[ 90.614401][ T744] 8021q: 802.1Q VLAN Support v1.8 [ 94.187038][ T790] gre: GRE over IPv4 demultiplexor driver [ 94.200350][ T790] ip_gre: GRE over IPv4 tunneling driver [ 94.894033][ T809] lag: Mode changed to "loadbalance" [ 95.102215][ T812] lag: Port device veth2 added [ 95.393929][ T820] lag: Port device veth4 added [ 95.560089][ T822] 8021q: adding VLAN 0 to HW filter on device lag [ 95.629878][ T823] br1: port 1(lag) entered blocking state [ 95.630148][ T823] br1: port 1(lag) entered disabled state [ 95.630826][ T823] lag: entered allmulticast mode [ 95.631007][ T823] veth2: entered allmulticast mode [ 95.631424][ T823] veth4: entered allmulticast mode [ 95.633873][ T823] veth2: entered promiscuous mode [ 95.634231][ T823] veth4: entered promiscuous mode [ 95.727217][ T824] br1: port 1(lag) entered blocking state [ 95.727520][ T824] br1: port 1(lag) entered forwarding state [ 102.922174][ T858] Mirror/redirect action on [ 113.481185][ T868] [ 113.481490][ T868] ============================= [ 113.481674][ T868] WARNING: suspicious RCU usage [ 113.481853][ T868] 6.14.0-rc6-virtme #1 Not tainted [ 113.482051][ T868] ----------------------------- [ 113.482238][ T868] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 113.482528][ T868] [ 113.482528][ T868] other info that might help us debug this: [ 113.482528][ T868] [ 113.482853][ T868] [ 113.482853][ T868] rcu_scheduler_active = 2, debug_locks = 1 [ 113.483122][ T868] 1 lock held by arping/868: [ 113.483294][ T868] #0: ffffffff87f5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 113.483615][ T868] [ 113.483615][ T868] stack backtrace: [ 113.483822][ T868] CPU: 0 UID: 0 PID: 868 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 113.483827][ T868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.483829][ T868] Call Trace: [ 113.483831][ T868] [ 113.483834][ T868] dump_stack_lvl+0xb0/0xd0 [ 113.483842][ T868] lockdep_rcu_suspicious+0x1ea/0x280 [ 113.483854][ T868] dev_hard_start_xmit+0x2fc/0x3f0 [ 113.483864][ T868] __dev_queue_xmit+0xfaf/0x18d0 [ 113.483878][ T868] ? __pfx___dev_queue_xmit+0x10/0x10 [ 113.483882][ T868] ? packet_parse_headers+0x231/0x9c0 [ 113.483892][ T868] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 113.483899][ T868] ? __pfx_packet_parse_headers+0x10/0x10 [ 113.483904][ T868] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 113.483910][ T868] ? dev_get_by_index+0xb2/0x190 [ 113.483921][ T868] packet_snd+0xd0c/0x19d0 [ 113.483933][ T868] ? __lock_release+0x103/0x460 [ 113.483937][ T868] ? __might_fault+0x11b/0x170 [ 113.483945][ T868] ? __pfx_packet_snd+0x10/0x10 [ 113.483947][ T868] ? trace_lock_acquire+0x14c/0x1f0 [ 113.483950][ T868] ? __pfx___lock_release+0x10/0x10 [ 113.483957][ T868] ? lock_acquire+0x32/0xc0 [ 113.483963][ T868] ? __might_fault+0x11b/0x170 [ 113.483974][ T868] __sys_sendto+0x3c3/0x450 [ 113.483980][ T868] ? __pfx___sys_sendto+0x10/0x10 [ 113.483991][ T868] ? __lock_release+0x103/0x460 [ 113.483996][ T868] ? __pfx___lock_release+0x10/0x10 [ 113.484006][ T868] ? __pfx___up_read+0x10/0x10 [ 113.484015][ T868] ? do_user_addr_fault+0x374/0xe30 [ 113.484026][ T868] ? do_user_addr_fault+0x374/0xe30 [ 113.484034][ T868] __x64_sys_sendto+0xe0/0x1c0 [ 113.484038][ T868] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 113.484043][ T868] do_syscall_64+0xc1/0x1d0 [ 113.484052][ T868] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 113.484058][ T868] RIP: 0033:0x7f32034e4a4a [ 113.484064][ T868] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 113.484067][ T868] RSP: 002b:00007fffd301f078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 113.484072][ T868] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f32034e4a4a [ 113.484074][ T868] RDX: 000000000000001c RSI: 00007fffd301f090 RDI: 0000000000000005 [ 113.484076][ T868] RBP: 00007fffd301f1e0 R08: 00007fffd3020640 R09: 0000000000000014 [ 113.484078][ T868] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd3020918 [ 113.484080][ T868] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f32035ea000 [ 113.484096][ T868] [ 117.654228][ T55] br1: port 1(lag) entered disabled state [ 123.818105][ T55] br1: port 1(lag) entered blocking state [ 123.818403][ T55] br1: port 1(lag) entered forwarding state [ 139.241147][ T55] br1: port 1(lag) entered disabled state [ 145.298848][ T46] br1: port 1(lag) entered blocking state [ 145.299148][ T46] br1: port 1(lag) entered forwarding state [ 146.040359][ T962] lag: left allmulticast mode [ 146.040639][ T962] veth2: left allmulticast mode [ 146.040870][ T962] veth4: left allmulticast mode [ 146.041290][ T962] veth2: left promiscuous mode [ 146.041611][ T962] veth4: left promiscuous mode [ 146.041845][ T962] br1: port 1(lag) entered disabled state [ 146.136696][ T809] lag: Port device veth4 removed [ 146.141154][ T809] lag: Port device veth2 removed