[ 13.691022][ T294] eth1: renamed from tmp [ 77.222685][ T547] eth1: renamed from tmp [ 140.866697][ T799] ip (799) used greatest stack depth: 23384 bytes left [ 141.040613][ T801] eth1: renamed from tmp [ 205.366284][ T1053] eth1: renamed from tmp [ 268.136645][ T1314] eth1: renamed from tmp [ 330.946620][ T1577] eth1: renamed from tmp [ 659.626948][ T2429] eth1: renamed from tmp [ 693.065368][ T2567] eth2: renamed from tmp [ 903.683315][ T3140] eth1: renamed from tmp [ 1242.355294][ T4067] eth1: renamed from tmp [ 1373.460548][ T4549] eth1: renamed from tmp [ 1407.785751][ T4714] eth1: renamed from tmp [ 1459.915021][ T4941] eth1: renamed from tmp [ 1475.719629][ T5055] eth1: renamed from tmp [ 1491.503732][ T5169] eth1: renamed from tmp [ 1507.311375][ T5283] eth1: renamed from tmp [ 1524.119645][ T5401] eth1: renamed from tmp [ 1540.875487][ T5519] eth1: renamed from tmp [ 1557.731954][ T5637] eth1: renamed from tmp [ 1574.754214][ T5755] eth1: renamed from tmp [ 1591.913932][ T5873] eth1: renamed from tmp [ 1609.006778][ T5992] eth1: renamed from tmp [ 1626.011860][ T6110] eth1: renamed from tmp [ 1642.900795][ T6228] eth1: renamed from tmp [ 1659.794991][ T6346] eth1: renamed from tmp [ 1677.075182][ T6464] eth1: renamed from tmp [ 1694.038890][ T6582] eth1: renamed from tmp [ 1711.165344][ T6700] eth1: renamed from tmp [ 1728.287461][ T6818] eth1: renamed from tmp [ 1744.977918][ T6936] eth1: renamed from tmp [ 1761.541634][ T7054] eth1: renamed from tmp [ 1777.976191][ T7172] eth1: renamed from tmp [ 1794.528945][ T7290] eth1: renamed from tmp [ 1810.995936][ T7409] eth1: renamed from tmp [ 1827.903533][ T7527] eth1: renamed from tmp [ 1844.385580][ T7645] eth1: renamed from tmp [ 1860.854194][ T7763] eth1: renamed from tmp [ 1877.357810][ T7882] eth1: renamed from tmp [ 1893.854399][ T8000] eth1: renamed from tmp [ 1910.320768][ T8118] eth1: renamed from tmp [ 1926.794815][ T8236] eth1: renamed from tmp [ 1943.453249][ T8355] eth1: renamed from tmp [ 1959.895843][ T8474] eth1: renamed from tmp [ 1976.373166][ T8592] eth1: renamed from tmp [ 2010.298980][ T8777] eth1: renamed from tmp [ 2061.264084][ T8941] [ 2061.264420][ T8941] ============================= [ 2061.264627][ T8941] WARNING: suspicious RCU usage [ 2061.264791][ T8941] 6.13.0-rc3-virtme #1 Not tainted [ 2061.265622][ T8941] ----------------------------- [ 2061.265788][ T8941] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 2061.266025][ T8941] [ 2061.266025][ T8941] other info that might help us debug this: [ 2061.266025][ T8941] [ 2061.266358][ T8941] [ 2061.266358][ T8941] rcu_scheduler_active = 2, debug_locks = 1 [ 2061.266599][ T8941] 1 lock held by ping6/8941: [ 2061.266766][ T8941] #0: ffff8880110d1418 (sk_lock-AF_INET6){+.+.