[ 9.883956][ T246] ------------[ cut here ]------------
[ 9.884386][ T246] WARNING: CPU: 2 PID: 246 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.884851][ T246] Modules linked in: netdevsim
[ 9.885238][ T246] CPU: 2 UID: 0 PID: 246 Comm: echo Not tainted 6.14.0-rc5-virtme #1
[ 9.885589][ T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.885878][ T246] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.886203][ T246] 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
[ 9.886973][ T246] RSP: 0018:ffffc90000a97520 EFLAGS: 00010246
[ 9.887297][ T246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.887639][ T246] RDX: 0000000000000000 RSI: ffff88800bc6ac98 RDI: ffff88800908ae38
[ 9.887986][ T246] RBP: ffff888005f80040 R08: 0000000000000000 R09: fffffbfff7a3d83c
[ 9.888341][ T246] R10: ffffffffbd1ec1e7 R11: ffff88800908a300 R12: 0000000000000000
[ 9.888678][ T246] R13: ffff88800bc6a128 R14: ffff88800bc6a008 R15: ffff88800bc6a000
[ 9.889021][ T246] FS: 00007fd65de19740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.889428][ T246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.889716][ T246] CR2: 00007f042abe4960 CR3: 000000000b962001 CR4: 0000000000772ef0
[ 9.890052][ T246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.890411][ T246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.890751][ T246] PKRU: 55555554
[ 9.890931][ T246] Call Trace:
[ 9.891127][ T246]
[ 9.891258][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.891499][ T246] ? __warn+0xd1/0x1c0
[ 9.891682][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.891916][ T246] ? report_bug+0x28c/0x2d0
[ 9.892166][ T246] ? handle_bug+0x54/0xa0
[ 9.892347][ T246] ? exc_invalid_op+0x18/0x50
[ 9.892583][ T246] ? asm_exc_invalid_op+0x1a/0x20
[ 9.892827][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.893070][ T246] ? __pfx___netdev_update_features+0x10/0x10
[ 9.893372][ T246] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.893614][ T246] ? netdev_register_kobject+0x264/0x2f0
[ 9.893849][ T246] register_netdevice+0xd46/0x1360
[ 9.894106][ T246] ? __pfx_register_netdevice+0x10/0x10
[ 9.894348][ T246] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.894600][ T246] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.894892][ T246] ? mark_lock+0x38/0x3e0
[ 9.895076][ T246] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.895387][ T246] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.895678][ T246] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.895974][ T246] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.896232][ T246] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.896517][ T246] ? kernfs_create_link+0x173/0x240
[ 9.896752][ T246] ? kernfs_put+0x1c/0x40
[ 9.896935][ T246] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.897187][ T246] really_probe+0x1df/0x920
[ 9.897427][ T246] __driver_probe_device+0x2e6/0x3e0
[ 9.897659][ T246] driver_probe_device+0x49/0x140
[ 9.897894][ T246] __device_attach_driver+0x192/0x2b0
[ 9.898148][ T246] ? __pfx___device_attach_driver+0x10/0x10
[ 9.898434][ T246] bus_for_each_drv+0x107/0x1a0
[ 9.898671][ T246] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.898898][ T246] ? bus_to_subsys+0xd5/0x110
[ 9.899142][ T246] ? __pfx___lock_release+0x10/0x10
[ 9.899371][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.899608][ T246] __device_attach+0x1a3/0x3f0
[ 9.899838][ T246] ? __pfx___device_attach+0x10/0x10
[ 9.900065][ T246] ? bus_to_subsys+0xd5/0x110
[ 9.900315][ T246] ? do_raw_spin_unlock+0x58/0x220
[ 9.900567][ T246] bus_probe_device+0x133/0x180
[ 9.900801][ T246] device_add+0x99d/0x1110
[ 9.901037][ T246] ? __pfx_device_add+0x10/0x10
[ 9.901281][ T246] ? __init_waitqueue_head+0xcf/0x150
[ 9.901523][ T246] new_device_store+0x393/0x690 [netdevsim]
