[ 18.851391][ T320] ip (320) used greatest stack depth: 23560 bytes left [ 42.596857][ C1] [ 42.597159][ C1] ============================= [ 42.597426][ C1] WARNING: suspicious RCU usage [ 42.597697][ C1] 6.15.0-rc1-virtme #1 Not tainted [ 42.597959][ C1] ----------------------------- [ 42.598229][ C1] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 42.598621][ C1] [ 42.598621][ C1] other info that might help us debug this: [ 42.598621][ C1] [ 42.599156][ C1] [ 42.599156][ C1] rcu_scheduler_active = 2, debug_locks = 1 [ 42.599544][ C1] no locks held by swapper/1/0. [ 42.599808][ C1] [ 42.599808][ C1] stack backtrace: [ 42.600134][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 42.600139][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.600141][ C1] Call Trace: [ 42.600144][ C1] [ 42.600147][ C1] dump_stack_lvl+0xb0/0xd0 [ 42.600159][ C1] lockdep_rcu_suspicious+0x166/0x270 [ 42.600170][ C1] veth_xdp_rcv+0x824/0xc10 [ 42.600178][ C1] ? validate_chain+0x166/0x4d0 [ 42.600187][ C1] ? __lock_acquire+0x591/0x9d0 [ 42.600193][ C1] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 42.600199][ C1] ? rcu_read_lock_any_held+0x43/0xb0 [ 42.600205][ C1] ? validate_chain+0x166/0x4d0 [ 42.600213][ C1] ? __lock_acquire+0x591/0x9d0 [ 42.600223][ C1] veth_poll+0x121/0x400 [ 42.600228][ C1] ? __pfx_veth_poll+0x10/0x10 [ 42.600236][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 42.600242][ C1] ? _raw_spin_unlock+0x2d/0x50 [ 42.600249][ C1] ? find_held_lock+0x2b/0x80 [ 42.600255][ C1] ? rcu_read_lock_any_held+0x43/0xb0 [ 42.600258][ C1] ? validate_chain+0x166/0x4d0 [ 42.600266][ C1] ? __lock_acquire+0x591/0x9d0 [ 42.600277][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 42.600282][ C1] ? rcu_is_watching+0x12/0xc0 [ 42.600289][ C1] net_rx_action+0x542/0xd00 [ 42.600301][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 42.600306][ C1] ? _raw_spin_unlock_irq+0x28/0x50 [ 42.600320][ C1] ? _raw_spin_unlock_irq+0x33/0x50 [ 42.600328][ C1] ? _raw_spin_unlock_bh+0x11/0x40 [ 42.600333][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 42.600344][ C1] handle_softirqs+0x218/0x620 [ 42.600359][ C1] __irq_exit_rcu+0xfa/0x160 [ 42.600363][ C1] irq_exit_rcu+0xe/0x30 [ 42.600366][ C1] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 42.600373][ C1] [ 42.600374][ C1] [ 42.600377][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 42.600382][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 42.600387][ C1] 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 [ 42.600390][ C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246 [ 42.600394][ C1] RAX: 00000000001c3ba3 RBX: 1ffff92000026fc1 RCX: ffffffff93825a59 [ 42.600396][ C1] RDX: 0000000000000000 RSI: ffffffff9450b4da RDI: ffffffff93c539c0 [ 42.600398][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9d667a [ 42.600399][ C1] R10: ffff88806ceb33d3 R11: 0000000000000000 R12: 0000000000000000 [ 42.600401][ C1] R13: ffff888001b20040 R14: dffffc0000000000 R15: 0000000000000000 [ 42.600409][ C1] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 42.600417][ C1] default_idle+0x9/0x10 [ 42.600420][ C1] default_idle_call+0x6d/0xb0 [ 42.600423][ C1] cpuidle_idle_call+0x26f/0x3a0 [ 42.600430][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 42.600436][ C1] ? tsc_verify_tsc_adjust+0x98/0x300 [ 42.600445][ C1] do_idle+0xf6/0x160 [ 42.600451][ C1] cpu_startup_entry+0x54/0x60 [ 42.600455][ C1] start_secondary+0x213/0x2a0 [ 42.600459][ C1] ? __pfx_start_secondary+0x10/0x10 [ 42.600468][ C1] common_startup_64+0x13e/0x148 [ 42.600487][ C1]