[ 20.360311][ T921] ------------[ cut here ]------------
[ 20.360682][ T921] WARNING: CPU: 3 PID: 921 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 20.361200][ T921] Modules linked in: netdevsim psample
[ 20.361467][ T921] CPU: 3 UID: 0 PID: 921 Comm: busy_poll_test. Not tainted 6.14.0-rc5-virtme #1
[ 20.361980][ T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.362259][ T921] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 20.362538][ T921] 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
[ 20.363288][ T921] RSP: 0018:ffffc90002c17528 EFLAGS: 00010246
[ 20.363559][ T921] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 20.363894][ T921] RDX: 0000000000000000 RSI: ffff888013812cd0 RDI: ffff888009ec50f8
[ 20.364225][ T921] RBP: ffffffffb9c53580 R08: 0000000000000000 R09: fffffbfff6f42504
[ 20.364543][ T921] R10: ffffffffb7a12827 R11: ffff888009ec45c0 R12: 0000000000000000
[ 20.364885][ T921] R13: ffff888013812130 R14: ffff888013812008 R15: ffff888013812000
[ 20.365206][ T921] FS: 00007f704cf89740(0000) GS:ffff88806cf80000(0000) knlGS:0000000000000000
[ 20.365575][ T921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.365864][ T921] CR2: 0000559a76918d80 CR3: 000000000261c002 CR4: 0000000000772ef0
[ 20.366186][ T921] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.366507][ T921] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.366838][ T921] PKRU: 55555554
[ 20.367004][ T921] Call Trace:
[ 20.367168][ T921]
[ 20.367288][ T921] ? __netdev_update_features+0x9c1/0xde0
[ 20.367506][ T921] ? __warn+0xd1/0x1c0
[ 20.367671][ T921] ? __netdev_update_features+0x9c1/0xde0
[ 20.367898][ T921] ? report_bug+0x28c/0x2d0
[ 20.368118][ T921] ? handle_bug+0x54/0xa0
[ 20.368285][ T921] ? exc_invalid_op+0x18/0x50
[ 20.368502][ T921] ? asm_exc_invalid_op+0x1a/0x20
[ 20.368745][ T921] ? __netdev_update_features+0x9c1/0xde0
[ 20.368971][ T921] ? __netdev_update_features+0x9b8/0xde0
[ 20.369192][ T921] ? __pfx___netdev_update_features+0x10/0x10
[ 20.369459][ T921] ? _raw_spin_unlock_irq+0x28/0x50
[ 20.369681][ T921] ? netdev_register_kobject+0x264/0x2f0
[ 20.369924][ T921] register_netdevice+0xd46/0x1360
[ 20.370158][ T921] ? __pfx_register_netdevice+0x10/0x10
[ 20.370368][ T921] ? __debugfs_create_file+0x364/0x5b0
[ 20.370595][ T921] nsim_create+0x5b7/0x740 [netdevsim]
[ 20.370836][ T921] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 20.371105][ T921] ? mark_lock+0x38/0x3e0
[ 20.371269][ T921] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 20.371551][ T921] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 20.371836][ T921] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 20.372109][ T921] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 20.372332][ T921] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 20.372604][ T921] ? kernfs_create_link+0x173/0x240
[ 20.372832][ T921] ? kernfs_put+0x1c/0x40
[ 20.372994][ T921] ? sysfs_do_create_link_sd+0x8c/0x100
[ 20.373219][ T921] really_probe+0x1df/0x920
[ 20.373439][ T921] __driver_probe_device+0x2e6/0x3e0
[ 20.373654][ T921] driver_probe_device+0x49/0x140
[ 20.373885][ T921] __device_attach_driver+0x192/0x2b0
[ 20.374110][ T921] ? __pfx___device_attach_driver+0x10/0x10
[ 20.374369][ T921] bus_for_each_drv+0x107/0x1a0
[ 20.374582][ T921] ? __pfx_bus_for_each_drv+0x10/0x10
[ 20.374813][ T921] ? bus_to_subsys+0xd5/0x110
[ 20.375025][ T921] ? __pfx___lock_release+0x10/0x10
[ 20.375235][ T921] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 20.375453][ T921] __device_attach+0x1a3/0x3f0
[ 20.375674][ T921] ? __pfx___device_attach+0x10/0x10
[ 20.375897][ T921] ? bus_to_subsys+0xd5/0x110
[ 20.376110][ T921] ? do_raw_spin_unlock+0x58/0x220
[ 20.376334][ T921] bus_probe_device+0x133/0x180
[ 20.376550][ T921] device_add+0x99d/0x1110
[ 20.376780][ T921] ? __pfx_device_add+0x10/0x10
[ 20.376995][ T921] ? __init_waitqueue_head+0xcf/0x150
