[ 10.829915][ T248] ip (248) used greatest stack depth: 24400 bytes left [ 14.519904][ T312] gre: GRE over IPv4 demultiplexor driver [ 14.531825][ T312] ip_gre: GRE over IPv4 tunneling driver [ 14.872746][ T318] ip (318) used greatest stack depth: 24360 bytes left [ 15.214991][ T322] GACT probability NOT on [ 15.462792][ T324] ip6_gre: GRE over IPv6 tunneling driver [ 15.620974][ T30] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.659337][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.717125][ T30] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.891984][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.467694][ T30] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.684344][ T339] br1: port 1(veth1) entered blocking state [ 16.685142][ T339] br1: port 1(veth1) entered disabled state [ 16.685551][ T339] veth1: entered allmulticast mode [ 16.687708][ T339] veth1: entered promiscuous mode [ 16.703271][ T339] ip (339) used greatest stack depth: 24192 bytes left [ 16.778630][ T37] br1: port 1(veth1) entered blocking state [ 16.779050][ T37] br1: port 1(veth1) entered forwarding state [ 16.847290][ T341] br1: port 2(veth2) entered blocking state [ 16.847601][ T341] br1: port 2(veth2) entered disabled state [ 16.847870][ T341] veth2: entered allmulticast mode [ 16.864144][ T341] veth2: entered promiscuous mode [ 16.914869][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.915661][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.943445][ T40] br1: port 2(veth2) entered blocking state [ 16.943789][ T40] br1: port 2(veth2) entered forwarding state [ 16.972721][ T30] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.402851][ T54] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 17.699753][ T54] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 20.948296][ C2] ip6_tnl_xmit_ctl: 4 callbacks suppressed [ 20.948304][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 23.939586][ T377] Mirror/redirect action on [ 29.138699][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 45.010751][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 60.926254][ T581] br1: port 1(veth1) entered disabled state [ 61.006109][ T582] br1: port 2(veth2) entered disabled state [ 61.084618][ T583] veth2: left allmulticast mode [ 61.084922][ T583] veth2: left promiscuous mode [ 61.085297][ T583] br1: port 2(veth2) entered disabled state [ 61.087570][ T583] veth1: left allmulticast mode [ 61.087826][ T583] veth1: left promiscuous mode [ 61.088188][ T583] br1: port 1(veth1) entered disabled state [ 61.353336][ T585] [ 61.353591][ T585] ============================================ [ 61.353791][ T585] WARNING: possible recursive locking detected [ 61.353978][ T585] 6.13.0-rc5-virtme #1 Not tainted [ 61.354221][ T585] -------------------------------------------- [ 61.354407][ T585] ip/585 is trying to acquire lock: [ 61.354567][ T585] ffffffffa49d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 61.354873][ T585] [ 61.354873][ T585] but task is already holding lock: [ 61.355108][ T585] ffffffffa49d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 61.355411][ T585] [ 61.355411][ T585] other info that might help us debug this: [ 61.355635][ T585] Possible unsafe locking scenario: [ 61.355635][ T585] [ 61.355861][ T585] CPU0 [ 61.355968][ T585] ---- [ 61.356081][ T585] lock((netdev_chain).rwsem); [ 61.356237][ T585] lock((netdev_chain).rwsem); [ 61.356400][ T585] [ 61.356400][ T585] *** DEADLOCK *** [ 61.356400][ T585] [ 61.356635][ T585] May be due to missing lock nesting notation [ 61.356635][ T585] [ 61.356851][ T585] 2 locks held by ip/585: [ 61.356976][ T585] #0: ffffffffa49e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 61.357253][ T585] #1: ffffffffa49d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 61.357563][ T585] [ 61.357563][ T585] stack backtrace: [ 61.357754][ T585] CPU: 2 UID: 0 PID: 585 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 61.357981][ T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.358175][ T585] Call Trace: [ 61.358294][ T585] [ 61.358372][ T585] dump_stack_lvl+0x82/0xd0 [ 61.358534][ T585] print_deadlock_bug+0x40a/0x650 [ 61.358688][ T585] validate_chain+0x5bf/0xae0 [ 61.358844][ T585] ? __pfx_validate_chain+0x10/0x10 [ 61.358996][ T585] ? hlock_class+0x4e/0x130 [ 61.359147][ T585] ? mark_lock+0x38/0x3e0 [ 61.359266][ T585] __lock_acquire+0xb9a/0x1680 [ 61.359415][ T585] lock_acquire.part.0+0xeb/0x330 [ 61.359560][ T585] ? blocking_notifier_call_chain+0x50/0x90 [ 61.359746][ T585] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 61.359941][ T585] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 61.360088][ T585] ? trace_lock_acquire+0x14c/0x1f0 [ 61.360239][ T585] ? lock_acquire+0x32/0xc0 [ 61.360391][ T585] ? blocking_notifier_call_chain+0x50/0x90 [ 61.360574][ T585] down_read+0x9f/0x340 [ 61.360691][ T585] ? blocking_notifier_call_chain+0x50/0x90 [ 61.360873][ T585] ? __pfx_down_read+0x10/0x10 [ 61.361028][ T585] ? __lock_release+0x103/0x460 [ 61.361181][ T585] ? netconsole_netdev_event+0x2c1/0x620 [ 61.361329][ T585] ? __pfx___lock_release+0x10/0x10 [ 61.361480][ T585] blocking_notifier_call_chain+0x50/0x90 [ 61.361631][ T585] __netdev_upper_dev_unlink+0xd9/0x220 [ 61.361784][ T585] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 61.361975][ T585] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 61.362125][ T585] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 61.362308][ T585] ? rtnl_is_locked+0x15/0x20 [ 61.362467][ T585] netdev_upper_dev_unlink+0x71/0xa0 [ 61.362614][ T585] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 61.362792][ T585] ? netconsole_netdev_event+0x2c1/0x620 [ 61.362938][ T585] ? mutex_is_locked+0x1c/0x60 [ 61.363085][ T585] ? rtnl_is_locked+0x15/0x20 [ 61.363233][ T585] ? netdev_master_upper_dev_get+0x13/0x120 [ 61.363428][ T585] vrf_device_event+0x78/0xe0 [vrf] [ 61.363579][ T585] notifier_call_chain+0xcd/0x150 [ 61.363728][ T585] blocking_notifier_call_chain+0x66/0x90 [ 61.363872][ T585] unregister_netdevice_many_notify+0xa7b/0x1580 [ 61.364071][ T585] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 61.364258][ T585] ? rtnl_dellink+0x228/0xa40 [ 61.364409][ T585] ? sock_def_readable+0x11e/0x300 [ 61.364567][ T585] ? __pfx___mutex_lock+0x10/0x10 [ 61.364714][ T585] ? rtnl_is_locked+0x15/0x20 [ 61.364859][ T585] ? unregister_netdevice_queue+0x70/0x410 [ 61.365040][ T585] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 61.365230][ T585] ? __nla_validate_parse+0x48/0x3d0 [ 61.365387][ T585] rtnl_dellink+0x348/0xa40 [ 61.365536][ T585] ? __pfx_rtnl_dellink+0x10/0x10 [ 61.365695][ T585] ? find_held_lock+0x2c/0x110 [ 61.365844][ T585] ? __lock_release+0x103/0x460 [ 61.365990][ T585] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 61.366135][ T585] ? __pfx___lock_release+0x10/0x10 [ 61.366280][ T585] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 61.366443][ T585] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 61.366590][ T585] ? __pfx_rtnl_dellink+0x10/0x10 [ 61.366736][ T585] rtnetlink_rcv_msg+0x712/0xc10 [ 61.366882][ T585] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 61.367028][ T585] ? hlock_class+0x4e/0x130 [ 61.367172][ T585] ? mark_lock+0x38/0x3e0 [ 61.367305][ T585] ? __lock_acquire+0xb9a/0x1680 [ 61.367456][ T585] netlink_rcv_skb+0x130/0x360 [ 61.367608][ T585] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 61.367754][ T585] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 61.367928][ T585] ? netlink_deliver_tap+0x13e/0x340 [ 61.368082][ T585] ? netlink_deliver_tap+0xc3/0x340 [ 61.368232][ T585] netlink_unicast+0x44b/0x710 [ 61.368387][ T585] ? __pfx_netlink_unicast+0x10/0x10 [ 61.368538][ T585] ? find_held_lock+0x2c/0x110 [ 61.368691][ T585] netlink_sendmsg+0x723/0xbe0 [ 61.368844][ T585] ? __pfx_netlink_sendmsg+0x10/0x10 [ 61.368995][ T585] ____sys_sendmsg+0x7ac/0xa10 [ 61.369145][ T585] ? __pfx_____sys_sendmsg+0x10/0x10 [ 61.369290][ T585] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 61.369474][ T585] ___sys_sendmsg+0xee/0x170 [ 61.369629][ T585] ? __pfx____sys_sendmsg+0x10/0x10 [ 61.369793][ T585] ? kasan_save_stack+0x34/0x50 [ 61.369938][ T585] ? kasan_save_stack+0x24/0x50 [ 61.370083][ T585] ? __kasan_record_aux_stack+0x8e/0xa0 [ 61.370230][ T585] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 61.370410][ T585] ? __x64_sys_close+0x7c/0xd0 [ 61.370553][ T585] ? do_syscall_64+0xc1/0x1d0 [ 61.370698][ T585] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.370885][ T585] ? __lock_acquire+0xb9a/0x1680 [ 61.371032][ T585] ? find_held_lock+0x2c/0x110 [ 61.371177][ T585] ? __lock_release+0x103/0x460 [ 61.371320][ T585] ? __virt_addr_valid+0x22b/0x430 [ 61.371467][ T585] ? __pfx___lock_release+0x10/0x10 [ 61.371612][ T585] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 61.371756][ T585] __sys_sendmsg+0x109/0x1a0 [ 61.371905][ T585] ? __pfx___sys_sendmsg+0x10/0x10 [ 61.372052][ T585] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 61.372237][ T585] do_syscall_64+0xc1/0x1d0 [ 61.372381][ T585] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.372568][ T585] RIP: 0033:0x7f739a0539a7 [ 61.372722][ T585] 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 [ 61.373240][ T585] RSP: 002b:00007ffc1d62a798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.373459][ T585] RAX: ffffffffffffffda RBX: 00007ffc1d62aec0 RCX: 00007f739a0539a7 [ 61.373678][ T585] RDX: 0000000000000000 RSI: 00007ffc1d62a800 RDI: 0000000000000005 [ 61.373901][ T585] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 61.374118][ T585] R10: 00007f7399f11ef8 R11: 0000000000000246 R12: 0000000000000002 [ 61.374336][ T585] R13: 00000000677903b3 R14: 0000000000498600 R15: 0000000000000000 [ 61.374556][ T585] [ 61.403573][ T585] ip (585) used greatest stack depth: 23704 bytes left