[ 10.678275][ T247] modprobe (247) used greatest stack depth: 24416 bytes left [ 10.941507][ T249] ip (249) used greatest stack depth: 23984 bytes left [ 14.936132][ T312] gre: GRE over IPv4 demultiplexor driver [ 14.949162][ T312] ip_gre: GRE over IPv4 tunneling driver [ 15.285653][ T318] ip (318) used greatest stack depth: 23648 bytes left [ 15.661504][ T322] GACT probability NOT on [ 15.897503][ T324] ip6_gre: GRE over IPv6 tunneling driver [ 16.059920][ T9] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.180883][ T9] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.907148][ T69] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.123682][ T338] br1: port 1(veth1) entered blocking state [ 17.124181][ T338] br1: port 1(veth1) entered disabled state [ 17.124588][ T338] veth1: entered allmulticast mode [ 17.127285][ T338] veth1: entered promiscuous mode [ 17.163132][ T66] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.233332][ T68] br1: port 1(veth1) entered blocking state [ 17.233784][ T68] br1: port 1(veth1) entered forwarding state [ 17.312012][ T340] br1: port 2(veth2) entered blocking state [ 17.312381][ T340] br1: port 2(veth2) entered disabled state [ 17.312754][ T340] veth2: entered allmulticast mode [ 17.314715][ T340] veth2: entered promiscuous mode [ 17.401426][ T68] br1: port 2(veth2) entered blocking state [ 17.401819][ T68] br1: port 2(veth2) entered forwarding state [ 17.920601][ T50] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.037526][ T50] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.187362][ T66] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.188105][ T66] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.339587][ T355] br2: port 1(veth4) entered blocking state [ 18.340125][ T355] br2: port 1(veth4) entered disabled state [ 18.340392][ T355] veth4: entered allmulticast mode [ 18.342353][ T355] veth4: entered promiscuous mode [ 18.343204][ T355] br2: port 1(veth4) entered blocking state [ 18.343570][ T355] br2: port 1(veth4) entered forwarding state [ 18.643852][ T55] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.892008][ T66] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 22.218960][ C3] ip6_tnl_xmit_ctl: 2 callbacks suppressed [ 22.219566][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 25.170484][ T388] Mirror/redirect action on [ 30.667464][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 47.562922][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 61.576760][ T582] veth4: left allmulticast mode [ 61.576999][ T582] veth4: left promiscuous mode [ 61.577326][ T582] br2: port 1(veth4) entered disabled state [ 62.120079][ T588] br1: port 1(veth1) entered disabled state [ 62.195291][ T589] br1: port 2(veth2) entered disabled state [ 62.283522][ T590] veth2: left allmulticast mode [ 62.283830][ T590] veth2: left promiscuous mode [ 62.284138][ T590] br1: port 2(veth2) entered disabled state [ 62.285441][ T590] veth1: left allmulticast mode [ 62.285635][ T590] veth1: left promiscuous mode [ 62.285945][ T590] br1: port 1(veth1) entered disabled state [ 62.556493][ T592] [ 62.556715][ T592] ============================================ [ 62.556994][ T592] WARNING: possible recursive locking detected [ 62.557187][ T592] 6.13.0-rc5-virtme #1 Not tainted [ 62.557336][ T592] -------------------------------------------- [ 62.557523][ T592] ip/592 is trying to acquire lock: [ 62.557675][ T592] ffffffff921d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 62.557976][ T592] [ 62.557976][ T592] but task is already holding lock: [ 62.558188][ T592] ffffffff921d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 62.558482][ T592] [ 62.558482][ T592] other info that might help us debug this: [ 62.558706][ T592] Possible unsafe locking scenario: [ 62.558706][ T592] [ 62.558916][ T592] CPU0 [ 62.559026][ T592] ---- [ 62.559135][ T592] lock((netdev_chain).rwsem); [ 62.559282][ T592] lock((netdev_chain).rwsem); [ 62.559426][ T592] [ 62.559426][ T592] *** DEADLOCK *** [ 62.559426][ T592] [ 62.559640][ T592] May be due to missing lock nesting notation [ 62.559640][ T592] [ 62.559857][ T592] 2 locks held by ip/592: [ 62.559970][ T592] #0: ffffffff921e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 62.560323][ T592] #1: ffffffff921d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 62.560617][ T592] [ 62.560617][ T592] stack backtrace: [ 62.560800][ T592] CPU: 3 UID: 0 PID: 592 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 62.561017][ T592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.561210][ T592] Call Trace: [ 62.561325][ T592] [ 62.561404][ T592] dump_stack_lvl+0x82/0xd0 [ 62.561558][ T592] print_deadlock_bug+0x40a/0x650 [ 62.561706][ T592] validate_chain+0x5bf/0xae0 [ 62.561855][ T592] ? __pfx_validate_chain+0x10/0x10 [ 62.562012][ T592] ? hlock_class+0x4e/0x130 [ 62.562161][ T592] ? mark_lock+0x38/0x3e0 [ 62.562273][ T592] __lock_acquire+0xb9a/0x1680 [ 62.562423][ T592] lock_acquire.part.0+0xeb/0x330 [ 62.562571][ T592] ? blocking_notifier_call_chain+0x50/0x90 [ 62.562754][ T592] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 62.562939][ T592] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 62.563091][ T592] ? trace_lock_acquire+0x14c/0x1f0 [ 62.563240][ T592] ? lock_acquire+0x32/0xc0 [ 62.563385][ T592] ? blocking_notifier_call_chain+0x50/0x90 [ 62.563567][ T592] down_read+0x9f/0x340 [ 62.563679][ T592] ? blocking_notifier_call_chain+0x50/0x90 [ 62.563865][ T592] ? __pfx_down_read+0x10/0x10 [ 62.564012][ T592] ? __lock_release+0x103/0x460 [ 62.564162][ T592] ? netconsole_netdev_event+0x2c1/0x620 [ 62.564305][ T592] ? __pfx___lock_release+0x10/0x10 [ 62.564453][ T592] blocking_notifier_call_chain+0x50/0x90 [ 62.564599][ T592] __netdev_upper_dev_unlink+0xd9/0x220 [ 62.564745][ T592] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 62.564927][ T592] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 62.565080][ T592] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 62.565262][ T592] ? rtnl_is_locked+0x15/0x20 [ 62.565411][ T592] netdev_upper_dev_unlink+0x71/0xa0 [ 62.565557][ T592] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 62.565738][ T592] ? netconsole_netdev_event+0x2c1/0x620 [ 62.565884][ T592] ? mutex_is_locked+0x1c/0x60 [ 62.566029][ T592] ? rtnl_is_locked+0x15/0x20 [ 62.566182][ T592] ? netdev_master_upper_dev_get+0x13/0x120 [ 62.566363][ T592] vrf_device_event+0x78/0xe0 [vrf] [ 62.566513][ T592] notifier_call_chain+0xcd/0x150 [ 62.566662][ T592] blocking_notifier_call_chain+0x66/0x90 [ 62.566817][ T592] unregister_netdevice_many_notify+0xa7b/0x1580 [ 62.566999][ T592] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 62.567183][ T592] ? rtnl_dellink+0x228/0xa40 [ 62.567335][ T592] ? sock_def_readable+0x11e/0x300 [ 62.567481][ T592] ? __pfx___mutex_lock+0x10/0x10 [ 62.567628][ T592] ? rtnl_is_locked+0x15/0x20 [ 62.567775][ T592] ? unregister_netdevice_queue+0x70/0x410 [ 62.567961][ T592] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 62.568142][ T592] ? __nla_validate_parse+0x48/0x3d0 [ 62.568292][ T592] rtnl_dellink+0x348/0xa40 [ 62.568446][ T592] ? __pfx_rtnl_dellink+0x10/0x10 [ 62.568608][ T592] ? find_held_lock+0x2c/0x110 [ 62.568757][ T592] ? __lock_release+0x103/0x460 [ 62.568901][ T592] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 62.569048][ T592] ? __pfx___lock_release+0x10/0x10 [ 62.569196][ T592] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 62.569344][ T592] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 62.569496][ T592] ? __pfx_rtnl_dellink+0x10/0x10 [ 62.569644][ T592] rtnetlink_rcv_msg+0x712/0xc10 [ 62.569793][ T592] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 62.569939][ T592] ? hlock_class+0x4e/0x130 [ 62.570085][ T592] ? mark_lock+0x38/0x3e0 [ 62.570200][ T592] ? __lock_acquire+0xb9a/0x1680 [ 62.570348][ T592] netlink_rcv_skb+0x130/0x360 [ 62.570495][ T592] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 62.570647][ T592] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 62.570796][ T592] ? netlink_deliver_tap+0x13e/0x340 [ 62.570944][ T592] ? netlink_deliver_tap+0xc3/0x340 [ 62.571093][ T592] netlink_unicast+0x44b/0x710 [ 62.571266][ T592] ? __pfx_netlink_unicast+0x10/0x10 [ 62.571413][ T592] ? find_held_lock+0x2c/0x110 [ 62.571567][ T592] netlink_sendmsg+0x723/0xbe0 [ 62.571712][ T592] ? __pfx_netlink_sendmsg+0x10/0x10 [ 62.571860][ T592] ____sys_sendmsg+0x7ac/0xa10 [ 62.572006][ T592] ? __pfx_____sys_sendmsg+0x10/0x10 [ 62.572150][ T592] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 62.572339][ T592] ___sys_sendmsg+0xee/0x170 [ 62.572488][ T592] ? __pfx____sys_sendmsg+0x10/0x10 [ 62.572640][ T592] ? kasan_save_stack+0x34/0x50 [ 62.572786][ T592] ? kasan_save_stack+0x24/0x50 [ 62.572932][ T592] ? __kasan_record_aux_stack+0x8e/0xa0 [ 62.573078][ T592] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 62.573270][ T592] ? __x64_sys_close+0x7c/0xd0 [ 62.573415][ T592] ? do_syscall_64+0xc1/0x1d0 [ 62.573560][ T592] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.573743][ T592] ? __lock_acquire+0xb9a/0x1680 [ 62.573894][ T592] ? find_held_lock+0x2c/0x110 [ 62.574039][ T592] ? __lock_release+0x103/0x460 [ 62.574186][ T592] ? __virt_addr_valid+0x22b/0x430 [ 62.574333][ T592] ? __pfx___lock_release+0x10/0x10 [ 62.574480][ T592] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 62.574626][ T592] __sys_sendmsg+0x109/0x1a0 [ 62.574772][ T592] ? __pfx___sys_sendmsg+0x10/0x10 [ 62.574924][ T592] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 62.575115][ T592] do_syscall_64+0xc1/0x1d0 [ 62.575261][ T592] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.575441][ T592] RIP: 0033:0x7fe782f119a7 [ 62.575598][ T592] 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 [ 62.576119][ T592] RSP: 002b:00007ffc4c46c358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.576342][ T592] RAX: ffffffffffffffda RBX: 00007ffc4c46ca80 RCX: 00007fe782f119a7 [ 62.576564][ T592] RDX: 0000000000000000 RSI: 00007ffc4c46c3c0 RDI: 0000000000000005 [ 62.576784][ T592] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 62.577009][ T592] R10: 00007fe782dcfef8 R11: 0000000000000246 R12: 0000000000000002 [ 62.577231][ T592] R13: 00000000677956f0 R14: 0000000000498600 R15: 0000000000000000 [ 62.577455][ T592] [ 62.593604][ T592] ip (592) used greatest stack depth: 23496 bytes left