[ 12.937779][ T297] 8021q: 802.1Q VLAN Support v1.8 [ 14.629348][ T322] lag2: Mode changed to "loadbalance" [ 14.854275][ T325] lag2: Port device veth3 added [ 15.096797][ T329] lag2: Port device veth5 added [ 15.263843][ T331] 8021q: adding VLAN 0 to HW filter on device lag2 [ 15.348671][ T332] 8021q: adding VLAN 0 to HW filter on device lag2 [ 15.720597][ T337] gre: GRE over IPv4 demultiplexor driver [ 15.734742][ T337] ip_gre: GRE over IPv4 tunneling driver [ 17.266887][ T322] [ 17.267232][ T322] ============================= [ 17.267423][ T322] WARNING: suspicious RCU usage [ 17.267597][ T322] 6.14.0-rc6-virtme #1 Not tainted [ 17.267808][ T322] ----------------------------- [ 17.267985][ T322] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 17.268303][ T322] [ 17.268303][ T322] other info that might help us debug this: [ 17.268303][ T322] [ 17.268648][ T322] [ 17.268648][ T322] rcu_scheduler_active = 2, debug_locks = 1 [ 17.268916][ T322] 1 lock held by teamd/322: [ 17.269100][ T322] #0: ffffffff99b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 17.269467][ T322] [ 17.269467][ T322] stack backtrace: [ 17.269689][ T322] CPU: 1 UID: 0 PID: 322 Comm: teamd Not tainted 6.14.0-rc6-virtme #1 [ 17.269693][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.269695][ T322] Call Trace: [ 17.269697][ T322] [ 17.269699][ T322] dump_stack_lvl+0xb0/0xd0 [ 17.269708][ T322] lockdep_rcu_suspicious+0x1ea/0x280 [ 17.269720][ T322] dev_hard_start_xmit+0x2fc/0x3f0 [ 17.269731][ T322] __dev_queue_xmit+0xfaf/0x18d0 [ 17.269746][ T322] ? __pfx___dev_queue_xmit+0x10/0x10 [ 17.269750][ T322] ? packet_parse_headers+0x231/0x9c0 [ 17.269759][ T322] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 17.269767][ T322] ? __pfx_packet_parse_headers+0x10/0x10 [ 17.269771][ T322] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 17.269778][ T322] ? packet_cached_dev_get+0xd5/0x210 [ 17.269787][ T322] packet_snd+0xd0c/0x19d0 [ 17.269803][ T322] ? __pfx_packet_snd+0x10/0x10 [ 17.269809][ T322] ? build_sched_domains+0x14d0/0x1690 [ 17.269818][ T322] ? __lock_release+0x103/0x460 [ 17.269822][ T322] ? __might_fault+0x11b/0x170 [ 17.269830][ T322] ? __pfx___lock_release+0x10/0x10 [ 17.269839][ T322] __sys_sendto+0x3c3/0x450 [ 17.269846][ T322] ? __pfx___sys_sendto+0x10/0x10 [ 17.269848][ T322] ? __might_fault+0x11b/0x170 [ 17.269862][ T322] ? __sys_getsockname+0x150/0x1f0 [ 17.269867][ T322] ? __pfx___sys_getsockname+0x10/0x10 [ 17.269879][ T322] ? ksys_read+0xf8/0x1d0 [ 17.269886][ T322] ? __pfx_ksys_read+0x10/0x10 [ 17.269894][ T322] __x64_sys_sendto+0xe0/0x1c0 [ 17.269898][ T322] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 17.269903][ T322] do_syscall_64+0xc1/0x1d0 [ 17.269913][ T322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 17.269917][ T322] RIP: 0033:0x7f6f93a1c8f0 [ 17.269922][ T322] 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 [ 17.269925][ T322] RSP: 002b:00007ffc8026d418 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 17.269928][ T322] RAX: ffffffffffffffda RBX: 00000000355d62d0 RCX: 00007f6f93a1c8f0 [ 17.269931][ T322] RDX: 000000000000007c RSI: 00007ffc8026d490 RDI: 0000000000000006 [ 17.269932][ T322] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 17.269934][ T322] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000007c [ 17.269936][ T322] R13: 00007ffc8026d490 R14: 0000000000000006 R15: 00000000355d63e0 [ 17.269952][ T322] [ 17.474361][ T365] lag1: Mode changed to "loadbalance" [ 17.685144][ T368] lag1: Port device veth2 added [ 17.964637][ T371] lag1: Port device veth4 added [ 18.135049][ T373] 8021q: adding VLAN 0 to HW filter on device lag1 [ 24.440939][ T399] Mirror/redirect action on [ 24.623441][ T402] GACT probability NOT on [ 24.717916][ T403] lag2: Port device veth5 removed [ 28.859153][ T413] lag2: Port device veth3 removed [ 34.270906][ T443] lag2: Mode changed to "loadbalance" [ 34.465372][ T446] lag2: Port device veth3 added [ 34.735134][ T451] lag2: Port device veth5 added [ 34.883977][ T453] 8021q: adding VLAN 0 to HW filter on device lag2 [ 34.974222][ T454] 8021q: adding VLAN 0 to HW filter on device lag2 [ 41.417399][ T488] lag2: Port device veth3 removed [ 45.518659][ T498] lag2: Port device veth5 removed [ 50.903536][ T528] lag2: Mode changed to "loadbalance" [ 51.073991][ T531] lag2: Port device veth3 added [ 51.371626][ T536] lag2: Port device veth5 added [ 51.533372][ T538] 8021q: adding VLAN 0 to HW filter on device lag2 [ 51.614208][ T539] 8021q: adding VLAN 0 to HW filter on device lag2 [ 58.078922][ T365] lag1: Port device veth4 removed [ 58.085332][ T365] lag1: Port device veth2 removed [ 59.920352][ T528] lag2: Port device veth5 removed [ 59.923819][ T528] lag2: Port device veth3 removed