[ 37.714523][ T652] veth1: entered promiscuous mode [ 37.930818][ T656] veth1: left promiscuous mode [ 38.414904][ T662] ip (662) used greatest stack depth: 23648 bytes left [ 39.560632][ T678] veth1: entered promiscuous mode [ 62.445326][ T760] veth1: entered allmulticast mode [ 68.420129][ T775] veth1: left allmulticast mode [ 82.775321][ T939] veth1: left promiscuous mode [ 85.428140][ T978] br0: port 1(veth1) entered blocking state [ 85.428504][ T978] br0: port 1(veth1) entered disabled state [ 85.428862][ T978] veth1: entered allmulticast mode [ 85.431513][ T978] veth1: entered promiscuous mode [ 85.514299][ T57] br0: port 1(veth1) entered blocking state [ 85.515069][ T57] br0: port 1(veth1) entered forwarding state [ 85.958368][ T986] br0: port 1(veth1) entered disabled state [ 85.961487][ T986] br0: port 1(veth1) entered blocking state [ 85.961856][ T986] br0: port 1(veth1) entered forwarding state [ 86.512877][ T993] br0: entered promiscuous mode [ 109.060800][ T1075] br0: entered allmulticast mode [ 115.038655][ T1090] br0: left allmulticast mode [ 120.205486][ T1158] br0: left promiscuous mode [ 120.510331][ T1163] br0: port 1(veth1) entered disabled state [ 121.003230][ T1168] veth1: left allmulticast mode [ 121.003716][ T1168] veth1: left promiscuous mode [ 121.004241][ T1168] br0: port 1(veth1) entered disabled state [ 122.783103][ T1197] br0: port 1(veth1) entered blocking state [ 122.783460][ T1197] br0: port 1(veth1) entered disabled state [ 122.784297][ T1197] veth1: entered allmulticast mode [ 122.786214][ T1197] veth1: entered promiscuous mode [ 122.787301][ T1197] br0: port 1(veth1) entered blocking state [ 122.787559][ T1197] br0: port 1(veth1) entered forwarding state [ 123.265819][ T1204] br0: port 1(veth1) entered disabled state [ 123.267128][ T1204] br0: port 1(veth1) entered blocking state [ 123.267391][ T1204] br0: port 1(veth1) entered forwarding state [ 123.763162][ T1211] br0: entered promiscuous mode [ 146.410916][ T1293] br0: entered allmulticast mode [ 152.376895][ T1308] br0: left allmulticast mode [ 157.697710][ T1376] br0: left promiscuous mode [ 158.016554][ T1381] br0: port 1(veth1) entered disabled state [ 158.489282][ T1386] veth1: left allmulticast mode [ 158.489574][ T1386] veth1: left promiscuous mode [ 158.489959][ T1386] br0: port 1(veth1) entered disabled state [ 159.685600][ T1412] veth1: entered promiscuous mode [ 159.872166][ T1416] veth1: left promiscuous mode [ 160.618676][ T1425] 8021q: 802.1Q VLAN Support v1.8 [ 162.156089][ T1447] veth1: entered promiscuous mode [ 175.368184][ T1487] veth1.100: entered promiscuous mode [ 181.318793][ T1502] veth1.100: left promiscuous mode [ 184.695252][ T1529] veth1.100: entered allmulticast mode [ 184.695490][ T1529] veth1: entered allmulticast mode [ 190.674949][ T1544] veth1.100: left allmulticast mode [ 190.675198][ T1544] veth1: left allmulticast mode [ 205.253289][ T1708] veth1: left promiscuous mode [ 205.358500][ T1709] [ 205.358626][ T1709] ============================================ [ 205.358827][ T1709] WARNING: possible recursive locking detected [ 205.359010][ T1709] 6.13.0-rc5-virtme #1 Not tainted [ 205.359163][ T1709] -------------------------------------------- [ 205.359346][ T1709] ip/1709 is trying to acquire lock: [ 205.359497][ T1709] ffffffffb21d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 205.359828][ T1709] [ 205.359828][ T1709] but task is already holding lock: [ 205.360049][ T1709] ffffffffb21d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 205.360351][ T1709] [ 205.360351][ T1709] other info that might help us debug this: [ 205.360564][ T1709] Possible unsafe locking scenario: [ 205.360564][ T1709] [ 205.360783][ T1709] CPU0 [ 205.360892][ T1709] ---- [ 205.360999][ T1709] lock((netdev_chain).rwsem); [ 205.361148][ T1709] lock((netdev_chain).rwsem); [ 205.361292][ T1709] [ 205.361292][ T1709] *** DEADLOCK *** [ 205.361292][ T1709] [ 205.361523][ T1709] May be due to missing lock nesting notation [ 205.361523][ T1709] [ 205.361754][ T1709] 2 locks held by ip/1709: [ 205.361904][ T1709] #0: ffffffffb21e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40 [ 205.362183][ T1709] #1: ffffffffb21d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 205.362473][ T1709] [ 205.362473][ T1709] stack backtrace: [ 205.362651][ T1709] CPU: 2 UID: 0 PID: 1709 Comm: ip Not tainted 6.13.0-rc5-virtme #1 [ 205.362883][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 205.363079][ T1709] Call Trace: [ 205.363199][ T1709] [ 205.363291][ T1709] dump_stack_lvl+0x82/0xd0 [ 205.363454][ T1709] print_deadlock_bug+0x40a/0x650 [ 205.363609][ T1709] validate_chain+0x5bf/0xae0 [ 205.363769][ T1709] ? __pfx_validate_chain+0x10/0x10 [ 205.363926][ T1709] ? hlock_class+0x4e/0x130 [ 205.364083][ T1709] ? mark_lock+0x38/0x3e0 [ 205.364205][ T1709] __lock_acquire+0xb9a/0x1680 [ 205.364360][ T1709] lock_acquire.part.0+0xeb/0x330 [ 205.364504][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 205.364684][ T1709] ? netconsole_process_cleanups_core+0x2e/0x3d0 [ 205.364875][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 205.365028][ T1709] ? trace_lock_acquire+0x14c/0x1f0 [ 205.365180][ T1709] ? lock_acquire+0x32/0xc0 [ 205.365337][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 205.365537][ T1709] down_read+0x9f/0x340 [ 205.365652][ T1709] ? blocking_notifier_call_chain+0x50/0x90 [ 205.365839][ T1709] ? __pfx_down_read+0x10/0x10 [ 205.365993][ T1709] ? __lock_release+0x103/0x460 [ 205.366138][ T1709] ? netconsole_netdev_event+0x2c1/0x620 [ 205.366297][ T1709] ? __pfx___lock_release+0x10/0x10 [ 205.366444][ T1709] blocking_notifier_call_chain+0x50/0x90 [ 205.366590][ T1709] __netdev_upper_dev_unlink+0xd9/0x220 [ 205.366736][ T1709] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 205.366925][ T1709] ? __mutex_unlock_slowpath+0x14a/0x3d0 [ 205.367104][ T1709] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 205.367299][ T1709] ? rtnl_is_locked+0x15/0x20 [ 205.367463][ T1709] netdev_upper_dev_unlink+0x71/0xa0 [ 205.367619][ T1709] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 205.367824][ T1709] ? netconsole_netdev_event+0x2c1/0x620 [ 205.367970][ T1709] ? mutex_is_locked+0x1c/0x60 [ 205.368130][ T1709] ? rtnl_is_locked+0x15/0x20 [ 205.368275][ T1709] ? netdev_master_upper_dev_get+0x13/0x120 [ 205.368483][ T1709] vrf_device_event+0x78/0xe0 [vrf] [ 205.368646][ T1709] notifier_call_chain+0xcd/0x150 [ 205.368793][ T1709] blocking_notifier_call_chain+0x66/0x90 [ 205.368946][ T1709] unregister_netdevice_many_notify+0xa7b/0x1580 [ 205.369150][ T1709] ? __lock_release+0x103/0x460 [ 205.369294][ T1709] ? __pfx___lock_release+0x10/0x10 [ 205.369440][ T1709] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 205.369625][ T1709] ? hlock_class+0x4e/0x130 [ 205.369783][ T1709] ? mark_held_locks+0x9e/0xe0 [ 205.369937][ T1709] ? __pfx_vlan_info_rcu_free+0x10/0x10 [ 205.370096][ T1709] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 205.370278][ T1709] rtnl_dellink+0x348/0xa40 [ 205.370431][ T1709] ? __pfx_rtnl_dellink+0x10/0x10 [ 205.370604][ T1709] ? find_held_lock+0x2c/0x110 [ 205.370759][ T1709] ? __lock_release+0x103/0x460 [ 205.370919][ T1709] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 205.371064][ T1709] ? __pfx___lock_release+0x10/0x10 [ 205.371209][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 205.371357][ T1709] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 205.371502][ T1709] ? __pfx_rtnl_dellink+0x10/0x10 [ 205.371656][ T1709] rtnetlink_rcv_msg+0x712/0xc10 [ 205.371825][ T1709] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 205.371987][ T1709] ? hlock_class+0x4e/0x130 [ 205.372133][ T1709] ? mark_lock+0x38/0x3e0 [ 205.372245][ T1709] ? __lock_acquire+0xb9a/0x1680 [ 205.372391][ T1709] netlink_rcv_skb+0x130/0x360 [ 205.372534][ T1709] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 205.372681][ T1709] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 205.372830][ T1709] ? netlink_deliver_tap+0x13e/0x340 [ 205.372991][ T1709] ? netlink_deliver_tap+0xc3/0x340 [ 205.373145][ T1709] netlink_unicast+0x44b/0x710 [ 205.373302][ T1709] ? __pfx_netlink_unicast+0x10/0x10 [ 205.373455][ T1709] ? find_held_lock+0x2c/0x110 [ 205.373609][ T1709] netlink_sendmsg+0x723/0xbe0 [ 205.373765][ T1709] ? __pfx_netlink_sendmsg+0x10/0x10 [ 205.373914][ T1709] ____sys_sendmsg+0x7ac/0xa10 [ 205.374068][ T1709] ? __pfx_____sys_sendmsg+0x10/0x10 [ 205.374222][ T1709] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 205.374414][ T1709] ___sys_sendmsg+0xee/0x170 [ 205.374570][ T1709] ? __pfx____sys_sendmsg+0x10/0x10 [ 205.374715][ T1709] ? kasan_save_stack+0x34/0x50 [ 205.374870][ T1709] ? kasan_save_stack+0x24/0x50 [ 205.375021][ T1709] ? __kasan_record_aux_stack+0x8e/0xa0 [ 205.375174][ T1709] ? __call_rcu_common.constprop.0+0xa1/0x4b0 [ 205.375357][ T1709] ? __x64_sys_close+0x7c/0xd0 [ 205.375501][ T1709] ? do_syscall_64+0xc1/0x1d0 [ 205.375645][ T1709] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 205.375827][ T1709] ? __lock_acquire+0xb9a/0x1680 [ 205.375982][ T1709] ? find_held_lock+0x2c/0x110 [ 205.376126][ T1709] ? __lock_release+0x103/0x460 [ 205.376270][ T1709] ? __virt_addr_valid+0x22b/0x430 [ 205.376424][ T1709] ? __pfx___lock_release+0x10/0x10 [ 205.376570][ T1709] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 205.376716][ T1709] __sys_sendmsg+0x109/0x1a0 [ 205.376860][ T1709] ? __pfx___sys_sendmsg+0x10/0x10 [ 205.377006][ T1709] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 205.377203][ T1709] do_syscall_64+0xc1/0x1d0 [ 205.377354][ T1709] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 205.377546][ T1709] RIP: 0033:0x7fc8028a59a7 [ 205.377708][ 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 [ 205.378236][ T1709] RSP: 002b:00007ffcf1b05a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 205.378459][ T1709] RAX: ffffffffffffffda RBX: 00007ffcf1b06140 RCX: 00007fc8028a59a7 [ 205.378681][ T1709] RDX: 0000000000000000 RSI: 00007ffcf1b05a80 RDI: 0000000000000005 [ 205.378912][ T1709] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 205.379143][ T1709] R10: 00007fc802763ef8 R11: 0000000000000246 R12: 0000000000000002 [ 205.379381][ T1709] R13: 0000000067792cbb R14: 0000000000498600 R15: 0000000000000000 [ 205.379604][ T1709] [ 205.398207][ T1709] ip (1709) used greatest stack depth: 23496 bytes left [ 206.549983][ T1741] veth1: entered promiscuous mode [ 206.690897][ T1745] veth1: left promiscuous mode [ 208.339288][ T1776] br0: port 1(veth1) entered blocking state [ 208.339716][ T1776] br0: port 1(veth1) entered disabled state [ 208.340027][ T1776] veth1: entered allmulticast mode [ 208.342579][ T1776] veth1: entered promiscuous mode [ 208.343821][ T1776] br0: port 1(veth1) entered blocking state [ 208.344042][ T1776] br0: port 1(veth1) entered forwarding state [ 221.227873][ T1821] veth1.100: entered promiscuous