[ 4228.426903][ T7358] netdevsim netdevsim482 eni482np1: renamed from eth0 [ 4228.518660][ T7357] netdevsim netdevsim523 eni523np1: renamed from eth1 [ 4230.572794][ T7386] [ 4230.573063][ T7386] ============================= [ 4230.573347][ T7386] WARNING: suspicious RCU usage [ 4230.573532][ T7386] 6.12.0-rc6-virtme #1 Not tainted [ 4230.574070][ T7386] ----------------------------- [ 4230.574282][ T7386] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 4230.574533][ T7386] [ 4230.574533][ T7386] other info that might help us debug this: [ 4230.574533][ T7386] [ 4230.574851][ T7386] [ 4230.574851][ T7386] rcu_scheduler_active = 2, debug_locks = 1 [ 4230.575092][ T7386] 2 locks held by busy_poller/7386: [ 4230.575266][ T7386] #0: ffffffffba459670 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 4230.575544][ T7386] #1: ffffffffba402408 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 4230.575846][ T7386] [ 4230.575846][ T7386] stack backtrace: [ 4230.576048][ T7386] CPU: 3 UID: 0 PID: 7386 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 4230.576345][ T7386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4230.576554][ T7386] Call Trace: [ 4230.576690][ T7386] [ 4230.576779][ T7386] dump_stack_lvl+0xb0/0xd0 [ 4230.576958][ T7386] lockdep_rcu_suspicious+0x1ea/0x280 [ 4230.577148][ T7386] napi_by_id+0x134/0x170 [ 4230.577285][ T7386] netdev_nl_napi_set_doit+0xeb/0x640 [ 4230.577457][ T7386] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 4230.577708][ T7386] ? __nla_parse+0x26/0x30 [ 4230.577883][ T7386] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 4230.578143][ T7386] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 4230.578311][ T7386] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 4230.578530][ T7386] ? __pfx___lock_release+0x10/0x10 [ 4230.578700][ T7386] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4230.578880][ T7386] ? validate_chain+0x1fe/0xae0 [ 4230.579058][ T7386] genl_family_rcv_msg+0x347/0x5b0 [ 4230.579229][ T7386] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 4230.579401][ T7386] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 4230.579622][ T7386] genl_rcv_msg+0xa3/0x140 [ 4230.579794][ T7386] netlink_rcv_skb+0x130/0x360 [ 4230.579965][ T7386] ? __pfx_genl_rcv_msg+0x10/0x10 [ 4230.580142][ T7386] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 4230.580326][ T7386] ? genl_rcv+0x19/0x40 [ 4230.580460][ T7386] ? __pfx_down_read+0x10/0x10 [ 4230.580637][ T7386] ? netlink_deliver_tap+0x13e/0x340 [ 4230.580818][ T7386] genl_rcv+0x28/0x40 [ 4230.580944][ T7386] netlink_unicast+0x44b/0x710 [ 4230.581116][ T7386] ? __pfx_netlink_unicast+0x10/0x10 [ 4230.581295][ T7386] ? __wake_up+0x44/0x60 [ 4230.581431][ T7386] netlink_sendmsg+0x723/0xbe0 [ 4230.581612][ T7386] ? __pfx_netlink_sendmsg+0x10/0x10 [ 4230.581788][ T7386] ? fdget+0x52/0x1e0 [ 4230.581927][ T7386] __sys_sendto+0x377/0x400 [ 4230.582099][ T7386] ? __pfx___sys_sendto+0x10/0x10 [ 4230.582283][ T7386] ? do_user_addr_fault+0x972/0xe30 [ 4230.582452][ T7386] ? __pfx___lock_release+0x10/0x10 [ 4230.582625][ T7386] ? __up_read+0x1a7/0x780 [ 4230.582796][ T7386] ? trace_lock_acquire+0x14d/0x1f0 [ 4230.582967][ T7386] ? __pfx___up_read+0x10/0x10 [ 4230.583141][ T7386] ? do_user_addr_fault+0x972/0xe30 [ 4230.583315][ T7386] ? do_user_addr_fault+0x97c/0xe30 [ 4230.583489][ T7386] __x64_sys_sendto+0xe0/0x1c0 [ 4230.583660][ T7386] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 4230.583873][ T7386] do_syscall_64+0xc1/0x1d0 [ 4230.584050][ T7386] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4230.584260][ T7386] RIP: 0033:0x7fcea59c9700 [ 4230.584447][ T7386] Code: Unable to access opcode bytes at 0x7fcea59c96d6. [ 4230.584664][ T7386] RSP: 002b:00007fff3e762178 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 4230.584922][ T7386] RAX: ffffffffffffffda RBX: 00007fff3e762190 RCX: 00007fcea59c9700 [ 4230.585167][ T7386] RDX: 0000000000000034 RSI: 00007fcea5836270 RDI: 0000000000000005 [ 4230.585438][ T7386] RBP: 00007fcea5836010 R08: 0000000000000000 R09: 0000000000000000 [ 4230.585691][ T7386] R10: 0000000000000000 R11: 0000000000000246 R12: 000000001983f2f0 [ 4230.585943][ T7386] R13: 00007fcea5836010 R14: 000000001983f310 R15: 00007fcea5ac4000 [ 4230.586213][ T7386]