[ 10.149472][ T252] bond1: (slave dummy1): making interface the new active one [ 10.150447][ T252] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 10.235098][ T255] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 10.316628][ T256] dummy1: entered promiscuous mode [ 10.845485][ T276] dummy1: left promiscuous mode [ 10.854236][ T276] ip (276) used greatest stack depth: 23272 bytes left [ 11.237945][ T277] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 11.253885][ T277] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 11.272825][ T277] bond1 (unregistering): Released all slaves [ 12.600492][ T309] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 12.602467][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 12.675741][ T311] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 12.706130][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 12.800042][ T312] dummy1: entered promiscuous mode [ 12.800341][ T312] dummy2: entered promiscuous mode [ 13.236516][ T325] dummy1: left promiscuous mode [ 13.236894][ T325] dummy2: left promiscuous mode [ 13.565365][ T326] [ 13.565688][ T326] ============================= [ 13.565957][ T326] WARNING: suspicious RCU usage [ 13.566174][ T326] 6.14.0-rc6-virtme #1 Not tainted [ 13.566373][ T326] ----------------------------- [ 13.566571][ T326] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 13.566898][ T326] [ 13.566898][ T326] other info that might help us debug this: [ 13.566898][ T326] [ 13.567276][ T326] [ 13.567276][ T326] rcu_scheduler_active = 2, debug_locks = 1 [ 13.567557][ T326] 3 locks held by ip/326: [ 13.567718][ T326] #0: ffffffff9aa0d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 13.568089][ T326] #1: ffff88800bfc2d58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 13.568474][ T326] #2: ffffffff9a15b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 13.568816][ T326] [ 13.568816][ T326] stack backtrace: [ 13.569064][ T326] CPU: 2 UID: 0 PID: 326 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 13.569068][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.569070][ T326] Call Trace: [ 13.569072][ T326] [ 13.569074][ T326] dump_stack_lvl+0xb0/0xd0 [ 13.569082][ T326] lockdep_rcu_suspicious+0x1ea/0x280 [ 13.569094][ T326] dev_hard_start_xmit+0x2fc/0x3f0 [ 13.569106][ T326] __dev_queue_xmit+0xef9/0x1850 [ 13.569122][ T326] ? __pfx___dev_queue_xmit+0x10/0x10 [ 13.569128][ T326] ? __alloc_skb+0x148/0x2e0 [ 13.569135][ T326] ? __pfx___alloc_skb+0x10/0x10 [ 13.569138][ T326] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 13.569146][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.569156][ T326] ? __netdev_alloc_skb+0x43/0x660 [ 13.569164][ T326] ad_lacpdu_send+0x572/0x680 [ 13.569172][ T326] bond_3ad_unbind_slave+0x86e/0x2070 [ 13.569183][ T326] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 13.569186][ T326] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 13.569204][ T326] __bond_release_one+0xfa0/0x1560 [ 13.569214][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.569219][ T326] ? __pfx___bond_release_one+0x10/0x10 [ 13.569231][ T326] ? find_held_lock+0x2c/0x110 [ 13.569238][ T326] ? __lock_release+0x103/0x460 [ 13.569241][ T326] ? packet_notifier+0x3a6/0x810 [ 13.569249][ T326] ? bond_netpoll_cleanup+0x158/0x290 [ 13.569265][ T326] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 13.569279][ T326] bond_uninit+0x10c/0x340 [ 13.569284][ T326] ? __pfx_bond_uninit+0x10/0x10 [ 13.569290][ T326] ? notifier_call_chain+0xcd/0x150 [ 13.569302][ T326] unregister_netdevice_many_notify+0x39d/0x19d0 [ 13.569316][ T326] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 13.569319][ T326] ? rtnl_dellink+0x221/0xa30 [ 13.569321][ T326] ? sock_def_readable+0x11e/0x300 [ 13.569327][ T326] ? __pfx___mutex_lock+0x10/0x10 [ 13.569336][ T326] ? rtnl_is_locked+0x15/0x20 [ 13.569340][ T326] ? unregister_netdevice_queue+0x70/0x410 [ 13.569346][ T326] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 13.569350][ T326] ? __nla_validate_parse+0x48/0x3d0 [ 13.569365][ T326] rtnl_dellink+0x341/0xa30 [ 13.569372][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 13.569439][ T326] ? find_held_lock+0x2c/0x110 [ 13.569447][ T326] ? __lock_release+0x103/0x460 [ 13.569449][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 