[ 10.376155][ T251] ------------[ cut here ]------------
[ 10.376598][ T251] WARNING: CPU: 3 PID: 251 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 10.377211][ T251] Modules linked in: netdevsim psample
[ 10.377455][ T251] CPU: 3 UID: 0 PID: 251 Comm: busy_poll_test. Not tainted 6.14.0-rc5-virtme #1
[ 10.377857][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.378163][ T251] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 10.378448][ T251] 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
[ 10.379218][ T251] RSP: 0018:ffffc90000bc7528 EFLAGS: 00010246
[ 10.379500][ T251] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 10.379866][ T251] RDX: 0000000000000000 RSI: ffff888005c52cd0 RDI: ffff88800a070b78
[ 10.380197][ T251] RBP: ffffffffba653580 R08: 0000000000000000 R09: fffffbfff7082504
[ 10.380525][ T251] R10: ffffffffb8412827 R11: ffff88800a070040 R12: 0000000000000000
[ 10.380870][ T251] R13: ffff888005c52130 R14: ffff888005c52008 R15: ffff888005c52000
[ 10.381206][ T251] FS: 00007f953bc49740(0000) GS:ffff88806cf80000(0000) knlGS:0000000000000000
[ 10.381590][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.381898][ T251] CR2: 0000562460813f88 CR3: 00000000062f6003 CR4: 0000000000772ef0
[ 10.382233][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.382569][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.382907][ T251] PKRU: 55555554
[ 10.383078][ T251] Call Trace:
[ 10.383247][ T251]
[ 10.383364][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.383588][ T251] ? __warn+0xd1/0x1c0
[ 10.383774][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.384000][ T251] ? report_bug+0x28c/0x2d0
[ 10.384234][ T251] ? handle_bug+0x54/0xa0
[ 10.384405][ T251] ? exc_invalid_op+0x18/0x50
[ 10.384627][ T251] ? asm_exc_invalid_op+0x1a/0x20
[ 10.384876][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.385099][ T251] ? __netdev_update_features+0x9b8/0xde0
[ 10.385327][ T251] ? __pfx___netdev_update_features+0x10/0x10
[ 10.385609][ T251] ? _raw_spin_unlock_irq+0x28/0x50
[ 10.385854][ T251] ? netdev_register_kobject+0x264/0x2f0
[ 10.386081][ T251] register_netdevice+0xd46/0x1360
[ 10.386311][ T251] ? __pfx_register_netdevice+0x10/0x10
[ 10.386527][ T251] ? __debugfs_create_file+0x364/0x5b0
[ 10.386770][ T251] nsim_create+0x5b7/0x740 [netdevsim]
[ 10.387013][ T251] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 10.387305][ T251] ? mark_lock+0x38/0x3e0
[ 10.387479][ T251] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 10.387773][ T251] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.388054][ T251] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 10.388338][ T251] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 10.388569][ T251] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 10.388865][ T251] ? kernfs_create_link+0x173/0x240
[ 10.389085][ T251] ? kernfs_put+0x1c/0x40
[ 10.389254][ T251] ? sysfs_do_create_link_sd+0x8c/0x100
[ 10.389481][ T251] really_probe+0x1df/0x920
[ 10.389721][ T251] __driver_probe_device+0x2e6/0x3e0
[ 10.389942][ T251] driver_probe_device+0x49/0x140
[ 10.390162][ T251] __device_attach_driver+0x192/0x2b0
[ 10.390389][ T251] ? __pfx___device_attach_driver+0x10/0x10
[ 10.390658][ T251] bus_for_each_drv+0x107/0x1a0
[ 10.390890][ T251] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.391107][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.391327][ T251] ? __pfx___lock_release+0x10/0x10
[ 10.391545][ T251] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.391782][ T251] __device_attach+0x1a3/0x3f0
[ 10.392008][ T251] ? __pfx___device_attach+0x10/0x10
[ 10.392231][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.392452][ T251] ? do_raw_spin_unlock+0x58/0x220
[ 10.392677][ T251] bus_probe_device+0x133/0x180
[ 10.392913][ T251] device_add+0x99d/0x1110
[ 10.393137][ T251] ? __pfx_device_add+0x10/0x10
[ 10.393355][ T251] ? __init_waitqueue_head+0xcf/0x150
[ 10.393590][ T251] new_device_store+0x393/0x690 [netdevsim]
