[ 175.993216][ T1835] ip (1835) used greatest stack depth: 24000 bytes left [ 186.892294][ C1] [ 186.892578][ C1] ============================= [ 186.892840][ C1] WARNING: suspicious RCU usage [ 186.893114][ C1] 6.15.0-rc1-virtme #1 Not tainted [ 186.893387][ C1] ----------------------------- [ 186.893640][ C1] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 186.894030][ C1] [ 186.894030][ C1] other info that might help us debug this: [ 186.894030][ C1] [ 186.894528][ C1] [ 186.894528][ C1] rcu_scheduler_active = 2, debug_locks = 1 [ 186.894931][ C1] no locks held by swapper/1/0. [ 186.895211][ C1] [ 186.895211][ C1] stack backtrace: [ 186.895545][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 186.895549][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 186.895551][ C1] Call Trace: [ 186.895554][ C1] [ 186.895558][ C1] dump_stack_lvl+0xb0/0xd0 [ 186.895568][ C1] lockdep_rcu_suspicious+0x166/0x270 [ 186.895578][ C1] veth_xdp_rcv+0x824/0xc10 [ 186.895584][ C1] ? validate_chain+0x166/0x4d0 [ 186.895593][ C1] ? __lock_acquire+0x591/0x9d0 [ 186.895599][ C1] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 186.895605][ C1] ? rcu_read_lock_any_held+0x43/0xb0 [ 186.895610][ C1] ? validate_chain+0x166/0x4d0 [ 186.895619][ C1] ? __lock_acquire+0x591/0x9d0 [ 186.895629][ C1] veth_poll+0x121/0x400 [ 186.895633][ C1] ? __pfx_veth_poll+0x10/0x10 [ 186.895641][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 186.895647][ C1] ? _raw_spin_unlock+0x2d/0x50 [ 186.895652][ C1] ? find_held_lock+0x2b/0x80 [ 186.895658][ C1] ? rcu_read_lock_any_held+0x43/0xb0 [ 186.895661][ C1] ? validate_chain+0x166/0x4d0 [ 186.895669][ C1] ? __lock_acquire+0x591/0x9d0 [ 186.895680][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 186.895684][ C1] ? rcu_is_watching+0x12/0xc0 [ 186.895690][ C1] net_rx_action+0x542/0xd00 [ 186.895702][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 186.895707][ C1] ? _raw_spin_unlock_irq+0x28/0x50 [ 186.895714][ C1] ? _raw_spin_unlock_irq+0x33/0x50 [ 186.895720][ C1] ? kvm_clock_get_cycles+0x18/0x30 [ 186.895724][ C1] ? ktime_get+0xb8/0x200 [ 186.895731][ C1] ? clockevents_program_event+0x1ea/0x300 [ 186.895743][ C1] handle_softirqs+0x218/0x620 [ 186.895754][ C1] __irq_exit_rcu+0xfa/0x160 [ 186.895758][ C1] irq_exit_rcu+0xe/0x30 [ 186.895761][ C1] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 186.895767][ C1] [ 186.895768][ C1] [ 186.895771][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 186.895775][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 186.895780][ 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 [ 186.895783][ C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246 [ 186.895787][ C1] RAX: 00000000007470f9 RBX: 1ffff92000026fc1 RCX: ffffffff8ac25a59 [ 186.895789][ C1] RDX: 0000000000000000 RSI: ffffffff8b90b37a RDI: ffffffff8b0539c0 [ 186.895791][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9d667a [ 186.895792][ C1] R10: ffff88806ceb33d3 R11: 0000000000000000 R12: 0000000000000000 [ 186.895794][ C1] R13: ffff888001b20040 R14: dffffc0000000000 R15: 0000000000000000 [ 186.895802][ C1] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 186.895811][ C1] default_idle+0x9/0x10 [ 186.895814][ C1] default_idle_call+0x6d/0xb0 [ 186.895816][ C1] cpuidle_idle_call+0x26f/0x3a0 [ 186.895822][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 186.895828][ C1] ? tsc_verify_tsc_adjust+0x98/0x300 [ 186.895836][ C1] do_idle+0xf6/0x160 [ 186.895842][ C1] cpu_startup_entry+0x54/0x60 [ 186.895846][ C1] start_secondary+0x213/0x2a0 [ 186.895850][ C1] ? __pfx_start_secondary+0x10/0x10 [ 186.895859][ C1] common_startup_64+0x13e/0x148 [ 186.895876][ C1]