[ 275.635299][ T3908] gre: GRE over IPv4 demultiplexor driver
[ 275.652330][ T3908] ip6_gre: GRE over IPv6 tunneling driver
[ 275.789408][ T35] ip6_tunnel: er6 xmit: Local address not yet configured!
[ 276.002053][ T35] ip6_tunnel: gt6 xmit: Local address not yet configured!
[ 276.298007][ T35] ip6_tunnel: er6 xmit: Local address not yet configured!
[ 276.619568][ T35] ip6_tunnel: gt6 xmit: Local address not yet configured!
[ 277.302047][ T3918] Mirror/redirect action on
[ 281.919053][ T3924] ip (3924) used greatest stack depth: 23544 bytes left
[ 282.538439][ T3929]
[ 282.538592][ T3929] ============================================
[ 282.538809][ T3929] WARNING: possible recursive locking detected
[ 282.539009][ T3929] 6.13.0-rc5-virtme #1 Not tainted
[ 282.539180][ T3929] --------------------------------------------
[ 282.539369][ T3929] ip/3929 is trying to acquire lock:
[ 282.539527][ T3929] ffffffff937f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 282.539862][ T3929]
[ 282.539862][ T3929] but task is already holding lock:
[ 282.540096][ T3929] ffffffff937f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 282.540420][ T3929]
[ 282.540420][ T3929] other info that might help us debug this:
[ 282.540652][ T3929] Possible unsafe locking scenario:
[ 282.540652][ T3929]
[ 282.540891][ T3929] CPU0
[ 282.541017][ T3929] ----
[ 282.541134][ T3929] lock((netdev_chain).rwsem);
[ 282.541291][ T3929] lock((netdev_chain).rwsem);
[ 282.541447][ T3929]
[ 282.541447][ T3929] *** DEADLOCK ***
[ 282.541447][ T3929]
[ 282.541679][ T3929] May be due to missing lock nesting notation
[ 282.541679][ T3929]
[ 282.541909][ T3929] 2 locks held by ip/3929:
[ 282.542073][ T3929] #0: ffffffff93807e88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40
[ 282.542372][ T3929] #1: ffffffff937f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 282.542689][ T3929]
[ 282.542689][ T3929] stack backtrace:
[ 282.542896][ T3929] CPU: 2 UID: 0 PID: 3929 Comm: ip Not tainted 6.13.0-rc5-virtme #1
[ 282.543132][ T3929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 282.543327][ T3929] Call Trace:
[ 282.543445][ T3929] <TASK>
[ 282.543527][ T3929] dump_stack_lvl+0x82/0xd0
[ 282.543692][ T3929] print_deadlock_bug+0x40a/0x650
[ 282.543853][ T3929] validate_chain+0x5bf/0xae0
[ 282.544012][ T3929] ? __pfx_validate_chain+0x10/0x10
[ 282.544175][ T3929] ? hlock_class+0x4e/0x130
[ 282.544330][ T3929] ? mark_lock+0x38/0x3e0
[ 282.544451][ T3929] __lock_acquire+0xb9a/0x1680
[ 282.544612][ T3929] lock_acquire.part.0+0xeb/0x330
[ 282.544771][ T3929] ? blocking_notifier_call_chain+0x50/0x90
[ 282.544969][ T3929] ? __lock_acquire+0xb9a/0x1680
[ 282.545125][ T3929] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 282.545285][ T3929] ? trace_lock_acquire+0x14c/0x1f0
[ 282.545439][ T3929] ? lock_acquire+0x32/0xc0
[ 282.545596][ T3929] ? blocking_notifier_call_chain+0x50/0x90
[ 282.545795][ T3929] down_read+0x9f/0x340
[ 282.545912][ T3929] ? blocking_notifier_call_chain+0x50/0x90
[ 282.546107][ T3929] ? __pfx_down_read+0x10/0x10
[ 282.546266][ T3929] ? __lock_release+0x103/0x460
[ 282.546434][ T3929] blocking_notifier_call_chain+0x50/0x90
[ 282.546596][ T3929] __netdev_upper_dev_unlink+0xd9/0x220
[ 282.546754][ T3929] ? mark_held_locks+0x9e/0xe0
[ 282.546910][ T3929] ? __pfx___netdev_upper_dev_unlink+0x10/0x10
[ 282.547117][ T3929] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 282.547311][ T3929] ? __try_to_del_timer_sync+0xe7/0x140
[ 282.547472][ T3929] ? __pfx___try_to_del_timer_sync+0x10/0x10
[ 282.547673][ T3929] ? mark_held_locks+0x9e/0xe0
[ 282.547828][ T3929] netdev_upper_dev_unlink+0x71/0xa0
[ 282.547985][ T3929] ? __pfx_netdev_upper_dev_unlink+0x10/0x10
[ 282.548181][ T3929] ? mutex_is_locked+0x1c/0x60
[ 282.548339][ T3929] ? rtnl_is_locked+0x15/0x20
[ 282.548495][ T3929] ? netdev_master_upper_dev_get+0x13/0x120
[ 282.548693][ T3929] vrf_device_event+0x78/0xe0
