[ 9.806426][ T245] ------------[ cut here ]------------
[ 9.806890][ T245] WARNING: CPU: 2 PID: 245 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.807502][ T245] Modules linked in: netdevsim
[ 9.807747][ T245] CPU: 2 UID: 0 PID: 245 Comm: echo Not tainted 6.14.0-rc5-virtme #1
[ 9.808107][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.808402][ T245] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.808722][ T245] 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
[ 9.809507][ T245] RSP: 0018:ffffc90000737520 EFLAGS: 00010246
[ 9.809803][ T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.810167][ T245] RDX: 0000000000000000 RSI: ffff88800d44ac98 RDI: ffff8880059d0b78
[ 9.810504][ T245] RBP: ffff88800a9b0040 R08: 0000000000000000 R09: fffffbfff31fd83c
[ 9.810849][ T245] R10: ffffffff98fec1e7 R11: ffff8880059d0040 R12: 0000000000000000
[ 9.811204][ T245] R13: ffff88800d44a128 R14: ffff88800d44a008 R15: ffff88800d44a000
[ 9.811547][ T245] FS: 00007f3a82655740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.811943][ T245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.812245][ T245] CR2: 0000561c14ee42f8 CR3: 00000000029d0002 CR4: 0000000000772ef0
[ 9.812587][ T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.812930][ T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.813290][ T245] PKRU: 55555554
[ 9.813475][ T245] Call Trace:
[ 9.813661][ T245]
[ 9.813796][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.814047][ T245] ? __warn+0xd1/0x1c0
[ 9.814232][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.814470][ T245] ? report_bug+0x28c/0x2d0
[ 9.814711][ T245] ? handle_bug+0x54/0xa0
[ 9.814892][ T245] ? exc_invalid_op+0x18/0x50
[ 9.815135][ T245] ? asm_exc_invalid_op+0x1a/0x20
[ 9.815384][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.815625][ T245] ? __pfx___netdev_update_features+0x10/0x10
[ 9.815913][ T245] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.816167][ T245] ? netdev_register_kobject+0x264/0x2f0
[ 9.816408][ T245] register_netdevice+0xd46/0x1360
[ 9.816651][ T245] ? __pfx_register_netdevice+0x10/0x10
[ 9.816895][ T245] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.817168][ T245] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.817462][ T245] ? mark_lock+0x38/0x3e0
[ 9.817646][ T245] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.817946][ T245] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.818252][ T245] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.818548][ T245] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.818795][ T245] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.819098][ T245] ? kernfs_create_link+0x173/0x240
[ 9.819340][ T245] ? kernfs_put+0x1c/0x40
[ 9.819518][ T245] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.819760][ T245] really_probe+0x1df/0x920
[ 9.819999][ T245] __driver_probe_device+0x2e6/0x3e0
[ 9.820249][ T245] driver_probe_device+0x49/0x140
[ 9.820481][ T245] __device_attach_driver+0x192/0x2b0
[ 9.820714][ T245] ? __pfx___device_attach_driver+0x10/0x10
[ 9.820995][ T245] bus_for_each_drv+0x107/0x1a0
[ 9.821241][ T245] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.821474][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.821704][ T245] ? __pfx___lock_release+0x10/0x10
[ 9.821937][ T245] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.822189][ T245] __device_attach+0x1a3/0x3f0
[ 9.822422][ T245] ? __pfx___device_attach+0x10/0x10
[ 9.822652][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.822884][ T245] ? do_raw_spin_unlock+0x58/0x220
[ 9.823144][ T245] bus_probe_device+0x133/0x180
[ 9.823388][ T245] device_add+0x99d/0x1110
[ 9.823623][ T245] ? __pfx_device_add+0x10/0x10
[ 9.823851][ T245] ? __init_waitqueue_head+0xcf/0x150
[ 9.824109][ T245] new_device_store+0x393/0x690 [netdevsim]
