[ 17.754019][ T296] eth1: renamed from tmp [ 17.765397][ T296] ip (296) used greatest stack depth: 24144 bytes left [ 81.288446][ T497] ip (497) used greatest stack depth: 23952 bytes left [ 85.731793][ T550] eth1: renamed from tmp [ 154.229195][ T803] eth1: renamed from tmp [ 222.334759][ T1055] eth1: renamed from tmp [ 289.978722][ T1316] eth1: renamed from tmp [ 357.622141][ T1580] eth1: renamed from tmp [ 698.620439][ T2431] eth1: renamed from tmp [ 733.407261][ T2569] eth2: renamed from tmp [ 948.628180][ T3142] eth1: renamed from tmp [ 1288.342943][ T4010] ip (4010) used greatest stack depth: 23624 bytes left [ 1292.668140][ T4069] eth1: renamed from tmp [ 1425.236585][ T4552] eth1: renamed from tmp [ 1460.152710][ T4718] eth1: renamed from tmp [ 1512.942788][ T4945] eth1: renamed from tmp [ 1529.069731][ T5059] eth1: renamed from tmp [ 1545.283020][ T5173] eth1: renamed from tmp [ 1561.255977][ T5287] eth1: renamed from tmp [ 1578.281852][ T5405] eth1: renamed from tmp [ 1595.906402][ T5523] eth1: renamed from tmp [ 1613.020790][ T5641] eth1: renamed from tmp [ 1630.199922][ T5759] eth1: renamed from tmp [ 1647.482606][ T5877] eth1: renamed from tmp [ 1665.087308][ T5995] eth1: renamed from tmp [ 1682.397002][ T6113] eth1: renamed from tmp [ 1699.559314][ T6231] eth1: renamed from tmp [ 1716.717503][ T6350] eth1: renamed from tmp [ 1734.183692][ T6468] eth1: renamed from tmp [ 1751.484576][ T6586] eth1: renamed from tmp [ 1768.752750][ T6705] eth1: renamed from tmp [ 1785.871850][ T6823] eth1: renamed from tmp [ 1803.323610][ T6941] eth1: renamed from tmp [ 1820.118962][ T7060] eth1: renamed from tmp [ 1837.106407][ T7178] eth1: renamed from tmp [ 1854.049525][ T7296] eth1: renamed from tmp [ 1870.947133][ T7414] eth1: renamed from tmp [ 1887.747301][ T7532] eth1: renamed from tmp [ 1904.806853][ T7650] eth1: renamed from tmp [ 1921.687561][ T7768] eth1: renamed from tmp [ 1938.415596][ T7886] eth1: renamed from tmp [ 1955.262607][ T8006] eth1: renamed from tmp [ 1972.001856][ T8124] eth1: renamed from tmp [ 1989.044560][ T8242] eth1: renamed from tmp [ 2006.138622][ T8361] eth1: renamed from tmp [ 2022.941499][ T8479] eth1: renamed from tmp [ 2039.595775][ T8597] eth1: renamed from tmp [ 2073.641518][ T8781] eth1: renamed from tmp [ 2124.820178][ T8945] [ 2124.820563][ T8945] ============================= [ 2124.820747][ T8945] WARNING: suspicious RCU usage [ 2124.820926][ T8945] 6.13.0-rc3-virtme #1 Not tainted [ 2124.821104][ T8945] ----------------------------- [ 2124.821296][ T8945] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 2124.821554][ T8945] [ 2124.821554][ T8945] other info that might help us debug this: [ 2124.821554][ T8945] [ 2124.821883][ T8945] [ 2124.821883][ T8945] rcu_scheduler_active = 2, debug_locks = 1 [ 2124.822129][ T8945] 1 lock held by ping6/8945: [ 2124.822317][ T8945] #0: ffff88800ce62e58 (sk_lock-AF_INET6){+.+.