[ 11.899858][ T249] ip (249) used greatest stack depth: 23360 bytes left [ 17.196100][ T325] br1: port 1(vx1) entered blocking state [ 17.197284][ T325] br1: port 1(vx1) entered disabled state [ 17.197960][ T325] vx1: entered allmulticast mode [ 17.201553][ T325] vx1: entered promiscuous mode [ 17.204048][ T325] br1: port 1(vx1) entered blocking state [ 17.204606][ T325] br1: port 1(vx1) entered forwarding state [ 17.313452][ T326] br1: port 2(veth1) entered blocking state [ 17.314167][ T326] br1: port 2(veth1) entered disabled state [ 17.314520][ T326] veth1: entered allmulticast mode [ 17.316554][ T326] veth1: entered promiscuous mode [ 17.401430][ T41] br1: port 2(veth1) entered blocking state [ 17.401981][ T41] br1: port 2(veth1) entered forwarding state [ 17.490246][ T329] br1: port 3(veth2) entered blocking state [ 17.490583][ T329] br1: port 3(veth2) entered disabled state [ 17.490875][ T329] veth2: entered allmulticast mode [ 17.493220][ T329] veth2: entered promiscuous mode [ 17.573175][ T40] br1: port 3(veth2) entered blocking state [ 17.573542][ T40] br1: port 3(veth2) entered forwarding state [ 21.032787][ T375] br2: port 1(w1) entered blocking state [ 21.033071][ T375] br2: port 1(w1) entered disabled state [ 21.033357][ T375] w1: entered allmulticast mode [ 21.035550][ T375] w1: entered promiscuous mode [ 21.555403][ T381] br2: port 2(vx2) entered blocking state [ 21.555655][ T381] br2: port 2(vx2) entered disabled state [ 21.555905][ T381] vx2: entered allmulticast mode [ 21.558710][ T381] vx2: entered promiscuous mode [ 21.559545][ T381] br2: port 2(vx2) entered blocking state [ 21.559753][ T381] br2: port 2(vx2) entered forwarding state [ 22.272117][ T41] br2: port 1(w1) entered blocking state [ 22.272667][ T41] br2: port 1(w1) entered forwarding state [ 24.106416][ T413] br2: port 1(w1) entered blocking state [ 24.106790][ T413] br2: port 1(w1) entered disabled state [ 24.107183][ T413] w1: entered allmulticast mode [ 24.110391][ T413] w1: entered promiscuous mode [ 24.644707][ T419] br2: port 2(vx2) entered blocking state [ 24.644993][ T419] br2: port 2(vx2) entered disabled state [ 24.645266][ T419] vx2: entered allmulticast mode [ 24.647209][ T419] vx2: entered promiscuous mode [ 24.648072][ T419] br2: port 2(vx2) entered blocking state [ 24.648321][ T419] br2: port 2(vx2) entered forwarding state [ 25.356799][ T40] br2: port 1(w1) entered blocking state [ 25.357170][ T40] br2: port 1(w1) entered forwarding state [ 37.122358][ T510] GACT probability NOT on [ 41.870809][ T604] [ 41.871112][ T604] ============================= [ 41.871312][ T604] WARNING: suspicious RCU usage [ 41.871483][ T604] 6.14.0-rc6-virtme #1 Not tainted [ 41.871659][ T604] ----------------------------- [ 41.872057][ T604] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 41.872347][ T604] [ 41.872347][ T604] other info that might help us debug this: [ 41.872347][ T604] [ 41.872648][ T604] [ 41.872648][ T604] rcu_scheduler_active = 2, debug_locks = 1 [ 41.872880][ T604] 1 lock held by mausezahn/604: [ 41.873049][ T604] #0: ffffffffb975b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 41.873360][ T604] [ 41.873360][ T604] stack backtrace: [ 41.873595][ T604] CPU: 2 UID: 0 PID: 604 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 41.873599][ T604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.873601][ T604] Call Trace: [ 41.873603][ T604] [ 41.873606][ T604] dump_stack_lvl+0xb0/0xd0 [ 41.873614][ T604] lockdep_rcu_suspicious+0x1ea/0x280 [ 41.873625][ T604] dev_hard_start_xmit+0x2fc/0x3f0 [ 41.873635][ T604] __dev_queue_xmit+0xfaf/0x18d0 [ 41.873650][ T604] ? __pfx___dev_queue_xmit+0x10/0x10 [ 41.873654][ T604] ? packet_parse_headers+0x231/0x9c0 [ 41.873663][ T604] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 41.873669][ T604] ? __pfx_packet_parse_headers+0x10/0x10 [ 41.873673][ T604] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 41.873679][ T604] ? dev_get_by_index+0xb2/0x190 [ 41.873690][ T604] packet_snd+0xd0c/0x19d0 [ 41.873701][ T604] ? __lock_release+0x103/0x460 [ 41.873705][ T604] ? __might_fault+0x11b/0x170 [ 41.873713][ T604] ? __pfx_packet_snd+0x10/0x10 [ 41.873715][ T604] ? trace_lock_acquire+0x14c/0x1f0 [ 41.873717][ T604] ? __might_fault+0x11b/0x170 [ 41.873724][ T604] ? lock_acquire+0x32/0xc0 [ 41.873731][ T604] ? __might_fault+0x11b/0x170 [ 41.873742][ T604] __sys_sendto+0x3c3/0x450 [ 41.873748][ T604] ? __pfx___sys_sendto+0x10/0x10 [ 41.873762][ T604] ? sock_ioctl+0x3b6/0x590 [ 41.873772][ T604] ? __pfx___up_read+0x10/0x10 [ 41.873780][ T604] ? do_user_addr_fault+0x374/0xe30 [ 41.873790][ T604] ? do_user_addr_fault+0x374/0xe30 [ 41.873797][ T604] __x64_sys_sendto+0xe0/0x1c0 [ 41.873801][ T604] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 41.873807][ T604] do_syscall_64+0xc1/0x1d0 [ 41.873814][ T604] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.873819][ T604] RIP: 0033:0x7f75c5e33a4a [ 41.873823][ T604] 