[ 17.763109][ T329] br1: port 1(vx1) entered blocking state [ 17.763557][ T329] br1: port 1(vx1) entered disabled state [ 17.763911][ T329] vx1: entered allmulticast mode [ 17.766038][ T329] vx1: entered promiscuous mode [ 17.769110][ T329] br1: port 1(vx1) entered blocking state [ 17.769443][ T329] br1: port 1(vx1) entered forwarding state [ 17.779110][ T329] ip (329) used greatest stack depth: 23776 bytes left [ 17.858558][ T330] br1: port 2(veth1) entered blocking state [ 17.859008][ T330] br1: port 2(veth1) entered disabled state [ 17.859450][ T330] veth1: entered allmulticast mode [ 17.861843][ T330] veth1: entered promiscuous mode [ 17.979042][ T146] br1: port 2(veth1) entered blocking state [ 17.979665][ T146] br1: port 2(veth1) entered forwarding state [ 18.424422][ T333] br1: port 3(veth2) entered blocking state [ 18.424939][ T333] br1: port 3(veth2) entered disabled state [ 18.425438][ T333] veth2: entered allmulticast mode [ 18.429024][ T333] veth2: entered promiscuous mode [ 18.816373][ T46] br1: port 3(veth2) entered blocking state [ 18.821348][ T46] br1: port 3(veth2) entered forwarding state [ 26.320127][ T380] br2: port 1(w1) entered blocking state [ 26.320624][ T380] br2: port 1(w1) entered disabled state [ 26.320854][ T380] w1: entered allmulticast mode [ 26.323041][ T380] w1: entered promiscuous mode [ 27.059488][ T386] br2: port 2(vx2) entered blocking state [ 27.059780][ T386] br2: port 2(vx2) entered disabled state [ 27.060035][ T386] vx2: entered allmulticast mode [ 27.062423][ T386] vx2: entered promiscuous mode [ 27.063422][ T386] br2: port 2(vx2) entered blocking state [ 27.063772][ T386] br2: port 2(vx2) entered forwarding state [ 27.870294][ T146] br2: port 1(w1) entered blocking state [ 27.870768][ T146] br2: port 1(w1) entered forwarding state [ 29.973388][ T419] br2: port 1(w1) entered blocking state [ 29.973715][ T419] br2: port 1(w1) entered disabled state [ 29.973971][ T419] w1: entered allmulticast mode [ 29.976300][ T419] w1: entered promiscuous mode [ 30.620397][ T425] br2: port 2(vx2) entered blocking state [ 30.620761][ T425] br2: port 2(vx2) entered disabled state [ 30.621064][ T425] vx2: entered allmulticast mode [ 30.623385][ T425] vx2: entered promiscuous mode [ 30.624376][ T425] br2: port 2(vx2) entered blocking state [ 30.624632][ T425] br2: port 2(vx2) entered forwarding state [ 31.377719][ T46] br2: port 1(w1) entered blocking state [ 31.377996][ T46] br2: port 1(w1) entered forwarding state [ 41.206620][ T498] GACT probability NOT on [ 93.165532][ T690] [ 93.165809][ T690] ============================= [ 93.165992][ T690] WARNING: suspicious RCU usage [ 93.166182][ T690] 6.14.0-rc6-virtme #1 Not tainted [ 93.166356][ T690] ----------------------------- [ 93.166542][ T690] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 93.166825][ T690] [ 93.166825][ T690] other info that might help us debug this: [ 93.166825][ T690] [ 93.167184][ T690] [ 93.167184][ T690] rcu_scheduler_active = 2, debug_locks = 1 [ 93.167429][ T690] 1 lock held by mausezahn/690: [ 93.167597][ T690] #0: ffffffff8ed5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 93.167907][ T690] [ 93.167907][ T690] stack backtrace: [ 93.168111][ T690] CPU: 1 UID: 0 PID: 690 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 93.168116][ T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.168117][ T690] Call Trace: [ 93.168119][ T690] [ 93.168121][ T690] dump_stack_lvl+0xb0/0xd0 [ 93.168128][ T690] lockdep_rcu_suspicious+0x1ea/0x280 [ 93.168139][ T690] dev_hard_start_xmit+0x2fc/0x3f0 [ 93.168149][ T690] __dev_queue_xmit+0xfaf/0x18d0 [ 93.168167][ T690] ? __pfx___dev_queue_xmit+0x10/0x10 [ 93.168171][ T690] ? packet_parse_headers+0x231/0x9c0 [ 93.168180][ T690] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 93.168186][ T690] ? __pfx_packet_parse_headers+0x10/0x10 [ 93.168190][ T690] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 93.168196][ T690] ? dev_get_by_index+0xb2/0x190 [ 93.168207][ T690] packet_snd+0xd0c/0x19d0 [ 93.168218][ T690] ? __lock_release+0x103/0x460 [ 93.168222][ T690] ? __might_fault+0x11b/0x170 [ 93.168229][ T690] ? __pfx_packet_snd+0x10/0x10 [ 93.168231][ T690] ? trace_lock_acquire+0x14c/0x1f0 [ 93.168233][ T690] ? __might_fault+0x11b/0x170 [ 93.168241][ T690] ? lock_acquire+0x32/0xc0 [ 93.168247][ T690] ? __might_fault+0x11b/0x170 [ 93.168258][ T690] __sys_sendto+0x3c3/0x450 [ 93.168264][ T690] ? __pfx___sys_sendto+0x10/0x10 [ 93.168279][ T690] ? sock_ioctl+0x3b6/0x590 [ 93.168283][ T690] ? __pfx___lock_release+0x10/0x10 [ 93.168291][ T690] ? __pfx___up_read+0x10/0x10 [ 93.168300][ T690] ? do_user_addr_fault+0x972/0xe30 [ 93.168309][ T690] ? do_user_addr_fault+0x97c/0xe30 [ 93.168316][ T690] __x64_sys_sendto+0xe0/0x1c0 [ 93.168320][ T690] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 93.168325][ T690] do_syscall_64+0xc1/0x1d0 [ 93.168332][ T690] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.168337][ T690] RIP: 0033:0x7f62e3bc0a4a [ 93.168342][ T690] 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 [ 93.168344][ T690] RSP: 002b:00007ffe23787988 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 93.168348][ T690] RAX: ffffffffffffffda RBX: 0000000016d12de0 RCX: 00007f62e3bc0a4a [ 93.168350][ T690] RDX: 000000000000007e RSI: 0000000016d130e2 RDI: 0000000000000005 [ 93.168351][ T690] RBP: 0000000016d130e2 R08: 00007ffe23787990 R09: 0000000000000014 [ 93.168353][ T690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 93.168355][ T690] R13: 000000000000007e R14: 00007ffe23787990 R15: 0000000000000000 [ 93.168371][ T690] [ 98.534482][ T765] veth3: entered promiscuous mode [ 129.779257][ T1254] veth3: left promiscuous mode [ 154.368382][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.469886][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.571001][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.672042][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.772909][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.873931][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.974796][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.075679][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.176843][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.277974][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.463761][ C3] net_ratelimit: 2 callbacks suppressed [ 159.463773][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.564896][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.665770][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.766649][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.867444][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.968288][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 160.069223][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 160.170351][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.066491][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.168004][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.269123][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.370128][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.471083][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.571918][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.672870][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.773709][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.874625][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.975697][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 224.661145][ T2224] vx1: left allmulticast mode [ 224.661441][ T2224] vx1: left promiscuous mode [ 224.661812][ T2224] br1: port 1(vx1) entered disabled state [ 230.138774][ T2229] br1: port 1(vx1) entered blocking state [ 230.139188][ T2229] br1: port 1(vx1) entered disabled state [ 230.139559][ T2229] vx1: entered allmulticast mode [ 230.143542][ T2229] vx1: entered promiscuous mode [ 230.144770][ T2229] br1: port 1(vx1) entered blocking state [ 230.145122][ T2229] br1: port 1(vx1) entered forwarding state [ 295.358314][ T2516] veth3: entered promiscuous mode [ 325.679699][ T3005] veth3: left promiscuous mode [ 326.489782][ T65] vx2: left allmulticast mode [ 326.490105][ T65] vx2: left promiscuous mode [ 326.490504][ T65] br2: port 2(vx2) entered disabled state [ 326.493356][ T65] w1: left allmulticast mode [ 326.493558][ T65] w1: left promiscuous mode [ 326.493869][ T65] br2: port 1(w1) entered disabled state [ 326.965237][ T65] vx2: left allmulticast mode [ 326.965513][ T65] vx2: left promiscuous mode [ 326.965830][ T65] br2: port 2(vx2) entered disabled state [ 326.968079][ T65] w1: left allmulticast mode [ 326.968327][ T65] w1: left promiscuous mode [ 326.968651][ T65] br2: port 1(w1) entered disabled state [ 329.062600][ T3044] br1: port 3(veth2) entered disabled state [ 329.139189][ T3045] veth2: left allmulticast mode [ 329.139446][ T3045] veth2: left promiscuous mode [ 329.139767][ T3045] br1: port 3(veth2) entered disabled state [ 329.374262][ T3047] br1: port 2(veth1) entered disabled state [ 329.455002][ T3048] veth1: left allmulticast mode [ 329.456521][ T3048] veth1: left promiscuous mode [ 329.456925][ T3048] br1: port 2(veth1) entered disabled state [ 329.546134][ T3049] vx1: left allmulticast mode [ 329.546435][ T3049] vx1: left promiscuous mode [ 329.546768][ T3049] br1: port 1(vx1) entered disabled state