[ 29.061959][ T264] ip (264) used greatest stack depth: 23760 bytes left [ 33.213512][ T52] BUG: spinlock bad magic on CPU#1, kworker/1:1/52 [ 33.213730][ T52] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/1:1/52, .owner_cpu: 1 [ 33.213983][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/1:1 Not tainted 6.10.0-virtme #1 [ 33.214209][ T52] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.214558][ T52] Workqueue: mld mld_ifc_work [ 33.214733][ T52] Call Trace: [ 33.214852][ T52] [ 33.214935][ T52] dump_stack_lvl+0xb0/0xd0 [ 33.215097][ T52] do_raw_spin_unlock+0x1ac/0x220 [ 33.215260][ T52] _raw_spin_unlock+0x23/0x40 [ 33.215422][ T52] __dev_xmit_skb+0x4ed/0x10c0 [ 33.215586][ T52] ? __pfx___dev_xmit_skb+0x10/0x10 [ 33.215751][ T52] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 33.215950][ T52] __dev_queue_xmit+0x784/0x1890 [ 33.216109][ T52] ? __lock_release+0x103/0x460 [ 33.216270][ T52] ? ip6_finish_output2+0x4ab/0xee0 [ 33.216431][ T52] ? __pfx___lock_release+0x10/0x10 [ 33.216587][ T52] ? __pfx___dev_queue_xmit+0x10/0x10 [ 33.216749][ T52] ? mark_held_locks+0x9e/0xe0 [ 33.216910][ T52] ? eth_header+0x158/0x1a0 [ 33.217068][ T52] ? neigh_resolve_output+0x409/0x7d0 [ 33.217217][ T52] ip6_finish_output2+0x4ab/0xee0 [ 33.217366][ T52] ip6_finish_output+0x4ef/0xd40 [ 33.217518][ T52] ip6_output+0x1fc/0x780 [ 33.217627][ T52] ? __pfx_ip6_output+0x10/0x10 [ 33.217775][ T52] ? lock_acquire.part.0+0xeb/0x330 [ 33.217917][ T52] ? find_held_lock+0x2c/0x110 [ 33.218057][ T52] ? __lock_release+0x103/0x460 [ 33.218209][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 33.218361][ T52] NF_HOOK.constprop.0+0xe2/0x680 [ 33.218505][ T52] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 33.218656][ T52] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 33.218845][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.219031][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 33.219181][ T52] ? __local_bh_enable_ip+0xa6/0x120 [ 33.219328][ T52] mld_sendpack+0x62d/0xbc0 [ 33.219479][ T52] ? __pfx_mld_sendpack+0x10/0x10 [ 33.219628][ T52] ? mld_send_cr+0x3a1/0x780 [ 33.219784][ T52] mld_ifc_work+0x32/0x1f0 [ 33.219933][ T52] process_one_work+0xe3b/0x1670 [ 33.220086][ T52] ? __pfx___lock_release+0x10/0x10 [ 33.220234][ T52] ? __pfx_process_one_work+0x10/0x10 [ 33.220385][ T52] ? assign_work+0x16c/0x240 [ 33.220532][ T52] worker_thread+0x587/0xce0 [ 33.220680][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.220863][ T52] ? __pfx_worker_thread+0x10/0x10 [ 33.221011][ T52] ? __pfx_worker_thread+0x10/0x10 [ 33.221160][ T52] kthread+0x28a/0x350 [ 33.221276][ T52] ? __pfx_kthread+0x10/0x10 [ 33.221430][ T52] ret_from_fork+0x31/0x70 [ 33.221581][ T52] ? __pfx_kthread+0x10/0x10 [ 33.221731][ T52] ret_from_fork_asm+0x1a/0x30 [ 33.221883][ T52] [ 35.218239][ T302] netem: version 1.3