[   13.974512][  T256] ip (256) used greatest stack depth: 23784 bytes left
[   14.624995][  T261] ip (261) used greatest stack depth: 23696 bytes left
[   16.105666][    C2] 
[   16.105962][    C2] =============================
[   16.106226][    C2] WARNING: suspicious RCU usage
[   16.106475][    C2] 6.15.0-rc1-virtme #1 Not tainted
[   16.106721][    C2] -----------------------------
[   16.106956][    C2] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage!
[   16.107327][    C2] 
[   16.107327][    C2] other info that might help us debug this:
[   16.107327][    C2] 
[   16.107783][    C2] 
[   16.107783][    C2] rcu_scheduler_active = 2, debug_locks = 1
[   16.108148][    C2] no locks held by ksoftirqd/2/27.
[   16.108392][    C2] 
[   16.108392][    C2] stack backtrace:
[   16.108689][    C2] CPU: 2 UID: 0 PID: 27 Comm: ksoftirqd/2 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) 
[   16.108693][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.108695][    C2] Call Trace:
[   16.108697][    C2]  <TASK>
[   16.108700][    C2]  dump_stack_lvl+0xb0/0xd0
[   16.108711][    C2]  lockdep_rcu_suspicious+0x166/0x270
[   16.108721][    C2]  veth_xdp_rcv+0x824/0xc10
[   16.108728][    C2]  ? kasan_quarantine_put+0x10d/0x230
[   16.108741][    C2]  ? __pfx_veth_xdp_rcv+0x10/0x10
[   16.108744][    C2]  ? arp_process+0x827/0x2180
[   16.108753][    C2]  ? arp_process+0x831/0x2180
[   16.108767][    C2]  veth_poll+0x121/0x400
[   16.108772][    C2]  ? __pfx_veth_poll+0x10/0x10
[   16.108783][    C2]  ? find_held_lock+0x2b/0x80
[   16.108789][    C2]  ? process_backlog+0xbba/0x13e0
[   16.108792][    C2]  ? __lock_release+0x5d/0x170
[   16.108798][    C2]  ? rcu_is_watching+0x12/0xc0
[   16.108803][    C2]  ? _raw_spin_unlock_irq+0x28/0x50
[   16.108810][    C2]  ? _raw_spin_unlock_irq+0x33/0x50
[   16.108814][    C2]  ? process_backlog+0xbba/0x13e0
[   16.108819][    C2]  ? rcu_is_watching+0x12/0xc0
[   16.108826][    C2]  __napi_poll.constprop.0+0xa2/0x460
[   16.108829][    C2]  ? rcu_is_watching+0x12/0xc0
[   16.108835][    C2]  net_rx_action+0x542/0xd00
[   16.108845][    C2]  ? lockdep_hardirqs_on+0x7c/0x110
[   16.108849][    C2]  ? __pfx_net_rx_action+0x10/0x10
[   16.108852][    C2]  ? rcu_is_watching+0x12/0xc0
[   16.108856][    C2]  ? trace_sched_exit_tp+0xdb/0x140
[   16.108863][    C2]  ? __schedule+0x86a/0x1b00
[   16.108872][    C2]  ? __pfx___schedule+0x10/0x10
[   16.108885][    C2]  handle_softirqs+0x218/0x620
[   16.108894][    C2]  ? __pfx_run_ksoftirqd+0x10/0x10
[   16.108900][    C2]  run_ksoftirqd+0x3f/0x70
[   16.108903][    C2]  smpboot_thread_fn+0x307/0x960
[   16.108908][    C2]  ? __pfx_smpboot_thread_fn+0x10/0x10
[   16.108913][    C2]  kthread+0x37b/0x600
[   16.108918][    C2]  ? __pfx_kthread+0x10/0x10
[   16.108920][    C2]  ? ret_from_fork+0x1b/0x70
[   16.108924][    C2]  ? __lock_release+0x5d/0x170
[   16.108929][    C2]  ? rcu_is_watching+0x12/0xc0
[   16.108933][    C2]  ? __pfx_kthread+0x10/0x10
[   16.108938][    C2]  ret_from_fork+0x31/0x70
[   16.108941][    C2]  ? __pfx_kthread+0x10/0x10
[   16.108944][    C2]  ret_from_fork_asm+0x1a/0x30
[   16.108959][    C2]  </TASK>