[ 14.338393][ T294] eth1: renamed from tmp
[ 56.216280][ C2]
[ 56.216768][ C2] =============================
[ 56.216978][ C2] WARNING: suspicious RCU usage
[ 56.217228][ C2] 6.13.0-virtme #1 Not tainted
[ 56.217427][ C2] -----------------------------
[ 56.217628][ C2] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 56.217950][ C2]
[ 56.217950][ C2] other info that might help us debug this:
[ 56.217950][ C2]
[ 56.218325][ C2]
[ 56.218325][ C2] rcu_scheduler_active = 2, debug_locks = 1
[ 56.218606][ C2] 1 lock held by swapper/2/0:
[ 56.218806][ C2] #0: ffffc90000238d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 56.219170][ C2]
[ 56.219170][ C2] stack backtrace:
[ 56.219412][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.13.0-virtme #1
[ 56.219418][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.219421][ C2] Call Trace:
[ 56.219425][ C2]
[ 56.219432][ C2] dump_stack_lvl+0xb0/0xd0
[ 56.219450][ C2] lockdep_rcu_suspicious+0x1ea/0x280
[ 56.219473][ C2] __icmp_send+0xafd/0x1570
[ 56.219491][ C2] ? update_sg_lb_stats.constprop.0+0x9d1/0x1320
[ 56.219520][ C2] ? __pfx___icmp_send+0x10/0x10
[ 56.219535][ C2] ? update_sd_lb_stats.constprop.0+0x14d/0xc60
[ 56.219543][ C2] ? rcu_read_lock_any_held+0x43/0xb0
[ 56.219549][ C2] ? validate_chain+0x1fe/0xae0
[ 56.219562][ C2] ? __pfx_validate_chain+0x10/0x10
[ 56.219566][ C2] ? hlock_class+0x4e/0x130
[ 56.219570][ C2] ? mark_lock+0x38/0x3e0
[ 56.219580][ C2] ? __lock_acquire+0xb9a/0x1680
[ 56.219590][ C2] ipv4_send_dest_unreach+0x3b5/0x820
[ 56.219598][ C2] ? neigh_invalidate+0x1c7/0x540
[ 56.219604][ C2] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 56.219619][ C2] ipv4_link_failure+0x1b/0x190
[ 56.219625][ C2] arp_error_report+0x96/0x170
[ 56.219632][ C2] neigh_invalidate+0x209/0x540
[ 56.219642][ C2] neigh_timer_handler+0x87a/0xdf0
[ 56.219651][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 56.219655][ C2] call_timer_fn+0x13b/0x230
[ 56.219658][ C2] ? call_timer_fn+0xe8/0x230
[ 56.219661][ C2] ? call_timer_fn+0xe8/0x230
[ 56.219665][ C2] ? __pfx_call_timer_fn+0x10/0x10
[ 56.219668][ C2] ? mark_lock+0x38/0x3e0
[ 56.219687][ C2] __run_timers+0x545/0x810
[ 56.219691][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 56.219702][ C2] ? __pfx___run_timers+0x10/0x10
[ 56.219704][ C2] ? clockevents_program_event+0xf6/0x300
[ 56.219717][ C2] ? do_raw_spin_lock+0x131/0x270
[ 56.219722][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 56.219726][ C2] ? lock_acquire+0x32/0xc0
[ 56.219729][ C2] ? run_timer_softirq+0xe6/0x1c0
[ 56.219739][ C2] run_timer_softirq+0xee/0x1c0
[ 56.219745][ C2] handle_softirqs+0x1f6/0x5c0
[ 56.219759][ C2] __irq_exit_rcu+0xc4/0x100
[ 56.219763][ C2] irq_exit_rcu+0xe/0x20
[ 56.219766][ C2] sysvec_apic_timer_interrupt+0x78/0x90
[ 56.219773][ C2]
[ 56.219774][ C2]
[ 56.219776][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 56.219782][ C2] RIP: 0010:default_idle+0xf/0x20
[ 56.219787][ C2] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 03 ac 0f 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 56.219790][ C2] RSP: 0018:ffffc90000167df8 EFLAGS: 00000246
[ 56.219793][ C2] RAX: 0000000000085739 RBX: 1ffff9200002cfc1 RCX: ffffffff88166b35
[ 56.219795][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff857733d4
[ 56.219797][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100da2703a
[ 56.219799][ C2] R10: ffff88806d1381d3 R11: ffff888001bd8040 R12: 0000000000000000
[ 56.219801][ C2] R13: ffff888001bd8040 R14: dffffc0000000000 R15: 0000000000000000