[ 10.393893][ T251] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 10.394181][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.394398][ T251] ? sysfs_file_ops+0x11e/0x170
[ 10.394626][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.394850][ T251] kernfs_fop_write_iter+0x2ba/0x460
[ 10.395077][ T251] vfs_write+0xa87/0x11e0
[ 10.395258][ T251] ? __pfx_vfs_write+0x10/0x10
[ 10.395481][ T251] ? __lock_release+0x103/0x460
[ 10.395709][ T251] ? do_user_addr_fault+0x972/0xe30
[ 10.395940][ T251] ? __pfx___up_read+0x10/0x10
[ 10.396167][ T251] ksys_write+0xf8/0x1d0
[ 10.396339][ T251] ? __pfx_ksys_write+0x10/0x10
[ 10.396556][ T251] ? do_user_addr_fault+0x97c/0xe30
[ 10.396795][ T251] do_syscall_64+0xc1/0x1d0
[ 10.397028][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.397300][ T251] RIP: 0033:0x7f953bd8ab77
[ 10.397531][ T251] 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
[ 10.398313][ T251] RSP: 002b:00007ffe2e218918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.398650][ T251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f953bd8ab77
[ 10.398989][ T251] RDX: 0000000000000004 RSI: 0000562460812f80 RDI: 0000000000000001
[ 10.399317][ T251] RBP: 0000562460812f80 R08: 0000000000000003 R09: 0000000000000000
[ 10.399641][ T251] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000004
[ 10.399984][ T251] R13: 00007f953be46760 R14: 0000000000000004 R15: 00007f953be419c0
[ 10.400331][ T251]
[ 10.400501][ T251] irq event stamp: 66289
[ 10.400668][ T251] hardirqs last enabled at (66299): [] __up_console_sem+0x6b/0x80
[ 10.401052][ T251] hardirqs last disabled at (66310): [] __up_console_sem+0x50/0x80
[ 10.401427][ T251] softirqs last enabled at (66204): [] handle_softirqs+0x32e/0x5c0
[ 10.401815][ T251] softirqs last disabled at (66199): [] __irq_exit_rcu+0xc4/0x100
[ 10.402189][ T251] ---[ end trace 0000000000000000 ]---
[ 10.420646][ T251] ------------[ cut here ]------------
[ 10.421099][ T251] WARNING: CPU: 1 PID: 251 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 10.421516][ T251] Modules linked in: netdevsim psample
[ 10.421751][ T251] CPU: 1 UID: 0 PID: 251 Comm: busy_poll_test. Tainted: G W 6.14.0-rc5-virtme #1
[ 10.422165][ T251] Tainted: [W]=WARN
[ 10.422345][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.422611][ T251] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 10.422886][ T251] 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
[ 10.423622][ T251] RSP: 0018:ffffc90000bc7528 EFLAGS: 00010246
[ 10.423898][ T251] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 10.424203][ T251] RDX: 0000000000000000 RSI: ffff888005c5acd0 RDI: ffff88800a070b78
[ 10.424511][ T251] RBP: ffffffffba653580 R08: 0000000000000000 R09: fffffbfff7082504
[ 10.424834][ T251] R10: ffffffffb8412827 R11: ffff88800a070040 R12: 0000000000000000
[ 10.425142][ T251] R13: ffff888005c5a130 R14: ffff888005c5a008 R15: ffff888005c5a000
[ 10.425446][ T251] FS: 00007f953bc49740(0000) GS:ffff88806ce80000(0000) knlGS:0000000000000000
[ 10.425811][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.426073][ T251] CR2: 000055e61471be08 CR3: 00000000062f6002 CR4: 0000000000772ef0
[ 10.426379][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.426682][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.427004][ T251] PKRU: 55555554
[ 10.427162][ T251] Call Trace:
[ 10.427319][ T251]
[ 10.427430][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.427635][ T251] ? __warn+0xd1/0x1c0
[ 10.427808][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.428019][ T251] ? report_bug+0x28c/0x2d0
[ 10.428232][ T251] ? handle_bug+0x54/0xa0
[ 10.428390][ T251] ? exc_invalid_op+0x18/0x50
[ 10.428594][ T251] ? asm_exc_invalid_op+0x1a/0x20
[ 10.428835][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.429086][ T251] ? __netdev_update_features+0x9b8/0xde0
[ 10.429297][ T251] ? __pfx___netdev_update_features+0x10/0x10
[ 10.429557][ T251] ? _raw_spin_unlock_irq+0x28/0x50
