[ 11.962970][ T231] printk: legacy console [netcon0] enabled
[ 11.963473][ T231] netconsole: network logging started
[ 12.968039][ T219] ------------[ cut here ]------------
[ 12.968576][ T219] WARNING: CPU: 2 PID: 219 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 12.969169][ T219] Modules linked in: netconsole netdevsim
[ 12.969451][ T219] CPU: 2 UID: 0 PID: 219 Comm: bash Not tainted 6.14.0-rc5-virtme #1
[ 12.969813][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.970111][ T219] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 12.970487][ T219] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 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
[ 12.971312][ T219] RSP: 0018:ffffc90000a97548 EFLAGS: 00010246
[ 12.971623][ T219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 12.971997][ T219] RDX: 0000000000000000 RSI: ffff8880096c2c90 RDI: ffff8880061550f8
[ 12.972364][ T219] RBP: ffffffff92128600 R08: 0000000000000000 R09: fffffbfff1ffd944
[ 12.972737][ T219] R10: ffffffff8ffeca27 R11: ffff8880061545c0 R12: 0000000000000000
[ 12.973125][ T219] R13: ffff8880096c2128 R14: ffff8880096c2008 R15: ffff8880096c2000
[ 12.973476][ T219] FS: 00007f06d0e54740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 12.974229][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.974523][ T219] CR2: 00007f06d1008733 CR3: 000000000a6a0005 CR4: 0000000000772ef0
[ 12.974883][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 12.975276][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 12.975611][ T219] PKRU: 55555554
[ 12.975811][ T219] Call Trace:
[ 12.976002][ T219]
[ 12.976152][ T219] ? __netdev_update_features+0x9c1/0xde0
[ 12.976422][ T219] ? __warn+0xd1/0x1c0
[ 12.976613][ T219] ? __netdev_update_features+0x9c1/0xde0
[ 12.976854][ T219] ? report_bug+0x28c/0x2d0
[ 12.977102][ T219] ? handle_bug+0x54/0xa0
[ 12.977373][ T219] ? exc_invalid_op+0x18/0x50
[ 12.977618][ T219] ? asm_exc_invalid_op+0x1a/0x20
[ 12.977874][ T219] ? __netdev_update_features+0x9c1/0xde0
[ 12.978108][ T219] ? __netdev_update_features+0x9b8/0xde0
[ 12.978398][ T219] ? __pfx___netdev_update_features+0x10/0x10
[ 12.978685][ T219] ? _raw_spin_unlock_irq+0x28/0x50
[ 12.978977][ T219] ? netdev_register_kobject+0x264/0x2f0
[ 12.979236][ T219] register_netdevice+0xd46/0x1360
[ 12.979548][ T219] ? __pfx_register_netdevice+0x10/0x10
[ 12.979816][ T219] nsim_create+0x5a7/0x720 [netdevsim]
[ 12.980066][ T219] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 12.980390][ T219] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 12.980684][ T219] ? nsim_dev_hwstats_init+0x392/0x4a0 [netdevsim]
[ 12.980973][ T219] nsim_drv_probe+0x63a/0x980 [netdevsim]
[ 12.981261][ T219] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 12.981538][ T219] ? kernfs_create_link+0x173/0x240
[ 12.981775][ T219] ? kernfs_put+0x1c/0x40
[ 12.981947][ T219] ? sysfs_do_create_link_sd+0x8c/0x100
[ 12.982250][ T219] really_probe+0x1df/0x920
[ 12.982509][ T219] __driver_probe_device+0x2e6/0x3e0
[ 12.982739][ T219] driver_probe_device+0x49/0x140
[ 12.983006][ T219] __device_attach_driver+0x192/0x2b0
[ 12.983269][ T219] ? __pfx___device_attach_driver+0x10/0x10
[ 12.983563][ T219] bus_for_each_drv+0x107/0x1a0
[ 12.983830][ T219] ? __pfx_bus_for_each_drv+0x10/0x10
[ 12.984090][ T219] ? bus_to_subsys+0xd5/0x110
[ 12.984349][ T219] ? __pfx___lock_release+0x10/0x10
[ 12.984571][ T219] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 12.984825][ T219] __device_attach+0x1a3/0x3f0
[ 12.985069][ T219] ? __pfx___device_attach+0x10/0x10
[ 12.985361][ T219] ? bus_to_subsys+0xd5/0x110
[ 12.985597][ T219] ? do_raw_spin_unlock+0x58/0x220
[ 12.985869][ T219] bus_probe_device+0x133/0x180
[ 12.986134][ T219] device_add+0x99d/0x1110
[ 12.986404][ T219] ? __pfx_device_add+0x10/0x10
[ 12.986645][ T219] ? __init_waitqueue_head+0xcf/0x150