[ 9.901813][ T246] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.902123][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.902353][ T246] ? sysfs_file_ops+0x11e/0x170
[ 9.902592][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.902818][ T246] kernfs_fop_write_iter+0x2ba/0x460
[ 9.903056][ T246] vfs_write+0xa87/0x11e0
[ 9.903254][ T246] ? __pfx_vfs_write+0x10/0x10
[ 9.903491][ T246] ? __lock_release+0x103/0x460
[ 9.903722][ T246] ? do_user_addr_fault+0x972/0xe30
[ 9.903962][ T246] ? __pfx___up_read+0x10/0x10
[ 9.904214][ T246] ksys_write+0xf8/0x1d0
[ 9.904395][ T246] ? __pfx_ksys_write+0x10/0x10
[ 9.904621][ T246] ? do_user_addr_fault+0x97c/0xe30
[ 9.904863][ T246] do_syscall_64+0xc1/0x1d0
[ 9.905107][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.905394][ T246] RIP: 0033:0x7fd65df5ab77
[ 9.905635][ T246] 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
[ 9.906410][ T246] RSP: 002b:00007ffcf7b44758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.906757][ T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd65df5ab77
[ 9.907109][ T246] RDX: 0000000000000005 RSI: 000055d4b29c52f0 RDI: 0000000000000001
[ 9.907447][ T246] RBP: 000055d4b29c52f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.907784][ T246] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.908134][ T246] R13: 00007fd65e016760 R14: 0000000000000005 R15: 00007fd65e0119c0
[ 9.908499][ T246]
[ 9.908679][ T246] irq event stamp: 72701
[ 9.908860][ T246] hardirqs last enabled at (72713): [] __up_console_sem+0x6b/0x80
[ 9.909264][ T246] hardirqs last disabled at (72726): [] __up_console_sem+0x50/0x80
[ 9.909651][ T246] softirqs last enabled at (71656): [] handle_softirqs+0x32e/0x5c0
[ 9.910048][ T246] softirqs last disabled at (71649): [] __irq_exit_rcu+0xc4/0x100
[ 9.910455][ T246] ---[ end trace 0000000000000000 ]---
[ 9.922339][ T246] ------------[ cut here ]------------
[ 9.922600][ T246] WARNING: CPU: 2 PID: 246 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.923045][ T246] Modules linked in: netdevsim
[ 9.923302][ T246] CPU: 2 UID: 0 PID: 246 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.923690][ T246] Tainted: [W]=WARN
[ 9.923875][ T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.924165][ T246] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.924458][ T246] 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
[ 9.925249][ T246] RSP: 0018:ffffc90000a97520 EFLAGS: 00010246
[ 9.925536][ T246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.925864][ T246] RDX: 0000000000000000 RSI: ffff88800a172c98 RDI: ffff88800908ae38
[ 9.926259][ T246] RBP: ffff888005f80040 R08: 0000000000000000 R09: fffffbfff7a3d83c
[ 9.926595][ T246] R10: ffffffffbd1ec1e7 R11: ffff88800908a300 R12: 0000000000000000
[ 9.926930][ T246] R13: ffff88800a172128 R14: ffff88800a172008 R15: ffff88800a172000
[ 9.927281][ T246] FS: 00007fd65de19740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.927670][ T246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.927959][ T246] CR2: 00007f042abe4960 CR3: 000000000b962001 CR4: 0000000000772ef0
[ 9.928306][ T246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.928637][ T246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.928971][ T246] PKRU: 55555554
[ 9.929171][ T246] Call Trace:
[ 9.929351][ T246]
[ 9.929475][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.929705][ T246] ? __warn+0xd1/0x1c0
[ 9.929887][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.930130][ T246] ? report_bug+0x28c/0x2d0
[ 9.930367][ T246] ? handle_bug+0x54/0xa0
[ 9.930560][ T246] ? exc_invalid_op+0x18/0x50
[ 9.930794][ T246] ? asm_exc_invalid_op+0x1a/0x20
[ 9.931036][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.931291][ T246] ? __pfx___netdev_update_features+0x10/0x10
