[ 35.519608][ T51] BUG: spinlock bad magic on CPU#2, kworker/2:1/51 [ 35.519912][ T51] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/2:1/51, .owner_cpu: 2 [ 35.520270][ T51] CPU: 2 UID: 0 PID: 51 Comm: kworker/2:1 Not tainted 6.10.0-virtme #1 [ 35.520572][ T51] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.521008][ T51] Workqueue: mld mld_ifc_work [ 35.521229][ T51] Call Trace: [ 35.521409][ T51] [ 35.521512][ T51] dump_stack_lvl+0xb0/0xd0 [ 35.521744][ T51] do_raw_spin_unlock+0x1ac/0x220 [ 35.521953][ T51] _raw_spin_unlock+0x23/0x40 [ 35.522169][ T51] __dev_xmit_skb+0x4ed/0x10c0 [ 35.522373][ T51] ? __pfx___dev_xmit_skb+0x10/0x10 [ 35.522576][ T51] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 35.522818][ T51] __dev_queue_xmit+0x784/0x1890 [ 35.523019][ T51] ? __lock_release+0x103/0x460 [ 35.523214][ T51] ? ip6_finish_output2+0x4ab/0xf70 [ 35.523407][ T51] ? __pfx___lock_release+0x10/0x10 [ 35.523669][ T51] ? __pfx___dev_queue_xmit+0x10/0x10 [ 35.523862][ T51] ? mark_held_locks+0x9e/0xe0 [ 35.524053][ T51] ? eth_header+0x158/0x1a0 [ 35.524250][ T51] ? neigh_resolve_output+0x409/0x7d0 [ 35.524446][ T51] ip6_finish_output2+0x4ab/0xf70 [ 35.524639][ T51] ip6_finish_output+0x4ef/0xd40 [ 35.524859][ T51] ip6_output+0x1fc/0x780 [ 35.525006][ T51] ? __pfx_ip6_output+0x10/0x10 [ 35.525198][ T51] ? lock_acquire.part.0+0xeb/0x330 [ 35.525400][ T51] ? find_held_lock+0x2c/0x110 [ 35.525594][ T51] ? __lock_release+0x103/0x460 [ 35.525784][ T51] ? icmp6_dst_alloc+0x2c0/0x450 [ 35.525977][ T51] NF_HOOK.constprop.0+0xe2/0x680 [ 35.526173][ T51] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 35.526364][ T51] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 35.526623][ T51] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 35.526882][ T51] ? icmp6_dst_alloc+0x2c0/0x450 [ 35.527078][ T51] ? __local_bh_enable_ip+0xa6/0x120 [ 35.527273][ T51] mld_sendpack+0x62d/0xbc0 [ 35.527482][ T51] ? __pfx_mld_sendpack+0x10/0x10 [ 35.527687][ T51] ? mld_send_cr+0x3a1/0x780 [ 35.527897][ T51] mld_ifc_work+0x32/0x1f0 [ 35.528422][ T51] process_one_work+0xe3b/0x1670 [ 35.528647][ T51] ? __pfx___lock_release+0x10/0x10 [ 35.528856][ T51] ? __pfx_process_one_work+0x10/0x10 [ 35.529076][ T51] ? assign_work+0x16c/0x240 [ 35.529286][ T51] worker_thread+0x587/0xce0 [ 35.529492][ T51] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 35.529754][ T51] ? __pfx_worker_thread+0x10/0x10 [ 35.529948][ T51] ? __pfx_worker_thread+0x10/0x10 [ 35.530139][ T51] kthread+0x28a/0x350 [ 35.530285][ T51] ? __pfx_kthread+0x10/0x10 [ 35.530475][ T51] ret_from_fork+0x31/0x70 [ 35.530701][ T51] ? __pfx_kthread+0x10/0x10 [ 35.530894][ T51] ret_from_fork_asm+0x1a/0x30 [ 35.531151][ T51] [ 37.232532][ T291] br0: port 1(veth1) entered blocking state [ 37.233895][ T291] br0: port 1(veth1) entered disabled state [ 37.234279][ T291] veth1: entered allmulticast mode [ 37.241304][ T291] veth1: entered promiscuous mode [ 37.402805][ T293] br0: port 2(veth2) entered blocking state [ 37.403067][ T293] br0: port 2(veth2) entered disabled state [ 37.403332][ T293] veth2: entered allmulticast mode [ 37.404996][ T293] veth2: entered promiscuous mode [ 37.717175][ T52] br0: port 1(veth1) entered blocking state [ 37.717461][ T52] br0: port 1(veth1) entered forwarding state [ 37.889308][ T51] br0: port 2(veth2) entered blocking state [ 37.889690][ T51] br0: port 2(veth2) entered forwarding state [ 53.002954][ T344] GACT probability NOT on [ 250.371647][ T1479] br0: port 2(veth2) entered disabled state [ 250.517499][ T1480] br0: port 1(veth1) entered disabled state [ 250.644126][ T1481] veth2: left allmulticast mode [ 250.644344][ T1481] veth2: left promiscuous mode [ 250.644642][ T1481] br0: port 2(veth2) entered disabled state [ 250.645659][ T1481] veth1: left allmulticast mode [ 250.645833][ T1481] veth1: left promiscuous mode [ 250.646140][ T1481] br0: port 1(veth1) entered disabled state