[ 56.219811][ C2] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 56.219815][ C2] ? cpuidle_idle_call+0x1f4/0x280
[ 56.219822][ C2] default_idle_call+0x6d/0xb0
[ 56.219825][ C2] cpuidle_idle_call+0x1f4/0x280
[ 56.219829][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 56.219835][ C2] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 56.219847][ C2] do_idle+0xf6/0x160
[ 56.219852][ C2] cpu_startup_entry+0x54/0x60
[ 56.219856][ C2] start_secondary+0x21e/0x2b0
[ 56.219860][ C2] ? __pfx_start_secondary+0x10/0x10
[ 56.219871][ C2] common_startup_64+0x12c/0x138
[ 56.219891][ C2]
[ 76.623027][ T495] ip (495) used greatest stack depth: 23824 bytes left
[ 81.341810][ T549] eth1: renamed from tmp
[ 149.165963][ T802] eth1: renamed from tmp
[ 217.238556][ T1054] eth1: renamed from tmp
[ 285.063250][ T1315] eth1: renamed from tmp
[ 353.830826][ T1578] eth1: renamed from tmp
[ 695.736002][ T2430] eth1: renamed from tmp
[ 730.389676][ T2568] eth2: renamed from tmp
[ 946.871001][ T3141] eth1: renamed from tmp
[ 1292.987289][ T4067] eth1: renamed from tmp
[ 1426.887060][ T4551] eth1: renamed from tmp
[ 1462.570750][ T4716] eth1: renamed from tmp
[ 1517.438027][ T4945] eth1: renamed from tmp
[ 1534.249733][ T5059] eth1: renamed from tmp
[ 1550.850598][ T5173] eth1: renamed from tmp
[ 1567.344911][ T5287] eth1: renamed from tmp
[ 1569.218196][ T5313] ip (5313) used greatest stack depth: 23776 bytes left
[ 1585.096832][ T5405] eth1: renamed from tmp
[ 1602.631801][ T5523] eth1: renamed from tmp
[ 1620.472567][ T5641] eth1: renamed from tmp
[ 1638.615838][ T5759] eth1: renamed from tmp
[ 1656.531971][ T5878] eth1: renamed from tmp
[ 1674.384158][ T5996] eth1: renamed from tmp
[ 1692.193944][ T6114] eth1: renamed from tmp
[ 1709.790256][ T6232] eth1: renamed from tmp
[ 1727.240683][ T6350] eth1: renamed from tmp
[ 1744.747712][ T6468] eth1: renamed from tmp
[ 1761.700009][ T6586] eth1: renamed from tmp
[ 1778.484477][ T6704] eth1: renamed from tmp
[ 1795.710751][ T6822] eth1: renamed from tmp
[ 1812.580498][ T6940] eth1: renamed from tmp
[ 1829.304763][ T7059] eth1: renamed from tmp
[ 1846.047011][ T7177] eth1: renamed from tmp
[ 1862.889780][ T7295] eth1: renamed from tmp
[ 1880.147887][ T7413] eth1: renamed from tmp
[ 1897.114935][ T7532] eth1: renamed from tmp
[ 1913.910556][ T7650] eth1: renamed from tmp
[ 1930.581560][ T7768] eth1: renamed from tmp
[ 1947.609675][ T7886] eth1: renamed from tmp
[ 1964.328653][ T8004] eth1: renamed from tmp
[ 1981.142560][ T8122] eth1: renamed from tmp
[ 1997.716773][ T8240] eth1: renamed from tmp
[ 2014.560851][ T8359] eth1: renamed from tmp
[ 2031.479455][ T8477] eth1: renamed from tmp
[ 2048.083242][ T8595] eth1: renamed from tmp
[ 2082.512806][ T8780] eth1: renamed from tmp
[ 2165.619956][ T9105] eth1: renamed from tmp
[ 2250.856560][ T9431] eth1: renamed from tmp
[ 2341.222956][ T9770] eth1: renamed from tmp
[ 2429.332910][T10108] eth1: renamed from tmp
[ 2713.556463][T10893] eth1: renamed from tmp
[ 2760.506457][T11075] eth2: renamed from tmp
[ 2971.842370][T11664] eth1: renamed from tmp
[ 3279.295645][T12701] eth1: renamed from tmp
[ 3435.199770][T13259] eth1: renamed from tmp
[ 3462.470980][T13403] eth1: renamed from tmp
[ 3501.075199][T13587] eth1: renamed from tmp
[ 3511.704317][ C3]
[ 3511.704597][ C3] =============================
[ 3511.704771][ C3] WARNING: suspicious RCU usage
[ 3511.704938][ C3] 6.13.0-virtme #1 Not tainted
[ 3511.705102][ C3] -----------------------------
[ 3511.705270][ C3] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 3511.705545][ C3]
[ 3511.705545][ C3] other info that might help us debug this:
