[ 9.701892][ T243] ------------[ cut here ]------------
[ 9.702326][ T243] WARNING: CPU: 3 PID: 243 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.702765][ T243] Modules linked in: netdevsim
[ 9.703131][ T243] CPU: 3 UID: 0 PID: 243 Comm: echo Not tainted 6.14.0-rc5-virtme #1
[ 9.703463][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.703734][ T243] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.704030][ T243] 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
[ 9.704794][ T243] RSP: 0018:ffffc900006e7520 EFLAGS: 00010246
[ 9.705082][ T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.705411][ T243] RDX: 0000000000000000 RSI: ffff88800ba3ac98 RDI: ffff888009352e38
[ 9.705739][ T243] RBP: ffff888009168040 R08: 0000000000000000 R09: fffffbfff327d83c
[ 9.706111][ T243] R10: ffffffff993ec1e7 R11: ffff888009352300 R12: 0000000000000000
[ 9.706435][ T243] R13: ffff88800ba3a128 R14: ffff88800ba3a008 R15: ffff88800ba3a000
[ 9.706762][ T243] FS: 00007f9ab719b740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 9.707145][ T243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.707423][ T243] CR2: 000055665715c2f8 CR3: 000000000bc82005 CR4: 0000000000772ef0
[ 9.707748][ T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.708081][ T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.708403][ T243] PKRU: 55555554
[ 9.708569][ T243] Call Trace:
[ 9.708736][ T243]
[ 9.708853][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.709085][ T243] ? __warn+0xd1/0x1c0
[ 9.709253][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.709471][ T243] ? report_bug+0x28c/0x2d0
[ 9.709698][ T243] ? handle_bug+0x54/0xa0
[ 9.709872][ T243] ? exc_invalid_op+0x18/0x50
[ 9.710116][ T243] ? asm_exc_invalid_op+0x1a/0x20
[ 9.710354][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.710585][ T243] ? __pfx___netdev_update_features+0x10/0x10
[ 9.710861][ T243] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.711093][ T243] ? netdev_register_kobject+0x264/0x2f0
[ 9.711316][ T243] register_netdevice+0xd46/0x1360
[ 9.711543][ T243] ? __pfx_register_netdevice+0x10/0x10
[ 9.711775][ T243] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.712037][ T243] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.712318][ T243] ? mark_lock+0x38/0x3e0
[ 9.712487][ T243] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.712771][ T243] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.713059][ T243] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.713339][ T243] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.713567][ T243] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.713845][ T243] ? kernfs_create_link+0x173/0x240
[ 9.714094][ T243] ? kernfs_put+0x1c/0x40
[ 9.714261][ T243] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.714488][ T243] really_probe+0x1df/0x920
[ 9.714717][ T243] __driver_probe_device+0x2e6/0x3e0
[ 9.714938][ T243] driver_probe_device+0x49/0x140
[ 9.715167][ T243] __device_attach_driver+0x192/0x2b0
[ 9.715388][ T243] ? __pfx___device_attach_driver+0x10/0x10
[ 9.715657][ T243] bus_for_each_drv+0x107/0x1a0
[ 9.715876][ T243] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.716107][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.716328][ T243] ? __pfx___lock_release+0x10/0x10
[ 9.716546][ T243] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.716767][ T243] __device_attach+0x1a3/0x3f0
[ 9.716995][ T243] ? __pfx___device_attach+0x10/0x10
[ 9.717212][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.717430][ T243] ? do_raw_spin_unlock+0x58/0x220
[ 9.717655][ T243] bus_probe_device+0x133/0x180
[ 9.717878][ T243] device_add+0x99d/0x1110
[ 9.718124][ T243] ? __pfx_device_add+0x10/0x10
[ 9.718343][ T243] ? __init_waitqueue_head+0xcf/0x150
[ 9.718573][ T243] new_device_store+0x393/0x690 [netdevsim]
