[ 10.667536][ T249] ip (249) used greatest stack depth: 23704 bytes left [ 11.116539][ T264] ip (264) used greatest stack depth: 23424 bytes left [ 14.999909][ T315] gre: GRE over IPv4 demultiplexor driver [ 15.025280][ T315] ip_gre: GRE over IPv4 tunneling driver [ 15.775896][ T325] GACT probability NOT on [ 15.987185][ T327] ip6_gre: GRE over IPv6 tunneling driver [ 16.150443][ T282] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.256361][ T50] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.441335][ T50] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.457602][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.146839][ T341] br1: port 1(veth1) entered blocking state [ 17.147392][ T341] br1: port 1(veth1) entered disabled state [ 17.147748][ T341] veth1: entered allmulticast mode [ 17.149970][ T341] veth1: entered promiscuous mode [ 17.226906][ T45] br1: port 1(veth1) entered blocking state [ 17.227357][ T45] br1: port 1(veth1) entered forwarding state [ 17.311239][ T343] br1: port 2(veth2) entered blocking state [ 17.311658][ T343] br1: port 2(veth2) entered disabled state [ 17.312086][ T343] veth2: entered allmulticast mode [ 17.315861][ T343] veth2: entered promiscuous mode [ 17.429206][ T40] br1: port 2(veth2) entered blocking state [ 17.429584][ T40] br1: port 2(veth2) entered forwarding state [ 17.472788][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.473834][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.674277][ T282] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.949589][ T282] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.256347][ T282] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.560469][ T67] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 21.952374][ C1] ip6_tnl_xmit_ctl: 8 callbacks suppressed [ 21.952822][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 24.933841][ T385] Mirror/redirect action on [ 30.657153][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 39.824638][ T480] br1: port 1(veth1) entered disabled state [ 39.905314][ T481] br1: port 2(veth2) entered disabled state [ 39.989135][ T482] veth2: left allmulticast mode [ 39.989426][ T482] veth2: left promiscuous mode [ 39.989769][ T482] br1: port 2(veth2) entered disabled state [ 39.991717][ T482] veth1: left allmulticast mode [ 39.991952][ T482] veth1: left promiscuous mode [ 39.992320][ T482] br1: port 1(veth1) entered disabled state [ 40.279325][ T484] [ 40.279514][ T484] ============================================ [ 40.279771][ T484] WARNING: possible recursive locking detected [ 40.280050][ T484] 6.13.0-rc5-virtme #1 Not tainted [ 40.280260][ T484] -------------------------------------------- [ 40.280509][ T484] ip/484 is trying to acquire lock: [ 40.280707][ T484] ffffffff893d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 40.281164][ T484] [ 40.281164][ T484] but task is already holding lock: [ 40.281474][ T484] ffffffff893d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 40.281928][ T484] [ 40.281928][ T484] other info that might help us debug this: [ 40.282279][ T484] Possible unsafe locking scenario: [ 40.282279][ T484] [ 40.282618][ T484] CPU0 [ 40.282792][ T484] ---- [ 40.282971][ T484] lock((netdev_chain).rwsem); [ 40.283210][ T484] lock((netdev_chain).rwsem); [ 40.283444][ T484] [ 40.283444][ T484] *** DEADLOCK *** [ 40.283444][ T484] [ 40.283791][ T484] May be due to missing lock nesting notation [ 40.283791][ T484] [ 40.284134][ T484] 2 locks held by ip/484: [ 40.284309][ T484] #0: ffffffff893e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 40.284731][ T484] #1: ffffffff893d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 40.285211][ T484] [ 40.285211][ T484] stack backtrace: [ 40.285504][ T484] CPU: 0 UID: 0 PID: 484 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 40.285861][ T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.286158][ T484] Call Trace: [ 40.286341][ T484] [ 40.286465][ T484] dump_stack_lvl+0x82/0xd0 [ 40.286708][ T484] print_deadlock_bug+0x40a/0x650 [ 40.286953][ T484] validate_chain+0x5bf/0xae0 [ 40.287200][ T484] ? __pfx_validate_chain+0x10/0x10 [ 40.287442][ T484] ? hlock_class+0x4e/0x130 [ 40.287677][ T484] ? mark_lock+0x38/0x3e0 [ 40.287861][ T484] __lock_acquire+0xb9a/0x1680 [ 40.288106][ T484] lock_acquire.part.0+0xeb/0x330 [ 40.288343][ T484] ? blocking_notifier_call_chain+0x50/0x90 [ 40.288643][ T484] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 40.288953][ T484] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.289193][ T484] ? trace_lock_acquire+0x14c/0x1f0 [ 40.289431][ T484] ? lock_acquire+0x32/0xc0 [ 40.289669][ T484] ? blocking_notifier_call_chain+0x50/0x90 [ 40.289977][ T484] down_read+0x9f/0x340 [ 40.290164][ T484] ? blocking_notifier_call_chain+0x50/0x90 [ 