[ 364.558057][ T5100] IPv6: Can't replace route, no match found [ 368.773065][ T5170] IPv6: Can't replace route, no match found [ 444.331489][ T6134] Mirror/redirect action on [ 558.878472][ T6793] veth2: entered promiscuous mode [ 558.921852][ T6793] veth2: left promiscuous mode [ 582.462865][ C3] [ 582.463036][ C3] ============================= [ 582.463324][ C3] WARNING: suspicious RCU usage [ 582.463574][ C3] 6.15.0-rc1-virtme #1 Not tainted [ 582.463838][ C3] ----------------------------- [ 582.464086][ C3] drivers/net/veth.c:907 suspicious rcu_dereference_check() usage! [ 582.464464][ C3] [ 582.464464][ C3] other info that might help us debug this: [ 582.464464][ C3] [ 582.464961][ C3] [ 582.464961][ C3] rcu_scheduler_active = 2, debug_locks = 1 [ 582.465321][ C3] no locks held by mausezahn/6928. [ 582.465568][ C3] [ 582.465568][ C3] stack backtrace: [ 582.465880][ C3] CPU: 3 UID: 0 PID: 6928 Comm: mausezahn Not tainted 6.15.0-rc1-virtme #1 PREEMPT(full) [ 582.465884][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 582.465886][ C3] Call Trace: [ 582.465888][ C3] [ 582.465890][ C3] dump_stack_lvl+0xb0/0xd0 [ 582.465900][ C3] lockdep_rcu_suspicious+0x166/0x270 [ 582.465910][ C3] veth_xdp_rcv+0x824/0xc10 [ 582.465918][ C3] ? switch_hrtimer_base+0x400/0x6e0 [ 582.465929][ C3] ? __pfx_veth_xdp_rcv+0x10/0x10 [ 582.465934][ C3] ? find_held_lock+0x2b/0x80 [ 582.465941][ C3] ? rcu_read_lock_any_held+0x43/0xb0 [ 582.465945][ C3] ? validate_chain+0x166/0x4d0 [ 582.465953][ C3] ? rcu_read_lock_any_held+0x43/0xb0 [ 582.465960][ C3] veth_poll+0x121/0x400 [ 582.465964][ C3] ? __pfx_veth_poll+0x10/0x10 [ 582.465967][ C3] ? __lock_acquire+0x591/0x9d0 [ 582.465977][ C3] ? find_held_lock+0x2b/0x80 [ 582.465981][ C3] ? debug_object_activate+0x387/0x490 [ 582.465985][ C3] ? __lock_release+0x5d/0x170 [ 582.465991][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 582.465995][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 582.466001][ C3] ? debug_object_activate+0x387/0x490 [ 582.466012][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 582.466016][ C3] ? rcu_is_watching+0x12/0xc0 [ 582.466022][ C3] net_rx_action+0x542/0xd00 [ 582.466034][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 582.466037][ C3] ? rcu_start_this_gp+0x4fd/0xb50 [ 582.466041][ C3] ? trace_rcu_quiescent_state_report+0x152/0x2b0 [ 582.466046][ C3] ? find_held_lock+0x2b/0x80 [ 582.466051][ C3] ? __lock_release+0x5d/0x170 [ 582.466055][ C3] ? rcu_is_watching+0x12/0xc0 [ 582.466058][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 582.466062][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 582.466065][ C3] ? handle_softirqs+0x358/0x620 [ 582.466077][ C3] handle_softirqs+0x218/0x620 [ 582.466084][ C3] ? __dev_queue_xmit+0x982/0x18f0 [ 582.466088][ C3] do_softirq+0xb1/0xe0 [ 582.466092][ C3] [ 582.466093][ C3] [ 582.466094][ C3] __local_bh_enable_ip+0x105/0x130 [ 582.466098][ C3] ? __dev_queue_xmit+0x982/0x18f0 [ 582.466100][ C3] __dev_queue_xmit+0x997/0x18f0 [ 582.466103][ C3] ? _copy_from_iter+0x1d1/0x12e0 [ 582.466107][ C3] ? page_cache_async_ra+0x39f/0x740 [ 582.466118][ C3] ? __pfx___dev_queue_xmit+0x10/0x10 [ 582.466121][ C3] ? packet_parse_headers+0x241/0x9c0 [ 582.466130][ C3] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 582.466137][ C3] ? __pfx_packet_parse_headers+0x10/0x10 [ 582.466141][ C3] ? skb_copy_datagram_from_iter+0xe6/0x6e0 [ 582.466153][ C3] packet_snd+0xd16/0x19d0 [ 582.466166][ C3] ? __pfx_packet_snd+0x10/0x10 [ 582.466171][ C3] ? find_held_lock+0x2b/0x80 [ 582.466180][ C3] ? __might_fault+0x11b/0x170 [ 582.466189][ C3] __sys_sendto+0x3c1/0x450 [ 582.466195][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 582.466207][ C3] ? sock_ioctl+0x3b4/0x590 [ 582.466214][ C3] ? __pfx___up_read+0x10/0x10 [ 582.466219][ C3] ? do_user_addr_fault+0x38d/0xe00 [ 582.466230][ C3] ? do_user_addr_fault+0x38d/0xe00 [ 582.466236][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 582.466239][ C3] ? do_syscall_64+0x85/0x1d0 [ 582.466243][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 582.466246][ C3] do_syscall_64+0xc1/0x1d0 [ 582.466251][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 582.466254][ C3] RIP: 0033:0x7f97e5b94a4a [ 582.466259][ C3] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 582.466261][ C3] RSP: 002b:00007ffdabd549d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 582.466265][ C3] RAX: ffffffffffffffda RBX: 00000000247a39d0 RCX: 00007f97e5b94a4a [ 582.466267][ C3] RDX: 000000000000002a RSI: 00000000247a3c92 RDI: 0000000000000006 [ 582.466269][ C3] RBP: 00000000247a3c92 R08: 00007ffdabd549e0 R09: 0000000000000014 [ 582.466271][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 582.466273][ C3] R13: 000000000000002a R14: 00007ffdabd549e0 R15: 0000000000000000 [ 582.466286][ C3]