[ 119.665551][ T700] bond1: (slave dummy1): making interface the new active one [ 119.666354][ T700] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 119.770065][ T702] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 119.864913][ T703] dummy1: entered promiscuous mode [ 120.400553][ T723] dummy1: left promiscuous mode [ 120.778516][ T724] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 120.790885][ T724] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 120.805443][ T724] bond1 (unregistering): Released all slaves [ 120.840957][ T724] ip (724) used greatest stack depth: 22800 bytes left [ 122.254380][ T754] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 122.264484][ T274] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 122.368122][ T274] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 122.371897][ T756] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 122.478645][ T757] dummy1: entered promiscuous mode [ 122.478972][ T757] dummy2: entered promiscuous mode [ 122.945201][ T770] dummy1: left promiscuous mode [ 122.945997][ T770] dummy2: left promiscuous mode [ 123.345558][ T771] [ 123.346210][ T771] ============================= [ 123.346393][ T771] WARNING: suspicious RCU usage [ 123.346564][ T771] 6.14.0-rc6-virtme #1 Not tainted [ 123.346772][ T771] ----------------------------- [ 123.346950][ T771] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 123.347251][ T771] [ 123.347251][ T771] other info that might help us debug this: [ 123.347251][ T771] [ 123.347582][ T771] [ 123.347582][ T771] rcu_scheduler_active = 2, debug_locks = 1 [ 123.347873][ T771] 3 locks held by ip/771: [ 123.348007][ T771] #0: ffffffffab00d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 123.348340][ T771] #1: ffff88800d27ad58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 123.348689][ T771] #2: ffffffffaa75b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 123.349082][ T771] [ 123.349082][ T771] stack backtrace: [ 123.349306][ T771] CPU: 3 UID: 0 PID: 771 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 123.349311][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 123.349313][ T771] Call Trace: [ 123.349315][ T771] [ 123.349318][ T771] dump_stack_lvl+0xb0/0xd0 [ 123.349327][ T771] lockdep_rcu_suspicious+0x1ea/0x280 [ 123.349341][ T771] dev_hard_start_xmit+0x2fc/0x3f0 [ 123.349354][ T771] __dev_queue_xmit+0xef9/0x1850 [ 123.349370][ T771] ? __pfx___dev_queue_xmit+0x10/0x10 [ 123.349376][ T771] ? __alloc_skb+0x148/0x2e0 [ 123.349384][ T771] ? __pfx___alloc_skb+0x10/0x10 [ 123.349387][ T771] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 123.349397][ T771] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 123.349407][ T771] ? __netdev_alloc_skb+0x43/0x660 [ 123.349416][ T771] ad_lacpdu_send+0x572/0x680 [ 123.349424][ T771] bond_3ad_unbind_slave+0x86e/0x2070 [ 123.349436][ T771] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 123.349439][ T771] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 123.349459][ T771] __bond_release_one+0xfa0/0x1560 [ 123.349469][ T771] ? __lock_acquire+0xb9a/0x1680 [ 123.349474][ T771] ? __pfx___bond_release_one+0x10/0x10 [ 123.349485][ T771] ? find_held_lock+0x2c/0x110 [ 123.349493][ T771] ? __lock_release+0x103/0x460 [ 123.349495][ T771] ? packet_notifier+0x3a6/0x810 [ 123.349504][ T771] ? bond_netpoll_cleanup+0x158/0x290 [ 123.349512][ T771] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 123.349526][ T771] bond_uninit+0x10c/0x340 [ 123.349531][ T771] ? __pfx_bond_uninit+0x10/0x10 [ 123.349538][ T771] ? notifier_call_chain+0xcd/0x150 [ 123.349551][ T771] unregister_netdevice_many_notify+0x39d/0x19d0 [ 123.349566][ T771] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 123.349569][ T771] ? rtnl_dellink+0x221/0xa30 [ 123.349572][ T771] ? sock_def_readable+0x11e/0x300 [ 123.349580][ T771] ? __pfx___mutex_lock+0x10/0x10 [ 123.349596][ T771] ? rtnl_is_locked+0x15/0x20 [ 123.349602][ T771] ? unregister_netdevice_queue+0x70/0x410 [ 123.349612][ T771] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 123.349618][ T771] ? __nla_validate_parse+0x48/0x3d0 [ 123.349643][ T771] rtnl_dellink+0x341/0xa30 [ 123.349656][ T771] ? __pfx_rtnl_dellink+0x10/0x10 [ 123.349722][ T771] ? find_held_lock+0x2c/0x110 [ 123.349730][ T771] ? __lock_release+0x103/0x460 [ 123.349732][ T771] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 