[ 9.824416][ T245] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.824721][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.824953][ T245] ? sysfs_file_ops+0x11e/0x170
[ 9.825203][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.825435][ T245] kernfs_fop_write_iter+0x2ba/0x460
[ 9.825673][ T245] vfs_write+0xa87/0x11e0
[ 9.825861][ T245] ? __pfx_vfs_write+0x10/0x10
[ 9.826109][ T245] ? __lock_release+0x103/0x460
[ 9.826346][ T245] ? do_user_addr_fault+0x972/0xe30
[ 9.826588][ T245] ? __pfx___up_read+0x10/0x10
[ 9.826826][ T245] ksys_write+0xf8/0x1d0
[ 9.827017][ T245] ? __pfx_ksys_write+0x10/0x10
[ 9.827260][ T245] ? do_user_addr_fault+0x97c/0xe30
[ 9.827502][ T245] do_syscall_64+0xc1/0x1d0
[ 9.827735][ T245] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.828039][ T245] RIP: 0033:0x7f3a82796b77
[ 9.828285][ T245] 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
[ 9.829056][ T245] RSP: 002b:00007ffdc851bc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.829398][ T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3a82796b77
[ 9.829743][ T245] RDX: 0000000000000005 RSI: 0000561c14ee32f0 RDI: 0000000000000001
[ 9.830092][ T245] RBP: 0000561c14ee32f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.830434][ T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.830772][ T245] R13: 00007f3a82852760 R14: 0000000000000005 R15: 00007f3a8284d9c0
[ 9.831147][ T245]
[ 9.831330][ T245] irq event stamp: 75141
[ 9.831513][ T245] hardirqs last enabled at (75153): [] __up_console_sem+0x6b/0x80
[ 9.831909][ T245] hardirqs last disabled at (75164): [] __up_console_sem+0x50/0x80
[ 9.832313][ T245] softirqs last enabled at (74032): [] handle_softirqs+0x32e/0x5c0
[ 9.832715][ T245] softirqs last disabled at (74011): [] __irq_exit_rcu+0xc4/0x100
[ 9.833117][ T245] ---[ end trace 0000000000000000 ]---
[ 9.846233][ T245] ------------[ cut here ]------------
[ 9.846520][ T245] WARNING: CPU: 2 PID: 245 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.846988][ T245] Modules linked in: netdevsim
[ 9.847249][ T245] CPU: 2 UID: 0 PID: 245 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.847641][ T245] Tainted: [W]=WARN
[ 9.847827][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.848129][ T245] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.848420][ T245] 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
[ 9.849203][ T245] RSP: 0018:ffffc90000737520 EFLAGS: 00010246
[ 9.849492][ T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.849833][ T245] RDX: 0000000000000000 RSI: ffff888004a12c98 RDI: ffff8880059d0b78
[ 9.850188][ T245] RBP: ffff88800a9b0040 R08: 0000000000000000 R09: fffffbfff31fd83c
[ 9.850526][ T245] R10: ffffffff98fec1e7 R11: ffff8880059d0040 R12: 0000000000000000
[ 9.850860][ T245] R13: ffff888004a12128 R14: ffff888004a12008 R15: ffff888004a12000
[ 9.851207][ T245] FS: 00007f3a82655740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.851594][ T245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.851879][ T245] CR2: 0000561c14ee42f8 CR3: 00000000029d0002 CR4: 0000000000772ef0
[ 9.852228][ T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.852562][ T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.852901][ T245] PKRU: 55555554
[ 9.853092][ T245] Call Trace:
[ 9.853272][ T245]
[ 9.853399][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.853630][ T245] ? __warn+0xd1/0x1c0
[ 9.853813][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.854057][ T245] ? report_bug+0x28c/0x2d0
[ 9.854297][ T245] ? handle_bug+0x54/0xa0
[ 9.854475][ T245] ? exc_invalid_op+0x18/0x50
[ 9.854713][ T245] ? asm_exc_invalid_op+0x1a/0x20
[ 9.854958][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.855217][ T245] ? __pfx___netdev_update_features+0x10/0x10
