[ 122.771952][ T901] gre: GRE over IPv4 demultiplexor driver [ 122.787519][ T901] ip_gre: GRE over IPv4 tunneling driver [ 123.548031][ T911] ip6_gre: GRE over IPv6 tunneling driver [ 123.702716][ T276] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 123.857599][ T276] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 124.716131][ T924] br1: port 1(veth1) entered blocking state [ 124.716937][ T924] br1: port 1(veth1) entered disabled state [ 124.717360][ T924] veth1: entered allmulticast mode [ 124.719978][ T924] veth1: entered promiscuous mode [ 124.803559][ T276] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 124.822379][ T45] br1: port 1(veth1) entered blocking state [ 124.823070][ T45] br1: port 1(veth1) entered forwarding state [ 124.867703][ T66] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 124.918990][ T926] br1: port 2(veth2) entered blocking state [ 124.919291][ T926] br1: port 2(veth2) entered disabled state [ 124.919596][ T926] veth2: entered allmulticast mode [ 124.922166][ T926] veth2: entered promiscuous mode [ 125.012140][ T39] br1: port 2(veth2) entered blocking state [ 125.012505][ T39] br1: port 2(veth2) entered forwarding state [ 125.892282][ T66] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 125.893183][ T66] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 126.260682][ T9] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 127.222620][ T276] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 127.309256][ T276] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 129.731607][ C0] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 137.667634][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 153.539668][ C0] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 171.347603][ T1181] br1: port 1(veth1) entered disabled state [ 171.435115][ T1182] br1: port 2(veth2) entered disabled state [ 171.510332][ T1183] veth2: left allmulticast mode [ 171.510660][ T1183] veth2: left promiscuous mode [ 171.511009][ T1183] br1: port 2(veth2) entered disabled state [ 171.513185][ T1183] veth1: left allmulticast mode [ 171.513648][ T1183] veth1: left promiscuous mode [ 171.513983][ T1183] br1: port 1(veth1) entered disabled state [ 171.703266][ T1184] [ 171.703435][ T1184] ============================================ [ 171.703630][ T1184] WARNING: possible recursive locking detected [ 171.703815][ T1184] 6.13.0-rc5-virtme #1 Not tainted [ 171.703962][ T1184] -------------------------------------------- [ 171.704144][ T1184] ip/1184 is trying to acquire lock: [ 171.704290][ T1184] ffffffffa0fd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 171.704619][ T1184] [ 171.704619][ T1184] but task is already holding lock: [ 171.704862][ T1184] ffffffffa0fd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 171.705171][ T1184] [ 171.705171][ T1184] other info that might help us debug this: [ 171.705393][ T1184] Possible unsafe locking scenario: [ 171.705393][ T1184] [ 171.705608][ T1184] CPU0 [ 171.705724][ T1184] ---- [ 171.705834][ T1184] lock((netdev_chain).rwsem); [ 171.705989][ T1184] lock((netdev_chain).rwsem); [ 171.706135][ T1184] [ 171.706135][ T1184] *** DEADLOCK *** [ 171.706135][ T1184] [ 171.706368][ T1184] May be due to missing lock nesting notation [ 171.706368][ T1184] [ 171.706578][ T1184] 2 locks held by ip/1184: [ 171.706724][ T1184] #0: ffffffffa0fe7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 171.706989][ T1184] #1: ffffffffa0fd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 171.707290][ T1184] [ 171.707290][ T1184] stack backtrace: [ 171.707474][ T1184] CPU: 2 UID: 0 PID: 1184 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 171.707694][ T1184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 171.707875][ T1184] Call Trace: [ 171.707988][ T1184] [ 171.708063][ T1184] dump_stack_lvl+0x82/0xd0 [ 171.708218][ T1184] print_deadlock_bug+0x40a/0x650 [ 171.708373][ T1184] validate_chain+0x5bf/0xae0 [ 171.708523][ T1184] ? __pfx_validate_chain+0x10/0x10 [ 171.708701][ T1184] ? hlock_class+0x4e/0x130 [ 171.708850][ T1184] ? mark_lock+0x38/0x3e0 [ 171.708964][ T1184] __lock_acquire+0xb9a/0x1680 [ 171.709114][ T1184] lock_acquire.part.0+0xeb/0x330 [ 171.709259][ T1184] ? blocking_notifier_call_chain+0x50/0x90 [ 171.709446][ T1184] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 171.709635][ T1184] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 171.709780][ T1184] ? trace_lock_acquire+0x14c/0x1f0 [ 171.709927][ T1184] ? lock_acquire+0x32/0xc0 [ 171.710073][ T1184] ? blocking_notifier_call_chain+0x50/0x90 [ 171.710257][ T1184] down_read+0x9f/0x340 [ 171.710381][ T1184] ? blocking_notifier_call_chain+0x50/0x90 [ 171.710561][ T1184] ? __pfx_down_read+0x10/0x10 [ 171.710714][ T1184] ? __lock_release+0x103/0x460 [ 171.710861][ T1184] ? netconsole_netdev_event+0x2c1/0x620 [ 