[ 27.024629][ T252] ip (252) used greatest stack depth: 23888 bytes left [ 29.694989][ T279] 8021q: 802.1Q VLAN Support v1.8 [ 30.304813][ T52] BUG: spinlock bad magic on CPU#2, kworker/2:1/52 [ 30.305007][ T52] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/2:1/52, .owner_cpu: 2 [ 30.305265][ T52] CPU: 2 UID: 0 PID: 52 Comm: kworker/2:1 Not tainted 6.10.0-virtme #1 [ 30.305473][ T52] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.305763][ T52] Workqueue: mld mld_ifc_work [ 30.305904][ T52] Call Trace: [ 30.306009][ T52] <TASK> [ 30.306075][ T52] dump_stack_lvl+0xb0/0xd0 [ 30.306210][ T52] do_raw_spin_unlock+0x1ac/0x220 [ 30.306338][ T52] _raw_spin_unlock+0x23/0x40 [ 30.306464][ T52] __dev_xmit_skb+0x4ed/0x10c0 [ 30.306595][ T52] ? __pfx___dev_xmit_skb+0x10/0x10 [ 30.306721][ T52] ? lockdep_hardirqs_on_prepare+0x12b/0x410 [ 30.306875][ T52] __dev_queue_xmit+0x784/0x1890 [ 30.307007][ T52] ? find_held_lock+0x2c/0x110 [ 30.307137][ T52] ? __lock_release+0x103/0x460 [ 30.307262][ T52] ? ip6_finish_output2+0x4ab/0xf70 [ 30.307384][ T52] ? __pfx___lock_release+0x10/0x10 [ 30.307509][ T52] ? __pfx___dev_queue_xmit+0x10/0x10 [ 30.307639][ T52] ? mark_lock+0x38/0x3e0 [ 30.307732][ T52] ? mark_lock+0x38/0x3e0 [ 30.307825][ T52] ? mark_held_locks+0x9e/0xe0 [ 30.307949][ T52] ? eth_header+0x158/0x1a0 [ 30.308076][ T52] ? neigh_connected_output+0x2d8/0x550 [ 30.308204][ T52] ip6_finish_output2+0x4ab/0xf70 [ 30.308329][ T52] ip6_finish_output+0x4ef/0xd40 [ 30.308454][ T52] ip6_output+0x1fc/0x780 [ 30.308548][ T52] ? __pfx_ip6_output+0x10/0x10 [ 30.308674][ T52] ? lock_acquire.part.0+0xeb/0x330 [ 30.308799][ T52] ? find_held_lock+0x2c/0x110 [ 30.308923][ T52] ? __lock_release+0x103/0x460 [ 30.309044][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 30.309169][ T52] NF_HOOK.constprop.0+0xe2/0x680 [ 30.309299][ T52] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 30.309424][ T52] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10 [ 30.309582][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 30.309740][ T52] ? icmp6_dst_alloc+0x2c0/0x450 [ 30.309865][ T52] ? __local_bh_enable_ip+0xa6/0x120 [ 30.309999][ T52] mld_sendpack+0x62d/0xbc0 [ 30.310122][ T52] ? __pfx_mld_sendpack+0x10/0x10 [ 30.310247][ T52] ? mld_send_cr+0x3a1/0x780 [ 30.310374][ T52] mld_ifc_work+0x32/0x1f0 [ 30.310496][ T52] process_one_work+0xe3b/0x1670 [ 30.310626][ T52] ? __pfx___lock_release+0x10/0x10 [ 30.310750][ T52] ? __pfx_process_one_work+0x10/0x10 [ 30.310883][ T52] ? assign_work+0x16c/0x240 [ 30.311009][ T52] worker_thread+0x587/0xce0 [ 30.311132][ T52] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 30.311284][ T52] ? __pfx_worker_thread+0x10/0x10 [ 30.311415][ T52] ? __pfx_worker_thread+0x10/0x10 [ 30.311537][ T52] kthread+0x28a/0x350 [ 30.311630][ T52] ? __pfx_kthread+0x10/0x10 [ 30.311753][ T52] ret_from_fork+0x31/0x70 [ 30.311878][ T52] ? __pfx_kthread+0x10/0x10 [ 30.312003][ T52] ret_from_fork_asm+0x1a/0x30 [ 30.312133][ T52] </TASK> [ 34.563832][ T322] br1: port 1(veth1.100) entered blocking state [ 34.564114][ T322] br1: port 1(veth1.100) entered disabled state [ 34.564641][ T322] veth1.100: entered allmulticast mode [ 34.564791][ T322] veth1: entered allmulticast mode [ 34.566334][ T322] veth1.100: entered promiscuous mode [ 34.566515][ T322] veth1: entered promiscuous mode [ 34.987698][ T325] br1: port 1(veth1.100) entered blocking state [ 34.987951][ T325] br1: port 1(veth1.100) entered forwarding state [ 35.769744][ T335] br2: port 1(veth1.200) entered blocking state [ 35.769958][ T335] br2: port 1(veth1.200) entered disabled state [ 35.770744][ T335] veth1.200: entered allmulticast mode [ 35.772319][ T335] veth1.200: entered promiscuous mode [ 36.172028][ T338] br2: port 1(veth1.200) entered blocking state [ 36.172292][ T338] br2: port 1(veth1.200) entered forwarding state [ 48.653544][ T381] veth1.100: left allmulticast mode [ 48.653752][ T381] veth1.100: left promiscuous mode [ 48.654205][ T381] br1: port 1(veth1.100) entered disabled state [ 48.788588][ T383] veth1.200: left allmulticast mode [ 48.788850][ T383] veth1: left allmulticast mode [ 48.789030][ T383] veth1.200: left promiscuous mode [ 48.789177][ T383] veth1: left promiscuous mode [ 48.789600][ T383] br2: port 1(veth1.200) entered disabled state [ 51.010242][ T385] br2: port 1(veth1.200) entered blocking state [ 51.010500][ T385] br2: port 1(veth1.200) entered disabled state [ 51.010735][ T385] veth1.200: entered allmulticast mode [ 51.010893][ T385] veth1: entered allmulticast mode [ 51.012403][ T385] veth1.200: entered promiscuous mode [ 51.012568][ T385] veth1: entered promiscuous mode [ 51.013389][ T385] br2: port 1(veth1.200) entered blocking state [ 51.013589][ T385] br2: port 1(veth1.200) entered forwarding state [ 51.139073][ T386] br1: port 1(veth1.100) entered blocking state [ 51.139308][ T386] br1: port 1(veth1.100) entered disabled state [ 51.139532][ T386] veth1.100: entered allmulticast mode [ 51.140978][ T386] veth1.100: entered promiscuous mode [ 51.143219][ T386] br1: port 1(veth1.100) entered blocking state [ 51.143417][ T386] br1: port 1(veth1.100) entered forwarding state [ 57.682514][ T416] veth1.200: left allmulticast mode [ 57.682741][ T416] veth1.200: left promiscuous mode [ 57.683149][ T416] br2: port 1(veth1.200) entered disabled state [ 58.449131][ T423] veth1.100: left allmulticast mode [ 58.449309][ T423] veth1: left allmulticast mode [ 58.449457][ T423] veth1.100: left promiscuous mode [ 58.449591][ T423] veth1: left promiscuous mode [ 58.450008][ T423] br1: port 1(veth1.100) entered disabled state