[ 28.297699][ T8] BUG: spinlock bad magic on CPU#0, kworker/0:0/8 [ 28.297926][ T8] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/0:0/8, .owner_cpu: 0 [ 28.298150][ T8] CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.10.0-virtme #1 [ 28.298343][ T8] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.298704][ T8] Workqueue: mld mld_ifc_work [ 28.298882][ T8] Call Trace: [ 28.299006][ T8] [ 28.299095][ T8] dump_stack_lvl+0xb0/0xd0 [ 28.299316][ T8] do_raw_spin_unlock+0x1ac/0x220 [ 28.299468][ T8] _raw_spin_unlock+0x23/0x40 [ 28.299640][ T8] __dev_xmit_skb+0x4ed/0x10c0 [ 28.299828][ T8] ? __pfx___dev_xmit_skb+0x10/0x10 [ 28.299994][ T8] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 28.300203][ T8] ? __dev_queue_xmit+0x1f6/0x17e0 [ 28.300376][ T8] __dev_queue_xmit+0x720/0x17e0 [ 28.300528][ T8] ? __lock_release+0x103/0x460 [ 28.300699][ T8] ? ip6_finish_output2+0x4ae/0xee0 [ 28.300874][ T8] ? __pfx___lock_release+0x10/0x10 [ 28.301029][ T8] ? __pfx___dev_queue_xmit+0x10/0x10 [ 28.301187][ T8] ? mark_held_locks+0x9e/0xe0 [ 28.301352][ T8] ? eth_header+0x158/0x1a0 [ 28.301541][ T8] ? neigh_resolve_output+0x409/0x7d0 [ 28.301696][ T8] ip6_finish_output2+0x4ae/0xee0 [ 28.301849][ T8] ip6_finish_output.constprop.0+0x284/0xa40 [ 28.302065][ T8] mld_sendpack+0x641/0xee0 [ 28.302281][ T8] ? __pfx_mld_sendpack+0x10/0x10 [ 28.302435][ T8] ? mld_send_cr+0x3a1/0x780 [ 28.302588][ T8] mld_ifc_work+0x32/0x1f0 [ 28.302761][ T8] process_one_work+0xe3b/0x1670 [ 28.302952][ T8] ? __pfx___lock_release+0x10/0x10 [ 28.303107][ T8] ? __pfx_process_one_work+0x10/0x10 [ 28.303258][ T8] ? assign_work+0x16c/0x240 [ 28.303418][ T8] worker_thread+0x587/0xce0 [ 28.303608][ T8] ? __pfx_worker_thread+0x10/0x10 [ 28.303765][ T8] kthread+0x28a/0x350 [ 28.303876][ T8] ? __pfx_kthread+0x10/0x10 [ 28.304021][ T8] ret_from_fork+0x31/0x70 [ 28.304152][ T8] ? __pfx_kthread+0x10/0x10 [ 28.304276][ T8] ret_from_fork_asm+0x1a/0x30 [ 28.304404][ T8]