[ 33.830726][ C1] BUG: spinlock bad magic on CPU#1, ip/309 [ 33.830934][ C1] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: ip/309, .owner_cpu: 1 [ 33.831184][ C1] CPU: 1 UID: 0 PID: 309 Comm: ip Not tainted 6.10.0-virtme #1 [ 33.831389][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.831687][ C1] Call Trace: [ 33.831794][ C1] [ 33.831874][ C1] dump_stack_lvl+0xb0/0xd0 [ 33.832015][ C1] do_raw_spin_unlock+0x1ac/0x220 [ 33.832154][ C1] _raw_spin_unlock+0x23/0x40 [ 33.832292][ C1] net_tx_action+0x424/0x680 [ 33.832430][ C1] handle_softirqs+0x1f9/0x5c0 [ 33.832571][ C1] ? dev_deactivate_many+0x1e2/0x8d0 [ 33.832714][ C1] do_softirq+0x4d/0xa0 [ 33.832816][ C1] [ 33.832885][ C1] [ 33.832955][ C1] __local_bh_enable_ip+0xf6/0x120 [ 33.833090][ C1] dev_deactivate_many+0x1e7/0x8d0 [ 33.833227][ C1] __dev_close_many+0x12b/0x2d0 [ 33.833363][ C1] ? __pfx___dev_close_many+0x10/0x10 [ 33.833499][ C1] dev_close_many+0x202/0x650 [ 33.833638][ C1] ? __pfx_dev_close_many+0x10/0x10 [ 33.833771][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 33.833904][ C1] ? vrf_map_unregister_dev+0x99/0x480 [ 33.834040][ C1] unregister_netdevice_many_notify+0x8e5/0x1570 [ 33.834211][ C1] ? __lock_release+0x103/0x460 [ 33.834347][ C1] ? unregister_netdevice_queue+0x70/0x410 [ 33.834512][ C1] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 33.834679][ C1] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 33.834854][ C1] ? vrf_dellink+0xf6/0x150 [ 33.834990][ C1] ? vrf_dellink+0x101/0x150 [ 33.835123][ C1] ? __pfx_vrf_dellink+0x10/0x10 [ 33.835259][ C1] ? __nla_validate_parse+0x48/0x3d0 [ 33.835398][ C1] rtnl_dellink+0x32c/0xa50 [ 33.835533][ C1] ? hlock_class+0x4e/0x130 [ 33.835671][ C1] ? __pfx_rtnl_dellink+0x10/0x10 [ 33.835817][ C1] ? trace_contention_end+0xeb/0x150 [ 33.835957][ C1] ? __mutex_lock+0x170/0xac0 [ 33.836097][ C1] ? find_held_lock+0x2c/0x110 [ 33.836235][ C1] ? rtnetlink_rcv_msg+0x2af/0xc10 [ 33.836368][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 33.836504][ C1] ? __pfx___lock_release+0x10/0x10 [ 33.836636][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.836768][ C1] ? trace_lock_acquire+0x14d/0x1f0 [ 33.836903][ C1] rtnetlink_rcv_msg+0x2fb/0xc10 [ 33.837040][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.837174][ C1] ? hlock_class+0x4e/0x130 [ 33.837307][ C1] ? mark_lock+0x38/0x3e0 [ 33.837409][ C1] ? __lock_acquire+0xb35/0x1560 [ 33.837542][ C1] netlink_rcv_skb+0x130/0x360 [ 33.837677][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.837809][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 33.837944][ C1] ? netlink_deliver_tap+0x13e/0x340 [ 33.838077][ C1] ? netlink_deliver_tap+0xc3/0x340 [ 33.838216][ C1] netlink_unicast+0x44b/0x710 [ 33.838349][ C1] ? __pfx_netlink_unicast+0x10/0x10 [ 33.838482][ C1] ? find_held_lock+0x2c/0x110 [ 33.838618][ C1] netlink_sendmsg+0x723/0xbe0 [ 33.838755][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 33.838886][ C1] ? __might_fault+0xc3/0x170 [ 33.839024][ C1] ? __import_iovec+0x35d/0x5d0 [ 33.839161][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 33.839298][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 33.839435][ C1] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 33.839602][ C1] ? __pfx_validate_chain+0x10/0x10 [ 33.839737][ C1] ___sys_sendmsg+0xee/0x170 [ 33.839874][ C1] ? __pfx____sys_sendmsg+0x10/0x10 [ 33.840007][ C1] ? find_held_lock+0x2c/0x110 [ 33.840142][ C1] ? __lock_release+0x103/0x460 [ 33.840277][ C1] ? __debug_check_no_obj_freed+0x253/0x520 [ 33.840449][ C1] ? __pfx___lock_release+0x10/0x10 [ 33.840581][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 33.840716][ C1] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.840885][ C1] ? __fget_light+0x53/0x1e0 [ 33.841023][ C1] __sys_sendmsg+0xcd/0x170 [ 33.841156][ C1] ? __pfx___sys_sendmsg+0x10/0x10 [ 33.841289][ C1] ? __virt_addr_valid+0x230/0x430 [ 33.841430][ C1] do_syscall_64+0xc1/0x1d0 [ 33.841569][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.841737][ C1] RIP: 0033:0x7f5acd5117b7 [ 33.841876][ 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 [ 33.842345][ C1] RSP: 002b:00007ffc48ab6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.842555][ C1] RAX: ffffffffffffffda RBX: 00007ffc48ab73a0 RCX: 00007f5acd5117b7 [ 33.842757][ C1] RDX: 0000000000000000 RSI: 00007ffc48ab6ce0 RDI: 0000000000000005 [ 33.842955][ C1] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 33.843152][ C1] R10: 00007f5acd3cfef8 R11: 0000000000000246 R12: 0000000000000001 [ 33.843355][ C1] R13: 0000000066ab9276 R14: 0000000000496600 R15: 0000000000000000 [ 33.843561][ C1]