mode [ 227.008637][ T1836] veth1.100: left promiscuous mode [ 230.041314][ T1863] veth1.100: entered allmulticast mode [ 235.791338][ T1878] veth1.100: left allmulticast mode [ 248.140169][ T2043] veth1: left allmulticast mode [ 248.140410][ T2043] veth1: left promiscuous mode [ 248.140793][ T2043] br0: port 1(veth1) entered disabled state [ 249.406717][ T2076] veth1: entered promiscuous mode [ 249.527421][ T2080] veth1: left promiscuous mode [ 251.240422][ T2111] br0: port 1(veth1) entered blocking state [ 251.241027][ T2111] br0: port 1(veth1) entered disabled state [ 251.241248][ T2111] veth1: entered allmulticast mode [ 251.242725][ T2111] veth1: entered promiscuous mode [ 251.243557][ T2111] br0: port 1(veth1) entered blocking state [ 251.243779][ T2111] br0: port 1(veth1) entered forwarding state [ 264.109265][ T2156] veth1.100: entered promiscuous mode [ 269.815234][ T2171] veth1.100: left promiscuous mode [ 272.775930][ T2198] veth1.100: entered allmulticast mode [ 278.456752][ T2213] veth1.100: left allmulticast mode [ 290.274276][ T2378] veth1: left allmulticast mode [ 290.274511][ T2378] veth1: left promiscuous mode [ 290.275300][ T2378] br0: port 1(veth1) entered disabled state [ 292.102521][ T2418] br0: port 1(veth1) entered blocking state [ 292.102819][ T2418] br0: port 1(veth1) entered disabled state [ 292.103077][ T2418] veth1: entered allmulticast mode [ 292.104560][ T2418] veth1: entered promiscuous mode [ 292.166032][ T154] br0: port 1(veth1) entered blocking state [ 292.166293][ T154] br0: port 1(veth1) entered forwarding state [ 292.480130][ T2425] br0: port 1(veth1) entered disabled state [ 292.481200][ T2425] br0: port 1(veth1) entered blocking state [ 292.481457][ T2425] br0: port 1(veth1) entered forwarding state [ 293.038494][ T2436] br0: entered promiscuous mode [ 305.556244][ T2476] br0.100: entered promiscuous mode [ 311.348709][ T2491] br0.100: left promiscuous mode [ 314.329969][ T2518] br0.100: entered allmulticast mode [ 314.330190][ T2518] br0: entered allmulticast mode [ 320.016064][ T2533] br0.100: left allmulticast mode [ 320.016238][ T2533] br0: left allmulticast mode [ 324.349326][ T2601] br0: left promiscuous mode [ 324.587097][ T2605] br0: port 1(veth1) entered disabled state [ 324.950040][ T2610] veth1: left allmulticast mode [ 324.950223][ T2610] veth1: left promiscuous mode [ 324.950479][ T2610] br0: port 1(veth1) entered disabled state [ 326.427754][ T2642] br0: port 1(veth1) entered blocking state [ 326.428113][ T2642] br0: port 1(veth1) entered disabled state [ 326.428457][ T2642] veth1: entered allmulticast mode [ 326.432561][ T2642] veth1: entered promiscuous mode [ 326.439897][ T2642] br0: port 1(veth1) entered blocking state [ 326.440148][ T2642] br0: port 1(veth1) entered forwarding state [ 326.833384][ T2649] br0: port 1(veth1) entered disabled state [ 326.834430][ T2649] br0: port 1(veth1) entered blocking state [ 326.834672][ T2649] br0: port 1(veth1) entered forwarding state [ 327.377448][ T2660] br0: entered promiscuous mode [ 340.085137][ T2702] br0.100: entered promiscuous mode [ 345.819715][ T2717] br0.100: left promiscuous mode [ 348.787735][ T2744] br0.100: entered allmulticast mode [ 348.787917][ T2744] br0: entered allmulticast mode [ 354.517267][ T2759] br0.100: left allmulticast mode [ 354.517490][ T2759] br0: left allmulticast mode [ 358.958994][ T2829] br0: left promiscuous mode [ 359.128033][ T2833] br0: port 1(veth1) entered disabled state [ 359.470224][ T2838] veth1: left allmulticast mode [ 359.470410][ T2838] veth1: left promiscuous mode [ 359.470911][ T2838] br0: port 1(veth1) entered disabled state