[   25.322724][  T246] ip (246) used greatest stack depth: 24688 bytes left
[   25.926504][    C1] BUG: spinlock bad magic on CPU#1, tc/249
[   25.926708][    C1]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: tc/249, .owner_cpu: 1
[   25.926951][    C1] CPU: 1 UID: 0 PID: 249 Comm: tc Not tainted 6.10.0-virtme #1
[   25.927157][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   25.927459][    C1] Call Trace:
[   25.927569][    C1]  <IRQ>
[   25.927640][    C1]  dump_stack_lvl+0xb0/0xd0
[   25.927774][    C1]  do_raw_spin_unlock+0x1ac/0x220
[   25.927914][    C1]  _raw_spin_unlock+0x23/0x40
[   25.928055][    C1]  net_tx_action+0x424/0x680
[   25.928194][    C1]  handle_softirqs+0x1f9/0x5c0
[   25.928336][    C1]  ? dev_deactivate_many+0x1e2/0x8d0
[   25.928479][    C1]  do_softirq+0x4d/0xa0
[   25.928583][    C1]  </IRQ>
[   25.928652][    C1]  <TASK>
[   25.928722][    C1]  __local_bh_enable_ip+0xf6/0x120
[   25.928880][    C1]  dev_deactivate_many+0x1e7/0x8d0
[   25.929018][    C1]  ? qdisc_create+0xdf/0xc90
[   25.929158][    C1]  ? tc_modify_qdisc+0x398/0x1490
[   25.929298][    C1]  dev_deactivate+0xc1/0x1b0
[   25.929438][    C1]  ? __pfx_dev_deactivate+0x10/0x10
[   25.929587][    C1]  ? __hrtimer_init+0x3a/0x210
[   25.929728][    C1]  qdisc_graft+0xb48/0x1110
[   25.929869][    C1]  ? trace_qdisc_create+0x118/0x190
[   25.930006][    C1]  ? qdisc_create+0x4cc/0xc90
[   25.930146][    C1]  ? __pfx_qdisc_graft+0x10/0x10
[   25.930286][    C1]  ? __pfx_qdisc_create+0x10/0x10
[   25.930422][    C1]  tc_modify_qdisc+0x95a/0x1490
[   25.930561][    C1]  ? trace_contention_end+0xeb/0x150
[   25.930700][    C1]  ? __pfx_tc_modify_qdisc+0x10/0x10
[   25.930837][    C1]  ? __mutex_lock+0x170/0xac0
[   25.930985][    C1]  ? trace_lock_acquire+0x14d/0x1f0
[   25.931120][    C1]  rtnetlink_rcv_msg+0x2fb/0xc10
[   25.931260][    C1]  ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[   25.931402][    C1]  ? hlock_class+0x4e/0x130
[   25.931540][    C1]  ? mark_lock+0x38/0x3e0
[   25.931643][    C1]  ? __lock_acquire+0xb35/0x1560
[   25.931787][    C1]  netlink_rcv_skb+0x130/0x360
[   25.931926][    C1]  ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[   25.932070][    C1]  ? __pfx_netlink_rcv_skb+0x10/0x10
[   25.932224][    C1]  ? netlink_deliver_tap+0x13e/0x340
[   25.932359][    C1]  ? netlink_deliver_tap+0xc3/0x340
[   25.932495][    C1]  netlink_unicast+0x44b/0x710
[   25.932633][    C1]  ? __pfx_netlink_unicast+0x10/0x10
[   25.932770][    C1]  ? find_held_lock+0x2c/0x110
[   25.932912][    C1]  netlink_sendmsg+0x723/0xbe0
[   25.933049][    C1]  ? __pfx_netlink_sendmsg+0x10/0x10
[   25.933186][    C1]  ? __might_fault+0xc3/0x170
[   25.933325][    C1]  ? __import_iovec+0x35d/0x5d0
[   25.933466][    C1]  ____sys_sendmsg+0x7b2/0xa10
[   25.933604][    C1]  ? __pfx_____sys_sendmsg+0x10/0x10
[   25.933739][    C1]  ? __pfx_copy_msghdr_from_user+0x10/0x10
[   25.933913][    C1]  ___sys_sendmsg+0xee/0x170
[   25.934050][    C1]  ? __pfx____sys_sendmsg+0x10/0x10
[   25.934188][    C1]  ? kfree+0x2d/0x230
[   25.934294][    C1]  ? ___sys_recvmsg+0xe0/0x150
[   25.934436][    C1]  ? __pfx____sys_recvmsg+0x10/0x10
[   25.934568][    C1]  ? reacquire_held_locks+0x22f/0x4f0
[   25.934704][    C1]  ? do_user_addr_fault+0x8fd/0xe30
[   25.934844][    C1]  ? __fget_light+0x53/0x1e0
[   25.934981][    C1]  __sys_sendmsg+0xcd/0x170
[   25.935119][    C1]  ? __pfx___sys_sendmsg+0x10/0x10
[   25.935251][    C1]  ? __pfx___up_read+0x10/0x10
[   25.935393][    C1]  do_syscall_64+0xc1/0x1d0
[   25.935534][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   25.935705][    C1] RIP: 0033:0x7f9328e217b7
[   25.935845][    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
[   25.936323][    C1] RSP: 002b:00007ffc21047c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.936533][    C1] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9328e217b7
[   25.936743][    C1] RDX: 0000000000000000 RSI: 00007ffc21047d00 RDI: 0000000000000005
[   25.936955][    C1] RBP: 000000000047d460 R08: 0000000000000014 R09: 0000000000000000
[   25.937157][    C1] R10: 00007f9328cda708 R11: 0000000000000246 R12: 00007ffc21057fd8
[   25.937360][    C1] R13: 0000000066ab93cb R14: 00000000004829c0 R15: 00007f93290b4000
[   25.937576][    C1]  </TASK>
[   27.950612][  T197] make (197) used greatest stack depth: 24608 bytes left