[ 12.898817][ T308] 8021q: 802.1Q VLAN Support v1.8 [ 15.672799][ T378] GACT probability NOT on [ 16.837798][ T414] br10: port 1(veth1.10) entered blocking state [ 16.839137][ T414] br10: port 1(veth1.10) entered disabled state [ 16.839541][ T414] veth1.10: entered allmulticast mode [ 16.839746][ T414] veth1: entered allmulticast mode [ 16.842100][ T414] veth1.10: entered promiscuous mode [ 16.842330][ T414] veth1: entered promiscuous mode [ 17.262596][ T431] br11: port 1(veth1.11) entered blocking state [ 17.263185][ T431] br11: port 1(veth1.11) entered disabled state [ 17.263490][ T431] veth1.11: entered allmulticast mode [ 17.265393][ T431] veth1.11: entered promiscuous mode [ 18.069009][ T461] br10: port 2(veth2.10) entered blocking state [ 18.069294][ T461] br10: port 2(veth2.10) entered disabled state [ 18.069558][ T461] veth2.10: entered allmulticast mode [ 18.069734][ T461] veth2: entered allmulticast mode [ 18.071659][ T461] veth2.10: entered promiscuous mode [ 18.071860][ T461] veth2: entered promiscuous mode [ 18.530956][ T478] br11: port 2(veth2.11) entered blocking state [ 18.531269][ T478] br11: port 2(veth2.11) entered disabled state [ 18.531569][ T478] veth2.11: entered allmulticast mode [ 18.534052][ T478] veth2.11: entered promiscuous mode [ 18.938765][ T490] br10: port 2(veth2.10) entered blocking state [ 18.939188][ T490] br10: port 2(veth2.10) entered forwarding state [ 18.939866][ T490] br10: port 1(veth1.10) entered blocking state [ 18.940131][ T490] br10: port 1(veth1.10) entered forwarding state [ 19.038977][ T495] br11: port 2(veth2.11) entered blocking state [ 19.039354][ T495] br11: port 2(veth2.11) entered forwarding state [ 19.039790][ T495] br11: port 1(veth1.11) entered blocking state [ 19.040032][ T495] br11: port 1(veth1.11) entered forwarding state [ 27.838047][ T549] [ 27.838387][ T549] ============================= [ 27.838547][ T549] WARNING: suspicious RCU usage [ 27.838868][ T549] 6.14.0-rc6-virtme #1 Not tainted [ 27.839017][ T549] ----------------------------- [ 27.839180][ T549] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 27.839446][ T549] [ 27.839446][ T549] other info that might help us debug this: [ 27.839446][ T549] [ 27.839763][ T549] [ 27.839763][ T549] rcu_scheduler_active = 2, debug_locks = 1 [ 27.839983][ T549] 1 lock held by mausezahn/549: [ 27.840146][ T549] #0: ffffffff91f5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 27.840447][ T549] [ 27.840447][ T549] stack backtrace: [ 27.840640][ T549] CPU: 3 UID: 0 PID: 549 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 27.840644][ T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.840646][ T549] Call Trace: [ 27.840648][ T549] [ 27.840650][ T549] dump_stack_lvl+0xb0/0xd0 [ 27.840657][ T549] lockdep_rcu_suspicious+0x1ea/0x280 [ 27.840667][ T549] dev_hard_start_xmit+0x2fc/0x3f0 [ 27.840677][ T549] __dev_queue_xmit+0xfaf/0x18d0 [ 27.840683][ T549] ? __pfx__copy_from_iter+0x10/0x10 [ 27.840691][ T549] ? __pfx_vlan_parse_protocol+0x10/0x10 [8021q] [ 27.840704][ T549] ? __pfx___dev_queue_xmit+0x10/0x10 [ 27.840708][ T549] ? packet_parse_headers+0x231/0x9c0 [ 27.840716][ T549] ? copy_page_from_iter+0xbd/0x120 [ 27.840722][ T549] ? __pfx_packet_parse_headers+0x10/0x10 [ 27.840726][ T549] ? skb_copy_datagram_from_iter+0x29f/0x6f0 [ 27.840740][ T549] packet_snd+0xd0c/0x19d0 [ 27.840751][ T549] ? __lock_release+0x103/0x460 [ 27.840755][ T549] ? __might_fault+0x11b/0x170 [ 27.840761][ T549] ? __pfx_packet_snd+0x10/0x10 [ 27.840763][ T549] ? trace_lock_acquire+0x14c/0x1f0 [ 27.840765][ T549] ? __might_fault+0x11b/0x170 [ 27.840772][ T549] ? lock_acquire+0x32/0xc0 [ 27.840778][ T549] ? __might_fault+0x11b/0x170 [ 27.840789][ T549] __sys_sendto+0x3c3/0x450 [ 27.840795][ T549] ? __pfx___sys_sendto+0x10/0x10 [ 27.840809][ T549] ? sock_ioctl+0x3b6/0x590 [ 27.840813][ T549] ? __pfx___lock_release+0x10/0x10 [ 27.840821][ T549] ? __pfx___up_read+0x10/0x10 [ 27.840830][ T549] ? do_user_addr_fault+0x972/0xe30 [ 27.840839][ T549] ? do_user_addr_fault+0x97c/0xe30 [ 27.840846][ T549] __x64_sys_sendto+0xe0/0x1c0 [ 27.840850][ T549] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 27.840855][ T549] do_syscall_64+0xc1/0x1d0 [ 27.840862][ T549] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.840867][ T549] RIP: 0033:0x7fc1dbbe4a4a [ 27.840871][ T549] 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 [ 27.840873][ T549] RSP: 002b:00007ffccb8ca778 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 27.840877][ T549] RAX: ffffffffffffffda RBX: 00000000043d19d0 RCX: 00007fc1dbbe4a4a [ 27.840879][ T549] RDX: 0000000000001f6a RSI: 00000000043d48e2 RDI: 0000000000000005 [ 27.840880][ T549] RBP: 00000000043d48e2 R08: 00007ffccb8ca780 R09: 0000000000000014 [ 27.840882][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 27.840883][ T549] R13: 0000000000001f6a R14: 00007ffccb8ca780 R15: 0000000000000000 [ 27.840899][ T549] [ 99.568657][ T838] br11: port 2(veth2.11) entered disabled state [ 99.570493][ T838] br11: port 1(veth1.11) entered disabled state [ 99.684798][ T840] br10: port 2(veth2.10) entered disabled state [ 99.685380][ T840] br10: port 1(veth1.10) entered disabled state [ 99.869355][ T844] veth2.11: left allmulticast mode [ 99.869636][ T844] veth2.11: left promiscuous mode [ 99.870197][ T844] br11: port 2(veth2.11) entered disabled state [ 100.175765][ T852] veth2.10: left allmulticast mode [ 100.175995][ T852] veth2: left allmulticast mode [ 100.176207][ T852] veth2.10: left promiscuous mode [ 100.176390][ T852] veth2: left promiscuous mode [ 100.176863][ T852] br10: port 2(veth2.10) entered disabled state [ 100.703214][ T862] veth1.11: left allmulticast mode [ 100.703453][ T862] veth1.11: left promiscuous mode [ 100.703963][ T862] br11: port 1(veth1.11) entered disabled state [ 101.007144][ T868] veth1.10: left allmulticast mode [ 101.007426][ T868] veth1: left allmulticast mode [ 101.007713][ T868] veth1.10: left promiscuous mode [ 101.007949][ T868] veth1: left promiscuous mode [ 101.008530][ T868] br10: port 1(veth1.10) entered disabled state [ 101.935266][ T882] ip (882) used greatest stack depth: 23824 bytes left