[ 26.567868][ C3] BUG: spinlock bad magic on CPU#3, tc/266 [ 26.568157][ C3] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: tc/266, .owner_cpu: 3 [ 26.568401][ C3] CPU: 3 UID: 0 PID: 266 Comm: tc Not tainted 6.10.0-virtme #1 [ 26.568607][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.568902][ C3] Call Trace: [ 26.569006][ C3] <IRQ> [ 26.569077][ C3] dump_stack_lvl+0xb0/0xd0 [ 26.569221][ C3] do_raw_spin_unlock+0x1ac/0x220 [ 26.569366][ C3] _raw_spin_unlock+0x23/0x40 [ 26.569501][ C3] net_tx_action+0x424/0x680 [ 26.569640][ C3] handle_softirqs+0x1f9/0x5c0 [ 26.569780][ C3] ? dev_deactivate_many+0x1e2/0x8d0 [ 26.569920][ C3] do_softirq+0x4d/0xa0 [ 26.570020][ C3] </IRQ> [ 26.570090][ C3] <TASK> [ 26.570156][ C3] __local_bh_enable_ip+0xf6/0x120 [ 26.570288][ C3] dev_deactivate_many+0x1e7/0x8d0 [ 26.570420][ C3] ? __pfx___lock_release+0x10/0x10 [ 26.570554][ C3] dev_deactivate+0xc1/0x1b0 [ 26.570688][ C3] ? __pfx_dev_deactivate+0x10/0x10 [ 26.570823][ C3] qdisc_graft+0xb48/0x1110 [ 26.570963][ C3] ? qdisc_create+0x4cc/0xc90 [ 26.571102][ C3] ? __pfx_qdisc_graft+0x10/0x10 [ 26.571235][ C3] ? __pfx_qdisc_create+0x10/0x10 [ 26.571368][ C3] tc_modify_qdisc+0x95a/0x1490 [ 26.571503][ C3] ? trace_contention_end+0xeb/0x150 [ 26.571639][ C3] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 26.571773][ C3] ? __mutex_lock+0x170/0xac0 [ 26.571912][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 26.572049][ C3] rtnetlink_rcv_msg+0x2fb/0xc10 [ 26.572187][ C3] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.572320][ C3] ? hlock_class+0x4e/0x130 [ 26.572459][ C3] ? mark_lock+0x38/0x3e0 [ 26.572560][ C3] ? __lock_acquire+0xb35/0x1560 [ 26.572694][ C3] netlink_rcv_skb+0x130/0x360 [ 26.572828][ C3] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.572961][ C3] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.573100][ C3] ? netlink_deliver_tap+0x13e/0x340 [ 26.573233][ C3] ? netlink_deliver_tap+0xc3/0x340 [ 26.573365][ C3] netlink_unicast+0x44b/0x710 [ 26.573500][ C3] ? __pfx_netlink_unicast+0x10/0x10 [ 26.573640][ C3] ? find_held_lock+0x2c/0x110 [ 26.573774][ C3] netlink_sendmsg+0x723/0xbe0 [ 26.573907][ C3] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.574038][ C3] ? __might_fault+0xc3/0x170 [ 26.574173][ C3] ? __import_iovec+0x35d/0x5d0 [ 26.574311][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 26.574445][ C3] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.574579][ C3] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.574748][ C3] ___sys_sendmsg+0xee/0x170 [ 26.574883][ C3] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.575015][ C3] ? kfree+0x2d/0x230 [ 26.575117][ C3] ? ___sys_recvmsg+0xe0/0x150 [ 26.575250][ C3] ? __pfx____sys_recvmsg+0x10/0x10 [ 26.575385][ C3] ? reacquire_held_locks+0x22f/0x4f0 [ 26.575518][ C3] ? do_user_addr_fault+0x8fd/0xe30 [ 26.575657][ C3] ? __fget_light+0x53/0x1e0 [ 26.575793][ C3] __sys_sendmsg+0xcd/0x170 [ 26.575925][ C3] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.576059][ C3] ? __pfx___up_read+0x10/0x10 [ 26.576196][ C3] do_syscall_64+0xc1/0x1d0 [ 26.576335][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.576501][ C3] RIP: 0033:0x7f8a5269b7b7 [ 26.576643][ 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 [ 26.577114][ C3] RSP: 002b:00007fff33f0b0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.577320][ C3] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8a5269b7b7 [ 26.577519][ C3] RDX: 0000000000000000 RSI: 00007fff33f0b140 RDI: 0000000000000005 [ 26.577719][ C3] RBP: 000000000047d6a0 R08: 0000000000000014 R09: 0000000000000000 [ 26.577923][ C3] R10: 00007f8a52554708 R11: 0000000000000246 R12: 00007fff33f1b400 [ 26.578121][ C3] R13: 0000000066ab92fd R14: 00000000004829c0 R15: 00007f8a5292e000 [ 26.578323][ C3] </TASK> [ 26.814564][ T269] gre: GRE over IPv4 demultiplexor driver [ 26.835132][ T269] ip6_gre: GRE over IPv6 tunneling driver [ 26.970300][ T9] ip6_tunnel: er6 xmit: Local address not yet configured! [ 27.258290][ T52] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 27.311263][ T52] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 27.823433][ T11] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 28.731642][ T280] Mirror/redirect action on