[ 10.071886][ T251] ------------[ cut here ]------------
[ 10.072347][ T251] WARNING: CPU: 2 PID: 251 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 10.072832][ T251] Modules linked in: netdevsim psample
[ 10.073121][ T251] CPU: 2 UID: 0 PID: 251 Comm: busy_poll_test. Not tainted 6.14.0-rc5-virtme #1
[ 10.073535][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.073931][ T251] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 10.074264][ 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
[ 10.075066][ T251] RSP: 0018:ffffc90000bc7528 EFLAGS: 00010246
[ 10.075375][ T251] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 10.075725][ T251] RDX: 0000000000000000 RSI: ffff888005c22cd0 RDI: ffff88800930ae38
[ 10.076102][ T251] RBP: ffffffff9ec53580 R08: 0000000000000000 R09: fffffbfff3942504
[ 10.076453][ T251] R10: ffffffff9ca12827 R11: ffff88800930a300 R12: 0000000000000000
[ 10.076810][ T251] R13: ffff888005c22130 R14: ffff888005c22008 R15: ffff888005c22000
[ 10.077196][ T251] FS: 00007f48d02f8740(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 10.077599][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.077897][ T251] CR2: 0000558cc53b3f88 CR3: 000000000b62a004 CR4: 0000000000772ef0
[ 10.078275][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.078636][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.079002][ T251] PKRU: 55555554
[ 10.079192][ T251] Call Trace:
[ 10.079383][ T251]
[ 10.079521][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.079763][ T251] ? __warn+0xd1/0x1c0
[ 10.079957][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.080224][ T251] ? report_bug+0x28c/0x2d0
[ 10.080472][ T251] ? handle_bug+0x54/0xa0
[ 10.080663][ T251] ? exc_invalid_op+0x18/0x50
[ 10.080907][ T251] ? asm_exc_invalid_op+0x1a/0x20
[ 10.081175][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.081415][ T251] ? __netdev_update_features+0x9b8/0xde0
[ 10.081659][ T251] ? __pfx___netdev_update_features+0x10/0x10
[ 10.081979][ T251] ? _raw_spin_unlock_irq+0x28/0x50
[ 10.082227][ T251] ? netdev_register_kobject+0x264/0x2f0
[ 10.082477][ T251] register_netdevice+0xd46/0x1360
[ 10.082732][ T251] ? __pfx_register_netdevice+0x10/0x10
[ 10.082980][ T251] ? __debugfs_create_file+0x364/0x5b0
[ 10.083240][ T251] nsim_create+0x5b7/0x740 [netdevsim]
[ 10.083501][ T251] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 10.083805][ T251] ? mark_lock+0x38/0x3e0
[ 10.084022][ T251] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 10.084334][ T251] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.084634][ T251] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 10.084939][ T251] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 10.085211][ T251] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 10.085512][ T251] ? kernfs_create_link+0x173/0x240
[ 10.085756][ T251] ? kernfs_put+0x1c/0x40
[ 10.085944][ T251] ? sysfs_do_create_link_sd+0x8c/0x100
[ 10.086207][ T251] really_probe+0x1df/0x920
[ 10.086459][ T251] __driver_probe_device+0x2e6/0x3e0
[ 10.086703][ T251] driver_probe_device+0x49/0x140
[ 10.086950][ T251] __device_attach_driver+0x192/0x2b0
[ 10.087203][ T251] ? __pfx___device_attach_driver+0x10/0x10
[ 10.087493][ T251] bus_for_each_drv+0x107/0x1a0
[ 10.087733][ T251] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.087978][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.088217][ T251] ? __pfx___lock_release+0x10/0x10
[ 10.088455][ T251] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.088705][ T251] __device_attach+0x1a3/0x3f0
[ 10.088946][ T251] ? __pfx___device_attach+0x10/0x10
[ 10.089205][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.089444][ T251] ? do_raw_spin_unlock+0x58/0x220
[ 10.089690][ T251] bus_probe_device+0x133/0x180
[ 10.089931][ T251] device_add+0x99d/0x1110
[ 10.090191][ T251] ? __pfx_device_add+0x10/0x10
[ 10.090435][ T251] ? __init_waitqueue_head+0xcf/0x150
[ 10.090686][ T251] new_device_store+0x393/0x690 [netdevsim]
