[ 26.621047][ T8] BUG: spinlock bad magic on CPU#0, kworker/0:0/8 [ 26.621243][ T8] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/0:0/8, .owner_cpu: 0 [ 26.621484][ T8] CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.10.0-virtme #1 [ 26.621679][ T8] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.621954][ T8] Workqueue: mld mld_ifc_work [ 26.622093][ T8] Call Trace: [ 26.622194][ T8] [ 26.622260][ T8] dump_stack_lvl+0xb0/0xd0 [ 26.622387][ T8] do_raw_spin_unlock+0x1ac/0x220 [ 26.622510][ T8] _raw_spin_unlock+0x23/0x40 [ 26.622636][ T8] __dev_xmit_skb+0x4ed/0x10c0 [ 26.622764][ T8] ? __pfx___dev_xmit_skb+0x10/0x10 [ 26.622896][ T8] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 26.623051][ T8] ? __dev_queue_xmit+0x1f6/0x17e0 [ 26.623180][ T8] __dev_queue_xmit+0x720/0x17e0 [ 26.623304][ T8] ? __lock_release+0x103/0x460 [ 26.623428][ T8] ? ip6_finish_output2+0x4ae/0xee0 [ 26.623552][ T8] ? __pfx___lock_release+0x10/0x10 [ 26.623677][ T8] ? __pfx___dev_queue_xmit+0x10/0x10 [ 26.623804][ T8] ? mark_held_locks+0x9e/0xe0 [ 26.623939][ T8] ? eth_header+0x158/0x1a0 [ 26.624072][ T8] ? neigh_resolve_output+0x409/0x7d0 [ 26.624209][ T8] ip6_finish_output2+0x4ae/0xee0 [ 26.624338][ T8] ip6_finish_output.constprop.0+0x284/0xa40 [ 26.624489][ T8] mld_sendpack+0x641/0xee0 [ 26.624634][ T8] ? __pfx_mld_sendpack+0x10/0x10 [ 26.624760][ T8] ? mld_send_cr+0x3a1/0x780 [ 26.624882][ T8] mld_ifc_work+0x32/0x1f0 [ 26.625012][ T8] process_one_work+0xe3b/0x1670 [ 26.625149][ T8] ? __pfx___lock_release+0x10/0x10 [ 26.625277][ T8] ? __pfx_process_one_work+0x10/0x10 [ 26.625410][ T8] ? assign_work+0x16c/0x240 [ 26.625532][ T8] worker_thread+0x587/0xce0 [ 26.625665][ T8] ? __pfx_worker_thread+0x10/0x10 [ 26.625791][ T8] kthread+0x28a/0x350 [ 26.625896][ T8] ? __pfx_kthread+0x10/0x10 [ 26.626021][ T8] ret_from_fork+0x31/0x70 [ 26.626145][ T8] ? __pfx_kthread+0x10/0x10 [ 26.626274][ T8] ret_from_fork_asm+0x1a/0x30 [ 26.626409][ T8]