[ 9.667539][ T244] ------------[ cut here ]------------
[ 9.668449][ T244] WARNING: CPU: 2 PID: 244 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.668906][ T244] Modules linked in: netdevsim
[ 9.669167][ T244] CPU: 2 UID: 0 PID: 244 Comm: echo Not tainted 6.14.0-rc5-virtme #1
[ 9.669506][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.669809][ T244] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.670117][ T244] 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
[ 9.670891][ T244] RSP: 0018:ffffc900004e7520 EFLAGS: 00010246
[ 9.671192][ T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.671541][ T244] RDX: 0000000000000000 RSI: ffff88800e262c98 RDI: ffff8880095f50f8
[ 9.671879][ T244] RBP: ffff888005260040 R08: 0000000000000000 R09: fffffbfff1a3d83c
[ 9.672229][ T244] R10: ffffffff8d1ec1e7 R11: ffff8880095f45c0 R12: 0000000000000000
[ 9.672575][ T244] R13: ffff88800e262128 R14: ffff88800e262008 R15: ffff88800e262000
[ 9.672912][ T244] FS: 00007f95fee1d740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.673317][ T244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.673606][ T244] CR2: 0000564de4d9b2f8 CR3: 000000000a6e0001 CR4: 0000000000772ef0
[ 9.673961][ T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.674313][ T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.674655][ T244] PKRU: 55555554
[ 9.674837][ T244] Call Trace:
[ 9.675035][ T244]
[ 9.675165][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.675401][ T244] ? __warn+0xd1/0x1c0
[ 9.675586][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.675818][ T244] ? report_bug+0x28c/0x2d0
[ 9.676070][ T244] ? handle_bug+0x54/0xa0
[ 9.676251][ T244] ? exc_invalid_op+0x18/0x50
[ 9.676483][ T244] ? asm_exc_invalid_op+0x1a/0x20
[ 9.676726][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.676970][ T244] ? __pfx___netdev_update_features+0x10/0x10
[ 9.677275][ T244] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.677515][ T244] ? netdev_register_kobject+0x264/0x2f0
[ 9.677751][ T244] register_netdevice+0xd46/0x1360
[ 9.678004][ T244] ? __pfx_register_netdevice+0x10/0x10
[ 9.678251][ T244] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.678500][ T244] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.678796][ T244] ? mark_lock+0x38/0x3e0
[ 9.678979][ T244] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.679290][ T244] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.679580][ T244] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.679875][ T244] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.680126][ T244] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.680420][ T244] ? kernfs_create_link+0x173/0x240
[ 9.680673][ T244] ? kernfs_put+0x1c/0x40
[ 9.680861][ T244] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.681115][ T244] really_probe+0x1df/0x920
[ 9.681357][ T244] __driver_probe_device+0x2e6/0x3e0
[ 9.681595][ T244] driver_probe_device+0x49/0x140
[ 9.681834][ T244] __device_attach_driver+0x192/0x2b0
[ 9.682080][ T244] ? __pfx___device_attach_driver+0x10/0x10
[ 9.682371][ T244] bus_for_each_drv+0x107/0x1a0
[ 9.682606][ T244] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.682836][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.683076][ T244] ? __pfx___lock_release+0x10/0x10
[ 9.683307][ T244] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.683545][ T244] __device_attach+0x1a3/0x3f0
[ 9.683775][ T244] ? __pfx___device_attach+0x10/0x10
[ 9.684013][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.684253][ T244] ? do_raw_spin_unlock+0x58/0x220
[ 9.684490][ T244] bus_probe_device+0x133/0x180
[ 9.684730][ T244] device_add+0x99d/0x1110
[ 9.684969][ T244] ? __pfx_device_add+0x10/0x10
[ 9.685211][ T244] ? __init_waitqueue_head+0xcf/0x150
[ 9.685453][ T244] new_device_store+0x393/0x690 [netdevsim]
[ 9.685746][ T244] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.686056][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.686287][ T244] ? sysfs_file_ops+0x11e/0x170
[ 9.686526][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.686753][ T244] kernfs_fop_write_iter+0x2ba/0x460
[ 9.687005][ T244] vfs_write+0xa87/0x11e0
[ 9.687192][ T244] ? __pfx_vfs_write+0x10/0x10
[ 9.687427][ T244] ? __lock_release+0x103/0x460
[ 9.687653][ T244] ? do_user_addr_fault+0x972/0xe30
[ 9.687897][ T244] ? __pfx___up_read+0x10/0x10
[ 9.688143][ T244] ksys_write+0xf8/0x1d0
[ 9.688325][ T244] ? __pfx_ksys_write+0x10/0x10
[ 9.688554][ T244] ? do_user_addr_fault+0x97c/0xe30
[ 9.688797][ T244] do_syscall_64+0xc1/0x1d0
[ 9.689041][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.689319][ T244] RIP: 0033:0x7f95fef5eb77
[ 9.689571][ T244] 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
[ 9.690391][ T244] RSP: 002b:00007ffc7bf34ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.690741][ T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95fef5eb77
[ 9.691109][ T244] RDX: 0000000000000005 RSI: 0000564de4d9a2f0 RDI: 0000000000000001
[ 9.691445][ T244] RBP: 0000564de4d9a2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.691788][ T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.692132][ T244] R13: 00007f95ff01a760 R14: 0000000000000005 R15: 00007f95ff0159c0
[ 9.692505][ T244]
[ 9.692687][ T244] irq event stamp: 70977
[ 9.692870][ T244] hardirqs last enabled at (70989): [] __up_console_sem+0x6b/0x80
[ 9.693271][ T244] hardirqs last disabled at (71002): [] __up_console_sem+0x50/0x80
[ 9.693666][ T244] softirqs last enabled at (69894): [] handle_softirqs+0x32e/0x5c0
[ 9.694073][ T244] softirqs last disabled at (69881): [] __irq_exit_rcu+0xc4/0x100
[ 9.694459][ T244] ---[ end trace 0000000000000000 ]---
[ 9.706006][ T244] ------------[ cut here ]------------
[ 9.706267][ T244] WARNING: CPU: 2 PID: 244 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.706707][ T244] Modules linked in: netdevsim
[ 9.706949][ T244] CPU: 2 UID: 0 PID: 244 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.707345][ T244] Tainted: [W]=WARN
[ 9.707526][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.707810][ T244] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.708108][ T244] 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
[ 9.708865][ T244] RSP: 0018:ffffc900004e7520 EFLAGS: 00010246
[ 9.709240][ T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.709578][ T244] RDX: 0000000000000000 RSI: ffff88800e2aac98 RDI: ffff8880095f50f8
[ 9.709915][ T244] RBP: ffff888005260040 R08: 0000000000000000 R09: fffffbfff1a3d83c
[ 9.710258][ T244] R10: ffffffff8d1ec1e7 R11: ffff8880095f45c0 R12: 0000000000000000
[ 9.710600][ T244] R13: ffff88800e2aa128 R14: ffff88800e2aa008 R15: ffff88800e2aa000
[ 9.710930][ T244] FS: 00007f95fee1d740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.711326][ T244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.711607][ T244] CR2: 0000564de4d9b2f8 CR3: 000000000a6e0001 CR4: 0000000000772ef0
[ 9.711940][ T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.712283][ T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.712612][ T244] PKRU: 55555554
[ 9.712794][ T244] Call Trace:
[ 9.712970][ T244]
[ 9.713107][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.713337][ T244] ? __warn+0xd1/0x1c0
[ 9.713516][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.713751][ T244] ? report_bug+0x28c/0x2d0
[ 9.713995][ T244] ? handle_bug+0x54/0xa0
[ 9.714177][ T244] ? exc_invalid_op+0x18/0x50
[ 9.714408][ T244] ? asm_exc_invalid_op+0x1a/0x20
[ 9.714656][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.714897][ T244] ? __pfx___netdev_update_features+0x10/0x10