[ 9.855507][ T245] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.855747][ T245] ? netdev_register_kobject+0x264/0x2f0
[ 9.855981][ T245] register_netdevice+0xd46/0x1360
[ 9.856234][ T245] ? __pfx_register_netdevice+0x10/0x10
[ 9.856483][ T245] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.856732][ T245] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.857050][ T245] ? mark_lock+0x38/0x3e0
[ 9.857237][ T245] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.857538][ T245] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.857827][ T245] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.858140][ T245] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.858384][ T245] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.858670][ T245] ? kernfs_create_link+0x173/0x240
[ 9.858908][ T245] ? kernfs_put+0x1c/0x40
[ 9.859110][ T245] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.859349][ T245] really_probe+0x1df/0x920
[ 9.859586][ T245] __driver_probe_device+0x2e6/0x3e0
[ 9.859824][ T245] driver_probe_device+0x49/0x140
[ 9.860072][ T245] __device_attach_driver+0x192/0x2b0
[ 9.860305][ T245] ? __pfx___device_attach_driver+0x10/0x10
[ 9.860588][ T245] bus_for_each_drv+0x107/0x1a0
[ 9.860819][ T245] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.861062][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.861304][ T245] ? __pfx___lock_release+0x10/0x10
[ 9.861543][ T245] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.861777][ T245] __device_attach+0x1a3/0x3f0
[ 9.862010][ T245] ? __pfx___device_attach+0x10/0x10
[ 9.862254][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.862491][ T245] ? do_raw_spin_unlock+0x58/0x220
[ 9.862730][ T245] bus_probe_device+0x133/0x180
[ 9.862964][ T245] device_add+0x99d/0x1110
[ 9.863217][ T245] ? __pfx_device_add+0x10/0x10
[ 9.863449][ T245] ? __init_waitqueue_head+0xcf/0x150
[ 9.863693][ T245] new_device_store+0x393/0x690 [netdevsim]
[ 9.863984][ T245] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.864302][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.864533][ T245] ? sysfs_file_ops+0x11e/0x170
[ 9.864772][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.865010][ T245] kernfs_fop_write_iter+0x2ba/0x460
[ 9.865261][ T245] vfs_write+0xa87/0x11e0
[ 9.865448][ T245] ? __pfx_vfs_write+0x10/0x10
[ 9.865686][ T245] ? __lock_release+0x103/0x460
[ 9.865914][ T245] ? do_user_addr_fault+0x972/0xe30
[ 9.866168][ T245] ? __pfx___up_read+0x10/0x10
[ 9.866407][ T245] ksys_write+0xf8/0x1d0
[ 9.866591][ T245] ? __pfx_ksys_write+0x10/0x10
[ 9.866820][ T245] ? do_user_addr_fault+0x97c/0xe30
[ 9.867117][ T245] do_syscall_64+0xc1/0x1d0
[ 9.867354][ T245] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.867636][ T245] RIP: 0033:0x7f3a82796b77
[ 9.867873][ T245] 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
[ 9.868658][ T245] RSP: 002b:00007ffdc851bc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.869094][ T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3a82796b77
[ 9.869530][ T245] RDX: 0000000000000005 RSI: 0000561c14ee32f0 RDI: 0000000000000001
[ 9.869968][ T245] RBP: 0000561c14ee32f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.870320][ T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.870655][ T245] R13: 00007f3a82852760 R14: 0000000000000005 R15: 00007f3a8284d9c0
[ 9.871010][ T245]
[ 9.871201][ T245] irq event stamp: 81233
[ 9.871378][ T245] hardirqs last enabled at (81245): [] __up_console_sem+0x6b/0x80
[ 9.871770][ T245] hardirqs last disabled at (81256): [] __up_console_sem+0x50/0x80
[ 9.872172][ T245] softirqs last enabled at (81082): [] handle_softirqs+0x32e/0x5c0
[ 9.872563][ T245] softirqs last disabled at (81069): [] __irq_exit_rcu+0xc4/0x100
[ 9.872950][ T245] ---[ end trace 0000000000000000 ]---
