[ 11.174437][ T248] ip (248) used greatest stack depth: 23984 bytes left [ 15.227154][ T313] gre: GRE over IPv4 demultiplexor driver [ 15.240171][ T313] ip_gre: GRE over IPv4 tunneling driver [ 15.438045][ T317] ip (317) used greatest stack depth: 23576 bytes left [ 15.969196][ T323] GACT probability NOT on [ 16.197965][ T325] ip6_gre: GRE over IPv6 tunneling driver [ 16.360370][ T8] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.499068][ T8] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.539017][ T8] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.154839][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.448927][ T340] br1: port 1(veth1) entered blocking state [ 17.449465][ T340] br1: port 1(veth1) entered disabled state [ 17.449906][ T340] veth1: entered allmulticast mode [ 17.452579][ T340] veth1: entered promiscuous mode [ 17.550176][ T39] br1: port 1(veth1) entered blocking state [ 17.550658][ T39] br1: port 1(veth1) entered forwarding state [ 17.622190][ T342] br1: port 2(veth2) entered blocking state [ 17.622547][ T342] br1: port 2(veth2) entered disabled state [ 17.622872][ T342] veth2: entered allmulticast mode [ 17.624956][ T342] veth2: entered promiscuous mode [ 17.718659][ T39] br1: port 2(veth2) entered blocking state [ 17.719023][ T39] br1: port 2(veth2) entered forwarding state [ 18.181434][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.182821][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.335590][ T68] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.596670][ T11] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.819604][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 19.139550][ T68] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 21.954633][ C1] ip6_tnl_xmit_ctl: 3 callbacks suppressed [ 21.955267][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 24.892708][ T378] Mirror/redirect action on [ 30.146656][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 45.506536][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 63.057232][ T582] br1: port 1(veth1) entered disabled state [ 63.164669][ T583] br1: port 2(veth2) entered disabled state [ 63.249765][ T584] veth2: left allmulticast mode [ 63.250019][ T584] veth2: left promiscuous mode [ 63.250388][ T584] br1: port 2(veth2) entered disabled state [ 63.252302][ T584] veth1: left allmulticast mode [ 63.252954][ T584] veth1: left promiscuous mode [ 63.253290][ T584] br1: port 1(veth1) entered disabled state [ 63.579480][ T586] [ 63.579663][ T586] ============================================ [ 63.580041][ T586] WARNING: possible recursive locking detected [ 63.580291][ T586] 6.13.0-rc5-virtme #1 Not tainted [ 63.580534][ T586] -------------------------------------------- [ 63.580791][ T586] ip/586 is trying to acquire lock: [ 63.580989][ T586] ffffffffaf9d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 63.581431][ T586] [ 63.581431][ T586] but task is already holding lock: [ 63.581761][ T586] ffffffffaf9d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 63.582189][ T586] [ 63.582189][ T586] other info that might help us debug this: [ 63.582515][ T586] Possible unsafe locking scenario: [ 63.582515][ T586] [ 63.582799][ T586] CPU0 [ 63.582979][ T586] ---- [ 63.583117][ T586] lock((netdev_chain).rwsem); [ 63.583332][ T586] lock((netdev_chain).rwsem); [ 63.583545][ T586] [ 63.583545][ T586] *** DEADLOCK *** [ 63.583545][ T586] [ 63.583880][ T586] May be due to missing lock nesting notation [ 63.583880][ T586] [ 63.584173][ T586] 2 locks held by ip/586: [ 63.584317][ T586] #0: ffffffffaf9e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 63.584720][ T586] #1: ffffffffaf9d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 63.585151][ T586] [ 63.585151][ T586] stack backtrace: [ 63.585420][ T586] CPU: 2 UID: 0 PID: 586 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 63.585752][ T586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.586005][ T586] Call Trace: [ 63.586160][ T586] [ 63.586279][ T586] dump_stack_lvl+0x82/0xd0 [ 63.586476][ T586] print_deadlock_bug+0x40a/0x650 [ 63.586692][ T586] validate_chain+0x5bf/0xae0 [ 63.586923][ T586] ? __pfx_validate_chain+0x10/0x10 [ 63.587136][ T586] ? hlock_class+0x4e/0x130 [ 63.587350][ T586] ? mark_lock+0x38/0x3e0 [ 63.587506][ T586] __lock_acquire+0xb9a/0x1680 [ 63.587731][ T586] lock_acquire.part.0+0xeb/0x330 [ 63.587973][ T586] ? blocking_notifier_call_chain+0x50/0x90 [ 63.588259][ T586] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 63.588525][ T586] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 63.588768][ T586] ? trace_lock_acquire+0x14c/0x1f0 [ 63.589000][ T586] ? lock_acquire+0x32/0xc0 [ 63.589206][ T586] ? blocking_notifier_call_chain+0x50/0x90 [ 63.589459][ T586] down_read+0x9f/0x340 [ 63.589613][ T586] ? blocking_notifier_call_chain+0x50/0x90 [ 63.589862][ T586] ? __pfx_down_read+0x10/0x10 [ 63.590076][ T586] ? __lock_release+0x103/0x460 [ 63.590281][ T586] ? netconsole_netdev_event+0x2c1/0x620 [ 63.590638][ T586] ? __pfx___lock_release+0x10/0x10 [ 63.591039][ T586] blocking_notifier_call_chain+0x50/0x90 [ 63.591235][ T586] __netdev_upper_dev_unlink+0xd9/0x220 [ 63.591450][ T586] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 63.591757][ T586] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 63.591991][ T586] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 63.592276][ T586] ? rtnl_is_locked+0x15/0x20 [ 63.592461][ T586] netdev_upper_dev_unlink+0x71/0xa0 [ 63.592682][ T586] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 63.592936][ T586] ? netconsole_netdev_event+0x2c1/0x620 [ 63.593117][ T586] ? mutex_is_locked+0x1c/0x60 [ 63.593283][ T586] ? rtnl_is_locked+0x15/0x20 [ 63.593453][ T586] ? netdev_master_upper_dev_get+0x13/0x120 [ 63.593662][ T586] vrf_device_event+0x78/0xe0 [vrf] [ 63.593834][ T586] notifier_call_chain+0xcd/0x150 [ 63.594048][ T586] blocking_notifier_call_chain+0x66/0x90 [ 63.594269][ T586] unregister_netdevice_many_notify+0xa7b/0x1580 [ 63.594546][ T586] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 63.594821][ T586] ? rtnl_dellink+0x228/0xa40 [ 63.595045][ T586] ? sock_def_readable+0x11e/0x300 [ 63.595216][ T586] ? __pfx___mutex_lock+0x10/0x10 [ 63.595385][ T586] ? rtnl_is_locked+0x15/0x20 [ 63.595551][ T586] ? unregister_netdevice_queue+0x70/0x410 [ 63.595778][ T586] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 63.595987][ T586] ? __nla_validate_parse+0x48/0x3d0 [ 63.596155][ T586] rtnl_dellink+0x348/0xa40 [ 63.596320][ T586] ? __pfx_rtnl_dellink+0x10/0x10 [ 63.596506][ T586] ? find_held_lock+0x2c/0x110 [ 63.596678][ T586] ? __lock_release+0x103/0x460 [ 63.596843][ T586] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 63.597010][ T586] ? __pfx___lock_release+0x10/0x10 [ 63.597177][ T586] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 63.597347][ T586] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 63.597513][ T586] ? __pfx_rtnl_dellink+0x10/0x10 [ 63.597694][ T586] rtnetlink_rcv_msg+0x712/0xc10 [ 63.597897][ T586] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 63.598108][ T586] ? hlock_class+0x4e/0x130 [ 63.598352][ T586] ? mark_lock+0x38/0x3e0 [ 63.598537][ T586] ? __lock_acquire+0xb9a/0x1680 [ 63.598756][ T586] netlink_rcv_skb+0x130/0x360 [ 63.598986][ T586] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 63.599218][ T586] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 63.599458][ T586] ? netlink_deliver_tap+0x13e/0x340 [ 63.599711][ T586] ? netlink_deliver_tap+0xc3/0x340 [ 63.599938][ T586] netlink_unicast+0x44b/0x710 [ 63.600165][ T586] ? __pfx_netlink_unicast+0x10/0x10 [ 63.600400][ T586] ? find_held_lock+0x2c/0x110 [ 63.600629][ T586] netlink_sendmsg+0x723/0xbe0 [ 63.600861][ T586] ? __pfx_netlink_sendmsg+0x10/0x10 [ 63.601085][ T586] ____sys_sendmsg+0x7ac/0xa10 [ 63.601329][ T586] ? __pfx_____sys_sendmsg+0x10/0x10 [ 63.601551][ T586] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 63.601827][ T586] ___sys_sendmsg+0xee/0x170 [ 63.602070][ T586] ? __pfx____sys_sendmsg+0x10/0x10 [ 63.602292][ T586] ? kasan_save_stack+0x34/0x50 [ 63.602565][ T586] ? kasan_save_stack+0x24/0x50 [ 63.602804][ T586] ? __kasan_record_aux_stack+0x8e/0xa0 [ 63.603060][ T586] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 63.603363][ T586] ? __x64_sys_close+0x7c/0xd0 [ 63.603562][ T586] ? do_syscall_64+0xc1/0x1d0 [ 63.603729][ T586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.603938][ T586] ? __lock_acquire+0xb9a/0x1680 [ 63.604108][ T586] ? find_held_lock+0x2c/0x110 [ 63.604281][ T586] ? __lock_release+0x103/0x460 [ 63.604453][ T586] ? __virt_addr_valid+0x22b/0x430 [ 63.604622][ T586] ? __pfx___lock_release+0x10/0x10 [ 63.604790][ T586] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 63.604960][ T586] __sys_sendmsg+0x109/0x1a0 [ 63.605128][ T586] ? __pfx___sys_sendmsg+0x10/0x10 [ 63.605294][ T586] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 63.605522][ T586] do_syscall_64+0xc1/0x1d0 [ 63.605705][ T586] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.605914][ T586] RIP: 0033:0x7f28a41d79a7 [ 63.606088][ T586] 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 [ 63.606669][ T586] RSP: 002b:00007fffbdf201a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.606921][ T586] RAX: ffffffffffffffda RBX: 00007fffbdf208d0 RCX: 00007f28a41d79a7 [ 63.607169][ T586] RDX: 0000000000000000 RSI: 00007fffbdf20210 RDI: 0000000000000005 [ 63.607413][ T586] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 63.607662][ T586] R10: 00007f28a4095ef8 R11: 0000000000000246 R12: 0000000000000002 [ 63.607909][ T586] R13: 0000000067792ae4 R14: 0000000000498600 R15: 0000000000000000 [ 63.608160][ T586]