[ 30.394206][ T51] BUG: spinlock bad magic on CPU#2, kworker/2:1/51 [ 30.394412][ T51] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/2:1/51, .owner_cpu: 2 [ 30.394647][ T51] CPU: 2 UID: 0 PID: 51 Comm: kworker/2:1 Not tainted 6.10.0-virtme #1 [ 30.394836][ T51] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.395122][ T51] Workqueue: mld mld_ifc_work [ 30.395259][ T51] Call Trace: [ 30.395359][ T51] [ 30.395428][ T51] dump_stack_lvl+0xb0/0xd0 [ 30.395556][ T51] do_raw_spin_unlock+0x1ac/0x220 [ 30.395680][ T51] _raw_spin_unlock+0x23/0x40 [ 30.395808][ T51] __dev_xmit_skb+0x4ed/0x10c0 [ 30.395971][ T51] ? __pfx___dev_xmit_skb+0x10/0x10 [ 30.396095][ T51] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 30.396249][ T51] __dev_queue_xmit+0x784/0x1890 [ 30.396376][ T51] ? __lock_release+0x103/0x460 [ 30.396498][ T51] ? ip6_finish_output2+0x4ab/0xf70 [ 30.396624][ T51] ? __pfx___lock_release+0x10/0x10 [ 30.396748][ T51] ? __pfx___dev_queue_xmit+0x10/0x10 [ 30.396873][ T51] ? mark_held_locks+0x9e/0xe0 [ 30.397002][ T51] ? eth_header+0x158/0x1a0 [ 30.397130][ T51] ? neigh_resolve_output+0x409/0x7d0 [ 30.397256][ T51] ip6_finish_output2+0x4ab/0xf70 [ 30.397379][ T51] ip6_finish_output+0x4ef/0xd40 [ 30.397506][ T51] ip6_output+0x1fc/0x780 [ 30.397625][ T51] ? __pfx_ip6_output+0x10/0x10 [ 30.397748][ T51] ? lock_acquire.part.0+0xeb/0x330 [ 30.397871][ T51] ? find_held_lock+0x2c/0x110 [ 30.398002][ T51] ? __lock_release+0x103/0x460 [ 30.398126][ T51] ? icmp6_dst_alloc+0x2c0/0x450 [ 30.398251][ T51] NF_HOOK.constprop.0+0xe2/0x680 [ 30.398379][ T51] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 30.398501][ T51] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 30.398657][ T51] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 30.398817][ T51] ? icmp6_dst_alloc+0x2c0/0x450 [ 30.398945][ T51] ? __local_bh_enable_ip+0xa6/0x120 [ 30.399072][ T51] mld_sendpack+0x62d/0xbc0 [ 30.399195][ T51] ? __pfx_mld_sendpack+0x10/0x10 [ 30.399322][ T51] ? mld_send_cr+0x3a1/0x780 [ 30.399446][ T51] mld_ifc_work+0x32/0x1f0 [ 30.399578][ T51] process_one_work+0xe3b/0x1670 [ 30.399714][ T51] ? __pfx___lock_release+0x10/0x10 [ 30.399841][ T51] ? __pfx_process_one_work+0x10/0x10 [ 30.400007][ T51] ? assign_work+0x16c/0x240 [ 30.400133][ T51] worker_thread+0x587/0xce0 [ 30.400258][ T51] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 30.400430][ T51] ? __pfx_worker_thread+0x10/0x10 [ 30.400553][ T51] ? __pfx_worker_thread+0x10/0x10 [ 30.400685][ T51] kthread+0x28a/0x350 [ 30.400784][ T51] ? __pfx_kthread+0x10/0x10 [ 30.400942][ T51] ret_from_fork+0x31/0x70 [ 30.401095][ T51] ? __pfx_kthread+0x10/0x10 [ 30.401218][ T51] ret_from_fork_asm+0x1a/0x30 [ 30.401347][ T51]