[ 57.286836][ T1012] u32 classifier [ 57.287053][ T1012] input device check on [ 57.287226][ T1012] Actions configured [ 58.458470][ T1031] gre: GRE over IPv4 demultiplexor driver [ 58.473222][ T1031] ip_gre: GRE over IPv4 tunneling driver [ 61.452700][ T1093] ip6_gre: GRE over IPv6 tunneling driver [ 61.695207][ T9] ip6_tunnel: ip6gretap00 xmit: Local address not yet configured! [ 64.918000][ T50] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 64.987478][ T11] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 65.345871][ T50] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 65.985893][ T1173] test-br0: port 1(test-dummy0) entered blocking state [ 65.986365][ T1173] test-br0: port 1(test-dummy0) entered disabled state [ 65.986605][ T1173] test-dummy0: entered allmulticast mode [ 65.987875][ T1173] test-dummy0: entered promiscuous mode [ 66.089886][ T1177] test-br0: port 1(test-dummy0) entered blocking state [ 66.090302][ T1177] test-br0: port 1(test-dummy0) entered forwarding state [ 66.099329][ T1177] ip (1177) used greatest stack depth: 23744 bytes left [ 67.609217][ T1213] test-dummy0: left allmulticast mode [ 67.609442][ T1213] test-dummy0: left promiscuous mode [ 67.609756][ T1213] test-br0: port 1(test-dummy0) entered disabled state [ 145.827670][ T3359] ip (3359) used greatest stack depth: 23064 bytes left [ 148.763794][ T3419] [ 148.764001][ T3419] ============================================ [ 148.764195][ T3419] WARNING: possible recursive locking detected [ 148.764378][ T3419] 6.13.0-rc5-virtme #1 Not tainted [ 148.764527][ T3419] -------------------------------------------- [ 148.764720][ T3419] ip/3419 is trying to acquire lock: [ 148.764865][ T3419] ffffffffbc5f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 148.765171][ T3419] [ 148.765171][ T3419] but task is already holding lock: [ 148.765382][ T3419] ffffffffbc5f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 148.765669][ T3419] [ 148.765669][ T3419] other info that might help us debug this: [ 148.765886][ T3419] Possible unsafe locking scenario: [ 148.765886][ T3419] [ 148.766101][ T3419] CPU0 [ 148.766210][ T3419] ---- [ 148.766318][ T3419] lock((netdev_chain).rwsem); [ 148.766466][ T3419] lock((netdev_chain).rwsem); [ 148.766610][ T3419] [ 148.766610][ T3419] *** DEADLOCK *** [ 148.766610][ T3419] [ 148.766824][ T3419] May be due to missing lock nesting notation [ 148.766824][ T3419] [ 148.767036][ T3419] 2 locks held by ip/3419: [ 148.767181][ T3419] #0: ffffffffbc607e88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 148.767443][ T3419] #1: ffffffffbc5f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 148.767735][ T3419] [ 148.767735][ T3419] stack backtrace: [ 148.767927][ T3419] CPU: 0 UID: 0 PID: 3419 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 148.768149][ T3419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 148.768329][ T3419] Call Trace: [ 148.768440][ T3419] [ 148.768517][ T3419] dump_stack_lvl+0x82/0xd0 [ 148.768667][ T3419] print_deadlock_bug+0x40a/0x650 [ 148.768817][ T3419] validate_chain+0x5bf/0xae0 [ 148.768968][ T3419] ? __pfx_validate_chain+0x10/0x10 [ 148.769116][ T3419] ? hlock_class+0x4e/0x130 [ 148.769261][ T3419] ? mark_lock+0x38/0x3e0 [ 148.769375][ T3419] __lock_acquire+0xb9a/0x1680 [ 148.769519][ T3419] ? arch_stack_walk+0x31/0xf0 [ 148.769668][ T3419] lock_acquire.part.0+0xeb/0x330 [ 148.769812][ T3419] ? blocking_notifier_call_chain+0x50/0x90 [ 148.769999][ T3419] ? find_stack+0xbc/0x140 [ 148.770149][ T3419] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 148.770299][ T3419] ? trace_lock_acquire+0x14c/0x1f0 [ 148.770444][ T3419] ? lock_acquire+0x32/0xc0 [ 148.770589][ T3419] ? blocking_notifier_call_chain+0x50/0x90 [ 148.770768][ T3419] down_read+0x9f/0x340 [ 148.770879][ T3419] ? blocking_notifier_call_chain+0x50/0x90 [ 148.771064][ T3419] ? __pfx_down_read+0x10/0x10 [ 