[ 9.695763][ T252] modprobe (252) used greatest stack depth: 24224 bytes left
[ 9.714873][ T251] ------------[ cut here ]------------
[ 9.715249][ T251] WARNING: CPU: 1 PID: 251 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.715681][ T251] Modules linked in: netdevsim psample
[ 9.716009][ T251] CPU: 1 UID: 0 PID: 251 Comm: busy_poll_test. Not tainted 6.14.0-rc5-virtme #1
[ 9.716378][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.716641][ T251] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.716929][ T251] Code: 00 e8 13 47 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 5f 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
[ 9.717665][ T251] RSP: 0018:ffffc90000bb7528 EFLAGS: 00010246
[ 9.717940][ T251] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.718250][ T251] RDX: 0000000000000000 RSI: ffff888005baacd0 RDI: ffff888009fd0b78
[ 9.718567][ T251] RBP: ffffffff8ee53580 R08: 0000000000000000 R09: fffffbfff1982504
[ 9.718877][ T251] R10: ffffffff8cc12827 R11: ffff888009fd0040 R12: 0000000000000000
[ 9.719201][ T251] R13: ffff888005baa130 R14: ffff888005baa008 R15: ffff888005baa000
[ 9.719511][ T251] FS: 00007fc66730f740(0000) GS:ffff888065880000(0000) knlGS:0000000000000000
[ 9.719877][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.720156][ T251] CR2: 000055acd3780928 CR3: 000000000e3d2003 CR4: 0000000000772ef0
[ 9.720466][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.720781][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.721103][ T251] PKRU: 55555554
[ 9.721265][ T251] Call Trace:
[ 9.721430][ T251]
[ 9.721547][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 9.721757][ T251] ? __warn+0xd1/0x1c0
[ 9.721927][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 9.722137][ T251] ? report_bug+0x28c/0x2d0
[ 9.722350][ T251] ? handle_bug+0x54/0xa0
[ 9.722508][ T251] ? exc_invalid_op+0x18/0x50
[ 9.722714][ T251] ? asm_exc_invalid_op+0x1a/0x20
[ 9.722960][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 9.723169][ T251] ? __netdev_update_features+0x9b8/0xde0
[ 9.723382][ T251] ? __pfx___netdev_update_features+0x10/0x10
[ 9.723644][ T251] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.723857][ T251] ? netdev_register_kobject+0x264/0x2f0
[ 9.724078][ T251] register_netdevice+0xd46/0x1360
[ 9.724295][ T251] ? __pfx_register_netdevice+0x10/0x10
[ 9.724513][ T251] ? __debugfs_create_file+0x364/0x5b0
[ 9.724735][ T251] nsim_create+0x5b7/0x740 [netdevsim]
[ 9.724967][ T251] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.725229][ T251] ? mark_lock+0x38/0x3e0
[ 9.725390][ T251] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.725660][ T251] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.725939][ T251] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.726206][ T251] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.726422][ T251] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.726685][ T251] ? kernfs_create_link+0x173/0x240
[ 9.726904][ T251] ? kernfs_put+0x1c/0x40
[ 9.727063][ T251] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.727282][ T251] really_probe+0x1df/0x920
[ 9.727497][ T251] __driver_probe_device+0x2e6/0x3e0
[ 9.727706][ T251] driver_probe_device+0x49/0x140
[ 9.727924][ T251] __device_attach_driver+0x192/0x2b0
[ 9.728133][ T251] ? __pfx___device_attach_driver+0x10/0x10
[ 9.728386][ T251] bus_for_each_drv+0x107/0x1a0
[ 9.728593][ T251] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.728800][ T251] ? bus_to_subsys+0xd5/0x110
[ 9.729018][ T251] ? __pfx___lock_release+0x10/0x10
[ 9.729223][ T251] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.729435][ T251] __device_attach+0x1a3/0x3f0
[ 9.729640][ T251] ? __pfx___device_attach+0x10/0x10
[ 9.729844][ T251] ? bus_to_subsys+0xd5/0x110
[ 9.730061][ T251] ? do_raw_spin_unlock+0x58/0x220
[ 9.730278][ T251] bus_probe_device+0x133/0x180
[ 9.730491][ T251] device_add+0x99d/0x1110
[ 9.730699][ T251] ? __pfx_device_add+0x10/0x10
