[ 1026.556825][ C1]
[ 1026.557085][ C1] =============================
[ 1026.557357][ C1] WARNING: suspicious RCU usage
[ 1026.557622][ C1] 6.15.0-rc1-virtme #1 Not tainted
[ 1026.557910][ C1] -----------------------------
[ 1026.558180][ C1] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage!
[ 1026.558573][ C1]
[ 1026.558573][ C1] other info that might help us debug this:
[ 1026.558573][ C1]
[ 1026.559095][ C1]
[ 1026.559095][ C1] rcu_scheduler_active = 2, debug_locks = 1
[ 1026.559485][ C1] no locks held by udpgso_bench_tx/14016.
[ 1026.559758][ C1]
[ 1026.559758][ C1] stack backtrace:
[ 1026.560082][ C1] CPU: 1 UID: 0 PID: 14016 Comm: udpgso_bench_tx Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full)
[ 1026.560086][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1026.560088][ C1] Call Trace:
[ 1026.560090][ C1]
[ 1026.560092][ C1] dump_stack_lvl+0xb0/0xd0
[ 1026.560102][ C1] lockdep_rcu_suspicious+0x166/0x270
[ 1026.560112][ C1] veth_xdp_rcv+0x824/0xc10
[ 1026.560119][ C1] ? rcu_is_watching+0x12/0xc0
[ 1026.560125][ C1] ? trace_pelt_se_tp+0xf1/0x160
[ 1026.560129][ C1] ? __update_load_avg_se+0x3fd/0x940
[ 1026.560138][ C1] ? __pfx_veth_xdp_rcv+0x10/0x10
[ 1026.560145][ C1] ? place_entity+0x21/0x410
[ 1026.560149][ C1] ? rcu_read_lock_any_held+0x43/0xb0
[ 1026.560156][ C1] ? enqueue_entity+0x219/0x7e0
[ 1026.560168][ C1] veth_poll+0x121/0x400
[ 1026.560172][ C1] ? __pfx_veth_poll+0x10/0x10
[ 1026.560181][ C1] ? _raw_spin_unlock_irqrestore+0x5d/0x80
[ 1026.560187][ C1] ? lockdep_hardirqs_on+0x7c/0x110
[ 1026.560191][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x80
[ 1026.560198][ C1] ? rcu_read_lock_any_held+0x43/0xb0
[ 1026.560200][ C1] ? validate_chain+0x166/0x4d0
[ 1026.560204][ C1] ? validate_chain+0x166/0x4d0
[ 1026.560211][ C1] ? __lock_acquire+0x591/0x9d0
[ 1026.560222][ C1] __napi_poll.constprop.0+0xa2/0x460
[ 1026.560226][ C1] ? rcu_is_watching+0x12/0xc0
[ 1026.560232][ C1] net_rx_action+0x542/0xd00
[ 1026.560244][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 1026.560249][ C1] ? _raw_spin_unlock_irq+0x28/0x50
[ 1026.560255][ C1] ? _raw_spin_unlock_irq+0x33/0x50
[ 1026.560264][ C1] ? run_timer_softirq+0x1a/0x30
[ 1026.560268][ C1] ? __lock_release+0x5d/0x170
[ 1026.560272][ C1] ? rcu_is_watching+0x12/0xc0
[ 1026.560280][ C1] handle_softirqs+0x218/0x620
[ 1026.560288][ C1] ? inet_wait_for_connect+0x238/0x310
[ 1026.560294][ C1] do_softirq+0xb1/0xe0
[ 1026.560298][ C1]
[ 1026.560299][ C1]
[ 1026.560300][ C1] __local_bh_enable_ip+0x105/0x130
[ 1026.560305][ C1] inet_wait_for_connect+0x238/0x310
[ 1026.560311][ C1] ? __pfx_inet_wait_for_connect+0x10/0x10
[ 1026.560316][ C1] ? __pfx_woken_wake_function+0x10/0x10
[ 1026.560321][ C1] ? do_raw_spin_lock+0x130/0x270
[ 1026.560326][ C1] ? find_held_lock+0x2b/0x80
[ 1026.560334][ C1] __inet_stream_connect+0x3ce/0x9f0
[ 1026.560341][ C1] ? __pfx_inet_stream_connect+0x10/0x10
[ 1026.560344][ C1] inet_stream_connect+0x57/0xa0
[ 1026.560349][ C1] __sys_connect+0x1a5/0x270
[ 1026.560354][ C1] ? __pfx___sys_connect+0x10/0x10
[ 1026.560357][ C1] ? fd_install+0x18e/0x4f0
[ 1026.560364][ C1] ? fd_install+0x19d/0x4f0
[ 1026.560369][ C1] ? __sys_socket+0x166/0x1d0
[ 1026.560374][ C1] ? __pfx___sys_socket+0x10/0x10
[ 1026.560384][ C1] __x64_sys_connect+0x72/0xb0
[ 1026.560387][ C1] ? lockdep_hardirqs_on+0x7c/0x110
[ 1026.560390][ C1] do_syscall_64+0xc1/0x1d0
[ 1026.560396][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1026.560399][ C1] RIP: 0033:0x7f2dd7c395c7
[ 1026.560404][ C1] 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
[ 1026.560407][ C1] RSP: 002b:00007ffcdeb48bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 1026.560411][ C1] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2dd7c395c7
[ 1026.560413][ C1] RDX: 000000000000001c RSI: 0000000000a450e0 RDI: 0000000000000005
[ 1026.560415][ C1] RBP: 00007ffcdeb48d40 R08: 00007ffcdeb48b50 R09: 0000000000000000
[ 1026.560417][ C1] R10: 00007f2dd7af1598 R11: 0000000000000246 R12: 0000000000000005
[ 1026.560418][ C1] R13: 00007ffcdeb48e58 R14: 00000000ffffffff R15: 00007f2dd7d37000
[ 1026.560432][ C1]