[ 26.421654][ T9] BUG: spinlock bad magic on CPU#0, kworker/0:1/9 [ 26.421843][ T9] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/0:1/9, .owner_cpu: 0 [ 26.422091][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.10.0-virtme #1 [ 26.422283][ T9] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.422582][ T9] Workqueue: mld mld_ifc_work [ 26.422716][ T9] Call Trace: [ 26.422825][ T9] [ 26.422890][ T9] dump_stack_lvl+0xb0/0xd0 [ 26.423028][ T9] do_raw_spin_unlock+0x1ac/0x220 [ 26.423158][ T9] _raw_spin_unlock+0x23/0x40 [ 26.423294][ T9] __dev_xmit_skb+0x4ed/0x10c0 [ 26.423421][ T9] ? __pfx___dev_xmit_skb+0x10/0x10 [ 26.423562][ T9] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 26.423722][ T9] __dev_queue_xmit+0x794/0x18a0 [ 26.423845][ T9] ? __lock_release+0x103/0x460 [ 26.423972][ T9] ? ip6_finish_output2+0x512/0xfe0 [ 26.424097][ T9] ? __pfx___lock_release+0x10/0x10 [ 26.424227][ T9] ? __pfx___dev_queue_xmit+0x10/0x10 [ 26.424363][ T9] ? mark_held_locks+0x9e/0xe0 [ 26.424560][ T9] ? eth_header+0x158/0x1a0 [ 26.424699][ T9] ? neigh_resolve_output+0x409/0x7d0 [ 26.424828][ T9] ip6_finish_output2+0x512/0xfe0 [ 26.424954][ T9] ip6_finish_output+0x555/0xdf0 [ 26.425085][ T9] ip6_output+0x1fc/0x780 [ 26.425181][ T9] ? __pfx_ip6_output+0x10/0x10 [ 26.425311][ T9] ? lock_acquire.part.0+0xeb/0x330 [ 26.425436][ T9] ? find_held_lock+0x2c/0x110 [ 26.425633][ T9] ? __lock_release+0x103/0x460 [ 26.425760][ T9] ? icmp6_dst_alloc+0x2c0/0x450 [ 26.425888][ T9] NF_HOOK.constprop.0+0xe2/0x680 [ 26.426020][ T9] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 26.426149][ T9] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 26.426450][ T9] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.426621][ T9] ? icmp6_dst_alloc+0x2c0/0x450 [ 26.426758][ T9] ? __local_bh_enable_ip+0xa6/0x120 [ 26.426963][ T9] mld_sendpack+0x62d/0xbc0 [ 26.427100][ T9] ? __pfx_mld_sendpack+0x10/0x10 [ 26.427244][ T9] ? mld_send_cr+0x3a1/0x780 [ 26.427388][ T9] mld_ifc_work+0x32/0x1f0 [ 26.427516][ T9] process_one_work+0xe3b/0x1670 [ 26.427727][ T9] ? __pfx___lock_release+0x10/0x10 [ 26.427867][ T9] ? __pfx_process_one_work+0x10/0x10 [ 26.427999][ T9] ? assign_work+0x16c/0x240 [ 26.428134][ T9] worker_thread+0x587/0xce0 [ 26.428353][ T9] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.428520][ T9] ? __pfx_worker_thread+0x10/0x10 [ 26.428651][ T9] ? __pfx_worker_thread+0x10/0x10 [ 26.428779][ T9] kthread+0x28a/0x350 [ 26.428874][ T9] ? __pfx_kthread+0x10/0x10 [ 26.429004][ T9] ret_from_fork+0x31/0x70 [ 26.429140][ T9] ? __pfx_kthread+0x10/0x10 [ 26.429267][ T9] ret_from_fork_asm+0x1a/0x30 [ 26.429480][ T9]