[  589.159563][    C3] 
[  589.159842][    C3] =============================
[  589.160118][    C3] WARNING: suspicious RCU usage
[  589.160390][    C3] 6.15.0-rc1-virtme #1 Not tainted
[  589.160674][    C3] -----------------------------
[  589.160945][    C3] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage!
[  589.161354][    C3] 
[  589.161354][    C3] other info that might help us debug this:
[  589.161354][    C3] 
[  589.161903][    C3] 
[  589.161903][    C3] rcu_scheduler_active = 2, debug_locks = 1
[  589.162313][    C3] 1 lock held by udpgso_bench_tx/7179:
[  589.162606][    C3]  #0: ffff88800a95c0c0 (&sb->s_type->i_mutex_key#6){+.+.}-{4:4}, at: __sock_release+0x7b/0x260
[  589.163167][    C3] 
[  589.163167][    C3] stack backtrace:
[  589.163510][    C3] CPU: 3 UID: 0 PID: 7179 Comm: udpgso_bench_tx Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) 
[  589.163515][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  589.163517][    C3] Call Trace:
[  589.163519][    C3]  <IRQ>
[  589.163522][    C3]  dump_stack_lvl+0xb0/0xd0
[  589.163532][    C3]  lockdep_rcu_suspicious+0x166/0x270
[  589.163545][    C3]  veth_xdp_rcv+0x824/0xc10
[  589.163556][    C3]  ? kasan_quarantine_put+0x10d/0x230
[  589.163565][    C3]  ? lockdep_hardirqs_on+0x7c/0x110
[  589.163578][    C3]  ? __pfx_veth_xdp_rcv+0x10/0x10
[  589.163582][    C3]  ? arp_process+0x827/0x2180
[  589.163592][    C3]  ? arp_process+0x831/0x2180
[  589.163606][    C3]  veth_poll+0x121/0x400
[  589.163611][    C3]  ? __pfx_veth_poll+0x10/0x10
[  589.163623][    C3]  ? find_held_lock+0x2b/0x80
[  589.163630][    C3]  ? rcu_is_watching+0x12/0xc0
[  589.163637][    C3]  ? trace_pelt_se_tp+0xf1/0x160
[  589.163642][    C3]  ? __update_load_avg_se+0x3fd/0x940
[  589.163660][    C3]  __napi_poll.constprop.0+0xa2/0x460
[  589.163669][    C3]  net_rx_action+0x542/0xd00
[  589.163681][    C3]  ? __pfx_net_rx_action+0x10/0x10
[  589.163684][    C3]  ? try_to_wake_up+0x787/0xde0
[  589.163688][    C3]  ? lock_downgrade+0x80/0xc0
[  589.163696][    C3]  ? do_raw_spin_unlock+0x58/0x220
[  589.163702][    C3]  ? try_to_wake_up+0x157/0xde0
[  589.163708][    C3]  ? __pfx_try_to_wake_up+0x10/0x10
[  589.163720][    C3]  handle_softirqs+0x218/0x620
[  589.163730][    C3]  ? udp_destroy_sock+0xbe/0x240
[  589.163736][    C3]  do_softirq+0xb1/0xe0
[  589.163740][    C3]  </IRQ>
[  589.163741][    C3]  <TASK>
[  589.163742][    C3]  __local_bh_enable_ip+0x105/0x130
[  589.163747][    C3]  udp_destroy_sock+0xbe/0x240
[  589.163752][    C3]  sk_common_release+0x60/0x2d0
[  589.163760][    C3]  inet_release+0x106/0x230
[  589.163767][    C3]  __sock_release+0xa3/0x260
[  589.163773][    C3]  sock_close+0x18/0x20
[  589.163775][    C3]  __fput+0x35c/0xa80
[  589.163788][    C3]  fput_close_sync+0xf0/0x150
[  589.163792][    C3]  ? __pfx_fput_close_sync+0x10/0x10
[  589.163803][    C3]  __x64_sys_close+0x7d/0xd0
[  589.163810][    C3]  do_syscall_64+0xc1/0x1d0
[  589.163815][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  589.163820][    C3] RIP: 0033:0x7f45d88e1227
[  589.163825][    C3] Code: ff e8 9d e3 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 e3 c9 f5 ff
[  589.163827][    C3] RSP: 002b:00007ffddd23d148 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[  589.163831][    C3] RAX: ffffffffffffffda RBX: 00000000000032c8 RCX: 00007f45d88e1227
[  589.163833][    C3] RDX: 0000000000000000 RSI: 00007ffddd23d1e0 RDI: 0000000000000005
[  589.163835][    C3] RBP: 00007ffddd23d290 R08: 00000000000032c8 R09: 00007ffddd23d130
[  589.163837][    C3] R10: 00007f45d87afef8 R11: 0000000000000246 R12: 0000000000000005
[  589.163838][    C3] R13: 0000000000405140 R14: 00000000ffffffff R15: 00007f45d89ef000
[  589.163852][    C3]  </TASK>
[  659.746203][ T7771] udpgso_bench_tx (7771) used greatest stack depth: 23296 bytes left