[ 912.156170][T14178] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 912.483625][T14184] br0: port 1(veth0) entered blocking state [ 912.484166][T14184] br0: port 1(veth0) entered disabled state [ 912.484484][T14184] veth0: entered allmulticast mode [ 912.487087][T14184] veth0: entered promiscuous mode [ 912.816937][T14187] br0: port 1(veth0) entered blocking state [ 912.817619][T14187] br0: port 1(veth0) entered forwarding state [ 916.414909][T14232] veth0: left allmulticast mode [ 916.415203][T14232] veth0: left promiscuous mode [ 916.415597][T14232] br0: port 1(veth0) entered disabled state [ 916.740697][T14235] 8021q: 802.1Q VLAN Support v1.8 [ 916.861858][T14236] [ 916.862074][T14236] ============================================ [ 916.862300][T14236] WARNING: possible recursive locking detected [ 916.862519][T14236] 6.13.0-rc5-virtme #1 Not tainted [ 916.862698][T14236] -------------------------------------------- [ 916.862914][T14236] ip/14236 is trying to acquire lock: [ 916.863100][T14236] ffffffffb59dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 916.863480][T14236] [ 916.863480][T14236] but task is already holding lock: [ 916.863735][T14236] ffffffffb59dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 916.864082][T14236] [ 916.864082][T14236] other info that might help us debug this: [ 916.864333][T14236] Possible unsafe locking scenario: [ 916.864333][T14236] [ 916.864592][T14236] CPU0 [ 916.864722][T14236] ---- [ 916.864850][T14236] lock((netdev_chain).rwsem); [ 916.865023][T14236] lock((netdev_chain).rwsem); [ 916.865206][T14236] [ 916.865206][T14236] *** DEADLOCK *** [ 916.865206][T14236] [ 916.865458][T14236] May be due to missing lock nesting notation [ 916.865458][T14236] [ 916.865717][T14236] 2 locks held by ip/14236: [ 916.865888][T14236] #0: ffffffffb59f1088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x653/0xa70 [ 916.866199][T14236] #1: ffffffffb59dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 916.866545][T14236] [ 916.866545][T14236] stack backtrace: [ 916.866758][T14236] CPU: 0 UID: 0 PID: 14236 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 916.867022][T14236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 916.867240][T14236] Call Trace: [ 916.867374][T14236] [ 916.867466][T14236] dump_stack_lvl+0x82/0xd0 [ 916.867646][T14236] print_deadlock_bug+0x40a/0x650 [ 916.867823][T14236] validate_chain+0x5bf/0xae0 [ 916.868000][T14236] ? __pfx_validate_chain+0x10/0x10 [ 916.868178][T14236] ? hlock_class+0x4e/0x130 [ 916.868356][T14236] ? mark_lock+0x38/0x3e0 [ 916.868490][T14236] ? add_lock_to_list+0x61/0x5e0 [ 916.868664][T14236] __lock_acquire+0xb9a/0x1680 [ 916.868835][T14236] ? validate_chain+0x5a7/0xae0 [ 916.869009][T14236] lock_acquire.part.0+0xeb/0x330 [ 916.869183][T14236] ? blocking_notifier_call_chain+0x50/0x90 [ 916.869398][T14236] ? __pfx_validate_chain+0x10/0x10 [ 916.869580][T14236] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 916.869751][T14236] ? trace_lock_acquire+0x14c/0x1f0 [ 916.869927][T14236] ? lock_acquire+0x32/0xc0 [ 916.870102][T14236] ? blocking_notifier_call_chain+0x50/0x90 [ 916.870314][T14236] down_read+0x9f/0x340 [ 916.870446][T14236] ? blocking_notifier_call_chain+0x50/0x90 [ 916.870676][T14236] ? __pfx_down_read+0x10/0x10 [ 916.870860][T14236] blocking_notifier_call_chain+0x50/0x90 [ 916.871037][T14236] __dev_open+0x15c/0x430 [ 916.871171][T14236] ? __pfx___dev_open+0x10/0x10 [ 916.871355][T14236] ? mark_held_locks+0x9e/0xe0 [ 916.871530][T14236] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 916.871754][T14236] __dev_change_flags+0x469/0x6c0 [ 916.871928][T14236] ? __pfx___dev_change_flags+0x10/0x10 [ 916.872110][T14236] dev_change_flags+0x80/0x160 [ 916.872290][T14236] vlan_device_event+0x810/0x2130 [8021q] [ 916.872470][T14236] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [ 916.872733][T14236] ? __pfx_vlan_device_event+0x10/0x10 [8021q] [ 916.872949][T14236] ? __pfx_br_device_event+0x10/0x10 [bridge] [ 916.873211][T14236] ? nft_offload_netdev_event+0x3d/0x3b0 [nf_tables] [ 916.873455][T14236] notifier_call_chain+0xcd/0x150 [ 916.873637][T14236] blocking_notifier_call_chain+0x66/0x90 [ 916.873807][T14236] __dev_notify_flags+0xe6/0x250 [ 916.873992][T14236] ? __pfx___dev_notify_flags+0x10/0x10 [ 916.874162][T14236] ? __pfx___dev_change_flags+0x10/0x10 [ 916.874347][T14236] ? unwind_get_return_address+0x5e/0xa0 [ 916.874521][T14236] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 916.874742][T14236] ? __pfx_validate_chain+0x10/0x10 [ 916.874922][T14236] dev_change_flags+0xec/0x160 [ 916.875095][T14236] do_setlink.constprop.0+0x79d/0x2300 [ 916.875282][T14236] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 916.875493][T14236] ? lock_acquire.part.0+0xeb/0x330 [ 916.875669][T14236] ? rtnl_newlink+0x653/0xa70 [ 916.875853][T14236] ? rtnl_newlink+0xb9/0xa70 [ 916.876039][T14236] ? rtnetlink_rcv_msg+0x712/0xc10 [ 916.876211][T14236] ? __mutex_trylock_common+0xfa/0x260 [ 916.876393][T14236] ? __pfx___mutex_trylock_common+0x10/0x10 [ 916.876616][T14236] ? lock_acquire+0x32/0xc0 [ 916.876791][T14236] ? trace_contention_end+0xef/0x150 [ 916.876969][T14236] ? __mutex_lock+0x190/0xbc0 [ 916.877152][T14236] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 916.877344][T14236] ? rtnl_newlink+0x653/0xa70 [ 916.877519][T14236] ? __pfx___mutex_lock+0x10/0x10 [ 916.877697][T14236] ? __create_object+0x5e/0xb0 [ 916.877883][T14236] ? __rtnl_newlink+0x3f2/0xa80 [ 916.878060][T14236] rtnl_newlink+0x69c/0xa70 [ 916.878243][T14236] ? __pfx_rtnl_newlink+0x10/0x10 [ 916.878429][T14236] ? find_held_lock+0x2c/0x110 [ 916.878614][T14236] ? __pfx___lock_release+0x10/0x10 [ 916.878799][T14236] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 916.878973][T14236] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 916.879153][T14236] ? __pfx_rtnl_newlink+0x10/0x10 [ 916.879333][T14236] rtnetlink_rcv_msg+0x712/0xc10 [ 916.879505][T14236] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 916.879688][T14236] ? hlock_class+0x4e/0x130 [ 916.879874][T14236] ? mark_lock+0x38/0x3e0 [ 916.880013][T14236] ? __lock_acquire+0xb9a/0x1680 [ 916.880198][T14236] netlink_rcv_skb+0x130/0x360 [ 916.880377][T14236] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 916.880556][T14236] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 916.880737][T14236] ? netlink_deliver_tap+0x13e/0x340 [ 916.880922][T14236] ? netlink_deliver_tap+0xc3/0x340 [ 916.881096][T14236] netlink_unicast+0x44b/0x710 [ 916.881287][T14236] ? __pfx_netlink_unicast+0x10/0x10 [ 916.881467][T14236] ? find_held_lock+0x2c/0x110 [ 916.881651][T14236] ? __lock_release+0x103/0x460 [ 916.881822][T14236] netlink_sendmsg+0x723/0xbe0 [ 916.882007][T14236] ? __pfx_netlink_sendmsg+0x10/0x10 [ 916.882191][T14236] ? _copy_from_user+0x55/0xa0 [ 916.882375][T14236] ____sys_sendmsg+0x7ac/0xa10 [ 916.882559][T14236] ? __pfx_____sys_sendmsg+0x10/0x10 [ 916.882749][T14236] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 916.882975][T14236] ___sys_sendmsg+0xee/0x170 [ 916.883163][T14236] ? __pfx____sys_sendmsg+0x10/0x10 [ 916.883347][T14236] ? kasan_save_stack+0x34/0x50 [ 916.883539][T14236] ? kasan_save_stack+0x24/0x50 [ 916.883730][T14236] ? __kasan_record_aux_stack+0x8e/0xa0 [ 916.883911][T14236] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 916.884137][T14236] ? __x64_sys_close+0x7c/0xd0 [ 916.884317][T14236] ? do_syscall_64+0xc1/0x1d0 [ 916.884503][T14236] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 916.884725][T14236] ? __lock_acquire+0xb9a/0x1680 [ 916.884903][T14236] ? find_held_lock+0x2c/0x110 [ 916.885082][T14236] ? __lock_release+0x103/0x460 [ 916.885259][T14236] ? __virt_addr_valid+0x22b/0x430 [ 916.885453][T14236] ? __pfx___lock_release+0x10/0x10 [ 916.885634][T14236] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 916.885812][T14236] __sys_sendmsg+0x109/0x1a0 [ 916.885997][T14236] ? __pfx___sys_sendmsg+0x10/0x10 [ 916.886167][T14236] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 916.886394][T14236] do_syscall_64+0xc1/0x1d0 [ 916.886569][T14236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 916.886803][T14236] RIP: 0033:0x7f69a01049a7 [ 916.886994][T14236] 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 [ 916.887627][T14236] RSP: 002b:00007ffff6916598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 916.887901][T14236] RAX: ffffffffffffffda RBX: 00007ffff6916cd0 RCX: 00007f69a01049a7 [ 916.888177][T14236] RDX: 0000000000000000 RSI: 00007ffff6916600 RDI: 0000000000000005 [ 916.888445][T14236] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 916.888708][T14236] R10: 00007f699ffc24a8 R11: 0000000000000246 R12: 0000000000000003 [ 916.888986][T14236] R13: 000000006779539b R14: 0000000000498600 R15: 0000000000000000 [ 916.889262][T14236] [ 917.049058][T14239] br0: port 1(veth0.10) entered blocking state [ 917.049372][T14239] br0: port 1(veth0.10) entered disabled state [ 917.049634][T14239] veth0.10: entered allmulticast mode [ 917.049812][T14239] veth0: entered allmulticast mode [ 917.051657][T14239] veth0.10: entered promiscuous mode [ 917.051872][T14239] veth0: entered promiscuous mode [ 917.052915][T14239] br0: port 1(veth0.10) entered blocking state [ 917.053177][T14239] br0: port 1(veth0.10) entered forwarding state [ 919.743064][T14290] veth0: left allmulticast mode [ 919.743293][T14290] veth0: left promiscuous mode [ 919.744655][T14290] br0: port 1(veth0.10) entered disabled state [ 919.907796][T14292] veth0.10 (unregistering): left allmulticast mode [ 919.908166][T14292] veth0.10 (unregistering): left promiscuous mode [ 919.908368][T14292] br0: port 1(veth0.10) entered disabled state [ 921.611923][T14315] Initializing XFRM netlink socket [ 949.001576][T14611] br0: port 1(veth0) entered blocking state [ 949.001856][T14611] br0: port 1(veth0) entered disabled state [ 949.002125][T14611] veth0: entered allmulticast mode [ 949.003646][T14611] veth0: entered promiscuous mode [ 949.236597][T14614] br0: port 1(veth0) entered blocking state [ 949.236927][T14614] br0: port 1(veth0) entered forwarding state [ 953.777896][T14659] veth0: left allmulticast mode [ 953.778222][T14659] veth0: left promiscuous mode [ 953.778640][T14659] br0: port 1(veth0) entered disabled state [ 954.184298][T14664] br0: port 1(veth0.10) entered blocking state [ 954.184576][T14664] br0: port 1(veth0.10) entered disabled state [ 954.184833][T14664] veth0.10: entered allmulticast mode [ 954.185012][T14664] veth0: entered allmulticast mode [ 954.186604][T14664] veth0.10: entered promiscuous mode [ 954.186825][T14664] veth0: entered promiscuous mode [ 954.187870][T14664] br0: port 1(veth0.10) entered blocking state [ 954.188129][T14664] br0: port 1(veth0.10) entered forwarding state [ 958.907600][T14715] veth0: left allmulticast mode [ 958.907813][T14715] veth0: left promiscuous mode [ 958.909183][T14715] br0: port 1(veth0.10) entered disabled state [ 959.077910][T14717] veth0.10 (unregistering): left allmulticast mode [ 959.078238][T14717] veth0.10 (unregistering): left promiscuous mode [ 959.078448][T14717] br0: port 1(veth0.10) entered disabled state