[ 10.091009][ T251] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 10.091313][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.091551][ T251] ? sysfs_file_ops+0x11e/0x170
[ 10.091800][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.092050][ T251] kernfs_fop_write_iter+0x2ba/0x460
[ 10.092299][ T251] vfs_write+0xa87/0x11e0
[ 10.092494][ T251] ? __pfx_vfs_write+0x10/0x10
[ 10.092740][ T251] ? __lock_release+0x103/0x460
[ 10.093003][ T251] ? do_user_addr_fault+0x972/0xe30
[ 10.093253][ T251] ? __pfx___up_read+0x10/0x10
[ 10.093498][ T251] ksys_write+0xf8/0x1d0
[ 10.093685][ T251] ? __pfx_ksys_write+0x10/0x10
[ 10.093921][ T251] ? do_user_addr_fault+0x97c/0xe30
[ 10.094192][ T251] do_syscall_64+0xc1/0x1d0
[ 10.094434][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.094726][ T251] RIP: 0033:0x7f48d0439b77
[ 10.094984][ 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
[ 10.095768][ T251] RSP: 002b:00007ffdd73a98e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.096135][ T251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f48d0439b77
[ 10.096485][ T251] RDX: 0000000000000004 RSI: 0000558cc53b2f80 RDI: 0000000000000001
[ 10.096834][ T251] RBP: 0000558cc53b2f80 R08: 0000000000000003 R09: 0000000000000000
[ 10.097214][ T251] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000004
[ 10.097563][ T251] R13: 00007f48d04f5760 R14: 0000000000000004 R15: 00007f48d04f09c0
[ 10.097934][ T251]
[ 10.098184][ T251] irq event stamp: 69125
[ 10.098374][ T251] hardirqs last enabled at (69137): [] __up_console_sem+0x6b/0x80
[ 10.098784][ T251] hardirqs last disabled at (69148): [] __up_console_sem+0x50/0x80
[ 10.099192][ T251] softirqs last enabled at (69082): [] handle_softirqs+0x32e/0x5c0
[ 10.099597][ T251] softirqs last disabled at (69059): [] __irq_exit_rcu+0xc4/0x100
[ 10.100011][ T251] ---[ end trace 0000000000000000 ]---
[ 10.118842][ T251] ------------[ cut here ]------------
[ 10.119363][ T251] WARNING: CPU: 2 PID: 251 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 10.119840][ T251] Modules linked in: netdevsim psample
[ 10.120128][ T251] CPU: 2 UID: 0 PID: 251 Comm: busy_poll_test. Tainted: G W 6.14.0-rc5-virtme #1
[ 10.120626][ T251] Tainted: [W]=WARN
[ 10.120836][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.121161][ T251] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 10.121478][ 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
[ 10.122286][ T251] RSP: 0018:ffffc90000bc7528 EFLAGS: 00010246
[ 10.122596][ T251] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 10.122947][ T251] RDX: 0000000000000000 RSI: ffff888005c2acd0 RDI: ffff88800930ae38
[ 10.123321][ T251] RBP: ffffffff9ec53580 R08: 0000000000000000 R09: fffffbfff3942504
[ 10.123675][ T251] R10: ffffffff9ca12827 R11: ffff88800930a300 R12: 0000000000000000
[ 10.124045][ T251] R13: ffff888005c2a130 R14: ffff888005c2a008 R15: ffff888005c2a000
[ 10.124405][ T251] FS: 00007f48d02f8740(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 10.124807][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.125117][ T251] CR2: 0000558cc53b3f88 CR3: 000000000b62a004 CR4: 0000000000772ef0
[ 10.125471][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.125825][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.126204][ T251] PKRU: 55555554
[ 10.126394][ T251] Call Trace:
[ 10.126595][ T251]
[ 10.126730][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.126988][ T251] ? __warn+0xd1/0x1c0
[ 10.127184][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.127423][ T251] ? report_bug+0x28c/0x2d0
[ 10.127674][ T251] ? handle_bug+0x54/0xa0
[ 10.127860][ T251] ? exc_invalid_op+0x18/0x50
[ 10.128115][ T251] ? asm_exc_invalid_op+0x1a/0x20
[ 10.128374][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 10.128617][ T251] ? __netdev_update_features+0x9b8/0xde0
[ 10.128864][ T251] ? __pfx___netdev_update_features+0x10/0x10
[ 10.129177][ T251] ? _raw_spin_unlock_irq+0x28/0x50
[ 10.129462][ T251] ? netdev_register_kobject+0x264/0x2f0
