[ 44.706475][ T250] ip (250) used greatest stack depth: 23360 bytes left [ 50.282509][ T327] br1: port 1(vx1) entered blocking state [ 50.283054][ T327] br1: port 1(vx1) entered disabled state [ 50.284064][ T327] vx1: entered allmulticast mode [ 50.286728][ T327] vx1: entered promiscuous mode [ 50.289217][ T327] br1: port 1(vx1) entered blocking state [ 50.289780][ T327] br1: port 1(vx1) entered forwarding state [ 50.377734][ T329] br1: port 2(veth1) entered blocking state [ 50.378034][ T329] br1: port 2(veth1) entered disabled state [ 50.378330][ T329] veth1: entered allmulticast mode [ 50.380254][ T329] veth1: entered promiscuous mode [ 50.466339][ T40] br1: port 2(veth1) entered blocking state [ 50.467085][ T40] br1: port 2(veth1) entered forwarding state [ 50.538731][ T331] br1: port 3(veth2) entered blocking state [ 50.539448][ T331] br1: port 3(veth2) entered disabled state [ 50.539767][ T331] veth2: entered allmulticast mode [ 50.542329][ T331] veth2: entered promiscuous mode [ 50.642511][ T40] br1: port 3(veth2) entered blocking state [ 50.642859][ T40] br1: port 3(veth2) entered forwarding state [ 54.066161][ T376] br2: port 1(w1) entered blocking state [ 54.066422][ T376] br2: port 1(w1) entered disabled state [ 54.066662][ T376] w1: entered allmulticast mode [ 54.068606][ T376] w1: entered promiscuous mode [ 54.572333][ T382] br2: port 2(vx2) entered blocking state [ 54.572577][ T382] br2: port 2(vx2) entered disabled state [ 54.572860][ T382] vx2: entered allmulticast mode [ 54.575170][ T382] vx2: entered promiscuous mode [ 54.576132][ T382] br2: port 2(vx2) entered blocking state [ 54.576412][ T382] br2: port 2(vx2) entered forwarding state [ 55.244991][ T41] br2: port 1(w1) entered blocking state [ 55.245586][ T41] br2: port 1(w1) entered forwarding state [ 57.107340][ T414] br2: port 1(w1) entered blocking state [ 57.107673][ T414] br2: port 1(w1) entered disabled state [ 57.107951][ T414] w1: entered allmulticast mode [ 57.110197][ T414] w1: entered promiscuous mode [ 57.700893][ T420] br2: port 2(vx2) entered blocking state [ 57.701153][ T420] br2: port 2(vx2) entered disabled state [ 57.701402][ T420] vx2: entered allmulticast mode [ 57.703669][ T420] vx2: entered promiscuous mode [ 57.705030][ T420] br2: port 2(vx2) entered blocking state [ 57.705376][ T420] br2: port 2(vx2) entered forwarding state [ 58.365392][ T40] br2: port 1(w1) entered blocking state [ 58.365654][ T40] br2: port 1(w1) entered forwarding state [ 69.965898][ T511] GACT probability NOT on [ 74.307372][ T605] [ 74.307671][ T605] ============================= [ 74.307914][ T605] WARNING: suspicious RCU usage [ 74.308141][ T605] 6.14.0-rc6-virtme #1 Not tainted [ 74.308342][ T605] ----------------------------- [ 74.308538][ T605] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 74.308864][ T605] [ 74.308864][ T605] other info that might help us debug this: [ 74.308864][ T605] [ 74.309244][ T605] [ 74.309244][ T605] rcu_scheduler_active = 2, debug_locks = 1 [ 74.309526][ T605] 1 lock held by mausezahn/605: [ 74.309720][ T605] #0: ffffffff8bb5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 74.310076][ T605] [ 74.310076][ T605] stack backtrace: [ 74.310322][ T605] CPU: 0 UID: 0 PID: 605 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 74.310326][ T605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 74.310328][ T605] Call Trace: [ 74.310329][ T605] [ 74.310332][ T605] dump_stack_lvl+0xb0/0xd0 [ 74.310339][ T605] lockdep_rcu_suspicious+0x1ea/0x280 [ 74.310350][ T605] dev_hard_start_xmit+0x2fc/0x3f0 [ 74.310360][ T605] __dev_queue_xmit+0xfaf/0x18d0 [ 74.310374][ T605] ? __pfx___dev_queue_xmit+0x10/0x10 [ 74.310378][ T605] ? packet_parse_headers+0x231/0x9c0 [ 74.310387][ T605] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 74.310393][ T605] ? __pfx_packet_parse_headers+0x10/0x10 [ 74.310397][ T605] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 74.310402][ T605] ? dev_get_by_index+0xb2/0x190 [ 74.310413][ T605] packet_snd+0xd0c/0x19d0 [ 74.310425][ T605] ? __lock_release+0x103/0x460 [ 74.310428][ T605] ? __might_fault+0x11b/0x170 [ 74.310435][ T605] ? __pfx_packet_snd+0x10/0x10 [ 74.310437][ T605] ? trace_lock_acquire+0x14c/0x1f0 [ 74.310440][ T605] ? __might_fault+0x11b/0x170 [ 74.310446][ T605] ? lock_acquire+0x32/0xc0 [ 74.310453][ T605] ? __might_fault+0x11b/0x170 [ 74.310464][ T605] __sys_sendto+0x3c3/0x450 [ 74.310469][ T605] ? __pfx___sys_sendto+0x10/0x10 [ 74.310484][ T605] ? sock_ioctl+0x3b6/0x590 [ 74.310494][ T605] ? __pfx___up_read+0x10/0x10 [ 74.310502][ T605] ? do_user_addr_fault+0x374/0xe30 [ 74.310512][ T605] ? do_user_addr_fault+0x374/0xe30 [ 74.310519][ T605] __x64_sys_sendto+0xe0/0x1c0 [ 74.310523][ T605] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 74.310528][ T605] do_syscall_64+0xc1/0x1d0 [ 74.310535][ T605] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.310540][ T605] RIP: 0033:0x7f59a0289a4a [ 74.310544][ 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 [ 74.310547][ T605] RSP: 002b:00007fffd34c9608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 74.310550][ T605] RAX: ffffffffffffffda RBX: 000000001d04c9d0 RCX: 00007f59a0289a4a [ 74.310553][ T605] RDX: 000000000000006a RSI: 000000001d04ccc2 RDI: 0000000000000005 [ 74.310554][ T605] RBP: 000000001d04ccc2 R08: 00007fffd34c9610 R09: 0000000000000014 [ 74.310556][ T605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.310558][ T605] R13: 000000000000006a R14: 00007fffd34c9610 R15: 0000000000000000 [ 74.310574][ T605] [ 88.756077][ T843] veth3: entered promiscuous mode [ 116.379652][ T1332] veth3: left promiscuous mode [ 140.099880][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.201509][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.302411][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.403358][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.504311][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.605286][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.706388][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.807419][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 140.908420][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 141.009508][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 145.117622][ C3] net_ratelimit: 9 callbacks suppressed [ 145.117636][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x2 [ 194.755177][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 194.856504][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 194.957361][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 195.058091][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 195.158962][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 195.259705][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 195.360451][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 195.461305][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 195.562295][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 195.663035][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 196.499378][ T2448] vx1: left allmulticast mode [ 196.499614][ T2448] vx1: left promiscuous mode [ 196.499947][ T2448] br1: port 1(vx1) entered disabled state [ 201.639132][ T2450] br1: port 1(vx1) entered blocking state [ 201.639406][ T2450] br1: port 1(vx1) entered disabled state [ 201.639659][ T2450] vx1: entered allmulticast mode [ 201.641655][ T2450] vx1: entered promiscuous mode [ 201.642629][ T2450] br1: port 1(vx1) entered blocking state [ 201.642864][ T2450] br1: port 1(vx1) entered forwarding state [ 232.149078][ T2821] veth3: entered promiscuous mode [ 262.477329][ T3310] veth3: left promiscuous mode [ 263.794471][ T3332] vx1: left allmulticast mode [ 263.794860][ T3332] vx1: left promiscuous mode [ 263.796085][ T3332] br1: port 1(vx1) entered disabled state [ 268.942099][ T3334] br1: port 1(vx1) entered blocking state [ 268.942737][ T3334] br1: port 1(vx1) entered disabled state [ 268.950604][ T3334] vx1: entered allmulticast mode [ 268.953399][ T3334] vx1: entered promiscuous mode [ 268.954418][ T3334] br1: port 1(vx1) entered blocking state [ 268.954671][ T3334] br1: port 1(vx1) entered forwarding state [ 397.045646][ T4244] vx1: left allmulticast mode [ 397.045947][ T4244] vx1: left promiscuous mode [ 397.046341][ T4244] br1: port 1(vx1) entered disabled state [ 402.195987][ T4246] br1: port 1(vx1) entered blocking state [ 402.196281][ T4246] br1: port 1(vx1) entered disabled state [ 402.196525][ T4246] vx1: entered allmulticast mode [ 402.198740][ T4246] vx1: entered promiscuous mode [ 402.199537][ T4246] br1: port 1(vx1) entered blocking state [ 402.199753][ T4246] br1: port 1(vx1) entered forwarding state [ 409.113653][ T4260] ip (4260) used greatest stack depth: 23064 bytes left [ 409.186590][ T66] vx2: left allmulticast mode [ 409.186884][ T66] vx2: left promiscuous mode [ 409.187345][ T66] br2: port 2(vx2) entered disabled state [ 409.190911][ T66] w1: left allmulticast mode [ 409.191146][ T66] w1: left promiscuous mode [ 409.191534][ T66] br2: port 1(w1) entered disabled state [ 409.622968][ T66] vx2: left allmulticast mode [ 409.623257][ T66] vx2: left promiscuous mode [ 409.623641][ T66] br2: port 2(vx2) entered disabled state [ 409.627759][ T66] w1: left allmulticast mode [ 409.628025][ T66] w1: left promiscuous mode [ 409.628794][ T66] br2: port 1(w1) entered disabled state [ 412.238356][ T4292] vx1: left allmulticast mode [ 412.238643][ T4292] vx1: left promiscuous mode [ 412.239034][ T4292] br1: port 1(vx1) entered disabled state [ 412.598880][ T4295] br1: port 3(veth2) entered disabled state [ 412.680937][ T4296] veth2: left allmulticast mode [ 412.682366][ T4296] veth2: left promiscuous mode [ 412.682769][ T4296] br1: port 3(veth2) entered disabled state [ 412.781549][ T4297] br1: port 2(veth1) entered disabled state [ 412.863666][ T4298] veth1: left allmulticast mode [ 412.863900][ T4298] veth1: left promiscuous mode [ 412.864223][ T4298] br1: port 2(veth1) entered disabled state