[ 227.050810][ C1] [ 227.050992][ C1] ============================= [ 227.051228][ C1] WARNING: suspicious RCU usage [ 227.051481][ C1] 6.15.0-rc1-virtme #1 Not tainted [ 227.051727][ C1] ----------------------------- [ 227.051972][ C1] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 227.052316][ C1] [ 227.052316][ C1] other info that might help us debug this: [ 227.052316][ C1] [ 227.052794][ C1] [ 227.052794][ C1] rcu_scheduler_active = 2, debug_locks = 1 [ 227.053138][ C1] no locks held by ksoftirqd/1/22. [ 227.053374][ C1] [ 227.053374][ C1] stack backtrace: [ 227.053678][ C1] CPU: 1 UID: 0 PID: 22 Comm: ksoftirqd/1 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 227.053682][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 227.053684][ C1] Call Trace: [ 227.053687][ C1] [ 227.053690][ C1] dump_stack_lvl+0xb0/0xd0 [ 227.053703][ C1] lockdep_rcu_suspicious+0x166/0x270 [ 227.053714][ C1] veth_xdp_rcv+0x824/0xc10 [ 227.053721][ C1] ? validate_chain+0x166/0x4d0 [ 227.053730][ C1] ? __lock_acquire+0x591/0x9d0 [ 227.053736][ C1] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 227.053742][ C1] ? rcu_read_lock_any_held+0x43/0xb0 [ 227.053749][ C1] ? validate_chain+0x166/0x4d0 [ 227.053757][ C1] ? __lock_acquire+0x591/0x9d0 [ 227.053767][ C1] veth_poll+0x121/0x400 [ 227.053771][ C1] ? __pfx_veth_poll+0x10/0x10 [ 227.053780][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 227.053786][ C1] ? _raw_spin_unlock+0x2d/0x50 [ 227.053793][ C1] ? find_held_lock+0x2b/0x80 [ 227.053799][ C1] ? rcu_read_lock_any_held+0x43/0xb0 [ 227.053802][ C1] ? validate_chain+0x166/0x4d0 [ 227.053810][ C1] ? __lock_acquire+0x591/0x9d0 [ 227.053821][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 227.053826][ C1] ? rcu_is_watching+0x12/0xc0 [ 227.053832][ C1] net_rx_action+0x542/0xd00 [ 227.053844][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 227.053849][ C1] ? _raw_spin_unlock_irq+0x28/0x50 [ 227.053854][ C1] ? _raw_spin_unlock_irq+0x33/0x50 [ 227.053873][ C1] handle_softirqs+0x218/0x620 [ 227.053882][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 227.053888][ C1] run_ksoftirqd+0x3f/0x70 [ 227.053891][ C1] smpboot_thread_fn+0x307/0x960 [ 227.053896][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 227.053901][ C1] kthread+0x37b/0x600 [ 227.053906][ C1] ? __pfx_kthread+0x10/0x10 [ 227.053908][ C1] ? ret_from_fork+0x1b/0x70 [ 227.053912][ C1] ? __lock_release+0x5d/0x170 [ 227.053917][ C1] ? rcu_is_watching+0x12/0xc0 [ 227.053921][ C1] ? __pfx_kthread+0x10/0x10 [ 227.053926][ C1] ret_from_fork+0x31/0x70 [ 227.053930][ C1] ? __pfx_kthread+0x10/0x10 [ 227.053933][ C1] ret_from_fork_asm+0x1a/0x30 [ 227.053949][ C1]