[ 140.269624][ C1] [ 140.269814][ C1] ============================= [ 140.270063][ C1] WARNING: suspicious RCU usage [ 140.270291][ C1] 6.15.0-rc1-virtme #1 Not tainted [ 140.270557][ C1] ----------------------------- [ 140.270796][ C1] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 140.271147][ C1] [ 140.271147][ C1] other info that might help us debug this: [ 140.271147][ C1] [ 140.271600][ C1] [ 140.271600][ C1] rcu_scheduler_active = 2, debug_locks = 1 [ 140.271939][ C1] no locks held by ksoftirqd/1/22. [ 140.272170][ C1] [ 140.272170][ C1] stack backtrace: [ 140.272472][ C1] CPU: 1 UID: 0 PID: 22 Comm: ksoftirqd/1 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 140.272477][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.272479][ C1] Call Trace: [ 140.272481][ C1] [ 140.272483][ C1] dump_stack_lvl+0xb0/0xd0 [ 140.272495][ C1] lockdep_rcu_suspicious+0x166/0x270 [ 140.272505][ C1] veth_xdp_rcv+0x824/0xc10 [ 140.272520][ C1] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 140.272527][ C1] ? should_we_balance+0x117/0x830 [ 140.272532][ C1] ? validate_chain+0x166/0x4d0 [ 140.272547][ C1] veth_poll+0x121/0x400 [ 140.272551][ C1] ? __pfx_veth_poll+0x10/0x10 [ 140.272563][ C1] ? lock_acquire.part.0+0xb6/0x240 [ 140.272568][ C1] ? do_raw_spin_lock+0x130/0x270 [ 140.272573][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 140.272581][ C1] ? rcu_read_lock_any_held+0x43/0xb0 [ 140.272586][ C1] ? validate_chain+0x166/0x4d0 [ 140.272597][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 140.272602][ C1] ? rcu_is_watching+0x12/0xc0 [ 140.272608][ C1] net_rx_action+0x542/0xd00 [ 140.272619][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 140.272624][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 140.272627][ C1] ? rcu_is_watching+0x12/0xc0 [ 140.272631][ C1] ? trace_sched_exit_tp+0xdb/0x140 [ 140.272637][ C1] ? __schedule+0x86a/0x1b00 [ 140.272648][ C1] ? __pfx___schedule+0x10/0x10 [ 140.272660][ C1] handle_softirqs+0x218/0x620 [ 140.272669][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 140.272675][ C1] run_ksoftirqd+0x3f/0x70 [ 140.272678][ C1] smpboot_thread_fn+0x307/0x960 [ 140.272683][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 140.272688][ C1] kthread+0x37b/0x600 [ 140.272693][ C1] ? __pfx_kthread+0x10/0x10 [ 140.272696][ C1] ? ret_from_fork+0x1b/0x70 [ 140.272699][ C1] ? __lock_release+0x5d/0x170 [ 140.272705][ C1] ? rcu_is_watching+0x12/0xc0 [ 140.272709][ C1] ? __pfx_kthread+0x10/0x10 [ 140.272714][ C1] ret_from_fork+0x31/0x70 [ 140.272716][ C1] ? __pfx_kthread+0x10/0x10 [ 140.272720][ C1] ret_from_fork_asm+0x1a/0x30 [ 140.272735][ C1]