[ 30.823270][ C0] BUG: spinlock bad magic on CPU#0, tc/288 [ 30.823527][ C0] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: tc/288, .owner_cpu: 0 [ 30.823786][ C0] CPU: 0 UID: 0 PID: 288 Comm: tc Not tainted 6.10.0-virtme #1 [ 30.824013][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.824359][ C0] Call Trace: [ 30.824495][ C0] [ 30.824583][ C0] dump_stack_lvl+0xb0/0xd0 [ 30.824742][ C0] do_raw_spin_unlock+0x1ac/0x220 [ 30.824916][ C0] _raw_spin_unlock+0x23/0x40 [ 30.825064][ C0] net_tx_action+0x402/0x660 [ 30.825214][ C0] handle_softirqs+0x1f9/0x5c0 [ 30.825376][ C0] ? dev_deactivate_many+0x1e2/0x8d0 [ 30.825548][ C0] do_softirq+0x4d/0xa0 [ 30.825657][ C0] [ 30.825739][ C0] [ 30.825843][ C0] __local_bh_enable_ip+0xf6/0x120 [ 30.825986][ C0] dev_deactivate_many+0x1e7/0x8d0 [ 30.826138][ C0] ? __pfx___lock_release+0x10/0x10 [ 30.826296][ C0] dev_deactivate+0xc1/0x1b0 [ 30.826449][ C0] ? __pfx_dev_deactivate+0x10/0x10 [ 30.826606][ C0] qdisc_graft+0xb48/0x1110 [ 30.826777][ C0] ? qdisc_create+0x4cc/0xc90 [ 30.826929][ C0] ? __pfx_qdisc_graft+0x10/0x10 [ 30.827079][ C0] ? __pfx_qdisc_create+0x10/0x10 [ 30.827240][ C0] tc_modify_qdisc+0x95a/0x1490 [ 30.827419][ C0] ? trace_contention_end+0xeb/0x150 [ 30.827598][ C0] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 30.827742][ C0] ? __mutex_lock+0x170/0xac0 [ 30.827915][ C0] ? trace_lock_acquire+0x14d/0x1f0 [ 30.828066][ C0] rtnetlink_rcv_msg+0x2fb/0xc10 [ 30.828217][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 30.828393][ C0] ? hlock_class+0x4e/0x130 [ 30.828537][ C0] ? mark_lock+0x38/0x3e0 [ 30.828649][ C0] ? __lock_acquire+0xb35/0x1560 [ 30.828800][ C0] netlink_rcv_skb+0x130/0x360 [ 30.828951][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 30.829095][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 30.829242][ C0] ? netlink_deliver_tap+0x13e/0x340 [ 30.829391][ C0] ? netlink_deliver_tap+0xc3/0x340 [ 30.829536][ C0] netlink_unicast+0x44b/0x710 [ 30.829682][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 30.829825][ C0] ? find_held_lock+0x2c/0x110 [ 30.829972][ C0] netlink_sendmsg+0x723/0xbe0 [ 30.830121][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 30.830263][ C0] ? __might_fault+0xc3/0x170 [ 30.830409][ C0] ? __import_iovec+0x35d/0x5d0 [ 30.830562][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 30.830709][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 30.830855][ C0] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 30.831047][ C0] ___sys_sendmsg+0xee/0x170 [ 30.831194][ C0] ? __pfx____sys_sendmsg+0x10/0x10 [ 30.831337][ C0] ? kfree+0x2d/0x230 [ 30.831451][ C0] ? ___sys_recvmsg+0xe0/0x150 [ 30.831598][ C0] ? __pfx____sys_recvmsg+0x10/0x10 [ 30.831748][ C0] ? reacquire_held_locks+0x22f/0x4f0 [ 30.831894][ C0] ? do_user_addr_fault+0x8fd/0xe30 [ 30.832041][ C0] ? __fget_light+0x53/0x1e0 [ 30.832192][ C0] __sys_sendmsg+0xcd/0x170 [ 30.832337][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 30.832497][ C0] ? __pfx___up_read+0x10/0x10 [ 30.832646][ C0] do_syscall_64+0xc1/0x1d0 [ 30.832791][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 30.832976][ C0] RIP: 0033:0x7f1bd15877b7 [ 30.833128][ C0] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 30.833646][ C0] RSP: 002b:00007ffec9761488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.833865][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1bd15877b7 [ 30.834087][ C0] RDX: 0000000000000000 RSI: 00007ffec97614f0 RDI: 0000000000000005 [ 30.834303][ C0] RBP: 000000000047d6a0 R08: 0000000000000014 R09: 0000000000000000 [ 30.834519][ C0] R10: 00007f1bd1440708 R11: 0000000000000246 R12: 00007ffec97717b0 [ 30.834740][ C0] R13: 0000000066ab8668 R14: 00000000004829c0 R15: 00007f1bd181a000 [ 30.834960][ C0] [ 31.052051][ T291] 8021q: 802.1Q VLAN Support v1.8 [ 35.605888][ T336] br1: port 1(vx10) entered blocking state [ 35.606167][ T336] br1: port 1(vx10) entered disabled state [ 35.606372][ T336] vx10: entered allmulticast mode [ 35.608921][ T336] vx10: entered promiscuous mode [ 35.609615][ T336] br1: port 1(vx10) entered blocking state [ 35.609852][ T336] br1: port 1(vx10) entered forwarding state [ 36.114093][ T341] br1: port 2(vx20) entered blocking state [ 36.114299][ T341] br1: port 2(vx20) entered disabled state [ 36.114511][ T341] vx20: entered allmulticast mode [ 36.116093][ T341] vx20: entered promiscuous mode [ 36.116573][ T341] br1: port 2(vx20) entered blocking state [ 36.116757][ T341] br1: port 2(vx20) entered