[   14.269295][  T261] ip (261) used greatest stack depth: 23800 bytes left
[   20.632064][    C0] 
[   20.632348][    C0] =============================
[   20.632629][    C0] WARNING: suspicious RCU usage
[   20.632894][    C0] 6.15.0-rc1-virtme #1 Not tainted
[   20.633155][    C0] -----------------------------
[   20.633421][    C0] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage!
[   20.633808][    C0] 
[   20.633808][    C0] other info that might help us debug this:
[   20.633808][    C0] 
[   20.634308][    C0] 
[   20.634308][    C0] rcu_scheduler_active = 2, debug_locks = 1
[   20.634704][    C0] no locks held by udpgso_bench_tx/317.
[   20.634973][    C0] 
[   20.634973][    C0] stack backtrace:
[   20.635313][    C0] CPU: 0 UID: 0 PID: 317 Comm: udpgso_bench_tx Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) 
[   20.635318][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.635320][    C0] Call Trace:
[   20.635322][    C0]  <IRQ>
[   20.635324][    C0]  dump_stack_lvl+0xb0/0xd0
[   20.635336][    C0]  lockdep_rcu_suspicious+0x166/0x270
[   20.635349][    C0]  veth_xdp_rcv+0x824/0xc10
[   20.635359][    C0]  ? _raw_spin_unlock_irqrestore+0x46/0x80
[   20.635368][    C0]  ? debug_object_activate+0x387/0x490
[   20.635378][    C0]  ? __pfx_debug_object_activate+0x10/0x10
[   20.635383][    C0]  ? __pfx_veth_xdp_rcv+0x10/0x10
[   20.635390][    C0]  ? mark_held_locks+0x49/0x80
[   20.635396][    C0]  ? _raw_spin_unlock_irqrestore+0x5d/0x80
[   20.635400][    C0]  ? lockdep_hardirqs_on+0x7c/0x110
[   20.635404][    C0]  ? _raw_spin_unlock_irqrestore+0x46/0x80
[   20.635409][    C0]  ? __mod_timer+0x67c/0xb70
[   20.635422][    C0]  veth_poll+0x121/0x400
[   20.635426][    C0]  ? __pfx_veth_poll+0x10/0x10
[   20.635438][    C0]  ? addrconf_rs_timer+0x452/0x730
[   20.635448][    C0]  ? rcu_read_lock_any_held+0x43/0xb0
[   20.635453][    C0]  ? validate_chain+0x166/0x4d0
[   20.635464][    C0]  ? rcu_read_lock_any_held+0x43/0xb0
[   20.635467][    C0]  ? validate_chain+0x166/0x4d0
[   20.635474][    C0]  __napi_poll.constprop.0+0xa2/0x460
[   20.635480][    C0]  ? rcu_is_watching+0x12/0xc0
[   20.635486][    C0]  net_rx_action+0x542/0xd00
[   20.635498][    C0]  ? __pfx_net_rx_action+0x10/0x10
[   20.635501][    C0]  ? sched_balance_domains+0x269/0xc80
[   20.635519][    C0]  ? __pfx_sched_balance_domains+0x10/0x10
[   20.635522][    C0]  ? __lock_release+0x5d/0x170
[   20.635533][    C0]  handle_softirqs+0x218/0x620
[   20.635548][    C0]  __irq_exit_rcu+0xfa/0x160
[   20.635551][    C0]  irq_exit_rcu+0xe/0x30
[   20.635555][    C0]  sysvec_apic_timer_interrupt+0xa8/0xc0
[   20.635562][    C0]  </IRQ>
[   20.635562][    C0]  <TASK>
[   20.635565][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[   20.635569][    C0] RIP: 0010:do_user_addr_fault+0x187/0xe00
[   20.635576][    C0] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b6 0a 00 00 41 f6 87 91 00 00 00 02 0f 84 82 04 00 00 e8 ef 3f 42 00 fb 0f 1f 44 00 00 <48> 89 e8 48 89 e9 4c 89 f2 83 e0 40 0f 95 c3 48 89 44 24 08 48 89
[   20.635578][    C0] RSP: 0000:ffffc900006a7eb8 EFLAGS: 00000202
[   20.635582][    C0] RAX: 0000000000004b6b RBX: ffff888009984640 RCX: ffffffff94a48d5f
[   20.635584][    C0] RDX: 0000000000000000 RSI: ffffffff97f0b5e2 RDI: ffffffff976539c0
[   20.635586][    C0] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000001
[   20.635587][    C0] R10: ffffffff9946f097 R11: 0000000000000000 R12: 000000000044a000
[   20.635589][    C0] R13: ffff88800c665040 R14: ffffc900006a7fe0 R15: ffffc900006a7f58
[   20.635597][    C0]  ? trace_irq_enable.constprop.0+0x2f/0x130
[   20.635607][    C0]  ? do_user_addr_fault+0x181/0xe00
[   20.635613][    C0]  ? rcu_is_watching+0x12/0xc0
[   20.635619][    C0]  exc_page_fault+0x5e/0xd0
[   20.635625][    C0]  asm_exc_page_fault+0x26/0x30
[   20.635628][    C0] RIP: 0033:0x7fd8616d4a4c
[   20.635632][    C0] Code: 00 00 00 74 a0 83 f9 c0 0f 87 56 fe ff ff 62 e1 fe 28 6f 4e 01 48 29 fe 48 83 c7 3f 49 8d 0c 10 48 83 e7 c0 48 01 fe 48 29 f9 <f3> a4 62 c1 fe 28 7f 00 62 c1 fe 28 7f 48 01 c3 0f 1f 40 00 4c 8b
[   20.635634][    C0] RSP: 002b:00007ffd6c2ccc68 EFLAGS: 00010202
[   20.635637][    C0] RAX: 000000000044513c RBX: 0000000000000001 RCX: 000000000000b13b
[   20.635638][    C0] RDX: 000000000000ffff RSI: 000000000040a004 RDI: 000000000044a000
[   20.635640][    C0] RBP: 00007ffd6c2ccdb0 R08: 000000000044513c R09: 00007ffd6c2ccc24
[   20.635642][    C0] R10: 00007fd86161beb8 R11: 00007fd8616d4700 R12: 000000000000000a
[   20.635643][    C0] R13: 00007ffd6c2ccec8 R14: 00000000ffffffff R15: 00007fd861857000
[   20.635657][    C0]  </TASK>