[ 11.318606][ T251] ip (251) used greatest stack depth: 24208 bytes left [ 11.722175][ T260] ip (260) used greatest stack depth: 23424 bytes left [ 15.115865][ T314] gre: GRE over IPv4 demultiplexor driver [ 15.137103][ T314] ip_gre: GRE over IPv4 tunneling driver [ 15.965579][ T325] GACT probability NOT on [ 15.996789][ T323] tc (323) used greatest stack depth: 23408 bytes left [ 16.199654][ T327] ip6_gre: GRE over IPv6 tunneling driver [ 16.376656][ T239] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.492664][ T239] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.824985][ T239] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.953936][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.276201][ T341] br1: port 1(veth1) entered blocking state [ 17.276714][ T341] br1: port 1(veth1) entered disabled state [ 17.277448][ T341] veth1: entered allmulticast mode [ 17.280055][ T341] veth1: entered promiscuous mode [ 17.368968][ T40] br1: port 1(veth1) entered blocking state [ 17.369417][ T40] br1: port 1(veth1) entered forwarding state [ 17.449462][ T343] br1: port 2(veth2) entered blocking state [ 17.449772][ T343] br1: port 2(veth2) entered disabled state [ 17.450052][ T343] veth2: entered allmulticast mode [ 17.452501][ T343] veth2: entered promiscuous mode [ 17.579638][ T69] br1: port 2(veth2) entered blocking state [ 17.579938][ T69] br1: port 2(veth2) entered forwarding state [ 18.018643][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.019504][ T67] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.481580][ T61] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 21.665548][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 25.912322][ T398] Mirror/redirect action on [ 29.153856][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 43.490092][ C0] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 64.439661][ T602] br1: port 1(veth1) entered disabled state [ 64.511765][ T603] br1: port 2(veth2) entered disabled state [ 64.608737][ T604] veth2: left allmulticast mode [ 64.608987][ T604] veth2: left promiscuous mode [ 64.609334][ T604] br1: port 2(veth2) entered disabled state [ 64.611468][ T604] veth1: left allmulticast mode [ 64.611672][ T604] veth1: left promiscuous mode [ 64.611978][ T604] br1: port 1(veth1) entered disabled state [ 64.804183][ T605] [ 64.804415][ T605] ============================================ [ 64.804607][ T605] WARNING: possible recursive locking detected [ 64.804791][ T605] 6.13.0-rc5-virtme #1 Not tainted [ 64.804938][ T605] -------------------------------------------- [ 64.805123][ T605] ip/605 is trying to acquire lock: [ 64.805284][ T605] ffffffff887d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 64.805599][ T605] [ 64.805599][ T605] but task is already holding lock: [ 64.805813][ T605] ffffffff887d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 64.806113][ T605] [ 64.806113][ T605] other info that might help us debug this: [ 64.806328][ T605] Possible unsafe locking scenario: [ 64.806328][ T605] [ 64.806538][ T605] CPU0 [ 64.806647][ T605] ---- [ 64.806756][ T605] lock((netdev_chain).rwsem); [ 64.806903][ T605] lock((netdev_chain).rwsem); [ 64.807051][ T605] [ 64.807051][ T605] *** DEADLOCK *** [ 64.807051][ T605] [ 64.807282][ T605] May be due to missing lock nesting notation [ 64.807282][ T605] [ 64.807515][ T605] 2 locks held by ip/605: [ 64.807637][ T605] #0: ffffffff887e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 64.807924][ T605] #1: ffffffff887d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 64.808245][ T605] [ 64.808245][ T605] stack backtrace: [ 64.808457][ T605] CPU: 0 UID: 0 PID: 605 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 64.808701][ T605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.808897][ T605] Call Trace: [ 64.809020][ T605] [ 64.809103][ T605] dump_stack_lvl+0x82/0xd0 [ 64.809273][ T605] print_deadlock_bug+0x40a/0x650 [ 64.809440][ T605] validate_chain+0x5bf/0xae0 [ 64.809606][ T605] ? __pfx_validate_chain+0x10/0x10 [ 64.809771][ T605] ? hlock_class+0x4e/0x130 [ 64.809929][ T605] ? mark_lock+0x38/0x3e0 [ 64.810055][ T605] __lock_acquire+0xb9a/0x1680 [ 64.810220][ T605] lock_acquire.part.0+0xeb/0x330 [ 64.810380][ T605] ? blocking_notifier_call_chain+0x50/0x90 [ 64.810589][ T605] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 64.810795][ T605] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 64.810956][ T605] ? trace_lock_acquire+0x14c/0x1f0 [ 64.811117][ T605] ? lock_acquire+0x32/0xc0 [ 64.811276][ T605] ? blocking_notifier_call_chain+0x50/0x90 [ 64.811476][ T605] down_read+0x9f/0x340 [ 64.811600][ T605] ? blocking_notifier_call_chain+0x50/0x90 [ 64.811804][ T605] ? __pfx_down_read+0x10/0x10 [ 64.811968][ T605] ? __lock_release+0x103/0x460 [ 64.812129][ T605] ? netconsole_netdev_event+0x2c1/0x620 [ 64.812289][ T605] ? __pfx___lock_release+0x10/0x10 [ 64.812450][ T605] blocking_notifier_call_chain+0x50/0x90 [ 64.812610][ T605] __netdev_upper_dev_unlink+0xd9/0x220 [ 64.812773][ T605] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 64.812973][ T605] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 64.813133][ T605] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 64.813335][ T605] ? rtnl_is_locked+0x15/0x20 [ 64.813496][ T605] netdev_upper_dev_unlink+0x71/0xa0 [ 64.813655][ T605] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 64.813853][ T605] ? netconsole_netdev_event+0x2c1/0x620 [ 64.814020][ T605] ? mutex_is_locked+0x1c/0x60 [ 64.814183][ T605] ? rtnl_is_locked+0x15/0x20 [ 64.814342][ T605] ? netdev_master_upper_dev_get+0x13/0x120 [ 64.814542][ T605] vrf_device_event+0x78/0xe0 [vrf] [ 64.814711][ T605] notifier_call_chain+0xcd/0x150 [ 64.814873][ T605] blocking_notifier_call_chain+0x66/0x90 [ 64.815032][ T605] unregister_netdevice_many_notify+0xa7b/0x1580 [ 64.815240][ T605] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 64.815437][ T605] ? rtnl_dellink+0x228/0xa40 [ 64.815596][ T605] ? sock_def_readable+0x11e/0x300 [ 64.815758][ T605] ? __pfx___mutex_lock+0x10/0x10 [ 64.815920][ T605] ? rtnl_is_locked+0x15/0x20 [ 64.816078][ T605] ? unregister_netdevice_queue+0x70/0x410 [ 64.816276][ T605] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 64.816481][ T605] ? __nla_validate_parse+0x48/0x3d0 [ 64.816644][ T605] rtnl_dellink+0x348/0xa40 [ 64.816804][ T605] ? __pfx_rtnl_dellink+0x10/0x10 [ 64.816978][ T605] ? find_held_lock+0x2c/0x110 [ 64.817141][ T605] ? __lock_release+0x103/0x460 [ 64.817300][ T605] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 64.817460][ T605] ? __pfx___lock_release+0x10/0x10 [ 64.817623][ T605] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 64.817791][ T605] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 64.817949][ T605] ? __pfx_rtnl_dellink+0x10/0x10 [ 64.818110][ T605] rtnetlink_rcv_msg+0x712/0xc10 [ 64.818272][ T605] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 64.818443][ T605] ? hlock_class+0x4e/0x130 [ 64.818605][ T605] ? mark_lock+0x38/0x3e0 [ 64.818727][ T605] ? __lock_acquire+0xb9a/0x1680 [ 64.818893][ T605] netlink_rcv_skb+0x130/0x360 [ 64.819056][ T605] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 64.819216][ T605] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 64.819381][ T605] ? netlink_deliver_tap+0x13e/0x340 [ 64.819543][ T605] ? netlink_deliver_tap+0xc3/0x340 [ 64.819706][ T605] netlink_unicast+0x44b/0x710 [ 64.819869][ T605] ? __pfx_netlink_unicast+0x10/0x10 [ 64.820032][ T605] ? find_held_lock+0x2c/0x110 [ 64.820194][ T605] netlink_sendmsg+0x723/0xbe0 [ 64.820358][ T605] ? __pfx_netlink_sendmsg+0x10/0x10 [ 64.820520][ T605] ____sys_sendmsg+0x7ac/0xa10 [ 64.820681][ T605] ? __pfx_____sys_sendmsg+0x10/0x10 [ 64.820841][ T605] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 64.821046][ T605] ___sys_sendmsg+0xee/0x170 [ 64.821213][ T605] ? __pfx____sys_sendmsg+0x10/0x10 [ 64.821377][ T605] ? kasan_save_stack+0x34/0x50 [ 64.821539][ T605] ? kasan_save_stack+0x24/0x50 [ 64.821702][ T605] ? __kasan_record_aux_stack+0x8e/0xa0 [ 64.821867][ T605] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 64.822069][ T605] ? __x64_sys_close+0x7c/0xd0 [ 64.822231][ T605] ? do_syscall_64+0xc1/0x1d0 [ 64.822400][ T605] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.822606][ T605] ? __lock_acquire+0xb9a/0x1680 [ 64.822770][ T605] ? find_held_lock+0x2c/0x110 [ 64.822933][ T605] ? __lock_release+0x103/0x460 [ 64.823095][ T605] ? __virt_addr_valid+0x22b/0x430 [ 64.823258][ T605] ? __pfx___lock_release+0x10/0x10 [ 64.823418][ T605] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 64.823584][ T605] __sys_sendmsg+0x109/0x1a0 [ 64.823748][ T605] ? __pfx___sys_sendmsg+0x10/0x10 [ 64.823908][ T605] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 64.824114][ T605] do_syscall_64+0xc1/0x1d0 [ 64.824275][ T605] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.824474][ T605] RIP: 0033:0x7f32924409a7 [ 64.824645][ T605] 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 [ 64.825213][ T605] RSP: 002b:00007ffca7fe3268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.825459][ T605] RAX: ffffffffffffffda RBX: 00007ffca7fe3990 RCX: 00007f32924409a7 [ 64.825703][ T605] RDX: 0000000000000000 RSI: 00007ffca7fe32d0 RDI: 0000000000000005 [ 64.825950][ T605] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 64.826193][ T605] R10: 00007f32922feef8 R11: 0000000000000246 R12: 0000000000000002 [ 64.826433][ T605] R13: 00000000677956c9 R14: 0000000000498600 R15: 0000000000000000 [ 64.826658][ T605]