[ 90.785094][ T2232] netdevsim netdevsim525 eni525np1: renamed from eth1 [ 90.890518][ T2231] netdevsim netdevsim342 eni342np1: renamed from eth0 [ 92.759072][ T2258] [ 92.759361][ T2258] ============================= [ 92.759528][ T2258] WARNING: suspicious RCU usage [ 92.759686][ T2258] 6.12.0-rc6-virtme #1 Not tainted [ 92.759848][ T2258] ----------------------------- [ 92.760005][ T2258] net/core/dev.c:6300 RCU-list traversed in non-reader section!! [ 92.760242][ T2258] [ 92.760242][ T2258] other info that might help us debug this: [ 92.760242][ T2258] [ 92.760972][ T2258] [ 92.760972][ T2258] rcu_scheduler_active = 2, debug_locks = 1 [ 92.761213][ T2258] 2 locks held by busy_poller/2258: [ 92.761388][ T2258] #0: ffffffffadc59a30 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 92.761650][ T2258] #1: ffffffffadc026c8 (rtnl_mutex){+.+.}-{3:3}, at: netdev_nl_napi_set_doit+0xe4/0x640 [ 92.761943][ T2258] [ 92.761943][ T2258] stack backtrace: [ 92.762144][ T2258] CPU: 0 UID: 0 PID: 2258 Comm: busy_poller Not tainted 6.12.0-rc6-virtme #1 [ 92.762424][ T2258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.762631][ T2258] Call Trace: [ 92.762760][ T2258] [ 92.762849][ T2258] dump_stack_lvl+0xb0/0xd0 [ 92.763260][ T2258] lockdep_rcu_suspicious+0x1ea/0x280 [ 92.763426][ T2258] napi_by_id+0x134/0x170 [ 92.763552][ T2258] netdev_nl_napi_set_doit+0xeb/0x640 [ 92.763714][ T2258] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 92.763919][ T2258] ? __nla_parse+0x26/0x30 [ 92.764082][ T2258] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 92.764324][ T2258] genl_family_rcv_msg_doit+0x1d4/0x2b0 [ 92.764484][ T2258] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 92.764681][ T2258] ? __pfx___lock_release+0x10/0x10 [ 92.764840][ T2258] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 92.765009][ T2258] ? validate_chain+0x1fe/0xae0 [ 92.765181][ T2258] genl_family_rcv_msg+0x347/0x5b0 [ 92.765354][ T2258] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 92.765521][ T2258] ? __pfx_netdev_nl_napi_set_doit+0x10/0x10 [ 92.765731][ T2258] genl_rcv_msg+0xa3/0x140 [ 92.765895][ T2258] netlink_rcv_skb+0x130/0x360 [ 92.766061][ T2258] ? __pfx_genl_rcv_msg+0x10/0x10 [ 92.766229][ T2258] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 92.766407][ T2258] ? genl_rcv+0x19/0x40 [ 92.766531][ T2258] ? __pfx_down_read+0x10/0x10 [ 92.766699][ T2258] ? netlink_deliver_tap+0x13e/0x340 [ 92.766867][ T2258] genl_rcv+0x28/0x40 [ 92.766993][ T2258] netlink_unicast+0x44b/0x710 [ 92.767159][ T2258] ? __pfx_netlink_unicast+0x10/0x10 [ 92.767321][ T2258] ? __wake_up+0x44/0x60 [ 92.767456][ T2258] netlink_sendmsg+0x723/0xbe0 [ 92.767623][ T2258] ? __pfx_netlink_sendmsg+0x10/0x10 [ 92.767790][ T2258] ? fdget+0x52/0x1e0 [ 92.767924][ T2258] __sys_sendto+0x377/0x400 [ 92.768092][ T2258] ? __pfx___sys_sendto+0x10/0x10 [ 92.768268][ T2258] ? do_user_addr_fault+0x972/0xe30 [ 92.768429][ T2258] ? __pfx___lock_release+0x10/0x10 [ 92.768588][ T2258] ? __up_read+0x1a7/0x780 [ 92.768749][ T2258] ? trace_lock_acquire+0x14d/0x1f0 [ 92.769052][ T2258] ? __pfx___up_read+0x10/0x10 [ 92.769220][ T2258] ? do_user_addr_fault+0x972/0xe30 [ 92.769385][ T2258] ? do_user_addr_fault+0x97c/0xe30 [ 92.769547][ T2258] __x64_sys_sendto+0xe0/0x1c0 [ 92.769709][ T2258] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 92.769907][ T2258] do_syscall_64+0xc1/0x1d0 [ 92.770070][ T2258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.770274][ T2258] RIP: 0033:0x7fe9f459f700 [ 92.770641][ T2258] 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 [ 92.771199][ T2258] RSP: 002b:00007fffe599cf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 92.771544][ T2258] RAX: ffffffffffffffda RBX: 00007fffe599cf60 RCX: 00007fe9f459f700 [ 92.771780][ T2258] RDX: 0000000000000034 RSI: 00007fe9f440c270 RDI: 0000000000000005 [ 92.772017][ T2258] RBP: 00007fe9f440c010 R08: 0000000000000000 R09: 0000000000000000 [ 92.772252][ T2258] R10: 0000000000000000 R11: 0000000000000246 R12: 000000003b1552f0 [ 92.772486][ T2258] R13: 00007fe9f440c010 R14: 000000003b155310 R15: 00007fe9f469a000 [ 92.772756][ T2258]