[ 9.718856][ T243] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.719147][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.719370][ T243] ? sysfs_file_ops+0x11e/0x170
[ 9.719594][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.719807][ T243] kernfs_fop_write_iter+0x2ba/0x460
[ 9.720048][ T243] vfs_write+0xa87/0x11e0
[ 9.720223][ T243] ? __pfx_vfs_write+0x10/0x10
[ 9.720445][ T243] ? __lock_release+0x103/0x460
[ 9.720658][ T243] ? do_user_addr_fault+0x972/0xe30
[ 9.720889][ T243] ? __pfx___up_read+0x10/0x10
[ 9.721129][ T243] ksys_write+0xf8/0x1d0
[ 9.721295][ T243] ? __pfx_ksys_write+0x10/0x10
[ 9.721511][ T243] ? do_user_addr_fault+0x97c/0xe30
[ 9.721740][ T243] do_syscall_64+0xc1/0x1d0
[ 9.721987][ T243] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.722259][ T243] RIP: 0033:0x7f9ab72dcb77
[ 9.722489][ T243] 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
[ 9.723256][ T243] RSP: 002b:00007ffe37eb4a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.723589][ T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9ab72dcb77
[ 9.723919][ T243] RDX: 0000000000000005 RSI: 000055665715b2f0 RDI: 0000000000000001
[ 9.724253][ T243] RBP: 000055665715b2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.724585][ T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.724911][ T243] R13: 00007f9ab7398760 R14: 0000000000000005 R15: 00007f9ab73939c0
[ 9.725261][ T243]
[ 9.725432][ T243] irq event stamp: 79697
[ 9.725600][ T243] hardirqs last enabled at (79707): [] __up_console_sem+0x6b/0x80
[ 9.725997][ T243] hardirqs last disabled at (79740): [] __up_console_sem+0x50/0x80
[ 9.726375][ T243] softirqs last enabled at (79736): [] handle_softirqs+0x32e/0x5c0
[ 9.726749][ T243] softirqs last disabled at (79715): [] __irq_exit_rcu+0xc4/0x100
[ 9.727129][ T243] ---[ end trace 0000000000000000 ]---
[ 9.739227][ T243] ------------[ cut here ]------------
[ 9.739464][ T243] WARNING: CPU: 3 PID: 243 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.739898][ T243] Modules linked in: netdevsim
[ 9.740145][ T243] CPU: 3 UID: 0 PID: 243 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.740520][ T243] Tainted: [W]=WARN
[ 9.740686][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.740966][ T243] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.741239][ T243] 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
[ 9.742027][ T243] RSP: 0018:ffffc900006e7520 EFLAGS: 00010246
[ 9.742299][ T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.742619][ T243] RDX: 0000000000000000 RSI: ffff888009772c98 RDI: ffff888009352e38
[ 9.742936][ T243] RBP: ffff888009168040 R08: 0000000000000000 R09: fffffbfff327d83c
[ 9.743272][ T243] R10: ffffffff993ec1e7 R11: ffff888009352300 R12: 0000000000000000
[ 9.743589][ T243] R13: ffff888009772128 R14: ffff888009772008 R15: ffff888009772000
[ 9.743906][ T243] FS: 00007f9ab719b740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 9.744280][ T243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.744552][ T243] CR2: 000055665715c2f8 CR3: 000000000bc82005 CR4: 0000000000772ef0
[ 9.744870][ T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.745194][ T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.745512][ T243] PKRU: 55555554
[ 9.745676][ T243] Call Trace:
[ 9.745843][ T243]
[ 9.745981][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.746201][ T243] ? __warn+0xd1/0x1c0
[ 9.746371][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.746591][ T243] ? report_bug+0x28c/0x2d0
[ 9.746816][ T243] ? handle_bug+0x54/0xa0
[ 9.746992][ T243] ? exc_invalid_op+0x18/0x50
[ 9.747208][ T243] ? asm_exc_invalid_op+0x1a/0x20
[ 9.747441][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.747665][ T243] ? __pfx___netdev_update_features+0x10/0x10