171.711008][ T1184] ? __pfx___lock_release+0x10/0x10 [ 171.711155][ T1184] blocking_notifier_call_chain+0x50/0x90 [ 171.711304][ T1184] __netdev_upper_dev_unlink+0xd9/0x220 [ 171.711450][ T1184] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 171.711634][ T1184] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 171.711784][ T1184] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 171.711968][ T1184] ? rtnl_is_locked+0x15/0x20 [ 171.712131][ T1184] netdev_upper_dev_unlink+0x71/0xa0 [ 171.712285][ T1184] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 171.712468][ T1184] ? netconsole_netdev_event+0x2c1/0x620 [ 171.712641][ T1184] ? mutex_is_locked+0x1c/0x60 [ 171.712790][ T1184] ? rtnl_is_locked+0x15/0x20 [ 171.712938][ T1184] ? netdev_master_upper_dev_get+0x13/0x120 [ 171.713120][ T1184] vrf_device_event+0x78/0xe0 [vrf] [ 171.713276][ T1184] notifier_call_chain+0xcd/0x150 [ 171.713424][ T1184] blocking_notifier_call_chain+0x66/0x90 [ 171.713570][ T1184] unregister_netdevice_many_notify+0xa7b/0x1580 [ 171.713757][ T1184] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 171.713939][ T1184] ? rtnl_dellink+0x228/0xa40 [ 171.714087][ T1184] ? sock_def_readable+0x11e/0x300 [ 171.714235][ T1184] ? __pfx___mutex_lock+0x10/0x10 [ 171.714386][ T1184] ? rtnl_is_locked+0x15/0x20 [ 171.714528][ T1184] ? unregister_netdevice_queue+0x70/0x410 [ 171.714713][ T1184] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 171.714893][ T1184] ? __nla_validate_parse+0x48/0x3d0 [ 171.715050][ T1184] rtnl_dellink+0x348/0xa40 [ 171.715198][ T1184] ? __pfx_rtnl_dellink+0x10/0x10 [ 171.715360][ T1184] ? find_held_lock+0x2c/0x110 [ 171.715508][ T1184] ? __lock_release+0x103/0x460 [ 171.715652][ T1184] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 171.715823][ T1184] ? __pfx___lock_release+0x10/0x10 [ 171.715970][ T1184] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 171.716136][ T1184] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 171.716284][ T1184] ? __pfx_rtnl_dellink+0x10/0x10 [ 171.716432][ T1184] rtnetlink_rcv_msg+0x712/0xc10 [ 171.716593][ T1184] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 171.716756][ T1184] ? hlock_class+0x4e/0x130 [ 171.716903][ T1184] ? mark_lock+0x38/0x3e0 [ 171.717016][ T1184] ? __lock_acquire+0xb9a/0x1680 [ 171.717162][ T1184] netlink_rcv_skb+0x130/0x360 [ 171.717318][ T1184] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 171.717466][ T1184] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 171.717624][ T1184] ? netlink_deliver_tap+0x13e/0x340 [ 171.717774][ T1184] ? netlink_deliver_tap+0xc3/0x340 [ 171.717925][ T1184] netlink_unicast+0x44b/0x710 [ 171.718073][ T1184] ? __pfx_netlink_unicast+0x10/0x10 [ 171.718218][ T1184] ? find_held_lock+0x2c/0x110 [ 171.718375][ T1184] netlink_sendmsg+0x723/0xbe0 [ 171.718562][ T1184] ? __pfx_netlink_sendmsg+0x10/0x10 [ 171.718715][ T1184] ____sys_sendmsg+0x7ac/0xa10 [ 171.718866][ T1184] ? __pfx_____sys_sendmsg+0x10/0x10 [ 171.719013][ T1184] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 171.719212][ T1184] ___sys_sendmsg+0xee/0x170 [ 171.719365][ T1184] ? __pfx____sys_sendmsg+0x10/0x10 [ 171.719518][ T1184] ? kasan_save_stack+0x34/0x50 [ 171.719681][ T1184] ? kasan_save_stack+0x24/0x50 [ 171.719827][ T1184] ? __kasan_record_aux_stack+0x8e/0xa0 [ 171.719974][ T1184] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 171.720160][ T1184] ? __x64_sys_close+0x7c/0xd0 [ 171.720318][ T1184] ? do_syscall_64+0xc1/0x1d0 [ 171.720467][ T1184] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 171.720681][ T1184] ? __lock_acquire+0xb9a/0x1680 [ 171.720832][ T1184] ? find_held_lock+0x2c/0x110 [ 171.720989][ T1184] ? __lock_release+0x103/0x460 [ 171.721134][ T1184] ? __virt_addr_valid+0x22b/0x430 [ 171.721282][ T1184] ? __pfx___lock_release+0x10/0x10 [ 171.721428][ T1184] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 171.721577][ T1184] __sys_sendmsg+0x109/0x1a0 [ 171.721734][ T1184] ? __pfx___sys_sendmsg+0x10/0x10 [ 171.721881][ T1184] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 171.722067][ T1184] do_syscall_64+0xc1/0x1d0 [ 171.722247][ T1184] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 171.722430][ T1184] RIP: 0033:0x7f3b8a6199a7 [ 171.722600][ T1184] 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 [ 171.723131][ T1184] RSP: 002b:00007ffd6f797588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 171.723354][ T1184] RAX: ffffffffffffffda RBX: 00007ffd6f797cb0 RCX: 00007f3b8a6199a7 [ 171.723584][ T1184] RDX: 0000000000000000 RSI: 00007ffd6f7975f0 RDI: 0000000000000005 [ 171.723812][ T1184] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 171.724034][ T1184] R10: 00007f3b8a4d7ef8 R11: 0000000000000246 R12: 0000000000000002 [ 171.724263][ T1184] R13: 0000000067790383 R14: 0000000000498600 R15: 0000000000000000 [ 171.724485][ T1184]