[ 14.339756][ T312] gre: GRE over IPv4 demultiplexor driver [ 14.355714][ T312] ip_gre: GRE over IPv4 tunneling driver [ 14.546777][ T317] ip (317) used greatest stack depth: 23960 bytes left [ 15.055649][ T322] GACT probability NOT on [ 15.266963][ T324] ip6_gre: GRE over IPv6 tunneling driver [ 15.430880][ T62] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.578651][ T9] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.032692][ T9] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.258527][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.511650][ T340] br1: port 1(veth1) entered blocking state [ 16.512135][ T340] br1: port 1(veth1) entered disabled state [ 16.512531][ T340] veth1: entered allmulticast mode [ 16.514547][ T340] veth1: entered promiscuous mode [ 16.593275][ T37] br1: port 1(veth1) entered blocking state [ 16.593981][ T37] br1: port 1(veth1) entered forwarding state [ 16.671209][ T342] br1: port 2(veth2) entered blocking state [ 16.672615][ T342] br1: port 2(veth2) entered disabled state [ 16.680299][ T342] veth2: entered allmulticast mode [ 16.682622][ T342] veth2: entered promiscuous mode [ 16.770111][ T69] br1: port 2(veth2) entered blocking state [ 16.770418][ T69] br1: port 2(veth2) entered forwarding state [ 17.283767][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.284467][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.289264][ T50] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 17.712890][ T62] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 17.792645][ T11] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 17.802846][ T358] 8021q: 802.1Q VLAN Support v1.8 [ 17.974734][ T361] br2: port 1(veth4.555) entered blocking state [ 17.975044][ T361] br2: port 1(veth4.555) entered disabled state [ 17.975326][ T361] veth4.555: entered allmulticast mode [ 17.975523][ T361] veth4: entered allmulticast mode [ 17.978479][ T361] veth4.555: entered promiscuous mode [ 17.978702][ T361] veth4: entered promiscuous mode [ 17.979753][ T361] br2: port 1(veth4.555) entered blocking state [ 17.980184][ T361] br2: port 1(veth4.555) entered forwarding state [ 18.121540][ T50] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 20.992611][ C3] ip6_tnl_xmit_ctl: 3 callbacks suppressed [ 20.993031][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 24.804143][ T394] Mirror/redirect action on [ 28.609116][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 42.944729][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 71.104854][ C0] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 74.204991][ T652] br2: port 1(veth4.555) entered disabled state [ 79.714994][ T674] br2: port 1(veth4.555) entered forwarding state [ 90.105228][ T734] br2: port 1(veth4.555) entered disabled state [ 95.606757][ T756] br2: port 1(veth4.555) entered forwarding state [ 101.300027][ T786] [ 101.300176][ T786] ============================================ [ 101.300371][ T786] WARNING: possible recursive locking detected [ 101.300558][ T786] 6.13.0-rc5-virtme #1 Not tainted [ 101.300708][ T786] -------------------------------------------- [ 101.300895][ T786] ip/786 is trying to acquire lock: [ 101.301047][ T786] ffffffff90dd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 101.301356][ T786] [ 101.301356][ T786] but task is already holding lock: [ 101.301575][ T786] ffffffff90dd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 101.301873][ T786] [ 101.301873][ T786] other info that might help us debug this: [ 101.302097][ T786] Possible unsafe locking scenario: [ 101.302097][ T786] [ 101.302342][ T786] CPU0 [ 101.302466][ T786] ---- [ 101.302596][ T786] lock((netdev_chain).rwsem); [ 101.302764][ T786] lock((netdev_chain).rwsem); [ 101.302924][ T786] [ 101.302924][ T786] *** DEADLOCK *** [ 101.302924][ T786] [ 101.303161][ T786] May be due to missing lock nesting notation [ 101.303161][ T786] [ 101.303403][ T786] 2 locks held by ip/786: [ 101.303528][ T786] #0: ffffffff90de7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 101.303825][ T786] #1: ffffffff90dd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 101.304150][ T786] [ 101.304150][ T786] stack backtrace: [ 101.304353][ T786] CPU: 2 UID: 0 PID: 786 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 101.304597][ T786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.304799][ T786] Call Trace: [ 101.304923][ T786] [ 101.305009][ T786] dump_stack_lvl+0x82/0xd0 [ 101.305179][ T786] print_deadlock_bug+0x40a/0x650 [ 101.305345][ T786] validate_chain+0x5bf/0xae0 [ 101.305514][ T786] ? __pfx_validate_chain+0x10/0x10 [ 101.305679][ T786] ? hlock_class+0x4e/0x130 [ 101.305841][ T786] ? mark_lock+0x38/0x3e0 [ 101.305965][ T786] __lock_acquire+0xb9a/0x1680 [ 101.306131][ T786] lock_acquire.part.0+0xeb/0x330 [ 101.306293][ T786] ? blocking_notifier_call_chain+0x50/0x90 [ 101.306496][ T786] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 101.306701][ T786] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 101.306867][ T786] ? trace_lock_acquire+0x14c/0x1f0 [ 101.307031][ T786] ? lock_acquire+0x32/0xc0 [ 101.307193][ T786] ? blocking_notifier_call_chain+0x50/0x90 [ 101.307387][ T786] down_read+0x9f/0x340 [ 101.307500][ T786] ? blocking_notifier_call_chain+0x50/0x90 [ 101.307681][ T786] ? __pfx_down_read+0x10/0x10 [ 101.307831][ T786] ? __lock_release+0x103/0x460 [ 101.307981][ T786] ? netconsole_netdev_event+0x2c1/0x620 [ 101.308136][ T786] ? __pfx___lock_release+0x10/0x10 [ 101.308291][ T786] blocking_notifier_call_chain+0x50/0x90 [ 101.308440][ T786] __netdev_upper_dev_unlink+0xd9/0x220 [ 101.308588][ T786] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 101.308772][ T786] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 101.308925][ T786] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 101.309113][ T786] ? rtnl_is_locked+0x15/0x20 [ 101.309266][ T786] netdev_upper_dev_unlink+0x71/0xa0 [ 101.309414][ T786] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 101.309607][ T786] ? netconsole_netdev_event+0x2c1/0x620 [ 101.309755][ T786] ? mutex_is_locked+0x1c/0x60 [ 101.309903][ T786] ? rtnl_is_locked+0x15/0x20 [ 101.310053][ T786] ? netdev_master_upper_dev_get+0x13/0x120 [ 101.310241][ T786] vrf_device_event+0x78/0xe0 [vrf] [ 101.310394][ T786] notifier_call_chain+0xcd/0x150 [ 101.310544][ T786] blocking_notifier_call_chain+0x66/0x90 [ 101.310694][ T786] unregister_netdevice_many_notify+0xa7b/0x1580 [ 101.310879][ T786] ? __lock_release+0x103/0x460 [ 101.311031][ T786] ? __pfx___lock_release+0x10/0x10 [ 101.311200][ T786] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 101.311403][ T786] ? hlock_class+0x4e/0x130 [ 101.311566][ T786] ? mark_held_locks+0x9e/0xe0 [ 101.311729][ T786] ? __pfx_vlan_info_rcu_free+0x10/0x10 [ 101.311895][ T786] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 101.312100][ T786] rtnl_dellink+0x348/0xa40 [ 101.312261][ T786] ? __pfx_rtnl_dellink+0x10/0x10 [ 101.312443][ T786] ? find_held_lock+0x2c/0x110 [ 101.312605][ T786] ? __lock_release+0x103/0x460 [ 101.312766][ T786] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 101.312928][ T786] ? __pfx___lock_release+0x10/0x10 [ 101.313089][ T786] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 101.313254][ T786] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 