[ 9.885297][ T245] ------------[ cut here ]------------
[ 9.885565][ T245] WARNING: CPU: 2 PID: 245 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.886009][ T245] Modules linked in: netdevsim
[ 9.886268][ T245] CPU: 2 UID: 0 PID: 245 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.886663][ T245] Tainted: [W]=WARN
[ 9.886841][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.887148][ T245] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.887440][ T245] 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
[ 9.888247][ T245] RSP: 0018:ffffc90000737520 EFLAGS: 00010246
[ 9.888539][ T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.888872][ T245] RDX: 0000000000000000 RSI: ffff88800901ac98 RDI: ffff8880059d0b78
[ 9.889224][ T245] RBP: ffff88800a9b0040 R08: 0000000000000000 R09: fffffbfff31fd83c
[ 9.889561][ T245] R10: ffffffff98fec1e7 R11: ffff8880059d0040 R12: 0000000000000000
[ 9.889902][ T245] R13: ffff88800901a128 R14: ffff88800901a008 R15: ffff88800901a000
[ 9.890251][ T245] FS: 00007f3a82655740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.890640][ T245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.890924][ T245] CR2: 0000561c14ee42f8 CR3: 00000000029d0002 CR4: 0000000000772ef0
[ 9.891277][ T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.891611][ T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.891946][ T245] PKRU: 55555554
[ 9.892148][ T245] Call Trace:
[ 9.892327][ T245]
[ 9.892453][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.892688][ T245] ? __warn+0xd1/0x1c0
[ 9.892872][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.893119][ T245] ? report_bug+0x28c/0x2d0
[ 9.893358][ T245] ? handle_bug+0x54/0xa0
[ 9.893537][ T245] ? exc_invalid_op+0x18/0x50
[ 9.893771][ T245] ? asm_exc_invalid_op+0x1a/0x20
[ 9.894018][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.894273][ T245] ? __pfx___netdev_update_features+0x10/0x10
[ 9.894568][ T245] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.894809][ T245] ? netdev_register_kobject+0x264/0x2f0
[ 9.895057][ T245] register_netdevice+0xd46/0x1360
[ 9.895297][ T245] ? __pfx_register_netdevice+0x10/0x10
[ 9.895539][ T245] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.895791][ T245] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.896113][ T245] ? mark_lock+0x38/0x3e0
[ 9.896302][ T245] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.896600][ T245] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.896895][ T245] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.897208][ T245] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.897456][ T245] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.897752][ T245] ? kernfs_create_link+0x173/0x240
[ 9.897987][ T245] ? kernfs_put+0x1c/0x40
[ 9.898175][ T245] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.898418][ T245] really_probe+0x1df/0x920
[ 9.898653][ T245] __driver_probe_device+0x2e6/0x3e0
[ 9.898886][ T245] driver_probe_device+0x49/0x140
[ 9.899566][ T245] __device_attach_driver+0x192/0x2b0
[ 9.899832][ T245] ? __pfx___device_attach_driver+0x10/0x10
[ 9.900149][ T245] bus_for_each_drv+0x107/0x1a0
[ 9.900392][ T245] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.900621][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.900855][ T245] ? __pfx___lock_release+0x10/0x10
[ 9.901108][ T245] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.901349][ T245] __device_attach+0x1a3/0x3f0
[ 9.901585][ T245] ? __pfx___device_attach+0x10/0x10
[ 9.901818][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.902067][ T245] ? do_raw_spin_unlock+0x58/0x220
[ 9.902311][ T245] bus_probe_device+0x133/0x180
[ 9.902548][ T245] device_add+0x99d/0x1110
[ 9.902784][ T245] ? __pfx_device_add+0x10/0x10
[ 9.903015][ T245] ? __init_waitqueue_head+0xcf/0x150
