[ 11.362177][ T267] ip (267) used greatest stack depth: 23816 bytes left [ 12.668801][ T284] veth0: renamed from veth1 [ 13.590530][ T301] br0: port 1(swp1) entered blocking state [ 13.590938][ T301] br0: port 1(swp1) entered disabled state [ 13.591753][ T301] swp1: entered allmulticast mode [ 13.593035][ T301] swp1: entered promiscuous mode [ 13.593632][ T301] [ 13.593725][ T301] ============================================ [ 13.593923][ T301] WARNING: possible recursive locking detected [ 13.594124][ T301] 6.13.0-rc5-virtme #1 Not tainted [ 13.594287][ T301] -------------------------------------------- [ 13.594482][ T301] ip/301 is trying to acquire lock: [ 13.594642][ T301] ffffffffaabf6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 13.594971][ T301] [ 13.594971][ T301] but task is already holding lock: [ 13.595208][ T301] ffffffffaabf6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 13.595530][ T301] [ 13.595530][ T301] other info that might help us debug this: [ 13.595764][ T301] Possible unsafe locking scenario: [ 13.595764][ T301] [ 13.596003][ T301] CPU0 [ 13.596125][ T301] ---- [ 13.596244][ T301] lock((netdev_chain).rwsem); [ 13.596404][ T301] lock((netdev_chain).rwsem); [ 13.596564][ T301] [ 13.596564][ T301] *** DEADLOCK *** [ 13.596564][ T301] [ 13.596801][ T301] May be due to missing lock nesting notation [ 13.596801][ T301] [ 13.597034][ T301] 2 locks held by ip/301: [ 13.597154][ T301] #0: ffffffffaac07e88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x653/0xa70 [ 13.597444][ T301] #1: ffffffffaabf6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 13.597779][ T301] [ 13.597779][ T301] stack backtrace: [ 13.597977][ T301] CPU: 3 UID: 0 PID: 301 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 13.598218][ T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.598422][ T301] Call Trace: [ 13.598546][ T301] [ 13.598633][ T301] dump_stack_lvl+0x82/0xd0 [ 13.598800][ T301] print_deadlock_bug+0x40a/0x650 [ 13.598965][ T301] validate_chain+0x5bf/0xae0 [ 13.599127][ T301] ? __pfx_validate_chain+0x10/0x10 [ 13.599289][ T301] ? hlock_class+0x4e/0x130 [ 13.599451][ T301] ? mark_lock+0x38/0x3e0 [ 13.599576][ T301] __lock_acquire+0xb9a/0x1680 [ 13.599738][ T301] lock_acquire.part.0+0xeb/0x330 [ 13.599898][ T301] ? blocking_notifier_call_chain+0x50/0x90 [ 13.600100][ T301] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.600262][ T301] ? trace_lock_acquire+0x14c/0x1f0 [ 13.600424][ T301] ? lock_acquire+0x32/0xc0 [ 13.600584][ T301] ? blocking_notifier_call_chain+0x50/0x90 [ 13.600786][ T301] down_read+0x9f/0x340 [ 13.600910][ T301] ? blocking_notifier_call_chain+0x50/0x90 [ 13.601110][ T301] ? __pfx_down_read+0x10/0x10 [ 13.601273][ T301] blocking_notifier_call_chain+0x50/0x90 [ 13.601439][ T301] netdev_update_features+0xb0/0xc0 [ 13.601598][ T301] ? __pfx_netdev_update_features+0x10/0x10 [ 13.601798][ T301] vlan_device_event+0x1153/0x2130 [ 13.601971][ T301] ? __pfx_vlan_device_event+0x10/0x10 [ 13.602130][ T301] ? __pfx_br_device_event+0x10/0x10 [ 13.602294][ T301] ? packet_notifier+0x3b0/0x810 [ 13.602453][ T301] notifier_call_chain+0xcd/0x150 [ 13.602621][ T301] blocking_notifier_call_chain+0x66/0x90 [ 13.602781][ T301] netdev_update_features+0xb0/0xc0 [ 13.602941][ T301] ? __pfx_netdev_update_features+0x10/0x10 [ 13.603143][ T301] br_add_if+0x6c5/0x1330 [ 13.603268][ T301] ? rtnl_is_locked+0x15/0x20 [ 13.603426][ T301] ? netdev_master_upper_dev_get+0x13/0x120 [ 13.603626][ T301] do_setlink.constprop.0+0x80e/0x2300 [ 13.603791][ T301] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 13.603990][ T301] ? lock_acquire.part.0+0xeb/0x330 [ 13.604148][ T301] ? rtnl_newlink+0x653/0xa70 [ 13.604306][ T301] ? rtnl_newlink+0xb9/0xa70 [ 13.604466][ T301] ? rtnetlink_rcv_msg+0x712/0xc10 [ 13.604628][ T301] ? __mutex_trylock_common+0xfa/0x260 [ 13.604793][ T301] ? __pfx___mutex_trylock_common+0x10/0x10 [ 13.604989][ T301] ? lock_acquire+0x32/0xc0 [ 13.605152][ T301] ? trace_contention_end+0xef/0x150 [ 13.605314][ T301] ? __mutex_lock+0x190/0xbc0 [ 13.605477][ T301] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 13.605637][ T301] ? rtnl_newlink+0x653/0xa70 [ 13.605798][ T301] ? __pfx___mutex_lock+0x10/0x10 [ 13.605960][ T301] ? __rtnl_newlink+0x3f2/0xa80 [ 13.606123][ T301] rtnl_newlink+0x69c/0xa70 [ 13.606283][ T301] ? __pfx_rtnl_newlink+0x10/0x10 [ 13.606444][ T301] ? find_held_lock+0x2c/0x110 [ 13.606603][ T301] ? __pfx___lock_release+0x10/0x10 [ 13.606760][ T301] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.606923][ T301] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 13.607083][ T301] ? __pfx_rtnl_newlink+0x10/0x10 [ 13.607246][ T301] rtnetlink_rcv_msg+0x712/0xc10 [ 13.607404][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.607569][ T301] ? hlock_class+0x4e/0x130 [ 13.607729][ T301] ? mark_lock+0x38/0x3e0 [ 13.607856][ T301] ? __lock_acquire+0xb9a/0x1680 [ 13.608014][ T301] netlink_rcv_skb+0x130/0x360 [ 13.608176][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 13.608337][ T301] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 13.608517][ T301] ? netlink_deliver_tap+0x13e/0x340 [ 13.608678][ T301] ? netlink_deliver_tap+0xc3/0x340 [ 13.608839][ T301] netlink_unicast+0x44b/0x710 [ 13.609004][ T301] ? __pfx_netlink_unicast+0x10/0x10 [ 13.609164][ T301] ? find_held_lock+0x2c/0x110 [ 13.609324][ T301] netlink_sendmsg+0x723/0xbe0 [ 13.609484][ T301] ? __pfx_netlink_sendmsg+0x10/0x10 [ 13.609654][ T301] ____sys_sendmsg+0x7ac/0xa10 [ 13.609814][ T301] ? __pfx_____sys_sendmsg+0x10/0x10 [ 13.609974][ T301] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 13.610177][ T301] ___sys_sendmsg+0xee/0x170 [ 13.610336][ T301] ? __pfx____sys_sendmsg+0x10/0x10 [ 13.610497][ T301] ? kasan_save_stack+0x34/0x50 [ 13.610659][ T301] ? kasan_save_stack+0x24/0x50 [ 13.610819][ T301] ? __kasan_record_aux_stack+0x8e/0xa0 [ 13.610982][ T301] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 13.611183][ T301] ? __x64_sys_close+0x7c/0xd0 [ 13.611345][ T301] ? do_syscall_64+0xc1/0x1d0 [ 13.611506][ T301] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.611710][ T301] ? __lock_acquire+0xb9a/0x1680 [ 13.611871][ T301] ? find_held_lock+0x2c/0x110 [ 13.612039][ T301] ? __lock_release+0x103/0x460 [ 13.612200][ T301] ? __virt_addr_valid+0x22b/0x430 [ 13.612363][ T301] ? __pfx___lock_release+0x10/0x10 [ 13.612523][ T301] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 13.612685][ T301] __sys_sendmsg+0x109/0x1a0 [ 13.612844][ T301] ? __pfx___sys_sendmsg+0x10/0x10 [ 13.613005][ T301] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 13.613213][ T301] do_syscall_64+0xc1/0x1d0 [ 13.613371][ T301] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 13.613568][ T301] RIP: 0033:0x7fafe95ef9a7 [ 13.613734][ T301] 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 [ 13.614296][ T301] RSP: 002b:00007ffe70146cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.614533][ T301] RAX: ffffffffffffffda RBX: 00007ffe70147400 RCX: 00007fafe95ef9a7 [ 13.614770][ T301] RDX: 0000000000000000 RSI: 00007ffe70146d30 RDI: 0000000000000005 [ 13.615005][ T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 13.615246][ T301] R10: 0000000002c1c910 R11: 0000000000000246 R12: 0000000000000004 [ 13.615486][ T301] R13: 0000000067793c25 R14: 0000000000498600 R15: 0000000000000000 [ 13.615729][ T301] [ 13.616639][ T301] br0: port 1(swp1) entered