[ 11.251292][ T249] ip (249) used greatest stack depth: 24496 bytes left [ 12.064795][ T275] ip (275) used greatest stack depth: 23680 bytes left [ 16.429700][ T328] br1: port 1(vx1) entered blocking state [ 16.430956][ T328] br1: port 1(vx1) entered disabled state [ 16.431351][ T328] vx1: entered allmulticast mode [ 16.433463][ T328] vx1: entered promiscuous mode [ 16.434945][ T328] br1: port 1(vx1) entered blocking state [ 16.435269][ T328] br1: port 1(vx1) entered forwarding state [ 16.518284][ T329] br1: port 2(veth1) entered blocking state [ 16.518633][ T329] br1: port 2(veth1) entered disabled state [ 16.518980][ T329] veth1: entered allmulticast mode [ 16.521183][ T329] veth1: entered promiscuous mode [ 16.600352][ T40] br1: port 2(veth1) entered blocking state [ 16.600814][ T40] br1: port 2(veth1) entered forwarding state [ 16.676137][ T331] br1: port 3(veth2) entered blocking state [ 16.676465][ T331] br1: port 3(veth2) entered disabled state [ 16.676770][ T331] veth2: entered allmulticast mode [ 16.678703][ T331] veth2: entered promiscuous mode [ 16.773828][ T46] br1: port 3(veth2) entered blocking state [ 16.774155][ T46] br1: port 3(veth2) entered forwarding state [ 20.281322][ T377] br2: port 1(w1) entered blocking state [ 20.281572][ T377] br2: port 1(w1) entered disabled state [ 20.281796][ T377] w1: entered allmulticast mode [ 20.283684][ T377] w1: entered promiscuous mode [ 20.801834][ T383] br2: port 2(vx2) entered blocking state [ 20.802070][ T383] br2: port 2(vx2) entered disabled state [ 20.802317][ T383] vx2: entered allmulticast mode [ 20.804251][ T383] vx2: entered promiscuous mode [ 20.805030][ T383] br2: port 2(vx2) entered blocking state [ 20.805241][ T383] br2: port 2(vx2) entered forwarding state [ 21.440426][ T46] br2: port 1(w1) entered blocking state [ 21.440831][ T46] br2: port 1(w1) entered forwarding state [ 23.126590][ T414] br2: port 1(w1) entered blocking state [ 23.126823][ T414] br2: port 1(w1) entered disabled state [ 23.127047][ T414] w1: entered allmulticast mode [ 23.128940][ T414] w1: entered promiscuous mode [ 23.615584][ T420] br2: port 2(vx2) entered blocking state [ 23.615809][ T420] br2: port 2(vx2) entered disabled state [ 23.616019][ T420] vx2: entered allmulticast mode [ 23.618290][ T420] vx2: entered promiscuous mode [ 23.619047][ T420] br2: port 2(vx2) entered blocking state [ 23.619259][ T420] br2: port 2(vx2) entered forwarding state [ 24.223892][ T41] br2: port 1(w1) entered blocking state [ 24.224151][ T41] br2: port 1(w1) entered forwarding state [ 35.798664][ T511] GACT probability NOT on [ 40.030247][ T605] [ 40.030540][ T605] ============================= [ 40.030742][ T605] WARNING: suspicious RCU usage [ 40.030979][ T605] 6.14.0-rc6-virtme #1 Not tainted [ 40.031199][ T605] ----------------------------- [ 40.031631][ T605] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 40.031981][ T605] [ 40.031981][ T605] other info that might help us debug this: [ 40.031981][ T605] [ 40.032396][ T605] [ 40.032396][ T605] rcu_scheduler_active = 2, debug_locks = 1 [ 40.032700][ T605] 1 lock held by mausezahn/605: [ 40.032903][ T605] #0: ffffffff9a75b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 40.033290][ T605] [ 40.033290][ T605] stack backtrace: [ 40.033543][ T605] CPU: 0 UID: 0 PID: 605 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 40.033548][ T605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.033550][ T605] Call Trace: [ 40.033551][ T605] [ 40.033554][ T605] dump_stack_lvl+0xb0/0xd0 [ 40.033562][ T605] lockdep_rcu_suspicious+0x1ea/0x280 [ 40.033572][ T605] dev_hard_start_xmit+0x2fc/0x3f0 [ 40.033582][ T605] __dev_queue_xmit+0xfaf/0x18d0 [ 40.033597][ T605] ? __pfx___dev_queue_xmit+0x10/0x10 [ 40.033601][ T605] ? packet_parse_headers+0x231/0x9c0 [ 40.033610][ T605] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 40.033616][ T605] ? __pfx_packet_parse_headers+0x10/0x10 [ 40.033621][ T605] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 40.033626][ T605] ? dev_get_by_index+0xb2/0x190 [ 40.033638][ T605] packet_snd+0xd0c/0x19d0 [ 40.033650][ T605] ? __lock_release+0x103/0x460 [ 40.033654][ T605] ? __might_fault+0x11b/0x170 [ 40.033660][ T605] ? __pfx_packet_snd+0x10/0x10 [ 40.033663][ T605] ? trace_lock_acquire+0x14c/0x1f0 [ 40.033665][ T605] ? __might_fault+0x11b/0x170 [ 40.033672][ T605] ? lock_acquire+0x32/0xc0 [ 40.033679][ T605] ? __might_fault+0x11b/0x170 [ 40.033690][ T605] __sys_sendto+0x3c3/0x450 [ 40.033696][ T605] ? __pfx___sys_sendto+0x10/0x10 [ 40.033710][ T605] ? sock_ioctl+0x3b6/0x590 [ 40.033719][ T605] ? __pfx___up_read+0x10/0x10 [ 40.033727][ T605] ? do_user_addr_fault+0x374/0xe30 [ 40.033738][ T605] ? do_user_addr_fault+0x374/0xe30 [ 40.033745][ T605] __x64_sys_sendto+0xe0/0x1c0 [ 40.033748][ T605] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 40.033754][ T605] do_syscall_64+0xc1/0x1d0 [ 40.033761][ T605] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 40.033766][ T605] RIP: 