[ 14.249106][ T294] eth1: renamed from tmp [ 74.725547][ T495] ip (495) used greatest stack depth: 23456 bytes left [ 78.396518][ T547] eth1: renamed from tmp [ 144.044677][ T801] eth1: renamed from tmp [ 210.095774][ T1054] eth1: renamed from tmp [ 275.723916][ T1316] eth1: renamed from tmp [ 343.523326][ T1579] eth1: renamed from tmp [ 686.042141][ T2430] eth1: renamed from tmp [ 721.540105][ T2568] eth2: renamed from tmp [ 938.779833][ T3141] eth1: renamed from tmp [ 1284.996618][ T4067] eth1: renamed from tmp [ 1419.828615][ T4550] eth1: renamed from tmp [ 1456.021711][ T4715] eth1: renamed from tmp [ 1509.728729][ T4942] eth1: renamed from tmp [ 1525.899488][ T5056] eth1: renamed from tmp [ 1541.868521][ T5170] eth1: renamed from tmp [ 1557.789868][ T5284] eth1: renamed from tmp [ 1575.058618][ T5402] eth1: renamed from tmp [ 1592.283549][ T5520] eth1: renamed from tmp [ 1609.742608][ T5638] eth1: renamed from tmp [ 1627.106547][ T5756] eth1: renamed from tmp [ 1644.411518][ T5874] eth1: renamed from tmp [ 1661.752976][ T5993] eth1: renamed from tmp [ 1679.610527][ T6111] eth1: renamed from tmp [ 1696.797210][ T6229] eth1: renamed from tmp [ 1713.733567][ T6348] eth1: renamed from tmp [ 1731.082535][ T6467] eth1: renamed from tmp [ 1748.227347][ T6586] eth1: renamed from tmp [ 1765.124372][ T6704] eth1: renamed from tmp [ 1782.370090][ T6822] eth1: renamed from tmp [ 1799.863517][ T6940] eth1: renamed from tmp [ 1816.875395][ T7058] eth1: renamed from tmp [ 1833.767510][ T7176] eth1: renamed from tmp [ 1850.741715][ T7294] eth1: renamed from tmp [ 1867.597707][ T7412] eth1: renamed from tmp [ 1884.527609][ T7531] eth1: renamed from tmp [ 1901.431691][ T7649] eth1: renamed from tmp [ 1918.343423][ T7767] eth1: renamed from tmp [ 1935.383876][ T7885] eth1: renamed from tmp [ 1952.040442][ T8003] eth1: renamed from tmp [ 1968.698488][ T8121] eth1: renamed from tmp [ 1985.343706][ T8241] eth1: renamed from tmp [ 2002.131966][ T8359] eth1: renamed from tmp [ 2018.953453][ T8477] eth1: renamed from tmp [ 2036.053773][ T8595] eth1: renamed from tmp [ 2070.476985][ T8779] eth1: renamed from tmp [ 2122.100095][ T8943] [ 2122.100423][ T8943] ============================= [ 2122.100626][ T8943] WARNING: suspicious RCU usage [ 2122.100789][ T8943] 6.13.0-rc3-virtme #1 Not tainted [ 2122.100949][ T8943] ----------------------------- [ 2122.101140][ T8943] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 2122.101376][ T8943] [ 2122.101376][ T8943] other info that might help us debug this: [ 2122.101376][ T8943] [ 2122.101700][ T8943] [ 2122.101700][ T8943] rcu_scheduler_active = 2, debug_locks = 1 [ 2122.102213][ T8943] 1 lock held by ping6/8943: [ 2122.102385][ T8943] #0: ffff888011a49418 (sk_lock-AF_INET6){+.+.