[ 9.730915][ T251] ? __init_waitqueue_head+0xcf/0x150
[ 9.731133][ T251] new_device_store+0x393/0x690 [netdevsim]
[ 9.731401][ T251] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.731667][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.731873][ T251] ? sysfs_file_ops+0x11e/0x170
[ 9.732099][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.732303][ T251] kernfs_fop_write_iter+0x2ba/0x460
[ 9.732513][ T251] vfs_write+0xa87/0x11e0
[ 9.732676][ T251] ? __pfx_vfs_write+0x10/0x10
[ 9.732886][ T251] ? __lock_release+0x103/0x460
[ 9.733103][ T251] ? do_user_addr_fault+0x972/0xe30
[ 9.733316][ T251] ? __pfx___up_read+0x10/0x10
[ 9.733534][ T251] ksys_write+0xf8/0x1d0
[ 9.733691][ T251] ? __pfx_ksys_write+0x10/0x10
[ 9.733904][ T251] ? do_user_addr_fault+0x97c/0xe30
[ 9.734119][ T251] do_syscall_64+0xc1/0x1d0
[ 9.734326][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.734586][ T251] RIP: 0033:0x7fc667450b77
[ 9.734802][ 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
[ 9.735536][ T251] RSP: 002b:00007ffeb8c5c348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.735849][ T251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc667450b77
[ 9.736164][ T251] RDX: 0000000000000004 RSI: 00005626b2fd5f80 RDI: 0000000000000001
[ 9.736474][ T251] RBP: 00005626b2fd5f80 R08: 0000000000000003 R09: 0000000000000000
[ 9.736786][ T251] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000004
[ 9.737101][ T251] R13: 00007fc66750c760 R14: 0000000000000004 R15: 00007fc6675079c0
[ 9.737428][ T251]
[ 9.737591][ T251] irq event stamp: 63533
[ 9.737752][ T251] hardirqs last enabled at (63543): [] __up_console_sem+0x6b/0x80
[ 9.738116][ T251] hardirqs last disabled at (63554): [] __up_console_sem+0x50/0x80
[ 9.738464][ T251] softirqs last enabled at (62874): [] handle_softirqs+0x32e/0x5c0
[ 9.738823][ T251] softirqs last disabled at (62855): [] __irq_exit_rcu+0xc4/0x100
[ 9.739189][ T251] ---[ end trace 0000000000000000 ]---
[ 9.763301][ T251] ------------[ cut here ]------------
[ 9.763712][ T251] WARNING: CPU: 2 PID: 251 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.764204][ T251] Modules linked in: netdevsim psample
[ 9.764439][ T251] CPU: 2 UID: 0 PID: 251 Comm: busy_poll_test. Tainted: G W 6.14.0-rc5-virtme #1
[ 9.764993][ T251] Tainted: [W]=WARN
[ 9.765185][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.765454][ T251] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.765733][ T251] Code: 00 e8 13 47 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 5f 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
[ 9.766499][ T251] RSP: 0018:ffffc90000bb7528 EFLAGS: 00010246
[ 9.766772][ T251] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.767105][ T251] RDX: 0000000000000000 RSI: ffff888005bb2cd0 RDI: ffff888009fd0b78
[ 9.767421][ T251] RBP: ffffffff8ee53580 R08: 0000000000000000 R09: fffffbfff1982504
[ 9.767745][ T251] R10: ffffffff8cc12827 R11: ffff888009fd0040 R12: 0000000000000000
[ 9.768072][ T251] R13: ffff888005bb2130 R14: ffff888005bb2008 R15: ffff888005bb2000
[ 9.768388][ T251] FS: 00007fc66730f740(0000) GS:ffff888065900000(0000) knlGS:0000000000000000
[ 9.768752][ T251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.769043][ T251] CR2: 000055acd3762080 CR3: 000000000e3d2006 CR4: 0000000000772ef0
[ 9.769361][ T251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.769678][ T251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.770003][ T251] PKRU: 55555554
[ 9.770173][ T251] Call Trace:
[ 9.770348][ T251]
[ 9.770469][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 9.770686][ T251] ? __warn+0xd1/0x1c0
[ 9.770856][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 9.771086][ T251] ? report_bug+0x28c/0x2d0
[ 9.771402][ T251] ? handle_bug+0x54/0xa0
[ 9.771574][ T251] ? exc_invalid_op+0x18/0x50
[ 9.771791][ T251] ? asm_exc_invalid_op+0x1a/0x20
[ 9.772046][ T251] ? __netdev_update_features+0x9c1/0xde0
