[ 38.017748][ T651] veth1: entered promiscuous mode [ 38.191004][ T655] veth1: left promiscuous mode [ 39.960878][ T677] veth1: entered promiscuous mode [ 62.612687][ T759] veth1: entered allmulticast mode [ 68.520097][ T774] veth1: left allmulticast mode [ 82.600101][ T938] veth1: left promiscuous mode [ 85.185025][ T978] br0: port 1(veth1) entered blocking state [ 85.185674][ T978] br0: port 1(veth1) entered disabled state [ 85.185968][ T978] veth1: entered allmulticast mode [ 85.187935][ T978] veth1: entered promiscuous mode [ 85.299384][ T40] br0: port 1(veth1) entered blocking state [ 85.299885][ T40] br0: port 1(veth1) entered forwarding state [ 85.760129][ T985] br0: port 1(veth1) entered disabled state [ 85.762855][ T985] br0: port 1(veth1) entered blocking state [ 85.763166][ T985] br0: port 1(veth1) entered forwarding state [ 86.270576][ T992] br0: entered promiscuous mode [ 108.848922][ T1074] br0: entered allmulticast mode [ 114.805028][ T1089] br0: left allmulticast mode [ 120.013161][ T1157] br0: left promiscuous mode [ 120.304834][ T1162] br0: port 1(veth1) entered disabled state [ 120.756938][ T1167] veth1: left allmulticast mode [ 120.757210][ T1167] veth1: left promiscuous mode [ 120.757587][ T1167] br0: port 1(veth1) entered disabled state [ 122.636216][ T1196] br0: port 1(veth1) entered blocking state [ 122.636614][ T1196] br0: port 1(veth1) entered disabled state [ 122.636935][ T1196] veth1: entered allmulticast mode [ 122.638908][ T1196] veth1: entered promiscuous mode [ 122.640840][ T1196] br0: port 1(veth1) entered blocking state [ 122.641196][ T1196] br0: port 1(veth1) entered forwarding state [ 123.190044][ T1203] br0: port 1(veth1) entered disabled state [ 123.192095][ T1203] br0: port 1(veth1) entered blocking state [ 123.192524][ T1203] br0: port 1(veth1) entered forwarding state [ 123.716082][ T1210] br0: entered promiscuous mode [ 146.474728][ T1293] br0: entered allmulticast mode [ 152.469493][ T1308] br0: left allmulticast mode [ 157.769620][ T1376] br0: left promiscuous mode [ 158.031859][ T1381] br0: port 1(veth1) entered disabled state [ 158.470090][ T1386] veth1: left allmulticast mode [ 158.471513][ T1386] veth1: left promiscuous mode [ 158.471850][ T1386] br0: port 1(veth1) entered disabled state [ 159.725532][ T1412] veth1: entered promiscuous mode [ 159.911033][ T1416] veth1: left promiscuous mode [ 160.603177][ T1425] 8021q: 802.1Q VLAN Support v1.8 [ 162.135454][ T1447] veth1: entered promiscuous mode [ 175.347799][ T1487] veth1.100: entered promiscuous mode [ 181.301004][ T1502] veth1.100: left promiscuous mode [ 184.623948][ T1529] veth1.100: entered allmulticast mode [ 184.624167][ T1529] veth1: entered allmulticast mode [ 190.632880][ T1544] veth1.100: left allmulticast mode [ 190.633117][ T1544] veth1: left allmulticast mode [ 204.763706][ T1708] veth1: left promiscuous mode [ 204.894073][ T1709] [ 204.894207][ T1709] ============================================ [ 204.894393][ T1709] WARNING: possible recursive locking detected [ 204.894575][ T1709] 6.13.0-rc5-virtme #1 Not tainted [ 204.894722][ T1709] -------------------------------------------- [ 204.894904][ T1709] ip/1709 is trying to acquire lock: [ 204.895044][ T1709] ffffffffaa7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 204.895350][ T1709] [ 204.895350][ T1709] but task is already holding lock: [ 204.895571][ T1709] ffffffffaa7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 204.895867][ T1709] [ 204.895867][ T1709] other info that might help us debug this: [ 204.896082][ T1709] Possible unsafe locking scenario: [ 204.896082][ T1709] [ 204.896299][ T1709] CPU0 [ 204.896410][ T1709] ---- [ 204.896518][ T1709] lock((netdev_chain).rwsem); [ 204.896663][ T1709] lock((netdev_chain).rwsem); [ 204.896806][ T1709] [ 204.896806][ T1709] *** DEADLOCK *** [ 204.896806][ T1709] [ 204.897028][ T1709] May be due to missing lock nesting notation [ 204.897028][ T1709] [ 204.897241][ T1709] 2 locks held by ip/1709: [ 204.897383][ T1709] #0: ffffffffaa7e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 204.897651][ T1709] #1: ffffffffaa7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 204.897946][ T1709] [ 204.897946][ T1709] stack backtrace: [ 204.898125][ T1709] CPU: 2 UID: 0 PID: 1709 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 204.898344][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 204.898527][ T1709] Call Trace: [ 204.898635][ T1709] [ 204.898711][ T1709] dump_stack_lvl+0x82/0xd0 [ 204.898862][ T1709] print_deadlock_bug+0x40a/0x650 [ 204.899010][ T1709] validate_chain+0x5bf/0xae0 [ 204.899162][ T1709] ? __pfx_validate_chain+0x10/0x10 [ 204.899308][ T1709] ? hlock_class+0x4e/0x130 [ 204.899453][ T1709] ? mark_lock+0x38/0x3e0 [ 204.899566][ T1709] __lock_acquire+0xb9a/0x1680 [ 204.899712][ T1709] lock_acquire.part.0+0xeb/0x330 [ 204.899858][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 204.900043][ T1709] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 204.900231][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 204.900376][ T1709] ? trace_lock_acquire+0x14c/0x1f0 [ 204.900521][ T1709] ? lock_acquire+0x32/0xc0 [ 204.900665][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 204.900847][ T1709] down_read+0x9f/0x340 [ 204.900958][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 204.901140][ T1709] ? __pfx_down_read+0x10/0x10 [ 204.901288][ T1709] ? __lock_release+0x103/0x460 [ 204.901431][ T1709] ? netconsole_netdev_event+0x2c1/0x620 [ 204.901575][ T1709] ? __pfx___lock_release+0x10/0x10 [ 204.901723][ T1709] blocking_notifier_call_chain+0x50/0x90 [ 204.901869][ T1709] __netdev_upper_dev_unlink+0xd9/0x220 [ 204.902026][ T1709] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 204.902204][ T1709] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 204.902354][ T1709] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 204.902533][ T1709] ? rtnl_is_locked+0x15/0x20 [ 204.902680][ T1709] netdev_upper_dev_unlink+0x71/0xa0 [ 204.902824][ T1709] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 204.903005][ T1709] ? netconsole_netdev_event+0x2c1/0x620 [ 204.903172][ T1709] ? mutex_is_locked+0x1c/0x60 [ 204.903320][ T1709] ? rtnl_is_locked+0x15/0x20 [ 204.903467][ T1709] ? netdev_master_upper_dev_get+0x13/0x120 [ 204.903646][ T1709] vrf_device_event+0x78/0xe0 [vrf] [ 204.903794][ T1709] notifier_call_chain+0xcd/0x150 [ 204.903940][ T1709] blocking_notifier_call_chain+0x66/0x90 [ 204.904085][ T1709] unregister_netdevice_many_notify+0xa7b/0x1580 [ 204.904268][ T1709] ? __lock_release+0x103/0x460 [ 204.904411][ T1709] ? __pfx___lock_release+0x10/0x10 [ 204.904559][ T1709] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 204.904740][ T1709] ? hlock_class+0x4e/0x130 [ 204.904886][ T1709] ? mark_held_locks+0x9e/0xe0 [ 204.905035][ T1709] ? __pfx_vlan_info_rcu_free+0x10/0x10 [ 204.905182][ T1709] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 204.905363][ T1709] rtnl_dellink+0x348/0xa40 [ 204.905514][ T1709] ? __pfx_rtnl_dellink+0x10/0x10 [ 204.905674][ T1709] ? find_held_lock+0x2c/0x110 [ 204.905824][ T1709] ? __lock_release+0x103/0x460 [ 204.905968][ T1709] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 