[ 27.286650][ T241] ip (241) used greatest stack depth: 24616 bytes left [ 27.916460][ T244] bond0: (slave eth0): making interface the new active one [ 27.917526][ T244] bond0: (slave eth0): Enslaving as an active interface with an up link [ 33.266013][ T248] bond0: (slave eth0): Releasing backup interface [ 33.285573][ C1] BUG: spinlock bad magic on CPU#1, ip/248 [ 33.285828][ C1] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: ip/248, .owner_cpu: 1 [ 33.286080][ C1] CPU: 1 UID: 0 PID: 248 Comm: ip Not tainted 6.10.0-virtme #1 [ 33.286298][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.286628][ C1] Call Trace: [ 33.286745][ C1] [ 33.286849][ C1] dump_stack_lvl+0xb0/0xd0 [ 33.286999][ C1] do_raw_spin_unlock+0x1ac/0x220 [ 33.287144][ C1] _raw_spin_unlock+0x23/0x40 [ 33.287289][ C1] net_tx_action+0x402/0x660 [ 33.287438][ C1] handle_softirqs+0x1f9/0x5c0 [ 33.287590][ C1] ? dev_deactivate_many+0x1e2/0x8d0 [ 33.287748][ C1] do_softirq+0x4d/0xa0 [ 33.287858][ C1] [ 33.287934][ C1] [ 33.288006][ C1] __local_bh_enable_ip+0xf6/0x120 [ 33.288155][ C1] dev_deactivate_many+0x1e7/0x8d0 [ 33.288299][ C1] __dev_close_many+0x12b/0x2d0 [ 33.288441][ C1] ? __pfx___dev_close_many+0x10/0x10 [ 33.288582][ C1] ? notifier_call_chain+0xcd/0x150 [ 33.288748][ C1] dev_close_many+0x202/0x650 [ 33.288893][ C1] ? __pfx_netdev_change_features+0x10/0x10 [ 33.289080][ C1] ? __pfx_dev_close_many+0x10/0x10 [ 33.289224][ C1] ? ip6_route_dev_notify+0x39/0x340 [ 33.289367][ C1] ? bond_compute_features+0x451/0x730 [ 33.289512][ C1] dev_close+0x12f/0x1f0 [ 33.289619][ C1] ? __pfx_dev_close+0x10/0x10 [ 33.289786][ C1] __bond_release_one+0x7b9/0x1450 [ 33.289935][ C1] ? __pfx___bond_release_one+0x10/0x10 [ 33.290082][ C1] ? hlock_class+0x4e/0x130 [ 33.290223][ C1] ? mark_lock+0x39/0x3e0 [ 33.290330][ C1] ? __lock_acquire+0xb35/0x1560 [ 33.290470][ C1] ? find_held_lock+0x2c/0x110 [ 33.290613][ C1] do_set_master+0xb5/0x1c0 [ 33.290756][ C1] do_setlink+0x84b/0x21e0 [ 33.290897][ C1] ? is_bpf_text_address+0x67/0x120 [ 33.291040][ C1] ? __pfx_do_setlink+0x10/0x10 [ 33.291182][ C1] ? is_bpf_text_address+0x71/0x120 [ 33.291323][ C1] ? kernel_text_address+0xce/0xe0 [ 33.291463][ C1] ? __kernel_text_address+0x12/0x40 [ 33.291604][ C1] ? unwind_get_return_address+0x5e/0xa0 [ 33.291743][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 33.291920][ C1] ? arch_stack_walk+0xa2/0xf0 [ 33.292062][ C1] ? stack_trace_save+0x94/0xd0 [ 33.292203][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 33.292344][ C1] ? __pfx_validate_nla+0x10/0x10 [ 33.292491][ C1] ? mark_lock+0x38/0x3e0 [ 33.292596][ C1] ? kasan_save_stack+0x34/0x50 [ 33.292776][ C1] ? __nla_validate_parse+0x1bc/0x3d0 [ 33.292995][ C1] __rtnl_newlink+0xaa7/0xd80 [ 33.293230][ C1] ? hlock_class+0x4e/0x130 [ 33.293457][ C1] ? __pfx___rtnl_newlink+0x10/0x10 [ 33.293679][ C1] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.293947][ C1] ? __create_object+0x5e/0xb0 [ 33.294145][ C1] ? trace_kmalloc+0x2d/0xe0 [ 33.294322][ C1] rtnl_newlink+0x63/0xa0 [ 33.294490][ C1] rtnetlink_rcv_msg+0x2fb/0xc10 [ 33.294714][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.294927][ C1] ? hlock_class+0x4e/0x130 [ 33.295141][ C1] ? mark_lock+0x38/0x3e0 [ 33.295305][ C1] ? __lock_acquire+0xb35/0x1560 [ 33.295504][ C1] netlink_rcv_skb+0x130/0x360 [ 33.295746][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.295972][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 33.296197][ C1] ? netlink_deliver_tap+0x13e/0x340 [ 33.296424][ C1] ? netlink_deliver_tap+0xc3/0x340 [ 33.296643][ C1] netlink_unicast+0x44b/0x710 [ 33.296866][ C1] ? __pfx_netlink_unicast+0x10/0x10 [ 33.297095][ C1] ? find_held_lock+0x2c/0x110 [ 33.297330][ C1] netlink_sendmsg+0x723/0xbe0 [ 33.297560][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 33.297791][ C1] ? __might_fault+0xc3/0x170 [ 33.298012][ C1] ? __import_iovec+0x35d/0x5d0 [ 33.298245][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 33.298466][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 33.298688][ C1] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 33.298960][ C1] ? __pfx_validate_chain+0x10/0x10 [ 33.299192][ C1] ___sys_sendmsg+0xee/0x170 [ 33.299427][ C1] ? __pfx____sys_sendmsg+0x10/0x10 [ 33.299657][ C1] ? find_held_lock+0x2c/0x110 [ 33.299884][ C1] ? __lock_release+0x103/0x460 [ 33.300100][ C1] ? __debug_check_no_obj_freed+0x253/0x520 [ 33.300374][ C1] ? __pfx___lock_release+0x10/0x10 [ 33.300595][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 33.300822][ C1] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 33.301101][ C1] ? __fget_light+0x53/0x1e0 [ 33.301334][ C1] __sys_sendmsg+0xcd/0x170 [ 33.301560][ C1] ? __pfx___sys_sendmsg+0x10/0x10 [ 33.301774][ C1] ? __virt_addr_valid+0x230/0x430 [ 33.302035][ C1] do_syscall_64+0xc1/0x1d0 [ 33.302245][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.302529][ C1] RIP: 0033:0x7f0c3d3157b7 [ 33.302756][ 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 [ 33.303555][ C1] RSP: 002b:00007ffcd0f61378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.303906][ C1] RAX: ffffffffffffffda RBX: 00007ffcd0f61aa0 RCX: 00007f0c3d3157b7 [ 33.304241][ C1] RDX: 0000000000000000 RSI: 00007ffcd0f613e0 RDI: 0000000000000005 [ 33.304580][ C1] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 33.304900][ C1] R10: 00007f0c3d1d3ef8 R11: 0000000000000246 R12: 0000000000000003 [ 33.305225][ C1] R13: 0000000066ab86da R14: 0000000000496600 R15: 0000000000000000 [ 33.305561][ C1] [ 34.101414][ T251] bond0: (slave eth0): Enslaving as an active interface with an up link [ 38.974612][ T76] bond0: (slave eth0): Releasing backup interface