[ 265.634249][ T3037] netdevsim netdevsim273 eni273np1: renamed from eth0 [ 265.722170][ T3036] netdevsim netdevsim544 eni544np1: renamed from eth1 [ 267.703841][ T3065] [ 267.704147][ T3065] ============================= [ 267.704349][ T3065] WARNING: suspicious RCU usage [ 267.704546][ T3065] 6.12.0-rc6-virtme #1 Not tainted [ 267.704745][ T3065] ----------------------------- [ 267.704955][ T3065] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 267.705222][ T3065] [ 267.705222][ T3065] other info that might help us debug this: [ 267.705222][ T3065] [ 267.705587][ T3065] [ 267.705587][ T3065] rcu_scheduler_active = 2, debug_locks = 1 [ 267.705883][ T3065] 2 locks held by busy_poller/3065: [ 267.706102][ T3065] #0: ffffffffb0859770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 267.706422][ T3065] #1: ffffffffb0802408 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 267.707040][ T3065] [ 267.707040][ T3065] stack backtrace: [ 267.707279][ T3065] CPU: 2 UID: 0 PID: 3065 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 267.707606][ T3065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 267.707843][ T3065] Call Trace: [ 267.707978][ T3065] [ 267.708070][ T3065] dump_stack_lvl+0xb0/0xd0 [ 267.708250][ T3065] lockdep_rcu_suspicious+0x1ea/0x280 [ 267.708428][ T3065] napi_by_id+0x134/0x170 [ 267.708566][ T3065] netdev_nl_napi_set_doit+0xeb/0x640 [ 267.708744][ T3065] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 267.708978][ T3065] ? __nla_parse+0x26/0x30 [ 267.709151][ T3065] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 267.709412][ T3065] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 267.709589][ T3065] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 267.709798][ T3065] ? __pfx___lock_release+0x10/0x10 [ 267.709971][ T3065] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 267.710146][ T3065] ? validate_chain+0x1fe/0xae0 [ 267.710349][ T3065] genl_family_rcv_msg+0x347/0x5b0 [ 267.710525][ T3065] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 267.710699][ T3065] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 267.710933][ T3065] genl_rcv_msg+0xa3/0x140 [ 267.711110][ T3065] netlink_rcv_skb+0x130/0x360 [ 267.711281][ T3065] ? __pfx_genl_rcv_msg+0x10/0x10 [ 267.711458][ T3065] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 267.711654][ T3065] ? genl_rcv+0x19/0x40 [ 267.711786][ T3065] ? __pfx_down_read+0x10/0x10 [ 267.711976][ T3065] ? netlink_deliver_tap+0x13e/0x340 [ 267.712163][ T3065] genl_rcv+0x28/0x40 [ 267.712317][ T3065] netlink_unicast+0x44b/0x710 [ 267.712496][ T3065] ? __pfx_netlink_unicast+0x10/0x10 [ 267.712667][ T3065] ? __wake_up+0x44/0x60 [ 267.712805][ T3065] netlink_sendmsg+0x723/0xbe0 [ 267.712984][ T3065] ? __pfx_netlink_sendmsg+0x10/0x10 [ 267.713167][ T3065] ? fdget+0x52/0x1e0 [ 267.713304][ T3065] __sys_sendto+0x377/0x400 [ 267.713492][ T3065] ? __pfx___sys_sendto+0x10/0x10 [ 267.713675][ T3065] ? do_user_addr_fault+0x972/0xe30 [ 267.713856][ T3065] ? __pfx___lock_release+0x10/0x10 [ 267.714027][ T3065] ? __up_read+0x1a7/0x780 [ 267.714203][ T3065] ? trace_lock_acquire+0x14d/0x1f0 [ 267.714377][ T3065] ? __pfx___up_read+0x10/0x10 [ 267.714556][ T3065] ? do_user_addr_fault+0x972/0xe30 [ 267.714743][ T3065] ? do_user_addr_fault+0x97c/0xe30 [ 267.714930][ T3065] __x64_sys_sendto+0xe0/0x1c0 [ 267.715103][ T3065] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 267.715319][ T3065] do_syscall_64+0xc1/0x1d0 [ 267.715501][ T3065] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 267.715715][ T3065] RIP: 0033:0x7fba36a98700 [ 267.715897][ T3065] 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 [ 267.716502][ T3065] RSP: 002b:00007ffe672fc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 267.716762][ T3065] RAX: ffffffffffffffda RBX: 00007ffe672fc1a0 RCX: 00007fba36a98700 [ 267.717019][ T3065] RDX: 0000000000000034 RSI: 00007fba36905270 RDI: 0000000000000005 [ 267.717269][ T3065] RBP: 00007fba36905010 R08: 0000000000000000 R09: 0000000000000000 [ 267.717524][ T3065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000021f332f0 [ 267.717782][ T3065] R13: 00007fba36905010 R14: 0000000021f33310 R15: 00007fba36b93000 [ 267.718049][ T3065]