[ 9.747940][ T243] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.748170][ T243] ? netdev_register_kobject+0x264/0x2f0
[ 9.748390][ T243] register_netdevice+0xd46/0x1360
[ 9.748609][ T243] ? __pfx_register_netdevice+0x10/0x10
[ 9.748836][ T243] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.749081][ T243] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.749355][ T243] ? mark_lock+0x38/0x3e0
[ 9.749521][ T243] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.749803][ T243] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.750118][ T243] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.750397][ T243] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.750626][ T243] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.750896][ T243] ? kernfs_create_link+0x173/0x240
[ 9.751127][ T243] ? kernfs_put+0x1c/0x40
[ 9.751291][ T243] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.751514][ T243] really_probe+0x1df/0x920
[ 9.751734][ T243] __driver_probe_device+0x2e6/0x3e0
[ 9.751966][ T243] driver_probe_device+0x49/0x140
[ 9.752187][ T243] __device_attach_driver+0x192/0x2b0
[ 9.752404][ T243] ? __pfx___device_attach_driver+0x10/0x10
[ 9.752671][ T243] bus_for_each_drv+0x107/0x1a0
[ 9.752890][ T243] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.753111][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.753328][ T243] ? __pfx___lock_release+0x10/0x10
[ 9.753545][ T243] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.753772][ T243] __device_attach+0x1a3/0x3f0
[ 9.754019][ T243] ? __pfx___device_attach+0x10/0x10
[ 9.754233][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.754449][ T243] ? do_raw_spin_unlock+0x58/0x220
[ 9.754674][ T243] bus_probe_device+0x133/0x180
[ 9.754894][ T243] device_add+0x99d/0x1110
[ 9.755125][ T243] ? __pfx_device_add+0x10/0x10
[ 9.755344][ T243] ? __init_waitqueue_head+0xcf/0x150
[ 9.755574][ T243] new_device_store+0x393/0x690 [netdevsim]
[ 9.755854][ T243] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.756142][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.756357][ T243] ? sysfs_file_ops+0x11e/0x170
[ 9.756580][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.756794][ T243] kernfs_fop_write_iter+0x2ba/0x460
[ 9.757028][ T243] vfs_write+0xa87/0x11e0
[ 9.757202][ T243] ? __pfx_vfs_write+0x10/0x10
[ 9.757425][ T243] ? __lock_release+0x103/0x460
[ 9.757639][ T243] ? do_user_addr_fault+0x972/0xe30
[ 9.757864][ T243] ? __pfx___up_read+0x10/0x10
[ 9.758118][ T243] ksys_write+0xf8/0x1d0
[ 9.758300][ T243] ? __pfx_ksys_write+0x10/0x10
[ 9.758517][ T243] ? do_user_addr_fault+0x97c/0xe30
[ 9.758743][ T243] do_syscall_64+0xc1/0x1d0
[ 9.758991][ T243] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.759258][ T243] RIP: 0033:0x7f9ab72dcb77
[ 9.759489][ T243] 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
[ 9.760274][ T243] RSP: 002b:00007ffe37eb4a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.760597][ T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9ab72dcb77
[ 9.760915][ T243] RDX: 0000000000000005 RSI: 000055665715b2f0 RDI: 0000000000000001
[ 9.761242][ T243] RBP: 000055665715b2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.761569][ T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.761884][ T243] R13: 00007f9ab7398760 R14: 0000000000000005 R15: 00007f9ab73939c0
[ 9.762244][ T243]
[ 9.762423][ T243] irq event stamp: 84703
[ 9.762584][ T243] hardirqs last enabled at (84713): [] __up_console_sem+0x6b/0x80
[ 9.762974][ T243] hardirqs last disabled at (84724): [] __up_console_sem+0x50/0x80
[ 9.763337][ T243] softirqs last enabled at (84688): [] handle_softirqs+0x32e/0x5c0
[ 9.763707][ T243] softirqs last disabled at (84667): [] __irq_exit_rcu+0xc4/0x100
[ 9.764086][ T243] ---[ end trace 0000000000000000 ]---
