[ 40.784141][ T1035] netdevsim netdevsim714 eni714np1: renamed from eth1 [ 40.788719][ T1034] netdevsim netdevsim323 eni323np1: renamed from eth0 [ 42.690418][ T1062] [ 42.690656][ T1062] ============================= [ 42.690841][ T1062] WARNING: suspicious RCU usage [ 42.691008][ T1062] 6.12.0-rc6-virtme #1 Not tainted [ 42.691175][ T1062] ----------------------------- [ 42.691337][ T1062] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 42.691575][ T1062] [ 42.691575][ T1062] other info that might help us debug this: [ 42.691575][ T1062] [ 42.692096][ T1062] [ 42.692096][ T1062] rcu_scheduler_active = 2, debug_locks = 1 [ 42.692336][ T1062] 2 locks held by busy_poller/1062: [ 42.692502][ T1062] #0: ffffffffaaa59e30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 42.692797][ T1062] #1: ffffffffaaa02648 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 42.693088][ T1062] [ 42.693088][ T1062] stack backtrace: [ 42.693288][ T1062] CPU: 0 UID: 0 PID: 1062 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 42.693573][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.693775][ T1062] Call Trace: [ 42.694074][ T1062] [ 42.694169][ T1062] dump_stack_lvl+0xb0/0xd0 [ 42.694340][ T1062] lockdep_rcu_suspicious+0x1ea/0x280 [ 42.694509][ T1062] napi_by_id+0x134/0x170 [ 42.694638][ T1062] netdev_nl_napi_set_doit+0xeb/0x640 [ 42.694800][ T1062] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 42.695005][ T1062] ? __nla_parse+0x26/0x30 [ 42.695167][ T1062] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 42.695412][ T1062] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 42.695577][ T1062] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 42.695776][ T1062] ? __pfx___lock_release+0x10/0x10 [ 42.695939][ T1062] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 42.696111][ T1062] ? validate_chain+0x1fe/0xae0 [ 42.696285][ T1062] genl_family_rcv_msg+0x347/0x5b0 [ 42.696450][ T1062] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 42.696616][ T1062] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 42.696831][ T1062] genl_rcv_msg+0xa3/0x140 [ 42.696998][ T1062] netlink_rcv_skb+0x130/0x360 [ 42.697160][ T1062] ? __pfx_genl_rcv_msg+0x10/0x10 [ 42.697328][ T1062] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 42.697502][ T1062] ? genl_rcv+0x19/0x40 [ 42.697630][ T1062] ? __pfx_down_read+0x10/0x10 [ 42.697795][ T1062] ? netlink_deliver_tap+0x13e/0x340 [ 42.697968][ T1062] genl_rcv+0x28/0x40 [ 42.698112][ T1062] netlink_unicast+0x44b/0x710 [ 42.698283][ T1062] ? __pfx_netlink_unicast+0x10/0x10 [ 42.698450][ T1062] ? __wake_up+0x44/0x60 [ 42.698580][ T1062] netlink_sendmsg+0x723/0xbe0 [ 42.698748][ T1062] ? __pfx_netlink_sendmsg+0x10/0x10 [ 42.698916][ T1062] ? fdget+0x52/0x1e0 [ 42.699051][ T1062] __sys_sendto+0x377/0x400 [ 42.699217][ T1062] ? __pfx___sys_sendto+0x10/0x10 [ 42.699391][ T1062] ? do_user_addr_fault+0x972/0xe30 [ 42.699554][ T1062] ? __pfx___lock_release+0x10/0x10 [ 42.699715][ T1062] ? __up_read+0x1a7/0x780 [ 42.699883][ T1062] ? trace_lock_acquire+0x14d/0x1f0 [ 42.700044][ T1062] ? __pfx___up_read+0x10/0x10 [ 42.700208][ T1062] ? do_user_addr_fault+0x972/0xe30 [ 42.700373][ T1062] ? do_user_addr_fault+0x97c/0xe30 [ 42.700541][ T1062] __x64_sys_sendto+0xe0/0x1c0 [ 42.700704][ T1062] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 42.700905][ T1062] do_syscall_64+0xc1/0x1d0 [ 42.701070][ T1062] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.701274][ T1062] RIP: 0033:0x7f4f058ab700 [ 42.701446][ T1062] 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 [ 42.702013][ T1062] RSP: 002b:00007fffd17c5c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 42.702262][ T1062] RAX: ffffffffffffffda RBX: 00007fffd17c5c50 RCX: 00007f4f058ab700 [ 42.702506][ T1062] RDX: 0000000000000034 RSI: 00007f4f05718270 RDI: 0000000000000005 [ 42.702752][ T1062] RBP: 00007f4f05718010 R08: 0000000000000000 R09: 0000000000000000 [ 42.702998][ T1062] R10: 0000000000000000 R11: 0000000000000246 R12: 000000001cd712f0 [ 42.703241][ T1062] R13: 00007f4f05718010 R14: 000000001cd71310 R15: 00007f4f059a6000 [ 42.703498][ T1062]