[ 20.377220][ T921] new_device_store+0x393/0x690 [netdevsim]
[ 20.377493][ T921] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 20.377790][ T921] ? __pfx_sysfs_kf_write+0x10/0x10
[ 20.378008][ T921] ? sysfs_file_ops+0x11e/0x170
[ 20.378226][ T921] ? __pfx_sysfs_kf_write+0x10/0x10
[ 20.378436][ T921] kernfs_fop_write_iter+0x2ba/0x460
[ 20.378655][ T921] vfs_write+0xa87/0x11e0
[ 20.378841][ T921] ? __pfx_vfs_write+0x10/0x10
[ 20.379061][ T921] ? __lock_release+0x103/0x460
[ 20.379269][ T921] ? do_user_addr_fault+0x972/0xe30
[ 20.379496][ T921] ? __pfx___up_read+0x10/0x10
[ 20.379715][ T921] ksys_write+0xf8/0x1d0
[ 20.379891][ T921] ? __pfx_ksys_write+0x10/0x10
[ 20.380101][ T921] ? do_user_addr_fault+0x97c/0xe30
[ 20.380323][ T921] do_syscall_64+0xc1/0x1d0
[ 20.380538][ T921] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 20.380812][ T921] RIP: 0033:0x7f704d0cab77
[ 20.381037][ T921] 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
[ 20.381790][ T921] RSP: 002b:00007ffea24ee748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 20.382112][ T921] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f704d0cab77
[ 20.382433][ T921] RDX: 0000000000000004 RSI: 000055ddf5179f80 RDI: 0000000000000001
[ 20.382764][ T921] RBP: 000055ddf5179f80 R08: 0000000000000003 R09: 0000000000000000
[ 20.383081][ T921] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000004
[ 20.383398][ T921] R13: 00007f704d186760 R14: 0000000000000004 R15: 00007f704d1819c0
[ 20.383743][ T921]
[ 20.383916][ T921] irq event stamp: 87953
[ 20.384100][ T921] hardirqs last enabled at (87963): [] __up_console_sem+0x6b/0x80
[ 20.384465][ T921] hardirqs last disabled at (87972): [] __up_console_sem+0x50/0x80
[ 20.384842][ T921] softirqs last enabled at (87030): [] handle_softirqs+0x32e/0x5c0
[ 20.385215][ T921] softirqs last disabled at (87021): [] __irq_exit_rcu+0xc4/0x100
[ 20.385580][ T921] ---[ end trace 0000000000000000 ]---
[ 20.402282][ T921] ------------[ cut here ]------------
[ 20.402780][ T921] WARNING: CPU: 2 PID: 921 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 20.403292][ T921] Modules linked in: netdevsim psample
[ 20.403550][ T921] CPU: 2 UID: 0 PID: 921 Comm: busy_poll_test. Tainted: G W 6.14.0-rc5-virtme #1
[ 20.404196][ T921] Tainted: [W]=WARN
[ 20.404417][ T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.404715][ T921] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 20.405047][ T921] 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
[ 20.405864][ T921] RSP: 0018:ffffc90002c17528 EFLAGS: 00010246
[ 20.406162][ T921] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 20.406516][ T921] RDX: 0000000000000000 RSI: ffff88800e14acd0 RDI: ffff888009ec50f8
[ 20.406874][ T921] RBP: ffffffffb9c53580 R08: 0000000000000000 R09: fffffbfff6f42504
[ 20.407208][ T921] R10: ffffffffb7a12827 R11: ffff888009ec45c0 R12: 0000000000000000
[ 20.407548][ T921] R13: ffff88800e14a130 R14: ffff88800e14a008 R15: ffff88800e14a000
[ 20.407910][ T921] FS: 00007f704cf89740(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 20.408309][ T921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.408604][ T921] CR2: 0000559a76938148 CR3: 000000000261c001 CR4: 0000000000772ef0
[ 20.408957][ T921] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.409313][ T921] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.409666][ T921] PKRU: 55555554
[ 20.409869][ T921] Call Trace:
[ 20.410052][ T921]
[ 20.410183][ T921] ? __netdev_update_features+0x9c1/0xde0
[ 20.410416][ T921] ? __warn+0xd1/0x1c0
[ 20.410603][ T921] ? __netdev_update_features+0x9c1/0xde0
[ 20.410867][ T921] ? report_bug+0x28c/0x2d0
[ 20.411119][ T921] ? handle_bug+0x54/0xa0
[ 20.411304][ T921] ? exc_invalid_op+0x18/0x50
[ 20.411536][ T921] ? asm_exc_invalid_op+0x1a/0x20
[ 20.411808][ T921] ? __netdev_update_features+0x9c1/0xde0
[ 20.412049][ T921] ? __netdev_update_features+0x9b8/0xde0
