[ 921.222452][T14176] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 921.577360][T14182] br0: port 1(veth0) entered blocking state [ 921.578051][T14182] br0: port 1(veth0) entered disabled state [ 921.578477][T14182] veth0: entered allmulticast mode [ 921.580867][T14182] veth0: entered promiscuous mode [ 921.909014][T14185] br0: port 1(veth0) entered blocking state [ 921.909509][T14185] br0: port 1(veth0) entered forwarding state [ 925.406274][T14230] veth0: left allmulticast mode [ 925.406534][T14230] veth0: left promiscuous mode [ 925.406905][T14230] br0: port 1(veth0) entered disabled state [ 925.725950][T14233] 8021q: 802.1Q VLAN Support v1.8 [ 925.852527][T14234] [ 925.852691][T14234] ============================================ [ 925.852941][T14234] WARNING: possible recursive locking detected [ 925.853178][T14234] 6.13.0-rc5-virtme #1 Not tainted [ 925.853365][T14234] -------------------------------------------- [ 925.853595][T14234] ip/14234 is trying to acquire lock: [ 925.853797][T14234] ffffffff8a3dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 925.854197][T14234] [ 925.854197][T14234] but task is already holding lock: [ 925.854479][T14234] ffffffff8a3dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 925.854861][T14234] [ 925.854861][T14234] other info that might help us debug this: [ 925.855144][T14234] Possible unsafe locking scenario: [ 925.855144][T14234] [ 925.855418][T14234] CPU0 [ 925.855558][T14234] ---- [ 925.855697][T14234] lock((netdev_chain).rwsem); [ 925.855886][T14234] lock((netdev_chain).rwsem); [ 925.856072][T14234] [ 925.856072][T14234] *** DEADLOCK *** [ 925.856072][T14234] [ 925.856359][T14234] May be due to missing lock nesting notation [ 925.856359][T14234] [ 925.856630][T14234] 2 locks held by ip/14234: [ 925.856816][T14234] #0: ffffffff8a3f1088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x653/0xa70 [ 925.857150][T14234] #1: ffffffff8a3dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 925.857532][T14234] [ 925.857532][T14234] stack backtrace: [ 925.857764][T14234] CPU: 2 UID: 0 PID: 14234 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 925.858042][T14234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 925.858277][T14234] Call Trace: [ 925.858419][T14234] [ 925.858516][T14234] dump_stack_lvl+0x82/0xd0 [ 925.858710][T14234] print_deadlock_bug+0x40a/0x650 [ 925.858907][T14234] validate_chain+0x5bf/0xae0 [ 925.859095][T14234] ? __pfx_validate_chain+0x10/0x10 [ 925.859283][T14234] ? hlock_class+0x4e/0x130 [ 925.859472][T14234] ? mark_lock+0x38/0x3e0 [ 925.859613][T14234] ? add_lock_to_list+0x61/0x5e0 [ 925.859799][T14234] __lock_acquire+0xb9a/0x1680 [ 925.859986][T14234] ? validate_chain+0x5a7/0xae0 [ 925.860173][T14234] lock_acquire.part.0+0xeb/0x330 [ 925.860369][T14234] ? blocking_notifier_call_chain+0x50/0x90 [ 925.860603][T14234] ? __pfx_validate_chain+0x10/0x10 [ 925.860792][T14234] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 925.860978][T14234] ? trace_lock_acquire+0x14c/0x1f0 [ 925.861168][T14234] ? lock_acquire+0x32/0xc0 [ 925.861353][T14234] ? blocking_notifier_call_chain+0x50/0x90 [ 925.861593][T14234] down_read+0x9f/0x340 [ 925.861737][T14234] ? blocking_notifier_call_chain+0x50/0x90 [ 925.861970][T14234] ? __pfx_down_read+0x10/0x10 [ 925.862163][T14234] blocking_notifier_call_chain+0x50/0x90 [ 925.862349][T14234] __dev_open+0x15c/0x430 [ 925.862494][T14234] ? __pfx___dev_open+0x10/0x10 [ 925.862681][T14234] ? mark_held_locks+0x9e/0xe0 [ 925.862866][T14234] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 925.863118][T14234] __dev_change_flags+0x469/0x6c0 [ 925.863306][T14234] ? __pfx___dev_change_flags+0x10/0x10 [ 925.863496][T14234] dev_change_flags+0x80/0x160 [ 925.863684][T14234] vlan_device_event+0x810/0x2130 [8021q] [ 925.863917][T14234] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [ 925.864189][T14234] ? __pfx_vlan_device_event+0x10/0x10 [8021q] [ 925.864432][T14234] ? __pfx_br_device_event+0x10/0x10 [bridge] [ 925.864707][T14234] ? nft_offload_netdev_event+0x3d/0x3b0 [nf_tables] [ 925.864968][T14234] notifier_call_chain+0xcd/0x150 [ 925.865161][T14234] blocking_notifier_call_chain+0x66/0x90 [ 925.865351][T14234] __dev_notify_flags+0xe6/0x250 [ 925.865538][T14234] ? __pfx___dev_notify_flags+0x10/0x10 [ 925.865728][T14234] ? __pfx___dev_change_flags+0x10/0x10 [ 925.865921][T14234] ? unwind_get_return_address+0x5e/0xa0 [ 925.866110][T14234] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 925.866345][T14234] ? __pfx_validate_chain+0x10/0x10 [ 925.866536][T14234] dev_change_flags+0xec/0x160 [ 925.866730][T14234] do_setlink.constprop.0+0x79d/0x2300 [ 925.866919][T14234] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 925.867158][T14234] ? lock_acquire.part.0+0xeb/0x330 [ 925.867346][T14234] ? rtnl_newlink+0x653/0xa70 [ 925.867532][T14234] ? rtnl_newlink+0xb9/0xa70 [ 925.867717][T14234] ? rtnetlink_rcv_msg+0x712/0xc10 [ 925.867904][T14234] ? __mutex_trylock_common+0xfa/0x260 [ 925.868092][T14234] ? __pfx___mutex_trylock_common+0x10/0x10 [ 925.868321][T14234] ? lock_acquire+0x32/0xc0 [ 925.868513][T14234] ? trace_contention_end+0xef/0x150 [ 925.868699][T14234] ? __mutex_lock+0x190/0xbc0 [ 925.868893][T14234] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 925.869082][T14234] ? rtnl_newlink+0x653/0xa70 [ 925.869268][T14234] ? __pfx___mutex_lock+0x10/0x10 [ 925.869457][T14234] ? __create_object+0x5e/0xb0 [ 925.869646][T14234] ? __rtnl_newlink+0x3f2/0xa80 [ 925.869834][T14234] rtnl_newlink+0x69c/0xa70 [ 925.870031][T14234] ? __pfx_rtnl_newlink+0x10/0x10 [ 925.870223][T14234] ? find_held_lock+0x2c/0x110 [ 925.870414][T14234] ? __pfx___lock_release+0x10/0x10 [ 925.870602][T14234] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 925.870791][T14234] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 925.870977][T14234] ? __pfx_rtnl_newlink+0x10/0x10 [ 925.871163][T14234] rtnetlink_rcv_msg+0x712/0xc10 [ 925.871355][T14234] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 925.871542][T14234] ? hlock_class+0x4e/0x130 [ 925.871730][T14234] ? mark_lock+0x38/0x3e0 [ 925.871873][T14234] ? __lock_acquire+0xb9a/0x1680 [ 925.872058][T14234] netlink_rcv_skb+0x130/0x360 [ 925.872244][T14234] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 925.872430][T14234] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 925.872621][T14234] ? netlink_deliver_tap+0x13e/0x340 [ 925.872816][T14234] ? netlink_deliver_tap+0xc3/0x340 [ 925.873003][T14234] netlink_unicast+0x44b/0x710 [ 925.873188][T14234] ? __pfx_netlink_unicast+0x10/0x10 [ 925.873374][T14234] ? find_held_lock+0x2c/0x110 [ 925.873560][T14234] ? __lock_release+0x103/0x460 [ 925.873755][T14234] netlink_sendmsg+0x723/0xbe0 [ 925.873942][T14234] ? __pfx_netlink_sendmsg+0x10/0x10 [ 925.874139][T14234] ? _copy_from_user+0x55/0xa0 [ 925.874331][T14234] ____sys_sendmsg+0x7ac/0xa10 [ 925.874519][T14234] ? __pfx_____sys_sendmsg+0x10/0x10 [ 925.874703][T14234] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 925.874938][T14234] ___sys_sendmsg+0xee/0x170 [ 925.875125][T14234] ? __pfx____sys_sendmsg+0x10/0x10 [ 925.875311][T14234] ? kasan_save_stack+0x34/0x50 [ 925.875510][T14234] ? kasan_save_stack+0x24/0x50 [ 925.875698][T14234] ? __kasan_record_aux_stack+0x8e/0xa0 [ 925.875885][T14234] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 925.876116][T14234] ? __x64_sys_close+0x7c/0xd0 [ 925.876304][T14234] ? do_syscall_64+0xc1/0x1d0 [ 925.876494][T14234] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 925.876724][T14234] ? __lock_acquire+0xb9a/0x1680 [ 925.876919][T14234] ? find_held_lock+0x2c/0x110 [ 925.877108][T14234] ? __lock_release+0x103/0x460 [ 925.877296][T14234] ? __virt_addr_valid+0x22b/0x430 [ 925.877486][T14234] ? __pfx___lock_release+0x10/0x10 [ 925.877671][T14234] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 925.877859][T14234] __sys_sendmsg+0x109/0x1a0 [ 925.878046][T14234] ? __pfx___sys_sendmsg+0x10/0x10 [ 925.878238][T14234] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 925.878476][T14234] do_syscall_64+0xc1/0x1d0 [ 925.878664][T14234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 925.878893][T14234] RIP: 0033:0x7f978c4b39a7 [ 925.879088][T14234] 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 [ 925.879751][T14234] RSP: 002b:00007fff93743558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 925.880037][T14234] RAX: ffffffffffffffda RBX: 00007fff93743c90 RCX: 00007f978c4b39a7 [ 925.880317][T14234] RDX: 0000000000000000 RSI: 00007fff937435c0 RDI: 0000000000000005 [ 925.880597][T14234] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 925.880884][T14234] R10: 00007f978c3714a8 R11: 0000000000000246 R12: 0000000000000003 [ 925.881163][T14234] R13: 000000006778ff64 R14: 0000000000498600 R15: 0000000000000000 [ 925.881444][T14234] [ 926.050391][T14237] br0: port 1(veth0.10) entered blocking state [ 926.050818][T14237] br0: port 1(veth0.10) entered disabled state [ 926.051121][T14237] veth0.10: entered allmulticast mode [ 926.051303][T14237] veth0: entered allmulticast mode [ 926.053105][T14237] veth0.10: entered promiscuous mode [ 926.053298][T14237] veth0: entered promiscuous mode [ 926.054377][T14237] br0: port 1(veth0.10) entered blocking state [ 926.054610][T14237] br0: port 1(veth0.10) entered forwarding state [ 928.971767][T14288] veth0: left allmulticast mode [ 928.971978][T14288] veth0: left promiscuous mode [ 928.973358][T14288] br0: port 1(veth0.10) entered disabled state [ 929.134358][T14290] veth0.10 (unregistering): left allmulticast mode [ 929.134647][T14290] veth0.10 (unregistering): left promiscuous mode [ 929.134893][T14290] br0: port 1(veth0.10) entered disabled state [ 930.890942][T14313] Initializing XFRM netlink socket [ 964.576481][T14609] br0: port 1(veth0) entered blocking state [ 964.576744][T14609] br0: port 1(veth0) entered disabled state [ 964.576963][T14609] veth0: entered allmulticast mode [ 964.579528][T14609] veth0: entered promiscuous mode [ 964.808080][T14612] br0: port 1(veth0) entered blocking state [ 964.808362][T14612] br0: port 1(veth0) entered forwarding state [ 970.645930][T14657] veth0: left allmulticast mode [ 970.646166][T14657] veth0: left promiscuous mode [ 970.646457][T14657] br0: port 1(veth0) entered disabled state [ 971.033339][T14662] br0: port 1(veth0.10) entered blocking state [ 971.033755][T14662] br0: port 1(veth0.10) entered disabled state [ 971.034148][T14662] veth0.10: entered allmulticast mode [ 971.034391][T14662] veth0: entered allmulticast mode [ 971.036998][T14662] veth0.10: entered promiscuous mode [ 971.037252][T14662] veth0: entered promiscuous mode [ 971.039491][T14662] br0: port 1(veth0.10) entered blocking state [ 971.039808][T14662] br0: port 1(veth0.10) entered forwarding state [ 977.236315][T14713] veth0: left allmulticast mode [ 977.236574][T14713] veth0: left promiscuous mode [ 977.238371][T14713] br0: port 1(veth0.10) entered disabled state [ 977.389441][T14715] veth0.10 (unregistering): left allmulticast mode [ 977.389762][T14715] veth0.10 (unregistering): left promiscuous mode [ 977.390014][T14715] br0: port 1(veth0.10) entered disabled state