[ 10.429785][ T251] ? netdev_register_kobject+0x264/0x2f0
[ 10.430000][ T251] register_netdevice+0xd46/0x1360
[ 10.430211][ T251] ? __pfx_register_netdevice+0x10/0x10
[ 10.430419][ T251] ? __debugfs_create_file+0x364/0x5b0
[ 10.430639][ T251] nsim_create+0x5b7/0x740 [netdevsim]
[ 10.430870][ T251] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 10.431135][ T251] ? mark_lock+0x38/0x3e0
[ 10.431295][ T251] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 10.431562][ T251] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.431837][ T251] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 10.432101][ T251] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 10.432316][ T251] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 10.432575][ T251] ? kernfs_create_link+0x173/0x240
[ 10.432793][ T251] ? kernfs_put+0x1c/0x40
[ 10.432951][ T251] ? sysfs_do_create_link_sd+0x8c/0x100
[ 10.433166][ T251] really_probe+0x1df/0x920
[ 10.433385][ T251] __driver_probe_device+0x2e6/0x3e0
[ 10.433592][ T251] driver_probe_device+0x49/0x140
[ 10.433808][ T251] __device_attach_driver+0x192/0x2b0
[ 10.434018][ T251] ? __pfx___device_attach_driver+0x10/0x10
[ 10.434268][ T251] bus_for_each_drv+0x107/0x1a0
[ 10.434475][ T251] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.434676][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.434897][ T251] ? __pfx___lock_release+0x10/0x10
[ 10.435102][ T251] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.435311][ T251] __device_attach+0x1a3/0x3f0
[ 10.435515][ T251] ? __pfx___device_attach+0x10/0x10
[ 10.435726][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.435930][ T251] ? do_raw_spin_unlock+0x58/0x220
[ 10.436141][ T251] bus_probe_device+0x133/0x180
[ 10.436355][ T251] device_add+0x99d/0x1110
[ 10.436561][ T251] ? __pfx_device_add+0x10/0x10
[ 10.436776][ T251] ? __init_waitqueue_head+0xcf/0x150
[ 10.437001][ T251] new_device_store+0x393/0x690 [netdevsim]
[ 10.437267][ T251] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 10.437533][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.437748][ T251] ? sysfs_file_ops+0x11e/0x170
[ 10.437977][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.438179][ T251] kernfs_fop_write_iter+0x2ba/0x460
[ 10.438390][ T251] vfs_write+0xa87/0x11e0
[ 10.438557][ T251] ? __pfx_vfs_write+0x10/0x10
[ 10.438775][ T251] ? find_held_lock+0x2c/0x110
[ 10.438987][ T251] ? __pfx___lock_release+0x10/0x10
[ 10.439200][ T251] ksys_write+0xf8/0x1d0
[ 10.439360][ T251] ? __pfx_ksys_write+0x10/0x10
[ 10.439576][ T251] do_syscall_64+0xc1/0x1d0
[ 10.439797][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.440049][ T251] RIP: 0033:0x7f953bd8ab77
[ 10.440258][ T251] 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
[ 10.440964][ T251] RSP: 002b:00007ffe2e218918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.441266][ T251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f953bd8ab77
[ 10.441565][ T251] RDX: 0000000000000004 RSI: 0000562460812f80 RDI: 0000000000000001
[ 10.441874][ T251] RBP: 0000562460812f80 R08: 0000000000000000 R09: 00007f953bdfd4e0
[ 10.442179][ T251] R10: 00007f953bdfd3e0 R11: 0000000000000246 R12: 0000000000000004
[ 10.442479][ T251] R13: 00007f953be46760 R14: 0000000000000004 R15: 00007f953be419c0
[ 10.442807][ T251]
[ 10.442962][ T251] irq event stamp: 73051
[ 10.443114][ T251] hardirqs last enabled at (73061): [] __up_console_sem+0x6b/0x80
[ 10.443462][ T251] hardirqs last disabled at (73070): [] __up_console_sem+0x50/0x80
[ 10.443817][ T251] softirqs last enabled at (72130): [] handle_softirqs+0x32e/0x5c0
[ 10.444165][ T251] softirqs last disabled at (72119): [] __irq_exit_rcu+0xc4/0x100
[ 10.444514][ T251] ---[ end trace 0000000000000000 ]---
[ 10.536641][ T256] netdevsim netdevsim428 eni428np1: renamed from eth0
[ 10.649183][ T254] netdevsim netdevsim601 eni601np1: renamed from eth1
[ 14.586408][ T251] busy_poll_test. (251) used greatest stack depth: 24464 bytes left