[ 9.931580][ T246] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.931816][ T246] ? netdev_register_kobject+0x264/0x2f0
[ 9.932050][ T246] register_netdevice+0xd46/0x1360
[ 9.932298][ T246] ? __pfx_register_netdevice+0x10/0x10
[ 9.932547][ T246] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.932798][ T246] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.933087][ T246] ? mark_lock+0x38/0x3e0
[ 9.933300][ T246] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.933598][ T246] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.933892][ T246] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.934198][ T246] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.934442][ T246] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.934731][ T246] ? kernfs_create_link+0x173/0x240
[ 9.934967][ T246] ? kernfs_put+0x1c/0x40
[ 9.935158][ T246] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.935397][ T246] really_probe+0x1df/0x920
[ 9.935635][ T246] __driver_probe_device+0x2e6/0x3e0
[ 9.935874][ T246] driver_probe_device+0x49/0x140
[ 9.936117][ T246] __device_attach_driver+0x192/0x2b0
[ 9.936351][ T246] ? __pfx___device_attach_driver+0x10/0x10
[ 9.936633][ T246] bus_for_each_drv+0x107/0x1a0
[ 9.936865][ T246] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.937121][ T246] ? bus_to_subsys+0xd5/0x110
[ 9.937356][ T246] ? __pfx___lock_release+0x10/0x10
[ 9.937591][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.937825][ T246] __device_attach+0x1a3/0x3f0
[ 9.938057][ T246] ? __pfx___device_attach+0x10/0x10
[ 9.938304][ T246] ? bus_to_subsys+0xd5/0x110
[ 9.938538][ T246] ? do_raw_spin_unlock+0x58/0x220
[ 9.938776][ T246] bus_probe_device+0x133/0x180
[ 9.939013][ T246] device_add+0x99d/0x1110
[ 9.939264][ T246] ? __pfx_device_add+0x10/0x10
[ 9.939496][ T246] ? __init_waitqueue_head+0xcf/0x150
[ 9.939738][ T246] new_device_store+0x393/0x690 [netdevsim]
[ 9.940031][ T246] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.940335][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.940573][ T246] ? sysfs_file_ops+0x11e/0x170
[ 9.940808][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.941045][ T246] kernfs_fop_write_iter+0x2ba/0x460
[ 9.941307][ T246] vfs_write+0xa87/0x11e0
[ 9.941497][ T246] ? __pfx_vfs_write+0x10/0x10
[ 9.941731][ T246] ? __lock_release+0x103/0x460
[ 9.941957][ T246] ? do_user_addr_fault+0x972/0xe30
[ 9.942206][ T246] ? __pfx___up_read+0x10/0x10
[ 9.942441][ T246] ksys_write+0xf8/0x1d0
[ 9.942628][ T246] ? __pfx_ksys_write+0x10/0x10
[ 9.942855][ T246] ? do_user_addr_fault+0x97c/0xe30
[ 9.943111][ T246] do_syscall_64+0xc1/0x1d0
[ 9.943345][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.943627][ T246] RIP: 0033:0x7fd65df5ab77
[ 9.943862][ T246] 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
[ 9.944635][ T246] RSP: 002b:00007ffcf7b44758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.944971][ T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd65df5ab77
[ 9.945331][ T246] RDX: 0000000000000005 RSI: 000055d4b29c52f0 RDI: 0000000000000001
[ 9.945671][ T246] RBP: 000055d4b29c52f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.946006][ T246] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.946353][ T246] R13: 00007fd65e016760 R14: 0000000000000005 R15: 00007fd65e0119c0
[ 9.946708][ T246]
[ 9.946890][ T246] irq event stamp: 78053
[ 9.947069][ T246] hardirqs last enabled at (78065): [] __up_console_sem+0x6b/0x80
[ 9.947476][ T246] hardirqs last disabled at (78078): [] __up_console_sem+0x50/0x80
[ 9.947858][ T246] softirqs last enabled at (77986): [] handle_softirqs+0x32e/0x5c0
[ 9.948259][ T246] softirqs last disabled at (77963): [] __irq_exit_rcu+0xc4/0x100
[ 9.948646][ T246] ---[ end trace 0000000000000000 ]---
[ 9.960249][ T246] ------------[ cut here ]------------
