[ 25.658912][ T253] ip (253) used greatest stack depth: 24064 bytes left [ 31.900799][ T52] BUG: spinlock bad magic on CPU#1, kworker/1:1/52 [ 31.900980][ T52] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/1:1/52, .owner_cpu: 1 [ 31.901214][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/1:1 Not tainted 6.10.0-virtme #1 [ 31.901405][ T52] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.901680][ T52] Workqueue: mld mld_ifc_work [ 31.901815][ T52] Call Trace: [ 31.901917][ T52] [ 31.901983][ T52] dump_stack_lvl+0xb0/0xd0 [ 31.902109][ T52] do_raw_spin_unlock+0x1ac/0x220 [ 31.902235][ T52] _raw_spin_unlock+0x23/0x40 [ 31.902359][ T52] __dev_xmit_skb+0x4ed/0x10c0 [ 31.902484][ T52] ? __pfx___dev_xmit_skb+0x10/0x10 [ 31.902609][ T52] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 31.902769][ T52] __dev_queue_xmit+0x784/0x1890 [ 31.902893][ T52] ? __lock_release+0x103/0x460 [ 31.903017][ T52] ? ip6_finish_output2+0x4ab/0xee0 [ 31.903139][ T52] ? __pfx___lock_release+0x10/0x10 [ 31.903263][ T52] ? __pfx___dev_queue_xmit+0x10/0x10 [ 31.903389][ T52] ? mark_held_locks+0x9e/0xe0 [ 31.903510][ T52] ? eth_header+0x158/0x1a0 [ 31.903639][ T52] ? neigh_resolve_output+0x409/0x7d0 [ 31.903763][ T52] ip6_finish_output2+0x4ab/0xee0 [ 31.903885][ T52] ip6_finish_output+0x4ef/0xd40 [ 31.904007][ T52] ip6_output+0x1fc/0x780 [ 31.904105][ T52] ? __pfx_ip6_output+0x10/0x10 [ 31.904229][ T52] ? lock_acquire.part.0+0xeb/0x330 [ 31.904348][ T52] ? find_held_lock+0x2c/0x110 [ 31.904475][ T52] ? __lock_release+0x103/0x460 [ 31.904599][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 31.904724][ T52] NF_HOOK.constprop.0+0xe2/0x680 [ 31.904846][ T52] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 31.904969][ T52] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 31.905121][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.905272][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 31.905394][ T52] ? __local_bh_enable_ip+0xa6/0x120 [ 31.905519][ T52] mld_sendpack+0x62d/0xbc0 [ 31.905643][ T52] ? __pfx_mld_sendpack+0x10/0x10 [ 31.905767][ T52] ? mld_send_cr+0x3a1/0x780 [ 31.905890][ T52] mld_ifc_work+0x32/0x1f0 [ 31.906024][ T52] process_one_work+0xe3b/0x1670 [ 31.906152][ T52] ? __pfx___lock_release+0x10/0x10 [ 31.906272][ T52] ? __pfx_process_one_work+0x10/0x10 [ 31.906468][ T52] ? assign_work+0x16c/0x240 [ 31.906591][ T52] worker_thread+0x587/0xce0 [ 31.906778][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.906996][ T52] ? __pfx_worker_thread+0x10/0x10 [ 31.907182][ T52] ? __pfx_worker_thread+0x10/0x10 [ 31.907369][ T52] kthread+0x28a/0x350 [ 31.907528][ T52] ? __pfx_kthread+0x10/0x10 [ 31.907650][ T52] ret_from_fork+0x31/0x70 [ 31.907775][ T52] ? __pfx_kthread+0x10/0x10 [ 31.907897][ T52] ret_from_fork_asm+0x1a/0x30 [ 31.908023][ T52] [ 33.596056][ T302] netem: version 1.3