[ 9.541016][ T229] ------------[ cut here ]------------
[ 9.541566][ T229] WARNING: CPU: 2 PID: 229 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.542013][ T229] Modules linked in: netdevsim
[ 9.542271][ T229] CPU: 2 UID: 0 PID: 229 Comm: ethtool-fec.sh Not tainted 6.14.0-rc5-virtme #1
[ 9.542651][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.543003][ T229] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.543303][ T229] 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
[ 9.544059][ T229] RSP: 0018:ffffc90000b47520 EFLAGS: 00010246
[ 9.544367][ T229] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.544700][ T229] RDX: 0000000000000000 RSI: ffff888009362c98 RDI: ffff88800b1a50f8
[ 9.545031][ T229] RBP: ffffffff8a323440 R08: 0000000000000000 R09: fffffbfff103d83c
[ 9.545374][ T229] R10: ffffffff881ec1e7 R11: ffff88800b1a45c0 R12: 0000000000000000
[ 9.545706][ T229] R13: ffff888009362128 R14: ffff888009362008 R15: ffff888009362000
[ 9.546036][ T229] FS: 00007f41ec820740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.546436][ T229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.546725][ T229] CR2: 00005582c1c9ff68 CR3: 000000000bcfe006 CR4: 0000000000772ef0
[ 9.547083][ T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.547431][ T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.547757][ T229] PKRU: 55555554
[ 9.547939][ T229] Call Trace:
[ 9.548135][ T229]
[ 9.548266][ T229] ? __netdev_update_features+0x9c1/0xde0
[ 9.548494][ T229] ? __warn+0xd1/0x1c0
[ 9.548670][ T229] ? __netdev_update_features+0x9c1/0xde0
[ 9.548894][ T229] ? report_bug+0x28c/0x2d0
[ 9.549132][ T229] ? handle_bug+0x54/0xa0
[ 9.549312][ T229] ? exc_invalid_op+0x18/0x50
[ 9.549533][ T229] ? asm_exc_invalid_op+0x1a/0x20
[ 9.549769][ T229] ? __netdev_update_features+0x9c1/0xde0
[ 9.549999][ T229] ? __pfx___netdev_update_features+0x10/0x10
[ 9.550291][ T229] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.550520][ T229] ? netdev_register_kobject+0x264/0x2f0
[ 9.550746][ T229] register_netdevice+0xd46/0x1360
[ 9.550985][ T229] ? __pfx_register_netdevice+0x10/0x10
[ 9.551230][ T229] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.551466][ T229] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.551745][ T229] ? mark_lock+0x38/0x3e0
[ 9.551919][ T229] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.552231][ T229] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.552514][ T229] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.552796][ T229] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.553031][ T229] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.553322][ T229] ? kernfs_create_link+0x173/0x240
[ 9.553546][ T229] ? kernfs_put+0x1c/0x40
[ 9.553717][ T229] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.553968][ T229] really_probe+0x1df/0x920
[ 9.554211][ T229] __driver_probe_device+0x2e6/0x3e0
[ 9.554434][ T229] driver_probe_device+0x49/0x140
[ 9.554661][ T229] __device_attach_driver+0x192/0x2b0
[ 9.554887][ T229] ? __pfx___device_attach_driver+0x10/0x10
[ 9.555165][ T229] bus_for_each_drv+0x107/0x1a0
[ 9.555388][ T229] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.555610][ T229] ? bus_to_subsys+0xd5/0x110
[ 9.555835][ T229] ? __pfx___lock_release+0x10/0x10
[ 9.556053][ T229] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.556296][ T229] __device_attach+0x1a3/0x3f0
[ 9.556515][ T229] ? __pfx___device_attach+0x10/0x10
[ 9.556736][ T229] ? bus_to_subsys+0xd5/0x110
[ 9.556959][ T229] ? do_raw_spin_unlock+0x58/0x220
[ 9.557207][ T229] bus_probe_device+0x133/0x180
[ 9.557438][ T229] device_add+0x99d/0x1110
[ 9.557672][ T229] ? __pfx_device_add+0x10/0x10
[ 9.557899][ T229] ? __init_waitqueue_head+0xcf/0x150
[ 9.558149][ T229] new_device_store+0x393/0x690 [netdevsim]
[ 9.558436][ T229] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.558723][ T229] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.558948][ T229] ? sysfs_file_ops+0x11e/0x170
[ 9.559190][ T229] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.559411][ T229] kernfs_fop_write_iter+0x2ba/0x460
[ 9.559637][ T229] vfs_write+0xa87/0x11e0
[ 9.559819][ T229] ? __pfx_vfs_write+0x10/0x10
[ 9.560046][ T229] ? __lock_release+0x103/0x460
[ 9.560275][ T229] ? do_user_addr_fault+0x972/0xe30
[ 9.560507][ T229] ? __pfx___up_read+0x10/0x10
[ 9.560737][ T229] ksys_write+0xf8/0x1d0
[ 9.560910][ T229] ? __pfx_ksys_write+0x10/0x10
[ 9.561137][ T229] ? do_user_addr_fault+0x97c/0xe30
[ 9.561371][ T229] do_syscall_64+0xc1/0x1d0
[ 9.561598][ T229] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.561869][ T229] RIP: 0033:0x7f41ec961b77
[ 9.562097][ T229] 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
[ 9.562843][ T229] RSP: 002b:00007fff203e2118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.563182][ T229] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f41ec961b77
[ 9.563505][ T229] RDX: 0000000000000004 RSI: 00005582c1c9ef60 RDI: 0000000000000001
[ 9.563841][ T229] RBP: 00005582c1c9ef60 R08: 0000000000000003 R09: 0000000000000000
[ 9.564180][ T229] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000004
[ 9.564505][ T229] R13: 00007f41eca1d760 R14: 0000000000000004 R15: 00007f41eca189c0
[ 9.564847][ T229]
[ 9.565030][ T229] irq event stamp: 19039
[ 9.565218][ T229] hardirqs last enabled at (19053): [] __up_console_sem+0x6b/0x80
[ 9.565593][ T229] hardirqs last disabled at (19064): [] __up_console_sem+0x50/0x80
[ 9.565962][ T229] softirqs last enabled at (18616): [] handle_softirqs+0x32e/0x5c0
[ 9.566344][ T229] softirqs last disabled at (18605): [] __irq_exit_rcu+0xc4/0x100
[ 9.566757][ T229] ---[ end trace 0000000000000000 ]---
[ 9.694294][ T236] netdevsim netdevsim803 eni803np1: renamed from eth0