[ 9.960520][ T246] WARNING: CPU: 2 PID: 246 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.960963][ T246] Modules linked in: netdevsim
[ 9.961218][ T246] CPU: 2 UID: 0 PID: 246 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.961614][ T246] Tainted: [W]=WARN
[ 9.961794][ T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.962074][ T246] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.962397][ T246] 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
[ 9.963173][ T246] RSP: 0018:ffffc90000a97520 EFLAGS: 00010246
[ 9.963463][ T246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.963797][ T246] RDX: 0000000000000000 RSI: ffff88800b85ac98 RDI: ffff88800908ae38
[ 9.964143][ T246] RBP: ffff888005f80040 R08: 0000000000000000 R09: fffffbfff7a3d83c
[ 9.964478][ T246] R10: ffffffffbd1ec1e7 R11: ffff88800908a300 R12: 0000000000000000
[ 9.964818][ T246] R13: ffff88800b85a128 R14: ffff88800b85a008 R15: ffff88800b85a000
[ 9.965184][ T246] FS: 00007fd65de19740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.965574][ T246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.965860][ T246] CR2: 00007f042abe4960 CR3: 000000000b962001 CR4: 0000000000772ef0
[ 9.966216][ T246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.966548][ T246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.966884][ T246] PKRU: 55555554
[ 9.967061][ T246] Call Trace:
[ 9.967247][ T246]
[ 9.967372][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.967607][ T246] ? __warn+0xd1/0x1c0
[ 9.967790][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.968023][ T246] ? report_bug+0x28c/0x2d0
[ 9.968275][ T246] ? handle_bug+0x54/0xa0
[ 9.968455][ T246] ? exc_invalid_op+0x18/0x50
[ 9.968687][ T246] ? asm_exc_invalid_op+0x1a/0x20
[ 9.968932][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 9.969220][ T246] ? __pfx___netdev_update_features+0x10/0x10
[ 9.969520][ T246] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.969759][ T246] ? netdev_register_kobject+0x264/0x2f0
[ 9.969994][ T246] register_netdevice+0xd46/0x1360
[ 9.970250][ T246] ? __pfx_register_netdevice+0x10/0x10
[ 9.970501][ T246] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.970752][ T246] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.971046][ T246] ? mark_lock+0x38/0x3e0
[ 9.971245][ T246] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.971545][ T246] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.971837][ T246] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.972330][ T246] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.972591][ T246] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.972883][ T246] ? kernfs_create_link+0x173/0x240
[ 9.973152][ T246] ? kernfs_put+0x1c/0x40
[ 9.973334][ T246] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.973578][ T246] really_probe+0x1df/0x920
[ 9.973813][ T246] __driver_probe_device+0x2e6/0x3e0
[ 9.974047][ T246] driver_probe_device+0x49/0x140
[ 9.974294][ T246] __device_attach_driver+0x192/0x2b0
[ 9.974534][ T246] ? __pfx___device_attach_driver+0x10/0x10
[ 9.974815][ T246] bus_for_each_drv+0x107/0x1a0
[ 9.975047][ T246] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.975419][ T246] ? bus_to_subsys+0xd5/0x110
[ 9.975659][ T246] ? __pfx___lock_release+0x10/0x10
[ 9.975888][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.976139][ T246] __device_attach+0x1a3/0x3f0
[ 9.976377][ T246] ? __pfx___device_attach+0x10/0x10
[ 9.976604][ T246] ? bus_to_subsys+0xd5/0x110
[ 9.976837][ T246] ? do_raw_spin_unlock+0x58/0x220
[ 9.977074][ T246] bus_probe_device+0x133/0x180
[ 9.977334][ T246] device_add+0x99d/0x1110
[ 9.977570][ T246] ? __pfx_device_add+0x10/0x10
[ 9.977801][ T246] ? __init_waitqueue_head+0xcf/0x150
[ 9.978044][ T246] new_device_store+0x393/0x690 [netdevsim]
