[ 12.401573][ T286] ip (286) used greatest stack depth: 24080 bytes left [ 14.399778][ T313] gre: GRE over IPv4 demultiplexor driver [ 14.421615][ T313] ip_gre: GRE over IPv4 tunneling driver [ 15.116006][ T323] GACT probability NOT on [ 15.376264][ T325] ip6_gre: GRE over IPv6 tunneling driver [ 15.524506][ T50] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.652422][ T50] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.749425][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.149365][ T60] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.674938][ T339] br1: port 1(veth1) entered blocking state [ 16.675431][ T339] br1: port 1(veth1) entered disabled state [ 16.675872][ T339] veth1: entered allmulticast mode [ 16.678048][ T339] veth1: entered promiscuous mode [ 16.757034][ T37] br1: port 1(veth1) entered blocking state [ 16.757655][ T37] br1: port 1(veth1) entered forwarding state [ 16.768495][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.769265][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.840652][ T341] br1: port 2(veth2) entered blocking state [ 16.840941][ T341] br1: port 2(veth2) entered disabled state [ 16.841235][ T341] veth2: entered allmulticast mode [ 16.843264][ T341] veth2: entered promiscuous mode [ 16.917231][ T69] br1: port 2(veth2) entered blocking state [ 16.917707][ T69] br1: port 2(veth2) entered forwarding state [ 17.157625][ T60] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.464434][ T60] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.238426][ T60] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.429951][ T11] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 20.989469][ C0] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 23.927621][ T376] Mirror/redirect action on [ 29.181753][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 45.053465][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 76.797304][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 100.132616][ T800] br1: port 1(veth1) entered disabled state [ 100.217346][ T801] br1: port 2(veth2) entered disabled state [ 100.290915][ T802] veth2: left allmulticast mode [ 100.291763][ T802] veth2: left promiscuous mode [ 100.292118][ T802] br1: port 2(veth2) entered disabled state [ 100.294560][ T802] veth1: left allmulticast mode [ 100.294795][ T802] veth1: left promiscuous mode [ 100.295121][ T802] br1: port 1(veth1) entered disabled state [ 100.575058][ T804] [ 100.575306][ T804] ============================================ [ 100.575497][ T804] WARNING: possible recursive locking detected [ 100.575688][ T804] 6.13.0-rc5-virtme #1 Not tainted [ 100.575843][ T804] -------------------------------------------- [ 100.576031][ T804] ip/804 is trying to acquire lock: [ 100.576181][ T804] ffffffffb71d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 100.576496][ T804] [ 100.576496][ T804] but task is already holding lock: [ 100.576731][ T804] ffffffffb71d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 100.577022][ T804] [ 100.577022][ T804] other info that might help us debug this: [ 100.577242][ T804] Possible unsafe locking scenario: [ 100.577242][ T804] [ 100.577495][ T804] CPU0 [ 100.577605][ T804] ---- [ 100.577715][ T804] lock((netdev_chain).rwsem); [ 100.577861][ T804] lock((netdev_chain).rwsem); [ 100.578008][ T804] [ 100.578008][ T804] *** DEADLOCK *** [ 100.578008][ T804] [ 100.578219][ T804] May be due to missing lock nesting notation [ 100.578219][ T804] [ 100.578430][ T804] 2 locks held by ip/804: [ 100.578546][ T804] #0: ffffffffb71e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 100.578815][ T804] #1: ffffffffb71d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 100.579110][ T804] [ 100.579110][ T804] stack backtrace: [ 100.579291][ T804] CPU: 0 UID: 0 PID: 804 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 100.579516][ T804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 100.579700][ T804] Call Trace: [ 100.579814][ T804] [ 100.579890][ T804] dump_stack_lvl+0x82/0xd0 [ 100.580044][ T804] print_deadlock_bug+0x40a/0x650 [ 100.580192][ T804] validate_chain+0x5bf/0xae0 [ 100.580340][ T804] ? __pfx_validate_chain+0x10/0x10 [ 100.580489][ T804] ? hlock_class+0x4e/0x130 [ 100.580644][ T804] ? mark_lock+0x38/0x3e0 [ 100.580756][ T804] __lock_acquire+0xb9a/0x1680 [ 100.580906][ T804] lock_acquire.part.0+0xeb/0x330 [ 100.581051][ T804] ? blocking_notifier_call_chain+0x50/0x90 [ 100.581233][ T804] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 100.581420][ T804] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 100.581568][ T804] ? trace_lock_acquire+0x14c/0x1f0 [ 100.581720][ T804] ? lock_acquire+0x32/0xc0 [ 100.581867][ T804] ? blocking_notifier_call_chain+0x50/0x90 [ 100.582052][ T804] down_read+0x9f/0x340 [ 100.582166][ T804] ? blocking_notifier_call_chain+0x50/0x90 [ 100.582348][ T804] ? __pfx_down_read+0x10/0x10 [ 100.582496][ T804] ? __lock_release+0x103/0x460 [ 100.582644][ T804] ? netconsole_netdev_event+0x2c1/0x620 [ 100.582790][ T804] ? __pfx___lock_release+0x10/0x10 [ 100.582945][ T804] blocking_notifier_call_chain+0x50/0x90 [ 100.583091][ T804] __netdev_upper_dev_unlink+0xd9/0x220 [ 100.583241][ T804] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 100.583426][ T804] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 100.583572][ T804] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 100.583756][ T804] ? rtnl_is_locked+0x15/0x20 [ 100.583913][ T804] netdev_upper_dev_unlink+0x71/0xa0 [ 100.584061][ T804] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 100.584242][ T804] ? netconsole_netdev_event+0x2c1/0x620 [ 100.584389][ T804] ? mutex_is_locked+0x1c/0x60 [ 100.584535][ T804] ? rtnl_is_locked+0x15/0x20 [ 100.584681][ T804] ? netdev_master_upper_dev_get+0x13/0x120 [ 100.584863][ T804] vrf_device_event+0x78/0xe0 [vrf] [ 100.585023][ T804] notifier_call_chain+0xcd/0x150 [ 100.585173][ T804] blocking_notifier_call_chain+0x66/0x90 [ 100.585319][ T804] unregister_netdevice_many_notify+0xa7b/0x1580 [ 100.585502][ T804] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 100.585683][ T804] ? rtnl_dellink+0x228/0xa40 [ 100.585831][ T804] ? sock_def_readable+0x11e/0x300 [ 100.585987][ T804] ? __pfx___mutex_lock+0x10/0x10 [ 100.586136][ T804] ? rtnl_is_locked+0x15/0x20 [ 100.586282][ T804] ? unregister_netdevice_queue+0x70/0x410 [ 100.586461][ T804] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 100.586641][ T804] ? __nla_validate_parse+0x48/0x3d0 [ 100.586791][ T804] rtnl_dellink+0x348/0xa40 [ 100.586937][ T804] ? __pfx_rtnl_dellink+0x10/0x10 [ 100.587099][ T804] ? find_held_lock+0x2c/0x110 [ 100.587254][ T804] ? __lock_release+0x103/0x460 [ 100.587425][ T804] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 100.587572][ T804] ? __pfx___lock_release+0x10/0x10 [ 100.587719][ T804] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 100.587866][ T804] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 100.588018][ T804] ? __pfx_rtnl_dellink+0x10/0x10 [ 100.588164][ T804] rtnetlink_rcv_msg+0x712/0xc10 [ 100.588318][ T804] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 100.588463][ T804] ? hlock_class+0x4e/0x130 [ 100.588608][ T804] ? mark_lock+0x38/0x3e0 [ 100.588720][ T804] ? __lock_acquire+0xb9a/0x1680 [ 100.588871][ T804] netlink_rcv_skb+0x130/0x360 [ 100.589021][ T804] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 100.589169][ T804] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 100.589323][ T804] ? netlink_deliver_tap+0x13e/0x340 [ 100.589472][ T804] ? netlink_deliver_tap+0xc3/0x340 [ 100.589619][ T804] netlink_unicast+0x44b/0x710 [ 100.589769][ T804] ? __pfx_netlink_unicast+0x10/0x10 [ 100.589913][ T804] ? find_held_lock+0x2c/0x110 [ 100.590060][ T804] netlink_sendmsg+0x723/0xbe0 [ 100.590211][ T804] ? __pfx_netlink_sendmsg+0x10/0x10 [ 100.590368][ T804] ____sys_sendmsg+0x7ac/0xa10 [ 100.590515][ T804] ? __pfx_____sys_sendmsg+0x10/0x10 [ 100.590660][ T804] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 100.590844][ T804] ___sys_sendmsg+0xee/0x170 [ 100.590993][ T804] ? __pfx____sys_sendmsg+0x10/0x10 [ 100.591140][ T804] ? kasan_save_stack+0x34/0x50 [ 100.591287][ T804] ? kasan_save_stack+0x24/0x50 [ 100.591439][ T804] ? __kasan_record_aux_stack+0x8e/0xa0 [ 100.591590][ T804] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 100.591773][ T804] ? __x64_sys_close+0x7c/0xd0 [ 100.591920][ T804] ? do_syscall_64+0xc1/0x1d0 [ 100.592067][ T804] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.592252][ T804] ? __lock_acquire+0xb9a/0x1680 [ 100.592402][ T804] ? find_held_lock+0x2c/0x110 [ 100.592548][ T804] ? __lock_release+0x103/0x460 [ 100.592700][ T804] ? __virt_addr_valid+0x22b/0x430 [ 100.592850][ T804] ? __pfx___lock_release+0x10/0x10 [ 100.592998][ T804] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 100.593146][ T804] __sys_sendmsg+0x109/0x1a0 [ 100.593294][ T804] ? __pfx___sys_sendmsg+0x10/0x10 [ 100.593439][ T804] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 100.593638][ T804] do_syscall_64+0xc1/0x1d0 [ 100.593785][ T804] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.593968][ T804] RIP: 0033:0x7eff5be899a7 [ 100.594125][ T804] 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 [ 100.594641][ T804] RSP: 002b:00007ffe68cf3288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 100.594871][ T804] RAX: ffffffffffffffda RBX: 00007ffe68cf39b0 RCX: 00007eff5be899a7 [ 100.595093][ T804] RDX: 0000000000000000 RSI: 00007ffe68cf32f0 RDI: 0000000000000005 [ 100.595314][ T804] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 100.595530][ T804] R10: 00007eff5bd47ef8 R11: 0000000000000246 R12: 0000000000000002 [ 100.595756][ T804] R13: 0000000067790327 R14: 0000000000498600 R15: 0000000000000000 [ 100.595978][ T804] [ 100.612972][ T804] ip (804) used greatest stack depth: 23904 bytes left