[ 12.651134][ T295] ip (295) used greatest stack depth: 23512 bytes left [ 14.670008][ T321] br0: port 1(swp1) entered blocking state [ 14.670433][ T321] br0: port 1(swp1) entered disabled state [ 14.670903][ T321] swp1: entered allmulticast mode [ 14.672133][ T321] swp1: entered promiscuous mode [ 15.015821][ T324] br0: port 2(vx0) entered blocking state [ 15.016188][ T324] br0: port 2(vx0) entered disabled state [ 15.016452][ T324] vx0: entered allmulticast mode [ 15.018124][ T324] vx0: entered promiscuous mode [ 15.018837][ T324] br0: port 2(vx0) entered blocking state [ 15.019149][ T324] br0: port 2(vx0) entered forwarding state [ 15.696484][ T40] br0: port 1(swp1) entered blocking state [ 15.696813][ T40] br0: port 1(swp1) entered forwarding state [ 16.783354][ T343] br0: port 1(swp1) entered blocking state [ 16.784079][ T343] br0: port 1(swp1) entered disabled state [ 16.784596][ T343] swp1: entered allmulticast mode [ 16.788577][ T343] swp1: entered promiscuous mode [ 16.799478][ T39] br0: port 1(swp1) entered blocking state [ 16.800098][ T39] br0: port 1(swp1) entered forwarding state [ 17.101657][ T346] br0: port 2(vx0) entered blocking state [ 17.101964][ T346] br0: port 2(vx0) entered disabled state [ 17.102167][ T346] vx0: entered allmulticast mode [ 17.103414][ T346] vx0: entered promiscuous mode [ 17.104042][ T346] br0: port 2(vx0) entered blocking state [ 17.104234][ T346] br0: port 2(vx0) entered forwarding state [ 23.119637][ T362] GACT probability NOT on [ 23.139385][ T359] tc (359) used greatest stack depth: 23432 bytes left [ 23.265464][ T364] [ 23.265743][ T364] ============================= [ 23.265909][ T364] WARNING: suspicious RCU usage [ 23.266168][ T364] 6.14.0-rc6-virtme #1 Not tainted [ 23.266333][ T364] ----------------------------- [ 23.266490][ T364] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 23.266754][ T364] [ 23.266754][ T364] other info that might help us debug this: [ 23.266754][ T364] [ 23.267061][ T364] [ 23.267061][ T364] rcu_scheduler_active = 2, debug_locks = 1 [ 23.267291][ T364] 1 lock held by arping/364: [ 23.267445][ T364] #0: ffffffff8896f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0 [ 23.267763][ T364] [ 23.267763][ T364] stack backtrace: [ 23.267964][ T364] CPU: 0 UID: 0 PID: 364 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 23.267970][ T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.267972][ T364] Call Trace: [ 23.267978][ T364] [ 23.267980][ T364] dump_stack_lvl+0xb0/0xd0 [ 23.267997][ T364] lockdep_rcu_suspicious+0x1ea/0x280 [ 23.268024][ T364] dev_hard_start_xmit+0x2fc/0x3f0 [ 23.268035][ T364] __dev_queue_xmit+0xfaa/0x18d0 [ 23.268039][ T364] ? _copy_from_iter+0x1d2/0x12e0 [ 23.268072][ T364] ? __pfx___dev_queue_xmit+0x10/0x10 [ 23.268077][ T364] ? packet_parse_headers+0x243/0x9d0 [ 23.268094][ T364] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 23.268105][ T364] ? __pfx_packet_parse_headers+0x10/0x10 [ 23.268110][ T364] ? skb_copy_datagram_from_iter+0xe6/0x6e0 [ 23.268119][ T364] ? dev_get_by_index+0xb2/0x190 [ 23.268129][ T364] packet_snd+0xd0d/0x19c0 [ 23.268141][ T364] ? __lock_release+0x103/0x460 [ 23.268145][ T364] ? __might_fault+0x11b/0x170 [ 23.268161][ T364] ? __pfx_packet_snd+0x10/0x10 [ 23.268163][ T364] ? trace_lock_acquire+0x14c/0x1f0 [ 23.268167][ T364] ? __pfx___lock_release+0x10/0x10 [ 23.268173][ T364] ? lock_acquire+0x32/0xc0 [ 23.268179][ T364] ? __might_fault+0x11b/0x170 [ 23.268190][ T364] __sys_sendto+0x3c3/0x450 [ 23.268198][ T364] ? __pfx___sys_sendto+0x10/0x10 [ 23.268211][ T364] ? __lock_release+0x103/0x460 [ 23.268215][ T364] ? __pfx___lock_release+0x10/0x10 [ 23.268223][ T364] ? __pfx___up_read+0x10/0x10 [ 23.268229][ T364] ? do_user_addr_fault+0x374/0xe30 [ 23.268249][ T364] ? do_user_addr_fault+0x374/0xe30 [ 23.268257][ T364] __x64_sys_sendto+0xe0/0x1c0 [ 23.268261][ T364] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 23.268266][ T364] do_syscall_64+0xc1/0x1d0 [ 23.268278][ T364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 23.268290][ T364] RIP: 0033:0x7f6241595a4a [ 23.268294][ T364] 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 [ 23.268298][ T364] RSP: 002b:00007ffdd14b1948 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 23.268307][ T364] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f6241595a4a [ 23.268309][ T364] RDX: 000000000000001c RSI: 00007ffdd14b1960 RDI: 0000000000000005 [ 23.268311][ T364] RBP: 00007ffdd14b1ab0 R08: 00007ffdd14b2f10 R09: 0000000000000014 [ 23.268312][ T364] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd14b31e8 [ 23.268314][ T364] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f624169b000 [ 23.268331][ T364] [ 32.968085][ T68] br0: port 1(swp1) entered disabled state [ 33.077743][ T68] swp1 (unregistering): left allmulticast mode [ 33.078078][ T68] swp1 (unregistering): left promiscuous mode [ 33.078281][ T68] br0: port 1(swp1) entered disabled state [ 33.248184][ T68] br0: port 1(swp1) entered disabled state [ 33.408763][ T68] swp1 (unregistering): left allmulticast mode [ 33.409045][ T68] swp1 (unregistering): left promiscuous mode [ 33.409238][ T68] br0: port 1(swp1) entered disabled state [ 33.525531][ T68] vx0: left allmulticast mode [ 33.525737][ T68] vx0: left promiscuous mode [ 33.526069][ T68] br0: port 2(vx0) entered disabled state [ 33.835349][ T68] vx0: left allmulticast mode [ 33.835553][ T68] vx0: left promiscuous mode [ 33.835845][ T68] br0: port 2(vx0) entered disabled state [ 39.638501][ T588] br0: port 1(swp1) entered blocking state [ 39.638855][ T588] br0: port 1(swp1) entered disabled state [ 39.639565][ T588] swp1: entered allmulticast mode [ 39.640785][ T588] swp1: entered promiscuous mode [ 39.874457][ T591] br0: port 2(vx0) entered blocking state [ 39.874778][ T591] br0: port 2(vx0) entered disabled state [ 39.875902][ T591] vx0: entered allmulticast mode [ 39.877156][ T591] vx0: entered promiscuous mode [ 39.877694][ T591] br0: port 2(vx0) entered blocking state [ 39.877894][ T591] br0: port 2(vx0) entered forwarding state [ 40.625433][ T59] br0: port 1(swp1) entered blocking state [ 40.625788][ T59] br0: port 1(swp1) entered forwarding state [ 41.172254][ T609] br0: port 1(swp1) entered blocking state [ 41.172565][ T609] br0: port 1(swp1) entered disabled state [ 41.172794][ T609] swp1: entered allmulticast mode [ 41.173971][ T609] swp1: entered promiscuous mode [ 41.177418][ T46] br0: port 1(swp1) entered blocking state [ 41.177670][ T46] br0: port 1(swp1) entered forwarding state [ 41.391724][ T612] br0: port 2(vx0) entered blocking state [ 41.392058][ T612] br0: port 2(vx0) entered disabled state [ 41.392272][ T612] vx0: entered allmulticast mode [ 41.393478][ T612] vx0: entered promiscuous mode [ 41.393969][ T612] br0: port 2(vx0) entered blocking state [ 41.394165][ T612] br0: port 2(vx0) entered forwarding state [ 64.831626][ T68] br0: port 1(swp1) entered disabled state [ 64.979603][ T68] swp1 (unregistering): left allmulticast mode [ 64.979899][ T68] swp1 (unregistering): left promiscuous mode [ 64.980103][ T68] br0: port 1(swp1) entered disabled state [ 65.126634][ T68] br0: port 1(swp1) entered disabled state [ 65.265142][ T68] swp1 (unregistering): left allmulticast mode [ 65.265441][ T68] swp1 (unregistering): left promiscuous mode [ 65.265650][ T68] br0: port 1(swp1) entered disabled state [ 65.410505][ T68] vx0: left allmulticast mode [ 65.410698][ T68] vx0: left promiscuous mode [ 65.410986][ T68] br0: port 2(vx0) entered disabled state [ 65.705239][ T68] vx0: left allmulticast mode [ 65.705504][ T68] vx0: left promiscuous mode [ 65.705782][ T68] br0: port 2(vx0) entered disabled state [ 71.399469][ T850] br0: port 1(swp1) entered blocking state [ 71.399782][ T850] br0: port 1(swp1) entered disabled state [ 71.400419][ T850] swp1: entered allmulticast mode [ 71.401603][ T850] swp1: entered promiscuous mode [ 71.420378][ T40] br0: port 1(swp1) entered blocking state [ 71.420623][ T40] br0: port 1(swp1) entered forwarding state [ 71.633364][ T853] br0: port 2(vx0) entered blocking state [ 71.633630][ T853] br0: port 2(vx0) entered disabled state [ 71.633822][ T853] vx0: entered allmulticast mode [ 71.635039][ T853] vx0: entered promiscuous mode [ 71.636026][ T853] br0: port 2(vx0) entered blocking state [ 71.636210][ T853] br0: port 2(vx0) entered forwarding state [ 72.899583][ T870] br0: port 1(swp1) entered blocking state [ 72.899840][ T870] br0: port 1(swp1) entered disabled state [ 72.900080][ T870] swp1: entered allmulticast mode [ 72.901246][ T870] swp1: entered promiscuous mode [ 72.904438][ T41] br0: port 1(swp1) entered blocking state [ 72.904653][ T41] br0: port 1(swp1) entered forwarding state [ 73.136556][ T873] br0: port 2(vx0) entered blocking state [ 73.136780][ T873] br0: port 2(vx0) entered disabled state [ 73.136989][ T873] vx0: entered allmulticast mode [ 73.138209][ T873] vx0: entered promiscuous mode [ 73.138878][ T873] br0: port 2(vx0) entered blocking state [ 73.139068][ T873] br0: port 2(vx0) entered forwarding state [ 86.007624][ T68] br0: port 1(swp1) entered disabled state [ 86.105586][ T68] swp1 (unregistering): left allmulticast mode [ 86.105816][ T68] swp1 (unregistering): left promiscuous mode [ 86.106124][ T68] br0: port 1(swp1) entered disabled state [ 86.310417][ T68] br0: port 1(swp1) entered disabled state [ 86.411518][ T68] swp1 (unregistering): left allmulticast mode [ 86.411779][ T68] swp1 (unregistering): left promiscuous mode [ 86.411998][ T68] br0: port 1(swp1) entered disabled state [ 86.596669][ T68] vx0: left allmulticast mode [ 86.596905][ T68] vx0: left promiscuous mode [ 86.597217][ T68] br0: port 2(vx0) entered disabled state [ 86.934602][ T68] vx0: left allmulticast mode [ 86.934799][ T68] vx0: left promiscuous mode [ 86.935096][ T68] br0: port 2(vx0) entered disabled state [ 90.798531][ T1077] ip (1077) used greatest stack depth: 23320 bytes left [ 92.718900][ T1102] br0: port 1(swp1) entered blocking state [ 92.719415][ T1102] br0: port 1(swp1) entered disabled state [ 92.719642][ T1102] swp1: entered allmulticast mode [ 92.720969][ T1102] swp1: entered promiscuous mode [ 92.732400][ T40] br0: port 1(swp1) entered blocking state [ 92.732692][ T40] br0: port 1(swp1) entered forwarding state [ 92.954381][ T1105] br0: port 2(vx0) entered blocking state [ 92.954666][ T1105] br0: port 2(vx0) entered disabled state [ 92.954859][ T1105] vx0: entered allmulticast mode [ 92.956080][ T1105] vx0: entered promiscuous mode [ 92.956745][ T1105] br0: port 2(vx0) entered blocking state [ 92.957186][ T1105] br0: port 2(vx0) entered forwarding state [ 94.210867][ T1122] br0: port 1(swp1) entered blocking state [ 94.211119][ T1122] br0: port 1(swp1) entered disabled state [ 94.211407][ T1122] swp1: entered allmulticast mode [ 94.212588][ T1122] swp1: entered promiscuous mode [ 94.215743][ T46] br0: port 1(swp1) entered blocking state [ 94.215970][ T46] br0: port 1(swp1) entered forwarding state [ 94.455989][ T1125] br0: port 2(vx0) entered blocking state [ 94.456204][ T1125] br0: port 2(vx0) entered disabled state [ 94.456396][ T1125] vx0: entered allmulticast mode [ 94.457612][ T1125] vx0: entered promiscuous mode [ 94.458082][ T1125] br0: port 2(vx0) entered blocking state [ 94.458269][ T1125] br0: port 2(vx0) entered forwarding state [ 106.990853][ T68] br0: port 1(swp1) entered disabled state [ 107.137020][ T68] swp1 (unregistering): left allmulticast mode [ 107.137289][ T68] swp1 (unregistering): left promiscuous mode [ 107.137501][ T68] br0: port 1(swp1) entered disabled state [ 107.289395][ T68] br0: port 1(swp1) entered disabled state [ 107.402414][ T68] swp1 (unregistering): left allmulticast mode [ 107.402697][ T68] swp1 (unregistering): left promiscuous mode [ 107.402903][ T68] br0: port 1(swp1) entered disabled state [ 107.538381][ T68] vx0: left allmulticast mode [ 107.538625][ T68] vx0: left promiscuous mode [ 107.538943][ T68] br0: port 2(vx0) entered disabled state [ 107.892008][ T68] vx0: left allmulticast mode [ 107.892230][ T68] vx0: left promiscuous mode [ 107.892518][ T68] br0: port 2(vx0) entered disabled state