[ 282.548864][ T3929] notifier_call_chain+0xcd/0x150
[ 282.549027][ T3929] blocking_notifier_call_chain+0x66/0x90
[ 282.549189][ T3929] unregister_netdevice_many_notify+0xa83/0x1580
[ 282.549391][ T3929] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 282.549589][ T3929] ? rtnl_dellink+0x228/0xa40
[ 282.549748][ T3929] ? sock_def_readable+0x11e/0x300
[ 282.549909][ T3929] ? rtnl_is_locked+0x15/0x20
[ 282.550070][ T3929] ? unregister_netdevice_queue+0x70/0x410
[ 282.550262][ T3929] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 282.550454][ T3929] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 282.550659][ T3929] rtnl_dellink+0x348/0xa40
[ 282.550827][ T3929] ? __pfx_rtnl_dellink+0x10/0x10
[ 282.550997][ T3929] ? find_held_lock+0x2c/0x110
[ 282.551155][ T3929] ? __lock_release+0x103/0x460
[ 282.551320][ T3929] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 282.551480][ T3929] ? __pfx___lock_release+0x10/0x10
[ 282.551635][ T3929] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 282.551795][ T3929] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 282.551958][ T3929] ? __pfx_rtnl_dellink+0x10/0x10
[ 282.552117][ T3929] rtnetlink_rcv_msg+0x712/0xc10
[ 282.552275][ T3929] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 282.552438][ T3929] ? hlock_class+0x4e/0x130
[ 282.552599][ T3929] ? mark_lock+0x38/0x3e0
[ 282.552725][ T3929] ? __lock_acquire+0xb9a/0x1680
[ 282.552884][ T3929] netlink_rcv_skb+0x130/0x360
[ 282.553043][ T3929] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 282.553208][ T3929] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 282.553371][ T3929] ? netlink_deliver_tap+0x13e/0x340
[ 282.553535][ T3929] ? netlink_deliver_tap+0xc3/0x340
[ 282.553693][ T3929] netlink_unicast+0x44b/0x710
[ 282.553854][ T3929] ? __pfx_netlink_unicast+0x10/0x10
[ 282.554012][ T3929] ? find_held_lock+0x2c/0x110
[ 282.554169][ T3929] netlink_sendmsg+0x723/0xbe0
[ 282.554331][ T3929] ? __pfx_netlink_sendmsg+0x10/0x10
[ 282.554498][ T3929] ____sys_sendmsg+0x7ac/0xa10
[ 282.554667][ T3929] ? __pfx_____sys_sendmsg+0x10/0x10
[ 282.554825][ T3929] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 282.555024][ T3929] ___sys_sendmsg+0xee/0x170
[ 282.555187][ T3929] ? __pfx____sys_sendmsg+0x10/0x10
[ 282.555346][ T3929] ? kasan_save_stack+0x34/0x50
[ 282.555507][ T3929] ? kasan_save_stack+0x24/0x50
[ 282.555664][ T3929] ? __kasan_record_aux_stack+0x8e/0xa0
[ 282.555826][ T3929] ? __call_rcu_common.constprop.0+0xa1/0x4b0
[ 282.556021][ T3929] ? __x64_sys_close+0x7c/0xd0
[ 282.556178][ T3929] ? do_syscall_64+0xc1/0x1d0
[ 282.556338][ T3929] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.556539][ T3929] ? __lock_acquire+0xb9a/0x1680
[ 282.556701][ T3929] ? find_held_lock+0x2c/0x110
[ 282.556856][ T3929] ? __lock_release+0x103/0x460
[ 282.557016][ T3929] ? __virt_addr_valid+0x22b/0x430
[ 282.557182][ T3929] ? __pfx___lock_release+0x10/0x10
[ 282.557341][ T3929] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 282.557494][ T3929] __sys_sendmsg+0x109/0x1a0
[ 282.557653][ T3929] ? __pfx___sys_sendmsg+0x10/0x10
[ 282.557809][ T3929] ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 282.558012][ T3929] do_syscall_64+0xc1/0x1d0
[ 282.558168][ T3929] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.558374][ T3929] RIP: 0033:0x7f24bdde59a7
[ 282.558540][ T3929] 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
[ 282.559097][ T3929] RSP: 002b:00007ffd2c0de9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 282.559350][ T3929] RAX: ffffffffffffffda RBX: 00007ffd2c0df0d0 RCX: 00007f24bdde59a7
[ 282.559588][ T3929] RDX: 0000000000000000 RSI: 00007ffd2c0dea10 RDI: 0000000000000005
[ 282.559830][ T3929] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 282.560067][ T3929] R10: 00007f24bdca3ef8 R11: 0000000000000246 R12: 0000000000000002
[ 282.560312][ T3929] R13: 0000000067796023 R14: 0000000000498600 R15: 0000000000000000
[ 282.560554][ T3929] </TASK>