40.290459][ T484] ? __pfx_down_read+0x10/0x10 [ 40.290705][ T484] ? __lock_release+0x103/0x460 [ 40.290965][ T484] ? netconsole_netdev_event+0x2c1/0x620 [ 40.291202][ T484] ? __pfx___lock_release+0x10/0x10 [ 40.291407][ T484] blocking_notifier_call_chain+0x50/0x90 [ 40.291606][ T484] __netdev_upper_dev_unlink+0xd9/0x220 [ 40.291754][ T484] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 40.291938][ T484] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 40.292129][ T484] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 40.292313][ T484] ? rtnl_is_locked+0x15/0x20 [ 40.292476][ T484] netdev_upper_dev_unlink+0x71/0xa0 [ 40.292622][ T484] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 40.292804][ T484] ? netconsole_netdev_event+0x2c1/0x620 [ 40.292957][ T484] ? mutex_is_locked+0x1c/0x60 [ 40.293110][ T484] ? rtnl_is_locked+0x15/0x20 [ 40.293257][ T484] ? netdev_master_upper_dev_get+0x13/0x120 [ 40.293440][ T484] vrf_device_event+0x78/0xe0 [vrf] [ 40.293589][ T484] notifier_call_chain+0xcd/0x150 [ 40.293735][ T484] blocking_notifier_call_chain+0x66/0x90 [ 40.293883][ T484] unregister_netdevice_many_notify+0xa7b/0x1580 [ 40.294068][ T484] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 40.294256][ T484] ? rtnl_dellink+0x228/0xa40 [ 40.294406][ T484] ? __pfx___mutex_lock+0x10/0x10 [ 40.294552][ T484] ? rtnl_is_locked+0x15/0x20 [ 40.294699][ T484] ? unregister_netdevice_queue+0x70/0x410 [ 40.294884][ T484] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 40.295066][ T484] ? __nla_validate_parse+0x48/0x3d0 [ 40.295218][ T484] rtnl_dellink+0x348/0xa40 [ 40.295372][ T484] ? __pfx_rtnl_dellink+0x10/0x10 [ 40.295530][ T484] ? find_held_lock+0x2c/0x110 [ 40.295684][ T484] ? __lock_release+0x103/0x460 [ 40.295832][ T484] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 40.295992][ T484] ? __pfx___lock_release+0x10/0x10 [ 40.296151][ T484] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.296314][ T484] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 40.296467][ T484] ? __pfx_rtnl_dellink+0x10/0x10 [ 40.296614][ T484] rtnetlink_rcv_msg+0x712/0xc10 [ 40.296759][ T484] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 40.296904][ T484] ? hlock_class+0x4e/0x130 [ 40.297051][ T484] ? mark_lock+0x38/0x3e0 [ 40.297163][ T484] ? __lock_acquire+0xb9a/0x1680 [ 40.297308][ T484] netlink_rcv_skb+0x130/0x360 [ 40.297455][ T484] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 40.297609][ T484] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 40.297758][ T484] ? netlink_deliver_tap+0x13e/0x340 [ 40.297906][ T484] ? netlink_deliver_tap+0xc3/0x340 [ 40.298053][ T484] netlink_unicast+0x44b/0x710 [ 40.298203][ T484] ? __pfx_netlink_unicast+0x10/0x10 [ 40.298349][ T484] ? find_held_lock+0x2c/0x110 [ 40.298495][ T484] netlink_sendmsg+0x723/0xbe0 [ 40.298646][ T484] ? __pfx_netlink_sendmsg+0x10/0x10 [ 40.298799][ T484] ____sys_sendmsg+0x7ac/0xa10 [ 40.298948][ T484] ? __pfx_____sys_sendmsg+0x10/0x10 [ 40.299091][ T484] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 40.299274][ T484] ___sys_sendmsg+0xee/0x170 [ 40.299425][ T484] ? __pfx____sys_sendmsg+0x10/0x10 [ 40.299571][ T484] ? kasan_save_stack+0x34/0x50 [ 40.299720][ T484] ? kasan_save_stack+0x24/0x50 [ 40.299865][ T484] ? __kasan_record_aux_stack+0x8e/0xa0 [ 40.300014][ T484] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 40.300195][ T484] ? __x64_sys_close+0x7c/0xd0 [ 40.300341][ T484] ? do_syscall_64+0xc1/0x1d0 [ 40.300486][ T484] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 40.300669][ T484] ? __lock_acquire+0xb9a/0x1680 [ 40.300841][ T484] ? find_held_lock+0x2c/0x110 [ 40.301001][ T484] ? __lock_release+0x103/0x460 [ 40.301148][ T484] ? __virt_addr_valid+0x22b/0x430 [ 40.301296][ T484] ? __pfx___lock_release+0x10/0x10 [ 40.301440][ T484] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.301588][ T484] __sys_sendmsg+0x109/0x1a0 [ 40.301734][ T484] ? __pfx___sys_sendmsg+0x10/0x10 [ 40.301886][ T484] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 40.302075][ T484] do_syscall_64+0xc1/0x1d0 [ 40.302221][ T484] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 40.302402][ T484] RIP: 0033:0x7f798ba789a7 [ 40.302555][ T484] 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 [ 40.303074][ T484] RSP: 002b:00007ffe3027ab08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 40.303294][ T484] RAX: ffffffffffffffda RBX: 00007ffe3027b230 RCX: 00007f798ba789a7 [ 40.303513][ T484] RDX: 0000000000000000 RSI: 00007ffe3027ab70 RDI: 0000000000000005 [ 40.303731][ T484] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 40.303957][ T484] R10: 00007f798b936ef8 R11: 0000000000000246 R12: 0000000000000002 [ 40.304179][ T484] R13: 0000000067792f41 R14: 0000000000498600 R15: 0000000000000000 [ 40.304400][ T484]