13.569454][ T326] ? __pfx___lock_release+0x10/0x10 [ 13.569457][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.569469][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 13.569474][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 13.569479][ T326] rtnetlink_rcv_msg+0x712/0xc10 [ 13.569486][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.569490][ T326] ? hlock_class+0x4e/0x130 [ 13.569493][ T326] ? mark_lock+0x38/0x3e0 [ 13.569503][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.569511][ T326] netlink_rcv_skb+0x130/0x360 [ 13.569516][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.569523][ T326] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 13.569545][ T326] ? netlink_deliver_tap+0x13e/0x340 [ 13.569551][ T326] ? netlink_deliver_tap+0xc3/0x340 [ 13.569559][ T326] netlink_unicast+0x44b/0x710 [ 13.569567][ T326] ? __pfx_netlink_unicast+0x10/0x10 [ 13.569572][ T326] ? find_held_lock+0x2c/0x110 [ 13.569583][ T326] netlink_sendmsg+0x723/0xbe0 [ 13.569593][ T326] ? __pfx_netlink_sendmsg+0x10/0x10 [ 13.569610][ T326] ____sys_sendmsg+0x7ac/0xa10 [ 13.569617][ T326] ? __pfx_____sys_sendmsg+0x10/0x10 [ 13.569620][ T326] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 13.569639][ T326] ___sys_sendmsg+0xee/0x170 [ 13.569646][ T326] ? __pfx____sys_sendmsg+0x10/0x10 [ 13.569655][ T326] ? kasan_save_stack+0x34/0x50 [ 13.569659][ T326] ? kasan_save_stack+0x24/0x50 [ 13.569662][ T326] ? kasan_record_aux_stack+0x8c/0xa0 [ 13.569666][ T326] ? __call_rcu_common.constprop.0+0xa1/0x5b0 [ 13.569669][ T326] ? __x64_sys_close+0x7c/0xd0 [ 13.569672][ T326] ? do_syscall_64+0xc1/0x1d0 [ 13.569675][ T326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.569680][ T326] ? __lock_acquire+0xb9a/0x1680 [ 13.569684][ T326] ? lock_downgrade+0xb2/0x110 [ 13.569692][ T326] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 13.569698][ T326] ? find_held_lock+0x2c/0x110 [ 13.569705][ T326] ? __lock_release+0x103/0x460 [ 13.569707][ T326] ? __virt_addr_valid+0x22b/0x430 [ 13.569713][ T326] ? __pfx___lock_release+0x10/0x10 [ 13.569716][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.569726][ T326] __sys_sendmsg+0x109/0x1a0 [ 13.569730][ T326] ? __pfx___sys_sendmsg+0x10/0x10 [ 13.569755][ T326] do_syscall_64+0xc1/0x1d0 [ 13.569761][ T326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.569764][ T326] RIP: 0033:0x7fb2e32169a7 [ 13.569769][ 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 [ 13.569772][ T326] RSP: 002b:00007ffc0f927578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.569775][ T326] RAX: ffffffffffffffda RBX: 00007ffc0f927ca0 RCX: 00007fb2e32169a7 [ 13.569778][ T326] RDX: 0000000000000000 RSI: 00007ffc0f9275e0 RDI: 0000000000000005 [ 13.569779][ T326] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 13.569781][ T326] R10: 00007fb2e30d4ef8 R11: 0000000000000246 R12: 0000000000000001 [ 13.569783][ T326] R13: 0000000067da673f R14: 0000000000498600 R15: 0000000000000000 [ 13.569800][ T326] [ 13.569864][ T326] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 13.589615][ T326] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 13.591203][ T326] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 13.619708][ T326] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 13.620645][ T326] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 13.642928][ T326] bond1 (unregistering): Released all slaves [ 13.671479][ T326] ip (326) used greatest stack depth: 22152 bytes left [ 14.841786][ T354] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 14.946862][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 15.050828][ T357] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 15.482743][ T369] bond1: (slave dummy1): Removing an active aggregator [ 15.483335][ T369] bond1: (slave dummy1): Releasing backup interface [ 16.094852][ T373] bond1 (unregistering): Released all slaves [ 16.717327][ T390] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 16.818050][ T357] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 16.922038][ T357] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 17.317638][ T403] bond1: (slave dummy1): Removing an active aggregator [ 17.318082][ T403] bond1: (slave dummy1): Releasing backup interface [ 17.933843][ T407] bond1 (unregistering): Released all slaves