[ 10.399743][ T253] bond1: (slave dummy1): making interface the new active one [ 10.400851][ T253] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 10.419576][ T253] ip (253) used greatest stack depth: 23728 bytes left [ 10.507941][ T256] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 10.605012][ T257] dummy1: entered promiscuous mode [ 11.054596][ T277] dummy1: left promiscuous mode [ 11.458038][ T278] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 11.471643][ T278] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 11.489042][ T278] bond1 (unregistering): Released all slaves [ 12.848435][ T308] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 12.954753][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 13.003575][ T310] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 13.064198][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 13.089031][ T311] dummy1: entered promiscuous mode [ 13.089319][ T311] dummy2: entered promiscuous mode [ 13.536771][ T325] dummy1: left promiscuous mode [ 13.538070][ T325] dummy2: left promiscuous mode [ 13.962519][ T326] [ 13.962842][ T326] ============================= [ 13.963096][ T326] WARNING: suspicious RCU usage [ 13.963299][ T326] 6.14.0-rc6-virtme #1 Not tainted [ 13.963695][ T326] ----------------------------- [ 13.963896][ T326] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 13.964245][ T326] [ 13.964245][ T326] other info that might help us debug this: [ 13.964245][ T326] [ 13.964628][ T326] [ 13.964628][ T326] rcu_scheduler_active = 2, debug_locks = 1 [ 13.964915][ T326] 3 locks held by ip/326: [ 13.965107][ T326] #0: ffffffffb100d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 13.965480][ T326] #1: ffff8880050d2d58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 13.965878][ T326] #2: ffffffffb075b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 13.966246][ T326] [ 13.966246][ T326] stack backtrace: [ 13.966490][ T326] CPU: 2 UID: 0 PID: 326 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 13.966495][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.966497][ T326] Call Trace: [ 13.966499][ T326] [ 13.966502][ T326] dump_stack_lvl+0xb0/0xd0 [ 13.966510][ T326] lockdep_rcu_suspicious+0x1ea/0x280 [ 13.966524][ T326] dev_hard_start_xmit+0x2fc/0x3f0 [ 13.966535][ T326] __dev_queue_xmit+0xef9/0x1850 [ 13.966552][ T326] ? __pfx___dev_queue_xmit+0x10/0x10 [ 13.966558][ T326] ? __alloc_skb+0x148/0x2e0 [ 13.966565][ T326] ? __pfx___alloc_skb+0x10/0x10 [ 13.966568][ T326] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 13.966577][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.966587][ T326] ? __netdev_alloc_skb+0x43/0x660 [ 13.966596][ T326] ad_lacpdu_send+0x572/0x680 [ 13.966604][ T326] bond_3ad_unbind_slave+0x86e/0x2070 [ 13.966616][ T326] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 13.966619][ T326] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 13.966639][ T326] __bond_release_one+0xfa0/0x1560 [ 13.966649][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.966654][ T326] ? __pfx___bond_release_one+0x10/0x10 [ 13.966666][ T326] ? find_held_lock+0x2c/0x110 [ 13.966674][ T326] ? __lock_release+0x103/0x460 [ 13.966676][ T326] ? packet_notifier+0x3a6/0x810 [ 13.966688][ T326] ? bond_netpoll_cleanup+0x158/0x290 [ 13.966697][ T326] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 13.966716][ T326] bond_uninit+0x10c/0x340 [ 13.966723][ T326] ? __pfx_bond_uninit+0x10/0x10 [ 13.966732][ T326] ? notifier_call_chain+0xcd/0x150 [ 13.966751][ T326] unregister_netdevice_many_notify+0x39d/0x19d0 [ 13.966766][ T326] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 13.966769][ T326] ? rtnl_dellink+0x221/0xa30 [ 13.966772][ T326] ? sock_def_readable+0x11e/0x300 [ 13.966779][ T326] ? __pfx___mutex_lock+0x10/0x10 [ 13.966790][ T326] ? rtnl_is_locked+0x15/0x20 [ 13.966794][ T326] ? unregister_netdevice_queue+0x70/0x410 [ 13.966800][ T326] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 13.966804][ T326] ? __nla_validate_parse+0x48/0x3d0 [ 13.966821][ T326] rtnl_dellink+0x341/0xa30 [ 13.966829][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 13.966896][ T326] ? find_held_lock+0x2c/0x110 [ 13.966904][ T326] ? __lock_release+0x103/0x460 [ 13.966906][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 