[ 12.986891][ T219] new_device_store+0x393/0x690 [netdevsim]
[ 12.987198][ T219] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 12.987496][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.987741][ T219] ? sysfs_file_ops+0x11e/0x170
[ 12.987976][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.988238][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 12.988478][ T219] vfs_write+0xa87/0x11e0
[ 12.988661][ T219] ? __pfx_vfs_write+0x10/0x10
[ 12.988886][ T219] ? __lock_release+0x103/0x460
[ 12.989110][ T219] ? do_user_addr_fault+0x972/0xe30
[ 12.989351][ T219] ? __pfx___up_read+0x10/0x10
[ 12.989581][ T219] ksys_write+0xf8/0x1d0
[ 12.989753][ T219] ? __pfx_ksys_write+0x10/0x10
[ 12.989980][ T219] ? do_user_addr_fault+0x97c/0xe30
[ 12.990251][ T219] do_syscall_64+0xc1/0x1d0
[ 12.990477][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 12.990746][ T219] RIP: 0033:0x7f06d0f95b77
[ 12.990988][ T219] 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
[ 12.991742][ T219] RSP: 002b:00007fff32874a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 12.992076][ T219] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06d0f95b77
[ 12.992408][ T219] RDX: 0000000000000004 RSI: 000055c4ecdcee20 RDI: 0000000000000001
[ 12.992745][ T219] RBP: 000055c4ecdcee20 R08: 0000000000000000 R09: 00007f06d10084e0
[ 12.993101][ T219] R10: 00007f06d10083e0 R11: 0000000000000246 R12: 0000000000000004
[ 12.993435][ T219] R13: 00007f06d1051760 R14: 0000000000000004 R15: 00007f06d104c9c0
[ 12.993771][ T219]
[ 12.993955][ T219] irq event stamp: 130231
[ 12.994128][ T219] hardirqs last enabled at (130243): [] __up_console_sem+0x6b/0x80
[ 12.994537][ T219] hardirqs last disabled at (130256): [] __up_console_sem+0x50/0x80
[ 12.994906][ T219] softirqs last enabled at (130082): [] handle_softirqs+0x32e/0x5c0
[ 12.995317][ T219] softirqs last disabled at (130277): [] __irq_exit_rcu+0xc4/0x100
[ 12.995719][ T219] ---[ end trace 0000000000000000 ]---
[ 13.015653][ T219] ------------[ cut here ]------------
[ 13.016111][ T219] WARNING: CPU: 3 PID: 219 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 13.016648][ T219] Modules linked in: netconsole netdevsim
[ 13.016908][ T219] CPU: 3 UID: 0 PID: 219 Comm: bash Tainted: G W 6.14.0-rc5-virtme #1
[ 13.017399][ T219] Tainted: [W]=WARN
[ 13.017595][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.017890][ T219] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 13.018329][ T219] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 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
[ 13.019082][ T219] RSP: 0018:ffffc90000a97548 EFLAGS: 00010246
[ 13.019427][ T219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 13.019808][ T219] RDX: 0000000000000000 RSI: ffff88800b35ac90 RDI: ffff8880061550f8
[ 13.020183][ T219] RBP: ffffffff92128600 R08: 0000000000000000 R09: fffffbfff1ffd944
[ 13.020568][ T219] R10: ffffffff8ffeca27 R11: ffff8880061545c0 R12: 0000000000000000
[ 13.020923][ T219] R13: ffff88800b35a128 R14: ffff88800b35a008 R15: ffff88800b35a000
[ 13.021277][ T219] FS: 00007f06d0e54740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 13.021634][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 13.021897][ T219] CR2: 000055ab67110888 CR3: 000000000a6a0004 CR4: 0000000000772ef0
[ 13.022212][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 13.022518][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 13.022865][ T219] PKRU: 55555554
[ 13.023022][ T219] Call Trace:
[ 13.023452][ T219]
[ 13.023562][ T219] ? __netdev_update_features+0x9c1/0xde0
[ 13.023773][ T219] ? __warn+0xd1/0x1c0
[ 13.023935][ T219] ? __netdev_update_features+0x9c1/0xde0
[ 13.024152][ T219] ? report_bug+0x28c/0x2d0
[ 13.024375][ T219] ? handle_bug+0x54/0xa0
[ 13.024534][ T219] ? exc_invalid_op+0x18/0x50
[ 13.024747][ T219] ? asm_exc_invalid_op+0x1a/0x20
[ 13.024977][ T219] ? __netdev_update_features+0x9c1/0xde0