[ 9.978363][ T246] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.978661][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.978894][ T246] ? sysfs_file_ops+0x11e/0x170
[ 9.979153][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.979384][ T246] kernfs_fop_write_iter+0x2ba/0x460
[ 9.979623][ T246] vfs_write+0xa87/0x11e0
[ 9.979817][ T246] ? __pfx_vfs_write+0x10/0x10
[ 9.980055][ T246] ? __lock_release+0x103/0x460
[ 9.980541][ T246] ? do_user_addr_fault+0x972/0xe30
[ 9.980797][ T246] ? __pfx___up_read+0x10/0x10
[ 9.981039][ T246] ksys_write+0xf8/0x1d0
[ 9.981236][ T246] ? __pfx_ksys_write+0x10/0x10
[ 9.981470][ T246] ? do_user_addr_fault+0x97c/0xe30
[ 9.981712][ T246] do_syscall_64+0xc1/0x1d0
[ 9.981955][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.982249][ T246] RIP: 0033:0x7fd65df5ab77
[ 9.982488][ T246] 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
[ 9.983289][ T246] RSP: 002b:00007ffcf7b44758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.983628][ T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd65df5ab77
[ 9.983960][ T246] RDX: 0000000000000005 RSI: 000055d4b29c52f0 RDI: 0000000000000001
[ 9.984305][ T246] RBP: 000055d4b29c52f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.984637][ T246] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.984978][ T246] R13: 00007fd65e016760 R14: 0000000000000005 R15: 00007fd65e0119c0
[ 9.985356][ T246]
[ 9.985536][ T246] irq event stamp: 83087
[ 9.985711][ T246] hardirqs last enabled at (83099): [] __up_console_sem+0x6b/0x80
[ 9.986111][ T246] hardirqs last disabled at (83112): [] __up_console_sem+0x50/0x80
[ 9.986496][ T246] softirqs last enabled at (83070): [] handle_softirqs+0x32e/0x5c0
[ 9.986877][ T246] softirqs last disabled at (83047): [] __irq_exit_rcu+0xc4/0x100
[ 9.987270][ T246] ---[ end trace 0000000000000000 ]---
[ 10.005828][ T246] ------------[ cut here ]------------
[ 10.006086][ T246] WARNING: CPU: 2 PID: 246 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 10.006572][ T246] Modules linked in: netdevsim
[ 10.006813][ T246] CPU: 2 UID: 0 PID: 246 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 10.007231][ T246] Tainted: [W]=WARN
[ 10.007414][ T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.007703][ T246] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 10.007991][ T246] 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
[ 10.008848][ T246] RSP: 0018:ffffc90000a97520 EFLAGS: 00010246
[ 10.009155][ T246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 10.009489][ T246] RDX: 0000000000000000 RSI: ffff888009a3ac98 RDI: ffff88800908ae38
[ 10.009819][ T246] RBP: ffff888005f80040 R08: 0000000000000000 R09: fffffbfff7a3d83c
[ 10.010171][ T246] R10: ffffffffbd1ec1e7 R11: ffff88800908a300 R12: 0000000000000000
[ 10.010522][ T246] R13: ffff888009a3a128 R14: ffff888009a3a008 R15: ffff888009a3a000
[ 10.010869][ T246] FS: 00007fd65de19740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 10.011297][ T246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.011580][ T246] CR2: 00007f042abe4960 CR3: 000000000b962001 CR4: 0000000000772ef0
[ 10.011911][ T246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.012270][ T246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.012606][ T246] PKRU: 55555554
[ 10.012785][ T246] Call Trace:
[ 10.012962][ T246]
[ 10.013089][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 10.013337][ T246] ? __warn+0xd1/0x1c0
[ 10.013517][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 10.013753][ T246] ? report_bug+0x28c/0x2d0
[ 10.013988][ T246] ? handle_bug+0x54/0xa0
[ 10.014209][ T246] ? exc_invalid_op+0x18/0x50
[ 10.014438][ T246] ? asm_exc_invalid_op+0x1a/0x20
[ 10.014682][ T246] ? __netdev_update_features+0x9c1/0xde0
[ 10.014921][ T246] ? __pfx___netdev_update_features+0x10/0x10
[ 10.015236][ T246] ? _raw_spin_unlock_irq+0x28/0x50
[ 10.015481][ T246] ? netdev_register_kobject+0x264/0x2f0
[ 10.015718][ T246] register_netdevice+0xd46/0x1360
[ 10.015952][ T246] ? __pfx_register_netdevice+0x10/0x10
[ 10.016208][ T246] nsim_create+0x5f4/0x790 [netdevsim]
[ 10.016456][ T246] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 10.016745][ T246] ? mark_lock+0x38/0x3e0
[ 10.016925][ T246] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 10.017265][ T246] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.017555][ T246] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 10.017851][ T246] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 10.018105][ T246] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 10.018397][ T246] ? kernfs_create_link+0x173/0x240
[ 10.018628][ T246] ? kernfs_put+0x1c/0x40
[ 10.018814][ T246] ? sysfs_do_create_link_sd+0x8c/0x100
[ 10.019051][ T246] really_probe+0x1df/0x920
[ 10.019303][ T246] __driver_probe_device+0x2e6/0x3e0
[ 10.019536][ T246] driver_probe_device+0x49/0x140
[ 10.019767][ T246] __device_attach_driver+0x192/0x2b0
[ 10.020000][ T246] ? __pfx___device_attach_driver+0x10/0x10
[ 10.020316][ T246] bus_for_each_drv+0x107/0x1a0
[ 10.020565][ T246] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.020791][ T246] ? bus_to_subsys+0xd5/0x110
[ 10.021023][ T246] ? __pfx___lock_release+0x10/0x10
[ 10.021267][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.021511][ T246] __device_attach+0x1a3/0x3f0
[ 10.021743][ T246] ? __pfx___device_attach+0x10/0x10
[ 10.021972][ T246] ? bus_to_subsys+0xd5/0x110
[ 10.022224][ T246] ? do_raw_spin_unlock+0x58/0x220
[ 10.022464][ T246] bus_probe_device+0x133/0x180
[ 10.022698][ T246] device_add+0x99d/0x1110
[ 10.022931][ T246] ? __pfx_device_add+0x10/0x10
[ 10.023204][ T246] ? __init_waitqueue_head+0xcf/0x150
[ 10.023450][ T246] new_device_store+0x393/0x690 [netdevsim]
[ 10.023745][ T246] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 10.024044][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.024288][ T246] ? sysfs_file_ops+0x11e/0x170
[ 10.024529][ T246] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.024758][ T246] kernfs_fop_write_iter+0x2ba/0x460
[ 10.024996][ T246] vfs_write+0xa87/0x11e0
[ 10.025214][ T246] ? __pfx_vfs_write+0x10/0x10
[ 10.025455][ T246] ? __lock_release+0x103/0x460
[ 10.025688][ T246] ? do_user_addr_fault+0x972/0xe30
[ 10.025927][ T246] ? __pfx___up_read+0x10/0x10
[ 10.026180][ T246] ksys_write+0xf8/0x1d0
[ 10.026366][ T246] ? __pfx_ksys_write+0x10/0x10
[ 10.026596][ T246] ? do_user_addr_fault+0x97c/0xe30
[ 10.026835][ T246] do_syscall_64+0xc1/0x1d0
[ 10.027069][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.027365][ T246] RIP: 0033:0x7fd65df5ab77
[ 10.027604][ T246] 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
[ 10.028397][ T246] RSP: 002b:00007ffcf7b44758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.028736][ T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd65df5ab77
[ 10.029074][ T246] RDX: 0000000000000005 RSI: 000055d4b29c52f0 RDI: 0000000000000001
[ 10.029420][ T246] RBP: 000055d4b29c52f0 R08: 0000000000000004 R09: 0000000000000077
[ 10.029751][ T246] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 10.030087][ T246] R13: 00007fd65e016760 R14: 0000000000000005 R15: 00007fd65e0119c0
[ 10.030462][ T246]
[ 10.030641][ T246] irq event stamp: 90565
[ 10.030815][ T246] hardirqs last enabled at (90577): [] __up_console_sem+0x6b/0x80
[ 10.031225][ T246] hardirqs last disabled at (90612): [] __up_console_sem+0x50/0x80
[ 10.031608][ T246] softirqs last enabled at (90608): [] handle_softirqs+0x32e/0x5c0
[ 10.031997][ T246] softirqs last disabled at (90585): [] __irq_exit_rcu+0xc4/0x100
[ 10.032397][ T246] ---[ end trace 0000000000000000 ]---