[ 16.925951][ T328] ip (328) used greatest stack depth: 23664 bytes left [ 17.108712][ T332] br1: port 1(vx1) entered blocking state [ 17.109092][ T332] br1: port 1(vx1) entered disabled state [ 17.109734][ T332] vx1: entered allmulticast mode [ 17.112550][ T332] vx1: entered promiscuous mode [ 17.114418][ T332] br1: port 1(vx1) entered blocking state [ 17.114821][ T332] br1: port 1(vx1) entered forwarding state [ 17.213086][ T333] br1: port 2(veth1) entered blocking state [ 17.213445][ T333] br1: port 2(veth1) entered disabled state [ 17.213743][ T333] veth1: entered allmulticast mode [ 17.215732][ T333] veth1: entered promiscuous mode [ 17.300618][ T40] br1: port 2(veth1) entered blocking state [ 17.301039][ T40] br1: port 2(veth1) entered forwarding state [ 17.494828][ T336] br1: port 3(veth2) entered blocking state [ 17.495170][ T336] br1: port 3(veth2) entered disabled state [ 17.495700][ T336] veth2: entered allmulticast mode [ 17.497635][ T336] veth2: entered promiscuous mode [ 17.593565][ T151] br1: port 3(veth2) entered blocking state [ 17.593869][ T151] br1: port 3(veth2) entered forwarding state [ 20.886210][ T381] br2: port 1(w1) entered blocking state [ 20.886453][ T381] br2: port 1(w1) entered disabled state [ 20.887013][ T381] w1: entered allmulticast mode [ 20.889562][ T381] w1: entered promiscuous mode [ 21.399709][ T387] br2: port 2(vx2) entered blocking state [ 21.399969][ T387] br2: port 2(vx2) entered disabled state [ 21.400227][ T387] vx2: entered allmulticast mode [ 21.402151][ T387] vx2: entered promiscuous mode [ 21.403395][ T387] br2: port 2(vx2) entered blocking state [ 21.403627][ T387] br2: port 2(vx2) entered forwarding state [ 22.094023][ T151] br2: port 1(w1) entered blocking state [ 22.094574][ T151] br2: port 1(w1) entered forwarding state [ 23.847240][ T419] br2: port 1(w1) entered blocking state [ 23.847551][ T419] br2: port 1(w1) entered disabled state [ 23.847779][ T419] w1: entered allmulticast mode [ 23.849674][ T419] w1: entered promiscuous mode [ 24.357654][ T425] br2: port 2(vx2) entered blocking state [ 24.357926][ T425] br2: port 2(vx2) entered disabled state [ 24.358177][ T425] vx2: entered allmulticast mode [ 24.360114][ T425] vx2: entered promiscuous mode [ 24.360926][ T425] br2: port 2(vx2) entered blocking state [ 24.361136][ T425] br2: port 2(vx2) entered forwarding state [ 25.079681][ T40] br2: port 1(w1) entered blocking state [ 25.080065][ T40] br2: port 1(w1) entered forwarding state [ 34.423371][ T498] GACT probability NOT on [ 86.683257][ T690] [ 86.683621][ T690] ============================= [ 86.683809][ T690] WARNING: suspicious RCU usage [ 86.683992][ T690] 6.14.0-rc6-virtme #1 Not tainted [ 86.684164][ T690] ----------------------------- [ 86.684363][ T690] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 86.684663][ T690] [ 86.684663][ T690] other info that might help us debug this: [ 86.684663][ T690] [ 86.685024][ T690] [ 86.685024][ T690] rcu_scheduler_active = 2, debug_locks = 1 [ 86.685302][ T690] 1 lock held by mausezahn/690: [ 86.685479][ T690] #0: ffffffffaa35b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 86.685804][ T690] [ 86.685804][ T690] stack backtrace: [ 86.686024][ T690] CPU: 0 UID: 0 PID: 690 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 86.686029][ T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.686032][ T690] Call Trace: [ 86.686034][ T690] [ 86.686037][ T690] dump_stack_lvl+0xb0/0xd0 [ 86.686046][ T690] lockdep_rcu_suspicious+0x1ea/0x280 [ 86.686058][ T690] dev_hard_start_xmit+0x2fc/0x3f0 [ 86.686069][ T690] __dev_queue_xmit+0xfaf/0x18d0 [ 86.686083][ T690] ? __pfx___dev_queue_xmit+0x10/0x10 [ 86.686088][ T690] ? packet_parse_headers+0x231/0x9c0 [ 86.686097][ T690] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 86.686104][ T690] ? __pfx_packet_parse_headers+0x10/0x10 [ 86.686109][ T690] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 86.686115][ T690] ? dev_get_by_index+0xb2/0x190 [ 86.686127][ T690] packet_snd+0xd0c/0x19d0 [ 86.686139][ T690] ? __lock_release+0x103/0x460 [ 86.686143][ T690] ? __might_fault+0x11b/0x170 [ 86.686151][ T690] ? __pfx_packet_snd+0x10/0x10 [ 86.686154][ T690] ? trace_lock_acquire+0x14c/0x1f0 [ 86.686156][ T690] ? __might_fault+0x11b/0x170 [ 86.686163][ T690] ? lock_acquire+0x32/0xc0 [ 86.686170][ T690] ? __might_fault+0x11b/0x170 [ 86.686181][ T690] __sys_sendto+0x3c3/0x450 [ 86.686191][ T690] ? __pfx___sys_sendto+0x10/0x10 [ 86.686206][ T690] ? sock_ioctl+0x3b6/0x590 [ 86.686211][ T690] ? __pfx___lock_release+0x10/0x10 [ 86.686219][ T690] ? __pfx___up_read+0x10/0x10 [ 86.686230][ T690] ? do_user_addr_fault+0x972/0xe30 [ 86.686240][ T690] ? do_user_addr_fault+0x97c/0xe30 [ 86.686247][ T690] __x64_sys_sendto+0xe0/0x1c0 [ 86.686251][ T690] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 86.686256][ T690] do_syscall_64+0xc1/0x1d0 [ 86.686265][ T690] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.686271][ T690] RIP: 0033:0x7f528fca3a4a [ 86.686276][ T690] 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 [ 86.686280][ T690] RSP: 002b:00007ffe69424908 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 86.686284][ T690] RAX: ffffffffffffffda RBX: 0000000031185de0 RCX: 00007f528fca3a4a [ 86.686286][ T690] RDX: 000000000000007e RSI: 00000000311860e2 RDI: 0000000000000005 [ 86.686288][ T690] RBP: 00000000311860e2 R08: 00007ffe69424910 R09: 0000000000000014 [ 86.686290][ T690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.686292][ T690] R13: 000000000000007e R14: 00007ffe69424910 R15: 0000000000000000 [ 86.686308][ T690] [ 92.133713][ T765] veth3: entered promiscuous mode [ 128.413651][ T1254] veth3: left promiscuous mode [ 153.262857][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 153.364533][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 153.465482][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 153.566525][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 153.667857][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 153.769123][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 153.870149][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 153.971254][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.072294][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.173497][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 158.433275][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 158.535013][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 158.636073][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 158.737154][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 158.838422][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 158.939458][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.040474][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.141489][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.242595][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 159.343835][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.389120][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.490671][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.592000][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.693312][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.794281][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.895174][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 222.996254][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 223.097256][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 223.198170][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 223.299109][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 225.038272][ T2223] vx1: left allmulticast mode [ 225.038556][ T2223] vx1: left promiscuous mode [ 225.038966][ T2223] br1: port 1(vx1) entered disabled state [ 230.484382][ T2228] br1: port 1(vx1) entered blocking state [ 230.484745][ T2228] br1: port 1(vx1) entered disabled state [ 230.485182][ T2228] vx1: entered allmulticast mode [ 230.489150][ T2228] vx1: entered promiscuous mode [ 230.490518][ T2228] br1: port 1(vx1) entered blocking state [ 230.490863][ T2228] br1: port 1(vx1) entered forwarding state [ 296.188066][ T2515] veth3: entered promiscuous mode [ 327.554846][ T3005] veth3: left promiscuous mode [ 328.462246][ T69] vx2: left allmulticast mode [ 328.462696][ T69] vx2: left promiscuous mode [ 328.463141][ T69] br2: port 2(vx2) entered disabled state [ 328.466783][ T69] w1: left allmulticast mode [ 328.467028][ T69] w1: left promiscuous mode [ 328.467380][ T69] br2: port 1(w1) entered disabled state [ 328.963949][ T69] vx2: left allmulticast mode [ 328.964224][ T69] vx2: left promiscuous mode [ 328.964600][ T69] br2: port 2(vx2) entered disabled state [ 328.966510][ T69] w1: left allmulticast mode [ 328.966721][ T69] w1: left promiscuous mode [ 328.967055][ T69] br2: port 1(w1) entered disabled state [ 331.310037][ T3044] br1: port 3(veth2) entered disabled state [ 331.387561][ T3045] veth2: left allmulticast mode [ 331.387824][ T3045] veth2: left promiscuous mode [ 331.388325][ T3045] br1: port 3(veth2) entered disabled state [ 331.657488][ T3047] br1: port 2(veth1) entered disabled state [ 331.751252][ T3048] veth1: left allmulticast mode [ 331.751675][ T3048] veth1: left promiscuous mode [ 331.752247][ T3048] br1: port 2(veth1) entered disabled state [ 331.876991][ T3049] vx1: left allmulticast mode [ 331.877394][ T3049] vx1: left promiscuous mode [ 331.877894][ T3049] br1: port 1(vx1) entered disabled state