[ 26.201544][ C0] BUG: spinlock bad magic on CPU#0, ip/255 [ 26.201829][ C0] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: ip/255, .owner_cpu: 0 [ 26.202116][ C0] CPU: 0 UID: 0 PID: 255 Comm: ip Not tainted 6.10.0-virtme #1 [ 26.202350][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.202687][ C0] Call Trace: [ 26.202807][ C0] [ 26.202890][ C0] dump_stack_lvl+0xb0/0xd0 [ 26.203062][ C0] do_raw_spin_unlock+0x1ac/0x220 [ 26.203218][ C0] _raw_spin_unlock+0x23/0x40 [ 26.203373][ C0] net_tx_action+0x424/0x680 [ 26.203547][ C0] handle_softirqs+0x1f9/0x5c0 [ 26.203702][ C0] ? dev_deactivate_many+0x1e2/0x8d0 [ 26.203865][ C0] do_softirq+0x4d/0xa0 [ 26.203989][ C0] [ 26.204067][ C0] [ 26.204142][ C0] __local_bh_enable_ip+0xf6/0x120 [ 26.204291][ C0] dev_deactivate_many+0x1e7/0x8d0 [ 26.204443][ C0] __dev_close_many+0x12b/0x2d0 [ 26.204594][ C0] ? __pfx___dev_close_many+0x10/0x10 [ 26.204744][ C0] ? __lock_release+0x103/0x460 [ 26.204895][ C0] ? vxlan_flush+0x6ed/0xb30 [vxlan] [ 26.205088][ C0] dev_close_many+0x202/0x650 [ 26.205236][ C0] ? mark_held_locks+0x9e/0xe0 [ 26.205387][ C0] ? __pfx_dev_close_many+0x10/0x10 [ 26.205537][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.205723][ C0] ? vxlan_flush+0x6ed/0xb30 [vxlan] [ 26.205881][ C0] ? __local_bh_enable_ip+0xa6/0x120 [ 26.206035][ C0] unregister_netdevice_many_notify+0x8e5/0x1570 [ 26.206228][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.206381][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 26.206565][ C0] ? vxlan_dellink+0x1b9/0x2f0 [vxlan] [ 26.206727][ C0] ? mark_lock+0x38/0x3e0 [ 26.206839][ C0] ? __nla_validate_parse+0x48/0x3d0 [ 26.207005][ C0] rtnl_dellink+0x32c/0xa50 [ 26.207155][ C0] ? hlock_class+0x4e/0x130 [ 26.207307][ C0] ? __pfx_rtnl_dellink+0x10/0x10 [ 26.207474][ C0] ? trace_contention_end+0xeb/0x150 [ 26.207626][ C0] ? __mutex_lock+0x170/0xac0 [ 26.207777][ C0] ? find_held_lock+0x2c/0x110 [ 26.207927][ C0] ? rtnetlink_rcv_msg+0x2af/0xc10 [ 26.208087][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 26.208238][ C0] ? __pfx___lock_release+0x10/0x10 [ 26.208389][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.208541][ C0] ? trace_lock_acquire+0x14d/0x1f0 [ 26.208698][ C0] rtnetlink_rcv_msg+0x2fb/0xc10 [ 26.208848][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.208998][ C0] ? hlock_class+0x4e/0x130 [ 26.209158][ C0] ? mark_lock+0x38/0x3e0 [ 26.209272][ C0] ? __lock_acquire+0xb35/0x1560 [ 26.209422][ C0] netlink_rcv_skb+0x130/0x360 [ 26.209574][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.209724][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.209881][ C0] ? netlink_deliver_tap+0x13e/0x340 [ 26.210036][ C0] ? netlink_deliver_tap+0xc3/0x340 [ 26.210187][ C0] netlink_unicast+0x44b/0x710 [ 26.210340][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 26.210489][ C0] ? find_held_lock+0x2c/0x110 [ 26.210642][ C0] netlink_sendmsg+0x723/0xbe0 [ 26.210792][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.210943][ C0] ? __might_fault+0xc3/0x170 [ 26.211114][ C0] ? __import_iovec+0x35d/0x5d0 [ 26.211268][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 26.211421][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.211574][ C0] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.211765][ C0] ? __pfx_validate_chain+0x10/0x10 [ 26.211919][ C0] ___sys_sendmsg+0xee/0x170 [ 26.212086][ C0] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.212238][ C0] ? find_held_lock+0x2c/0x110 [ 26.212393][ C0] ? __lock_release+0x103/0x460 [ 26.212542][ C0] ? __debug_check_no_obj_freed+0x253/0x520 [ 26.212729][ C0] ? __pfx___lock_release+0x10/0x10 [ 26.212880][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 26.213032][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.213224][ C0] ? __fget_light+0x53/0x1e0 [ 26.213378][ C0] __sys_sendmsg+0xcd/0x170 [ 26.213537][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.213690][ C0] ? __virt_addr_valid+0x230/0x430 [ 26.213844][ C0] do_syscall_64+0xc1/0x1d0 [ 26.213996][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.214196][ C0] RIP: 0033:0x7f31273367b7 [ 26.214355][ C0] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 26.214889][ C0] RSP: 002b:00007fff7b4411d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.215130][ C0] RAX: ffffffffffffffda RBX: 00007fff7b441900 RCX: 00007f31273367b7 [ 26.215358][ C0] RDX: 0000000000000000 RSI: 00007fff7b441240 RDI: 0000000000000005 [ 26.215585][ C0] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 26.215810][ C0] R10: 00007f31271f4ef8 R11: 0000000000000246 R12: 0000000000000002 [ 26.216038][ C0] R13: 0000000066ab9429 R14: 0000000000496600 R15: 0000000000000000 [ 26.216279][ C0]