[ 9.715196][ T244] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.715430][ T244] ? netdev_register_kobject+0x264/0x2f0
[ 9.715666][ T244] register_netdevice+0xd46/0x1360
[ 9.715901][ T244] ? __pfx_register_netdevice+0x10/0x10
[ 9.716159][ T244] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.716407][ T244] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.716696][ T244] ? mark_lock+0x38/0x3e0
[ 9.716877][ T244] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.717181][ T244] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.717470][ T244] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.717763][ T244] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.718016][ T244] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.718303][ T244] ? kernfs_create_link+0x173/0x240
[ 9.718536][ T244] ? kernfs_put+0x1c/0x40
[ 9.718716][ T244] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.718956][ T244] really_probe+0x1df/0x920
[ 9.719201][ T244] __driver_probe_device+0x2e6/0x3e0
[ 9.719440][ T244] driver_probe_device+0x49/0x140
[ 9.719671][ T244] __device_attach_driver+0x192/0x2b0
[ 9.719905][ T244] ? __pfx___device_attach_driver+0x10/0x10
[ 9.720194][ T244] bus_for_each_drv+0x107/0x1a0
[ 9.720427][ T244] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.720661][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.720894][ T244] ? __pfx___lock_release+0x10/0x10
[ 9.721147][ T244] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.721386][ T244] __device_attach+0x1a3/0x3f0
[ 9.721616][ T244] ? __pfx___device_attach+0x10/0x10
[ 9.721844][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.722084][ T244] ? do_raw_spin_unlock+0x58/0x220
[ 9.722323][ T244] bus_probe_device+0x133/0x180
[ 9.722559][ T244] device_add+0x99d/0x1110
[ 9.722797][ T244] ? __pfx_device_add+0x10/0x10
[ 9.723036][ T244] ? __init_waitqueue_head+0xcf/0x150
[ 9.723277][ T244] new_device_store+0x393/0x690 [netdevsim]
[ 9.723572][ T244] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.723865][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.724107][ T244] ? sysfs_file_ops+0x11e/0x170
[ 9.724342][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.724576][ T244] kernfs_fop_write_iter+0x2ba/0x460
[ 9.724810][ T244] vfs_write+0xa87/0x11e0
[ 9.725007][ T244] ? __pfx_vfs_write+0x10/0x10
[ 9.725244][ T244] ? __lock_release+0x103/0x460
[ 9.725474][ T244] ? do_user_addr_fault+0x972/0xe30
[ 9.725710][ T244] ? __pfx___up_read+0x10/0x10
[ 9.725947][ T244] ksys_write+0xf8/0x1d0
[ 9.726136][ T244] ? __pfx_ksys_write+0x10/0x10
[ 9.726368][ T244] ? do_user_addr_fault+0x97c/0xe30
[ 9.726610][ T244] do_syscall_64+0xc1/0x1d0
[ 9.726843][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.727131][ T244] RIP: 0033:0x7f95fef5eb77
[ 9.727365][ T244] 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
[ 9.728138][ T244] RSP: 002b:00007ffc7bf34ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.728473][ T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95fef5eb77
[ 9.728806][ T244] RDX: 0000000000000005 RSI: 0000564de4d9a2f0 RDI: 0000000000000001
[ 9.729146][ T244] RBP: 0000564de4d9a2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.729483][ T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.729814][ T244] R13: 00007f95ff01a760 R14: 0000000000000005 R15: 00007f95ff0159c0
[ 9.730175][ T244]
[ 9.730352][ T244] irq event stamp: 76165
[ 9.730540][ T244] hardirqs last enabled at (76177): [] __up_console_sem+0x6b/0x80
[ 9.730927][ T244] hardirqs last disabled at (76188): [] __up_console_sem+0x50/0x80
[ 9.731317][ T244] softirqs last enabled at (75152): [] handle_softirqs+0x32e/0x5c0
[ 9.731707][ T244] softirqs last disabled at (75069): [] __irq_exit_rcu+0xc4/0x100
[ 9.732100][ T244] ---[ end trace 0000000000000000 ]---
