[ 10.322305][ T250] ------------[ cut here ]------------
[ 10.322662][ T250] WARNING: CPU: 0 PID: 250 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 10.323116][ T250] Modules linked in: netdevsim psample
[ 10.323342][ T250] CPU: 0 UID: 0 PID: 250 Comm: busy_poll_test. Not tainted 6.14.0-rc5-virtme #1
[ 10.323717][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.324089][ T250] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 10.324367][ T250] 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
[ 10.325124][ T250] RSP: 0018:ffffc90000837528 EFLAGS: 00010246
[ 10.325398][ T250] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 10.325715][ T250] RDX: 0000000000000000 RSI: ffff888005ba2cd0 RDI: ffff8880150fd0f8
[ 10.326079][ T250] RBP: ffffffff9e053580 R08: 0000000000000000 R09: fffffbfff37c2504
[ 10.326400][ T250] R10: ffffffff9be12827 R11: ffff8880150fc5c0 R12: 0000000000000000
[ 10.326715][ T250] R13: ffff888005ba2130 R14: ffff888005ba2008 R15: ffff888005ba2000
[ 10.327044][ T250] FS: 00007f54c7aa5740(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 10.327416][ T250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.327682][ T250] CR2: 0000559b24456178 CR3: 0000000015526004 CR4: 0000000000772ef0
[ 10.328007][ T250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.328320][ T250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.328632][ T250] PKRU: 55555554
[ 10.328798][ T250] Call Trace:
[ 10.328973][ T250]
[ 10.329085][ T250] ? __netdev_update_features+0x9c1/0xde0
[ 10.329301][ T250] ? __warn+0xd1/0x1c0
[ 10.329461][ T250] ? __netdev_update_features+0x9c1/0xde0
[ 10.329670][ T250] ? report_bug+0x28c/0x2d0
[ 10.329884][ T250] ? handle_bug+0x54/0xa0
[ 10.330069][ T250] ? exc_invalid_op+0x18/0x50
[ 10.330285][ T250] ? asm_exc_invalid_op+0x1a/0x20
[ 10.330513][ T250] ? __netdev_update_features+0x9c1/0xde0
[ 10.330724][ T250] ? __netdev_update_features+0x9b8/0xde0
[ 10.331009][ T250] ? __pfx___netdev_update_features+0x10/0x10
[ 10.331289][ T250] ? _raw_spin_unlock_irq+0x28/0x50
[ 10.331506][ T250] ? netdev_register_kobject+0x264/0x2f0
[ 10.331724][ T250] register_netdevice+0xd46/0x1360
[ 10.331961][ T250] ? __pfx_register_netdevice+0x10/0x10
[ 10.332185][ T250] ? __debugfs_create_file+0x364/0x5b0
[ 10.332409][ T250] nsim_create+0x5b7/0x740 [netdevsim]
[ 10.332633][ T250] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 10.332903][ T250] ? mark_lock+0x38/0x3e0
[ 10.333079][ T250] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 10.333357][ T250] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.333629][ T250] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 10.333898][ T250] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 10.334145][ T250] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 10.334412][ T250] ? kernfs_create_link+0x173/0x240
[ 10.334624][ T250] ? kernfs_put+0x1c/0x40
[ 10.334783][ T250] ? sysfs_do_create_link_sd+0x8c/0x100
[ 10.335019][ T250] really_probe+0x1df/0x920
[ 10.335238][ T250] __driver_probe_device+0x2e6/0x3e0
[ 10.335451][ T250] driver_probe_device+0x49/0x140
[ 10.335661][ T250] __device_attach_driver+0x192/0x2b0
[ 10.335873][ T250] ? __pfx___device_attach_driver+0x10/0x10
[ 10.336146][ T250] bus_for_each_drv+0x107/0x1a0
[ 10.336360][ T250] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.336573][ T250] ? bus_to_subsys+0xd5/0x110
[ 10.336782][ T250] ? __pfx___lock_release+0x10/0x10
[ 10.337004][ T250] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.337219][ T250] __device_attach+0x1a3/0x3f0
[ 10.337429][ T250] ? __pfx___device_attach+0x10/0x10
[ 10.337637][ T250] ? bus_to_subsys+0xd5/0x110
[ 10.337844][ T250] ? do_raw_spin_unlock+0x58/0x220
[ 10.338089][ T250] bus_probe_device+0x133/0x180
[ 10.338303][ T250] device_add+0x99d/0x1110
[ 10.338517][ T250] ? __pfx_device_add+0x10/0x10
[ 10.338725][ T250] ? __init_waitqueue_head+0xcf/0x150
[ 10.338957][ T250] new_device_store+0x393/0x690 [netdevsim]
