[ 137.899161][ T762] bond1: (slave dummy1): making interface the new active one [ 137.899976][ T762] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 138.014376][ T765] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 138.118297][ T766] dummy1: entered promiscuous mode [ 138.656292][ T785] dummy1: left promiscuous mode [ 139.086618][ T786] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 139.102616][ T786] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 139.116633][ T786] bond1 (unregistering): Released all slaves [ 140.626819][ T816] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 140.707109][ T68] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 140.743708][ T818] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 140.810136][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 140.876864][ T819] dummy1: entered promiscuous mode [ 140.877152][ T819] dummy2: entered promiscuous mode [ 141.371228][ T832] dummy1: left promiscuous mode [ 141.372531][ T832] dummy2: left promiscuous mode [ 141.756585][ T833] [ 141.756891][ T833] ============================= [ 141.757112][ T833] WARNING: suspicious RCU usage [ 141.757325][ T833] 6.14.0-rc6-virtme #1 Not tainted [ 141.757891][ T833] ----------------------------- [ 141.758107][ T833] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 141.758430][ T833] [ 141.758430][ T833] other info that might help us debug this: [ 141.758430][ T833] [ 141.758792][ T833] [ 141.758792][ T833] rcu_scheduler_active = 2, debug_locks = 1 [ 141.759112][ T833] 3 locks held by ip/833: [ 141.759261][ T833] #0: ffffffffb280d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 141.759609][ T833] #1: ffff88800a1ead58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 141.760028][ T833] #2: ffffffffb1f5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 141.760407][ T833] [ 141.760407][ T833] stack backtrace: [ 141.760640][ T833] CPU: 0 UID: 0 PID: 833 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 141.760645][ T833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 141.760648][ T833] Call Trace: [ 141.760650][ T833] [ 141.760653][ T833] dump_stack_lvl+0xb0/0xd0 [ 141.760662][ T833] lockdep_rcu_suspicious+0x1ea/0x280 [ 141.760675][ T833] dev_hard_start_xmit+0x2fc/0x3f0 [ 141.760687][ T833] __dev_queue_xmit+0xef9/0x1850 [ 141.760703][ T833] ? __pfx___dev_queue_xmit+0x10/0x10 [ 141.760710][ T833] ? __alloc_skb+0x148/0x2e0 [ 141.760717][ T833] ? __pfx___alloc_skb+0x10/0x10 [ 141.760720][ T833] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 141.760729][ T833] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 141.760739][ T833] ? __netdev_alloc_skb+0x43/0x660 [ 141.760748][ T833] ad_lacpdu_send+0x572/0x680 [ 141.760757][ T833] bond_3ad_unbind_slave+0x86e/0x2070 [ 141.760769][ T833] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 141.760772][ T833] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 141.760792][ T833] __bond_release_one+0xfa0/0x1560 [ 141.760802][ T833] ? __lock_acquire+0xb9a/0x1680 [ 141.760807][ T833] ? __pfx___bond_release_one+0x10/0x10 [ 141.760819][ T833] ? find_held_lock+0x2c/0x110 [ 141.760826][ T833] ? __lock_release+0x103/0x460 [ 141.760828][ T833] ? packet_notifier+0x3a6/0x810 [ 141.760838][ T833] ? bond_netpoll_cleanup+0x158/0x290 [ 141.760845][ T833] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 141.760859][ T833] bond_uninit+0x10c/0x340 [ 141.760864][ T833] ? __pfx_bond_uninit+0x10/0x10 [ 141.760870][ T833] ? notifier_call_chain+0xcd/0x150 [ 141.760883][ T833] unregister_netdevice_many_notify+0x39d/0x19d0 [ 141.760898][ T833] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 141.760901][ T833] ? rtnl_dellink+0x221/0xa30 [ 141.760903][ T833] ? sock_def_readable+0x11e/0x300 [ 141.760909][ T833] ? __pfx___mutex_lock+0x10/0x10 [ 141.760918][ T833] ? rtnl_is_locked+0x15/0x20 [ 141.760922][ T833] ? unregister_netdevice_queue+0x70/0x410 [ 141.760927][ T833] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 141.760931][ T833] ? __nla_validate_parse+0x48/0x3d0 [ 141.760946][ T833] rtnl_dellink+0x341/0xa30 [ 141.760953][ T833] ? __pfx_rtnl_dellink+0x10/0x10 [ 141.761019][ T833] ? find_held_lock+0x2c/0x110 [ 141.761026][ T833] ? __lock_release+0x103/0x460 [ 141.761029][ T833] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 141.761033][ T833] ? __pfx___lock_release+0x10/0x10 [ 141.761036][ T833] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 141.761053][ T833] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 141.761060][ T833] ? __pfx_rtnl_dellink+0x10/0x10 [ 141.761070][ T833] rtnetlink_rcv_msg+0x712/0xc10 [ 141.761081][ T833] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 141.761088][ T833] ? hlock_class+0x4e/0x130 [ 141.761093][ T833] ? mark_lock+0x38/0x3e0 [ 141.761111][ T833] ? __lock_acquire+0xb9a/0x1680 [ 141.761125][ T833] netlink_rcv_skb+0x130/0x360 [ 141.761134][ T833] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 141.761144][ T833] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 141.761167][ T833] ? netlink_deliver_tap+0x13e/0x340 [ 141.761174][ T833] ? netlink_deliver_tap+0xc3/0x340 [ 141.761181][ T833] netlink_unicast+0x44b/0x710 [ 141.761191][ T833] ? __pfx_netlink_unicast+0x10/0x10 [ 141.761196][ T833] ? find_held_lock+0x2c/0x110 [ 141.761208][ T833] netlink_sendmsg+0x723/0xbe0 [ 141.761218][ T833] ? __pfx_netlink_sendmsg+0x10/0x10 [ 141.761235][ T833] ____sys_sendmsg+0x7ac/0xa10 [ 141.761243][ T833] ? __pfx_____sys_sendmsg+0x10/0x10 [ 141.761246][ T833] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 141.761265][ T833] ___sys_sendmsg+0xee/0x170 [ 141.761273][ T833] ? __pfx____sys_sendmsg+0x10/0x10 [ 141.761282][ T833] ? kasan_save_stack+0x34/0x50 [ 141.761287][ T833] ? kasan_save_stack+0x24/0x50 [ 141.761290][ T833] ? kasan_record_aux_stack+0x8c/0xa0 [ 141.761294][ T833] ? __call_rcu_common.constprop.0+0xa1/0x5b0 [ 141.761298][ T833] ? __x64_sys_close+0x7c/0xd0 [ 141.761302][ T833] ? do_syscall_64+0xc1/0x1d0 [ 141.761307][ T833] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 141.761313][ T833] ? __lock_acquire+0xb9a/0x1680 [ 141.761317][ T833] ? lock_downgrade+0xb2/0x110 [ 141.761325][ T833] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 141.761332][ T833] ? find_held_lock+0x2c/0x110 [ 141.761340][ T833] ? __lock_release+0x103/0x460 [ 141.761342][ T833] ? __virt_addr_valid+0x22b/0x430 [ 141.761348][ T833] ? __pfx___lock_release+0x10/0x10 [ 141.761351][ T833] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 141.761361][ T833] __sys_sendmsg+0x109/0x1a0 [ 141.761366][ T833] ? __pfx___sys_sendmsg+0x10/0x10 [ 141.761392][ T833] do_syscall_64+0xc1/0x1d0 [ 141.761398][ T833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 141.761401][ T833] RIP: 0033:0x7f7ac2d629a7 [ 141.761407][ T833] 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 [ 141.761411][ T833] RSP: 002b:00007ffc17761938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.761415][ T833] RAX: ffffffffffffffda RBX: 00007ffc17762060 RCX: 00007f7ac2d629a7 [ 141.761417][ T833] RDX: 0000000000000000 RSI: 00007ffc177619a0 RDI: 0000000000000005 [ 141.761419][ T833] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 141.761421][ T833] R10: 00007f7ac2c20ef8 R11: 0000000000000246 R12: 0000000000000001 [ 141.761423][ T833] R13: 0000000067dab8d7 R14: 0000000000498600 R15: 0000000000000000 [ 141.761441][ T833] [ 141.781182][ T833] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 141.781589][ T833] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 141.782470][ T833] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 141.802264][ T833] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 141.803401][ T833] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 141.823545][ T833] bond1 (unregistering): Released all slaves [ 141.853477][ T833] ip (833) used greatest stack depth: 23088 bytes left [ 143.228363][ T861] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 143.314241][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 143.418212][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 143.871720][ T875] bond1: (slave dummy1): Removing an active aggregator [ 143.872253][ T875] bond1: (slave dummy1): Releasing backup interface [ 144.482293][ T879] bond1 (unregistering): Released all slaves [ 145.222504][ T896] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 145.298180][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 145.404113][ T271] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 145.834188][ T909] bond1: (slave dummy1): Removing an active aggregator [ 145.835424][ T909] bond1: (slave dummy1): Releasing backup interface [ 146.470780][ T913] bond1 (unregistering): Released all slaves