[ 42.322447][ T931] netdevsim netdevsim450 eni450np1: renamed from eth0 [ 42.427231][ T929] netdevsim netdevsim529 eni529np1: renamed from eth1 [ 44.616020][ T958] [ 44.616353][ T958] ============================= [ 44.616992][ T958] WARNING: suspicious RCU usage [ 44.617184][ T958] 6.12.0-rc6-virtme #1 Not tainted [ 44.617516][ T958] ----------------------------- [ 44.617696][ T958] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 44.617968][ T958] [ 44.617968][ T958] other info that might help us debug this: [ 44.617968][ T958] [ 44.618312][ T958] [ 44.618312][ T958] rcu_scheduler_active = 2, debug_locks = 1 [ 44.618641][ T958] 2 locks held by busy_poller/958: [ 44.618848][ T958] #0: ffffffffae859db0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 44.619148][ T958] #1: ffffffffae802548 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 44.619622][ T958] [ 44.619622][ T958] stack backtrace: [ 44.619842][ T958] CPU: 1 UID: 0 PID: 958 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 44.620150][ T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.620373][ T958] Call Trace: [ 44.620514][ T958] [ 44.620617][ T958] dump_stack_lvl+0xb0/0xd0 [ 44.620804][ T958] lockdep_rcu_suspicious+0x1ea/0x280 [ 44.620994][ T958] napi_by_id+0x134/0x170 [ 44.621133][ T958] netdev_nl_napi_set_doit+0xeb/0x640 [ 44.621305][ T958] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 44.621533][ T958] ? __nla_parse+0x26/0x30 [ 44.621708][ T958] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 44.621973][ T958] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 44.622149][ T958] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 44.622362][ T958] ? __pfx___lock_release+0x10/0x10 [ 44.622537][ T958] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.622722][ T958] ? validate_chain+0x1fe/0xae0 [ 44.622910][ T958] genl_family_rcv_msg+0x347/0x5b0 [ 44.623087][ T958] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 44.623267][ T958] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 44.623495][ T958] genl_rcv_msg+0xa3/0x140 [ 44.623675][ T958] netlink_rcv_skb+0x130/0x360 [ 44.623849][ T958] ? __pfx_genl_rcv_msg+0x10/0x10 [ 44.624028][ T958] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 44.624222][ T958] ? genl_rcv+0x19/0x40 [ 44.624360][ T958] ? __pfx_down_read+0x10/0x10 [ 44.624548][ T958] ? netlink_deliver_tap+0x13e/0x340 [ 44.624727][ T958] genl_rcv+0x28/0x40 [ 44.624859][ T958] netlink_unicast+0x44b/0x710 [ 44.625040][ T958] ? __pfx_netlink_unicast+0x10/0x10 [ 44.625218][ T958] ? __wake_up+0x44/0x60 [ 44.625360][ T958] netlink_sendmsg+0x723/0xbe0 [ 44.625541][ T958] ? __pfx_netlink_sendmsg+0x10/0x10 [ 44.625724][ T958] ? fdget+0x52/0x1e0 [ 44.625874][ T958] __sys_sendto+0x377/0x400 [ 44.626060][ T958] ? __pfx___sys_sendto+0x10/0x10 [ 44.626236][ T958] ? __might_fault+0x11b/0x170 [ 44.626431][ T958] ? rseq_update_cpu_node_id+0xe6/0x140 [ 44.626611][ T958] ? __rseq_handle_notify_resume+0x288/0x3e0 [ 44.626838][ T958] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 44.627111][ T958] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 44.627337][ T958] __x64_sys_sendto+0xe0/0x1c0 [ 44.627516][ T958] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 44.627743][ T958] do_syscall_64+0xc1/0x1d0 [ 44.627922][ T958] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.628145][ T958] RIP: 0033:0x7fe77178b700 [ 44.628342][ T958] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20 [ 44.628946][ T958] RSP: 002b:00007ffed93b9d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 44.629208][ T958] RAX: ffffffffffffffda RBX: 00007ffed93b9d70 RCX: 00007fe77178b700 [ 44.629468][ T958] RDX: 0000000000000034 RSI: 00007fe7715f8270 RDI: 0000000000000005 [ 44.629730][ T958] RBP: 00007fe7715f8010 R08: 0000000000000000 R09: 0000000000000000 [ 44.629996][ T958] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000285e62f0 [ 44.630256][ T958] R13: 00007fe7715f8010 R14: 00000000285e6310 R15: 00007fe771886000 [ 44.630534][ T958]