[ 359.785844][ C2] [ 359.786134][ C2] ============================= [ 359.786414][ C2] WARNING: suspicious RCU usage [ 359.786688][ C2] 6.15.0-rc1-virtme #1 Not tainted [ 359.786964][ C2] ----------------------------- [ 359.787243][ C2] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 359.787632][ C2] [ 359.787632][ C2] other info that might help us debug this: [ 359.787632][ C2] [ 359.788147][ C2] [ 359.788147][ C2] rcu_scheduler_active = 2, debug_locks = 1 [ 359.788533][ C2] no locks held by swapper/2/0. [ 359.788809][ C2] [ 359.788809][ C2] stack backtrace: [ 359.789147][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 359.789151][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 359.789153][ C2] Call Trace: [ 359.789156][ C2] [ 359.789159][ C2] dump_stack_lvl+0xb0/0xd0 [ 359.789170][ C2] lockdep_rcu_suspicious+0x166/0x270 [ 359.789182][ C2] veth_xdp_rcv+0x824/0xc10 [ 359.789191][ C2] ? clockevents_program_event+0xf6/0x300 [ 359.789202][ C2] ? find_held_lock+0x2b/0x80 [ 359.789209][ C2] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 359.789213][ C2] ? mark_held_locks+0x49/0x80 [ 359.789218][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 359.789225][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 359.789232][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 359.789237][ C2] ? napi_complete_done+0x3f4/0x760 [ 359.789245][ C2] ? __pfx_napi_complete_done+0x10/0x10 [ 359.789254][ C2] veth_poll+0x121/0x400 [ 359.789259][ C2] ? __pfx_veth_poll+0x10/0x10 [ 359.789262][ C2] ? validate_chain+0x166/0x4d0 [ 359.789271][ C2] ? __lock_acquire+0x591/0x9d0 [ 359.789283][ C2] ? rcu_read_lock_any_held+0x43/0xb0 [ 359.789290][ C2] ? validate_chain+0x166/0x4d0 [ 359.789299][ C2] ? __lock_acquire+0x591/0x9d0 [ 359.789306][ C2] __napi_poll.constprop.0+0xa2/0x460 [ 359.789309][ C2] ? rcu_is_watching+0x12/0xc0 [ 359.789317][ C2] net_rx_action+0x542/0xd00 [ 359.789329][ C2] ? __pfx_net_rx_action+0x10/0x10 [ 359.789340][ C2] ? kvm_clock_get_cycles+0x18/0x30 [ 359.789346][ C2] ? ktime_get+0xb8/0x200 [ 359.789354][ C2] ? clockevents_program_event+0x1ea/0x300 [ 359.789364][ C2] handle_softirqs+0x218/0x620 [ 359.789376][ C2] __irq_exit_rcu+0xfa/0x160 [ 359.789380][ C2] irq_exit_rcu+0xe/0x30 [ 359.789383][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 359.789387][ C2] [ 359.789388][ C2] [ 359.789391][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 359.789396][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 359.789400][ C2] Code: 2f d4 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 d0 26 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 359.789403][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 359.789406][ C2] RAX: 0000000000750cf3 RBX: 1ffff92000028fc1 RCX: ffffffff8b225a59 [ 359.789409][ C2] RDX: 0000000000000000 RSI: ffffffff8bf0b4da RDI: ffffffff8b6539c0 [ 359.789410][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9e667a [ 359.789412][ C2] R10: ffff88806cf333d3 R11: 0000000000000000 R12: 0000000000000000 [ 359.789413][ C2] R13: ffff888001b22340 R14: dffffc0000000000 R15: 0000000000000000 [ 359.789421][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 359.789430][ C2] default_idle+0x9/0x10 [ 359.789433][ C2] default_idle_call+0x6d/0xb0 [ 359.789436][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 359.789443][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 359.789449][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 359.789458][ C2] do_idle+0xf6/0x160 [ 359.789464][ C2] cpu_startup_entry+0x54/0x60 [ 359.789468][ C2] start_secondary+0x213/0x2a0 [ 359.789474][ C2] ? __pfx_start_secondary+0x10/0x10 [ 359.789483][ C2] common_startup_64+0x13e/0x148 [ 359.789501][ C2]