[ 157.648448][ T1673] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 157.665687][ T1673] Bridge firewalling registered [ 158.274546][ T1681] 8021q: 802.1Q VLAN Support v1.8 [ 159.102447][ T1689] br0: port 1(vtep-host) entered blocking state [ 159.102994][ T1689] br0: port 1(vtep-host) entered disabled state [ 159.103458][ T1689] vtep-host: entered allmulticast mode [ 159.105907][ T1689] vtep-host: entered promiscuous mode [ 159.795215][ T1696] br0: port 2(vxd) entered blocking state [ 159.795498][ T1696] br0: port 2(vxd) entered disabled state [ 159.795749][ T1696] vxd: entered allmulticast mode [ 159.797843][ T1696] vxd: entered promiscuous mode [ 160.842598][ T1707] br0: port 2(vxd) entered blocking state [ 160.843021][ T1707] br0: port 2(vxd) entered forwarding state [ 160.843868][ T1707] br0: port 1(vtep-host) entered blocking state [ 160.844147][ T1707] br0: port 1(vtep-host) entered forwarding state [ 161.053841][ T1709] [ 161.053979][ T1709] ============================================ [ 161.054189][ T1709] WARNING: possible recursive locking detected [ 161.054398][ T1709] 6.13.0-rc5-virtme #1 Not tainted [ 161.054564][ T1709] -------------------------------------------- [ 161.054772][ T1709] ip/1709 is trying to acquire lock: [ 161.054940][ T1709] ffffffffb31dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 161.055266][ T1709] [ 161.055266][ T1709] but task is already holding lock: [ 161.055491][ T1709] ffffffffb31dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 161.055832][ T1709] [ 161.055832][ T1709] other info that might help us debug this: [ 161.056075][ T1709] Possible unsafe locking scenario: [ 161.056075][ T1709] [ 161.056320][ T1709] CPU0 [ 161.056441][ T1709] ---- [ 161.056557][ T1709] lock((netdev_chain).rwsem); [ 161.056717][ T1709] lock((netdev_chain).rwsem); [ 161.056884][ T1709] [ 161.056884][ T1709] *** DEADLOCK *** [ 161.056884][ T1709] [ 161.057129][ T1709] May be due to missing lock nesting notation [ 161.057129][ T1709] [ 161.057362][ T1709] 2 locks held by ip/1709: [ 161.057515][ T1709] #0: ffffffffb31f1088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x653/0xa70 [ 161.057795][ T1709] #1: ffffffffb31dfc30 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 161.058110][ T1709] [ 161.058110][ T1709] stack backtrace: [ 161.058304][ T1709] CPU: 2 UID: 0 PID: 1709 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 161.058536][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.058730][ T1709] Call Trace: [ 161.058849][ T1709] [ 161.058934][ T1709] dump_stack_lvl+0x82/0xd0 [ 161.059100][ T1709] print_deadlock_bug+0x40a/0x650 [ 161.059265][ T1709] validate_chain+0x5bf/0xae0 [ 161.059425][ T1709] ? __pfx_validate_chain+0x10/0x10 [ 161.059584][ T1709] ? hlock_class+0x4e/0x130 [ 161.059743][ T1709] ? mark_lock+0x38/0x3e0 [ 161.059862][ T1709] __lock_acquire+0xb9a/0x1680 [ 161.060028][ T1709] ? find_held_lock+0x1/0x110 [ 161.060181][ T1709] ? stack_depot_save_flags+0x27e/0x440 [ 161.060384][ T1709] lock_acquire.part.0+0xeb/0x330 [ 161.060539][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 161.060738][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 161.060890][ T1709] ? trace_lock_acquire+0x14c/0x1f0 [ 161.061045][ T1709] ? lock_acquire+0x32/0xc0 [ 161.061197][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 161.061392][ T1709] down_read+0x9f/0x340 [ 161.061510][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 161.061707][ T1709] ? __pfx_down_read+0x10/0x10 [ 161.061867][ T1709] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 161.062057][ T1709] ? addrconf_ifdown.isra.0+0x1212/0x15d0 [ 161.062209][ T1709] ? addrconf_notify+0xd1/0xd50 [ 161.062364][ T1709] ? notifier_call_chain+0xcd/0x150 [ 161.062516][ T1709] ? blocking_notifier_call_chain+0x66/0x90 [ 161.062703][ T1709] ? dev_set_mtu_ext+0x2b6/0x510 [ 161.062856][ T1709] ? rtnl_newlink+0x69c/0xa70 [ 161.063015][ T1709] blocking_notifier_call_chain+0x50/0x90 [ 161.063168][ T1709] dev_set_mtu_ext+0x18c/0x510 [ 161.063321][ T1709] ? __pfx_dev_set_mtu_ext+0x10/0x10 [ 161.063474][ T1709] ? __pfx___lock_release+0x10/0x10 [ 161.063626][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 161.063780][ T1709] ? __pfx_validate_chain+0x10/0x10 [ 161.063934][ T1709] dev_set_mtu+0xa1/0x130 [ 161.064059][ T1709] ? __pfx_dev_set_mtu+0x10/0x10 [ 161.064212][ T1709] ? __lock_acquire+0xb9a/0x1680 [ 161.064368][ T1709] ? __lock_release+0x103/0x460 [ 161.064519][ T1709] ? nf_tables_netdev_event+0xa8/0x730 [nf_tables] [ 161.064742][ T1709] br_mtu_auto_adjust+0x189/0x270 [bridge] [ 161.064975][ T1709] br_device_event+0x179/0x800 [bridge] [ 161.065163][ T1709] ? __pfx_br_device_event+0x10/0x10 [bridge] [ 161.065391][ T1709] ? nft_offload_netdev_event+0x3d/0x3b0 [nf_tables] [ 161.065611][ T1709] notifier_call_chain+0xcd/0x150 [ 161.065767][ T1709] blocking_notifier_call_chain+0x66/0x90 [ 161.065921][ T1709] dev_set_mtu_ext+0x2b6/0x510 [ 161.066074][ T1709] ? __pfx_dev_set_mtu_ext+0x10/0x10 [ 161.066240][ T1709] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 161.066435][ T1709] ? __pfx_validate_chain+0x10/0x10 [ 161.066589][ T1709] ? mark_lock+0x38/0x3e0 [ 161.066708][ T1709] do_setlink.constprop.0+0x4b3/0x2300 [ 161.066864][ T1709] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 161.067055][ T1709] ? lock_acquire.part.0+0xeb/0x330 [ 161.067206][ T1709] ? rtnl_newlink+0x653/0xa70 [ 161.067361][ T1709] ? rtnl_newlink+0xb9/0xa70 [ 161.067519][ T1709] ? rtnetlink_rcv_msg+0x712/0xc10 [ 161.067670][ T1709] ? __mutex_trylock_common+0xfa/0x260 [ 161.067823][ T1709] ? __pfx___mutex_trylock_common+0x10/0x10 [ 161.068015][ T1709] ? lock_acquire+0x32/0xc0 [ 161.068166][ T1709] ? trace_contention_end+0xef/0x150 [ 161.068324][ T1709] ? __mutex_lock+0x190/0xbc0 [ 161.068478][ T1709] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 161.068644][ T1709] ? rtnl_newlink+0x653/0xa70 [ 161.068801][ T1709] ? __pfx___mutex_lock+0x10/0x10 [ 161.068956][ T1709] ? __rtnl_newlink+0x3f2/0xa80 [ 161.069111][ T1709] rtnl_newlink+0x69c/0xa70 [ 161.069267][ T1709] ? __pfx_rtnl_newlink+0x10/0x10 [ 161.069421][ T1709] ? find_held_lock+0x2c/0x110 [ 161.069576][ T1709] ? __pfx___lock_release+0x10/0x10 [ 161.069728][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 161.069890][ T1709] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 161.070043][ T1709] ? __pfx_rtnl_newlink+0x10/0x10 [ 161.070203][ T1709] rtnetlink_rcv_msg+0x712/0xc10 [ 161.070356][ T1709] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 161.070512][ T1709] ? hlock_class+0x4e/0x130 [ 161.070664][ T1709] ? mark_lock+0x38/0x3e0 [ 161.070782][ T1709] ? __lock_acquire+0xb9a/0x1680 [ 161.070938][ T1709] netlink_rcv_skb+0x130/0x360 [ 161.071094][ T1709] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 161.071249][ T1709] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 161.071407][ T1709] ? netlink_deliver_tap+0x13e/0x340 [ 161.071564][ T1709] ? netlink_deliver_tap+0xc3/0x340 [ 161.071720][ T1709] netlink_unicast+0x44b/0x710 [ 161.071878][ T1709] ? __pfx_netlink_unicast+0x10/0x10 [ 161.072036][ T1709] ? find_held_lock+0x2c/0x110 [ 161.072192][ T1709] ? __lock_release+0x103/0x460 [ 161.072348][ T1709] netlink_sendmsg+0x723/0xbe0 [ 161.072502][ T1709] ? __pfx_netlink_sendmsg+0x10/0x10 [ 161.072654][ T1709] ? _copy_from_user+0x55/0xa0 [ 161.072808][ T1709] ____sys_sendmsg+0x7ac/0xa10 [ 161.072963][ T1709] ? __pfx_____sys_sendmsg+0x10/0x10 [ 161.073121][ T1709] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 161.073316][ T1709] ___sys_sendmsg+0xee/0x170 [ 161.073564][ T1709] ? __pfx____sys_sendmsg+0x10/0x10 [ 161.073719][ T1709] ? kasan_save_stack+0x34/0x50 [ 161.073871][ T1709] ? kasan_save_stack+0x24/0x50 [ 161.074023][ T1709] ? __kasan_record_aux_stack+0x8e/0xa0 [ 161.074269][ T1709] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 161.074465][ T1709] ? __x64_sys_close+0x7c/0xd0 [ 161.074620][ T1709] ? do_syscall_64+0xc1/0x1d0 [ 161.074865][ T1709] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 161.075052][ T1709] ? __lock_acquire+0xb9a/0x1680 [ 161.075209][ T1709] ? find_held_lock+0x2c/0x110 [ 161.075361][ T1709] ? __lock_release+0x103/0x460 [ 161.075610][ T1709] ? __virt_addr_valid+0x22b/0x430 [ 161.075763][ T1709] ? __pfx___lock_release+0x10/0x10 [ 161.075922][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 161.076076][ T1709] __sys_sendmsg+0x109/0x1a0 [ 161.076337][ T1709] ? __pfx___sys_sendmsg+0x10/0x10 [ 161.076492][ T1709] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 161.076687][ T1709] do_syscall_64+0xc1/0x1d0 [ 161.076841][ T1709] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 161.077121][ T1709] RIP: 0033:0x7fa2ae7b59a7 [ 161.077287][ T1709] 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 [ 161.077924][ T1709] RSP: 002b:00007ffe43625108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.078159][ T1709] RAX: ffffffffffffffda RBX: 00007ffe43625840 RCX: 00007fa2ae7b59a7 [ 161.078485][ T1709] RDX: 0000000000000000 RSI: 00007ffe43625170 RDI: 0000000000000005 [ 161.078716][ T1709] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 161.078946][ T1709] R10: 00007fa2ae6734a8 R11: 0000000000000246 R12: 0000000000000003 [ 161.079271][ T1709] R13: 0000000067795792 R14: 0000000000498600 R15: 0000000000000000 [ 161.079514][ T1709] [ 161.088339][ T1709] ip (1709) used greatest stack depth: 23232 bytes left [ 163.776294][ T11] vxd: left allmulticast mode [ 163.776607][ T11] vxd: left promiscuous mode [ 163.777080][ T11] br0: port 2(vxd) entered disabled state [ 163.779032][ T11] vtep-host: left allmulticast mode [ 163.779328][ T11] vtep-host: left promiscuous mode [ 163.779736][ T11] br0: port 1(vtep-host) entered disabled state