}-{0:0}, at: udpv6_connect+0x25/0x250 [ 2124.822637][ T8945] [ 2124.822637][ T8945] stack backtrace: [ 2124.823106][ T8945] CPU: 2 UID: 0 PID: 8945 Comm: ping6 Not tainted 6.13.0-rc3-virtme #1 [ 2124.823367][ T8945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2124.823566][ T8945] Call Trace: [ 2124.823690][ T8945] [ 2124.823778][ T8945] dump_stack_lvl+0xb0/0xd0 [ 2124.823946][ T8945] lockdep_rcu_suspicious+0x1ea/0x280 [ 2124.824112][ T8945] dev_get_by_index_rcu+0x14f/0x190 [ 2124.824274][ T8945] ip6_create_rt_oif_rcu+0x4f/0x4a0 [ 2124.824435][ T8945] ? ip6_route_output_flags+0x2ab/0x480 [ 2124.824607][ T8945] ip6_dst_lookup_tail.constprop.0+0x3cb/0xa00 [ 2124.824815][ T8945] ? ip6_datagram_dst_update+0x4ed/0xc60 [ 2124.824980][ T8945] ip6_dst_lookup_flow+0x88/0x190 [ 2124.825140][ T8945] ? __pfx_ip6_dst_lookup_flow+0x10/0x10 [ 2124.825304][ T8945] ? ip6_datagram_dst_update+0x4ed/0xc60 [ 2124.825467][ T8945] ip6_datagram_dst_update+0x52d/0xc60 [ 2124.825638][ T8945] ? __pfx_ip6_datagram_dst_update+0x10/0x10 [ 2124.825859][ T8945] ? __ip6_datagram_connect+0x4ee/0x12f0 [ 2124.826018][ T8945] __ip6_datagram_connect+0x4ee/0x12f0 [ 2124.826178][ T8945] ? __lock_release+0x103/0x460 [ 2124.826346][ T8945] ? __pfx___ip6_datagram_connect+0x10/0x10 [ 2124.826547][ T8945] ? mark_held_locks+0x9e/0xe0 [ 2124.826713][ T8945] ? __pfx_inet_dgram_connect+0x10/0x10 [ 2124.826876][ T8945] ? udpv6_connect+0x33/0x250 [ 2124.827033][ T8945] udpv6_connect+0x33/0x250 [ 2124.827190][ T8945] ? inet_dgram_connect+0x128/0x2e0 [ 2124.827354][ T8945] __sys_connect+0x1a6/0x270 [ 2124.827521][ T8945] ? __pfx___sys_connect+0x10/0x10 [ 2124.827688][ T8945] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 2124.827887][ T8945] ? trace_rcu_segcb_stats+0x36/0x1e0 [ 2124.828053][ T8945] ? __sys_setsockopt+0xec/0x160 [ 2124.828232][ T8945] __x64_sys_connect+0x72/0xb0 [ 2124.828409][ T8945] do_syscall_64+0xc1/0x1d0 [ 2124.828585][ T8945] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2124.828800][ T8945] RIP: 0033:0x7fb9083ce5c7 [ 2124.828982][ T8945] 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 [ 2124.829586][ T8945] RSP: 002b:00007fff9bc6afa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 2124.829845][ T8945] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb9083ce5c7 [ 2124.830086][ T8945] RDX: 000000000000001c RSI: 000000000041861c RDI: 0000000000000006 [ 2124.830327][ T8945] RBP: 00007fff9bc6b290 R08: 00000000116994d0 R09: 0000000000000000 [ 2124.830569][ T8945] R10: 00007fb908286598 R11: 0000000000000246 R12: 00007fff9bc6b5e8 [ 2124.830818][ T8945] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007fb9084f5000 [ 2124.831076][ T8945] [ 2161.365688][ T9106] eth1: renamed from tmp [ 2249.765977][ T9432] eth1: renamed from tmp [ 2338.434492][ T9770] eth1: renamed from tmp [ 2427.159604][T10108] eth1: renamed from tmp [ 2710.085504][T10891] eth1: renamed from tmp [ 2756.120861][T11073] eth2: renamed from tmp [ 2966.363860][T11662] eth1: renamed from tmp [ 3311.491764][T12700] eth1: renamed from tmp [ 3465.671436][T13257] eth1: renamed from tmp [ 3492.677765][T13401] eth1: renamed from tmp [ 3530.395879][T13585] eth1: renamed from tmp [ 3546.259943][T13700] eth1: renamed from tmp [ 3560.195053][T13814] eth1: renamed from tmp [ 3577.051464][T13932] eth1: renamed from tmp [ 