blocking state [ 13.616830][ T301] br0: port 1(swp1) entered forwarding state [ 13.829370][ T303] br0: port 2(vx0) entered blocking state [ 13.829640][ T303] br0: port 2(vx0) entered disabled state [ 13.829810][ T303] vx0: entered allmulticast mode [ 13.830765][ T303] vx0: entered promiscuous mode [ 13.831259][ T303] br0: port 2(vx0) entered blocking state [ 13.831417][ T303] br0: port 2(vx0) entered forwarding state [ 14.662011][ T318] br0: port 1(swp1) entered blocking state [ 14.662258][ T318] br0: port 1(swp1) entered disabled state [ 14.662475][ T318] swp1: entered allmulticast mode [ 14.663411][ T318] swp1: entered promiscuous mode [ 14.664389][ T318] br0: port 1(swp1) entered blocking state [ 14.664579][ T318] br0: port 1(swp1) entered forwarding state [ 14.783698][ T320] br0: port 2(vx0) entered blocking state [ 14.783949][ T320] br0: port 2(vx0) entered disabled state [ 14.784114][ T320] vx0: entered allmulticast mode [ 14.785078][ T320] vx0: entered promiscuous mode [ 14.785566][ T320] br0: port 2(vx0) entered blocking state [ 14.785718][ T320] br0: port 2(vx0) entered forwarding state [ 20.344390][ T332] GACT probability NOT on [ 21.292766][ T138] br0: port 1(swp1) entered disabled state [ 22.077311][ T40] br0: port 1(swp1) entered blocking state [ 22.077627][ T40] br0: port 1(swp1) entered forwarding state [ 22.939761][ T138] br0: port 1(swp1) entered disabled state [ 23.731259][ T304] br0: port 1(swp1) entered blocking state [ 23.731490][ T304] br0: port 1(swp1) entered forwarding state [ 25.199803][ T138] br0: port 1(swp1) entered disabled state [ 26.054557][ T11] vx0: left allmulticast mode [ 26.054741][ T11] vx0: left promiscuous mode [ 26.055005][ T11] br0: port 2(vx0) entered disabled state [ 26.055792][ T11] swp1: left allmulticast mode [ 26.055940][ T11] swp1: left promiscuous mode [ 26.056182][ T11] br0: port 1(swp1) entered disabled state [ 26.302144][ T11] vx0: left allmulticast mode [ 26.302400][ T11] vx0: left promiscuous mode [ 26.302691][ T11] br0: port 2(vx0) entered disabled state [ 26.303442][ T11] swp1: left allmulticast mode [ 26.303625][ T11] swp1: left promiscuous mode [ 26.303893][ T11] br0: port 1(swp1) entered disabled state [ 28.220360][ T488] veth0: renamed from veth1 [ 28.828342][ T504] br0: port 1(swp1) entered blocking state [ 28.828546][ T504] br0: port 1(swp1) entered disabled state [ 28.828734][ T504] swp1: entered allmulticast mode [ 28.829676][ T504] swp1: entered promiscuous mode [ 28.830631][ T504] br0: port 1(swp1) entered blocking state [ 28.830807][ T504] br0: port 1(swp1) entered forwarding state [ 28.946189][ T506] br0: port 2(vx0) entered blocking state [ 28.946440][ T506] br0: port 2(vx0) entered disabled state [ 28.946602][ T506] vx0: entered allmulticast mode [ 28.947517][ T506] vx0: entered promiscuous mode [ 28.947894][ T506] br0: port 2(vx0) entered blocking state [ 28.948038][ T506] br0: port 2(vx0) entered forwarding state [ 29.786129][ T519] br0: port 1(swp1) entered blocking state [ 29.786354][ T519] br0: port 1(swp1) entered disabled state [ 29.786550][ T519] swp1: entered allmulticast mode [ 29.787433][ T519] swp1: entered promiscuous mode [ 29.788385][ T519] br0: port 1(swp1) entered blocking state [ 29.788565][ T519] br0: port 1(swp1) entered forwarding state [ 29.913975][ T521] br0: port 2(vx0) entered blocking state [ 29.914216][ T521] br0: port 2(vx0) entered disabled state [ 29.914383][ T521] vx0: entered allmulticast mode [ 29.915264][ T521] vx0: entered promiscuous mode [ 29.915625][ T521] br0: port 2(vx0) entered blocking state [ 29.915764][ T521] br0: port 2(vx0) entered forwarding state [ 37.006327][ T304] br0: port 1(swp1) entered disabled state [ 