[ 26.052957][ T9] BUG: spinlock bad magic on CPU#0, kworker/0:1/9 [ 26.053212][ T9] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/0:1/9, .owner_cpu: 0 [ 26.053444][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.10.0-virtme #1 [ 26.053712][ T9] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.053981][ T9] Workqueue: mld mld_ifc_work [ 26.054118][ T9] Call Trace: [ 26.054218][ T9] [ 26.054283][ T9] dump_stack_lvl+0xb0/0xd0 [ 26.054411][ T9] do_raw_spin_unlock+0x1ac/0x220 [ 26.054538][ T9] _raw_spin_unlock+0x23/0x40 [ 26.054663][ T9] __dev_xmit_skb+0x4ed/0x10c0 [ 26.054857][ T9] ? __pfx___dev_xmit_skb+0x10/0x10 [ 26.054985][ T9] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 26.055140][ T9] __dev_queue_xmit+0x794/0x18a0 [ 26.055264][ T9] ? __lock_release+0x103/0x460 [ 26.055450][ T9] ? ip6_finish_output2+0x512/0xfe0 [ 26.055582][ T9] ? __pfx___lock_release+0x10/0x10 [ 26.055712][ T9] ? __pfx___dev_queue_xmit+0x10/0x10 [ 26.055904][ T9] ? mark_held_locks+0x9e/0xe0 [ 26.056027][ T9] ? eth_header+0x158/0x1a0 [ 26.056153][ T9] ? neigh_resolve_output+0x409/0x7d0 [ 26.056280][ T9] ip6_finish_output2+0x512/0xfe0 [ 26.056407][ T9] ip6_finish_output+0x555/0xdf0 [ 26.056531][ T9] ip6_output+0x1fc/0x780 [ 26.056690][ T9] ? __pfx_ip6_output+0x10/0x10 [ 26.056814][ T9] ? lock_acquire.part.0+0xeb/0x330 [ 26.056937][ T9] ? find_held_lock+0x2c/0x110 [ 26.057061][ T9] ? __lock_release+0x103/0x460 [ 26.057249][ T9] ? icmp6_dst_alloc+0x2c0/0x450 [ 26.057375][ T9] NF_HOOK.constprop.0+0xe2/0x680 [ 26.057500][ T9] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 26.057627][ T9] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 26.057784][ T9] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.057936][ T9] ? icmp6_dst_alloc+0x2c0/0x450 [ 26.058060][ T9] ? __local_bh_enable_ip+0xa6/0x120 [ 26.058184][ T9] mld_sendpack+0x62d/0xbc0 [ 26.058377][ T9] ? __pfx_mld_sendpack+0x10/0x10 [ 26.058504][ T9] ? mld_send_cr+0x3a1/0x780 [ 26.058627][ T9] mld_ifc_work+0x32/0x1f0 [ 26.058753][ T9] process_one_work+0xe3b/0x1670 [ 26.058873][ T9] ? __pfx___lock_release+0x10/0x10 [ 26.059063][ T9] ? __pfx_process_one_work+0x10/0x10 [ 26.059188][ T9] ? assign_work+0x16c/0x240 [ 26.059312][ T9] worker_thread+0x587/0xce0 [ 26.059433][ T9] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.059586][ T9] ? __pfx_worker_thread+0x10/0x10 [ 26.059708][ T9] ? __pfx_worker_thread+0x10/0x10 [ 26.059837][ T9] kthread+0x28a/0x350 [ 26.059930][ T9] ? __pfx_kthread+0x10/0x10 [ 26.060121][ T9] ret_from_fork+0x31/0x70 [ 26.060244][ T9] ? __pfx_kthread+0x10/0x10 [ 26.060363][ T9] ret_from_fork_asm+0x1a/0x30 [ 26.060496][ T9]