forwarding state [ 36.367108][ T343] br1: port 3(veth1) entered blocking state [ 36.367376][ T343] br1: port 3(veth1) entered disabled state [ 36.367697][ T343] veth1: entered allmulticast mode [ 36.369312][ T343] veth1: entered promiscuous mode [ 36.494969][ T64] br1: port 3(veth1) entered blocking state [ 36.495220][ T64] br1: port 3(veth1) entered forwarding state [ 36.859913][ T347] br1: port 4(veth2) entered blocking state [ 36.860127][ T347] br1: port 4(veth2) entered disabled state [ 36.860334][ T347] veth2: entered allmulticast mode [ 36.862676][ T347] veth2: entered promiscuous mode [ 36.977858][ T64] br1: port 4(veth2) entered blocking state [ 36.978109][ T64] br1: port 4(veth2) entered forwarding state [ 41.825700][ T394] br2: port 1(w1) entered blocking state [ 41.825917][ T394] br2: port 1(w1) entered disabled state [ 41.826121][ T394] w1: entered allmulticast mode [ 41.828153][ T394] w1: entered promiscuous mode [ 42.898056][ T402] br2: port 2(vx10) entered blocking state [ 42.898326][ T402] br2: port 2(vx10) entered disabled state [ 42.899749][ T402] vx10: entered allmulticast mode [ 42.901340][ T402] vx10: entered promiscuous mode [ 42.901813][ T402] br2: port 2(vx10) entered blocking state [ 42.902051][ T402] br2: port 2(vx10) entered forwarding state [ 43.857733][ T409] br2: port 3(vx20) entered blocking state [ 43.857976][ T409] br2: port 3(vx20) entered disabled state [ 43.858196][ T409] vx20: entered allmulticast mode [ 43.859750][ T409] vx20: entered promiscuous mode [ 43.860156][ T409] br2: port 3(vx20) entered blocking state [ 43.860341][ T409] br2: port 3(vx20) entered forwarding state [ 44.944323][ T64] br2: port 1(w1) entered blocking state [ 44.944589][ T64] br2: port 1(w1) entered forwarding state [ 48.228503][ T445] br2: port 1(w1) entered blocking state [ 48.228683][ T445] br2: port 1(w1) entered disabled state [ 48.228863][ T445] w1: entered allmulticast mode [ 48.230388][ T445] w1: entered promiscuous mode [ 49.285751][ T453] br2: port 2(vx10) entered blocking state [ 49.285999][ T453] br2: port 2(vx10) entered disabled state [ 49.286223][ T453] vx10: entered allmulticast mode [ 49.288893][ T453] vx10: entered promiscuous mode [ 49.289324][ T453] br2: port 2(vx10) entered blocking state [ 49.289530][ T453] br2: port 2(vx10) entered forwarding state [ 50.196180][ T460] br2: port 3(vx20) entered blocking state [ 50.196699][ T460] br2: port 3(vx20) entered disabled state [ 50.196911][ T460] vx20: entered allmulticast mode [ 50.198436][ T460] vx20: entered promiscuous mode [ 50.198879][ T460] br2: port 3(vx20) entered blocking state [ 50.199057][ T460] br2: port 3(vx20) entered forwarding state [ 51.254908][ T64] br2: port 1(w1) entered blocking state [ 51.255148][ T64] br2: port 1(w1) entered forwarding state [ 69.237500][ T11] vx20: left allmulticast mode [ 69.237690][ T11] vx20: left promiscuous mode [ 69.237961][ T11] br2: port 3(vx20) entered disabled state [ 69.239030][ T11] vx10: left allmulticast mode [ 69.239194][ T11] vx10: left promiscuous mode [ 69.239494][ T11] br2: port 2(vx10) entered disabled state [ 69.240563][ T11] w1: left allmulticast mode [ 69.240728][ T11] w1: left promiscuous mode [ 69.240986][ T11] br2: port 1(w1) entered disabled state [ 69.695958][ T11] vx20: left allmulticast mode [ 69.696181][ T11] vx20: left promiscuous mode [ 69.696546][ T11] br2: port 3(vx20) entered disabled state [ 69.698282][ T11] vx10: left allmulticast mode [ 69.698491][ T11] vx10: left promiscuous mode [ 69.698763][ T11] br2: port 2(vx10) entered disabled state [ 69.700044][ T11] w1: left allmulticast mode [ 69.700213][ T11] w1: left promiscuous mode [ 69.700511][ T11] br2: port 1(w1) entered disabled state [ 73.053003][ T585] br1: port 4(veth2) entered disabled state [ 73.174095][ T586] veth2: left allmulticast mode [ 73.174313][ T586] veth2: left promiscuous mode [ 73.174642][ T586] br1: port 4(veth2) entered disabled state [ 73.609629][ T589] br1: port 3(veth1) entered disabled state [ 73.738304][ T590] veth1: left allmulticast mode [ 73.738514][ T590] veth1: left promiscuous mode [ 73.738789][ T590] br1: port 3(veth1) entered disabled state [ 74.027483][ T592] vx20: left allmulticast mode [ 74.027691][ T592] vx20: left promiscuous mode [ 74.027949][ T592] br1: port 2(vx20) entered disabled state [ 74.589146][ T596] vx10: left allmulticast mode [ 74.589346][ T596] vx10: left promiscuous mode [ 74.589639][ T596] br1: port 1(vx10) entered disabled state