[ 11.871075][ T278] ip (278) used greatest stack depth: 23896 bytes left [ 12.068027][ T284] veth0: renamed from veth1 [ 12.887263][ T301] br0: port 1(swp1) entered blocking state [ 12.887749][ T301] br0: port 1(swp1) entered disabled state [ 12.888031][ T301] swp1: entered allmulticast mode [ 12.889304][ T301] swp1: entered promiscuous mode [ 12.889909][ T301] [ 12.889995][ T301] ============================================ [ 12.890183][ T301] WARNING: possible recursive locking detected [ 12.890378][ T301] 6.13.0-rc5-virtme #1 Not tainted [ 12.890531][ T301] -------------------------------------------- [ 12.890723][ T301] ip/301 is trying to acquire lock: [ 12.890873][ T301] ffffffffa63f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 12.891189][ T301] [ 12.891189][ T301] but task is already holding lock: [ 12.891417][ T301] ffffffffa63f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 12.891746][ T301] [ 12.891746][ T301] other info that might help us debug this: [ 12.891971][ T301] Possible unsafe locking scenario: [ 12.891971][ T301] [ 12.892207][ T301] CPU0 [ 12.892322][ T301] ---- [ 12.892443][ T301] lock((netdev_chain).rwsem); [ 12.892600][ T301] lock((netdev_chain).rwsem); [ 12.892755][ T301] [ 12.892755][ T301] *** DEADLOCK *** [ 12.892755][ T301] [ 12.892998][ T301] May be due to missing lock nesting notation [ 12.892998][ T301] [ 12.893226][ T301] 2 locks held by ip/301: [ 12.893350][ T301] #0: ffffffffa6407e88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x653/0xa70 [ 12.893625][ T301] #1: ffffffffa63f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 12.893940][ T301] [ 12.893940][ T301] stack backtrace: [ 12.894129][ T301] CPU: 2 UID: 0 PID: 301 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 12.894367][ T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.894557][ T301] Call Trace: [ 12.894687][ T301] [ 12.894767][ T301] dump_stack_lvl+0x82/0xd0 [ 12.894925][ T301] print_deadlock_bug+0x40a/0x650 [ 12.895087][ T301] validate_chain+0x5bf/0xae0 [ 12.895243][ T301] ? __pfx_validate_chain+0x10/0x10 [ 12.895407][ T301] ? hlock_class+0x4e/0x130 [ 12.895562][ T301] ? mark_lock+0x38/0x3e0 [ 12.895680][ T301] __lock_acquire+0xb9a/0x1680 [ 12.895837][ T301] lock_acquire.part.0+0xeb/0x330 [ 12.895988][ T301] ? blocking_notifier_call_chain+0x50/0x90 [ 12.896183][ T301] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 12.896336][ T301] ? trace_lock_acquire+0x14c/0x1f0 [ 12.896488][ T301] ? lock_acquire+0x32/0xc0 [ 12.896643][ T301] ? blocking_notifier_call_chain+0x50/0x90 [ 12.896836][ T301] down_read+0x9f/0x340 [ 12.896954][ T301] ? blocking_notifier_call_chain+0x50/0x90 [ 12.897146][ T301] ? __pfx_down_read+0x10/0x10 [ 12.897301][ T301] blocking_notifier_call_chain+0x50/0x90 [ 12.897456][ T301] netdev_update_features+0xb0/0xc0 [ 12.897610][ T301] ? __pfx_netdev_update_features+0x10/0x10 [ 12.897803][ T301] vlan_device_event+0x1153/0x2130 [ 12.897962][ T301] ? __pfx_vlan_device_event+0x10/0x10 [ 12.898120][ T301] ? __pfx_br_device_event+0x10/0x10 [ 12.898296][ T301] ? packet_notifier+0x3b0/0x810 [ 12.898454][ T301] notifier_call_chain+0xcd/0x150 [ 12.898612][ T301] blocking_notifier_call_chain+0x66/0x90 [ 12.898768][ T301] netdev_update_features+0xb0/0xc0 [ 12.898924][ T301] ? __pfx_netdev_update_features+0x10/0x10 [ 12.899118][ T301] br_add_if+0x6c5/0x1330 [ 12.899238][ T301] ? rtnl_is_locked+0x15/0x20 [ 12.899400][ T301] ? netdev_master_upper_dev_get+0x13/0x120 [ 12.899604][ T301] do_setlink.constprop.0+0x80e/0x2300 [ 12.899758][ T301] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 12.899951][ T301] ? lock_acquire.part.0+0xeb/0x330 [ 12.900103][ T301] ? rtnl_newlink+0x653/0xa70 [ 12.900257][ T301] ? rtnl_newlink+0xb9/0xa70 [ 12.900407][ T301] ? rtnetlink_rcv_msg+0x712/0xc10 [ 12.900566][ T301] ? __mutex_trylock_common+0xfa/0x260 [ 12.900720][ T301] ? __pfx___mutex_trylock_common+0x10/0x10 [ 12.900908][ T301] ? lock_acquire+0x32/0xc0 [ 12.901061][ T301] ? trace_contention_end+0xef/0x150 [ 12.901219][ T301] ? __mutex_lock+0x190/0xbc0 [ 12.901370][ T301] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 12.901522][ T301] ? rtnl_newlink+0x653/0xa70 [ 12.901698][ T301] ? __pfx___mutex_lock+0x10/0x10 [ 12.901856][ T301] ? __rtnl_newlink+0x3f2/0xa80 [ 12.902013][ T301] rtnl_newlink+0x69c/0xa70 [ 12.902171][ T301] ? __pfx_rtnl_newlink+0x10/0x10 [ 12.902327][ T301] ? find_held_lock+0x2c/0x110 [ 12.902484][ T301] ? __pfx___lock_release+0x10/0x10 [ 12.902641][ T301] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 12.902808][ T301] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 12.902963][ T301] ? __pfx_rtnl_newlink+0x10/0x10 [ 12.903117][ T301] rtnetlink_rcv_msg+0x712/0xc10 [ 12.903270][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 12.903424][ T301] ? hlock_class+0x4e/0x130 [ 12.903580][ T301] ? mark_lock+0x38/0x3e0 [ 12.903699][ T301] ? __lock_acquire+0xb9a/0x1680 [ 12.903854][ T301] netlink_rcv_skb+0x130/0x360 [ 12.904013][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 12.904168][ T301] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 12.904327][ T301] ? netlink_deliver_tap+0x13e/0x340 [ 12.904482][ T301] ? netlink_deliver_tap+0xc3/0x340 [ 12.904638][ T301] netlink_unicast+0x44b/0x710 [ 12.904793][ T301] ? __pfx_netlink_unicast+0x10/0x10 [ 12.904949][ T301] ? find_held_lock+0x2c/0x110 [ 12.905106][ T301] netlink_sendmsg+0x723/0xbe0 [ 12.905266][ T301] ? __pfx_netlink_sendmsg+0x10/0x10 [ 12.905423][ T301] ____sys_sendmsg+0x7ac/0xa10 [ 12.905579][ T301] ? __pfx_____sys_sendmsg+0x10/0x10 [ 12.905734][ T301] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 12.905927][ T301] ___sys_sendmsg+0xee/0x170 [ 12.906082][ T301] ? __pfx____sys_sendmsg+0x10/0x10 [ 12.906241][ T301] ? kasan_save_stack+0x34/0x50 [ 12.906397][ T301] ? kasan_save_stack+0x24/0x50 [ 12.906548][ T301] ? __kasan_record_aux_stack+0x8e/0xa0 [ 12.906706][ T301] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 12.906899][ T301] ? __x64_sys_close+0x7c/0xd0 [ 12.907055][ T301] ? do_syscall_64+0xc1/0x1d0 [ 12.907210][ T301] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 12.907406][ T301] ? __lock_acquire+0xb9a/0x1680 [ 12.907562][ T301] ? find_held_lock+0x2c/0x110 [ 12.907716][ T301] ? __lock_release+0x103/0x460 [ 12.907869][ T301] ? __virt_addr_valid+0x22b/0x430 [ 12.908027][ T301] ? __pfx___lock_release+0x10/0x10 [ 12.908182][ T301] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 12.908338][ T301] __sys_sendmsg+0x109/0x1a0 [ 12.908495][ T301] ? __pfx___sys_sendmsg+0x10/0x10 [ 12.908651][ T301] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 12.908849][ T301] do_syscall_64+0xc1/0x1d0 [ 12.909003][ T301] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 12.909194][ T301] RIP: 0033:0x7fa2cb5c89a7 [ 12.909354][ 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 [ 12.909906][ T301] RSP: 002b:00007ffd8bb6a618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 12.910138][ T301] RAX: ffffffffffffffda RBX: 00007ffd8bb6ad50 RCX: 00007fa2cb5c89a7 [ 12.910374][ T301] RDX: 0000000000000000 RSI: 00007ffd8bb6a680 RDI: 0000000000000005 [ 12.910608][ T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 12.910835][ T301] R10: 0000000034c33910 R11: 0000000000000246 R12: 0000000000000004 [ 12.911076][ T301] R13: 000000006779092e R14: 0000000000498600 R15: 0000000000000000 [ 12.911313][ T301] [ 12.912294][ T301] br0: port 1(swp1) entered blocking state [ 12.912507][ T301] br0: port 1(swp1) entered forwarding state [ 12.918733][ T301] ip (301) used greatest stack depth: 23552 bytes left [ 13.127871][ T303] br0: port 2(vx0) entered blocking state [ 13.128285][ T303] br0: port 2(vx0) entered disabled state [ 13.128473][ T303] vx0: entered allmulticast mode [ 13.129452][ T303] vx0: entered promiscuous mode [ 13.129852][ T303] br0: port 2(vx0) entered blocking state [ 13.130013][ T303] br0: port 2(vx0) entered forwarding state [ 13.872837][ T317] br0: port 1(swp1) entered blocking state [ 13.873051][ T317] br0: port 1(swp1) entered disabled state [ 13.874112][ T317] swp1: entered allmulticast mode [ 13.875056][ T317] swp1: entered promiscuous mode [ 13.876029][ T317] br0: port 1(swp1) entered blocking state [ 13.876218][ T317] br0: port 1(swp1) entered forwarding state [ 13.994459][ T319] br0: port 2(vx0) entered blocking state [ 13.994653][ T319] br0: port 2(vx0) entered disabled state [ 13.994809][ T319] vx0: entered allmulticast mode [ 13.995740][ T319] vx0: entered promiscuous mode [ 13.996210][ T319] br0: port 2(vx0) entered blocking state [ 13.996365][ T319] br0: port 2(vx0) entered forwarding state [ 19.549574][ T331] GACT probability NOT on [ 20.512499][ T159] br0: port 1(swp1) entered disabled state [ 21.284617][ T159] br0: port 1(swp1) entered blocking state [ 21.284843][ T159] br0: port 1(swp1) entered forwarding state [ 22.168235][ T45] br0: port 1(swp1) entered disabled state [ 22.922754][ T45] br0: port 1(swp1) entered blocking state [ 22.922974][ T45] br0: port 1(swp1) entered forwarding state [ 24.377286][ T39] br0: port 1(swp1) entered disabled state [ 25.219858][ T11] vx0: left allmulticast mode [ 25.220066][ T11] vx0: left promiscuous mode [ 25.220331][ T11] br0: port 2(vx0) entered disabled state [ 25.221239][ T11] swp1: left allmulticast mode [ 25.221393][ T11] swp1: left promiscuous mode [ 25.221647][ T11] br0: port 1(swp1) entered disabled state [ 25.452442][ T11] vx0: left allmulticast mode [ 25.452655][ T11] vx0: left promiscuous mode [ 25.452922][ T11] br0: port 2(vx0) entered disabled state [ 25.453615][ T11] swp1: left allmulticast mode [ 25.453791][ T11] swp1: left promiscuous mode [ 25.454049][ T11] br0: port 1(swp1) entered disabled state [ 27.001346][ T486] veth0: renamed from veth1 [ 27.598456][ T503] br0: port 1(swp1) entered blocking state [ 27.598748][ T503] br0: port 1(swp1) entered disabled state [ 27.598944][ T503] swp1: entered allmulticast mode [ 27.599885][ T503] swp1: entered promiscuous mode [ 27.600854][ T503] br0: port 1(swp1) entered blocking state [ 27.601028][ T503] br0: port 1(swp1) entered forwarding state [ 27.712396][ T505] br0: port 2(vx0) entered blocking state [ 27.712584][ T505] br0: port 2(vx0) entered disabled state [ 27.712736][ T505] vx0: entered allmulticast mode [ 27.719440][ T505] vx0: entered promiscuous mode [ 27.719904][ T505] br0: port 2(vx0) entered blocking state [ 27.720045][ T505] br0: port 2(vx0) entered forwarding state [ 28.478901][ T518] br0: port 1(swp1) entered blocking state [ 28.479238][ T518] br0: port 1(swp1) entered disabled state [ 28.479456][ T518] swp1: entered allmulticast mode [ 28.480391][ T518] swp1: entered promiscuous mode [ 28.481650][ T518] br0: port 1(swp1) entered blocking state [ 28.481860][ T518] br0: port 1(swp1) entered forwarding state [ 28.597853][ T520] br0: port 2(vx0) entered blocking state [ 28.598138][ T520] br0: port 2(vx0) entered disabled state [ 28.598317][ T520] vx0: entered allmulticast mode [ 28.599211][ T520] vx0: entered promiscuous mode [ 28.599679][ T520] br0: port 2(vx0) entered blocking state [ 28.599845][ T520] br0: port 2(vx0) entered forwarding state [ 35.575355][ T159] br0: port 1(swp1) entered