101.313417][ T786] ? __pfx_rtnl_dellink+0x10/0x10 [ 101.313581][ T786] rtnetlink_rcv_msg+0x712/0xc10 [ 101.313743][ T786] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 101.313903][ T786] ? hlock_class+0x4e/0x130 [ 101.314064][ T786] ? mark_lock+0x38/0x3e0 [ 101.314188][ T786] ? __lock_acquire+0xb9a/0x1680 [ 101.314353][ T786] netlink_rcv_skb+0x130/0x360 [ 101.314514][ T786] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 101.314683][ T786] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 101.314848][ T786] ? netlink_deliver_tap+0x13e/0x340 [ 101.315011][ T786] ? netlink_deliver_tap+0xc3/0x340 [ 101.315174][ T786] netlink_unicast+0x44b/0x710 [ 101.315337][ T786] ? __pfx_netlink_unicast+0x10/0x10 [ 101.315498][ T786] ? find_held_lock+0x2c/0x110 [ 101.315661][ T786] netlink_sendmsg+0x723/0xbe0 [ 101.315826][ T786] ? __pfx_netlink_sendmsg+0x10/0x10 [ 101.315992][ T786] ____sys_sendmsg+0x7ac/0xa10 [ 101.316155][ T786] ? __pfx_____sys_sendmsg+0x10/0x10 [ 101.316315][ T786] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 101.316502][ T786] ___sys_sendmsg+0xee/0x170 [ 101.316651][ T786] ? __pfx____sys_sendmsg+0x10/0x10 [ 101.316800][ T786] ? kasan_save_stack+0x34/0x50 [ 101.316955][ T786] ? kasan_save_stack+0x24/0x50 [ 101.317101][ T786] ? __kasan_record_aux_stack+0x8e/0xa0 [ 101.317264][ T786] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 101.317448][ T786] ? __x64_sys_close+0x7c/0xd0 [ 101.317595][ T786] ? do_syscall_64+0xc1/0x1d0 [ 101.317743][ T786] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.317929][ T786] ? __lock_acquire+0xb9a/0x1680 [ 101.318077][ T786] ? find_held_lock+0x2c/0x110 [ 101.318239][ T786] ? __lock_release+0x103/0x460 [ 101.318394][ T786] ? __virt_addr_valid+0x22b/0x430 [ 101.318544][ T786] ? __pfx___lock_release+0x10/0x10 [ 101.318691][ T786] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 101.318839][ T786] __sys_sendmsg+0x109/0x1a0 [ 101.318986][ T786] ? __pfx___sys_sendmsg+0x10/0x10 [ 101.319134][ T786] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 101.319328][ T786] do_syscall_64+0xc1/0x1d0 [ 101.319482][ T786] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.319667][ T786] RIP: 0033:0x7fad301589a7 [ 101.319834][ T786] 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 [ 101.320404][ T786] RSP: 002b:00007fff94f20338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.320649][ T786] RAX: ffffffffffffffda RBX: 00007fff94f20a60 RCX: 00007fad301589a7 [ 101.320891][ T786] RDX: 0000000000000000 RSI: 00007fff94f203a0 RDI: 0000000000000005 [ 101.321134][ T786] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 101.321381][ T786] R10: 00007fad30016ef8 R11: 0000000000000246 R12: 0000000000000002 [ 101.321625][ T786] R13: 00000000677902b8 R14: 0000000000498600 R15: 0000000000000000 [ 101.321868][ T786] [ 101.356542][ T786] ip (786) used greatest stack depth: 23624 bytes left [ 101.405550][ T787] veth4.555: left allmulticast mode [ 101.405756][ T787] veth4: left allmulticast mode [ 101.405916][ T787] veth4.555: left promiscuous mode [ 101.406068][ T787] veth4: left promiscuous mode [ 101.406531][ T787] br2: port 1(veth4.555) entered disabled state [ 101.908544][ T794] br1: port 1(veth1) entered disabled state [ 101.963974][ T795] br1: port 2(veth2) entered disabled state [ 102.020681][ T796] veth2: left allmulticast mode [ 102.020872][ T796] veth2: left promiscuous mode [ 102.021135][ T796] br1: port 2(veth2) entered disabled state [ 102.022068][ T796] veth1: left allmulticast mode [ 102.022223][ T796] veth1: left promiscuous mode [ 102.022524][ T796] br1: port 1(veth1) entered disabled state