[ 20.412296][ T921] ? __pfx___netdev_update_features+0x10/0x10
[ 20.412594][ T921] ? _raw_spin_unlock_irq+0x28/0x50
[ 20.412859][ T921] ? netdev_register_kobject+0x264/0x2f0
[ 20.413106][ T921] register_netdevice+0xd46/0x1360
[ 20.413361][ T921] ? __pfx_register_netdevice+0x10/0x10
[ 20.413596][ T921] ? __debugfs_create_file+0x364/0x5b0
[ 20.413868][ T921] nsim_create+0x5b7/0x740 [netdevsim]
[ 20.414136][ T921] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 20.414445][ T921] ? mark_lock+0x38/0x3e0
[ 20.414635][ T921] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 20.414960][ T921] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 20.415260][ T921] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 20.415563][ T921] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 20.415823][ T921] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 20.416120][ T921] ? kernfs_create_link+0x173/0x240
[ 20.416357][ T921] ? kernfs_put+0x1c/0x40
[ 20.416542][ T921] ? sysfs_do_create_link_sd+0x8c/0x100
[ 20.416802][ T921] really_probe+0x1df/0x920
[ 20.417047][ T921] __driver_probe_device+0x2e6/0x3e0
[ 20.417283][ T921] driver_probe_device+0x49/0x140
[ 20.417518][ T921] __device_attach_driver+0x192/0x2b0
[ 20.417772][ T921] ? __pfx___device_attach_driver+0x10/0x10
[ 20.418061][ T921] bus_for_each_drv+0x107/0x1a0
[ 20.418299][ T921] ? __pfx_bus_for_each_drv+0x10/0x10
[ 20.418533][ T921] ? bus_to_subsys+0xd5/0x110
[ 20.418788][ T921] ? __pfx___lock_release+0x10/0x10
[ 20.419027][ T921] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 20.419278][ T921] __device_attach+0x1a3/0x3f0
[ 20.419525][ T921] ? __pfx___device_attach+0x10/0x10
[ 20.419782][ T921] ? bus_to_subsys+0xd5/0x110
[ 20.420022][ T921] ? do_raw_spin_unlock+0x58/0x220
[ 20.420264][ T921] bus_probe_device+0x133/0x180
[ 20.420503][ T921] device_add+0x99d/0x1110
[ 20.420754][ T921] ? __pfx_device_add+0x10/0x10
[ 20.420989][ T921] ? __init_waitqueue_head+0xcf/0x150
[ 20.421234][ T921] new_device_store+0x393/0x690 [netdevsim]
[ 20.421534][ T921] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 20.421849][ T921] ? __pfx_sysfs_kf_write+0x10/0x10
[ 20.422078][ T921] ? sysfs_file_ops+0x11e/0x170
[ 20.422319][ T921] ? __pfx_sysfs_kf_write+0x10/0x10
[ 20.422551][ T921] kernfs_fop_write_iter+0x2ba/0x460
[ 20.422804][ T921] vfs_write+0xa87/0x11e0
[ 20.422996][ T921] ? __pfx_vfs_write+0x10/0x10
[ 20.423235][ T921] ? find_held_lock+0x2c/0x110
[ 20.423478][ T921] ? __pfx___lock_release+0x10/0x10
[ 20.423736][ T921] ksys_write+0xf8/0x1d0
[ 20.423925][ T921] ? __pfx_ksys_write+0x10/0x10
[ 20.424182][ T921] do_syscall_64+0xc1/0x1d0
[ 20.424417][ T921] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 20.424697][ T921] RIP: 0033:0x7f704d0cab77
[ 20.424950][ T921] 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
[ 20.425709][ T921] RSP: 002b:00007ffea24ee748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 20.426060][ T921] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f704d0cab77
[ 20.426395][ T921] RDX: 0000000000000004 RSI: 000055ddf5179f80 RDI: 0000000000000001
[ 20.426743][ T921] RBP: 000055ddf5179f80 R08: 0000000000000000 R09: 00007f704d13d4e0
[ 20.427082][ T921] R10: 00007f704d13d3e0 R11: 0000000000000246 R12: 0000000000000004
[ 20.427424][ T921] R13: 00007f704d186760 R14: 0000000000000004 R15: 00007f704d1819c0
[ 20.427798][ T921]
[ 20.427981][ T921] irq event stamp: 94143
[ 20.428157][ T921] hardirqs last enabled at (94155): [] __up_console_sem+0x6b/0x80
[ 20.428544][ T921] hardirqs last disabled at (94166): [] __up_console_sem+0x50/0x80
[ 20.428948][ T921] softirqs last enabled at (93154): [] handle_softirqs+0x32e/0x5c0
[ 20.429352][ T921] softirqs last disabled at (93143): [] __irq_exit_rcu+0xc4/0x100
[ 20.429764][ T921] ---[ end trace 0000000000000000 ]---
[ 20.486022][ T923] netdevsim netdevsim479 eni479np1: renamed from eth0
[ 20.552918][ T925] netdevsim netdevsim706 eni706np1: renamed from eth1