[ 60.902751][ C2] [ 60.903054][ C2] ============================= [ 60.903298][ C2] WARNING: suspicious RCU usage [ 60.903543][ C2] 6.15.0-rc1-virtme #1 Not tainted [ 60.903782][ C2] ----------------------------- [ 60.904019][ C2] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 60.904376][ C2] [ 60.904376][ C2] other info that might help us debug this: [ 60.904376][ C2] [ 60.904829][ C2] [ 60.904829][ C2] rcu_scheduler_active = 2, debug_locks = 1 [ 60.905189][ C2] no locks held by ksoftirqd/2/27. [ 60.905432][ C2] [ 60.905432][ C2] stack backtrace: [ 60.905728][ C2] CPU: 2 UID: 0 PID: 27 Comm: ksoftirqd/2 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 60.905732][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.905734][ C2] Call Trace: [ 60.905736][ C2] [ 60.905738][ C2] dump_stack_lvl+0xb0/0xd0 [ 60.905748][ C2] lockdep_rcu_suspicious+0x166/0x270 [ 60.905758][ C2] veth_xdp_rcv+0x824/0xc10 [ 60.905764][ C2] ? validate_chain+0x166/0x4d0 [ 60.905773][ C2] ? __lock_acquire+0x591/0x9d0 [ 60.905778][ C2] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 60.905784][ C2] ? rcu_read_lock_any_held+0x43/0xb0 [ 60.905789][ C2] ? validate_chain+0x166/0x4d0 [ 60.905797][ C2] ? __lock_acquire+0x591/0x9d0 [ 60.905807][ C2] veth_poll+0x121/0x400 [ 60.905811][ C2] ? __pfx_veth_poll+0x10/0x10 [ 60.905820][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 60.905825][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 60.905831][ C2] ? find_held_lock+0x2b/0x80 [ 60.905836][ C2] ? rcu_read_lock_any_held+0x43/0xb0 [ 60.905839][ C2] ? validate_chain+0x166/0x4d0 [ 60.905847][ C2] ? __lock_acquire+0x591/0x9d0 [ 60.905858][ C2] __napi_poll.constprop.0+0xa2/0x460 [ 60.905861][ C2] ? rcu_is_watching+0x12/0xc0 [ 60.905868][ C2] net_rx_action+0x542/0xd00 [ 60.905880][ C2] ? __pfx_net_rx_action+0x10/0x10 [ 60.905885][ C2] ? _raw_spin_unlock_irq+0x28/0x50 [ 60.905890][ C2] ? _raw_spin_unlock_irq+0x33/0x50 [ 60.905909][ C2] handle_softirqs+0x218/0x620 [ 60.905917][ C2] ? __pfx_run_ksoftirqd+0x10/0x10 [ 60.905923][ C2] run_ksoftirqd+0x3f/0x70 [ 60.905926][ C2] smpboot_thread_fn+0x307/0x960 [ 60.905931][ C2] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 60.905936][ C2] kthread+0x37b/0x600 [ 60.905941][ C2] ? __pfx_kthread+0x10/0x10 [ 60.905943][ C2] ? ret_from_fork+0x1b/0x70 [ 60.905947][ C2] ? __lock_release+0x5d/0x170 [ 60.905952][ C2] ? rcu_is_watching+0x12/0xc0 [ 60.905956][ C2] ? __pfx_kthread+0x10/0x10 [ 60.905961][ C2] ret_from_fork+0x31/0x70 [ 60.905964][ C2] ? __pfx_kthread+0x10/0x10 [ 60.905967][ C2] ret_from_fork_asm+0x1a/0x30 [ 60.905982][ C2]