[ 10.610231][ T250] ip (250) used greatest stack depth: 24056 bytes left [ 10.960521][ T260] ip (260) used greatest stack depth: 23760 bytes left [ 15.574889][ T330] br1: port 1(vx1) entered blocking state [ 15.575702][ T330] br1: port 1(vx1) entered disabled state [ 15.576255][ T330] vx1: entered allmulticast mode [ 15.578464][ T330] vx1: entered promiscuous mode [ 15.579952][ T330] br1: port 1(vx1) entered blocking state [ 15.580292][ T330] br1: port 1(vx1) entered forwarding state [ 15.659664][ T331] br1: port 2(veth1) entered blocking state [ 15.660018][ T331] br1: port 2(veth1) entered disabled state [ 15.660298][ T331] veth1: entered allmulticast mode [ 15.662365][ T331] veth1: entered promiscuous mode [ 15.767261][ T40] br1: port 2(veth1) entered blocking state [ 15.767643][ T40] br1: port 2(veth1) entered forwarding state [ 15.960386][ T334] br1: port 3(veth2) entered blocking state [ 15.960670][ T334] br1: port 3(veth2) entered disabled state [ 15.960932][ T334] veth2: entered allmulticast mode [ 15.962797][ T334] veth2: entered promiscuous mode [ 16.037299][ T40] br1: port 3(veth2) entered blocking state [ 16.037589][ T40] br1: port 3(veth2) entered forwarding state [ 19.277779][ T380] br2: port 1(w1) entered blocking state [ 19.278055][ T380] br2: port 1(w1) entered disabled state [ 19.278719][ T380] w1: entered allmulticast mode [ 19.281668][ T380] w1: entered promiscuous mode [ 19.869864][ T386] br2: port 2(vx2) entered blocking state [ 19.870161][ T386] br2: port 2(vx2) entered disabled state [ 19.870438][ T386] vx2: entered allmulticast mode [ 19.872817][ T386] vx2: entered promiscuous mode [ 19.873828][ T386] br2: port 2(vx2) entered blocking state [ 19.874077][ T386] br2: port 2(vx2) entered forwarding state [ 20.496724][ T40] br2: port 1(w1) entered blocking state [ 20.497303][ T40] br2: port 1(w1) entered forwarding state [ 22.351847][ T419] br2: port 1(w1) entered blocking state [ 22.352567][ T419] br2: port 1(w1) entered disabled state [ 22.352881][ T419] w1: entered allmulticast mode [ 22.354940][ T419] w1: entered promiscuous mode [ 22.844469][ T425] br2: port 2(vx2) entered blocking state [ 22.844750][ T425] br2: port 2(vx2) entered disabled state [ 22.844991][ T425] vx2: entered allmulticast mode [ 22.846887][ T425] vx2: entered promiscuous mode [ 22.848887][ T425] br2: port 2(vx2) entered blocking state [ 22.849476][ T425] br2: port 2(vx2) entered forwarding state [ 23.530503][ T41] br2: port 1(w1) entered blocking state [ 23.531199][ T41] br2: port 1(w1) entered forwarding state [ 32.824488][ T498] GACT probability NOT on [ 84.138038][ T690] [ 84.138365][ T690] ============================= [ 84.138531][ T690] WARNING: suspicious RCU usage [ 84.138697][ T690] 6.14.0-rc6-virtme #1 Not tainted [ 84.138851][ T690] ----------------------------- [ 84.139002][ T690] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 84.139273][ T690] [ 84.139273][ T690] other info that might help us debug this: [ 84.139273][ T690] [ 84.139570][ T690] [ 84.139570][ T690] rcu_scheduler_active = 2, debug_locks = 1 [ 84.139798][ T690] 1 lock held by mausezahn/690: [ 84.139961][ T690] #0: ffffffff9c35b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 84.140252][ T690] [ 84.140252][ T690] stack backtrace: [ 84.140440][ T690] CPU: 0 UID: 0 PID: 690 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 84.140444][ T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.140446][ T690] Call Trace: [ 84.140448][ T690] [ 84.140450][ T690] dump_stack_lvl+0xb0/0xd0 [ 84.140457][ T690] lockdep_rcu_suspicious+0x1ea/0x280 [ 84.140468][ T690] dev_hard_start_xmit+0x2fc/0x3f0 [ 84.140478][ T690] __dev_queue_xmit+0xfaf/0x18d0 [ 84.140492][ T690] ? __pfx___dev_queue_xmit+0x10/0x10 [ 84.140497][ T690] ? packet_parse_headers+0x231/0x9c0 [ 84.140505][ T690] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 84.140511][ T690] ? __pfx_packet_parse_headers+0x10/0x10 [ 84.140515][ T690] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 84.140521][ T690] ? dev_get_by_index+0xb2/0x190 [ 84.140532][ T690] packet_snd+0xd0c/0x19d0 [ 84.140544][ T690] ? __lock_release+0x103/0x460 [ 84.140547][ T690] ? __might_fault+0x11b/0x170 [ 84.140554][ T690] ? __pfx_packet_snd+0x10/0x10 [ 84.140557][ T690] ? trace_lock_acquire+0x14c/0x1f0 [ 84.140559][ T690] ? __might_fault+0x11b/0x170 [ 84.140566][ T690] ? lock_acquire+0x32/0xc0 [ 84.140572][ T690] ? __might_fault+0x11b/0x170 [ 84.140583][ T690] __sys_sendto+0x3c3/0x450 [ 84.140589][ T690] ? __pfx___sys_sendto+0x10/0x10 [ 84.140603][ T690] ? sock_ioctl+0x3b6/0x590 [ 84.140607][ T690] ? __pfx___lock_release+0x10/0x10 [ 84.140615][ T690] ? __pfx___up_read+0x10/0x10 [ 84.140624][ T690] ? do_user_addr_fault+0x972/0xe30 [ 84.140633][ T690] ? do_user_addr_fault+0x97c/0xe30 [ 84.140640][ T690] __x64_sys_sendto+0xe0/0x1c0 [ 84.140643][ T690] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 84.140649][ T690] do_syscall_64+0xc1/0x1d0 [ 84.140656][ T690] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.140661][ T690] RIP: 0033:0x7fb9c2fe0a4a [ 84.140666][ 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 [ 84.140669][ T690] RSP: 002b:00007fffd24806c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 84.140673][ T690] RAX: ffffffffffffffda RBX: 0000000027622de0 RCX: 00007fb9c2fe0a4a [ 84.140675][ T690] RDX: 000000000000007e RSI: 00000000276230e2 RDI: 0000000000000005 [ 84.140677][ T690] RBP: 00000000276230e2 R08: 00007fffd24806d0 R09: 0000000000000014 [ 84.140679][ T690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 84.140680][ T690] R13: 000000000000007e R14: 00007fffd24806d0 R15: 0000000000000000 [ 84.140696][ T690] [ 89.179914][ T765] veth3: entered promiscuous mode [ 117.258878][ T1254] veth3: left promiscuous mode [ 141.118118][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.219544][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.320391][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.421303][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.522116][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.629926][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.730705][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.831596][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.932450][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 142.033296][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.174958][ C0] net_ratelimit: 4 callbacks suppressed [ 146.174971][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.276264][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.377274][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.478230][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.579346][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.680580][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.148149][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.249723][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.350709][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.451686][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.552737][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.653770][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.754753][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.855735][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.956744][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 207.057801][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 208.682988][ T2223] vx1: left allmulticast mode [ 208.683433][ T2223] vx1: left promiscuous mode [ 208.683967][ T2223] br1: port 1(vx1) entered disabled state [ 214.078080][ T2228] br1: port 1(vx1) entered blocking state [ 214.078658][ T2228] br1: port 1(vx1) entered disabled state [ 214.078925][ T2228] vx1: entered allmulticast mode [ 214.081160][ T2228] vx1: entered promiscuous mode [ 214.081979][ T2228] br1: port 1(vx1) entered blocking state [ 214.082221][ T2228] br1: port 1(vx1) entered forwarding state [ 278.863928][ T2515] veth3: entered promiscuous mode [ 308.358680][ T3004] veth3: left promiscuous mode [ 309.207406][ T65] vx2: left allmulticast mode [ 309.207906][ T65] vx2: left promiscuous mode [ 309.208495][ T65] br2: port 2(vx2) entered disabled state [ 309.212607][ T65] w1: left allmulticast mode [ 309.213028][ T65] w1: left promiscuous mode [ 309.214504][ T65] br2: port 1(w1) entered disabled state [ 309.638320][ T65] vx2: left allmulticast mode [ 309.638589][ T65] vx2: left promiscuous mode [ 309.639008][ T65] br2: port 2(vx2) entered disabled state [ 309.644460][ T65] w1: left allmulticast mode [ 309.644752][ T65] w1: left promiscuous mode [ 309.645139][ T65] br2: port 1(w1) entered disabled state [ 311.682492][ T3043] br1: port 3(veth2) entered disabled state [ 311.767045][ T3044] veth2: left allmulticast mode [ 311.767399][ T3044] veth2: left promiscuous mode [ 311.767751][ T3044] br1: port 3(veth2) entered disabled state [ 311.981256][ T3046] br1: port 2(veth1) entered disabled state [ 312.065054][ T3047] veth1: left allmulticast mode [ 312.065346][ T3047] veth1: left promiscuous mode [ 312.065692][ T3047] br1: port 2(veth1) entered disabled state [ 312.147278][ T3048] vx1: left allmulticast mode [ 312.147529][ T3048] vx1: left promiscuous mode [ 312.147846][ T3048] br1: port 1(vx1) entered disabled state