[ 264.975139][ T2986] netdevsim netdevsim262 eni262np1: renamed from eth0 [ 264.988267][ T2984] netdevsim netdevsim723 eni723np1: renamed from eth1 [ 266.953047][ T3013] [ 266.953272][ T3013] ============================= [ 266.953441][ T3013] WARNING: suspicious RCU usage [ 266.953605][ T3013] 6.12.0-rc6-virtme #1 Not tainted [ 266.953785][ T3013] ----------------------------- [ 266.953961][ T3013] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 266.954213][ T3013] [ 266.954213][ T3013] other info that might help us debug this: [ 266.954213][ T3013] [ 266.954671][ T3013] [ 266.954671][ T3013] rcu_scheduler_active = 2, debug_locks = 1 [ 266.954925][ T3013] 2 locks held by busy_poller/3013: [ 266.955090][ T3013] #0: ffffffffaae59eb0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 266.955381][ T3013] #1: ffffffffaae02548 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 266.955686][ T3013] [ 266.955686][ T3013] stack backtrace: [ 266.955910][ T3013] CPU: 3 UID: 0 PID: 3013 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 266.956199][ T3013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 266.956401][ T3013] Call Trace: [ 266.956529][ T3013] [ 266.956620][ T3013] dump_stack_lvl+0xb0/0xd0 [ 266.956798][ T3013] lockdep_rcu_suspicious+0x1ea/0x280 [ 266.956975][ T3013] napi_by_id+0x134/0x170 [ 266.957114][ T3013] netdev_nl_napi_set_doit+0xeb/0x640 [ 266.957295][ T3013] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 266.957516][ T3013] ? __nla_parse+0x26/0x30 [ 266.957690][ T3013] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 266.957948][ T3013] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 266.958114][ T3013] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 266.958321][ T3013] ? __pfx___lock_release+0x10/0x10 [ 266.958487][ T3013] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 266.958665][ T3013] ? validate_chain+0x1fe/0xae0 [ 266.958843][ T3013] genl_family_rcv_msg+0x347/0x5b0 [ 266.959015][ T3013] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 266.959191][ T3013] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 266.959405][ T3013] genl_rcv_msg+0xa3/0x140 [ 266.959570][ T3013] netlink_rcv_skb+0x130/0x360 [ 266.959731][ T3013] ? __pfx_genl_rcv_msg+0x10/0x10 [ 266.959901][ T3013] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 266.960081][ T3013] ? genl_rcv+0x19/0x40 [ 266.960205][ T3013] ? __pfx_down_read+0x10/0x10 [ 266.960370][ T3013] ? netlink_deliver_tap+0x13e/0x340 [ 266.960543][ T3013] genl_rcv+0x28/0x40 [ 266.960667][ T3013] netlink_unicast+0x44b/0x710 [ 266.960833][ T3013] ? __pfx_netlink_unicast+0x10/0x10 [ 266.960997][ T3013] ? __wake_up+0x44/0x60 [ 266.961126][ T3013] netlink_sendmsg+0x723/0xbe0 [ 266.961295][ T3013] ? __pfx_netlink_sendmsg+0x10/0x10 [ 266.961463][ T3013] ? fdget+0x52/0x1e0 [ 266.961595][ T3013] __sys_sendto+0x377/0x400 [ 266.961759][ T3013] ? __pfx___sys_sendto+0x10/0x10 [ 266.961947][ T3013] ? do_user_addr_fault+0x972/0xe30 [ 266.962113][ T3013] ? __pfx___lock_release+0x10/0x10 [ 266.962272][ T3013] ? __up_read+0x1a7/0x780 [ 266.962434][ T3013] ? trace_lock_acquire+0x14d/0x1f0 [ 266.962597][ T3013] ? __pfx___up_read+0x10/0x10 [ 266.962763][ T3013] ? do_user_addr_fault+0x972/0xe30 [ 266.962927][ T3013] ? do_user_addr_fault+0x97c/0xe30 [ 266.963095][ T3013] __x64_sys_sendto+0xe0/0x1c0 [ 266.963260][ T3013] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 266.963463][ T3013] do_syscall_64+0xc1/0x1d0 [ 266.963629][ T3013] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 266.963829][ T3013] RIP: 0033:0x7fd50a9da700 [ 266.964002][ T3013] 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 [ 266.964563][ T3013] RSP: 002b:00007ffc474e4078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 266.964811][ T3013] RAX: ffffffffffffffda RBX: 00007ffc474e4090 RCX: 00007fd50a9da700 [ 266.965054][ T3013] RDX: 0000000000000034 RSI: 00007fd50a847270 RDI: 0000000000000005 [ 266.965296][ T3013] RBP: 00007fd50a847010 R08: 0000000000000000 R09: 0000000000000000 [ 266.965540][ T3013] R10: 0000000000000000 R11: 0000000000000246 R12: 000000001dc0e2f0 [ 266.965784][ T3013] R13: 00007fd50a847010 R14: 000000001dc0e310 R15: 00007fd50aad5000 [ 266.966042][ T3013]