[ 39.993570][ T1012] netdevsim netdevsim428 eni428np1: renamed from eth0 [ 40.088637][ T1010] netdevsim netdevsim632 eni632np1: renamed from eth1 [ 41.932307][ T1039] [ 41.932564][ T1039] ============================= [ 41.932748][ T1039] WARNING: suspicious RCU usage [ 41.932924][ T1039] 6.12.0-rc6-virtme #1 Not tainted [ 41.933113][ T1039] ----------------------------- [ 41.933307][ T1039] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 41.933560][ T1039] [ 41.933560][ T1039] other info that might help us debug this: [ 41.933560][ T1039] [ 41.933885][ T1039] [ 41.933885][ T1039] rcu_scheduler_active = 2, debug_locks = 1 [ 41.934134][ T1039] 2 locks held by busy_poller/1039: [ 41.934317][ T1039] #0: ffffffffae659570 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 41.934595][ T1039] #1: ffffffffae602388 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 41.935052][ T1039] [ 41.935052][ T1039] stack backtrace: [ 41.935281][ T1039] CPU: 2 UID: 0 PID: 1039 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 41.935584][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.935787][ T1039] Call Trace: [ 41.935913][ T1039] [ 41.935999][ T1039] dump_stack_lvl+0xb0/0xd0 [ 41.936172][ T1039] lockdep_rcu_suspicious+0x1ea/0x280 [ 41.936341][ T1039] napi_by_id+0x134/0x170 [ 41.936471][ T1039] netdev_nl_napi_set_doit+0xeb/0x640 [ 41.936634][ T1039] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 41.936837][ T1039] ? __nla_parse+0x26/0x30 [ 41.937000][ T1039] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 41.937245][ T1039] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 41.937409][ T1039] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 41.937605][ T1039] ? __pfx___lock_release+0x10/0x10 [ 41.937770][ T1039] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 41.937945][ T1039] ? validate_chain+0x1fe/0xae0 [ 41.938117][ T1039] genl_family_rcv_msg+0x347/0x5b0 [ 41.938279][ T1039] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 41.938441][ T1039] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 41.938651][ T1039] genl_rcv_msg+0xa3/0x140 [ 41.938819][ T1039] netlink_rcv_skb+0x130/0x360 [ 41.938983][ T1039] ? __pfx_genl_rcv_msg+0x10/0x10 [ 41.939151][ T1039] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 41.939327][ T1039] ? genl_rcv+0x19/0x40 [ 41.939450][ T1039] ? __pfx_down_read+0x10/0x10 [ 41.939615][ T1039] ? netlink_deliver_tap+0x13e/0x340 [ 41.939786][ T1039] genl_rcv+0x28/0x40 [ 41.939911][ T1039] netlink_unicast+0x44b/0x710 [ 41.940076][ T1039] ? __pfx_netlink_unicast+0x10/0x10 [ 41.940249][ T1039] ? __wake_up+0x44/0x60 [ 41.940381][ T1039] netlink_sendmsg+0x723/0xbe0 [ 41.940548][ T1039] ? __pfx_netlink_sendmsg+0x10/0x10 [ 41.940715][ T1039] ? fdget+0x52/0x1e0 [ 41.940844][ T1039] __sys_sendto+0x377/0x400 [ 41.941007][ T1039] ? __pfx___sys_sendto+0x10/0x10 [ 41.941179][ T1039] ? do_user_addr_fault+0x972/0xe30 [ 41.941340][ T1039] ? __pfx___lock_release+0x10/0x10 [ 41.941497][ T1039] ? __up_read+0x1a7/0x780 [ 41.941656][ T1039] ? trace_lock_acquire+0x14d/0x1f0 [ 41.941815][ T1039] ? __pfx___up_read+0x10/0x10 [ 41.941981][ T1039] ? do_user_addr_fault+0x972/0xe30 [ 41.942143][ T1039] ? do_user_addr_fault+0x97c/0xe30 [ 41.942304][ T1039] __x64_sys_sendto+0xe0/0x1c0 [ 41.942467][ T1039] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 41.942662][ T1039] do_syscall_64+0xc1/0x1d0 [ 41.942822][ T1039] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.943023][ T1039] RIP: 0033:0x7ff36f9c5700 [ 41.943191][ T1039] 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 [ 41.943741][ T1039] RSP: 002b:00007fffc5a81468 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 41.943987][ T1039] RAX: ffffffffffffffda RBX: 00007fffc5a81480 RCX: 00007ff36f9c5700 [ 41.944226][ T1039] RDX: 0000000000000034 RSI: 00007ff36f832270 RDI: 0000000000000005 [ 41.944465][ T1039] RBP: 00007ff36f832010 R08: 0000000000000000 R09: 0000000000000000 [ 41.944702][ T1039] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000329232f0 [ 41.944941][ T1039] R13: 00007ff36f832010 R14: 0000000032923310 R15: 00007ff36fac0000 [ 41.945196][ T1039]