[ 10.129709][ T251] register_netdevice+0xd46/0x1360
[ 10.129992][ T251] ? __pfx_register_netdevice+0x10/0x10
[ 10.130234][ T251] ? __debugfs_create_file+0x364/0x5b0
[ 10.130495][ T251] nsim_create+0x5b7/0x740 [netdevsim]
[ 10.130760][ T251] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 10.131091][ T251] ? mark_lock+0x38/0x3e0
[ 10.131289][ T251] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 10.131605][ T251] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.131923][ T251] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 10.132263][ T251] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 10.132526][ T251] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 10.132831][ T251] ? kernfs_create_link+0x173/0x240
[ 10.133096][ T251] ? kernfs_put+0x1c/0x40
[ 10.133296][ T251] ? sysfs_do_create_link_sd+0x8c/0x100
[ 10.133559][ T251] really_probe+0x1df/0x920
[ 10.133808][ T251] __driver_probe_device+0x2e6/0x3e0
[ 10.134077][ T251] driver_probe_device+0x49/0x140
[ 10.134342][ T251] __device_attach_driver+0x192/0x2b0
[ 10.134592][ T251] ? __pfx___device_attach_driver+0x10/0x10
[ 10.134894][ T251] bus_for_each_drv+0x107/0x1a0
[ 10.135157][ T251] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.135402][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.135648][ T251] ? __pfx___lock_release+0x10/0x10
[ 10.135889][ T251] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.136157][ T251] __device_attach+0x1a3/0x3f0
[ 10.136401][ T251] ? __pfx___device_attach+0x10/0x10
[ 10.136646][ T251] ? bus_to_subsys+0xd5/0x110
[ 10.136910][ T251] ? do_raw_spin_unlock+0x58/0x220
[ 10.137172][ T251] bus_probe_device+0x133/0x180
[ 10.137431][ T251] device_add+0x99d/0x1110
[ 10.137684][ T251] ? __pfx_device_add+0x10/0x10
[ 10.137928][ T251] ? __init_waitqueue_head+0xcf/0x150
[ 10.138190][ T251] new_device_store+0x393/0x690 [netdevsim]
[ 10.138495][ T251] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 10.138826][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.139081][ T251] ? sysfs_file_ops+0x11e/0x170
[ 10.139327][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.139560][ T251] kernfs_fop_write_iter+0x2ba/0x460
[ 10.139807][ T251] vfs_write+0xa87/0x11e0
[ 10.140019][ T251] ? __pfx_vfs_write+0x10/0x10
[ 10.140270][ T251] ? find_held_lock+0x2c/0x110
[ 10.140536][ T251] ? __pfx___lock_release+0x10/0x10
[ 10.140790][ T251] ksys_write+0xf8/0x1d0
[ 10.141012][ T251] ? __pfx_ksys_write+0x10/0x10
[ 10.141268][ T251] do_syscall_64+0xc1/0x1d0
[ 10.141520][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.141836][ T251] RIP: 0033:0x7f48d0439b77
[ 10.142108][ T251] Code: Unable to access opcode bytes at 0x7f48d0439b4d.
[ 10.142417][ T251] RSP: 002b:00007ffdd73a98e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.142769][ T251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f48d0439b77
[ 10.143154][ T251] RDX: 0000000000000004 RSI: 0000558cc53b2f80 RDI: 0000000000000001
[ 10.143509][ T251] RBP: 0000558cc53b2f80 R08: 0000000000000000 R09: 00007f48d04ac4e0
[ 10.143875][ T251] R10: 00007f48d04ac3e0 R11: 0000000000000246 R12: 0000000000000004
[ 10.144235][ T251] R13: 00007f48d04f5760 R14: 0000000000000004 R15: 00007f48d04f09c0
[ 10.144608][ T251]
[ 10.144795][ T251] irq event stamp: 76363
[ 10.144996][ T251] hardirqs last enabled at (76377): [] __up_console_sem+0x6b/0x80
[ 10.145407][ T251] hardirqs last disabled at (76388): [] __up_console_sem+0x50/0x80
[ 10.145813][ T251] softirqs last enabled at (75460): [] handle_softirqs+0x32e/0x5c0
[ 10.146230][ T251] softirqs last disabled at (75447): [] __irq_exit_rcu+0xc4/0x100
[ 10.146637][ T251] ---[ end trace 0000000000000000 ]---
[ 10.180634][ T255] netdevsim netdevsim339 eni339np1: renamed from eth0
[ 10.267579][ T254] netdevsim netdevsim747 eni747np1: renamed from eth1
[ 11.057394][ T271] ip (271) used greatest stack depth: 24432 bytes left
[ 14.268092][ T251] busy_poll_test. (251) used greatest stack depth: 24176 bytes left