}-{0:0}, at: udpv6_connect+0x25/0x250 [ 2061.267069][ T8941] [ 2061.267069][ T8941] stack backtrace: [ 2061.267276][ T8941] CPU: 3 UID: 0 PID: 8941 Comm: ping6 Not tainted 6.13.0-rc3-virtme #1 [ 2061.267525][ T8941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2061.267725][ T8941] Call Trace: [ 2061.267849][ T8941] [ 2061.267947][ T8941] dump_stack_lvl+0xb0/0xd0 [ 2061.268119][ T8941] lockdep_rcu_suspicious+0x1ea/0x280 [ 2061.268294][ T8941] dev_get_by_index_rcu+0x14f/0x190 [ 2061.268458][ T8941] ip6_create_rt_oif_rcu+0x4f/0x4a0 [ 2061.268619][ T8941] ? ip6_route_output_flags+0x2ab/0x480 [ 2061.268790][ T8941] ip6_dst_lookup_tail.constprop.0+0x3cb/0xa00 [ 2061.268993][ T8941] ? ip6_datagram_dst_update+0x4ed/0xc60 [ 2061.269162][ T8941] ip6_dst_lookup_flow+0x88/0x190 [ 2061.269324][ T8941] ? __pfx_ip6_dst_lookup_flow+0x10/0x10 [ 2061.269491][ T8941] ? ip6_datagram_dst_update+0x4ed/0xc60 [ 2061.269659][ T8941] ip6_datagram_dst_update+0x52d/0xc60 [ 2061.269824][ T8941] ? __pfx_ip6_datagram_dst_update+0x10/0x10 [ 2061.270047][ T8941] ? __ip6_datagram_connect+0x4ee/0x12f0 [ 2061.270207][ T8941] __ip6_datagram_connect+0x4ee/0x12f0 [ 2061.270368][ T8941] ? __lock_release+0x103/0x460 [ 2061.270546][ T8941] ? __pfx___ip6_datagram_connect+0x10/0x10 [ 2061.270747][ T8941] ? mark_held_locks+0x9e/0xe0 [ 2061.270912][ T8941] ? __pfx_inet_dgram_connect+0x10/0x10 [ 2061.271076][ T8941] ? udpv6_connect+0x33/0x250 [ 2061.271236][ T8941] udpv6_connect+0x33/0x250 [ 2061.271399][ T8941] ? inet_dgram_connect+0x128/0x2e0 [ 2061.271564][ T8941] __sys_connect+0x1a6/0x270 [ 2061.271726][ T8941] ? __pfx___sys_connect+0x10/0x10 [ 2061.271892][ T8941] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 2061.272096][ T8941] ? trace_rcu_segcb_stats+0x36/0x1e0 [ 2061.272263][ T8941] ? __sys_setsockopt+0xec/0x160 [ 2061.272430][ T8941] __x64_sys_connect+0x72/0xb0 [ 2061.272591][ T8941] do_syscall_64+0xc1/0x1d0 [ 2061.272753][ T8941] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2061.272953][ T8941] RIP: 0033:0x7f8fa2d935c7 [ 2061.273124][ T8941] Code: 0a 00 f7 d8 64 89 02 b8 ff ff ff ff eb bc 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89 [ 2061.273685][ T8941] RSP: 002b:00007ffe0b97d1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 2061.273929][ T8941] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8fa2d935c7 [ 2061.274169][ T8941] RDX: 000000000000001c RSI: 000000000041861c RDI: 0000000000000006 [ 2061.274409][ T8941] RBP: 00007ffe0b97d4a0 R08: 000000002eb544d0 R09: 0000000000000000 [ 2061.274650][ T8941] R10: 00007f8fa2c4b598 R11: 0000000000000246 R12: 00007ffe0b97d7f8 [ 2061.274894][ T8941] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f8fa2eba000 [ 2061.275151][ T8941] [ 2097.514282][ T9102] eth1: renamed from tmp [ 2184.862818][ T9428] eth1: renamed from tmp [ 2272.441923][ T9765] eth1: renamed from tmp [ 2360.018724][T10103] eth1: renamed from tmp [ 2641.378998][T10887] eth1: renamed from tmp [ 2687.320838][T11069] eth2: renamed from tmp [ 2872.548218][T11529] nettest (11529) used greatest stack depth: 23248 bytes left [ 2896.702318][T11658] eth1: renamed from tmp [ 3241.308518][T12696] eth1: renamed from tmp [ 3394.986440][T13255] eth1: renamed from tmp [ 3421.700991][T13400] eth1: renamed from tmp [ 3458.997084][T13584] eth1: renamed from tmp [ 3474.527201][T13698] eth1: renamed from tmp [ 3488.041546][T13812] eth1: renamed from tmp [ 3504.554444][T13930] eth1: renamed from tmp [ 