123.349737][ T771] ? __pfx___lock_release+0x10/0x10 [ 123.349741][ T771] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 123.349753][ T771] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 123.349758][ T771] ? __pfx_rtnl_dellink+0x10/0x10 [ 123.349763][ T771] rtnetlink_rcv_msg+0x712/0xc10 [ 123.349770][ T771] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 123.349775][ T771] ? hlock_class+0x4e/0x130 [ 123.349779][ T771] ? mark_lock+0x38/0x3e0 [ 123.349789][ T771] ? __lock_acquire+0xb9a/0x1680 [ 123.349797][ T771] netlink_rcv_skb+0x130/0x360 [ 123.349804][ T771] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 123.349811][ T771] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 123.349833][ T771] ? netlink_deliver_tap+0x13e/0x340 [ 123.349839][ T771] ? netlink_deliver_tap+0xc3/0x340 [ 123.349847][ T771] netlink_unicast+0x44b/0x710 [ 123.349855][ T771] ? __pfx_netlink_unicast+0x10/0x10 [ 123.349861][ T771] ? find_held_lock+0x2c/0x110 [ 123.349872][ T771] netlink_sendmsg+0x723/0xbe0 [ 123.349881][ T771] ? __pfx_netlink_sendmsg+0x10/0x10 [ 123.349898][ T771] ____sys_sendmsg+0x7ac/0xa10 [ 123.349906][ T771] ? __pfx_____sys_sendmsg+0x10/0x10 [ 123.349909][ T771] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 123.349928][ T771] ___sys_sendmsg+0xee/0x170 [ 123.349936][ T771] ? __pfx____sys_sendmsg+0x10/0x10 [ 123.349945][ T771] ? kasan_save_stack+0x34/0x50 [ 123.349950][ T771] ? kasan_save_stack+0x24/0x50 [ 123.349952][ T771] ? kasan_record_aux_stack+0x8c/0xa0 [ 123.349956][ T771] ? __call_rcu_common.constprop.0+0xa1/0x5b0 [ 123.349959][ T771] ? __x64_sys_close+0x7c/0xd0 [ 123.349963][ T771] ? do_syscall_64+0xc1/0x1d0 [ 123.349967][ T771] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.349972][ T771] ? __lock_acquire+0xb9a/0x1680 [ 123.349976][ T771] ? lock_downgrade+0xb2/0x110 [ 123.349984][ T771] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 123.349991][ T771] ? find_held_lock+0x2c/0x110 [ 123.349998][ T771] ? __lock_release+0x103/0x460 [ 123.350000][ T771] ? __virt_addr_valid+0x22b/0x430 [ 123.350006][ T771] ? __pfx___lock_release+0x10/0x10 [ 123.350009][ T771] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 123.350019][ T771] __sys_sendmsg+0x109/0x1a0 [ 123.350024][ T771] ? __pfx___sys_sendmsg+0x10/0x10 [ 123.350053][ T771] do_syscall_64+0xc1/0x1d0 [ 123.350058][ T771] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.350061][ T771] RIP: 0033:0x7f55076c39a7 [ 123.350067][ T771] 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 [ 123.350070][ T771] RSP: 002b:00007ffda59de5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.350074][ T771] RAX: ffffffffffffffda RBX: 00007ffda59dece0 RCX: 00007f55076c39a7 [ 123.350076][ T771] RDX: 0000000000000000 RSI: 00007ffda59de620 RDI: 0000000000000005 [ 123.350078][ T771] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 123.350080][ T771] R10: 00007f5507581ef8 R11: 0000000000000246 R12: 0000000000000001 [ 123.350082][ T771] R13: 0000000067da3a52 R14: 0000000000498600 R15: 0000000000000000 [ 123.350099][ T771] [ 123.368372][ T771] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 123.369115][ T771] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 123.369894][ T771] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 123.394184][ T771] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 123.395347][ T771] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 123.415565][ T771] bond1 (unregistering): Released all slaves [ 123.456450][ T771] ip (771) used greatest stack depth: 22768 bytes left [ 124.771683][ T800] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 124.881197][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 124.985401][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 125.482323][ T813] bond1: (slave dummy1): Removing an active aggregator [ 125.482868][ T813] bond1: (slave dummy1): Releasing backup interface [ 126.096083][ T817] bond1 (unregistering): Released all slaves [ 126.758860][ T834] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 126.769643][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 126.872135][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 127.344732][ T847] bond1: (slave dummy1): Removing an active aggregator [ 127.345468][ T847] bond1: (slave dummy1): Releasing backup interface [ 127.868098][ T851] bond1 (unregistering): Released all slaves