disabled state [ 36.768181][ T39] br0: port 1(swp1) entered blocking state [ 36.768413][ T39] br0: port 1(swp1) entered forwarding state [ 37.775365][ T159] br0: port 1(swp1) entered disabled state [ 38.984748][ T159] br0: port 1(swp1) entered blocking state [ 38.984971][ T159] br0: port 1(swp1) entered forwarding state [ 41.332161][ T45] br0: port 1(swp1) entered disabled state [ 42.614567][ T11] vx0: left allmulticast mode [ 42.614800][ T11] vx0: left promiscuous mode [ 42.615052][ T11] br0: port 2(vx0) entered disabled state [ 42.616989][ T11] swp1: left allmulticast mode [ 42.617350][ T11] swp1: left promiscuous mode [ 42.617945][ T11] br0: port 1(swp1) entered disabled state [ 42.889764][ T11] vx0: left allmulticast mode [ 42.889977][ T11] vx0: left promiscuous mode [ 42.890232][ T11] br0: port 2(vx0) entered disabled state [ 42.890925][ T11] swp1: left allmulticast mode [ 42.891099][ T11] swp1: left promiscuous mode [ 42.891368][ T11] br0: port 1(swp1) entered disabled state [ 44.443927][ T750] veth0: renamed from veth1 [ 45.063138][ T767] br0: port 1(swp1) entered blocking state [ 45.063356][ T767] br0: port 1(swp1) entered disabled state [ 45.063560][ T767] swp1: entered allmulticast mode [ 45.065320][ T767] swp1: entered promiscuous mode [ 45.066280][ T767] br0: port 1(swp1) entered blocking state [ 45.066456][ T767] br0: port 1(swp1) entered forwarding state [ 45.178657][ T769] br0: port 2(vx0) entered blocking state [ 45.178939][ T769] br0: port 2(vx0) entered disabled state [ 45.179119][ T769] vx0: entered allmulticast mode [ 45.180312][ T769] vx0: entered promiscuous mode [ 45.180708][ T769] br0: port 2(vx0) entered blocking state [ 45.180873][ T769] br0: port 2(vx0) entered forwarding state [ 45.892213][ T782] br0: port 1(swp1) entered blocking state [ 45.892439][ T782] br0: port 1(swp1) entered disabled state [ 45.892647][ T782] swp1: entered allmulticast mode [ 45.893575][ T782] swp1: entered promiscuous mode [ 45.894529][ T782] br0: port 1(swp1) entered blocking state [ 45.894716][ T782] br0: port 1(swp1) entered forwarding state [ 46.011297][ T784] br0: port 2(vx0) entered blocking state [ 46.011550][ T784] br0: port 2(vx0) entered disabled state [ 46.011714][ T784] vx0: entered allmulticast mode [ 46.012609][ T784] vx0: entered promiscuous mode [ 46.012982][ T784] br0: port 2(vx0) entered blocking state [ 46.013143][ T784] br0: port 2(vx0) entered forwarding state [ 52.495088][ T159] br0: port 1(swp1) entered disabled state [ 57.881456][ T11] vx0: left allmulticast mode [ 57.881638][ T11] vx0: left promiscuous mode [ 57.881873][ T11] br0: port 2(vx0) entered disabled state [ 57.882716][ T11] swp1: left allmulticast mode [ 57.882854][ T11] swp1: left promiscuous mode [ 57.883077][ T11] br0: port 1(swp1) entered disabled state [ 58.158019][ T11] vx0: left allmulticast mode [ 58.158188][ T11] vx0: left promiscuous mode [ 58.158431][ T11] br0: port 2(vx0) entered disabled state [ 58.159192][ T11] swp1: left allmulticast mode [ 58.159330][ T11] swp1: left promiscuous mode [ 58.159583][ T11] br0: port 1(swp1) entered disabled state [ 59.647076][ T983] veth0: renamed from veth1 [ 60.216102][ T1000] br0: port 1(swp1) entered blocking state [ 60.216433][ T1000] br0: port 1(swp1) entered disabled state [ 60.216638][ T1000] swp1: entered allmulticast mode [ 60.217542][ T1000] swp1: entered promiscuous mode [ 60.218493][ T1000] br0: port 1(swp1) entered blocking state [ 60.218683][ T1000] br0: port 1(swp1) entered forwarding state [ 60.330412][ T1002] br0: port 2(vx0) entered blocking state [ 60.330678][ T1002] br0: port 2(vx0) entered disabled state [ 60.330839][ T1002] vx0: entered allmulticast mode [ 60.331734][ T1002] vx0: entered