[ 9.903276][ T245] new_device_store+0x393/0x690 [netdevsim]
[ 9.903580][ T245] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.903880][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.904207][ T245] ? sysfs_file_ops+0x11e/0x170
[ 9.904453][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.904685][ T245] kernfs_fop_write_iter+0x2ba/0x460
[ 9.904923][ T245] vfs_write+0xa87/0x11e0
[ 9.905140][ T245] ? __pfx_vfs_write+0x10/0x10
[ 9.905377][ T245] ? __lock_release+0x103/0x460
[ 9.905606][ T245] ? do_user_addr_fault+0x972/0xe30
[ 9.905845][ T245] ? __pfx___up_read+0x10/0x10
[ 9.906102][ T245] ksys_write+0xf8/0x1d0
[ 9.906282][ T245] ? __pfx_ksys_write+0x10/0x10
[ 9.906512][ T245] ? do_user_addr_fault+0x97c/0xe30
[ 9.906750][ T245] do_syscall_64+0xc1/0x1d0
[ 9.906995][ T245] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.907290][ T245] RIP: 0033:0x7f3a82796b77
[ 9.907528][ T245] 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
[ 9.908325][ T245] RSP: 002b:00007ffdc851bc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.908667][ T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3a82796b77
[ 9.909004][ T245] RDX: 0000000000000005 RSI: 0000561c14ee32f0 RDI: 0000000000000001
[ 9.909352][ T245] RBP: 0000561c14ee32f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.909683][ T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.910058][ T245] R13: 00007f3a82852760 R14: 0000000000000005 R15: 00007f3a8284d9c0
[ 9.910417][ T245]
[ 9.910595][ T245] irq event stamp: 86121
[ 9.910770][ T245] hardirqs last enabled at (86133): [] __up_console_sem+0x6b/0x80
[ 9.911167][ T245] hardirqs last disabled at (86146): [] __up_console_sem+0x50/0x80
[ 9.911552][ T245] softirqs last enabled at (86096): [] handle_softirqs+0x32e/0x5c0
[ 9.911937][ T245] softirqs last disabled at (86079): [] __irq_exit_rcu+0xc4/0x100
[ 9.912340][ T245] ---[ end trace 0000000000000000 ]---
[ 9.932978][ T245] ------------[ cut here ]------------
[ 9.933336][ T245] WARNING: CPU: 2 PID: 245 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.933789][ T245] Modules linked in: netdevsim
[ 9.934058][ T245] CPU: 2 UID: 0 PID: 245 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.934502][ T245] Tainted: [W]=WARN
[ 9.934686][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.934967][ T245] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.935312][ T245] 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
[ 9.936086][ T245] RSP: 0018:ffffc90000737520 EFLAGS: 00010246
[ 9.936375][ T245] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.936705][ T245] RDX: 0000000000000000 RSI: ffff888008beac98 RDI: ffff8880059d0b78
[ 9.937061][ T245] RBP: ffff88800a9b0040 R08: 0000000000000000 R09: fffffbfff31fd83c
[ 9.937394][ T245] R10: ffffffff98fec1e7 R11: ffff8880059d0040 R12: 0000000000000000
[ 9.937727][ T245] R13: ffff888008bea128 R14: ffff888008bea008 R15: ffff888008bea000
[ 9.938085][ T245] FS: 00007f3a82655740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 9.938468][ T245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.938758][ T245] CR2: 0000561c14ee42f8 CR3: 00000000029d0002 CR4: 0000000000772ef0
[ 9.939108][ T245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.939441][ T245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.939775][ T245] PKRU: 55555554
[ 9.939950][ T245] Call Trace:
[ 9.940164][ T245]
[ 9.940303][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.940535][ T245] ? __warn+0xd1/0x1c0
[ 9.940720][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.940952][ T245] ? report_bug+0x28c/0x2d0
[ 9.941205][ T245] ? handle_bug+0x54/0xa0
[ 9.941391][ T245] ? exc_invalid_op+0x18/0x50
[ 9.941623][ T245] ? asm_exc_invalid_op+0x1a/0x20
[ 9.941865][ T245] ? __netdev_update_features+0x9c1/0xde0
[ 9.942126][ T245] ? __pfx___netdev_update_features+0x10/0x10
