[ 33.234601][ C1] BUG: spinlock bad magic on CPU#1, tc/290 [ 33.234951][ C1] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: tc/290, .owner_cpu: 1 [ 33.235374][ C1] CPU: 1 UID: 0 PID: 290 Comm: tc Not tainted 6.10.0-virtme #1 [ 33.235706][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.236185][ C1] Call Trace: [ 33.236355][ C1] [ 33.236460][ C1] dump_stack_lvl+0xb0/0xd0 [ 33.236707][ C1] do_raw_spin_unlock+0x1ac/0x220 [ 33.236926][ C1] _raw_spin_unlock+0x23/0x40 [ 33.237133][ C1] net_tx_action+0x402/0x660 [ 33.237372][ C1] handle_softirqs+0x1f9/0x5c0 [ 33.237553][ C1] ? dev_deactivate_many+0x1e2/0x8d0 [ 33.237710][ C1] do_softirq+0x4d/0xa0 [ 33.237850][ C1] [ 33.237946][ C1] [ 33.238021][ C1] __local_bh_enable_ip+0xf6/0x120 [ 33.238188][ C1] dev_deactivate_many+0x1e7/0x8d0 [ 33.238341][ C1] ? __pfx___lock_release+0x10/0x10 [ 33.238495][ C1] dev_deactivate+0xc1/0x1b0 [ 33.238719][ C1] ? __pfx_dev_deactivate+0x10/0x10 [ 33.238908][ C1] qdisc_graft+0xb48/0x1110 [ 33.239108][ C1] ? qdisc_create+0x4cc/0xc90 [ 33.239255][ C1] ? __pfx_qdisc_graft+0x10/0x10 [ 33.239454][ C1] ? __pfx_qdisc_create+0x10/0x10 [ 33.239647][ C1] tc_modify_qdisc+0x95a/0x1490 [ 33.239803][ C1] ? trace_contention_end+0xeb/0x150 [ 33.239998][ C1] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 33.240220][ C1] ? __mutex_lock+0x170/0xac0 [ 33.240443][ C1] ? trace_lock_acquire+0x14d/0x1f0 [ 33.240603][ C1] rtnetlink_rcv_msg+0x2fb/0xc10 [ 33.240792][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.240973][ C1] ? hlock_class+0x4e/0x130 [ 33.241141][ C1] ? mark_lock+0x38/0x3e0 [ 33.241309][ C1] ? __lock_acquire+0xb35/0x1560 [ 33.241536][ C1] netlink_rcv_skb+0x130/0x360 [ 33.241755][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.241972][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 33.242196][ C1] ? netlink_deliver_tap+0x13e/0x340 [ 33.242412][ C1] ? netlink_deliver_tap+0xc3/0x340 [ 33.242629][ C1] netlink_unicast+0x44b/0x710 [ 33.242854][ C1] ? __pfx_netlink_unicast+0x10/0x10 [ 33.243072][ C1] ? find_held_lock+0x2c/0x110 [ 33.243304][ C1] netlink_sendmsg+0x723/0xbe0 [ 33.243529][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 33.243755][ C1] ? __might_fault+0xc3/0x170 [ 33.243962][ C1] ? __import_iovec+0x35d/0x5d0 [ 33.244184][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 33.244402][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 33.244620][ C1] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 33.244888][ C1] ___sys_sendmsg+0xee/0x170 [ 33.245116][ C1] ? __pfx____sys_sendmsg+0x10/0x10 [ 33.245327][ C1] ? kfree+0x2d/0x230 [ 33.245492][ C1] ? ___sys_recvmsg+0xe0/0x150 [ 33.245712][ C1] ? __pfx____sys_recvmsg+0x10/0x10 [ 33.245926][ C1] ? reacquire_held_locks+0x22f/0x4f0 [ 33.246148][ C1] ? do_user_addr_fault+0x8fd/0xe30 [ 33.246374][ C1] ? __fget_light+0x53/0x1e0 [ 33.246611][ C1] __sys_sendmsg+0xcd/0x170 [ 33.246837][ C1] ? __pfx___sys_sendmsg+0x10/0x10 [ 33.247049][ C1] ? __pfx___up_read+0x10/0x10 [ 33.247271][ C1] do_syscall_64+0xc1/0x1d0 [ 33.247470][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.247665][ C1] RIP: 0033:0x7f3d508a17b7 [ 33.247845][ C1] 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 [ 33.248441][ C1] RSP: 002b:00007ffe6cbf28f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.248726][ C1] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3d508a17b7 [ 33.249002][ C1] RDX: 0000000000000000 RSI: 00007ffe6cbf2960 RDI: 0000000000000005 [ 33.249253][ C1] RBP: 000000000047d6a0 R08: 0000000000000014 R09: 0000000000000000 [ 33.249531][ C1] R10: 00007f3d5075a708 R11: 0000000000000246 R12: 00007ffe6cc02c20 [ 33.249795][ C1] R13: 0000000066ab815a R14: 00000000004829c0 R15: 00007f3d50b34000 [ 33.250127][ C1] [ 33.511552][ T293] 8021q: 802.1Q VLAN Support v1.8 [ 38.487977][ T339] br1: port 1(vx100) entered blocking state [ 38.489404][ T339] br1: port 1(vx100) entered disabled state [ 38.489934][ T339] vx100: entered allmulticast mode [ 38.492483][ T339] vx100: entered promiscuous mode [ 38.493466][ T339] br1: port 1(vx100) entered blocking state [ 38.493759][ T339] br1: port 1(vx100) entered forwarding state [ 38.756348][ T341] br1: port 2(veth1) entered blocking state [ 38.756637][ T341] br1: port 2(veth1) entered disabled state [ 38.756834][ T341] veth1: entered allmulticast mode [ 38.758889][ T341] veth1: entered promiscuous mode [ 38.884624][ T9] br1: port 2(veth1) entered blocking state [ 38.884827][ T9] br1: port 2(veth1) entered forwarding state [ 39.139922][ T344] br1: port 3(veth2) entered blocking state [ 39.140154][ T344] br1: port 3(veth2) entered disabled state [ 39.140372][ T344] veth2: entered allmulticast mode [ 39.141892][ T344] veth2: entered promiscuous mode [ 39.268626][ T52] br1: port 3(veth2) entered blocking state [ 39.268873][ T52] br1: port 3(veth2) entered forwarding state [ 44.019269][ T387] br2: port 1(w1) entered blocking state [ 44.019457][ T387] br2: port 1(w1) entered disabled state [ 44.019642][ T387] w1: entered allmulticast mode [ 44.021167][ T387] w1: entered promiscuous mode [ 44.982236][ T394] br2: port 2(vx100) entered blocking state [ 44.982493][ T394] br2: port 2(vx100) entered disabled state [ 44.982739][ T394] vx100: entered allmulticast mode [ 44.985406][ T394] vx100: entered promiscuous mode [ 44.991908][ T394] br2: port 2(vx100) entered blocking state [ 44.992146][ T394] br2: port 2(vx100) entered forwarding state [ 46.103198][ T9] br2: port 1(w1) entered blocking state [ 46.103445][ T9] br2: port 1(w1) entered forwarding state [ 49.461865][ T430] br2: port 1(w1) entered blocking state [ 49.462058][ T430] br2: port 1(w1) entered disabled state [ 49.462249][ T430] w1: entered allmulticast mode [ 49.465169][ T430] w1: entered promiscuous mode [ 50.387834][ T437] br2: port 2(vx100) entered blocking state [ 50.388076][ T437] br2: port 2(vx100) entered disabled state [ 50.388304][ T437] vx100: entered allmulticast mode [ 50.389846][ T437] vx100: entered promiscuous mode [ 50.390280][ T437] br2: port 2(vx100) entered blocking state [ 50.390490][ T437] br2: port 2(vx100) entered forwarding state [ 51.500742][ T52] br2: port 1(w1) entered blocking state [ 51.501038][ T52] br2: port 1(w1) entered forwarding state [ 65.925521][ T75] vx100: left allmulticast mode [ 65.925778][ T75] vx100: left promiscuous mode [ 65.926158][ T75] br2: port 2(vx100) entered disabled state [ 65.927800][ T75] w1: left allmulticast mode [ 65.927966][ T75] w1: left promiscuous mode [ 65.928246][ T75] br2: port 1(w1) entered disabled state [ 66.416648][ T75] vx100: left allmulticast mode [ 66.416824][ T75] vx100: left promiscuous mode [ 66.417241][ T75] br2: port 2(vx100) entered disabled state [ 66.425316][ T75] w1: left allmulticast mode [ 66.425508][ T75] w1: left promiscuous mode [ 66.425772][ T75] br2: port 1(w1) entered disabled state [ 69.257176][ T543] br1: port 3(veth2) entered disabled state [ 69.395827][ T544] veth2: left allmulticast mode [ 69.396113][ T544] veth2: left promiscuous mode [ 69.396529][ T544] br1: port 3(veth2) entered disabled state [ 69.681606][ T546] br1: port 2(veth1) entered disabled state [ 69.809939][ T547] veth1: left allmulticast mode [ 69.810122][ T547] veth1: left promiscuous mode [ 69.811057][ T547] br1: port 2(veth1) entered disabled state [ 69.947420][ T548] vx100: left allmulticast mode [ 69.947605][ T548] vx100: left promiscuous mode [ 69.947858][ T548] br1: port 1(vx100) entered disabled state