[ 10.339232][ T250] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 10.339511][ T250] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.339723][ T250] ? sysfs_file_ops+0x11e/0x170
[ 10.339952][ T250] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.340162][ T250] kernfs_fop_write_iter+0x2ba/0x460
[ 10.340377][ T250] vfs_write+0xa87/0x11e0
[ 10.340544][ T250] ? __pfx_vfs_write+0x10/0x10
[ 10.340758][ T250] ? __lock_release+0x103/0x460
[ 10.340977][ T250] ? do_user_addr_fault+0x972/0xe30
[ 10.341201][ T250] ? __pfx___up_read+0x10/0x10
[ 10.341419][ T250] ksys_write+0xf8/0x1d0
[ 10.341580][ T250] ? __pfx_ksys_write+0x10/0x10
[ 10.341788][ T250] ? do_user_addr_fault+0x97c/0xe30
[ 10.342029][ T250] do_syscall_64+0xc1/0x1d0
[ 10.342272][ T250] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.342530][ T250] RIP: 0033:0x7f54c7be6b77
[ 10.342753][ T250] 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
[ 10.343479][ T250] RSP: 002b:00007ffe801f7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.343798][ T250] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f54c7be6b77
[ 10.344126][ T250] RDX: 0000000000000004 RSI: 000055f93cd0bf80 RDI: 0000000000000001
[ 10.344442][ T250] RBP: 000055f93cd0bf80 R08: 0000000000000003 R09: 0000000000000000
[ 10.344753][ T250] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000004
[ 10.345075][ T250] R13: 00007f54c7ca2760 R14: 0000000000000004 R15: 00007f54c7c9d9c0
[ 10.345413][ T250]
[ 10.345677][ T250] irq event stamp: 62145
[ 10.345838][ T250] hardirqs last enabled at (62155): [] __up_console_sem+0x6b/0x80
[ 10.346230][ T250] hardirqs last disabled at (62188): [] __up_console_sem+0x50/0x80
[ 10.346590][ T250] softirqs last enabled at (62184): [] handle_softirqs+0x32e/0x5c0
[ 10.346965][ T250] softirqs last disabled at (62163): [] __irq_exit_rcu+0xc4/0x100
[ 10.347326][ T250] ---[ end trace 0000000000000000 ]---
[ 10.375306][ T250] ------------[ cut here ]------------
[ 10.375859][ T250] WARNING: CPU: 2 PID: 250 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 10.376378][ T250] Modules linked in: netdevsim psample
[ 10.376623][ T250] CPU: 2 UID: 0 PID: 250 Comm: busy_poll_test. Tainted: G W 6.14.0-rc5-virtme #1
[ 10.377087][ T250] Tainted: [W]=WARN
[ 10.377297][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.377584][ T250] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 10.377880][ T250] 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
[ 10.378670][ T250] RSP: 0018:ffffc90000837528 EFLAGS: 00010246
[ 10.378978][ T250] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 10.379329][ T250] RDX: 0000000000000000 RSI: ffff888005baacd0 RDI: ffff8880150fd0f8
[ 10.379677][ T250] RBP: ffffffff9e053580 R08: 0000000000000000 R09: fffffbfff37c2504
[ 10.380029][ T250] R10: ffffffff9be12827 R11: ffff8880150fc5c0 R12: 0000000000000000
[ 10.380363][ T250] R13: ffff888005baa130 R14: ffff888005baa008 R15: ffff888005baa000
[ 10.380704][ T250] FS: 00007f54c7aa5740(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 10.381110][ T250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.381392][ T250] CR2: 0000559b244183b8 CR3: 0000000015526006 CR4: 0000000000772ef0
[ 10.381754][ T250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.382125][ T250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.382477][ T250] PKRU: 55555554
[ 10.382664][ T250] Call Trace:
[ 10.382849][ T250]
[ 10.382989][ T250] ? __netdev_update_features+0x9c1/0xde0
[ 10.383228][ T250] ? __warn+0xd1/0x1c0
[ 10.383419][ T250] ? __netdev_update_features+0x9c1/0xde0
[ 10.383658][ T250] ? report_bug+0x28c/0x2d0
[ 10.383910][ T250] ? handle_bug+0x54/0xa0
[ 10.384111][ T250] ? exc_invalid_op+0x18/0x50
[ 10.384359][ T250] ? asm_exc_invalid_op+0x1a/0x20
[ 10.384609][ T250] ? __netdev_update_features+0x9c1/0xde0
[ 10.384844][ T250] ? __netdev_update_features+0x9b8/0xde0
[ 10.385093][ T250] ? __pfx___netdev_update_features+0x10/0x10
[ 10.385385][ T250] ? _raw_spin_unlock_irq+0x28/0x50
