[ 138.541848][ T766] bond1: (slave dummy1): making interface the new active one [ 138.542674][ T766] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 138.634897][ T768] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 138.743200][ T769] dummy1: entered promiscuous mode [ 139.268028][ T789] dummy1: left promiscuous mode [ 139.654492][ T790] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 139.662030][ T790] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 139.668991][ T790] bond1 (unregistering): Released all slaves [ 141.091808][ T820] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 141.188524][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 141.198435][ T822] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 141.292554][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 141.330890][ T823] dummy1: entered promiscuous mode [ 141.331192][ T823] dummy2: entered promiscuous mode [ 141.771138][ T836] dummy1: left promiscuous mode [ 141.771664][ T836] dummy2: left promiscuous mode [ 142.179319][ T837] [ 142.179671][ T837] ============================= [ 142.179952][ T837] WARNING: suspicious RCU usage [ 142.180144][ T837] 6.14.0-rc6-virtme #1 Not tainted [ 142.180606][ T837] ----------------------------- [ 142.180855][ T837] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 142.181195][ T837] [ 142.181195][ T837] other info that might help us debug this: [ 142.181195][ T837] [ 142.181654][ T837] [ 142.181654][ T837] rcu_scheduler_active = 2, debug_locks = 1 [ 142.182248][ T837] 3 locks held by ip/837: [ 142.182478][ T837] #0: ffffffffae00d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 142.182836][ T837] #1: ffff888007bcad58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 142.183318][ T837] #2: ffffffffad75b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 142.183796][ T837] [ 142.183796][ T837] stack backtrace: [ 142.184093][ T837] CPU: 1 UID: 0 PID: 837 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 142.184098][ T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 142.184100][ T837] Call Trace: [ 142.184103][ T837] [ 142.184105][ T837] dump_stack_lvl+0xb0/0xd0 [ 142.184114][ T837] lockdep_rcu_suspicious+0x1ea/0x280 [ 142.184126][ T837] dev_hard_start_xmit+0x2fc/0x3f0 [ 142.184138][ T837] __dev_queue_xmit+0xef9/0x1850 [ 142.184155][ T837] ? __pfx___dev_queue_xmit+0x10/0x10 [ 142.184161][ T837] ? __alloc_skb+0x148/0x2e0 [ 142.184167][ T837] ? __pfx___alloc_skb+0x10/0x10 [ 142.184170][ T837] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 142.184180][ T837] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 142.184190][ T837] ? __netdev_alloc_skb+0x43/0x660 [ 142.184199][ T837] ad_lacpdu_send+0x572/0x680 [ 142.184207][ T837] bond_3ad_unbind_slave+0x86e/0x2070 [ 142.184218][ T837] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 142.184221][ T837] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 142.184239][ T837] __bond_release_one+0xfa0/0x1560 [ 142.184249][ T837] ? __lock_acquire+0xb9a/0x1680 [ 142.184255][ T837] ? __pfx___bond_release_one+0x10/0x10 [ 142.184266][ T837] ? find_held_lock+0x2c/0x110 [ 142.184274][ T837] ? __lock_release+0x103/0x460 [ 142.184277][ T837] ? packet_notifier+0x3a6/0x810 [ 142.184285][ T837] ? bond_netpoll_cleanup+0x158/0x290 [ 142.184293][ T837] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 142.184307][ T837] bond_uninit+0x10c/0x340 [ 142.184313][ T837] ? __pfx_bond_uninit+0x10/0x10 [ 142.184319][ T837] ? notifier_call_chain+0xcd/0x150 [ 142.184330][ T837] unregister_netdevice_many_notify+0x39d/0x19d0 [ 142.184344][ T837] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 142.184346][ T837] ? rtnl_dellink+0x221/0xa30 [ 142.184349][ T837] ? sock_def_readable+0x11e/0x300 [ 142.184355][ T837] ? __pfx___mutex_lock+0x10/0x10 [ 142.184363][ T837] ? rtnl_is_locked+0x15/0x20 [ 142.184366][ T837] ? unregister_netdevice_queue+0x70/0x410 [ 142.184372][ T837] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 142.184376][ T837] ? __nla_validate_parse+0x48/0x3d0 [ 142.184392][ T837] rtnl_dellink+0x341/0xa30 [ 142.184399][ T837] ? __pfx_rtnl_dellink+0x10/0x10 [ 142.184465][ T837] ? find_held_lock+0x2c/0x110 [ 142.184473][ T837] ? __lock_release+0x103/0x460 [ 142.184475][ T837] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 142.184480][ T837] ? __pfx___lock_release+0x10/0x10 [ 142.184483][ T837] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 142.184496][ T837] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 142.184502][ T837] ? __pfx_rtnl_dellink+0x10/0x10 [ 142.184509][ T837] rtnetlink_rcv_msg+0x712/0xc10 [ 142.184520][ T837] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 142.184527][ T837] ? hlock_class+0x4e/0x130 [ 142.184534][ T837] ? mark_lock+0x38/0x3e0 [ 142.184551][ T837] ? __lock_acquire+0xb9a/0x1680 [ 142.184563][ T837] netlink_rcv_skb+0x130/0x360 [ 142.184572][ T837] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 142.184585][ T837] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 142.184624][ T837] ? netlink_deliver_tap+0x13e/0x340 [ 142.184630][ T837] ? netlink_deliver_tap+0xc3/0x340 [ 142.184638][ T837] netlink_unicast+0x44b/0x710 [ 142.184647][ T837] ? __pfx_netlink_unicast+0x10/0x10 [ 142.184654][ T837] ? find_held_lock+0x2c/0x110 [ 142.184674][ T837] netlink_sendmsg+0x723/0xbe0 [ 142.184692][ T837] ? __pfx_netlink_sendmsg+0x10/0x10 [ 142.184709][ T837] ____sys_sendmsg+0x7ac/0xa10 [ 142.184717][ T837] ? __pfx_____sys_sendmsg+0x10/0x10 [ 142.184720][ T837] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 142.184740][ T837] ___sys_sendmsg+0xee/0x170 [ 142.184748][ T837] ? __pfx____sys_sendmsg+0x10/0x10 [ 142.184757][ T837] ? kasan_save_stack+0x34/0x50 [ 142.184762][ T837] ? kasan_save_stack+0x24/0x50 [ 142.184764][ T837] ? kasan_record_aux_stack+0x8c/0xa0 [ 142.184768][ T837] ? __call_rcu_common.constprop.0+0xa1/0x5b0 [ 142.184772][ T837] ? __x64_sys_close+0x7c/0xd0 [ 142.184775][ T837] ? do_syscall_64+0xc1/0x1d0 [ 142.184779][ T837] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.184785][ T837] ? __lock_acquire+0xb9a/0x1680 [ 142.184790][ T837] ? lock_downgrade+0xb2/0x110 [ 142.184801][ T837] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 142.184812][ T837] ? find_held_lock+0x2c/0x110 [ 142.184826][ T837] ? __lock_release+0x103/0x460 [ 142.184830][ T837] ? __virt_addr_valid+0x22b/0x430 [ 142.184838][ T837] ? __pfx___lock_release+0x10/0x10 [ 142.184844][ T837] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 142.184862][ T837] __sys_sendmsg+0x109/0x1a0 [ 142.184871][ T837] ? __pfx___sys_sendmsg+0x10/0x10 [ 142.184919][ T837] do_syscall_64+0xc1/0x1d0 [ 142.184925][ T837] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.184929][ T837] RIP: 0033:0x7f6fb1fc89a7 [ 142.184935][ T837] 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 [ 142.184938][ T837] RSP: 002b:00007ffeb9761268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.184943][ T837] RAX: ffffffffffffffda RBX: 00007ffeb9761990 RCX: 00007f6fb1fc89a7 [ 142.184945][ T837] RDX: 0000000000000000 RSI: 00007ffeb97612d0 RDI: 0000000000000005 [ 142.184947][ T837] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 142.184949][ T837] R10: 00007f6fb1e86ef8 R11: 0000000000000246 R12: 0000000000000001 [ 142.184951][ T837] R13: 0000000067da8e67 R14: 0000000000498600 R15: 0000000000000000 [ 142.184969][ T837] [ 142.206026][ T837] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 142.206454][ T837] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 142.207445][ T837] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 142.230492][ T837] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 142.231546][ T837] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 142.242568][ T837] bond1 (unregistering): Released all slaves [ 142.288078][ T837] ip (837) used greatest stack depth: 22536 bytes left [ 143.652314][ T865] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 143.732273][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 143.837451][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 144.400132][ T879] bond1: (slave dummy1): Removing an active aggregator [ 144.400981][ T879] bond1: (slave dummy1): Releasing backup interface [ 145.056285][ T883] bond1 (unregistering): Released all slaves [ 145.758884][ T900] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 145.765438][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 145.869453][ T272] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 146.403348][ T913] bond1: (slave dummy1): Removing an active aggregator [ 146.403921][ T913] bond1: (slave dummy1): Releasing backup interface [ 147.060109][ T917] bond1 (unregistering): Released all slaves