[ 10.875409][ T260] ip (260) used greatest stack depth: 23680 bytes left [ 14.156383][ T315] gre: GRE over IPv4 demultiplexor driver [ 14.171013][ T315] ip_gre: GRE over IPv4 tunneling driver [ 14.926784][ T326] GACT probability NOT on [ 15.120081][ T328] ip6_gre: GRE over IPv6 tunneling driver [ 15.272404][ T51] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 15.400901][ T11] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.127447][ T288] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.180653][ T341] br1: port 1(veth1) entered blocking state [ 16.181151][ T341] br1: port 1(veth1) entered disabled state [ 16.181534][ T341] veth1: entered allmulticast mode [ 16.183590][ T341] veth1: entered promiscuous mode [ 16.255228][ T69] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 16.281206][ T71] br1: port 1(veth1) entered blocking state [ 16.281629][ T71] br1: port 1(veth1) entered forwarding state [ 16.354053][ T343] br1: port 2(veth2) entered blocking state [ 16.354408][ T343] br1: port 2(veth2) entered disabled state [ 16.354683][ T343] veth2: entered allmulticast mode [ 16.356889][ T343] veth2: entered promiscuous mode [ 16.444675][ T45] br1: port 2(veth2) entered blocking state [ 16.444976][ T45] br1: port 2(veth2) entered forwarding state [ 17.278469][ T69] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.279426][ T69] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.046202][ T51] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 21.438283][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 24.843568][ T397] Mirror/redirect action on [ 25.323166][ T404] [ 25.323586][ T404] ============================= [ 25.324023][ T404] WARNING: suspicious RCU usage [ 25.324200][ T404] 6.14.0-rc6-virtme #1 Not tainted [ 25.324364][ T404] ----------------------------- [ 25.324530][ T404] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 25.324827][ T404] [ 25.324827][ T404] other info that might help us debug this: [ 25.324827][ T404] [ 25.325155][ T404] [ 25.325155][ T404] rcu_scheduler_active = 2, debug_locks = 1 [ 25.325401][ T404] 1 lock held by mausezahn/404: [ 25.325601][ T404] #0: ffffffffa8f5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 25.325916][ T404] [ 25.325916][ T404] stack backtrace: [ 25.326135][ T404] CPU: 2 UID: 0 PID: 404 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 25.326141][ T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.326142][ T404] Call Trace: [ 25.326145][ T404] [ 25.326148][ T404] dump_stack_lvl+0xb0/0xd0 [ 25.326156][ T404] lockdep_rcu_suspicious+0x1ea/0x280 [ 25.326169][ T404] dev_hard_start_xmit+0x2fc/0x3f0 [ 25.326179][ T404] __dev_queue_xmit+0xfaf/0x18d0 [ 25.326194][ T404] ? __pfx___dev_queue_xmit+0x10/0x10 [ 25.326198][ T404] ? packet_parse_headers+0x231/0x9c0 [ 25.326207][ T404] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 25.326214][ T404] ? __pfx_packet_parse_headers+0x10/0x10 [ 25.326218][ T404] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 25.326225][ T404] ? dev_get_by_index+0xb2/0x190 [ 25.326236][ T404] packet_snd+0xd0c/0x19d0 [ 25.326248][ T404] ? __lock_release+0x103/0x460 [ 25.326252][ T404] ? __might_fault+0x11b/0x170 [ 25.326261][ T404] ? __pfx_packet_snd+0x10/0x10 [ 25.326263][ T404] ? trace_lock_acquire+0x14c/0x1f0 [ 25.326265][ T404] ? __might_fault+0x11b/0x170 [ 25.326272][ T404] ? lock_acquire+0x32/0xc0 [ 25.326279][ T404] ? __might_fault+0x11b/0x170 [ 25.326290][ T404] __sys_sendto+0x3c3/0x450 [ 25.326296][ T404] ? __pfx___sys_sendto+0x10/0x10 [ 25.326310][ T404] ? sock_ioctl+0x3b6/0x590 [ 25.326321][ T404] ? __pfx___up_read+0x10/0x10 [ 25.326330][ T404] ? do_user_addr_fault+0x374/0xe30 [ 25.326341][ T404] ? do_user_addr_fault+0x374/0xe30 [ 25.326348][ T404] __x64_sys_sendto+0xe0/0x1c0 [ 25.326352][ T404] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 25.326357][ T404] do_syscall_64+0xc1/0x1d0 [ 25.326366][ T404] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 25.326371][ T404] RIP: 0033:0x7f93d5b5ea4a [ 25.326378][ T404] 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 [ 25.326381][ T404] RSP: 002b:00007ffe1645f9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 25.326385][ T404] RAX: ffffffffffffffda RBX: 000000000a16f9d0 RCX: 00007f93d5b5ea4a [ 25.326387][ T404] RDX: 000000000000002a RSI: 000000000a16fc92 RDI: 0000000000000005 [ 25.326389][ T404] RBP: 000000000a16fc92 R08: 00007ffe1645f9e0 R09: 0000000000000014 [ 25.326391][ T404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 25.326393][ T404] R13: 000000000000002a R14: 00007ffe1645f9e0 R15: 0000000000000000 [ 25.326409][ T404] [ 30.142494][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 47.038230][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 61.276429][ T588] ip (588) used greatest stack depth: 23552 bytes left [ 62.369447][ T601] br1: port 1(veth1) entered disabled state [ 62.455183][ T602] br1: port 2(veth2) entered disabled state [ 62.540221][ T603] veth2: left allmulticast mode [ 62.540510][ T603] veth2: left promiscuous mode [ 62.540829][ T603] br1: port 2(veth2) entered disabled state [ 62.542734][ T603] veth1: left allmulticast mode [ 62.542935][ T603] veth1: left promiscuous mode [ 62.544116][ T603] br1: port 1(veth1) entered disabled state