[ 10.385632][ T250] ? netdev_register_kobject+0x264/0x2f0
[ 10.385871][ T250] register_netdevice+0xd46/0x1360
[ 10.386118][ T250] ? __pfx_register_netdevice+0x10/0x10
[ 10.386348][ T250] ? __debugfs_create_file+0x364/0x5b0
[ 10.386612][ T250] nsim_create+0x5b7/0x740 [netdevsim]
[ 10.386869][ T250] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 10.387184][ T250] ? mark_lock+0x38/0x3e0
[ 10.387373][ T250] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 10.387678][ T250] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.387994][ T250] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 10.388292][ T250] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 10.388536][ T250] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 10.388830][ T250] ? kernfs_create_link+0x173/0x240
[ 10.389086][ T250] ? kernfs_put+0x1c/0x40
[ 10.389285][ T250] ? sysfs_do_create_link_sd+0x8c/0x100
[ 10.389539][ T250] really_probe+0x1df/0x920
[ 10.389790][ T250] __driver_probe_device+0x2e6/0x3e0
[ 10.390040][ T250] driver_probe_device+0x49/0x140
[ 10.390286][ T250] __device_attach_driver+0x192/0x2b0
[ 10.390532][ T250] ? __pfx___device_attach_driver+0x10/0x10
[ 10.390829][ T250] bus_for_each_drv+0x107/0x1a0
[ 10.391086][ T250] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.391323][ T250] ? bus_to_subsys+0xd5/0x110
[ 10.391570][ T250] ? __pfx___lock_release+0x10/0x10
[ 10.391804][ T250] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.392059][ T250] __device_attach+0x1a3/0x3f0
[ 10.392320][ T250] ? __pfx___device_attach+0x10/0x10
[ 10.392569][ T250] ? bus_to_subsys+0xd5/0x110
[ 10.392813][ T250] ? do_raw_spin_unlock+0x58/0x220
[ 10.393075][ T250] bus_probe_device+0x133/0x180
[ 10.393324][ T250] device_add+0x99d/0x1110
[ 10.393586][ T250] ? __pfx_device_add+0x10/0x10
[ 10.393823][ T250] ? __init_waitqueue_head+0xcf/0x150
[ 10.394109][ T250] new_device_store+0x393/0x690 [netdevsim]
[ 10.394420][ T250] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 10.394736][ T250] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.394983][ T250] ? sysfs_file_ops+0x11e/0x170
[ 10.395230][ T250] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.395469][ T250] kernfs_fop_write_iter+0x2ba/0x460
[ 10.395723][ T250] vfs_write+0xa87/0x11e0
[ 10.395920][ T250] ? __pfx_vfs_write+0x10/0x10
[ 10.396178][ T250] ? find_held_lock+0x2c/0x110
[ 10.396420][ T250] ? __pfx___lock_release+0x10/0x10
[ 10.396676][ T250] ksys_write+0xf8/0x1d0
[ 10.396856][ T250] ? __pfx_ksys_write+0x10/0x10
[ 10.397110][ T250] do_syscall_64+0xc1/0x1d0
[ 10.397355][ T250] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.397658][ T250] RIP: 0033:0x7f54c7be6b77
[ 10.397903][ T250] Code: Unable to access opcode bytes at 0x7f54c7be6b4d.
[ 10.398209][ T250] RSP: 002b:00007ffe801f7d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.398558][ T250] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f54c7be6b77
[ 10.398915][ T250] RDX: 0000000000000004 RSI: 000055f93cd0bf80 RDI: 0000000000000001
[ 10.399277][ T250] RBP: 000055f93cd0bf80 R08: 0000000000000000 R09: 00007f54c7c594e0
[ 10.399619][ T250] R10: 00007f54c7c593e0 R11: 0000000000000246 R12: 0000000000000004
[ 10.399969][ T250] R13: 00007f54c7ca2760 R14: 0000000000000004 R15: 00007f54c7c9d9c0
[ 10.400330][ T250]
[ 10.400511][ T250] irq event stamp: 72819
[ 10.400700][ T250] hardirqs last enabled at (72831): [] __up_console_sem+0x6b/0x80
[ 10.401119][ T250] hardirqs last disabled at (72844): [] __up_console_sem+0x50/0x80
[ 10.401512][ T250] softirqs last enabled at (71686): [] handle_softirqs+0x32e/0x5c0
[ 10.401922][ T250] softirqs last disabled at (71659): [] __irq_exit_rcu+0xc4/0x100
[ 10.402371][ T250] ---[ end trace 0000000000000000 ]---
[ 10.448070][ T253] netdevsim netdevsim418 eni418np1: renamed from eth0
[ 10.542382][ T252] netdevsim netdevsim566 eni566np1: renamed from eth1
[ 14.571887][ T250] busy_poll_test. (250) used greatest stack depth: 24384 bytes left