0033:0x7f3981157a4a [ 40.033771][ T605] 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 [ 40.033774][ T605] RSP: 002b:00007ffd0695e018 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 40.033778][ T605] RAX: ffffffffffffffda RBX: 000000003e9119d0 RCX: 00007f3981157a4a [ 40.033780][ T605] RDX: 000000000000006a RSI: 000000003e911cc2 RDI: 0000000000000005 [ 40.033782][ T605] RBP: 000000003e911cc2 R08: 00007ffd0695e020 R09: 0000000000000014 [ 40.033784][ T605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.033785][ T605] R13: 000000000000006a R14: 00007ffd0695e020 R15: 0000000000000000 [ 40.033801][ T605] [ 54.344673][ T843] veth3: entered promiscuous mode [ 83.409363][ T1332] veth3: left promiscuous mode [ 106.451491][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 106.553575][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 106.654450][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 106.755479][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 106.856590][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 106.957686][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 107.058709][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 107.159840][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 107.260750][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 107.361747][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 159.685891][ C2] net_ratelimit: 10 callbacks suppressed [ 159.685901][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 159.787498][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 159.888348][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 159.989210][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 160.090211][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 160.191009][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 160.292035][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 160.393361][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 160.494332][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 160.595076][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 161.398395][ T2448] vx1: left allmulticast mode [ 161.398734][ T2448] vx1: left promiscuous mode [ 161.399062][ T2448] br1: port 1(vx1) entered disabled state [ 166.529596][ T2450] br1: port 1(vx1) entered blocking state [ 166.529833][ T2450] br1: port 1(vx1) entered disabled state [ 166.530055][ T2450] vx1: entered allmulticast mode [ 166.531954][ T2450] vx1: entered promiscuous mode [ 166.533197][ T2450] br1: port 1(vx1) entered blocking state [ 166.533401][ T2450] br1: port 1(vx1) entered forwarding state [ 197.078200][ T2821] veth3: entered promiscuous mode [ 232.477426][ T3310] veth3: left promiscuous mode [ 233.845325][ T3332] vx1: left allmulticast mode [ 233.845645][ T3332] vx1: left promiscuous mode [ 233.846007][ T3332] br1: port 1(vx1) entered disabled state [ 239.011351][ T3334] br1: port 1(vx1) entered blocking state [ 239.011807][ T3334] br1: port 1(vx1) entered disabled state [ 239.012221][ T3334] vx1: entered allmulticast mode [ 239.015603][ T3334] vx1: entered promiscuous mode [ 239.016926][ T3334] br1: port 1(vx1) entered blocking state [ 239.017328][ T3334] br1: port 1(vx1) entered forwarding state [ 369.371761][ T4245] vx1: left allmulticast mode [ 369.372016][ T4245] vx1: left promiscuous mode [ 369.372351][ T4245] br1: port 1(vx1) entered disabled state [ 374.536230][ T4247] br1: port 1(vx1) entered blocking state [ 374.536494][ T4247] br1: port 1(vx1) entered disabled state [ 374.536721][ T4247] vx1: entered allmulticast mode [ 374.539162][ T4247] vx1: entered promiscuous mode [ 374.540151][ T4247] br1: port 1(vx1) entered blocking state [ 374.540407][ T4247] br1: port 1(vx1) entered forwarding state [ 381.549148][ T12] vx2: left allmulticast mode [ 381.549614][ T12] vx2: left promiscuous mode [ 381.550160][ T12] br2: port 2(vx2) entered disabled state [ 381.555893][ T12] w1: left allmulticast mode [ 381.557039][ T12] w1: left promiscuous mode [ 381.557562][ T12] br2: port 1(w1) entered disabled state [ 382.005053][ T12] vx2: left allmulticast mode [ 382.005873][ T12] vx2: left promiscuous mode [ 382.006247][ T12] br2: port 2(vx2) entered disabled state [ 382.009048][ T12] w1: left allmulticast mode [ 382.009608][ T12] w1: left promiscuous mode [ 382.009930][ T12] br2: port 1(w1) entered disabled state [ 384.580324][ T4293] vx1: left allmulticast mode [ 384.580682][ T4293] vx1: left promiscuous mode [ 384.581199][ T4293] br1: port 1(vx1) entered disabled state [ 384.899362][ T4296] br1: port 3(veth2) entered disabled state [ 384.991712][ T4297] veth2: left allmulticast mode [ 384.991974][ T4297] veth2: left promiscuous mode [ 384.992533][ T4297] br1: port 3(veth2) entered disabled state [ 385.091183][ T4298] br1: port 2(veth1) entered disabled state [ 385.179044][ T4299] veth1: left allmulticast mode [ 385.179296][ T4299] veth1: left promiscuous mode [ 385.179608][ T4299] br1: port 2(veth1) entered disabled state