3521.085362][T14048] eth1: renamed from tmp [ 3537.575820][T14166] eth1: renamed from tmp [ 3554.196260][T14284] eth1: renamed from tmp [ 3570.832180][T14402] eth1: renamed from tmp [ 3587.356982][T14520] eth1: renamed from tmp [ 3603.951126][T14637] eth1: renamed from tmp [ 3620.505959][T14755] eth1: renamed from tmp [ 3637.085014][T14873] eth1: renamed from tmp [ 3653.638654][T14991] eth1: renamed from tmp [ 3670.328994][T15109] eth1: renamed from tmp [ 3686.923942][T15227] eth1: renamed from tmp [ 3703.491186][T15346] eth1: renamed from tmp [ 3720.444479][T15465] eth1: renamed from tmp [ 3737.507668][T15583] eth1: renamed from tmp [ 3754.647519][T15701] eth1: renamed from tmp [ 3771.203953][T15819] eth1: renamed from tmp [ 3787.956847][T15938] eth1: renamed from tmp [ 3804.582942][T16056] eth1: renamed from tmp [ 3821.140558][T16174] eth1: renamed from tmp [ 3837.796074][T16292] eth1: renamed from tmp [ 3854.205899][T16410] eth1: renamed from tmp [ 3870.720834][T16527] eth1: renamed from tmp [ 3887.151761][T16645] eth1: renamed from tmp [ 3903.637964][T16763] eth1: renamed from tmp [ 3920.043030][T16881] eth1: renamed from tmp [ 3936.521876][T16999] eth1: renamed from tmp [ 3953.024949][T17117] eth1: renamed from tmp [ 3969.555022][T17235] eth1: renamed from tmp [ 3986.052056][T17353] eth1: renamed from tmp [ 4002.465874][T17471] eth1: renamed from tmp [ 4019.030756][T17589] eth1: renamed from tmp [ 4035.663776][T17708] eth1: renamed from tmp [ 4052.459728][T17827] eth1: renamed from tmp [ 4069.370076][T17945] eth1: renamed from tmp [ 4086.234775][T18064] eth1: renamed from tmp [ 4102.867890][T18181] eth1: renamed from tmp [ 4119.539326][T18298] eth1: renamed from tmp [ 4136.028740][T18416] eth1: renamed from tmp [ 4152.516901][T18534] eth1: renamed from tmp [ 4169.266293][T18652] eth1: renamed from tmp [ 4186.039111][T18770] eth1: renamed from tmp [ 4202.539843][T18888] eth1: renamed from tmp [ 4219.144049][T19006] eth1: renamed from tmp [ 4235.754346][T19124] eth1: renamed from tmp [ 4270.361736][T19305] eth1: renamed from tmp [ 4274.461457][T19352] br0: port 1(eth1) entered blocking state [ 4274.461962][T19352] br0: port 1(eth1) entered disabled state [ 4274.462224][T19352] eth1: entered allmulticast mode [ 4274.463468][T19352] eth1: entered promiscuous mode [ 4274.765580][T19356] br0: port 1(eth1) entered blocking state [ 4274.766065][T19356] br0: port 1(eth1) entered forwarding state [ 4274.926980][T19358] br0: port 1(eth1) entered disabled state [ 4274.928634][T19358] br0: port 1(eth1) entered blocking state [ 4274.928966][T19358] br0: port 1(eth1) entered forwarding state [ 4285.924627][T19387] br0: port 1(eth1) entered disabled state [ 4285.926830][T19387] br0: port 1(eth1) entered blocking state [ 4285.927162][T19387] br0: port 1(eth1) entered forwarding state [ 4294.103619][T19432] eth1: left allmulticast mode [ 4294.103884][T19432] eth1: left promiscuous mode [ 4294.104419][T19432] br0: port 1(eth1) entered disabled state [ 4300.648016][T19510] eth1: renamed from tmp [ 4300.996598][T19514] eth2: renamed from tmp [ 4323.024876][T19657] eth1: renamed from tmp