[ 9.775505][ T243] ------------[ cut here ]------------
[ 9.775735][ T243] WARNING: CPU: 3 PID: 243 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.776176][ T243] Modules linked in: netdevsim
[ 9.776400][ T243] CPU: 3 UID: 0 PID: 243 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.776778][ T243] Tainted: [W]=WARN
[ 9.776961][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.777230][ T243] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.777501][ T243] 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
[ 9.778286][ T243] RSP: 0018:ffffc900006e7520 EFLAGS: 00010246
[ 9.778564][ T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.778884][ T243] RDX: 0000000000000000 RSI: ffff888009e6ac98 RDI: ffff888009352e38
[ 9.779216][ T243] RBP: ffff888009168040 R08: 0000000000000000 R09: fffffbfff327d83c
[ 9.779534][ T243] R10: ffffffff993ec1e7 R11: ffff888009352300 R12: 0000000000000000
[ 9.779865][ T243] R13: ffff888009e6a128 R14: ffff888009e6a008 R15: ffff888009e6a000
[ 9.780200][ T243] FS: 00007f9ab719b740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 9.780572][ T243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.780840][ T243] CR2: 000055665715c2f8 CR3: 000000000bc82005 CR4: 0000000000772ef0
[ 9.781169][ T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.781490][ T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.781806][ T243] PKRU: 55555554
[ 9.781993][ T243] Call Trace:
[ 9.782157][ T243]
[ 9.782270][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.782486][ T243] ? __warn+0xd1/0x1c0
[ 9.782653][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.782876][ T243] ? report_bug+0x28c/0x2d0
[ 9.783113][ T243] ? handle_bug+0x54/0xa0
[ 9.783280][ T243] ? exc_invalid_op+0x18/0x50
[ 9.783497][ T243] ? asm_exc_invalid_op+0x1a/0x20
[ 9.783725][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.783963][ T243] ? __pfx___netdev_update_features+0x10/0x10
[ 9.784237][ T243] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.784468][ T243] ? netdev_register_kobject+0x264/0x2f0
[ 9.784688][ T243] register_netdevice+0xd46/0x1360
[ 9.784909][ T243] ? __pfx_register_netdevice+0x10/0x10
[ 9.785149][ T243] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.785381][ T243] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.785658][ T243] ? mark_lock+0x38/0x3e0
[ 9.785828][ T243] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.786139][ T243] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.786416][ T243] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.786696][ T243] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.786927][ T243] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.787213][ T243] ? kernfs_create_link+0x173/0x240
[ 9.787438][ T243] ? kernfs_put+0x1c/0x40
[ 9.787604][ T243] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.787830][ T243] really_probe+0x1df/0x920
[ 9.788063][ T243] __driver_probe_device+0x2e6/0x3e0
[ 9.788286][ T243] driver_probe_device+0x49/0x140
[ 9.788503][ T243] __device_attach_driver+0x192/0x2b0
[ 9.788723][ T243] ? __pfx___device_attach_driver+0x10/0x10
[ 9.789002][ T243] bus_for_each_drv+0x107/0x1a0
[ 9.789221][ T243] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.789433][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.789648][ T243] ? __pfx___lock_release+0x10/0x10
[ 9.789870][ T243] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.790120][ T243] __device_attach+0x1a3/0x3f0
[ 9.790332][ T243] ? __pfx___device_attach+0x10/0x10
[ 9.790550][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.790767][ T243] ? do_raw_spin_unlock+0x58/0x220
[ 9.791221][ T243] bus_probe_device+0x133/0x180
[ 9.791452][ T243] device_add+0x99d/0x1110
[ 9.791675][ T243] ? __pfx_device_add+0x10/0x10
[ 9.791889][ T243] ? __init_waitqueue_head+0xcf/0x150
