[ 11.018642][ T251] ip (251) used greatest stack depth: 23464 bytes left [ 14.044987][ T302] 8021q: 802.1Q VLAN Support v1.8 [ 17.857259][ T347] br1: port 1(vx10) entered blocking state [ 17.857951][ T347] br1: port 1(vx10) entered disabled state [ 17.858445][ T347] vx10: entered allmulticast mode [ 17.861629][ T347] vx10: entered promiscuous mode [ 17.862812][ T347] br1: port 1(vx10) entered blocking state [ 17.863220][ T347] br1: port 1(vx10) entered forwarding state [ 18.267807][ T352] br1: port 2(vx20) entered blocking state [ 18.268266][ T352] br1: port 2(vx20) entered disabled state [ 18.268678][ T352] vx20: entered allmulticast mode [ 18.271920][ T352] vx20: entered promiscuous mode [ 18.273729][ T352] br1: port 2(vx20) entered blocking state [ 18.274112][ T352] br1: port 2(vx20) entered forwarding state [ 18.445261][ T354] br1: port 3(veth1) entered blocking state [ 18.445616][ T354] br1: port 3(veth1) entered disabled state [ 18.446041][ T354] veth1: entered allmulticast mode [ 18.449061][ T354] veth1: entered promiscuous mode [ 18.553724][ T150] br1: port 3(veth1) entered blocking state [ 18.554324][ T150] br1: port 3(veth1) entered forwarding state [ 18.795487][ T358] br1: port 4(veth2) entered blocking state [ 18.795802][ T358] br1: port 4(veth2) entered disabled state [ 18.796087][ T358] veth2: entered allmulticast mode [ 18.798013][ T358] veth2: entered promiscuous mode [ 18.883289][ T150] br1: port 4(veth2) entered blocking state [ 18.883710][ T150] br1: port 4(veth2) entered forwarding state [ 22.536441][ T408] br2: port 1(w1) entered blocking state [ 22.536733][ T408] br2: port 1(w1) entered disabled state [ 22.537049][ T408] w1: entered allmulticast mode [ 22.547516][ T408] w1: entered promiscuous mode [ 23.211873][ T416] br2: port 2(vx10) entered blocking state [ 23.212219][ T416] br2: port 2(vx10) entered disabled state [ 23.212510][ T416] vx10: entered allmulticast mode [ 23.215051][ T416] vx10: entered promiscuous mode [ 23.215779][ T416] br2: port 2(vx10) entered blocking state [ 23.216077][ T416] br2: port 2(vx10) entered forwarding state [ 23.882524][ T423] br2: port 3(vx20) entered blocking state [ 23.882894][ T423] br2: port 3(vx20) entered disabled state [ 23.883194][ T423] vx20: entered allmulticast mode [ 23.885227][ T423] vx20: entered promiscuous mode [ 23.885781][ T423] br2: port 3(vx20) entered blocking state [ 23.886026][ T423] br2: port 3(vx20) entered forwarding state [ 24.668222][ T41] br2: port 1(w1) entered blocking state [ 24.668869][ T41] br2: port 1(w1) entered forwarding state [ 27.161430][ T463] br2: port 1(w1) entered blocking state [ 27.161729][ T463] br2: port 1(w1) entered disabled state [ 27.162263][ T463] w1: entered allmulticast mode [ 27.164900][ T463] w1: entered promiscuous mode [ 27.867451][ T471] br2: port 2(vx10) entered blocking state [ 27.867751][ T471] br2: port 2(vx10) entered disabled state [ 27.868086][ T471] vx10: entered allmulticast mode [ 27.871329][ T471] vx10: entered promiscuous mode [ 27.872014][ T471] br2: port 2(vx10) entered blocking state [ 27.872573][ T471] br2: port 2(vx10) entered forwarding state [ 28.520400][ T478] br2: port 3(vx20) entered blocking state [ 28.520757][ T478] br2: port 3(vx20) entered disabled state [ 28.521124][ T478] vx20: entered allmulticast mode [ 28.523306][ T478] vx20: entered promiscuous mode [ 28.523976][ T478] br2: port 3(vx20) entered blocking state [ 28.524364][ T478] br2: port 3(vx20) entered forwarding state [ 29.201287][ T38] br2: port 1(w1) entered blocking state [ 29.201788][ T38] br2: port 1(w1) entered forwarding state [ 45.056044][ T593] GACT probability NOT on [ 53.265511][ T773] [ 53.265790][ T773] ============================= [ 53.265953][ T773] WARNING: suspicious RCU usage [ 53.266112][ T773] 6.14.0-rc6-virtme #1 Not tainted [ 53.266307][ T773] ----------------------------- [ 53.266458][ T773] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 53.266735][ T773] [ 53.266735][ T773] other info that might help us debug this: [ 53.266735][ T773] [ 53.267040][ T773] [ 53.267040][ T773] rcu_scheduler_active = 2, debug_locks = 1 [ 53.267276][ T773] 1 lock held by mausezahn/773: [ 53.267439][ T773] #0: ffffffff99b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 53.267761][ T773] [ 53.267761][ T773] stack backtrace: [ 53.267948][ T773] CPU: 0 UID: 0 PID: 773 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 53.267952][ T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.267955][ T773] Call Trace: [ 53.267957][ T773] [ 53.267960][ T773] dump_stack_lvl+0xb0/0xd0 [ 53.267968][ T773] lockdep_rcu_suspicious+0x1ea/0x280 [ 53.267981][ T773] dev_hard_start_xmit+0x2fc/0x3f0 [ 53.267991][ T773] __dev_queue_xmit+0xfaf/0x18d0 [ 53.268006][ T773] ? __pfx___dev_queue_xmit+0x10/0x10 [ 53.268010][ T773] ? packet_parse_headers+0x231/0x9c0 [ 53.268020][ T773] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 53.268026][ T773] ? __pfx_packet_parse_headers+0x10/0x10 [ 53.268031][ T773] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 53.268037][ T773] ? dev_get_by_index+0xb2/0x190 [ 53.268049][ T773] packet_snd+0xd0c/0x19d0 [ 53.268061][ T773] ? __lock_release+0x103/0x460 [ 53.268065][ T773] ? __might_fault+0x11b/0x170 [ 53.268073][ T773] ? __pfx_packet_snd+0x10/0x10 [ 53.268075][ T773] ? trace_lock_acquire+0x14c/0x1f0 [ 53.268078][ T773] ? __might_fault+0x11b/0x170 [ 53.268085][ T773] ? lock_acquire+0x32/0xc0 [ 53.268091][ T773] ? __might_fault+0x11b/0x170 [ 53.268102][ T773] __sys_sendto+0x3c3/0x450 [ 53.268108][ T773] ? __pfx___sys_sendto+0x10/0x10 [ 53.268123][ T773] ? sock_ioctl+0x3b6/0x590 [ 53.268143][ T773] ? __sys_setsockopt+0xec/0x160 [ 53.268153][ T773] __x64_sys_sendto+0xe0/0x1c0 [ 53.268157][ T773] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 53.268163][ T773] do_syscall_64+0xc1/0x1d0 [ 53.268171][ T773] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.268177][ T773] RIP: 0033:0x7fa8e3120a4a [ 53.268183][ T773] 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 [ 53.268186][ T773] RSP: 002b:00007fff6ce38258 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 53.268190][ T773] RAX: ffffffffffffffda RBX: 0000000006583c60 RCX: 00007fa8e3120a4a [ 53.268192][ T773] RDX: 000000000000006e RSI: 0000000006583ee2 RDI: 0000000000000006 [ 53.268194][ T773] RBP: 0000000006583ee2 R08: 00007fff6ce38260 R09: 0000000000000014 [ 53.268196][ T773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 53.268198][ T773] R13: 000000000000006e R14: 00007fff6ce38260 R15: 0000000000000001 [ 53.268214][ T773] [ 110.559584][ T1832] veth3: entered promiscuous mode [ 161.475980][ T2759] veth3: left promiscuous mode [ 161.943793][ T2765] veth3: entered promiscuous mode [ 211.940608][ T3692] veth3: left promiscuous mode [ 212.851987][ T3710] vx20: left allmulticast mode [ 212.852328][ T3710] vx20: left promiscuous mode [ 212.852669][ T3710] br1: port 2(vx20) entered disabled state [ 212.928060][ T3711] vx10: left allmulticast mode [ 212.928363][ T3711] vx10: left promiscuous mode [ 212.928706][ T3711] br1: port 1(vx10) entered disabled state [ 218.401797][ T3716] br1: port 1(vx10) entered blocking state [ 218.402363][ T3716] br1: port 1(vx10) entered disabled state [ 218.403071][ T3716] vx10: entered allmulticast mode [ 218.406317][ T3716] vx10: entered promiscuous mode [ 218.407202][ T3716] br1: port 1(vx10) entered blocking state [ 218.407700][ T3716] br1: port 1(vx10) entered forwarding state [ 218.731887][ T3718] br1: port 2(vx20) entered blocking state [ 218.732826][ T3718] br1: port 2(vx20) entered disabled state [ 218.733428][ T3718] vx20: entered allmulticast mode [ 218.737765][ T3718] vx20: entered promiscuous mode [ 218.738773][ T3718] br1: port 2(vx20) entered blocking state [ 218.739295][ T3718] br1: port 2(vx20) entered forwarding state [ 305.291184][ T5014] veth3: entered promiscuous mode [ 360.370433][ T5941] veth3: left