[ 9.942414][ T245] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.942654][ T245] ? netdev_register_kobject+0x264/0x2f0
[ 9.942890][ T245] register_netdevice+0xd46/0x1360
[ 9.943163][ T245] ? __pfx_register_netdevice+0x10/0x10
[ 9.943406][ T245] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.943661][ T245] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.943950][ T245] ? mark_lock+0x38/0x3e0
[ 9.944143][ T245] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.944441][ T245] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.944731][ T245] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.945035][ T245] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.945283][ T245] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.945571][ T245] ? kernfs_create_link+0x173/0x240
[ 9.945806][ T245] ? kernfs_put+0x1c/0x40
[ 9.945985][ T245] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.946246][ T245] really_probe+0x1df/0x920
[ 9.946488][ T245] __driver_probe_device+0x2e6/0x3e0
[ 9.946721][ T245] driver_probe_device+0x49/0x140
[ 9.946967][ T245] __device_attach_driver+0x192/0x2b0
[ 9.947217][ T245] ? __pfx___device_attach_driver+0x10/0x10
[ 9.947500][ T245] bus_for_each_drv+0x107/0x1a0
[ 9.947732][ T245] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.947961][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.948228][ T245] ? __pfx___lock_release+0x10/0x10
[ 9.948458][ T245] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.948698][ T245] __device_attach+0x1a3/0x3f0
[ 9.948933][ T245] ? __pfx___device_attach+0x10/0x10
[ 9.949176][ T245] ? bus_to_subsys+0xd5/0x110
[ 9.949418][ T245] ? do_raw_spin_unlock+0x58/0x220
[ 9.949656][ T245] bus_probe_device+0x133/0x180
[ 9.949891][ T245] device_add+0x99d/0x1110
[ 9.950140][ T245] ? __pfx_device_add+0x10/0x10
[ 9.950370][ T245] ? __init_waitqueue_head+0xcf/0x150
[ 9.950613][ T245] new_device_store+0x393/0x690 [netdevsim]
[ 9.950912][ T245] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.951244][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.951478][ T245] ? sysfs_file_ops+0x11e/0x170
[ 9.951715][ T245] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.951945][ T245] kernfs_fop_write_iter+0x2ba/0x460
[ 9.952202][ T245] vfs_write+0xa87/0x11e0
[ 9.952392][ T245] ? __pfx_vfs_write+0x10/0x10
[ 9.952629][ T245] ? __lock_release+0x103/0x460
[ 9.952856][ T245] ? do_user_addr_fault+0x972/0xe30
[ 9.953107][ T245] ? __pfx___up_read+0x10/0x10
[ 9.953342][ T245] ksys_write+0xf8/0x1d0
[ 9.953525][ T245] ? __pfx_ksys_write+0x10/0x10
[ 9.953752][ T245] ? do_user_addr_fault+0x97c/0xe30
[ 9.953999][ T245] do_syscall_64+0xc1/0x1d0
[ 9.954257][ T245] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.954538][ T245] RIP: 0033:0x7f3a82796b77
[ 9.954773][ T245] 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
[ 9.955550][ T245] RSP: 002b:00007ffdc851bc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.955892][ T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3a82796b77
[ 9.956261][ T245] RDX: 0000000000000005 RSI: 0000561c14ee32f0 RDI: 0000000000000001
[ 9.956595][ T245] RBP: 0000561c14ee32f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.956933][ T245] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.957291][ T245] R13: 00007f3a82852760 R14: 0000000000000005 R15: 00007f3a8284d9c0
[ 9.957652][ T245]
[ 9.957830][ T245] irq event stamp: 94835
[ 9.958007][ T245] hardirqs last enabled at (94847): [] __up_console_sem+0x6b/0x80
[ 9.958411][ T245] hardirqs last disabled at (94870): [] __up_console_sem+0x50/0x80
[ 9.958797][ T245] softirqs last enabled at (94866): [] handle_softirqs+0x32e/0x5c0
[ 9.959222][ T245] softirqs last disabled at (94891): [] __irq_exit_rcu+0xc4/0x100
[ 9.959608][ T245] ---[ end trace 0000000000000000 ]---