[ 3511.705545][ C3]
[ 3511.705867][ C3]
[ 3511.705867][ C3] rcu_scheduler_active = 2, debug_locks = 1
[ 3511.706114][ C3] 1 lock held by swapper/3/0:
[ 3511.706277][ C3] #0: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 3511.706582][ C3]
[ 3511.706582][ C3] stack backtrace:
[ 3511.706789][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.13.0-virtme #1
[ 3511.706795][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3511.706799][ C3] Call Trace:
[ 3511.706802][ C3]
[ 3511.706810][ C3] dump_stack_lvl+0xb0/0xd0
[ 3511.706827][ C3] lockdep_rcu_suspicious+0x1ea/0x280
[ 3511.706850][ C3] icmp6_send+0x10c7/0x1c00
[ 3511.706870][ C3] ? update_sd_lb_stats.constprop.0+0x14d/0xc60
[ 3511.706901][ C3] ? __pfx_icmp6_send+0x10/0x10
[ 3511.706921][ C3] ? __pfx_validate_chain+0x10/0x10
[ 3511.706932][ C3] ? hlock_class+0x4e/0x130
[ 3511.706940][ C3] ? mark_lock+0x38/0x3e0
[ 3511.706966][ C3] ? __lock_acquire+0xb9a/0x1680
[ 3511.706983][ C3] ? find_held_lock+0x2c/0x110
[ 3511.707000][ C3] ? __lock_release+0x103/0x460
[ 3511.707008][ C3] ? neigh_invalidate+0x1c7/0x540
[ 3511.707020][ C3] ? __pfx___lock_release+0x10/0x10
[ 3511.707029][ C3] ? lock_acquire.part.0+0xeb/0x330
[ 3511.707060][ C3] ip6_link_failure+0x30/0x430
[ 3511.707079][ C3] ndisc_error_report+0x96/0x170
[ 3511.707094][ C3] neigh_invalidate+0x209/0x540
[ 3511.707118][ C3] neigh_timer_handler+0x87a/0xdf0
[ 3511.707143][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 3511.707152][ C3] call_timer_fn+0x13b/0x230
[ 3511.707160][ C3] ? call_timer_fn+0xe8/0x230
[ 3511.707167][ C3] ? call_timer_fn+0xe8/0x230
[ 3511.707178][ C3] ? __pfx_call_timer_fn+0x10/0x10
[ 3511.707186][ C3] ? mark_lock+0x38/0x3e0
[ 3511.707234][ C3] __run_timers+0x545/0x810
[ 3511.707243][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 3511.707271][ C3] ? __pfx___run_timers+0x10/0x10
[ 3511.707278][ C3] ? clockevents_program_event+0xf6/0x300
[ 3511.707303][ C3] ? do_raw_spin_lock+0x131/0x270
[ 3511.707315][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 3511.707325][ C3] ? lock_acquire+0x32/0xc0
[ 3511.707332][ C3] ? run_timer_softirq+0xe6/0x1c0
[ 3511.707358][ C3] run_timer_softirq+0xee/0x1c0
[ 3511.707372][ C3] handle_softirqs+0x1f6/0x5c0
[ 3511.707403][ C3] __irq_exit_rcu+0xc4/0x100
[ 3511.707412][ C3] irq_exit_rcu+0xe/0x20
[ 3511.707419][ C3] sysvec_apic_timer_interrupt+0x78/0x90
[ 3511.707430][ C3]
[ 3511.707432][ C3]
[ 3511.707438][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 3511.707448][ C3] RIP: 0010:default_idle+0xf/0x20
[ 3511.707455][ C3] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 03 ac 0f 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 3511.707461][ C3] RSP: 0018:ffffc90000177df8 EFLAGS: 00000242
[ 3511.707468][ C3] RAX: 0000000001a8e157 RBX: 1ffff9200002efc1 RCX: ffffffff88166b35
[ 3511.707472][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff857733d4
[ 3511.707477][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100da3703a
[ 3511.707481][ C3] R10: ffff88806d1b81d3 R11: ffff888001bda300 R12: 0000000000000000
[ 3511.707485][ C3] R13: ffff888001bda300 R14: dffffc0000000000 R15: 0000000000000000
[ 3511.707510][ C3] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 3511.707520][ C3] ? cpuidle_idle_call+0x1f4/0x280
[ 3511.707538][ C3] default_idle_call+0x6d/0xb0
[ 3511.707545][ C3] cpuidle_idle_call+0x1f4/0x280
[ 3511.707561][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 3511.707568][ C3] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 3511.707580][ C3] do_idle+0xf6/0x160