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 [ 41.873826][ T604] RSP: 002b:00007ffc39fba8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 41.873829][ T604] RAX: ffffffffffffffda RBX: 00000000173809d0 RCX: 00007f75c5e33a4a [ 41.873831][ T604] RDX: 000000000000006a RSI: 0000000017380cc2 RDI: 0000000000000005 [ 41.873833][ T604] RBP: 0000000017380cc2 R08: 00007ffc39fba900 R09: 0000000000000014 [ 41.873835][ T604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.873837][ T604] R13: 000000000000006a R14: 00007ffc39fba900 R15: 0000000000000000 [ 41.873853][ T604] [ 57.860597][ T842] veth3: entered promiscuous mode [ 87.963173][ T1331] veth3: left promiscuous mode [ 111.644585][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 111.746317][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 111.847430][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 111.948530][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 112.049535][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 112.150693][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 112.252021][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 112.353306][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 112.454385][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 112.555434][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 166.363956][ C0] net_ratelimit: 10 callbacks suppressed [ 166.363969][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 166.465983][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 166.566942][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 166.667709][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 166.768481][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 166.869318][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 166.970352][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 167.071424][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 167.172442][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 167.273393][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 168.228773][ T2447] vx1: left allmulticast mode [ 168.229033][ T2447] vx1: left promiscuous mode [ 168.229380][ T2447] br1: port 1(vx1) entered disabled state [ 173.401225][ T2449] br1: port 1(vx1) entered blocking state [ 173.401504][ T2449] br1: port 1(vx1) entered disabled state [ 173.401741][ T2449] vx1: entered allmulticast mode [ 173.403634][ T2449] vx1: entered promiscuous mode [ 173.404469][ T2449] br1: port 1(vx1) entered blocking state [ 173.404675][ T2449] br1: port 1(vx1) entered forwarding state [ 204.625696][ T2820] veth3: entered promiscuous mode [ 235.235959][ T3309] veth3: left promiscuous mode [ 236.605864][ T3331] vx1: left allmulticast mode [ 236.606136][ T3331] vx1: left promiscuous mode [ 236.606913][ T3331] br1: port 1(vx1) entered disabled state [ 241.766163][ T3333] br1: port 1(vx1) entered blocking state [ 241.766607][ T3333] br1: port 1(vx1) entered disabled state [ 241.766897][ T3333] vx1: entered allmulticast mode [ 241.768896][ T3333] vx1: entered promiscuous mode [ 241.769729][ T3333] br1: port 1(vx1) entered blocking state [ 241.769968][ T3333] br1: port 1(vx1) entered forwarding state [ 370.224494][ T4243] vx1: left allmulticast mode [ 370.224801][ T4243] vx1: left promiscuous mode [ 370.225159][ T4243] br1: port 1(vx1) entered disabled state [ 375.429713][ T4245] br1: port 1(vx1) entered blocking state [ 375.430154][ T4245] br1: port 1(vx1) entered disabled state [ 375.430592][ T4245] vx1: entered allmulticast mode [ 375.434075][ T4245] vx1: entered promiscuous mode [ 375.436079][ T4245] br1: port 1(vx1) entered blocking state [ 375.436497][ T4245] br1: port 1(vx1) entered forwarding state [ 382.800525][ T12] vx2: left allmulticast mode [ 382.801796][ T12] vx2: left promiscuous mode [ 382.802655][ T12] br2: port 2(vx2) entered disabled state [ 382.810722][ T12] w1: left allmulticast mode [ 382.811430][ T12] w1: left promiscuous mode [ 382.812452][ T12] br2: port 1(w1) entered disabled state [ 383.457194][ T12] vx2: left allmulticast mode [ 383.457776][ T12] vx2: left promiscuous mode [ 383.458495][ T12] br2: port 2(vx2) entered disabled state [ 383.463147][ T12] w1: left allmulticast mode [ 383.463742][ T12] w1: left promiscuous mode [ 383.464418][ T12] br2: port 1(w1) entered disabled state [ 386.699748][ T4290] vx1: left allmulticast mode [ 386.700116][ T4290] vx1: left promiscuous mode [ 386.700626][ T4290] br1: port 1(vx1) entered disabled state [ 387.074259][ T4293] br1: port 3(veth2) entered disabled state [ 387.184869][ T4294] veth2: left allmulticast mode [ 387.185240][ T4294] veth2: left promiscuous mode [ 387.185718][ T4294] br1: port 3(veth2) entered disabled state [ 387.306810][ T4295] br1: port 2(veth1) entered disabled state [ 387.403400][ T4296] veth1: left allmulticast mode [ 387.403856][ T4296] veth1: left promiscuous mode [ 387.404432][ T4296] br1: port 2(veth1) entered disabled state