promiscuous mode [ 60.332119][ T1002] br0: port 2(vx0) entered blocking state [ 60.332280][ T1002] br0: port 2(vx0) entered forwarding state [ 61.032717][ T1015] br0: port 1(swp1) entered blocking state [ 61.032939][ T1015] br0: port 1(swp1) entered disabled state [ 61.033120][ T1015] swp1: entered allmulticast mode [ 61.034004][ T1015] swp1: entered promiscuous mode [ 61.039931][ T1015] br0: port 1(swp1) entered blocking state [ 61.040141][ T1015] br0: port 1(swp1) entered forwarding state [ 61.147170][ T1017] br0: port 2(vx0) entered blocking state [ 61.147401][ T1017] br0: port 2(vx0) entered disabled state [ 61.147550][ T1017] vx0: entered allmulticast mode [ 61.148438][ T1017] vx0: entered promiscuous mode [ 61.148862][ T1017] br0: port 2(vx0) entered blocking state [ 61.149002][ T1017] br0: port 2(vx0) entered forwarding state [ 67.222620][ T39] br0: port 1(swp1) entered disabled state [ 68.230242][ T525] br0: port 1(swp1) entered disabled state [ 74.682949][ T11] vx0: left allmulticast mode [ 74.683141][ T11] vx0: left promiscuous mode [ 74.683378][ T11] br0: port 2(vx0) entered disabled state [ 74.684108][ T11] swp1: left allmulticast mode [ 74.684968][ T11] swp1: left promiscuous mode [ 74.685200][ T11] br0: port 1(swp1) entered disabled state [ 74.930407][ T11] vx0: left allmulticast mode [ 74.930756][ T11] vx0: left promiscuous mode [ 74.930990][ T11] br0: port 2(vx0) entered disabled state [ 74.931688][ T11] swp1: left allmulticast mode [ 74.931834][ T11] swp1: left promiscuous mode [ 74.932072][ T11] br0: port 1(swp1) entered disabled state [ 76.473001][ T1147] veth0: renamed from veth1 [ 77.079449][ T1164] br0: port 1(swp1) entered blocking state [ 77.079681][ T1164] br0: port 1(swp1) entered disabled state [ 77.079891][ T1164] swp1: entered allmulticast mode [ 77.080832][ T1164] swp1: entered promiscuous mode [ 77.081811][ T1164] br0: port 1(swp1) entered blocking state [ 77.082005][ T1164] br0: port 1(swp1) entered forwarding state [ 77.194828][ T1166] br0: port 2(vx0) entered blocking state [ 77.195084][ T1166] br0: port 2(vx0) entered disabled state [ 77.195260][ T1166] vx0: entered allmulticast mode [ 77.196205][ T1166] vx0: entered promiscuous mode [ 77.196583][ T1166] br0: port 2(vx0) entered blocking state [ 77.196732][ T1166] br0: port 2(vx0) entered forwarding state [ 77.920098][ T1179] br0: port 1(swp1) entered blocking state [ 77.920864][ T1179] br0: port 1(swp1) entered disabled state [ 77.921198][ T1179] swp1: entered allmulticast mode [ 77.922122][ T1179] swp1: entered promiscuous mode [ 77.923062][ T1179] br0: port 1(swp1) entered blocking state [ 77.923257][ T1179] br0: port 1(swp1) entered forwarding state [ 78.040180][ T1181] br0: port 2(vx0) entered blocking state [ 78.040459][ T1181] br0: port 2(vx0) entered disabled state [ 78.040632][ T1181] vx0: entered allmulticast mode [ 78.041567][ T1181] vx0: entered promiscuous mode [ 78.041963][ T1181] br0: port 2(vx0) entered blocking state [ 78.042114][ T1181] br0: port 2(vx0) entered forwarding state [ 83.614559][ T39] br0: port 1(swp1) entered disabled state [ 113.830554][ T11] vx0: left allmulticast mode [ 113.830770][ T11] vx0: left promiscuous mode [ 113.831056][ T11] br0: port 2(vx0) entered disabled state [ 113.831977][ T11] swp1: left allmulticast mode [ 113.832164][ T11] swp1: left promiscuous mode [ 113.832424][ T11] br0: port 1(swp1) entered disabled state [ 114.056516][ T11] vx0: left allmulticast mode [ 114.056689][ T11] vx0: left promiscuous mode [ 114.056926][ T11] br0: port 2(vx0) entered disabled state [ 114.057712][ T11] swp1: left allmulticast mode [ 114.057848][ T11] swp1: left promiscuous mode [ 114.058081][ T11] br0: port 1(swp1) entered disabled state