[ 3511.707585][ C3] cpu_startup_entry+0x54/0x60
[ 3511.707589][ C3] start_secondary+0x21e/0x2b0
[ 3511.707594][ C3] ? __pfx_start_secondary+0x10/0x10
[ 3511.707605][ C3] common_startup_64+0x12c/0x138
[ 3511.707625][ C3]
[ 3517.113805][T13702] eth1: renamed from tmp
[ 3531.333254][T13817] eth1: renamed from tmp
[ 3548.390619][T13935] eth1: renamed from tmp
[ 3565.339750][T14053] eth1: renamed from tmp
[ 3582.365803][T14171] eth1: renamed from tmp
[ 3599.573686][T14289] eth1: renamed from tmp
[ 3616.651125][T14407] eth1: renamed from tmp
[ 3633.828827][T14525] eth1: renamed from tmp
[ 3651.057011][T14642] eth1: renamed from tmp
[ 3668.196179][T14759] eth1: renamed from tmp
[ 3685.645677][T14877] eth1: renamed from tmp
[ 3702.618264][T14995] eth1: renamed from tmp
[ 3719.777615][T15113] eth1: renamed from tmp
[ 3736.923772][T15231] eth1: renamed from tmp
[ 3754.088126][T15350] eth1: renamed from tmp
[ 3771.111947][T15468] eth1: renamed from tmp
[ 3788.187814][T15587] eth1: renamed from tmp
[ 3805.355994][T15705] eth1: renamed from tmp
[ 3822.572461][T15823] eth1: renamed from tmp
[ 3839.617655][T15941] eth1: renamed from tmp
[ 3856.746988][T16059] eth1: renamed from tmp
[ 3874.066849][T16177] eth1: renamed from tmp
[ 3891.357096][T16295] eth1: renamed from tmp
[ 3908.339696][T16412] eth1: renamed from tmp
[ 3925.239881][T16530] eth1: renamed from tmp
[ 3942.094628][T16648] eth1: renamed from tmp
[ 3959.004659][T16766] eth1: renamed from tmp
[ 3976.014667][T16884] eth1: renamed from tmp
[ 3993.095885][T17002] eth1: renamed from tmp
[ 4010.057892][T17120] eth1: renamed from tmp
[ 4026.991575][T17238] eth1: renamed from tmp
[ 4043.860788][T17357] eth1: renamed from tmp
[ 4060.720596][T17475] eth1: renamed from tmp
[ 4077.598821][T17593] eth1: renamed from tmp
[ 4094.725645][T17711] eth1: renamed from tmp
[ 4111.718298][T17829] eth1: renamed from tmp
[ 4128.555880][T17947] eth1: renamed from tmp
[ 4145.722651][T18066] eth1: renamed from tmp
[ 4162.831744][T18183] eth1: renamed from tmp
[ 4179.951581][T18300] eth1: renamed from tmp
[ 4196.915887][T18418] eth1: renamed from tmp
[ 4213.825748][T18536] eth1: renamed from tmp
[ 4230.675886][T18655] eth1: renamed from tmp
[ 4247.617785][T18773] eth1: renamed from tmp
[ 4264.761454][T18891] eth1: renamed from tmp
[ 4281.809822][T19009] eth1: renamed from tmp
[ 4298.971666][T19127] eth1: renamed from tmp
[ 4334.533629][T19308] eth1: renamed from tmp
[ 4338.850349][T19356] br0: port 1(eth1) entered blocking state
[ 4338.850616][T19356] br0: port 1(eth1) entered disabled state
[ 4338.850856][T19356] eth1: entered allmulticast mode
[ 4338.852113][T19356] eth1: entered promiscuous mode
[ 4339.174260][T19360] br0: port 1(eth1) entered blocking state
[ 4339.174732][T19360] br0: port 1(eth1) entered forwarding state
[ 4339.350983][T19362] br0: port 1(eth1) entered disabled state
[ 4339.352609][T19362] br0: port 1(eth1) entered blocking state
[ 4339.352945][T19362] br0: port 1(eth1) entered forwarding state
[ 4339.364768][T19362] ip (19362) used greatest stack depth: 23536 bytes left
[ 4350.448142][T19391] br0: port 1(eth1) entered disabled state
[ 4350.452173][T19391] br0: port 1(eth1) entered blocking state
[ 4350.452501][T19391] br0: port 1(eth1) entered forwarding state
[ 4358.780150][T19436] eth1: left allmulticast mode
[ 4358.780384][T19436] eth1: left promiscuous mode
[ 4358.780720][T19436] br0: port 1(eth1) entered disabled state
[ 4365.885784][T19514] eth1: renamed from tmp
[ 4366.241627][T19518] eth2: renamed from tmp
[ 4389.357617][T19661] eth1: renamed from tmp