[ 42.069559][ T924] netdevsim netdevsim279 eni279np1: renamed from eth0 [ 42.172966][ T923] netdevsim netdevsim534 eni534np1: renamed from eth1 [ 44.308048][ T952] [ 44.308598][ T952] ============================= [ 44.308771][ T952] WARNING: suspicious RCU usage [ 44.308931][ T952] 6.12.0-rc6-virtme #1 Not tainted [ 44.309235][ T952] ----------------------------- [ 44.309498][ T952] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 44.309733][ T952] [ 44.309733][ T952] other info that might help us debug this: [ 44.309733][ T952] [ 44.310037][ T952] [ 44.310037][ T952] rcu_scheduler_active = 2, debug_locks = 1 [ 44.310364][ T952] 2 locks held by busy_poller/952: [ 44.310522][ T952] #0: ffffffffa5e594b0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 44.310780][ T952] #1: ffffffffa5e02388 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 44.311059][ T952] [ 44.311059][ T952] stack backtrace: [ 44.311345][ T952] CPU: 1 UID: 0 PID: 952 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 44.311623][ T952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.311822][ T952] Call Trace: [ 44.311944][ T952] [ 44.312031][ T952] dump_stack_lvl+0xb0/0xd0 [ 44.312203][ T952] lockdep_rcu_suspicious+0x1ea/0x280 [ 44.312366][ T952] napi_by_id+0x134/0x170 [ 44.312495][ T952] netdev_nl_napi_set_doit+0xeb/0x640 [ 44.312653][ T952] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 44.312851][ T952] ? __nla_parse+0x26/0x30 [ 44.313009][ T952] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 44.313249][ T952] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 44.313409][ T952] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 44.313600][ T952] ? __pfx___lock_release+0x10/0x10 [ 44.313761][ T952] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.313926][ T952] ? validate_chain+0x1fe/0xae0 [ 44.314089][ T952] genl_family_rcv_msg+0x347/0x5b0 [ 44.314249][ T952] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 44.314407][ T952] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 44.314613][ T952] genl_rcv_msg+0xa3/0x140 [ 44.314776][ T952] netlink_rcv_skb+0x130/0x360 [ 44.314932][ T952] ? __pfx_genl_rcv_msg+0x10/0x10 [ 44.315094][ T952] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 44.315265][ T952] ? genl_rcv+0x19/0x40 [ 44.315384][ T952] ? __pfx_down_read+0x10/0x10 [ 44.315543][ T952] ? netlink_deliver_tap+0x13e/0x340 [ 44.315707][ T952] genl_rcv+0x28/0x40 [ 44.315827][ T952] netlink_unicast+0x44b/0x710 [ 44.315990][ T952] ? __pfx_netlink_unicast+0x10/0x10 [ 44.316150][ T952] ? __wake_up+0x44/0x60 [ 44.316274][ T952] netlink_sendmsg+0x723/0xbe0 [ 44.316435][ T952] ? __pfx_netlink_sendmsg+0x10/0x10 [ 44.316598][ T952] ? fdget+0x52/0x1e0 [ 44.316726][ T952] __sys_sendto+0x377/0x400 [ 44.316882][ T952] ? __pfx___sys_sendto+0x10/0x10 [ 44.317042][ T952] ? __might_fault+0x11b/0x170 [ 44.317247][ T952] ? rseq_update_cpu_node_id+0xe6/0x140 [ 44.317415][ T952] ? __rseq_handle_notify_resume+0x288/0x3e0 [ 44.317617][ T952] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 44.317828][ T952] __x64_sys_sendto+0xe0/0x1c0 [ 44.317991][ T952] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 44.318202][ T952] do_syscall_64+0xc1/0x1d0 [ 44.318361][ T952] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.318557][ T952] RIP: 0033:0x7ff2d0d4e700 [ 44.318722][ T952] 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 [ 44.319272][ T952] RSP: 002b:00007ffe08e04568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 44.319512][ T952] RAX: ffffffffffffffda RBX: 00007ffe08e04580 RCX: 00007ff2d0d4e700 [ 44.319746][ T952] RDX: 0000000000000034 RSI: 00007ff2d0bbb270 RDI: 0000000000000005 [ 44.319985][ T952] RBP: 00007ff2d0bbb010 R08: 0000000000000000 R09: 0000000000000000 [ 44.320218][ T952] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000262322f0 [ 44.320450][ T952] R13: 00007ff2d0bbb010 R14: 0000000026232310 R15: 00007ff2d0e49000 [ 44.320702][ T952]