13.966911][ T326] ? __pfx___lock_release+0x10/0x10 [ 13.966914][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.966927][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 13.966932][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 13.966936][ T326] rtnetlink_rcv_msg+0x712/0xc10 [ 13.966943][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.966948][ T326] ? hlock_class+0x4e/0x130 [ 13.966951][ T326] ? mark_lock+0x38/0x3e0 [ 13.966962][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.966969][ T326] netlink_rcv_skb+0x130/0x360 [ 13.966976][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.966983][ T326] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 13.967005][ T326] ? netlink_deliver_tap+0x13e/0x340 [ 13.967011][ T326] ? netlink_deliver_tap+0xc3/0x340 [ 13.967019][ T326] netlink_unicast+0x44b/0x710 [ 13.967028][ T326] ? __pfx_netlink_unicast+0x10/0x10 [ 13.967033][ T326] ? find_held_lock+0x2c/0x110 [ 13.967044][ T326] netlink_sendmsg+0x723/0xbe0 [ 13.967056][ T326] ? __pfx_netlink_sendmsg+0x10/0x10 [ 13.967073][ T326] ____sys_sendmsg+0x7ac/0xa10 [ 13.967081][ T326] ? __pfx_____sys_sendmsg+0x10/0x10 [ 13.967084][ T326] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 13.967111][ T326] ___sys_sendmsg+0xee/0x170 [ 13.967124][ T326] ? __pfx____sys_sendmsg+0x10/0x10 [ 13.967133][ T326] ? kasan_save_stack+0x34/0x50 [ 13.967138][ T326] ? kasan_save_stack+0x24/0x50 [ 13.967141][ T326] ? kasan_record_aux_stack+0x8c/0xa0 [ 13.967145][ T326] ? __call_rcu_common.constprop.0+0xa1/0x5b0 [ 13.967149][ T326] ? __x64_sys_close+0x7c/0xd0 [ 13.967153][ T326] ? do_syscall_64+0xc1/0x1d0 [ 13.967157][ T326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.967164][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.967169][ T326] ? lock_downgrade+0xb2/0x110 [ 13.967176][ T326] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 13.967184][ T326] ? find_held_lock+0x2c/0x110 [ 13.967191][ T326] ? __lock_release+0x103/0x460 [ 13.967193][ T326] ? __virt_addr_valid+0x22b/0x430 [ 13.967200][ T326] ? __pfx___lock_release+0x10/0x10 [ 13.967203][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.967213][ T326] __sys_sendmsg+0x109/0x1a0 [ 13.967218][ T326] ? __pfx___sys_sendmsg+0x10/0x10 [ 13.967243][ T326] do_syscall_64+0xc1/0x1d0 [ 13.967249][ T326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.967253][ T326] RIP: 0033:0x7f5310a439a7 [ 13.967259][ T326] 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 [ 13.967262][ T326] RSP: 002b:00007ffc665dad78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.967266][ T326] RAX: ffffffffffffffda RBX: 00007ffc665db4a0 RCX: 00007f5310a439a7 [ 13.967269][ T326] RDX: 0000000000000000 RSI: 00007ffc665dade0 RDI: 0000000000000005 [ 13.967270][ T326] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 13.967272][ T326] R10: 00007f5310901ef8 R11: 0000000000000246 R12: 0000000000000001 [ 13.967274][ T326] R13: 0000000067da91ed R14: 0000000000498600 R15: 0000000000000000 [ 13.967292][ T326] [ 13.988221][ T326] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 13.988706][ T326] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 13.997181][ T326] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 14.007484][ T326] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 14.008474][ T326] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 14.027250][ T326] bond1 (unregistering): Released all slaves [ 14.061071][ T326] ip (326) used greatest stack depth: 23024 bytes left [ 15.286760][ T355] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 15.372382][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 15.480174][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 15.940455][ T369] bond1: (slave dummy1): Removing an active aggregator [ 15.941000][ T369] bond1: (slave dummy1): Releasing backup interface [ 16.542951][ T373] bond1 (unregistering): Released all slaves [ 17.171859][ T390] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 17.272528][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 17.376686][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 17.749740][ T403] bond1: (slave dummy1): Removing an active aggregator [ 17.750269][ T403] bond1: (slave dummy1): Releasing backup interface [ 18.371874][ T407] bond1 (unregistering): Released all slaves