[ 9.743430][ T244] ------------[ cut here ]------------
[ 9.743684][ T244] WARNING: CPU: 2 PID: 244 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.744142][ T244] Modules linked in: netdevsim
[ 9.744378][ T244] CPU: 2 UID: 0 PID: 244 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.744767][ T244] Tainted: [W]=WARN
[ 9.744950][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.745242][ T244] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.745526][ T244] 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
[ 9.746314][ T244] RSP: 0018:ffffc900004e7520 EFLAGS: 00010246
[ 9.746603][ T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.746936][ T244] RDX: 0000000000000000 RSI: ffff88800e2cac98 RDI: ffff8880095f50f8
[ 9.747356][ T244] RBP: ffff888005260040 R08: 0000000000000000 R09: fffffbfff1a3d83c
[ 9.747690][ T244] R10: ffffffff8d1ec1e7 R11: ffff8880095f45c0 R12: 0000000000000000
[ 9.748042][ T244] R13: ffff88800e2ca128 R14: ffff88800e2ca008 R15: ffff88800e2ca000
[ 9.748372][ T244] FS: 00007f95fee1d740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.748754][ T244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.749049][ T244] CR2: 0000564de4d9b2f8 CR3: 000000000a6e0001 CR4: 0000000000772ef0
[ 9.749383][ T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.749714][ T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.750071][ T244] PKRU: 55555554
[ 9.750251][ T244] Call Trace:
[ 9.750426][ T244]
[ 9.750568][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.750798][ T244] ? __warn+0xd1/0x1c0
[ 9.750999][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.751233][ T244] ? report_bug+0x28c/0x2d0
[ 9.751471][ T244] ? handle_bug+0x54/0xa0
[ 9.751649][ T244] ? exc_invalid_op+0x18/0x50
[ 9.751880][ T244] ? asm_exc_invalid_op+0x1a/0x20
[ 9.752137][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.752377][ T244] ? __pfx___netdev_update_features+0x10/0x10
[ 9.752671][ T244] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.752907][ T244] ? netdev_register_kobject+0x264/0x2f0
[ 9.753155][ T244] register_netdevice+0xd46/0x1360
[ 9.753392][ T244] ? __pfx_register_netdevice+0x10/0x10
[ 9.753634][ T244] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.753879][ T244] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.754198][ T244] ? mark_lock+0x38/0x3e0
[ 9.754385][ T244] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.754685][ T244] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.754975][ T244] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.755279][ T244] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.755519][ T244] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.755807][ T244] ? kernfs_create_link+0x173/0x240
[ 9.756056][ T244] ? kernfs_put+0x1c/0x40
[ 9.756237][ T244] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.756476][ T244] really_probe+0x1df/0x920
[ 9.756716][ T244] __driver_probe_device+0x2e6/0x3e0
[ 9.756950][ T244] driver_probe_device+0x49/0x140
[ 9.757193][ T244] __device_attach_driver+0x192/0x2b0
[ 9.757426][ T244] ? __pfx___device_attach_driver+0x10/0x10
[ 9.757711][ T244] bus_for_each_drv+0x107/0x1a0
[ 9.757940][ T244] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.758196][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.758428][ T244] ? __pfx___lock_release+0x10/0x10
[ 9.758667][ T244] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.758904][ T244] __device_attach+0x1a3/0x3f0
[ 9.759148][ T244] ? __pfx___device_attach+0x10/0x10
[ 9.759381][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.759612][ T244] ? do_raw_spin_unlock+0x58/0x220
[ 9.759850][ T244] bus_probe_device+0x133/0x180
[ 9.760092][ T244] device_add+0x99d/0x1110
[ 9.760327][ T244] ? __pfx_device_add+0x10/0x10
[ 9.760565][ T244] ? __init_waitqueue_head+0xcf/0x150