204.906112][ T1709] ? __pfx___lock_release+0x10/0x10 [ 204.906255][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 204.906401][ T1709] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 204.906549][ T1709] ? __pfx_rtnl_dellink+0x10/0x10 [ 204.906697][ T1709] rtnetlink_rcv_msg+0x712/0xc10 [ 204.906841][ T1709] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 204.906984][ T1709] ? hlock_class+0x4e/0x130 [ 204.907127][ T1709] ? mark_lock+0x38/0x3e0 [ 204.907237][ T1709] ? __lock_acquire+0xb9a/0x1680 [ 204.907382][ T1709] netlink_rcv_skb+0x130/0x360 [ 204.907527][ T1709] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 204.907676][ T1709] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 204.907825][ T1709] ? netlink_deliver_tap+0x13e/0x340 [ 204.907971][ T1709] ? netlink_deliver_tap+0xc3/0x340 [ 204.908117][ T1709] netlink_unicast+0x44b/0x710 [ 204.908260][ T1709] ? __pfx_netlink_unicast+0x10/0x10 [ 204.908406][ T1709] ? find_held_lock+0x2c/0x110 [ 204.908552][ T1709] netlink_sendmsg+0x723/0xbe0 [ 204.908703][ T1709] ? __pfx_netlink_sendmsg+0x10/0x10 [ 204.908848][ T1709] ____sys_sendmsg+0x7ac/0xa10 [ 204.908994][ T1709] ? __pfx_____sys_sendmsg+0x10/0x10 [ 204.909141][ T1709] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 204.909326][ T1709] ___sys_sendmsg+0xee/0x170 [ 204.909476][ T1709] ? __pfx____sys_sendmsg+0x10/0x10 [ 204.909621][ T1709] ? kasan_save_stack+0x34/0x50 [ 204.909772][ T1709] ? kasan_save_stack+0x24/0x50 [ 204.909915][ T1709] ? __kasan_record_aux_stack+0x8e/0xa0 [ 204.910067][ T1709] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 204.910254][ T1709] ? __x64_sys_close+0x7c/0xd0 [ 204.910401][ T1709] ? do_syscall_64+0xc1/0x1d0 [ 204.910546][ T1709] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 204.910727][ T1709] ? __lock_acquire+0xb9a/0x1680 [ 204.910892][ T1709] ? find_held_lock+0x2c/0x110 [ 204.911040][ T1709] ? __lock_release+0x103/0x460 [ 204.911184][ T1709] ? __virt_addr_valid+0x22b/0x430 [ 204.911339][ T1709] ? __pfx___lock_release+0x10/0x10 [ 204.911489][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 204.911635][ T1709] __sys_sendmsg+0x109/0x1a0 [ 204.911779][ T1709] ? __pfx___sys_sendmsg+0x10/0x10 [ 204.911940][ T1709] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 204.912139][ T1709] do_syscall_64+0xc1/0x1d0 [ 204.912292][ T1709] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 204.912478][ T1709] RIP: 0033:0x7f3782a3d9a7 [ 204.912632][ T1709] 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 [ 204.913148][ T1709] RSP: 002b:00007ffe7e3a3cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 204.913366][ T1709] RAX: ffffffffffffffda RBX: 00007ffe7e3a43f0 RCX: 00007f3782a3d9a7 [ 204.913583][ T1709] RDX: 0000000000000000 RSI: 00007ffe7e3a3d30 RDI: 0000000000000005 [ 204.913805][ T1709] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 204.914024][ T1709] R10: 00007f37828fbef8 R11: 0000000000000246 R12: 0000000000000002 [ 204.914245][ T1709] R13: 0000000067790217 R14: 0000000000498600 R15: 0000000000000000 [ 204.914464][ T1709] [ 206.134511][ T1741] veth1: entered promiscuous mode [ 206.276339][ T1745] veth1: left promiscuous mode [ 207.993243][ T1776] br0: port 1(veth1) entered blocking state [ 207.993518][ T1776] br0: port 1(veth1) entered disabled state [ 207.993735][ T1776] veth1: entered allmulticast mode [ 207.995238][ T1776] veth1: entered promiscuous mode [ 207.996070][ T1776] br0: port 1(veth1) entered blocking state [ 207.996298][ T1776] br0: port 1(veth1) entered forwarding state [ 220.962603][ T1821] veth1.100: entered promiscuous mode [ 226.750898][ T1836] veth1.100: left promiscuous mode [ 229.817954][ T1863] veth1.100: entered allmulticast mode [ 235.587036][ T1878] veth1.100: left allmulticast mode [ 247.864832][ T2043] veth1: left allmulticast mode [ 247.865060][ T2043] veth1: left promiscuous mode [ 247.865362][ T2043] br0: port 1(veth1) entered disabled state [ 249.244106][ T2076] veth1: entered promiscuous mode [ 249.390170][ T2080] veth1: left promiscuous mode [ 251.183016][ T2111] br0: port 1(veth1) entered blocking state [ 251.183266][ T2111] br0: port 1(veth1) entered disabled state [ 251.183524][ T2111] veth1: entered allmulticast mode [ 251.185762][ T2111] veth1: entered promiscuous mode [ 251.186638][ T2111] br0: port 1(veth1) entered blocking state [ 251.186874][ T2111] br0: port 1(veth1) entered forwarding state [ 264.258555][ T2156] veth1.100: entered promiscuous mode [ 270.050261][ T2171] veth1.100: left promiscuous mode [ 273.005174][ T2198] veth1.100: entered allmulticast mode [ 278.680832][ T2213] veth1.100: left allmulticast mode [ 290.886691][ T2378] veth1: left allmulticast mode [ 290.886878][ T2378] veth1: left promiscuous mode [ 290.887139][ T2378] br0: port 1(veth1) entered disabled state [ 292.863761][ T2418] br0: port 1(veth1) entered blocking state [ 292.864036][ T2418] br0: port 1(veth1) entered disabled state [ 292.864288][ T2418] veth1: entered allmulticast mode [ 292.865876][ T2418] veth1: entered promiscuous mode [ 292.920150][ T37] br0: port 1(veth1) entered blocking state [ 292.920561][ T37] br0: port 1(veth1) entered forwarding state [ 293.254260][ T2425] br0: port 1(veth1) entered disabled state [ 293.255390][ T2425] br0: port 1(veth1) entered blocking state [ 293.255614][ T2425] br0: port 1(veth1) entered forwarding state [ 293.841549][ T2436] br0: entered promiscuous mode [ 306.512095][ T2476] br0.100: entered promiscuous mode [ 312.231990][ T2491] br0.100: left promiscuous mode [ 315.280058][ T2518] br0.100: entered allmulticast mode [ 315.280302][ T2518] br0: entered allmulticast mode [ 321.014743][ T2533] br0.100: left allmulticast mode [ 321.014929][ T2533] br0: left allmulticast mode [ 325.412667][ T2601] br0: left promiscuous mode [ 325.594104][ T2605] br0: port 1(veth1) entered disabled state [ 325.952124][ T2610] veth1: left allmulticast mode [ 325.952379][ T2610] veth1: left promiscuous mode [ 325.952672][ T2610] br0: port 1(veth1) entered disabled state [ 327.500966][ T2642] br0: port 1(veth1) entered blocking state [ 327.501238][ T2642] br0: port 1(veth1) entered disabled state [ 327.501482][ T2642] veth1: entered allmulticast mode [ 327.503018][ T2642] veth1: entered promiscuous mode [ 327.503893][ T2642] br0: port 1(veth1) entered blocking state [ 327.504120][ T2642] br0: port 1(veth1) entered forwarding state [ 327.853767][ T2649] br0: port 1(veth1) entered disabled state [ 327.855132][ T2649] br0: port 1(veth1) entered blocking state [ 327.855380][ T2649] br0: port 1(veth1) entered forwarding state [ 328.374264][ T2660] br0: entered promiscuous mode [ 341.222157][ T2702] br0.100: entered promiscuous mode [ 347.032168][ T2717] br0.100: left promiscuous mode [ 350.089144][ T2744] br0.100: entered allmulticast mode [ 350.089345][ T2744] br0: entered allmulticast mode [ 355.814935][ T2759] br0.100: left allmulticast mode [ 355.815117][ T2759] br0: left allmulticast mode [ 360.141620][ T2829] br0: left promiscuous mode [ 360.332327][ T2833] br0: port 1(veth1) entered disabled state [ 360.687075][ T2838] veth1: left allmulticast mode [ 360.687265][ T2838] veth1: left promiscuous mode [ 360.687552][ T2838] br0: port 1(veth1) entered disabled state