148.771209][ T3419] ? netlink_sendmsg+0x723/0xbe0 [ 148.771356][ T3419] ? ____sys_sendmsg+0x7ac/0xa10 [ 148.771503][ T3419] ? ___sys_sendmsg+0xee/0x170 [ 148.771649][ T3419] ? __sys_sendmsg+0x109/0x1a0 [ 148.771795][ T3419] ? do_syscall_64+0xc1/0x1d0 [ 148.771940][ T3419] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 148.772123][ T3419] blocking_notifier_call_chain+0x50/0x90 [ 148.772272][ T3419] __netdev_upper_dev_unlink+0xd9/0x220 [ 148.772417][ T3419] ? __pfx___lock_release+0x10/0x10 [ 148.772561][ T3419] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 148.772741][ T3419] ? hlock_class+0x4e/0x130 [ 148.772886][ T3419] ? mark_lock+0x38/0x3e0 [ 148.772995][ T3419] ? hlock_class+0x4e/0x130 [ 148.773139][ T3419] netdev_upper_dev_unlink+0x71/0xa0 [ 148.773286][ T3419] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 148.773466][ T3419] unregister_vlan_dev+0x1c9/0x3b0 [ 148.773614][ T3419] vlan_device_event+0x1697/0x2130 [ 148.773760][ T3419] ? __pfx_vlan_device_event+0x10/0x10 [ 148.773906][ T3419] ? __pfx_br_device_event+0x10/0x10 [ 148.774055][ T3419] ? packet_notifier+0x3b0/0x810 [ 148.774200][ T3419] notifier_call_chain+0xcd/0x150 [ 148.774349][ T3419] blocking_notifier_call_chain+0x66/0x90 [ 148.774493][ T3419] unregister_netdevice_many_notify+0xa83/0x1580 [ 148.774678][ T3419] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 148.774858][ T3419] ? vxlan_dellink+0x1ef/0x2f0 [vxlan] [ 148.775019][ T3419] ? __nla_validate_parse+0x48/0x3d0 [ 148.775165][ T3419] rtnl_dellink+0x348/0xa40 [ 148.775321][ T3419] ? __pfx_rtnl_dellink+0x10/0x10 [ 148.775480][ T3419] ? find_held_lock+0x2c/0x110 [ 148.775626][ T3419] ? __lock_release+0x103/0x460 [ 148.775770][ T3419] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 148.775914][ T3419] ? __pfx___lock_release+0x10/0x10 [ 148.776057][ T3419] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 148.776202][ T3419] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 148.776353][ T3419] ? __pfx_rtnl_dellink+0x10/0x10 [ 148.776499][ T3419] rtnetlink_rcv_msg+0x712/0xc10 [ 148.776647][ T3419] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 148.776793][ T3419] ? hlock_class+0x4e/0x130 [ 148.776939][ T3419] ? mark_lock+0x38/0x3e0 [ 148.777051][ T3419] ? __lock_acquire+0xb9a/0x1680 [ 148.777194][ T3419] netlink_rcv_skb+0x130/0x360 [ 148.777338][ T3419] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 148.777486][ T3419] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 148.777637][ T3419] ? netlink_deliver_tap+0x13e/0x340 [ 148.777788][ T3419] ? netlink_deliver_tap+0xc3/0x340 [ 148.777932][ T3419] netlink_unicast+0x44b/0x710 [ 148.778079][ T3419] ? __pfx_netlink_unicast+0x10/0x10 [ 148.778224][ T3419] ? find_held_lock+0x2c/0x110 [ 148.778368][ T3419] netlink_sendmsg+0x723/0xbe0 [ 148.778516][ T3419] ? __pfx_netlink_sendmsg+0x10/0x10 [ 148.778663][ T3419] ____sys_sendmsg+0x7ac/0xa10 [ 148.778807][ T3419] ? __pfx_____sys_sendmsg+0x10/0x10 [ 148.778951][ T3419] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 148.779130][ T3419] ___sys_sendmsg+0xee/0x170 [ 148.779278][ T3419] ? __pfx____sys_sendmsg+0x10/0x10 [ 148.779428][ T3419] ? kasan_save_stack+0x34/0x50 [ 148.779580][ T3419] ? kasan_save_stack+0x24/0x50 [ 148.779726][ T3419] ? __kasan_record_aux_stack+0x8e/0xa0 [ 148.779874][ T3419] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 148.780058][ T3419] ? __x64_sys_close+0x7c/0xd0 [ 148.780204][ T3419] ? do_syscall_64+0xc1/0x1d0 [ 148.780350][ T3419] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 148.780530][ T3419] ? __lock_acquire+0xb9a/0x1680 [ 148.780680][ T3419] ? find_held_lock+0x2c/0x110 [ 148.780826][ T3419] ? __lock_release+0x103/0x460 [ 148.780971][ T3419] ? __virt_addr_valid+0x22b/0x430 [ 148.781120][ T3419] ? __pfx___lock_release+0x10/0x10 [ 148.781264][ T3419] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 148.781410][ T3419] __sys_sendmsg+0x109/0x1a0 [ 148.781554][ T3419] ? __pfx___sys_sendmsg+0x10/0x10 [ 148.781704][ T3419] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 148.781891][ T3419] do_syscall_64+0xc1/0x1d0 [ 148.782036][ T3419] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 148.782217][ T3419] RIP: 0033:0x7fdb937ae9a7 [ 148.782374][ T3419] 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 [ 148.782887][ T3419] RSP: 002b:00007fffa6a732a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.783108][ T3419] RAX: ffffffffffffffda RBX: 00007fffa6a739e0 RCX: 00007fdb937ae9a7 [ 148.783325][ T3419] RDX: 0000000000000000 RSI: 00007fffa6a73310 RDI: 0000000000000005 [ 148.783548][ T3419] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 148.783770][ T3419] R10: 00007fdb9366c4a8 R11: 0000000000000246 R12: 0000000000000001 [ 148.783992][ T3419] R13: 00000000677908d9 R14: 0000000000498600 R15: 0000000000000000 [ 148.784214][ T3419] [ 149.507000][ T3440] MACsec IEEE 802.1AE [ 150.192304][ T3461] Initializing XFRM netlink socket [ 152.175668][ T3360] netdevsim netdevsim0 eni0np1: renamed from eth0 [ 155.046292][ T3579] test-br0: port 1(vxlan10) entered blocking state [ 155.046614][ T3579] test-br0: port 1(vxlan10) entered disabled state [ 155.046866][ T3579] vxlan10: entered allmulticast mode [ 155.047913][ T3579] vxlan10: entered promiscuous mode [ 155.465259][ T11] vxlan10: left allmulticast mode [ 155.465485][ T11] vxlan10: left promiscuous mode [ 155.465782][ T11] test-br0: port 1(vxlan10) entered disabled state [ 156.064447][ T3609] test-br0: port 1(dummy1) entered blocking state [ 156.065289][ T3609] test-br0: port 1(dummy1) entered disabled state [ 156.065499][ T3609] dummy1: entered allmulticast mode [ 156.066427][ T3609] dummy1: entered promiscuous mode [ 156.458007][ T11] dummy1: left allmulticast mode [ 156.458218][ T11] dummy1: left promiscuous mode [ 156.458485][ T11] test-br0: port 1(dummy1) entered disabled state [ 157.507603][ T3655] netdevsim netdevsim10 eni10np1: renamed from eth0 [ 157.509086][ T3656] netdevsim netdevsim20 eni20np1: renamed from eth1 [ 157.992610][ T3669] test-bond0: (slave eni10np1): Enslaving as a backup interface with an up link [ 158.063404][ T3672] test-bond0: (slave eni20np1): Enslaving as a backup interface with an up link [ 158.221157][ T3685] test-br0: port 1(test-bond0) entered blocking state [ 158.221407][ T3685] test-br0: port 1(test-bond0) entered disabled state [ 158.221630][ T3685] test-bond0: entered allmulticast mode [ 158.221798][ T3685] netdevsim netdevsim10 eni10np1: entered allmulticast mode [ 158.222087][ T3685] netdevsim netdevsim20 eni20np1: entered allmulticast mode [ 158.223612][ T3685] test-bond0: entered promiscuous mode [ 158.223855][ T3685] netdevsim netdevsim10 eni10np1: entered promiscuous mode [ 158.224252][ T3685] netdevsim netdevsim20 eni20np1: entered promiscuous mode [ 158.287072][ T3687] test-bond0: left allmulticast mode [ 158.287251][ T3687] netdevsim netdevsim10 eni10np1: left allmulticast mode [ 158.287448][ T3687] netdevsim netdevsim20 eni20np1: left allmulticast mode [ 158.287620][ T3687] test-bond0: left promiscuous mode [ 158.287913][ T3687] netdevsim netdevsim10 eni10np1: left promiscuous mode [ 158.288214][ T3687] netdevsim netdevsim20 eni20np1: left promiscuous mode [ 158.288629][ T3687] test-br0: port 1(test-bond0) entered disabled state [ 158.392572][ T3688] test-bond0 (unregistering): (slave eni10np1): Releasing backup interface [ 158.412529][ T3688] test-bond0 (unregistering): (slave eni20np1): Releasing backup interface [ 158.431812][ T3688] test-bond0 (unregistering): Released all slaves [ 161.179038][ T3767] bond123: (slave test-dummy0): Enslaving as an active interface with an up link [ 161.258454][ T11] bond123 (unregistering): (slave test-dummy0): Releasing backup interface [ 161.264162][ T11] bond123 (unregistering): Released all slaves