[ 133.103542][ T763] bond1: (slave dummy1): making interface the new active one [ 133.105212][ T763] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 133.201197][ T766] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 133.306314][ T767] dummy1: entered promiscuous mode [ 133.849711][ T786] dummy1: left promiscuous mode [ 134.262968][ T787] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 134.271680][ T787] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 134.281313][ T787] bond1 (unregistering): Released all slaves [ 135.705496][ T818] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 135.780409][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 135.806927][ T820] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 135.888359][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 135.955513][ T821] dummy1: entered promiscuous mode [ 135.955845][ T821] dummy2: entered promiscuous mode [ 136.450081][ T834] dummy1: left promiscuous mode [ 136.450991][ T834] dummy2: left promiscuous mode [ 136.842519][ T835] [ 136.842843][ T835] ============================= [ 136.843036][ T835] WARNING: suspicious RCU usage [ 136.843240][ T835] 6.14.0-rc6-virtme #1 Not tainted [ 136.843635][ T835] ----------------------------- [ 136.843825][ T835] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 136.844160][ T835] [ 136.844160][ T835] other info that might help us debug this: [ 136.844160][ T835] [ 136.844538][ T835] [ 136.844538][ T835] rcu_scheduler_active = 2, debug_locks = 1 [ 136.844810][ T835] 3 locks held by ip/835: [ 136.844953][ T835] #0: ffffffff8e80d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 136.845325][ T835] #1: ffff88800a36ad58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 136.845725][ T835] #2: ffffffff8df5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 136.846057][ T835] [ 136.846057][ T835] stack backtrace: [ 136.846350][ T835] CPU: 3 UID: 0 PID: 835 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 136.846355][ T835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 136.846357][ T835] Call Trace: [ 136.846360][ T835] [ 136.846362][ T835] dump_stack_lvl+0xb0/0xd0 [ 136.846371][ T835] lockdep_rcu_suspicious+0x1ea/0x280 [ 136.846384][ T835] dev_hard_start_xmit+0x2fc/0x3f0 [ 136.846397][ T835] __dev_queue_xmit+0xef9/0x1850 [ 136.846413][ T835] ? __pfx___dev_queue_xmit+0x10/0x10 [ 136.846419][ T835] ? __alloc_skb+0x148/0x2e0 [ 136.846427][ T835] ? __pfx___alloc_skb+0x10/0x10 [ 136.846430][ T835] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 136.846439][ T835] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 136.846449][ T835] ? __netdev_alloc_skb+0x43/0x660 [ 136.846461][ T835] ad_lacpdu_send+0x572/0x680 [ 136.846475][ T835] bond_3ad_unbind_slave+0x86e/0x2070 [ 136.846492][ T835] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 136.846495][ T835] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 136.846515][ T835] __bond_release_one+0xfa0/0x1560 [ 136.846526][ T835] ? __lock_acquire+0xb9a/0x1680 [ 136.846532][ T835] ? __pfx___bond_release_one+0x10/0x10 [ 136.846543][ T835] ? find_held_lock+0x2c/0x110 [ 136.846551][ T835] ? __lock_release+0x103/0x460 [ 136.846553][ T835] ? packet_notifier+0x3a6/0x810 [ 136.846563][ T835] ? bond_netpoll_cleanup+0x158/0x290 [ 136.846571][ T835] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 136.846585][ T835] bond_uninit+0x10c/0x340 [ 136.846590][ T835] ? __pfx_bond_uninit+0x10/0x10 [ 136.846596][ T835] ? notifier_call_chain+0xcd/0x150 [ 136.846610][ T835] unregister_netdevice_many_notify+0x39d/0x19d0 [ 136.846626][ T835] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 136.846628][ T835] ? rtnl_dellink+0x221/0xa30 [ 136.846631][ T835] ? sock_def_readable+0x11e/0x300 [ 136.846638][ T835] ? __pfx___mutex_lock+0x10/0x10 [ 136.846648][ T835] ? rtnl_is_locked+0x15/0x20 [ 136.846652][ T835] ? unregister_netdevice_queue+0x70/0x410 [ 136.846658][ T835] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 136.846663][ T835] ? __nla_validate_parse+0x48/0x3d0 [ 136.846679][ T835] rtnl_dellink+0x341/0xa30 [ 136.846687][ T835] ? __pfx_rtnl_dellink+0x10/0x10 [ 136.846753][ T835] ? find_held_lock+0x2c/0x110 [ 136.846761][ T835] ? __lock_release+0x103/0x460 [ 136.846763][ T835] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 136.846768][ T835] ? __pfx___lock_release+0x10/0x10 [ 136.846772][ T835] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 136.846784][ T835] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 136.846789][ T835] ? __pfx_rtnl_dellink+0x10/0x10 [ 136.846793][ T835] rtnetlink_rcv_msg+0x712/0xc10 [ 136.846800][ T835] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 136.846804][ T835] ? hlock_class+0x4e/0x130 [ 136.846808][ T835] ? mark_lock+0x38/0x3e0 [ 136.846818][ T835] ? __lock_acquire+0xb9a/0x1680 [ 136.846825][ T835] netlink_rcv_skb+0x130/0x360 [ 136.846831][ T835] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 136.846838][ T835] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 136.846861][ T835] ? netlink_deliver_tap+0x13e/0x340 [ 136.846866][ T835] ? netlink_deliver_tap+0xc3/0x340 [ 136.846874][ T835] netlink_unicast+0x44b/0x710 [ 136.846883][ T835] ? __pfx_netlink_unicast+0x10/0x10 [ 136.846888][ T835] ? find_held_lock+0x2c/0x110 [ 136.846899][ T835] netlink_sendmsg+0x723/0xbe0 [ 136.846909][ T835] ? __pfx_netlink_sendmsg+0x10/0x10 [ 136.846926][ T835] ____sys_sendmsg+0x7ac/0xa10 [ 136.846934][ T835] ? __pfx_____sys_sendmsg+0x10/0x10 [ 136.846937][ T835] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 136.846940][ T835] ? rcu_read_lock_any_held+0x43/0xb0 [ 136.846950][ T835] ? validate_chain+0x1fe/0xae0 [ 136.846961][ T835] ___sys_sendmsg+0xee/0x170 [ 136.846964][ T835] ? __pfx_validate_chain+0x10/0x10 [ 136.846970][ T835] ? __pfx____sys_sendmsg+0x10/0x10 [ 136.846980][ T835] ? __lock_acquire+0xb9a/0x1680 [ 136.846995][ T835] ? lock_acquire.part.0+0xeb/0x330 [ 136.846999][ T835] ? rcu_report_qs_rdp+0x7c/0x3a0 [ 136.847003][ T835] ? find_held_lock+0x2c/0x110 [ 136.847010][ T835] ? __lock_release+0x103/0x460 [ 136.847012][ T835] ? rcu_core+0x158/0x4f0 [ 136.847017][ T835] ? __pfx___lock_release+0x10/0x10 [ 136.847019][ T835] ? trace_rcu_quiescent_state_report+0x3c/0x260 [ 136.847029][ T835] __sys_sendmsg+0x109/0x1a0 [ 136.847034][ T835] ? __pfx___sys_sendmsg+0x10/0x10 [ 136.847049][ T835] ? handle_softirqs+0x32e/0x5c0 [ 136.847064][ T835] do_syscall_64+0xc1/0x1d0 [ 136.847072][ T835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 136.847077][ T835] RIP: 0033:0x7ff79fbb79a7 [ 136.847083][ T835] 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 [ 136.847086][ T835] RSP: 002b:00007ffe45e01f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.847090][ T835] RAX: ffffffffffffffda RBX: 00007ffe45e026c0 RCX: 00007ff79fbb79a7 [ 136.847092][ T835] RDX: 0000000000000000 RSI: 00007ffe45e02000 RDI: 0000000000000005 [ 136.847094][ T835] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 136.847096][ T835] R10: 00007ff79fa75ef8 R11: 0000000000000246 R12: 0000000000000001 [ 136.847098][ T835] R13: 0000000067da63bf R14: 0000000000498600 R15: 0000000000000000 [ 136.847116][ T835] [ 136.870580][ T835] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 136.871044][ T835] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 136.872566][ T835] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 136.894102][ T835] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 136.895064][ T835] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 136.913341][ T835] bond1 (unregistering): Released all slaves [ 136.949661][ T835] ip (835) used greatest stack depth: 22736 bytes left [ 138.303371][ T863] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 138.411810][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 138.516406][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 139.070008][ T877] bond1: (slave dummy1): Removing an active aggregator [ 139.070931][ T877] bond1: (slave dummy1): Releasing backup interface [ 139.718295][ T881] bond1 (unregistering): Released all slaves [ 140.400568][ T898] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 140.492338][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 140.612729][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 141.029780][ T911] bond1: (slave dummy1): Removing an active aggregator [ 141.030330][ T911] bond1: (slave dummy1): Releasing backup interface [ 141.688641][ T915] bond1 (unregistering): Released all slaves