[ 5023.874383][ C0] [ 5023.874650][ C0] ============================= [ 5023.874894][ C0] WARNING: suspicious RCU usage [ 5023.875129][ C0] 6.15.0-rc1-virtme #1 Not tainted [ 5023.875364][ C0] ----------------------------- [ 5023.875604][ C0] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 5023.875950][ C0] [ 5023.875950][ C0] other info that might help us debug this: [ 5023.875950][ C0] [ 5023.876412][ C0] [ 5023.876412][ C0] rcu_scheduler_active = 2, debug_locks = 1 [ 5023.876768][ C0] no locks held by ksoftirqd/0/14. [ 5023.877004][ C0] [ 5023.877004][ C0] stack backtrace: [ 5023.877288][ C0] CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 5023.877293][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5023.877295][ C0] Call Trace: [ 5023.877296][ C0] [ 5023.877299][ C0] dump_stack_lvl+0xb0/0xd0 [ 5023.877309][ C0] lockdep_rcu_suspicious+0x166/0x270 [ 5023.877319][ C0] veth_xdp_rcv+0x824/0xc10 [ 5023.877324][ C0] ? validate_chain+0x166/0x4d0 [ 5023.877333][ C0] ? __lock_acquire+0x591/0x9d0 [ 5023.877339][ C0] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 5023.877345][ C0] ? rcu_read_lock_any_held+0x43/0xb0 [ 5023.877350][ C0] ? validate_chain+0x166/0x4d0 [ 5023.877358][ C0] ? __lock_acquire+0x591/0x9d0 [ 5023.877368][ C0] veth_poll+0x121/0x400 [ 5023.877373][ C0] ? __pfx_veth_poll+0x10/0x10 [ 5023.877381][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 5023.877386][ C0] ? _raw_spin_unlock+0x2d/0x50 [ 5023.877392][ C0] ? find_held_lock+0x2b/0x80 [ 5023.877398][ C0] ? rcu_read_lock_any_held+0x43/0xb0 [ 5023.877401][ C0] ? validate_chain+0x166/0x4d0 [ 5023.877409][ C0] ? __lock_acquire+0x591/0x9d0 [ 5023.877419][ C0] __napi_poll.constprop.0+0xa2/0x460 [ 5023.877423][ C0] ? rcu_is_watching+0x12/0xc0 [ 5023.877431][ C0] net_rx_action+0x542/0xd00 [ 5023.877442][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 5023.877447][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 5023.877454][ C0] ? _raw_spin_unlock_irq+0x33/0x50 [ 5023.877473][ C0] handle_softirqs+0x218/0x620 [ 5023.877481][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 5023.877487][ C0] run_ksoftirqd+0x3f/0x70 [ 5023.877490][ C0] smpboot_thread_fn+0x307/0x960 [ 5023.877495][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 5023.877500][ C0] kthread+0x37b/0x600 [ 5023.877504][ C0] ? __pfx_kthread+0x10/0x10 [ 5023.877507][ C0] ? ret_from_fork+0x1b/0x70 [ 5023.877510][ C0] ? __lock_release+0x5d/0x170 [ 5023.877515][ C0] ? rcu_is_watching+0x12/0xc0 [ 5023.877519][ C0] ? __pfx_kthread+0x10/0x10 [ 5023.877524][ C0] ret_from_fork+0x31/0x70 [ 5023.877527][ C0] ? __pfx_kthread+0x10/0x10 [ 5023.877530][ C0] ret_from_fork_asm+0x1a/0x30 [ 5023.877546][ C0]