38.319070][ T278] br0: port 1(swp1) entered blocking state [ 38.319506][ T278] br0: port 1(swp1) entered forwarding state [ 39.342846][ T138] br0: port 1(swp1) entered disabled state [ 40.614826][ T304] br0: port 1(swp1) entered blocking state [ 40.615063][ T304] br0: port 1(swp1) entered forwarding state [ 43.056660][ T138] br0: port 1(swp1) entered disabled state [ 44.427932][ T11] vx0: left allmulticast mode [ 44.428099][ T11] vx0: left promiscuous mode [ 44.428362][ T11] br0: port 2(vx0) entered disabled state [ 44.429705][ T11] swp1: left allmulticast mode [ 44.429847][ T11] swp1: left promiscuous mode [ 44.430079][ T11] br0: port 1(swp1) entered disabled state [ 44.686019][ T11] vx0: left allmulticast mode [ 44.686236][ T11] vx0: left promiscuous mode [ 44.686504][ T11] br0: port 2(vx0) entered disabled state [ 44.687307][ T11] swp1: left allmulticast mode [ 44.687456][ T11] swp1: left promiscuous mode [ 44.687698][ T11] br0: port 1(swp1) entered disabled state [ 46.522383][ T745] veth0: renamed from veth1 [ 47.131720][ T762] br0: port 1(swp1) entered blocking state [ 47.131998][ T762] br0: port 1(swp1) entered disabled state [ 47.132598][ T762] swp1: entered allmulticast mode [ 47.133558][ T762] swp1: entered promiscuous mode [ 47.134549][ T762] br0: port 1(swp1) entered blocking state [ 47.134760][ T762] br0: port 1(swp1) entered forwarding state [ 47.251092][ T764] br0: port 2(vx0) entered blocking state [ 47.252090][ T764] br0: port 2(vx0) entered disabled state [ 47.252415][ T764] vx0: entered allmulticast mode [ 47.253342][ T764] vx0: entered promiscuous mode [ 47.253707][ T764] br0: port 2(vx0) entered blocking state [ 47.253843][ T764] br0: port 2(vx0) entered forwarding state [ 48.003436][ T777] br0: port 1(swp1) entered blocking state [ 48.003682][ T777] br0: port 1(swp1) entered disabled state [ 48.003888][ T777] swp1: entered allmulticast mode [ 48.005021][ T777] swp1: entered promiscuous mode [ 48.005966][ T777] br0: port 1(swp1) entered blocking state [ 48.006162][ T777] br0: port 1(swp1) entered forwarding state [ 48.125595][ T779] br0: port 2(vx0) entered blocking state [ 48.125854][ T779] br0: port 2(vx0) entered disabled state [ 48.126021][ T779] vx0: entered allmulticast mode [ 48.126970][ T779] vx0: entered promiscuous mode [ 48.127451][ T779] br0: port 2(vx0) entered blocking state [ 48.127604][ T779] br0: port 2(vx0) entered forwarding state [ 54.713834][ T278] br0: port 1(swp1) entered disabled state [ 60.297167][ T11] vx0: left allmulticast mode [ 60.297378][ T11] vx0: left promiscuous mode [ 60.297657][ T11] br0: port 2(vx0) entered disabled state [ 60.298562][ T11] swp1: left allmulticast mode [ 60.298720][ T11] swp1: left promiscuous mode [ 60.298961][ T11] br0: port 1(swp1) entered disabled state [ 60.538801][ T11] vx0: left allmulticast mode [ 60.539102][ T11] vx0: left promiscuous mode [ 60.539395][ T11] br0: port 2(vx0) entered disabled state [ 60.540121][ T11] swp1: left allmulticast mode [ 60.540311][ T11] swp1: left promiscuous mode [ 60.540576][ T11] br0: port 1(swp1) entered disabled state [ 62.204077][ T979] veth0: renamed from veth1 [ 62.809930][ T995] br0: port 1(swp1) entered blocking state [ 62.810209][ T995] br0: port 1(swp1) entered disabled state [ 62.810433][ T995] swp1: entered allmulticast mode [ 62.811389][ T995] swp1: entered promiscuous mode [ 62.812388][ T995] br0: port 1(swp1) entered blocking state [ 62.812601][ T995] br0: port 1(swp1) entered forwarding state [ 62.926016][ T997] br0: port 2(vx0) entered blocking state [ 62.926264][ T997] br0: port 2(vx0) entered disabled state [ 62.926421][ T997] vx0: entered allmulticast mode [ 62.927354][ T997] vx0: entered promiscuous mode [ 