[ 9.772266][ T251] ? __netdev_update_features+0x9b8/0xde0
[ 9.772492][ T251] ? __pfx___netdev_update_features+0x10/0x10
[ 9.772763][ T251] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.772995][ T251] ? netdev_register_kobject+0x264/0x2f0
[ 9.773239][ T251] register_netdevice+0xd46/0x1360
[ 9.773463][ T251] ? __pfx_register_netdevice+0x10/0x10
[ 9.773685][ T251] ? __debugfs_create_file+0x364/0x5b0
[ 9.773926][ T251] nsim_create+0x5b7/0x740 [netdevsim]
[ 9.774158][ T251] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.774432][ T251] ? mark_lock+0x38/0x3e0
[ 9.774619][ T251] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.774923][ T251] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.775208][ T251] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.775483][ T251] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.775715][ T251] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.775997][ T251] ? kernfs_create_link+0x173/0x240
[ 9.776220][ T251] ? kernfs_put+0x1c/0x40
[ 9.776389][ T251] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.776621][ T251] really_probe+0x1df/0x920
[ 9.776859][ T251] __driver_probe_device+0x2e6/0x3e0
[ 9.777092][ T251] driver_probe_device+0x49/0x140
[ 9.777311][ T251] __device_attach_driver+0x192/0x2b0
[ 9.777531][ T251] ? __pfx___device_attach_driver+0x10/0x10
[ 9.777796][ T251] bus_for_each_drv+0x107/0x1a0
[ 9.778026][ T251] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.778246][ T251] ? bus_to_subsys+0xd5/0x110
[ 9.778465][ T251] ? __pfx___lock_release+0x10/0x10
[ 9.778691][ T251] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.778924][ T251] __device_attach+0x1a3/0x3f0
[ 9.779146][ T251] ? __pfx___device_attach+0x10/0x10
[ 9.779363][ T251] ? bus_to_subsys+0xd5/0x110
[ 9.779583][ T251] ? do_raw_spin_unlock+0x58/0x220
[ 9.779809][ T251] bus_probe_device+0x133/0x180
[ 9.780044][ T251] device_add+0x99d/0x1110
[ 9.780268][ T251] ? __pfx_device_add+0x10/0x10
[ 9.780499][ T251] ? __init_waitqueue_head+0xcf/0x150
[ 9.780729][ T251] new_device_store+0x393/0x690 [netdevsim]
[ 9.781022][ T251] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.781305][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.781526][ T251] ? sysfs_file_ops+0x11e/0x170
[ 9.781751][ T251] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.781982][ T251] kernfs_fop_write_iter+0x2ba/0x460
[ 9.782228][ T251] vfs_write+0xa87/0x11e0
[ 9.782419][ T251] ? __pfx_vfs_write+0x10/0x10
[ 9.782646][ T251] ? find_held_lock+0x2c/0x110
[ 9.782873][ T251] ? __pfx___lock_release+0x10/0x10
[ 9.783122][ T251] ksys_write+0xf8/0x1d0
[ 9.783296][ T251] ? __pfx_ksys_write+0x10/0x10
[ 9.783531][ T251] do_syscall_64+0xc1/0x1d0
[ 9.783757][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.784061][ T251] RIP: 0033:0x7fc667450b77
[ 9.784298][ 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
[ 9.785038][ T251] RSP: 002b:00007ffeb8c5c348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.785374][ T251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc667450b77
[ 9.785692][ T251] RDX: 0000000000000004 RSI: 00005626b2fd5f80 RDI: 0000000000000001
[ 9.786022][ T251] RBP: 00005626b2fd5f80 R08: 0000000000000000 R09: 00007fc6674c34e0
[ 9.786339][ T251] R10: 00007fc6674c33e0 R11: 0000000000000246 R12: 0000000000000004
[ 9.786670][ T251] R13: 00007fc66750c760 R14: 0000000000000004 R15: 00007fc6675079c0
[ 9.787023][ T251]
[ 9.787193][ T251] irq event stamp: 73967
[ 9.787384][ T251] hardirqs last enabled at (73979): [] __up_console_sem+0x6b/0x80
[ 9.787757][ T251] hardirqs last disabled at (73990): [] __up_console_sem+0x50/0x80
[ 9.788140][ T251] softirqs last enabled at (72838): [] handle_softirqs+0x32e/0x5c0
[ 9.788508][ T251] softirqs last disabled at (72789): [] __irq_exit_rcu+0xc4/0x100
[ 9.788867][ T251] ---[ end trace 0000000000000000 ]---
[ 9.844643][ T254] netdevsim netdevsim385 eni385np1: renamed from eth0
[ 9.878567][ T255] netdevsim netdevsim679 eni679np1: renamed from eth1