[ 42.772484][ T66] BUG: spinlock bad magic on CPU#3, kworker/3:2/66 [ 42.772805][ T66] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/3:2/66, .owner_cpu: 3 [ 42.773101][ T66] CPU: 3 UID: 0 PID: 66 Comm: kworker/3:2 Not tainted 6.10.0-virtme #1 [ 42.773348][ T66] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.773709][ T66] Workqueue: mld mld_ifc_work [ 42.773869][ T66] Call Trace: [ 42.774033][ T66] [ 42.774112][ T66] dump_stack_lvl+0xb0/0xd0 [ 42.774333][ T66] do_raw_spin_unlock+0x1ac/0x220 [ 42.774576][ T66] _raw_spin_unlock+0x23/0x40 [ 42.774792][ T66] __dev_xmit_skb+0x4ed/0x10c0 [ 42.774956][ T66] ? __pfx___dev_xmit_skb+0x10/0x10 [ 42.775194][ T66] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 42.775526][ T66] __dev_queue_xmit+0x784/0x1890 [ 42.775788][ T66] ? __lock_release+0x103/0x460 [ 42.776020][ T66] ? ip6_finish_output2+0x4ab/0xf70 [ 42.776235][ T66] ? __pfx___lock_release+0x10/0x10 [ 42.776444][ T66] ? __pfx___dev_queue_xmit+0x10/0x10 [ 42.776651][ T66] ? mark_held_locks+0x9e/0xe0 [ 42.776850][ T66] ? eth_header+0x158/0x1a0 [ 42.777058][ T66] ? neigh_resolve_output+0x409/0x7d0 [ 42.777264][ T66] ip6_finish_output2+0x4ab/0xf70 [ 42.777452][ T66] ip6_finish_output+0x4ef/0xd40 [ 42.777661][ T66] ip6_output+0x1fc/0x780 [ 42.777836][ T66] ? __pfx_ip6_output+0x10/0x10 [ 42.778040][ T66] ? lock_acquire.part.0+0xeb/0x330 [ 42.778220][ T66] ? find_held_lock+0x2c/0x110 [ 42.778426][ T66] ? __lock_release+0x103/0x460 [ 42.778619][ T66] ? icmp6_dst_alloc+0x2c0/0x450 [ 42.778819][ T66] NF_HOOK.constprop.0+0xe2/0x680 [ 42.779025][ T66] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 42.779220][ T66] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 42.779479][ T66] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 42.779722][ T66] ? icmp6_dst_alloc+0x2c0/0x450 [ 42.779925][ T66] ? __local_bh_enable_ip+0xa6/0x120 [ 42.780128][ T66] mld_sendpack+0x62d/0xbc0 [ 42.780324][ T66] ? __pfx_mld_sendpack+0x10/0x10 [ 42.780528][ T66] ? mld_send_cr+0x3a1/0x780 [ 42.780741][ T66] mld_ifc_work+0x32/0x1f0 [ 42.780922][ T66] process_one_work+0xe3b/0x1670 [ 42.781143][ T66] ? __pfx___lock_release+0x10/0x10 [ 42.781360][ T66] ? __pfx_process_one_work+0x10/0x10 [ 42.781565][ T66] ? assign_work+0x16c/0x240 [ 42.781757][ T66] worker_thread+0x587/0xce0 [ 42.781951][ T66] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 42.782245][ T66] ? __pfx_worker_thread+0x10/0x10 [ 42.782439][ T66] ? __pfx_worker_thread+0x10/0x10 [ 42.782614][ T66] kthread+0x28a/0x350 [ 42.782765][ T66] ? __pfx_kthread+0x10/0x10 [ 42.782955][ T66] ret_from_fork+0x31/0x70 [ 42.783172][ T66] ? __pfx_kthread+0x10/0x10 [ 42.783408][ T66] ret_from_fork_asm+0x1a/0x30 [ 42.783578][ T66]