62.927815][ T997] br0: port 2(vx0) entered blocking state [ 62.927957][ T997] br0: port 2(vx0) entered forwarding state [ 63.813536][ T1010] br0: port 1(swp1) entered blocking state [ 63.813866][ T1010] br0: port 1(swp1) entered disabled state [ 63.814091][ T1010] swp1: entered allmulticast mode [ 63.815285][ T1010] swp1: entered promiscuous mode [ 63.816499][ T1010] br0: port 1(swp1) entered blocking state [ 63.816710][ T1010] br0: port 1(swp1) entered forwarding state [ 64.011046][ T1012] br0: port 2(vx0) entered blocking state [ 64.011338][ T1012] br0: port 2(vx0) entered disabled state [ 64.011594][ T1012] vx0: entered allmulticast mode [ 64.012810][ T1012] vx0: entered promiscuous mode [ 64.013265][ T1012] br0: port 2(vx0) entered blocking state [ 64.013433][ T1012] br0: port 2(vx0) entered forwarding state [ 70.239070][ T278] br0: port 1(swp1) entered disabled state [ 71.248321][ T304] br0: port 1(swp1) entered disabled state [ 77.733071][ T11] vx0: left allmulticast mode [ 77.733313][ T11] vx0: left promiscuous mode [ 77.733600][ T11] br0: port 2(vx0) entered disabled state [ 77.735464][ T11] swp1: left allmulticast mode [ 77.735628][ T11] swp1: left promiscuous mode [ 77.735872][ T11] br0: port 1(swp1) entered disabled state [ 77.981298][ T11] vx0: left allmulticast mode [ 77.981490][ T11] vx0: left promiscuous mode [ 77.981763][ T11] br0: port 2(vx0) entered disabled state [ 77.982580][ T11] swp1: left allmulticast mode [ 77.982742][ T11] swp1: left promiscuous mode [ 77.982995][ T11] br0: port 1(swp1) entered disabled state [ 79.597983][ T1137] veth0: renamed from veth1 [ 80.203617][ T1153] br0: port 1(swp1) entered blocking state [ 80.203835][ T1153] br0: port 1(swp1) entered disabled state [ 80.204037][ T1153] swp1: entered allmulticast mode [ 80.204956][ T1153] swp1: entered promiscuous mode [ 80.206317][ T1153] br0: port 1(swp1) entered blocking state [ 80.206497][ T1153] br0: port 1(swp1) entered forwarding state [ 80.327377][ T1155] br0: port 2(vx0) entered blocking state [ 80.327608][ T1155] br0: port 2(vx0) entered disabled state [ 80.327763][ T1155] vx0: entered allmulticast mode [ 80.328677][ T1155] vx0: entered promiscuous mode [ 80.329044][ T1155] br0: port 2(vx0) entered blocking state [ 80.329188][ T1155] br0: port 2(vx0) entered forwarding state [ 81.086674][ T1168] br0: port 1(swp1) entered blocking state [ 81.086905][ T1168] br0: port 1(swp1) entered disabled state [ 81.087119][ T1168] swp1: entered allmulticast mode [ 81.094058][ T1168] swp1: entered promiscuous mode [ 81.095067][ T1168] br0: port 1(swp1) entered blocking state [ 81.095277][ T1168] br0: port 1(swp1) entered forwarding state [ 81.210130][ T1170] br0: port 2(vx0) entered blocking state [ 81.210404][ T1170] br0: port 2(vx0) entered disabled state [ 81.210573][ T1170] vx0: entered allmulticast mode [ 81.211510][ T1170] vx0: entered promiscuous mode [ 81.217020][ T1170] br0: port 2(vx0) entered blocking state [ 81.217203][ T1170] br0: port 2(vx0) entered forwarding state [ 86.847403][ T304] br0: port 1(swp1) entered disabled state [ 117.049119][ T11] vx0: left allmulticast mode [ 117.049402][ T11] vx0: left promiscuous mode [ 117.049717][ T11] br0: port 2(vx0) entered disabled state [ 117.050720][ T11] swp1: left allmulticast mode [ 117.050868][ T11] swp1: left promiscuous mode [ 117.051105][ T11] br0: port 1(swp1) entered disabled state [ 117.315607][ T11] vx0: left allmulticast mode [ 117.315769][ T11] vx0: left promiscuous mode [ 117.316042][ T11] br0: port 2(vx0) entered disabled state [ 117.318336][ T11] swp1: left allmulticast mode [ 117.318481][ T11] swp1: left promiscuous mode [ 117.318719][ T11] br0: port 1(swp1) entered disabled state