[ 9.760809][ T244] new_device_store+0x393/0x690 [netdevsim]
[ 9.761117][ T244] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.761413][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.761640][ T244] ? sysfs_file_ops+0x11e/0x170
[ 9.761879][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.762414][ T244] kernfs_fop_write_iter+0x2ba/0x460
[ 9.762683][ T244] vfs_write+0xa87/0x11e0
[ 9.762879][ T244] ? __pfx_vfs_write+0x10/0x10
[ 9.763140][ T244] ? __lock_release+0x103/0x460
[ 9.763369][ T244] ? do_user_addr_fault+0x972/0xe30
[ 9.763609][ T244] ? __pfx___up_read+0x10/0x10
[ 9.763847][ T244] ksys_write+0xf8/0x1d0
[ 9.764203][ T244] ? __pfx_ksys_write+0x10/0x10
[ 9.764440][ T244] ? do_user_addr_fault+0x97c/0xe30
[ 9.764681][ T244] do_syscall_64+0xc1/0x1d0
[ 9.764931][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.765235][ T244] RIP: 0033:0x7f95fef5eb77
[ 9.765469][ T244] 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
[ 9.766256][ T244] RSP: 002b:00007ffc7bf34ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.766605][ T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95fef5eb77
[ 9.766933][ T244] RDX: 0000000000000005 RSI: 0000564de4d9a2f0 RDI: 0000000000000001
[ 9.767284][ T244] RBP: 0000564de4d9a2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.767619][ T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.767953][ T244] R13: 00007f95ff01a760 R14: 0000000000000005 R15: 00007f95ff0159c0
[ 9.768344][ T244]
[ 9.768523][ T244] irq event stamp: 81023
[ 9.768701][ T244] hardirqs last enabled at (81035): [] __up_console_sem+0x6b/0x80
[ 9.769091][ T244] hardirqs last disabled at (81048): [] __up_console_sem+0x50/0x80
[ 9.769478][ T244] softirqs last enabled at (81006): [] handle_softirqs+0x32e/0x5c0
[ 9.769863][ T244] softirqs last disabled at (80987): [] __irq_exit_rcu+0xc4/0x100
[ 9.770266][ T244] ---[ end trace 0000000000000000 ]---
[ 9.788633][ T244] ------------[ cut here ]------------
[ 9.788881][ T244] WARNING: CPU: 2 PID: 244 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.789361][ T244] Modules linked in: netdevsim
[ 9.789601][ T244] CPU: 2 UID: 0 PID: 244 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.790020][ T244] Tainted: [W]=WARN
[ 9.790210][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.790499][ T244] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.790785][ T244] 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
[ 9.791554][ T244] RSP: 0018:ffffc900004e7520 EFLAGS: 00010246
[ 9.791841][ T244] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.792209][ T244] RDX: 0000000000000000 RSI: ffff88800e2eac98 RDI: ffff8880095f50f8
[ 9.792546][ T244] RBP: ffff888005260040 R08: 0000000000000000 R09: fffffbfff1a3d83c
[ 9.792896][ T244] R10: ffffffff8d1ec1e7 R11: ffff8880095f45c0 R12: 0000000000000000
[ 9.793251][ T244] R13: ffff88800e2ea128 R14: ffff88800e2ea008 R15: ffff88800e2ea000
[ 9.793581][ T244] FS: 00007f95fee1d740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.793963][ T244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.794288][ T244] CR2: 0000564de4d9b2f8 CR3: 000000000a6e0001 CR4: 0000000000772ef0
[ 9.794617][ T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.794941][ T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.795348][ T244] PKRU: 55555554
[ 9.795523][ T244] Call Trace:
[ 9.795716][ T244]
[ 9.795843][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.796088][ T244] ? __warn+0xd1/0x1c0
[ 9.796269][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.796499][ T244] ? report_bug+0x28c/0x2d0
[ 9.796734][ T244] ? handle_bug+0x54/0xa0
[ 9.796916][ T244] ? exc_invalid_op+0x18/0x50
[ 9.797158][ T244] ? asm_exc_invalid_op+0x1a/0x20
[ 9.797405][ T244] ? __netdev_update_features+0x9c1/0xde0
[ 9.797642][ T244] ? __pfx___netdev_update_features+0x10/0x10