}-{0:0}, at: udpv6_connect+0x25/0x250 [ 2122.102686][ T8943] [ 2122.102686][ T8943] stack backtrace: [ 2122.102885][ T8943] CPU: 3 UID: 0 PID: 8943 Comm: ping6 Not tainted 6.13.0-rc3-virtme #1 [ 2122.103136][ T8943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2122.103337][ T8943] Call Trace: [ 2122.103462][ T8943] [ 2122.103560][ T8943] dump_stack_lvl+0xb0/0xd0 [ 2122.103756][ T8943] lockdep_rcu_suspicious+0x1ea/0x280 [ 2122.103928][ T8943] dev_get_by_index_rcu+0x14f/0x190 [ 2122.104097][ T8943] ip6_create_rt_oif_rcu+0x4f/0x4a0 [ 2122.104264][ T8943] ? ip6_route_output_flags+0x2ab/0x480 [ 2122.104438][ T8943] ip6_dst_lookup_tail.constprop.0+0x3cb/0xa00 [ 2122.104642][ T8943] ? ip6_datagram_dst_update+0x4ed/0xc60 [ 2122.104812][ T8943] ip6_dst_lookup_flow+0x88/0x190 [ 2122.104982][ T8943] ? __pfx_ip6_dst_lookup_flow+0x10/0x10 [ 2122.105147][ T8943] ? ip6_datagram_dst_update+0x4ed/0xc60 [ 2122.105312][ T8943] ip6_datagram_dst_update+0x52d/0xc60 [ 2122.105474][ T8943] ? __pfx_ip6_datagram_dst_update+0x10/0x10 [ 2122.105696][ T8943] ? __ip6_datagram_connect+0x4ee/0x12f0 [ 2122.105872][ T8943] __ip6_datagram_connect+0x4ee/0x12f0 [ 2122.106035][ T8943] ? __lock_release+0x103/0x460 [ 2122.106209][ T8943] ? __pfx___ip6_datagram_connect+0x10/0x10 [ 2122.106417][ T8943] ? mark_held_locks+0x9e/0xe0 [ 2122.106596][ T8943] ? __pfx_inet_dgram_connect+0x10/0x10 [ 2122.106765][ T8943] ? udpv6_connect+0x33/0x250 [ 2122.106931][ T8943] udpv6_connect+0x33/0x250 [ 2122.107094][ T8943] ? inet_dgram_connect+0x128/0x2e0 [ 2122.107258][ T8943] __sys_connect+0x1a6/0x270 [ 2122.107425][ T8943] ? __pfx___sys_connect+0x10/0x10 [ 2122.107595][ T8943] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 2122.107801][ T8943] ? trace_rcu_segcb_stats+0x36/0x1e0 [ 2122.107977][ T8943] ? __sys_setsockopt+0xec/0x160 [ 2122.108155][ T8943] __x64_sys_connect+0x72/0xb0 [ 2122.108323][ T8943] do_syscall_64+0xc1/0x1d0 [ 2122.108488][ T8943] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2122.108688][ T8943] RIP: 0033:0x7f8e3db965c7 [ 2122.108856][ T8943] 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 [ 2122.109430][ T8943] RSP: 002b:00007ffc7be2ad28 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 2122.109678][ T8943] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8e3db965c7 [ 2122.109931][ T8943] RDX: 000000000000001c RSI: 000000000041861c RDI: 0000000000000006 [ 2122.110172][ T8943] RBP: 00007ffc7be2b010 R08: 0000000020d3e4d0 R09: 0000000000000000 [ 2122.110419][ T8943] R10: 00007f8e3da4e598 R11: 0000000000000246 R12: 00007ffc7be2b368 [ 2122.110663][ T8943] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f8e3dcbd000 [ 2122.110929][ T8943] [ 2158.993832][ T9104] eth1: renamed from tmp [ 2248.033522][ T9430] eth1: renamed from tmp [ 2336.607102][ T9767] eth1: renamed from tmp [ 2425.649394][T10105] eth1: renamed from tmp [ 2708.779202][T10889] eth1: renamed from tmp [ 2755.318537][T11072] eth2: renamed from tmp [ 2966.056635][T11662] eth1: renamed from tmp [ 3311.552801][T12700] eth1: renamed from tmp [ 3465.534624][T13257] eth1: renamed from tmp [ 3492.450414][T13400] eth1: renamed from tmp [ 3529.989527][T13585] eth1: renamed from tmp [ 3545.722961][T13699] eth1: renamed from tmp [ 3559.722777][T13813] eth1: renamed from tmp [ 3576.605597][T13931] eth1: renamed from tmp [ 3593.443736][T14049] eth1: renamed from tmp [ 3610.405794][T14167] eth1: renamed from tmp [ 3627.309436][T14285] eth1: renamed from tmp [ 3644.229505][T14404] eth1: renamed from tmp [ 3661.224758][T14522] eth1: renamed from tmp [ 3678.194988][T14639] eth1: renamed from tmp [ 3695.217632][T14756] eth1: renamed from tmp [ 3712.144563][T14874] eth1: renamed from tmp [ 3729.040028][T14992] eth1: renamed from tmp [ 3745.960161][T15110] eth1: renamed from tmp [ 3762.933444][T15228] eth1: renamed from tmp [ 3779.953570][T15346] eth1: renamed from tmp [ 3796.842408][T15464] eth1: renamed from tmp [ 3813.668313][T15582] eth1: renamed from tmp [ 3830.765884][T15700] eth1: renamed from tmp [ 3847.703901][T15818] eth1: renamed from tmp [ 3864.553510][T15936] eth1: renamed from tmp [ 3881.569102][T16054] eth1: renamed from tmp [ 3898.665520][T16173] eth1: renamed from tmp [ 3915.584865][T16291] eth1: renamed from tmp [ 3932.572647][T16408] eth1: renamed from tmp [ 3949.572869][T16525] eth1: renamed from tmp [ 3966.489950][T16643] eth1: renamed from tmp [ 3983.379590][T16761] eth1: renamed from tmp [ 4000.470761][T16880] eth1: renamed from tmp [ 4017.749637][T16999] eth1: renamed from tmp [ 4034.862172][T17117] eth1: renamed from tmp [ 4051.647884][T17236] eth1: renamed from tmp [ 4068.659453][T17354] eth1: renamed from tmp [ 4085.678995][T17472] eth1: renamed from tmp [ 4102.703563][T17590] eth1: renamed from tmp [ 4119.878857][T17708] eth1: renamed from tmp [ 4136.967358][T17826] eth1: renamed from tmp [ 4154.302468][T17944] eth1: renamed from tmp [ 4171.478882][T18062] eth1: renamed from tmp [ 4188.765050][T18179] eth1: renamed from tmp [ 4205.907682][T18296] eth1: renamed from tmp [ 4222.956789][T18414] eth1: renamed from tmp [ 4240.089918][T18533] eth1: renamed from tmp [ 4250.095789][T18576] nettest (18576) used greatest stack depth: 21808 bytes left [ 4257.252652][T18651] eth1: renamed from tmp [ 4274.275756][T18769] eth1: renamed from tmp [ 4291.231780][T18887] eth1: renamed from tmp [ 4308.164688][T19005] eth1: renamed from tmp [ 4325.193675][T19123] eth1: renamed from tmp [ 4360.462338][T19305] eth1: renamed from tmp [ 4364.776070][T19352] br0: port 1(eth1) entered blocking state [ 4364.776646][T19352] br0: port 1(eth1) entered disabled state [ 4364.776924][T19352] eth1: entered allmulticast mode [ 4364.778200][T19352] eth1: entered promiscuous mode [ 4365.090659][T19356] br0: port 1(eth1) entered blocking state [ 4365.091092][T19356] br0: port 1(eth1) entered forwarding state [ 4365.252573][T19358] br0: port 1(eth1) entered disabled state [ 4365.254029][T19358] br0: port 1(eth1) entered blocking state [ 4365.254394][T19358] br0: port 1(eth1) entered forwarding state [ 4376.403633][T19387] br0: port 1(eth1) entered disabled state [ 4376.406560][T19387] br0: port 1(eth1) entered blocking state [ 4376.406906][T19387] br0: port 1(eth1) entered forwarding state [ 4384.761449][T19432] eth1: left allmulticast mode [ 4384.761731][T19432] eth1: left promiscuous mode [ 4384.762075][T19432] br0: port 1(eth1) entered disabled state [ 4391.792554][T19511] eth1: renamed from tmp [ 4392.148753][T19515] eth2: renamed from tmp [ 4414.616273][T19658] eth1: renamed from tmp