[ 23.068725][ C3] [ 23.069007][ C3] ============================= [ 23.069253][ C3] WARNING: suspicious RCU usage [ 23.069495][ C3] 6.15.0-rc1-virtme #1 Not tainted [ 23.069740][ C3] ----------------------------- [ 23.069991][ C3] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 23.070354][ C3] [ 23.070354][ C3] other info that might help us debug this: [ 23.070354][ C3] [ 23.070840][ C3] [ 23.070840][ C3] rcu_scheduler_active = 2, debug_locks = 1 [ 23.071197][ C3] no locks held by ksoftirqd/3/32. [ 23.071441][ C3] [ 23.071441][ C3] stack backtrace: [ 23.071743][ C3] CPU: 3 UID: 0 PID: 32 Comm: ksoftirqd/3 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 23.071748][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.071750][ C3] Call Trace: [ 23.071753][ C3] [ 23.071755][ C3] dump_stack_lvl+0xb0/0xd0 [ 23.071768][ C3] lockdep_rcu_suspicious+0x166/0x270 [ 23.071780][ C3] veth_xdp_rcv+0x824/0xc10 [ 23.071787][ C3] ? rcu_is_watching+0x12/0xc0 [ 23.071794][ C3] ? trace_pelt_se_tp+0xf1/0x160 [ 23.071800][ C3] ? __update_load_avg_se+0x3fd/0x940 [ 23.071812][ C3] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 23.071821][ C3] ? pick_eevdf+0x3ae/0x5a0 [ 23.071827][ C3] ? update_curr_se+0x182/0x210 [ 23.071829][ C3] ? enqueue_entity+0x219/0x7e0 [ 23.071833][ C3] ? update_curr+0x76/0x7b0 [ 23.071843][ C3] veth_poll+0x121/0x400 [ 23.071847][ C3] ? __pfx_veth_poll+0x10/0x10 [ 23.071856][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 23.071863][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 23.071870][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 23.071877][ C3] ? rcu_read_lock_any_held+0x43/0xb0 [ 23.071882][ C3] ? validate_chain+0x166/0x4d0 [ 23.071885][ C3] ? validate_chain+0x166/0x4d0 [ 23.071893][ C3] ? __lock_acquire+0x591/0x9d0 [ 23.071903][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 23.071909][ C3] ? rcu_is_watching+0x12/0xc0 [ 23.071915][ C3] net_rx_action+0x542/0xd00 [ 23.071926][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 23.071932][ C3] ? _raw_spin_unlock_irq+0x28/0x50 [ 23.071937][ C3] ? _raw_spin_unlock_irq+0x33/0x50 [ 23.071947][ C3] ? run_timer_softirq+0x1a/0x30 [ 23.071951][ C3] ? __lock_release+0x5d/0x170 [ 23.071956][ C3] ? rcu_is_watching+0x12/0xc0 [ 23.071963][ C3] handle_softirqs+0x218/0x620 [ 23.071972][ C3] ? __pfx_run_ksoftirqd+0x10/0x10 [ 23.071978][ C3] run_ksoftirqd+0x3f/0x70 [ 23.071981][ C3] smpboot_thread_fn+0x307/0x960 [ 23.071986][ C3] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 23.071990][ C3] kthread+0x37b/0x600 [ 23.071996][ C3] ? __pfx_kthread+0x10/0x10 [ 23.071998][ C3] ? ret_from_fork+0x1b/0x70 [ 23.072002][ C3] ? __lock_release+0x5d/0x170 [ 23.072007][ C3] ? rcu_is_watching+0x12/0xc0 [ 23.072011][ C3] ? __pfx_kthread+0x10/0x10 [ 23.072016][ C3] ret_from_fork+0x31/0x70 [ 23.072019][ C3] ? __pfx_kthread+0x10/0x10 [ 23.072022][ C3] ret_from_fork_asm+0x1a/0x30 [ 23.072038][ C3]