3593.643531][T14050] eth1: renamed from tmp [ 3610.416672][T14168] eth1: renamed from tmp [ 3627.078541][T14286] eth1: renamed from tmp [ 3643.860737][T14405] eth1: renamed from tmp [ 3660.882747][T14523] eth1: renamed from tmp [ 3677.920546][T14640] eth1: renamed from tmp [ 3694.755677][T14758] eth1: renamed from tmp [ 3711.484720][T14876] eth1: renamed from tmp [ 3728.194792][T14994] eth1: renamed from tmp [ 3744.826446][T15112] eth1: renamed from tmp [ 3761.640745][T15230] eth1: renamed from tmp [ 3778.533789][T15348] eth1: renamed from tmp [ 3795.362711][T15466] eth1: renamed from tmp [ 3812.510630][T15584] eth1: renamed from tmp [ 3829.548847][T15703] eth1: renamed from tmp [ 3846.450877][T15821] eth1: renamed from tmp [ 3863.390616][T15939] eth1: renamed from tmp [ 3880.232859][T16057] eth1: renamed from tmp [ 3897.131665][T16175] eth1: renamed from tmp [ 3914.622622][T16293] eth1: renamed from tmp [ 3932.081792][T16410] eth1: renamed from tmp [ 3949.676974][T16527] eth1: renamed from tmp [ 3967.346497][T16645] eth1: renamed from tmp [ 3984.295195][T16763] eth1: renamed from tmp [ 4001.376610][T16881] eth1: renamed from tmp [ 4018.400055][T16999] eth1: renamed from tmp [ 4035.366094][T17117] eth1: renamed from tmp [ 4052.286978][T17235] eth1: renamed from tmp [ 4069.353809][T17353] eth1: renamed from tmp [ 4086.438917][T17471] eth1: renamed from tmp [ 4103.834180][T17589] eth1: renamed from tmp [ 4120.995577][T17707] eth1: renamed from tmp [ 4138.021887][T17825] eth1: renamed from tmp [ 4155.035606][T17944] eth1: renamed from tmp [ 4171.931072][T18062] eth1: renamed from tmp [ 4188.729978][T18179] eth1: renamed from tmp [ 4205.652539][T18296] eth1: renamed from tmp [ 4222.396534][T18414] eth1: renamed from tmp [ 4239.267525][T18532] eth1: renamed from tmp [ 4256.248193][T18650] eth1: renamed from tmp [ 4273.150879][T18768] eth1: renamed from tmp [ 4289.963600][T18886] eth1: renamed from tmp [ 4306.672714][T19004] eth1: renamed from tmp [ 4323.514024][T19122] eth1: renamed from tmp [ 4358.578989][T19303] eth1: renamed from tmp [ 4362.849501][T19350] br0: port 1(eth1) entered blocking state [ 4362.849976][T19350] br0: port 1(eth1) entered disabled state [ 4362.856930][T19350] eth1: entered allmulticast mode [ 4362.859154][T19350] eth1: entered promiscuous mode [ 4363.171723][T19354] br0: port 1(eth1) entered blocking state [ 4363.172236][T19354] br0: port 1(eth1) entered forwarding state [ 4363.332125][T19356] br0: port 1(eth1) entered disabled state [ 4363.333803][T19356] br0: port 1(eth1) entered blocking state [ 4363.334100][T19356] br0: port 1(eth1) entered forwarding state [ 4374.468762][T19385] br0: port 1(eth1) entered disabled state [ 4374.472049][T19385] br0: port 1(eth1) entered blocking state [ 4374.472396][T19385] br0: port 1(eth1) entered forwarding state [ 4382.816159][T19430] eth1: left allmulticast mode [ 4382.816503][T19430] eth1: left promiscuous mode [ 4382.816823][T19430] br0: port 1(eth1) entered disabled state [ 4389.890636][T19509] eth1: renamed from tmp [ 4390.252515][T19513] eth2: renamed from tmp [ 4413.027480][T19657] eth1: renamed from tmp