[ 18.413460][ T280] netdevsim netdevsim2025 nsim2025: renamed from eth0 [ 18.880706][ T255] ------------[ cut here ]------------ [ 18.881282][ T255] kernel BUG at net/core/net-sysfs.c:2246! [ 18.881922][ T255] Oops: invalid opcode: 0000 [#1] SMP KASAN [ 18.882183][ T255] CPU: 3 UID: 0 PID: 255 Comm: netns-name.sh Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 18.882612][ T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.883003][ T255] RIP: 0010:netdev_release+0x6f/0x80 [ 18.883221][ T255] Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 20 48 8b bb b0 fa ff ff e8 9c 81 d1 fe 48 89 ef 5b 5d e9 62 8e d1 fe 90 <0f> 0b e8 0a 65 d8 fe eb bc e8 63 65 d8 fe eb d9 90 f3 0f 1e fa 0f [ 18.883926][ T255] RSP: 0018:ffffc90000bd78a8 EFLAGS: 00010297 [ 18.884203][ T255] RAX: 0000000000000000 RBX: ffff88800d6aa688 RCX: ffffffffb277ab51 [ 18.884497][ T255] RDX: 1ffff11001ad54cc RSI: ffffffffb2c602c0 RDI: ffff88800d6aa660 [ 18.884798][ T255] RBP: ffff88800d6aa000 R08: 0000000000000001 R09: ffffed1001ad54d8 [ 18.885088][ T255] R10: ffff88800d6aa6c3 R11: ffffc90000bd75c8 R12: ffff88800b3e2600 [ 18.885419][ T255] R13: 0000000000000000 R14: dead000000000122 R15: dead000000000100 [ 18.885703][ T255] FS: 00007f240035d000(0000) GS:ffff8880b8088000(0000) knlGS:0000000000000000 [ 18.886128][ T255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.886413][ T255] CR2: 000055efc29bd8d8 CR3: 0000000004b8c002 CR4: 0000000000772ef0 [ 18.886716][ T255] PKRU: 55555554 [ 18.886864][ T255] Call Trace: [ 18.887025][ T255] [ 18.887196][ T255] device_release+0x9c/0x210 [ 18.887471][ T255] kobject_cleanup+0xfe/0x360 [ 18.887672][ T255] netdev_run_todo+0x5f0/0xc60 [ 18.887868][ T255] ? kasan_quarantine_put+0xf9/0x210 [ 18.888066][ T255] ? lockdep_hardirqs_on+0x7c/0x110 [ 18.888265][ T255] ? generic_xdp_install+0x410/0x410 [ 18.888502][ T255] ? kfree+0x21d/0x540 [ 18.888727][ T255] nsim_destroy+0x1da/0x700 [netdevsim] [ 18.888934][ T255] __nsim_dev_port_del+0x17e/0x250 [netdevsim] [ 18.889178][ T255] nsim_dev_reload_destroy+0xdc/0x470 [netdevsim] [ 18.889465][ T255] nsim_drv_remove+0x51/0x1d0 [netdevsim] [ 18.889754][ T255] device_release_driver_internal+0x3bb/0x580 [ 18.890035][ T255] ? klist_put+0xb1/0x170 [ 18.890192][ T255] bus_remove_device+0x1ee/0x3f0 [ 18.890399][ T255] device_del+0x33b/0x8c0 [ 18.890554][ T255] ? __device_link_del+0x3c0/0x3c0 [ 18.890874][ T255] device_unregister+0x17/0xa0 [ 18.891083][ T255] del_device_store+0x2f2/0x4f0 [netdevsim] [ 18.891360][ T255] ? nsim_bus_dev_numvfs_show+0x60/0x60 [netdevsim] [ 18.891603][ T255] ? sysfs_file_kobj+0xb5/0x1f0 [ 18.891834][ T255] ? sysfs_file_kobj+0xbf/0x1f0 [ 18.892132][ T255] ? sysfs_file_ops+0x120/0x120 [ 18.892334][ T255] kernfs_fop_write_iter+0x2f2/0x490 [ 18.892538][ T255] vfs_write+0xaae/0x12c0 [ 18.892685][ T255] ? kernel_write+0x6b0/0x6b0 [ 18.892879][ T255] ? lock_vma_under_rcu+0x138/0x3d0 [ 18.893084][ T255] ? find_held_lock+0x2b/0x80 [ 18.893382][ T255] ksys_write+0xf7/0x1d0 [ 18.893574][ T255] ? __ia32_sys_read+0xb0/0xb0 [ 18.893771][ T255] ? do_user_addr_fault+0x955/0xe00 [ 18.893979][ T255] do_syscall_64+0xc1/0xfd0 [ 18.894235][ T255] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.894480][ T255] RIP: 0033:0x7f240045d257 [ 18.894744][ T255] Code: 0f 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 [ 18.895441][ T255] RSP: 002b:00007ffcc882f428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 18.895730][ T255] RAX: ffffffffffffffda RBX: 00007f2400559780 RCX: 00007f240045d257 [ 18.896028][ T255] RDX: 0000000000000005 RSI: 000055efc29bc8d0 RDI: 0000000000000001 [ 18.896333][ T255] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000 [ 18.896634][ T255] R10: 0000000000001000 R11: 0000000000000246 R12: 0000000000000005 [ 18.896922][ T255] R13: 000055efc29bc8d0 R14: 0000000000000005 R15: 00007f24005549c0 [ 18.897328][ T255] [ 18.897508][ T255] Modules linked in: netdevsim psample [ 18.898020][ T255] ---[ end trace 0000000000000000 ]--- [ 18.898216][ T255] RIP: 0010:netdev_release+0x6f/0x80 [ 18.898469][ T255] Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 20 48 8b bb b0 fa ff ff e8 9c 81 d1 fe 48 89 ef 5b 5d e9 62 8e d1 fe 90 <0f> 0b e8 0a 65 d8 fe eb bc e8 63 65 d8 fe eb d9 90 f3 0f 1e fa 0f [ 18.899312][ T255] RSP: 0018:ffffc90000bd78a8 EFLAGS: 00010297 [ 18.899570][ T255] RAX: 0000000000000000 RBX: ffff88800d6aa688 RCX: ffffffffb277ab51 [ 18.899887][ T255] RDX: 1ffff11001ad54cc RSI: ffffffffb2c602c0 RDI: ffff88800d6aa660 [ 18.900332][ T255] RBP: ffff88800d6aa000 R08: 0000000000000001 R09: ffffed1001ad54d8 [ 18.900779][ T255] R10: ffff88800d6aa6c3 R11: ffffc90000bd75c8 R12: ffff88800b3e2600 [ 18.901144][ T255] R13: 0000000000000000 R14: dead000000000122 R15: dead000000000100 [ 18.901633][ T255] FS: 00007f240035d000(0000) GS:ffff8880b8088000(0000) knlGS:0000000000000000 [ 18.902047][ T255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.902294][ T255] CR2: 000055efc29bd8d8 CR3: 0000000004b8c002 CR4: 0000000000772ef0 [ 18.902652][ T255] PKRU: 55555554 [ 18.902799][ T255] Kernel panic - not syncing: Fatal exception [ 18.903261][ T255] Kernel Offset: 0x2ee00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 18.903920][ T255] ---[ end Kernel panic - not syncing: Fatal exception ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr