[ 10.230208][ T250] ip (250) used greatest stack depth: 24496 bytes left [ 10.920753][ T273] ip (273) used greatest stack depth: 24384 bytes left [ 15.023264][ T332] br1: port 1(vx1) entered blocking state [ 15.023694][ T332] br1: port 1(vx1) entered disabled state [ 15.024644][ T332] vx1: entered allmulticast mode [ 15.026706][ T332] vx1: entered promiscuous mode [ 15.028214][ T332] br1: port 1(vx1) entered blocking state [ 15.028542][ T332] br1: port 1(vx1) entered forwarding state [ 15.037570][ T332] ip (332) used greatest stack depth: 24240 bytes left [ 15.127970][ T333] br1: port 2(veth1) entered blocking state [ 15.128339][ T333] br1: port 2(veth1) entered disabled state [ 15.128914][ T333] veth1: entered allmulticast mode [ 15.131023][ T333] veth1: entered promiscuous mode [ 15.209876][ T40] br1: port 2(veth1) entered blocking state [ 15.210292][ T40] br1: port 2(veth1) entered forwarding state [ 15.402710][ T336] br1: port 3(veth2) entered blocking state [ 15.403232][ T336] br1: port 3(veth2) entered disabled state [ 15.403689][ T336] veth2: entered allmulticast mode [ 15.408138][ T336] veth2: entered promiscuous mode [ 15.498083][ T152] br1: port 3(veth2) entered blocking state [ 15.498774][ T152] br1: port 3(veth2) entered forwarding state [ 18.730630][ T381] br2: port 1(w1) entered blocking state [ 18.730901][ T381] br2: port 1(w1) entered disabled state [ 18.732072][ T381] w1: entered allmulticast mode [ 18.734087][ T381] w1: entered promiscuous mode [ 19.246243][ T387] br2: port 2(vx2) entered blocking state [ 19.246625][ T387] br2: port 2(vx2) entered disabled state [ 19.247016][ T387] vx2: entered allmulticast mode [ 19.251194][ T387] vx2: entered promiscuous mode [ 19.252529][ T387] br2: port 2(vx2) entered blocking state [ 19.252889][ T387] br2: port 2(vx2) entered forwarding state [ 19.880918][ T40] br2: port 1(w1) entered blocking state [ 19.881293][ T40] br2: port 1(w1) entered forwarding state [ 21.468250][ T419] br2: port 1(w1) entered blocking state [ 21.468569][ T419] br2: port 1(w1) entered disabled state [ 21.468850][ T419] w1: entered allmulticast mode [ 21.470782][ T419] w1: entered promiscuous mode [ 21.950839][ T425] br2: port 2(vx2) entered blocking state [ 21.951096][ T425] br2: port 2(vx2) entered disabled state [ 21.951312][ T425] vx2: entered allmulticast mode [ 21.953160][ T425] vx2: entered promiscuous mode [ 21.953982][ T425] br2: port 2(vx2) entered blocking state [ 21.954207][ T425] br2: port 2(vx2) entered forwarding state [ 22.533419][ T138] br2: port 1(w1) entered blocking state [ 22.533698][ T138] br2: port 1(w1) entered forwarding state [ 31.556776][ T498] GACT probability NOT on [ 82.288822][ T690] [ 82.289111][ T690] ============================= [ 82.289348][ T690] WARNING: suspicious RCU usage [ 82.289560][ T690] 6.14.0-rc6-virtme #1 Not tainted [ 82.289770][ T690] ----------------------------- [ 82.289978][ T690] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 82.290351][ T690] [ 82.290351][ T690] other info that might help us debug this: [ 82.290351][ T690] [ 82.290736][ T690] [ 82.290736][ T690] rcu_scheduler_active = 2, debug_locks = 1 [ 82.291042][ T690] 1 lock held by mausezahn/690: [ 82.291444][ T690] #0: ffffffff94b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 82.291831][ T690] [ 82.291831][ T690] stack backtrace: [ 82.292100][ T690] CPU: 2 UID: 0 PID: 690 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 82.292105][ T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.292107][ T690] Call Trace: [ 82.292108][ T690] [ 82.292111][ T690] dump_stack_lvl+0xb0/0xd0 [ 82.292118][ T690] lockdep_rcu_suspicious+0x1ea/0x280 [ 82.292129][ T690] dev_hard_start_xmit+0x2fc/0x3f0 [ 82.292140][ T690] __dev_queue_xmit+0xfaf/0x18d0 [ 82.292154][ T690] ? __pfx___dev_queue_xmit+0x10/0x10 [ 82.292158][ T690] ? packet_parse_headers+0x231/0x9c0 [ 82.292167][ T690] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 82.292173][ T690] ? __pfx_packet_parse_headers+0x10/0x10 [ 82.292177][ T690] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 82.292183][ T690] ? dev_get_by_index+0xb2/0x190 [ 82.292194][ T690] packet_snd+0xd0c/0x19d0 [ 82.292205][ T690] ? __lock_release+0x103/0x460 [ 82.292209][ T690] ? __might_fault+0x11b/0x170 [ 82.292215][ T690] ? __pfx_packet_snd+0x10/0x10 [ 82.292217][ T690] ? trace_lock_acquire+0x14c/0x1f0 [ 82.292220][ T690] ? __might_fault+0x11b/0x170 [ 82.292226][ T690] ? lock_acquire+0x32/0xc0 [ 82.292233][ T690] ? __might_fault+0x11b/0x170 [ 82.292243][ T690] __sys_sendto+0x3c3/0x450 [ 82.292249][ T690] ? __pfx___sys_sendto+0x10/0x10 [ 82.292264][ T690] ? sock_ioctl+0x3b6/0x590 [ 82.292268][ T690] ? __pfx___lock_release+0x10/0x10 [ 82.292276][ T690] ? __pfx___up_read+0x10/0x10 [ 82.292285][ T690] ? do_user_addr_fault+0x972/0xe30 [ 82.292295][ T690] ? do_user_addr_fault+0x97c/0xe30 [ 82.292302][ T690] __x64_sys_sendto+0xe0/0x1c0 [ 82.292305][ T690] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 82.292310][ T690] do_syscall_64+0xc1/0x1d0 [ 82.292318][ T690] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.292322][ T690] RIP: 0033:0x7fbc9b068a4a [ 82.292327][ 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 [ 82.292329][ T690] RSP: 002b:00007ffe7048cff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 82.292333][ T690] RAX: ffffffffffffffda RBX: 000000002710bde0 RCX: 00007fbc9b068a4a [ 82.292335][ T690] RDX: 000000000000007e RSI: 000000002710c0e2 RDI: 0000000000000005 [ 82.292337][ T690] RBP: 000000002710c0e2 R08: 00007ffe7048d000 R09: 0000000000000014 [ 82.292338][ T690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 82.292340][ T690] R13: 000000000000007e R14: 00007ffe7048d000 R15: 0000000000000000 [ 82.292356][ T690] [ 87.300426][ T765] veth3: entered promiscuous mode [ 114.778864][ T1254] veth3: left promiscuous mode [ 138.229783][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 138.331207][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 138.432100][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 138.532925][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 138.633841][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 138.734671][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 138.835514][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 138.936659][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 139.037732][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 139.138607][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 143.231230][ C2] net_ratelimit: 3 callbacks suppressed [ 143.231238][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 143.332329][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 143.433212][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 143.534193][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 143.635097][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 143.735894][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 143.836734][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 202.687843][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 202.789195][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 202.890063][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 202.990828][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 203.091763][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 203.192627][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 203.293486][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 203.394450][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 203.495252][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 203.596100][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 205.206430][ T2223] vx1: left allmulticast mode [ 205.206690][ T2223] vx1: left promiscuous mode [ 205.208240][ T2223] br1: port 1(vx1) entered disabled state [ 210.608588][ T2228] br1: port 1(vx1) entered blocking state [ 210.608889][ T2228] br1: port 1(vx1) entered disabled state [ 210.610171][ T2228] vx1: entered allmulticast mode [ 210.612150][ T2228] vx1: entered promiscuous mode [ 210.612974][ T2228] br1: port 1(vx1) entered blocking state [ 210.613240][ T2228] br1: port 1(vx1) entered forwarding state [ 274.222457][ T2515] veth3: entered promiscuous mode [ 301.678788][ T3004] veth3: left promiscuous mode [ 302.373097][ T3016] ip (3016) used greatest stack depth: 24216 bytes left [ 302.440084][ T68] vx2: left allmulticast mode [ 302.440392][ T68] vx2: left promiscuous mode [ 302.440759][ T68] br2: port 2(vx2) entered disabled state [ 302.443143][ T68] w1: left allmulticast mode [ 302.443382][ T68] w1: left promiscuous mode [ 302.443691][ T68] br2: port 1(w1) entered disabled state [ 302.841298][ T3020] ip (3020) used greatest stack depth: 23952 bytes left [ 302.912551][ T68] vx2: left allmulticast mode [ 302.912759][ T68] vx2: left promiscuous mode [ 302.913080][ T68] br2: port 2(vx2) entered disabled state [ 302.917461][ T68] w1: left allmulticast mode [ 302.917651][ T68] w1: left promiscuous mode [ 302.917947][ T68] br2: port 1(w1) entered disabled state [ 304.926557][ T3043] br1: port 3(veth2) entered disabled state [ 305.017416][ T3044] veth2: left allmulticast mode [ 305.017681][ T3044] veth2: left promiscuous mode [ 305.018019][ T3044] br1: port 3(veth2) entered disabled state [ 305.214515][ T3046] br1: port 2(veth1) entered disabled state [ 305.284216][ T3047] veth1: left allmulticast mode [ 305.284576][ T3047] veth1: left promiscuous mode [ 305.285107][ T3047] br1: port 2(veth1) entered disabled state [ 305.367845][ T3048] vx1: left allmulticast mode [ 305.368163][ T3048] vx1: left promiscuous mode [ 305.368489][ T3048] br1: port 1(vx1) entered disabled state