[ 31.758097][ C3] BUG: spinlock bad magic on CPU#3, tc/295 [ 31.758392][ C3] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: tc/295, .owner_cpu: 3 [ 31.758736][ C3] CPU: 3 UID: 0 PID: 295 Comm: tc Not tainted 6.10.0-virtme #1 [ 31.759052][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.759461][ C3] Call Trace: [ 31.759593][ C3] [ 31.759725][ C3] dump_stack_lvl+0xb0/0xd0 [ 31.759955][ C3] do_raw_spin_unlock+0x1ac/0x220 [ 31.760173][ C3] _raw_spin_unlock+0x23/0x40 [ 31.760381][ C3] net_tx_action+0x402/0x660 [ 31.760572][ C3] handle_softirqs+0x1f9/0x5c0 [ 31.760715][ C3] ? dev_deactivate_many+0x1e2/0x8d0 [ 31.760870][ C3] do_softirq+0x4d/0xa0 [ 31.760993][ C3] [ 31.761088][ C3] [ 31.761196][ C3] __local_bh_enable_ip+0xf6/0x120 [ 31.761401][ C3] dev_deactivate_many+0x1e7/0x8d0 [ 31.761602][ C3] ? __pfx___lock_release+0x10/0x10 [ 31.761803][ C3] dev_deactivate+0xc1/0x1b0 [ 31.762014][ C3] ? __pfx_dev_deactivate+0x10/0x10 [ 31.762199][ C3] qdisc_graft+0xb48/0x1110 [ 31.762404][ C3] ? qdisc_create+0x4cc/0xc90 [ 31.762627][ C3] ? __pfx_qdisc_graft+0x10/0x10 [ 31.762856][ C3] ? __pfx_qdisc_create+0x10/0x10 [ 31.763092][ C3] tc_modify_qdisc+0x95a/0x1490 [ 31.763319][ C3] ? trace_contention_end+0xeb/0x150 [ 31.763555][ C3] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 31.763776][ C3] ? __mutex_lock+0x170/0xac0 [ 31.763989][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 31.764194][ C3] rtnetlink_rcv_msg+0x2fb/0xc10 [ 31.764393][ C3] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 31.764591][ C3] ? hlock_class+0x4e/0x130 [ 31.764803][ C3] ? mark_lock+0x38/0x3e0 [ 31.764965][ C3] ? __lock_acquire+0xb35/0x1560 [ 31.765186][ C3] netlink_rcv_skb+0x130/0x360 [ 31.765399][ C3] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 31.765612][ C3] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 31.765827][ C3] ? netlink_deliver_tap+0x13e/0x340 [ 31.766041][ C3] ? netlink_deliver_tap+0xc3/0x340 [ 31.766261][ C3] netlink_unicast+0x44b/0x710 [ 31.766479][ C3] ? __pfx_netlink_unicast+0x10/0x10 [ 31.766677][ C3] ? find_held_lock+0x2c/0x110 [ 31.766885][ C3] netlink_sendmsg+0x723/0xbe0 [ 31.767092][ C3] ? __pfx_netlink_sendmsg+0x10/0x10 [ 31.767306][ C3] ? __might_fault+0xc3/0x170 [ 31.767518][ C3] ? __import_iovec+0x35d/0x5d0 [ 31.767727][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 31.767938][ C3] ? __pfx_____sys_sendmsg+0x10/0x10 [ 31.768161][ C3] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 31.768435][ C3] ___sys_sendmsg+0xee/0x170 [ 31.768630][ C3] ? __pfx____sys_sendmsg+0x10/0x10 [ 31.768823][ C3] ? kfree+0x2d/0x230 [ 31.768983][ C3] ? ___sys_recvmsg+0xe0/0x150 [ 31.769199][ C3] ? __pfx____sys_recvmsg+0x10/0x10 [ 31.769414][ C3] ? reacquire_held_locks+0x22f/0x4f0 [ 31.769619][ C3] ? do_user_addr_fault+0x8fd/0xe30 [ 31.769826][ C3] ? __fget_light+0x53/0x1e0 [ 31.770024][ C3] __sys_sendmsg+0xcd/0x170 [ 31.770243][ C3] ? __pfx___sys_sendmsg+0x10/0x10 [ 31.770439][ C3] ? __pfx___up_read+0x10/0x10 [ 31.770663][ C3] do_syscall_64+0xc1/0x1d0 [ 31.770876][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 31.771139][ C3] RIP: 0033:0x7fe3e08327b7 [ 31.771346][ C3] 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 [ 31.772080][ C3] RSP: 002b:00007ffde0999348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.772389][ C3] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe3e08327b7 [ 31.772703][ C3] RDX: 0000000000000000 RSI: 00007ffde09993b0 RDI: 0000000000000005 [ 31.773009][ C3] RBP: 000000000047d6a0 R08: 0000000000000014 R09: 0000000000000000 [ 31.773335][ C3] R10: 00007fe3e06eb708 R11: 0000000000000246 R12: 00007ffde09a9670 [ 31.773669][ C3] R13: 0000000066ab8041 R14: 00000000004829c0 R15: 00007fe3e0ac5000 [ 31.773970][ C3] [ 41.309147][ T339] GACT probability NOT on [ 46.058443][ T413] Mirror/redirect action on