[ 1060.248722][T15024] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 1060.587997][T15029] br0: port 1(veth0) entered blocking state [ 1060.588493][T15029] br0: port 1(veth0) entered disabled state [ 1060.588828][T15029] veth0: entered allmulticast mode [ 1060.590890][T15029] veth0: entered promiscuous mode [ 1060.914683][T15032] br0: port 1(veth0) entered blocking state [ 1060.915344][T15032] br0: port 1(veth0) entered forwarding state [ 1064.447062][T15077] veth0: left allmulticast mode [ 1064.447300][T15077] veth0: left promiscuous mode [ 1064.447681][T15077] br0: port 1(veth0) entered disabled state [ 1064.742299][T15080] 8021q: 802.1Q VLAN Support v1.8 [ 1064.849204][T15081] [ 1064.849412][T15081] ============================================ [ 1064.849616][T15081] WARNING: possible recursive locking detected [ 1064.849816][T15081] 6.13.0-rc5-virtme #1 Not tainted [ 1064.849974][T15081] -------------------------------------------- [ 1064.850163][T15081] ip/15081 is trying to acquire lock: [ 1064.850318][T15081] ffffffff98ddfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 1064.850629][T15081] [ 1064.850629][T15081] but task is already holding lock: [ 1064.850849][T15081] ffffffff98ddfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 1064.851156][T15081] [ 1064.851156][T15081] other info that might help us debug this: [ 1064.851382][T15081] Possible unsafe locking scenario: [ 1064.851382][T15081] [ 1064.851608][T15081] CPU0 [ 1064.851721][T15081] ---- [ 1064.851838][T15081] lock((netdev_chain).rwsem); [ 1064.851990][T15081] lock((netdev_chain).rwsem); [ 1064.852142][T15081] [ 1064.852142][T15081] *** DEADLOCK *** [ 1064.852142][T15081] [ 1064.852364][T15081] May be due to missing lock nesting notation [ 1064.852364][T15081] [ 1064.852590][T15081] 2 locks held by ip/15081: [ 1064.852743][T15081] #0: ffffffff98df1088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x653/0xa70 [ 1064.853016][T15081] #1: ffffffff98ddfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 1064.853323][T15081] [ 1064.853323][T15081] stack backtrace: [ 1064.853517][T15081] CPU: 3 UID: 0 PID: 15081 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 1064.853770][T15081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1064.853959][T15081] Call Trace: [ 1064.854079][T15081] [ 1064.854160][T15081] dump_stack_lvl+0x82/0xd0 [ 1064.854319][T15081] print_deadlock_bug+0x40a/0x650 [ 1064.854497][T15081] validate_chain+0x5bf/0xae0 [ 1064.854658][T15081] ? __pfx_validate_chain+0x10/0x10 [ 1064.854811][T15081] ? hlock_class+0x4e/0x130 [ 1064.854965][T15081] ? mark_lock+0x38/0x3e0 [ 1064.855081][T15081] ? add_lock_to_list+0x61/0x5e0 [ 1064.855234][T15081] __lock_acquire+0xb9a/0x1680 [ 1064.855388][T15081] ? validate_chain+0x5a7/0xae0 [ 1064.855540][T15081] lock_acquire.part.0+0xeb/0x330 [ 1064.855695][T15081] ? blocking_notifier_call_chain+0x50/0x90 [ 1064.855893][T15081] ? __pfx_validate_chain+0x10/0x10 [ 1064.856045][T15081] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1064.856196][T15081] ? trace_lock_acquire+0x14c/0x1f0 [ 1064.856356][T15081] ? lock_acquire+0x32/0xc0 [ 1064.856516][T15081] ? blocking_notifier_call_chain+0x50/0x90 [ 1064.856707][T15081] down_read+0x9f/0x340 [ 1064.856824][T15081] ? blocking_notifier_call_chain+0x50/0x90 [ 1064.857016][T15081] ? __pfx_down_read+0x10/0x10 [ 1064.857171][T15081] blocking_notifier_call_chain+0x50/0x90 [ 1064.857325][T15081] __dev_open+0x15c/0x430 [ 1064.857442][T15081] ? __pfx___dev_open+0x10/0x10 [ 1064.857593][T15081] ? mark_held_locks+0x9e/0xe0 [ 1064.857751][T15081] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1064.857943][T15081] __dev_change_flags+0x469/0x6c0 [ 1064.858105][T15081] ? __pfx___dev_change_flags+0x10/0x10 [ 1064.858259][T15081] dev_change_flags+0x80/0x160 [ 1064.858414][T15081] vlan_device_event+0x810/0x2130 [8021q] [ 1064.858573][T15081] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [ 1064.858797][T15081] ? __pfx_vlan_device_event+0x10/0x10 [8021q] [ 1064.858989][T15081] ? __pfx_br_device_event+0x10/0x10 [bridge] [ 1064.859219][T15081] ? nft_offload_netdev_event+0x3d/0x3b0 [nf_tables] [ 1064.859440][T15081] notifier_call_chain+0xcd/0x150 [ 1064.859596][T15081] blocking_notifier_call_chain+0x66/0x90 [ 1064.859756][T15081] __dev_notify_flags+0xe6/0x250 [ 1064.859909][T15081] ? __pfx___dev_notify_flags+0x10/0x10 [ 1064.860065][T15081] ? __pfx___dev_change_flags+0x10/0x10 [ 1064.860217][T15081] ? unwind_get_return_address+0x5e/0xa0 [ 1064.860379][T15081] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 1064.860568][T15081] ? __pfx_validate_chain+0x10/0x10 [ 1064.860722][T15081] dev_change_flags+0xec/0x160 [ 1064.860877][T15081] do_setlink.constprop.0+0x79d/0x2300 [ 1064.861033][T15081] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 1064.861225][T15081] ? lock_acquire.part.0+0xeb/0x330 [ 1064.861379][T15081] ? rtnl_newlink+0x653/0xa70 [ 1064.861539][T15081] ? rtnl_newlink+0xb9/0xa70 [ 1064.861690][T15081] ? rtnetlink_rcv_msg+0x712/0xc10 [ 1064.861844][T15081] ? __mutex_trylock_common+0xfa/0x260 [ 1064.861999][T15081] ? __pfx___mutex_trylock_common+0x10/0x10 [ 1064.862191][T15081] ? lock_acquire+0x32/0xc0 [ 1064.862344][T15081] ? trace_contention_end+0xef/0x150 [ 1064.862496][T15081] ? __mutex_lock+0x190/0xbc0 [ 1064.862657][T15081] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 1064.862810][T15081] ? rtnl_newlink+0x653/0xa70 [ 1064.862963][T15081] ? __pfx___mutex_lock+0x10/0x10 [ 1064.863117][T15081] ? __create_object+0x5e/0xb0 [ 1064.863272][T15081] ? __rtnl_newlink+0x3f2/0xa80 [ 1064.863441][T15081] rtnl_newlink+0x69c/0xa70 [ 1064.863611][T15081] ? __pfx_rtnl_newlink+0x10/0x10 [ 1064.863775][T15081] ? find_held_lock+0x2c/0x110 [ 1064.863952][T15081] ? __pfx___lock_release+0x10/0x10 [ 1064.864122][T15081] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1064.864294][T15081] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 1064.864460][T15081] ? __pfx_rtnl_newlink+0x10/0x10 [ 1064.864628][T15081] rtnetlink_rcv_msg+0x712/0xc10 [ 1064.864801][T15081] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 1064.864969][T15081] ? hlock_class+0x4e/0x130 [ 1064.865145][T15081] ? mark_lock+0x38/0x3e0 [ 1064.865272][T15081] ? __lock_acquire+0xb9a/0x1680 [ 1064.865442][T15081] netlink_rcv_skb+0x130/0x360 [ 1064.865614][T15081] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 1064.865784][T15081] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 1064.865955][T15081] ? netlink_deliver_tap+0x13e/0x340 [ 1064.866124][T15081] ? netlink_deliver_tap+0xc3/0x340 [ 1064.866301][T15081] netlink_unicast+0x44b/0x710 [ 1064.866485][T15081] ? __pfx_netlink_unicast+0x10/0x10 [ 1064.866652][T15081] ? find_held_lock+0x2c/0x110 [ 1064.866823][T15081] ? __lock_release+0x103/0x460 [ 1064.866991][T15081] netlink_sendmsg+0x723/0xbe0 [ 1064.867160][T15081] ? __pfx_netlink_sendmsg+0x10/0x10 [ 1064.867329][T15081] ? _copy_from_user+0x55/0xa0 [ 1064.867498][T15081] ____sys_sendmsg+0x7ac/0xa10 [ 1064.867658][T15081] ? __pfx_____sys_sendmsg+0x10/0x10 [ 1064.867812][T15081] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 1064.868006][T15081] ___sys_sendmsg+0xee/0x170 [ 1064.868161][T15081] ? __pfx____sys_sendmsg+0x10/0x10 [ 1064.868316][T15081] ? kasan_save_stack+0x34/0x50 [ 1064.868471][T15081] ? kasan_save_stack+0x24/0x50 [ 1064.868624][T15081] ? __kasan_record_aux_stack+0x8e/0xa0 [ 1064.868785][T15081] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 1064.868976][T15081] ? __x64_sys_close+0x7c/0xd0 [ 1064.869131][T15081] ? do_syscall_64+0xc1/0x1d0 [ 1064.869285][T15081] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1064.869475][T15081] ? __lock_acquire+0xb9a/0x1680 [ 1064.869633][T15081] ? find_held_lock+0x2c/0x110 [ 1064.869788][T15081] ? __lock_release+0x103/0x460 [ 1064.869947][T15081] ? __virt_addr_valid+0x22b/0x430 [ 1064.870102][T15081] ? __pfx___lock_release+0x10/0x10 [ 1064.870255][T15081] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1064.870407][T15081] __sys_sendmsg+0x109/0x1a0 [ 1064.870562][T15081] ? __pfx___sys_sendmsg+0x10/0x10 [ 1064.870715][T15081] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 1064.870910][T15081] do_syscall_64+0xc1/0x1d0 [ 1064.871074][T15081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1064.871269][T15081] RIP: 0033:0x7f3ad88eb9a7 [ 1064.871436][T15081] 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 [ 1064.871979][T15081] RSP: 002b:00007ffdecb79aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1064.872219][T15081] RAX: ffffffffffffffda RBX: 00007ffdecb7a1e0 RCX: 00007f3ad88eb9a7 [ 1064.872454][T15081] RDX: 0000000000000000 RSI: 00007ffdecb79b10 RDI: 0000000000000005 [ 1064.872692][T15081] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 1064.872920][T15081] R10: 00007f3ad87a94a8 R11: 0000000000000246 R12: 0000000000000003 [ 1064.873156][T15081] R13: 0000000067792a09 R14: 0000000000498600 R15: 0000000000000000 [ 1064.873388][T15081] [ 1065.023535][T15084] br0: port 1(veth0.10) entered blocking state [ 1065.023774][T15084] br0: port 1(veth0.10) entered disabled state [ 1065.023989][T15084] veth0.10: entered allmulticast mode [ 1065.024130][T15084] veth0: entered allmulticast mode [ 1065.025589][T15084] veth0.10: entered promiscuous mode [ 1065.025754][T15084] veth0: entered promiscuous mode [ 1065.027437][T15084] br0: port 1(veth0.10) entered blocking state [ 1065.027662][T15084] br0: port 1(veth0.10) entered forwarding state [ 1067.801590][T15135] veth0: left allmulticast mode [ 1067.801867][T15135] veth0: left promiscuous mode [ 1067.803451][T15135] br0: port 1(veth0.10) entered disabled state [ 1067.973192][T15138] veth0.10 (unregistering): left allmulticast mode [ 1067.973507][T15138] veth0.10 (unregistering): left promiscuous mode [ 1067.973750][T15138] br0: port 1(veth0.10) entered disabled state [ 1069.632747][T15161] Initializing XFRM netlink socket [ 1136.244986][T15458] br0: port 1(veth0) entered blocking state [ 1136.245242][T15458] br0: port 1(veth0) entered disabled state [ 1136.245482][T15458] veth0: entered allmulticast mode [ 1136.247039][T15458] veth0: entered promiscuous mode [ 1136.490213][T15461] br0: port 1(veth0) entered blocking state [ 1136.490460][T15461] br0: port 1(veth0) entered forwarding state [ 1142.871812][T15506] veth0: left allmulticast mode [ 1142.872039][T15506] veth0: left promiscuous mode [ 1142.872318][T15506] br0: port 1(veth0) entered disabled state [ 1143.287003][T15511] br0: port 1(veth0.10) entered blocking state [ 1143.287336][T15511] br0: port 1(veth0.10) entered disabled state [ 1143.287594][T15511] veth0.10: entered allmulticast mode [ 1143.287742][T15511] veth0: entered allmulticast mode [ 1143.289304][T15511] veth0.10: entered promiscuous mode [ 1143.289470][T15511] veth0: entered promiscuous mode [ 1143.291661][T15511] br0: port 1(veth0.10) entered blocking state [ 1143.291871][T15511] br0: port 1(veth0.10) entered forwarding state [ 1150.118674][T15562] veth0: left allmulticast mode [ 1150.118944][T15562] veth0: left promiscuous mode [ 1150.126027][T15562] br0: port 1(veth0.10) entered disabled state [ 1150.296599][T15564] veth0.10 (unregistering): left allmulticast mode [ 1150.296903][T15564] veth0.10 (unregistering): left promiscuous mode [ 1150.297122][T15564] br0: port 1(veth0.10) entered disabled state