promiscuous mode [ 360.992921][ T5947] veth3: entered promiscuous mode [ 416.981443][ T6874] veth3: left promiscuous mode [ 418.292169][ T6897] vx20: left allmulticast mode [ 418.292442][ T6897] vx20: left promiscuous mode [ 418.292776][ T6897] br1: port 2(vx20) entered disabled state [ 418.390984][ T6898] vx10: left allmulticast mode [ 418.391242][ T6898] vx10: left promiscuous mode [ 418.391554][ T6898] br1: port 1(vx10) entered disabled state [ 423.826949][ T6903] br1: port 1(vx10) entered blocking state [ 423.827338][ T6903] br1: port 1(vx10) entered disabled state [ 423.827629][ T6903] vx10: entered allmulticast mode [ 423.829830][ T6903] vx10: entered promiscuous mode [ 423.830382][ T6903] br1: port 1(vx10) entered blocking state [ 423.830647][ T6903] br1: port 1(vx10) entered forwarding state [ 423.989237][ T6905] br1: port 2(vx20) entered blocking state [ 423.989555][ T6905] br1: port 2(vx20) entered disabled state [ 423.989878][ T6905] vx20: entered allmulticast mode [ 423.992327][ T6905] vx20: entered promiscuous mode [ 423.992899][ T6905] br1: port 2(vx20) entered blocking state [ 423.993178][ T6905] br1: port 2(vx20) entered forwarding state [ 740.361015][T10180] vx20: left allmulticast mode [ 740.361294][T10180] vx20: left promiscuous mode [ 740.361621][T10180] br1: port 2(vx20) entered disabled state [ 740.451141][T10181] vx10: left allmulticast mode [ 740.451414][T10181] vx10: left promiscuous mode [ 740.451766][T10181] br1: port 1(vx10) entered disabled state [ 745.825660][T10186] br1: port 1(vx10) entered blocking state [ 745.825974][T10186] br1: port 1(vx10) entered disabled state [ 745.826271][T10186] vx10: entered allmulticast mode [ 745.828406][T10186] vx10: entered promiscuous mode [ 745.828916][T10186] br1: port 1(vx10) entered blocking state [ 745.829175][T10186] br1: port 1(vx10) entered forwarding state [ 745.974546][T10188] br1: port 2(vx20) entered blocking state [ 745.974847][T10188] br1: port 2(vx20) entered disabled state [ 745.975111][T10188] vx20: entered allmulticast mode [ 745.977079][T10188] vx20: entered promiscuous mode [ 745.978302][T10188] br1: port 2(vx20) entered blocking state [ 745.978552][T10188] br1: port 2(vx20) entered forwarding state [ 851.221243][ T12] vx20: left allmulticast mode [ 851.221547][ T12] vx20: left promiscuous mode [ 851.221906][ T12] br2: port 3(vx20) entered disabled state [ 851.226477][ T12] vx10: left allmulticast mode [ 851.226691][ T12] vx10: left promiscuous mode [ 851.227082][ T12] br2: port 2(vx10) entered disabled state [ 851.229871][ T12] w1: left allmulticast mode [ 851.230081][ T12] w1: left promiscuous mode [ 851.230442][ T12] br2: port 1(w1) entered disabled state [ 851.717922][ T12] vx20: left allmulticast mode [ 851.718140][ T12] vx20: left promiscuous mode [ 851.718451][ T12] br2: port 3(vx20) entered disabled state [ 851.720717][ T12] vx10: left allmulticast mode [ 851.720913][ T12] vx10: left promiscuous mode [ 851.721210][ T12] br2: port 2(vx10) entered disabled state [ 851.723080][ T12] w1: left allmulticast mode [ 851.723286][ T12] w1: left promiscuous mode [ 851.723582][ T12] br2: port 1(w1) entered disabled state [ 853.957885][T12092] br1: port 4(veth2) entered disabled state [ 854.035602][T12093] veth2: left allmulticast mode [ 854.035878][T12093] veth2: left promiscuous mode [ 854.037049][T12093] br1: port 4(veth2) entered disabled state [ 854.268806][T12096] br1: port 3(veth1) entered disabled state [ 854.347504][T12097] veth1: left allmulticast mode [ 854.347737][T12097] veth1: left promiscuous mode [ 854.348050][T12097] br1: port 3(veth1) entered disabled state [ 854.511741][T12099] vx20: left allmulticast mode [ 854.512178][T12099] vx20: left promiscuous mode [ 854.512727][T12099] br1: port 2(vx20) entered disabled state [ 854.923698][T12103] vx10: left allmulticast mode [ 854.923955][T12103] vx10: left promiscuous mode [ 854.924292][T12103] br1: port 1(vx10) entered disabled state