[ 9.792135][ T243] new_device_store+0x393/0x690 [netdevsim]
[ 9.792426][ T243] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.792713][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.792928][ T243] ? sysfs_file_ops+0x11e/0x170
[ 9.793164][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.793381][ T243] kernfs_fop_write_iter+0x2ba/0x460
[ 9.793604][ T243] vfs_write+0xa87/0x11e0
[ 9.793778][ T243] ? __pfx_vfs_write+0x10/0x10
[ 9.794143][ T243] ? __lock_release+0x103/0x460
[ 9.794368][ T243] ? do_user_addr_fault+0x972/0xe30
[ 9.794592][ T243] ? __pfx___up_read+0x10/0x10
[ 9.794818][ T243] ksys_write+0xf8/0x1d0
[ 9.795001][ T243] ? __pfx_ksys_write+0x10/0x10
[ 9.795218][ T243] ? do_user_addr_fault+0x97c/0xe30
[ 9.795447][ T243] do_syscall_64+0xc1/0x1d0
[ 9.795665][ T243] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.795939][ T243] RIP: 0033:0x7f9ab72dcb77
[ 9.796201][ T243] 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
[ 9.796958][ T243] RSP: 002b:00007ffe37eb4a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.797284][ T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9ab72dcb77
[ 9.797606][ T243] RDX: 0000000000000005 RSI: 000055665715b2f0 RDI: 0000000000000001
[ 9.797925][ T243] RBP: 000055665715b2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.798271][ T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.798593][ T243] R13: 00007f9ab7398760 R14: 0000000000000005 R15: 00007f9ab73939c0
[ 9.798939][ T243]
[ 9.799279][ T243] irq event stamp: 89347
[ 9.799448][ T243] hardirqs last enabled at (89357): [] __up_console_sem+0x6b/0x80
[ 9.799822][ T243] hardirqs last disabled at (89366): [] __up_console_sem+0x50/0x80
[ 9.800242][ T243] softirqs last enabled at (89392): [] handle_softirqs+0x32e/0x5c0
[ 9.800626][ T243] softirqs last disabled at (89375): [] __irq_exit_rcu+0xc4/0x100
[ 9.801011][ T243] ---[ end trace 0000000000000000 ]---
[ 9.819768][ T243] ------------[ cut here ]------------
[ 9.820029][ T243] WARNING: CPU: 3 PID: 243 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.820459][ T243] Modules linked in: netdevsim
[ 9.820688][ T243] CPU: 3 UID: 0 PID: 243 Comm: echo Tainted: G W 6.14.0-rc5-virtme #1
[ 9.821082][ T243] Tainted: [W]=WARN
[ 9.821248][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.821516][ T243] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.821788][ T243] 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
[ 9.822546][ T243] RSP: 0018:ffffc900006e7520 EFLAGS: 00010246
[ 9.822816][ T243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.823144][ T243] RDX: 0000000000000000 RSI: ffff88800b472c98 RDI: ffff888009352e38
[ 9.823462][ T243] RBP: ffff888009168040 R08: 0000000000000000 R09: fffffbfff327d83c
[ 9.823782][ T243] R10: ffffffff993ec1e7 R11: ffff888009352300 R12: 0000000000000000
[ 9.824111][ T243] R13: ffff88800b472128 R14: ffff88800b472008 R15: ffff88800b472000
[ 9.824431][ T243] FS: 00007f9ab719b740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 9.824799][ T243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.825086][ T243] CR2: 000055665715c2f8 CR3: 000000000bc82005 CR4: 0000000000772ef0
[ 9.825403][ T243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.825717][ T243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.826046][ T243] PKRU: 55555554
[ 9.826208][ T243] Call Trace:
[ 9.826368][ T243]
[ 9.826483][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.826698][ T243] ? __warn+0xd1/0x1c0
[ 9.826866][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.827096][ T243] ? report_bug+0x28c/0x2d0
[ 9.827317][ T243] ? handle_bug+0x54/0xa0
[ 9.827483][ T243] ? exc_invalid_op+0x18/0x50
[ 9.827698][ T243] ? asm_exc_invalid_op+0x1a/0x20
[ 9.827926][ T243] ? __netdev_update_features+0x9c1/0xde0
[ 9.828168][ T243] ? __pfx___netdev_update_features+0x10/0x10