[ 9.797937][ T244] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.798216][ T244] ? netdev_register_kobject+0x264/0x2f0
[ 9.798454][ T244] register_netdevice+0xd46/0x1360
[ 9.798691][ T244] ? __pfx_register_netdevice+0x10/0x10
[ 9.798943][ T244] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.799217][ T244] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.799508][ T244] ? mark_lock+0x38/0x3e0
[ 9.799690][ T244] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.800026][ T244] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.800317][ T244] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.800633][ T244] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.800880][ T244] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.801179][ T244] ? kernfs_create_link+0x173/0x240
[ 9.801411][ T244] ? kernfs_put+0x1c/0x40
[ 9.801589][ T244] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.801825][ T244] really_probe+0x1df/0x920
[ 9.802082][ T244] __driver_probe_device+0x2e6/0x3e0
[ 9.802319][ T244] driver_probe_device+0x49/0x140
[ 9.802552][ T244] __device_attach_driver+0x192/0x2b0
[ 9.802782][ T244] ? __pfx___device_attach_driver+0x10/0x10
[ 9.803088][ T244] bus_for_each_drv+0x107/0x1a0
[ 9.803326][ T244] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.803555][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.803784][ T244] ? __pfx___lock_release+0x10/0x10
[ 9.804054][ T244] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.804292][ T244] __device_attach+0x1a3/0x3f0
[ 9.804521][ T244] ? __pfx___device_attach+0x10/0x10
[ 9.804748][ T244] ? bus_to_subsys+0xd5/0x110
[ 9.804979][ T244] ? do_raw_spin_unlock+0x58/0x220
[ 9.805230][ T244] bus_probe_device+0x133/0x180
[ 9.805463][ T244] device_add+0x99d/0x1110
[ 9.805695][ T244] ? __pfx_device_add+0x10/0x10
[ 9.805926][ T244] ? __init_waitqueue_head+0xcf/0x150
[ 9.806180][ T244] new_device_store+0x393/0x690 [netdevsim]
[ 9.806473][ T244] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.806769][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.807024][ T244] ? sysfs_file_ops+0x11e/0x170
[ 9.807266][ T244] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.807501][ T244] kernfs_fop_write_iter+0x2ba/0x460
[ 9.807736][ T244] vfs_write+0xa87/0x11e0
[ 9.807921][ T244] ? __pfx_vfs_write+0x10/0x10
[ 9.808196][ T244] ? __lock_release+0x103/0x460
[ 9.808425][ T244] ? do_user_addr_fault+0x972/0xe30
[ 9.808663][ T244] ? __pfx___up_read+0x10/0x10
[ 9.808899][ T244] ksys_write+0xf8/0x1d0
[ 9.809089][ T244] ? __pfx_ksys_write+0x10/0x10
[ 9.809322][ T244] ? do_user_addr_fault+0x97c/0xe30
[ 9.809564][ T244] do_syscall_64+0xc1/0x1d0
[ 9.809794][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.810086][ T244] RIP: 0033:0x7f95fef5eb77
[ 9.810319][ T244] 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
[ 9.811110][ T244] RSP: 002b:00007ffc7bf34ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.811449][ T244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95fef5eb77
[ 9.811785][ T244] RDX: 0000000000000005 RSI: 0000564de4d9a2f0 RDI: 0000000000000001
[ 9.812153][ T244] RBP: 0000564de4d9a2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.812494][ T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.812825][ T244] R13: 00007f95ff01a760 R14: 0000000000000005 R15: 00007f95ff0159c0
[ 9.813189][ T244]
[ 9.813369][ T244] irq event stamp: 89665
[ 9.813545][ T244] hardirqs last enabled at (89677): [] __up_console_sem+0x6b/0x80
[ 9.813932][ T244] hardirqs last disabled at (89688): [] __up_console_sem+0x50/0x80
[ 9.814322][ T244] softirqs last enabled at (89610): [] handle_softirqs+0x32e/0x5c0
[ 9.814716][ T244] softirqs last disabled at (89591): [] __irq_exit_rcu+0xc4/0x100
[ 9.815127][ T244] ---[ end trace 0000000000000000 ]---