[ 31.479536][ T52] BUG: spinlock bad magic on CPU#2, kworker/2:1/52 [ 31.479762][ T52] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/2:1/52, .owner_cpu: 2 [ 31.480017][ T52] CPU: 2 UID: 0 PID: 52 Comm: kworker/2:1 Not tainted 6.10.0-virtme #1 [ 31.480210][ T52] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.480500][ T52] Workqueue: mld mld_ifc_work [ 31.480651][ T52] Call Trace: [ 31.480749][ T52] [ 31.480816][ T52] dump_stack_lvl+0xb0/0xd0 [ 31.480951][ T52] do_raw_spin_unlock+0x1ac/0x220 [ 31.481088][ T52] _raw_spin_unlock+0x23/0x40 [ 31.481214][ T52] __dev_xmit_skb+0x4ed/0x10c0 [ 31.481341][ T52] ? __pfx___dev_xmit_skb+0x10/0x10 [ 31.481468][ T52] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 31.481625][ T52] __dev_queue_xmit+0x784/0x1890 [ 31.481747][ T52] ? __lock_release+0x103/0x460 [ 31.481869][ T52] ? ip6_finish_output2+0x4ab/0xf70 [ 31.481996][ T52] ? __pfx___lock_release+0x10/0x10 [ 31.482124][ T52] ? __pfx___dev_queue_xmit+0x10/0x10 [ 31.482248][ T52] ? mark_held_locks+0x9e/0xe0 [ 31.482372][ T52] ? eth_header+0x158/0x1a0 [ 31.482503][ T52] ? neigh_resolve_output+0x409/0x7d0 [ 31.482630][ T52] ip6_finish_output2+0x4ab/0xf70 [ 31.482760][ T52] ip6_finish_output+0x4ef/0xd40 [ 31.482883][ T52] ip6_output+0x1fc/0x780 [ 31.482975][ T52] ? __pfx_ip6_output+0x10/0x10 [ 31.483101][ T52] ? lock_acquire.part.0+0xeb/0x330 [ 31.483228][ T52] ? find_held_lock+0x2c/0x110 [ 31.483356][ T52] ? __lock_release+0x103/0x460 [ 31.483484][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 31.483612][ T52] NF_HOOK.constprop.0+0xe2/0x680 [ 31.483740][ T52] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 31.483867][ T52] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 31.484023][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.484178][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 31.484305][ T52] ? __local_bh_enable_ip+0xa6/0x120 [ 31.484431][ T52] mld_sendpack+0x62d/0xbc0 [ 31.484556][ T52] ? __pfx_mld_sendpack+0x10/0x10 [ 31.484681][ T52] ? mld_send_cr+0x3a1/0x780 [ 31.484807][ T52] mld_ifc_work+0x32/0x1f0 [ 31.484936][ T52] process_one_work+0xe3b/0x1670 [ 31.485066][ T52] ? __pfx___lock_release+0x10/0x10 [ 31.485197][ T52] ? __pfx_process_one_work+0x10/0x10 [ 31.485327][ T52] ? assign_work+0x16c/0x240 [ 31.485473][ T52] worker_thread+0x587/0xce0 [ 31.485600][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.485752][ T52] ? __pfx_worker_thread+0x10/0x10 [ 31.485885][ T52] ? __pfx_worker_thread+0x10/0x10 [ 31.486041][ T52] kthread+0x28a/0x350 [ 31.486237][ T52] ? __pfx_kthread+0x10/0x10 [ 31.486371][ T52] ret_from_fork+0x31/0x70 [ 31.486502][ T52] ? __pfx_kthread+0x10/0x10 [ 31.486645][ T52] ret_from_fork_asm+0x1a/0x30 [ 31.486787][ T52] [ 33.387025][ T297] br1: port 1(veth1) entered blocking state [ 33.387265][ T297] br1: port 1(veth1) entered disabled state [ 33.387483][ T297] veth1: entered allmulticast mode [ 33.389225][ T297] veth1: entered promiscuous mode [ 33.535654][ T52] br1: port 1(veth1) entered blocking state [ 33.535873][ T52] br1: port 1(veth1) entered forwarding state [ 33.703415][ T300] br1: port 2(veth2) entered blocking state [ 33.704873][ T300] br1: port 2(veth2) entered disabled state [ 33.705198][ T300] veth2: entered allmulticast mode [ 33.706769][ T300] veth2: entered promiscuous mode [ 33.848890][ T51] br1: port 2(veth2) entered blocking state [ 33.849119][ T51] br1: port 2(veth2) entered forwarding state [ 43.473571][ T332] GACT probability NOT on [ 54.788486][ T453] br1: port 2(veth2) entered disabled state [ 54.920967][ T454] veth2: left allmulticast mode [ 54.921171][ T454] veth2: left promiscuous mode [ 54.921464][ T454] br1: port 2(veth2) entered disabled state [ 55.051036][ T455] br1: port 1(veth1) entered disabled state [ 55.184347][ T456] veth1: left allmulticast mode [ 55.184542][ T456] veth1: left promiscuous mode [ 55.186155][ T456] br1: port 1(veth1) entered disabled state