[ 25.103005][ T250] ip (250) used greatest stack depth: 24064 bytes left [ 31.725814][ T51] BUG: spinlock bad magic on CPU#3, kworker/3:1/51 [ 31.726007][ T51] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/3:1/51, .owner_cpu: 3 [ 31.726252][ T51] CPU: 3 UID: 0 PID: 51 Comm: kworker/3:1 Not tainted 6.10.0-virtme #1 [ 31.726438][ T51] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.726727][ T51] Workqueue: mld mld_ifc_work [ 31.726865][ T51] Call Trace: [ 31.726988][ T51] [ 31.727053][ T51] dump_stack_lvl+0xb0/0xd0 [ 31.727199][ T51] do_raw_spin_unlock+0x1ac/0x220 [ 31.727329][ T51] _raw_spin_unlock+0x23/0x40 [ 31.727462][ T51] __dev_xmit_skb+0x4ed/0x10c0 [ 31.727589][ T51] ? __pfx___dev_xmit_skb+0x10/0x10 [ 31.727725][ T51] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 31.727882][ T51] __dev_queue_xmit+0x784/0x1890 [ 31.728013][ T51] ? __lock_release+0x103/0x460 [ 31.728145][ T51] ? ip6_finish_output2+0x4ab/0xee0 [ 31.728285][ T51] ? __pfx___lock_release+0x10/0x10 [ 31.728414][ T51] ? __pfx___dev_queue_xmit+0x10/0x10 [ 31.728540][ T51] ? mark_held_locks+0x9e/0xe0 [ 31.728664][ T51] ? eth_header+0x158/0x1a0 [ 31.728790][ T51] ? neigh_resolve_output+0x409/0x7d0 [ 31.728920][ T51] ip6_finish_output2+0x4ab/0xee0 [ 31.729048][ T51] ip6_finish_output+0x4ef/0xd40 [ 31.729200][ T51] ip6_output+0x1fc/0x780 [ 31.729300][ T51] ? __pfx_ip6_output+0x10/0x10 [ 31.729435][ T51] ? lock_acquire.part.0+0xeb/0x330 [ 31.729562][ T51] ? find_held_lock+0x2c/0x110 [ 31.729688][ T51] ? __lock_release+0x103/0x460 [ 31.729811][ T51] ? icmp6_dst_alloc+0x2c0/0x450 [ 31.729941][ T51] NF_HOOK.constprop.0+0xe2/0x680 [ 31.730125][ T51] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 31.730307][ T51] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 31.730527][ T51] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.730745][ T51] ? icmp6_dst_alloc+0x2c0/0x450 [ 31.730930][ T51] ? __local_bh_enable_ip+0xa6/0x120 [ 31.731059][ T51] mld_sendpack+0x62d/0xbc0 [ 31.731242][ T51] ? __pfx_mld_sendpack+0x10/0x10 [ 31.731438][ T51] ? mld_send_cr+0x3a1/0x780 [ 31.731626][ T51] mld_ifc_work+0x32/0x1f0 [ 31.731823][ T51] process_one_work+0xe3b/0x1670 [ 31.732017][ T51] ? __pfx___lock_release+0x10/0x10 [ 31.732202][ T51] ? __pfx_process_one_work+0x10/0x10 [ 31.732407][ T51] ? assign_work+0x16c/0x240 [ 31.732589][ T51] worker_thread+0x587/0xce0 [ 31.732783][ T51] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.733016][ T51] ? __pfx_worker_thread+0x10/0x10 [ 31.733184][ T51] ? __pfx_worker_thread+0x10/0x10 [ 31.733368][ T51] kthread+0x28a/0x350 [ 31.733518][ T51] ? __pfx_kthread+0x10/0x10 [ 31.733714][ T51] ret_from_fork+0x31/0x70 [ 31.733899][ T51] ? __pfx_kthread+0x10/0x10 [ 31.734091][ T51] ret_from_fork_asm+0x1a/0x30 [ 31.734284][ T51] [ 46.873537][ T375] netem: version 1.3