[ 26.466003][ T9] BUG: spinlock bad magic on CPU#0, kworker/0:1/9 [ 26.466203][ T9] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/0:1/9, .owner_cpu: 0 [ 26.466451][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.10.0-virtme #1 [ 26.466668][ T9] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.466967][ T9] Workqueue: mld mld_ifc_work [ 26.467106][ T9] Call Trace: [ 26.467213][ T9] <TASK> [ 26.467289][ T9] dump_stack_lvl+0xb0/0xd0 [ 26.467427][ T9] do_raw_spin_unlock+0x1ac/0x220 [ 26.467565][ T9] _raw_spin_unlock+0x23/0x40 [ 26.467704][ T9] __dev_xmit_skb+0x4ed/0x10c0 [ 26.467840][ T9] ? __pfx___dev_xmit_skb+0x10/0x10 [ 26.467976][ T9] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 26.468143][ T9] __dev_queue_xmit+0x794/0x18a0 [ 26.468299][ T9] ? __lock_release+0x103/0x460 [ 26.468434][ T9] ? ip6_finish_output2+0x512/0xfe0 [ 26.468566][ T9] ? __pfx___lock_release+0x10/0x10 [ 26.468698][ T9] ? __pfx___dev_queue_xmit+0x10/0x10 [ 26.468829][ T9] ? mark_held_locks+0x9e/0xe0 [ 26.468962][ T9] ? eth_header+0x158/0x1a0 [ 26.469102][ T9] ? neigh_resolve_output+0x409/0x7d0 [ 26.469239][ T9] ip6_finish_output2+0x512/0xfe0 [ 26.469375][ T9] ip6_finish_output+0x555/0xdf0 [ 26.469510][ T9] ip6_output+0x1fc/0x780 [ 26.469619][ T9] ? __pfx_ip6_output+0x10/0x10 [ 26.469752][ T9] ? lock_acquire.part.0+0xeb/0x330 [ 26.469884][ T9] ? find_held_lock+0x2c/0x110 [ 26.470024][ T9] ? __lock_release+0x103/0x460 [ 26.470161][ T9] ? icmp6_dst_alloc+0x2c0/0x450 [ 26.470296][ T9] NF_HOOK.constprop.0+0xe2/0x680 [ 26.470429][ T9] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 26.470565][ T9] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 26.470735][ T9] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.470902][ T9] ? icmp6_dst_alloc+0x2c0/0x450 [ 26.471036][ T9] ? __local_bh_enable_ip+0xa6/0x120 [ 26.471176][ T9] mld_sendpack+0x62d/0xbc0 [ 26.471310][ T9] ? __pfx_mld_sendpack+0x10/0x10 [ 26.471447][ T9] ? mld_send_cr+0x3a1/0x780 [ 26.471583][ T9] mld_ifc_work+0x32/0x1f0 [ 26.471716][ T9] process_one_work+0xe3b/0x1670 [ 26.471851][ T9] ? __pfx___lock_release+0x10/0x10 [ 26.471977][ T9] ? __pfx_process_one_work+0x10/0x10 [ 26.472102][ T9] ? assign_work+0x16c/0x240 [ 26.472241][ T9] worker_thread+0x587/0xce0 [ 26.472374][ T9] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.472611][ T9] ? __pfx_worker_thread+0x10/0x10 [ 26.472758][ T9] ? __pfx_worker_thread+0x10/0x10 [ 26.472891][ T9] kthread+0x28a/0x350 [ 26.472987][ T9] ? __pfx_kthread+0x10/0x10 [ 26.473183][ T9] ret_from_fork+0x31/0x70 [ 26.473317][ T9] ? __pfx_kthread+0x10/0x10 [ 26.473456][ T9] ret_from_fork_asm+0x1a/0x30 [ 26.473595][ T9] </TASK>