[ 9.828444][ T243] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.828665][ T243] ? netdev_register_kobject+0x264/0x2f0
[ 9.828888][ T243] register_netdevice+0xd46/0x1360
[ 9.829122][ T243] ? __pfx_register_netdevice+0x10/0x10
[ 9.829352][ T243] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.829588][ T243] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.829868][ T243] ? mark_lock+0x38/0x3e0
[ 9.830048][ T243] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.830329][ T243] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.830606][ T243] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.830885][ T243] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.831129][ T243] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.831399][ T243] ? kernfs_create_link+0x173/0x240
[ 9.831616][ T243] ? kernfs_put+0x1c/0x40
[ 9.831780][ T243] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.832013][ T243] really_probe+0x1df/0x920
[ 9.832248][ T243] __driver_probe_device+0x2e6/0x3e0
[ 9.832470][ T243] driver_probe_device+0x49/0x140
[ 9.832692][ T243] __device_attach_driver+0x192/0x2b0
[ 9.832911][ T243] ? __pfx___device_attach_driver+0x10/0x10
[ 9.833193][ T243] bus_for_each_drv+0x107/0x1a0
[ 9.833413][ T243] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.833625][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.833842][ T243] ? __pfx___lock_release+0x10/0x10
[ 9.834069][ T243] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.834295][ T243] __device_attach+0x1a3/0x3f0
[ 9.834509][ T243] ? __pfx___device_attach+0x10/0x10
[ 9.834722][ T243] ? bus_to_subsys+0xd5/0x110
[ 9.834940][ T243] ? do_raw_spin_unlock+0x58/0x220
[ 9.835178][ T243] bus_probe_device+0x133/0x180
[ 9.835401][ T243] device_add+0x99d/0x1110
[ 9.835625][ T243] ? __pfx_device_add+0x10/0x10
[ 9.835840][ T243] ? __init_waitqueue_head+0xcf/0x150
[ 9.836086][ T243] new_device_store+0x393/0x690 [netdevsim]
[ 9.836368][ T243] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.836649][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.836864][ T243] ? sysfs_file_ops+0x11e/0x170
[ 9.837102][ T243] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.837318][ T243] kernfs_fop_write_iter+0x2ba/0x460
[ 9.837542][ T243] vfs_write+0xa87/0x11e0
[ 9.837714][ T243] ? __pfx_vfs_write+0x10/0x10
[ 9.837934][ T243] ? __lock_release+0x103/0x460
[ 9.838161][ T243] ? do_user_addr_fault+0x972/0xe30
[ 9.838385][ T243] ? __pfx___up_read+0x10/0x10
[ 9.838610][ T243] ksys_write+0xf8/0x1d0
[ 9.838776][ T243] ? __pfx_ksys_write+0x10/0x10
[ 9.839017][ T243] ? do_user_addr_fault+0x97c/0xe30
[ 9.839252][ T243] do_syscall_64+0xc1/0x1d0
[ 9.839472][ T243] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.839742][ T243] RIP: 0033:0x7f9ab72dcb77
[ 9.839983][ T243] 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
[ 9.840731][ T243] RSP: 002b:00007ffe37eb4a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.841072][ T243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9ab72dcb77
[ 9.841397][ T243] RDX: 0000000000000005 RSI: 000055665715b2f0 RDI: 0000000000000001
[ 9.841719][ T243] RBP: 000055665715b2f0 R08: 0000000000000004 R09: 0000000000000077
[ 9.842058][ T243] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[ 9.842381][ T243] R13: 00007f9ab7398760 R14: 0000000000000005 R15: 00007f9ab73939c0
[ 9.842734][ T243]
[ 9.842898][ T243] irq event stamp: 96503
[ 9.843075][ T243] hardirqs last enabled at (96515): [] __up_console_sem+0x6b/0x80
[ 9.843451][ T243] hardirqs last disabled at (96524): [] __up_console_sem+0x50/0x80
[ 9.843827][ T243] softirqs last enabled at (96366): [] handle_softirqs+0x32e/0x5c0
[ 9.844213][ T243] softirqs last disabled at (96349): [] __irq_exit_rcu+0xc4/0x100
[ 9.844587][ T243] ---[ end trace 0000000000000000 ]---