[ 10.425237][ T248] ip (248) used greatest stack depth: 23248 bytes left [ 14.260590][ T311] gre: GRE over IPv4 demultiplexor driver [ 14.275883][ T311] ip_gre: GRE over IPv4 tunneling driver [ 14.951293][ T321] GACT probability NOT on [ 15.168999][ T323] ip6_gre: GRE over IPv6 tunneling driver [ 15.310716][ T9] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.425587][ T9] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.912322][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.320282][ T60] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.359232][ T337] br1: port 1(veth1) entered blocking state [ 16.359857][ T337] br1: port 1(veth1) entered disabled state [ 16.360699][ T337] veth1: entered allmulticast mode [ 16.363931][ T337] veth1: entered promiscuous mode [ 16.441312][ T45] br1: port 1(veth1) entered blocking state [ 16.441752][ T45] br1: port 1(veth1) entered forwarding state [ 16.529385][ T339] br1: port 2(veth2) entered blocking state [ 16.529708][ T339] br1: port 2(veth2) entered disabled state [ 16.530000][ T339] veth2: entered allmulticast mode [ 16.531923][ T339] veth2: entered promiscuous mode [ 16.605467][ T135] br1: port 2(veth2) entered blocking state [ 16.605838][ T135] br1: port 2(veth2) entered forwarding state [ 16.961557][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.962380][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.086549][ T9] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 17.184309][ T67] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 17.664550][ T60] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.729280][ T9] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 20.992401][ C1] ip6_tnl_xmit_ctl: 3 callbacks suppressed [ 20.993060][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 23.776689][ T377] Mirror/redirect action on [ 29.120480][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 44.480558][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 73.664483][ C0] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 95.810147][ T736] br1: port 1(veth1) entered disabled state [ 95.906136][ T737] br1: port 2(veth2) entered disabled state [ 95.973861][ T738] veth2: left allmulticast mode [ 95.974189][ T738] veth2: left promiscuous mode [ 95.974515][ T738] br1: port 2(veth2) entered disabled state [ 95.976549][ T738] veth1: left allmulticast mode [ 95.976749][ T738] veth1: left promiscuous mode [ 95.977057][ T738] br1: port 1(veth1) entered disabled state [ 96.247996][ T740] [ 96.248161][ T740] ============================================ [ 96.248388][ T740] WARNING: possible recursive locking detected [ 96.248595][ T740] 6.13.0-rc5-virtme #1 Not tainted [ 96.248752][ T740] -------------------------------------------- [ 96.248933][ T740] ip/740 is trying to acquire lock: [ 96.249089][ T740] ffffffffa2fd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 96.249401][ T740] [ 96.249401][ T740] but task is already holding lock: [ 96.249621][ T740] ffffffffa2fd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 96.249927][ T740] [ 96.249927][ T740] other info that might help us debug this: [ 96.250153][ T740] Possible unsafe locking scenario: [ 96.250153][ T740] [ 96.250369][ T740] CPU0 [ 96.250478][ T740] ---- [ 96.250587][ T740] lock((netdev_chain).rwsem); [ 96.250736][ T740] lock((netdev_chain).rwsem); [ 96.250884][ T740] [ 96.250884][ T740] *** DEADLOCK *** [ 96.250884][ T740] [ 96.251114][ T740] May be due to missing lock nesting notation [ 96.251114][ T740] [ 96.251327][ T740] 2 locks held by ip/740: [ 96.251439][ T740] #0: ffffffffa2fe7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 96.251706][ T740] #1: ffffffffa2fd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 96.252017][ T740] [ 96.252017][ T740] stack backtrace: [ 96.252196][ T740] CPU: 2 UID: 0 PID: 740 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 96.252415][ T740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.252598][ T740] Call Trace: [ 96.252714][ T740] [ 96.252792][ T740] dump_stack_lvl+0x82/0xd0 [ 96.252946][ T740] print_deadlock_bug+0x40a/0x650 [ 96.253110][ T740] validate_chain+0x5bf/0xae0 [ 96.253257][ T740] ? __pfx_validate_chain+0x10/0x10 [ 96.253406][ T740] ? hlock_class+0x4e/0x130 [ 96.253558][ T740] ? mark_lock+0x38/0x3e0 [ 96.253671][ T740] __lock_acquire+0xb9a/0x1680 [ 96.253817][ T740] lock_acquire.part.0+0xeb/0x330 [ 96.253964][ T740] ? blocking_notifier_call_chain+0x50/0x90 [ 96.254161][ T740] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 96.254356][ T740] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 96.254522][ T740] ? trace_lock_acquire+0x14c/0x1f0 [ 96.254669][ T740] ? lock_acquire+0x32/0xc0 [ 96.254819][ T740] ? blocking_notifier_call_chain+0x50/0x90 [ 96.255016][ T740] down_read+0x9f/0x340 [ 96.255157][ T740] ? blocking_notifier_call_chain+0x50/0x90 [ 96.255346][ T740] ? __pfx_down_read+0x10/0x10 [ 96.255510][ T740] ? __lock_release+0x103/0x460 [ 96.255655][ T740] ? netconsole_netdev_event+0x2c1/0x620 [ 96.255800][ T740] ? __pfx___lock_release+0x10/0x10 [ 96.255954][ T740] blocking_notifier_call_chain+0x50/0x90 [ 96.256114][ T740] __netdev_upper_dev_unlink+0xd9/0x220 [ 96.256261][ T740] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 96.256450][ T740] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 96.256598][ T740] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 96.256779][ T740] ? rtnl_is_locked+0x15/0x20 [ 96.256928][ T740] netdev_upper_dev_unlink+0x71/0xa0 [ 96.257086][ T740] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 96.257272][ T740] ? netconsole_netdev_event+0x2c1/0x620 [ 96.257420][ T740] ? mutex_is_locked+0x1c/0x60 [ 96.257578][ T740] ? rtnl_is_locked+0x15/0x20 [ 96.257728][ T740] ? netdev_master_upper_dev_get+0x13/0x120 [ 96.257912][ T740] vrf_device_event+0x78/0xe0 [vrf] [ 96.258083][ T740] notifier_call_chain+0xcd/0x150 [ 96.258232][ T740] blocking_notifier_call_chain+0x66/0x90 [ 96.258391][ T740] unregister_netdevice_many_notify+0xa7b/0x1580 [ 96.258581][ T740] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 96.258767][ T740] ? rtnl_dellink+0x228/0xa40 [ 96.258916][ T740] ? sock_def_readable+0x11e/0x300 [ 96.259094][ T740] ? __pfx___mutex_lock+0x10/0x10 [ 96.259241][ T740] ? rtnl_is_locked+0x15/0x20 [ 96.259391][ T740] ? unregister_netdevice_queue+0x70/0x410 [ 96.259574][ T740] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 96.259765][ T740] ? __nla_validate_parse+0x48/0x3d0 [ 96.259915][ T740] rtnl_dellink+0x348/0xa40 [ 96.260079][ T740] ? __pfx_rtnl_dellink+0x10/0x10 [ 96.260242][ T740] ? find_held_lock+0x2c/0x110 [ 96.260396][ T740] ? __lock_release+0x103/0x460 [ 96.260542][ T740] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 96.260690][ T740] ? __pfx___lock_release+0x10/0x10 [ 96.260841][ T740] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 96.260995][ T740] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 96.261148][ T740] ? __pfx_rtnl_dellink+0x10/0x10 [ 96.261295][ T740] rtnetlink_rcv_msg+0x712/0xc10 [ 96.261454][ T740] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 96.261602][ T740] ? hlock_class+0x4e/0x130 [ 96.261752][ T740] ? mark_lock+0x38/0x3e0 [ 96.261864][ T740] ? __lock_acquire+0xb9a/0x1680 [ 96.262016][ T740] netlink_rcv_skb+0x130/0x360 [ 96.262173][ T740] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 96.262318][ T740] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 96.262466][ T740] ? netlink_deliver_tap+0x13e/0x340 [ 96.262615][ T740] ? netlink_deliver_tap+0xc3/0x340 [ 96.262763][ T740] netlink_unicast+0x44b/0x710 [ 96.262906][ T740] ? __pfx_netlink_unicast+0x10/0x10 [ 96.263061][ T740] ? find_held_lock+0x2c/0x110 [ 96.263215][ T740] netlink_sendmsg+0x723/0xbe0 [ 96.263361][ T740] ? __pfx_netlink_sendmsg+0x10/0x10 [ 96.263507][ T740] ____sys_sendmsg+0x7ac/0xa10 [ 96.263655][ T740] ? __pfx_____sys_sendmsg+0x10/0x10 [ 96.263808][ T740] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 96.263994][ T740] ___sys_sendmsg+0xee/0x170 [ 96.264148][ T740] ? __pfx____sys_sendmsg+0x10/0x10 [ 96.264295][ T740] ? kasan_save_stack+0x34/0x50 [ 96.264444][ T740] ? kasan_save_stack+0x24/0x50 [ 96.264587][ T740] ? __kasan_record_aux_stack+0x8e/0xa0 [ 96.264737][ T740] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 96.264926][ T740] ? __x64_sys_close+0x7c/0xd0 [ 96.265078][ T740] ? do_syscall_64+0xc1/0x1d0 [ 96.265227][ T740] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.265411][ T740] ? __lock_acquire+0xb9a/0x1680 [ 96.265558][ T740] ? find_held_lock+0x2c/0x110 [ 96.265704][ T740] ? __lock_release+0x103/0x460 [ 96.265850][ T740] ? __virt_addr_valid+0x22b/0x430 [ 96.265998][ T740] ? __pfx___lock_release+0x10/0x10 [ 96.266144][ T740] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 96.266299][ T740] __sys_sendmsg+0x109/0x1a0 [ 96.266444][ T740] ? __pfx___sys_sendmsg+0x10/0x10 [ 96.266590][ T740] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 96.266778][ T740] do_syscall_64+0xc1/0x1d0 [ 96.266924][ T740] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.267103][ T740] RIP: 0033:0x7f174dcfd9a7 [ 96.267263][ T740] 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 [ 96.267782][ T740] RSP: 002b:00007ffc273e0408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.268010][ T740] RAX: ffffffffffffffda RBX: 00007ffc273e0b30 RCX: 00007f174dcfd9a7 [ 96.268230][ T740] RDX: 0000000000000000 RSI: 00007ffc273e0470 RDI: 0000000000000005 [ 96.268464][ T740] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 96.268690][ T740] R10: 00007f174dbbbef8 R11: 0000000000000246 R12: 0000000000000002 [ 96.268910][ T740] R13: 0000000067792de2 R14: 0000000000498600 R15: 0000000000000000 [ 96.269132][ T740]