b77
[   19.424625][  T368] RDX: 0000000000000004 RSI: 000055b2e2402f80 RDI: 0000000000000001
[   19.424943][  T368] RBP: 000055b2e2402f80 R08: 0000000000000003 R09: 0000000000000000
[   19.425263][  T368] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000004
[   19.425570][  T368] R13: 00007f611c0fd760 R14: 0000000000000004 R15: 00007f611c0f89c0
| [   19.444937][  T368] ------------[ cut here ]------------
| [ 19.445227][ T368] WARNING: CPU: 0 PID: 368 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   19.445665][  T368] Modules linked in: netdevsim psample act_mirred cls_flower sch_ingress
| [   19.446494][  T368] Tainted: [W]=WARN
[   19.446668][  T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.446921][ T368] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.447188][ T368] Code: 00 e8 d3 48 fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf d0 0c 00 00 be ff ff ff ff e8 98 3b 99 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:	d3 48 fe             	rorl   %cl,-0x2(%rax)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf d0 0c 00 00 	lea    0xcd0(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 98 3b 99 00       	call   0x993bb9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   19.447907][  T368] RSP: 0018:ffffc900006f7528 EFLAGS: 00010246
[   19.448167][  T368] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   19.448498][  T368] RDX: 0000000000000000 RSI: ffff8880054e2cd0 RDI: ffff888004db2e38
[   19.448802][  T368] RBP: ffffffff97053580 R08: 0000000000000000 R09: fffffbfff29c2504
[   19.449105][  T368] R10: ffffffff94e12827 R11: ffff888004db2300 R12: 0000000000000000
[   19.449416][  T368] R13: ffff8880054e2130 R14: ffff8880054e2008 R15: ffff8880054e2000
[   19.449725][  T368] FS:  00007f611bf00740(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[   19.450075][  T368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.450339][  T368] CR2: 00007f9166c876f0 CR3: 00000000091d6003 CR4: 0000000000772ef0
[   19.450643][  T368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   19.450945][  T368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   19.451259][  T368] PKRU: 55555554
[   19.451415][  T368] Call Trace:
[   19.451569][  T368]  <TASK>
[ 19.451674][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.451880][ T368] ? __warn (kernel/panic.c:748) 
[ 19.452038][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.452260][ T368] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 19.452477][ T368] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 19.452634][ T368] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 19.452839][ T368] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 19.453058][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 19.453272][ T368] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 19.453483][ T368] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 19.453743][ T368] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 19.453957][ T368] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 19.454169][ T368] register_netdevice (net/core/dev.c:11003) 
[ 19.454386][ T368] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 19.454588][ T368] ? __debugfs_create_file (fs/debugfs/inode.c:466) 
[ 19.454806][ T368] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 19.455025][ T368] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 19.455304][ T368] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 19.455466][ T368] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 19.455733][ T368] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 19.455994][ T368] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 19.456266][ T368] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 19.456484][ T368] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 19.456746][ T368] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 19.456959][ T368] ? 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)) 
[ 19.457117][ T368] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 19.457341][ T368] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 19.457553][ T368] __driver_probe_device (drivers/base/dd.c:800) 
[ 19.457762][ T368] driver_probe_device (drivers/base/dd.c:830) 
[ 19.457970][ T368] __device_attach_driver (drivers/base/dd.c:959) 
[ 19.458178][ T368] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 19.458443][ T368] bus_for_each_drv (drivers/base/bus.c:462) 
[ 19.458650][ T368] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 19.458852][ T368] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 19.459058][ T368] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 19.459267][ T368] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 19.459480][ T368] __device_attach (drivers/base/dd.c:1030) 
[ 19.459683][ T368] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 19.459889][ T368] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 19.460094][ T368] ? 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) 
[ 19.460322][ T368] bus_probe_device (drivers/base/bus.c:537) 
[ 19.460530][ T368] device_add (drivers/base/core.c:3672) 
[ 19.460739][ T368] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 19.460943][ T368] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 19.461158][ T368] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 19.461429][ T368] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 19.461697][ T368] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 19.461902][ T368] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 19.462117][ T368] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 19.462327][ T368] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 19.462541][ T368] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 19.462703][ T368] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 19.462911][ T368] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 19.463121][ T368] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 19.463344][ T368] ksys_write (fs/read_write.c:731) 
[ 19.463503][ T368] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 19.463721][ T368] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 19.463936][ T368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.464191][  T368] RIP: 0033:0x7f611c041b77
[ 19.464408][ T368] 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
[   19.465117][  T368] RSP: 002b:00007ffc5abfaaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.465441][  T368] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f611c041b77
[   19.465745][  T368] RDX: 0000000000000004 RSI: 000055b2e2402f80 RDI: 0000000000000001
[   19.466047][  T368] RBP: 000055b2e2402f80 R08: 0000000000000000 R09: 00007f611c0b44e0
[   19.466361][  T368] R10: 00007f611c0b43e0 R11: 0000000000000246 R12: 0000000000000004


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