[  148.249613][    C1] 
[  148.249834][    C1] =============================
[  148.250067][    C1] WARNING: suspicious RCU usage
[  148.250302][    C1] 6.15.0-rc1-virtme #1 Not tainted
[  148.250532][    C1] -----------------------------
[  148.250785][    C1] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage!
[  148.251127][    C1] 
[  148.251127][    C1] other info that might help us debug this:
[  148.251127][    C1] 
[  148.251589][    C1] 
[  148.251589][    C1] rcu_scheduler_active = 2, debug_locks = 1
[  148.251928][    C1] no locks held by ksoftirqd/1/22.
[  148.252240][    C1] 
[  148.252240][    C1] stack backtrace:
[  148.252533][    C1] CPU: 1 UID: 0 PID: 22 Comm: ksoftirqd/1 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) 
[  148.252538][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.252540][    C1] Call Trace:
[  148.252543][    C1]  <TASK>
[  148.252545][    C1]  dump_stack_lvl+0xb0/0xd0
[  148.252561][    C1]  lockdep_rcu_suspicious+0x166/0x270
[  148.252573][    C1]  veth_xdp_rcv+0x824/0xc10
[  148.252582][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  148.252589][    C1]  ? arch_stack_walk+0x8b/0xf0
[  148.252599][    C1]  ? __pfx_veth_xdp_rcv+0x10/0x10
[  148.252604][    C1]  ? ret_from_fork_asm+0x1a/0x30
[  148.252615][    C1]  ? rcu_read_lock_any_held+0x7e/0xb0
[  148.252621][    C1]  ? stack_depot_save_flags+0x42e/0x7a0
[  148.252630][    C1]  ? validate_chain+0x166/0x4d0
[  148.252640][    C1]  veth_poll+0x121/0x400
[  148.252644][    C1]  ? __pfx_veth_poll+0x10/0x10
[  148.252647][    C1]  ? rcu_do_batch+0x34c/0xf20
[  148.252659][    C1]  ? dl_scaled_delta_exec+0xe0/0x2e0
[  148.252670][    C1]  ? rcu_read_lock_any_held+0x43/0xb0
[  148.252672][    C1]  ? validate_chain+0x166/0x4d0
[  148.252681][    C1]  ? __lock_acquire+0x591/0x9d0
[  148.252692][    C1]  __napi_poll.constprop.0+0xa2/0x460
[  148.252697][    C1]  ? rcu_is_watching+0x12/0xc0
[  148.252706][    C1]  net_rx_action+0x542/0xd00
[  148.252717][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  148.252723][    C1]  ? _raw_spin_unlock_irq+0x28/0x50
[  148.252732][    C1]  ? _raw_spin_unlock_irq+0x33/0x50
[  148.252750][    C1]  handle_softirqs+0x218/0x620
[  148.252760][    C1]  ? __pfx_run_ksoftirqd+0x10/0x10
[  148.252766][    C1]  run_ksoftirqd+0x3f/0x70
[  148.252770][    C1]  smpboot_thread_fn+0x307/0x960
[  148.252775][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  148.252780][    C1]  kthread+0x37b/0x600
[  148.252785][    C1]  ? __pfx_kthread+0x10/0x10
[  148.252787][    C1]  ? ret_from_fork+0x1b/0x70
[  148.252791][    C1]  ? __lock_release+0x5d/0x170
[  148.252796][    C1]  ? rcu_is_watching+0x12/0xc0
[  148.252799][    C1]  ? __pfx_kthread+0x10/0x10
[  148.252804][    C1]  ret_from_fork+0x31/0x70
[  148.252807][    C1]  ? __pfx_kthread+0x10/0x10
[  148.252811][    C1]  ret_from_fork_asm+0x1a/0x30
[  148.252825][    C1]  </TASK>
[  185.006272][ T2583] udpgso_bench_tx (2583) used greatest stack depth: 23984 bytes left
[  217.732474][ T2863] udpgso_bench_tx (2863) used greatest stack depth: 23296 bytes left
[  225.467307][ T2941] udpgso_bench_tx (2941) used greatest stack depth: 22728 bytes left