[ 13.025203][ T219] ? __netdev_update_features+0x9b8/0xde0
[ 13.025420][ T219] ? __pfx___netdev_update_features+0x10/0x10
[ 13.025687][ T219] ? _raw_spin_unlock_irq+0x28/0x50
[ 13.025899][ T219] ? netdev_register_kobject+0x264/0x2f0
[ 13.026118][ T219] register_netdevice+0xd46/0x1360
[ 13.026348][ T219] ? __pfx_register_netdevice+0x10/0x10
[ 13.026581][ T219] nsim_create+0x5a7/0x720 [netdevsim]
[ 13.026809][ T219] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 13.027079][ T219] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 13.027376][ T219] ? nsim_dev_hwstats_init+0x392/0x4a0 [netdevsim]
[ 13.027655][ T219] nsim_drv_probe+0x63a/0x980 [netdevsim]
[ 13.027888][ T219] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 13.028162][ T219] ? kernfs_create_link+0x173/0x240
[ 13.028384][ T219] ? kernfs_put+0x1c/0x40
[ 13.028544][ T219] ? sysfs_do_create_link_sd+0x8c/0x100
[ 13.028761][ T219] really_probe+0x1df/0x920
[ 13.028982][ T219] __driver_probe_device+0x2e6/0x3e0
[ 13.029213][ T219] driver_probe_device+0x49/0x140
[ 13.029436][ T219] __device_attach_driver+0x192/0x2b0
[ 13.029652][ T219] ? __pfx___device_attach_driver+0x10/0x10
[ 13.029909][ T219] bus_for_each_drv+0x107/0x1a0
[ 13.030118][ T219] ? __pfx_bus_for_each_drv+0x10/0x10
[ 13.030369][ T219] ? bus_to_subsys+0xd5/0x110
[ 13.030585][ T219] ? __pfx___lock_release+0x10/0x10
[ 13.030799][ T219] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 13.031029][ T219] __device_attach+0x1a3/0x3f0
[ 13.031279][ T219] ? __pfx___device_attach+0x10/0x10
[ 13.031484][ T219] ? bus_to_subsys+0xd5/0x110
[ 13.031692][ T219] ? do_raw_spin_unlock+0x58/0x220
[ 13.031923][ T219] bus_probe_device+0x133/0x180
[ 13.032134][ T219] device_add+0x99d/0x1110
[ 13.032358][ T219] ? __pfx_device_add+0x10/0x10
[ 13.032565][ T219] ? __init_waitqueue_head+0xcf/0x150
[ 13.032802][ T219] new_device_store+0x393/0x690 [netdevsim]
[ 13.033074][ T219] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 13.033355][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 13.033559][ T219] ? sysfs_file_ops+0x11e/0x170
[ 13.033773][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 13.033979][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 13.034215][ T219] vfs_write+0xa87/0x11e0
[ 13.034387][ T219] ? __pfx_vfs_write+0x10/0x10
[ 13.034808][ T219] ? find_held_lock+0x2c/0x110
[ 13.035033][ T219] ? __pfx___lock_release+0x10/0x10
[ 13.035398][ T219] ksys_write+0xf8/0x1d0
[ 13.035562][ T219] ? __pfx_ksys_write+0x10/0x10
[ 13.035779][ T219] do_syscall_64+0xc1/0x1d0
[ 13.035986][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 13.036513][ T219] RIP: 0033:0x7f06d0f95b77
[ 13.036727][ T219] 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
[ 13.037449][ T219] RSP: 002b:00007fff32874ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 13.037771][ T219] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06d0f95b77
[ 13.038066][ T219] RDX: 0000000000000004 RSI: 000055c4ecdcee20 RDI: 0000000000000001
[ 13.038382][ T219] RBP: 000055c4ecdcee20 R08: 0000000000000000 R09: 00007f06d10084e0
[ 13.038681][ T219] R10: 00007f06d10083e0 R11: 0000000000000246 R12: 0000000000000004
[ 13.038997][ T219] R13: 00007f06d1051760 R14: 0000000000000004 R15: 00007f06d104c9c0
[ 13.039330][ T219]
[ 13.039487][ T219] irq event stamp: 137143
[ 13.039644][ T219] hardirqs last enabled at (137153): [] __up_console_sem+0x6b/0x80
[ 13.040123][ T219] hardirqs last disabled at (137162): [] __up_console_sem+0x50/0x80
[ 13.040488][ T219] softirqs last enabled at (136322): [] handle_softirqs+0x32e/0x5c0
[ 13.040845][ T219] softirqs last disabled at (136287): [] __irq_exit_rcu+0xc4/0x100
[ 13.041201][ T219] ---[ end trace 0000000000000000 ]---
[ 15.284689][ T279] Test #1 from CPU0: netcons_uhCkM
[ 16.374364][ T297] Test #2 from CPU1: netcons_uhCkM
[ 17.699646][ T317] Test #3 from CPU3: netcons_uhCkM