[ 11.662175][ T250] ip (250) used greatest stack depth: 24352 bytes left [ 12.452703][ T273] ip (273) used greatest stack depth: 23888 bytes left [ 16.665952][ T329] br1: port 1(vx1) entered blocking state [ 16.666544][ T329] br1: port 1(vx1) entered disabled state [ 16.666864][ T329] vx1: entered allmulticast mode [ 16.678827][ T329] vx1: entered promiscuous mode [ 16.682324][ T329] br1: port 1(vx1) entered blocking state [ 16.682650][ T329] br1: port 1(vx1) entered forwarding state [ 16.765663][ T330] br1: port 2(veth1) entered blocking state [ 16.766022][ T330] br1: port 2(veth1) entered disabled state [ 16.766340][ T330] veth1: entered allmulticast mode [ 16.768249][ T330] veth1: entered promiscuous mode [ 16.852988][ T41] br1: port 2(veth1) entered blocking state [ 16.853411][ T41] br1: port 2(veth1) entered forwarding state [ 16.937517][ T332] br1: port 3(veth2) entered blocking state [ 16.937853][ T332] br1: port 3(veth2) entered disabled state [ 16.938150][ T332] veth2: entered allmulticast mode [ 16.940162][ T332] veth2: entered promiscuous mode [ 17.028745][ T41] br1: port 3(veth2) entered blocking state [ 17.029184][ T41] br1: port 3(veth2) entered forwarding state [ 20.169724][ T378] br2: port 1(w1) entered blocking state [ 20.169963][ T378] br2: port 1(w1) entered disabled state [ 20.170205][ T378] w1: entered allmulticast mode [ 20.173091][ T378] w1: entered promiscuous mode [ 20.694136][ T384] br2: port 2(vx2) entered blocking state [ 20.695249][ T384] br2: port 2(vx2) entered disabled state [ 20.695533][ T384] vx2: entered allmulticast mode [ 20.697646][ T384] vx2: entered promiscuous mode [ 20.699332][ T384] br2: port 2(vx2) entered blocking state [ 20.699570][ T384] br2: port 2(vx2) entered forwarding state [ 21.369505][ T40] br2: port 1(w1) entered blocking state [ 21.369922][ T40] br2: port 1(w1) entered forwarding state [ 23.079972][ T415] br2: port 1(w1) entered blocking state [ 23.080347][ T415] br2: port 1(w1) entered disabled state [ 23.080706][ T415] w1: entered allmulticast mode [ 23.092155][ T415] w1: entered promiscuous mode [ 23.636930][ T421] br2: port 2(vx2) entered blocking state [ 23.637165][ T421] br2: port 2(vx2) entered disabled state [ 23.637411][ T421] vx2: entered allmulticast mode [ 23.639363][ T421] vx2: entered promiscuous mode [ 23.640155][ T421] br2: port 2(vx2) entered blocking state [ 23.640389][ T421] br2: port 2(vx2) entered forwarding state [ 24.243307][ T41] br2: port 1(w1) entered blocking state [ 24.243616][ T41] br2: port 1(w1) entered forwarding state [ 35.782767][ T512] GACT probability NOT on [ 40.370009][ T607] [ 40.370417][ T607] ============================= [ 40.370620][ T607] WARNING: suspicious RCU usage [ 40.370821][ T607] 6.14.0-rc6-virtme #1 Not tainted [ 40.371017][ T607] ----------------------------- [ 40.371621][ T607] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 40.371926][ T607] [ 40.371926][ T607] other info that might help us debug this: [ 40.371926][ T607] [ 40.372280][ T607] [ 40.372280][ T607] rcu_scheduler_active = 2, debug_locks = 1 [ 40.372539][ T607] 1 lock held by mausezahn/607: [ 40.372726][ T607] #0: ffffffff90d5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 40.373062][ T607] [ 40.373062][ T607] stack backtrace: [ 40.373313][ T607] CPU: 2 UID: 0 PID: 607 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 40.373318][ T607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.373321][ T607] Call Trace: [ 40.373324][ T607] [ 40.373326][ T607] dump_stack_lvl+0xb0/0xd0 [ 40.373335][ T607] lockdep_rcu_suspicious+0x1ea/0x280 [ 40.373347][ T607] dev_hard_start_xmit+0x2fc/0x3f0 [ 40.373358][ T607] __dev_queue_xmit+0xfaf/0x18d0 [ 40.373372][ T607] ? __pfx___dev_queue_xmit+0x10/0x10 [ 40.373376][ T607] ? packet_parse_headers+0x231/0x9c0 [ 40.373385][ T607] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 40.373392][ T607] ? __pfx_packet_parse_headers+0x10/0x10 [ 40.373396][ T607] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 40.373403][ T607] ? dev_get_by_index+0xb2/0x190 [ 40.373415][ T607] packet_snd+0xd0c/0x19d0 [ 40.373427][ T607] ? __lock_release+0x103/0x460 [ 40.373431][ T607] ? __might_fault+0x11b/0x170 [ 40.373439][ T607] ? __pfx_packet_snd+0x10/0x10 [ 40.373441][ T607] ? trace_lock_acquire+0x14c/0x1f0 [ 40.373444][ T607] ? __might_fault+0x11b/0x170 [ 40.373451][ T607] ? lock_acquire+0x32/0xc0 [ 40.373457][ T607] ? __might_fault+0x11b/0x170 [ 40.373468][ T607] __sys_sendto+0x3c3/0x450 [ 40.373475][ T607] ? __pfx___sys_sendto+0x10/0x10 [ 40.373489][ T607] ? sock_ioctl+0x3b6/0x590 [ 40.373500][ T607] ? __pfx___up_read+0x10/0x10 [ 40.373509][ T607] ? do_user_addr_fault+0x374/0xe30 [ 40.373520][ T607] ? do_user_addr_fault+0x374/0xe30 [ 40.373527][ T607] __x64_sys_sendto+0xe0/0x1c0 [ 40.373531][ T607] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 40.373536][ T607] do_syscall_64+0xc1/0x1d0 [ 40.373547][ T607] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 40.373552][ T607] RIP: 0033:0x7f39c50c4a4a [ 40.373558][ T607] 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 [ 40.373561][ T607] RSP: 002b:00007ffdc6fbd618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 40.373565][ T607] RAX: ffffffffffffffda RBX: 00000000244c39d0 RCX: 00007f39c50c4a4a [ 40.373567][ T607] RDX: 000000000000006a RSI: 00000000244c3cc2 RDI: 0000000000000005 [ 40.373569][ T607] RBP: 00000000244c3cc2 R08: 00007ffdc6fbd620 R09: 0000000000000014 [ 40.373571][ T607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.373573][ T607] R13: 000000000000006a R14: 00007ffdc6fbd620 R15: 0000000000000000 [ 40.373589][ T607] [ 56.102192][ T845] veth3: entered promiscuous mode [ 86.940842][ T1334] veth3: left promiscuous mode [ 113.477018][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 113.579062][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 113.680470][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 113.781512][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 113.882566][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 113.983680][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 114.085093][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 114.186473][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 114.287533][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 114.388544][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 118.536949][ C3] net_ratelimit: 7 callbacks suppressed [ 118.536958][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x2 [ 118.638044][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x2 [ 118.739002][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x2 [ 169.123337][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.224559][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.325431][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.426182][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.526956][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.627755][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.728698][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.829674][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 169.930528][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 170.031440][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 170.966878][ T2450] vx1: left allmulticast mode [ 170.967438][ T2450] vx1: left promiscuous mode [ 170.967996][ T2450] br1: port 1(vx1) entered disabled state [ 176.123901][ T2452] br1: port 1(vx1) entered blocking state [ 176.124240][ T2452] br1: port 1(vx1) entered disabled state [ 176.124526][ T2452] vx1: entered allmulticast mode [ 176.126508][ T2452] vx1: entered promiscuous mode [ 176.127402][ T2452] br1: port 1(vx1) entered blocking state [ 176.127670][ T2452] br1: port 1(vx1) entered forwarding state [ 208.120631][ T2823] veth3: entered promiscuous mode [ 239.329272][ T3312] veth3: left promiscuous mode [ 240.746219][ T3334] vx1: left allmulticast mode [ 240.746677][ T3334] vx1: left promiscuous mode [ 240.747269][ T3334] br1: port 1(vx1) entered disabled state [ 245.902634][ T3336] br1: port 1(vx1) entered blocking state [ 245.902907][ T3336] br1: port 1(vx1) entered disabled state [ 245.903153][ T3336] vx1: entered allmulticast mode [ 245.905111][ T3336] vx1: entered promiscuous mode [ 245.905920][ T3336] br1: port 1(vx1) entered blocking state [ 245.906120][ T3336] br1: port 1(vx1) entered forwarding state [ 373.727441][ T4246] vx1: left allmulticast mode [ 373.727759][ T4246] vx1: left promiscuous mode [ 373.728120][ T4246] br1: port 1(vx1) entered disabled state [ 378.894265][ T4248] br1: port 1(vx1) entered blocking state [ 378.894716][ T4248] br1: port 1(vx1) entered disabled state [ 378.895135][ T4248] vx1: entered allmulticast mode [ 378.899536][ T4248] vx1: entered promiscuous mode [ 378.900905][ T4248] br1: port 1(vx1) entered blocking state [ 378.901314][ T4248] br1: port 1(vx1) entered forwarding state [ 385.962313][ T70] vx2: left allmulticast mode [ 385.962856][ T70] vx2: left promiscuous mode [ 385.963640][ T70] br2: port 2(vx2) entered disabled state [ 385.971044][ T70] w1: left allmulticast mode [ 385.972500][ T70] w1: left promiscuous mode [ 385.973167][ T70] br2: port 1(w1) entered disabled state [ 386.405892][ T70] vx2: left allmulticast mode [ 386.406246][ T70] vx2: left promiscuous mode [ 386.406720][ T70] br2: port 2(vx2) entered disabled state [ 386.410798][ T70] w1: left allmulticast mode [ 386.411115][ T70] w1: left promiscuous mode [ 386.411604][ T70] br2: port 1(w1) entered disabled state [ 389.007348][ T4294] vx1: left allmulticast mode [ 389.007621][ T4294] vx1: left promiscuous mode [ 389.007949][ T4294] br1: port 1(vx1) entered disabled state [ 389.343759][ T4297] br1: port 3(veth2) entered disabled state [ 389.435113][ T4298] veth2: left allmulticast mode [ 389.435520][ T4298] veth2: left promiscuous mode [ 389.436022][ T4298] br1: port 3(veth2) entered disabled state [ 389.524883][ T4299] br1: port 2(veth1) entered disabled state [ 389.613349][ T4300] veth1: left allmulticast mode [ 389.613618][ T4300] veth1: left promiscuous mode [ 389.613947][ T4300] br1: port 2(veth1) entered disabled state