[ 11.526459][ T250] ip (250) used greatest stack depth: 23336 bytes left [ 12.391750][ T275] ip (275) used greatest stack depth: 23296 bytes left [ 15.745615][ T315] gre: GRE over IPv4 demultiplexor driver [ 15.767763][ T315] ip_gre: GRE over IPv4 tunneling driver [ 16.582626][ T325] GACT probability NOT on [ 16.808603][ T327] ip6_gre: GRE over IPv6 tunneling driver [ 16.962728][ T73] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.063922][ T73] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.253625][ T12] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.396466][ T73] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 17.953531][ T342] br1: port 1(veth1) entered blocking state [ 17.954001][ T342] br1: port 1(veth1) entered disabled state [ 17.954409][ T342] veth1: entered allmulticast mode [ 17.956467][ T342] veth1: entered promiscuous mode [ 18.065025][ T45] br1: port 1(veth1) entered blocking state [ 18.065541][ T45] br1: port 1(veth1) entered forwarding state [ 18.147919][ T344] br1: port 2(veth2) entered blocking state [ 18.148217][ T344] br1: port 2(veth2) entered disabled state [ 18.148831][ T344] veth2: entered allmulticast mode [ 18.150815][ T344] veth2: entered promiscuous mode [ 18.247216][ T45] br1: port 2(veth2) entered blocking state [ 18.247679][ T45] br1: port 2(veth2) entered forwarding state [ 18.308797][ T12] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.309761][ T12] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.486861][ T51] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 18.799582][ T61] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 18.901506][ T12] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 19.230848][ T359] br2: port 1(veth4) entered blocking state [ 19.231340][ T359] br2: port 1(veth4) entered disabled state [ 19.231806][ T359] veth4: entered allmulticast mode [ 19.234163][ T359] veth4: entered promiscuous mode [ 19.235459][ T359] br2: port 1(veth4) entered blocking state [ 19.235944][ T359] br2: port 1(veth4) entered forwarding state [ 19.717491][ T61] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 22.148567][ C2] ip6_tnl_xmit_ctl: 3 callbacks suppressed [ 22.149098][ C2] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 26.098840][ T392] Mirror/redirect action on [ 26.618838][ T399] [ 26.619246][ T399] ============================= [ 26.619524][ T399] WARNING: suspicious RCU usage [ 26.620123][ T399] 6.14.0-rc6-virtme #1 Not tainted [ 26.620388][ T399] ----------------------------- [ 26.620623][ T399] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 26.621031][ T399] [ 26.621031][ T399] other info that might help us debug this: [ 26.621031][ T399] [ 26.621498][ T399] [ 26.621498][ T399] rcu_scheduler_active = 2, debug_locks = 1 [ 26.621855][ T399] 1 lock held by mausezahn/399: [ 26.622099][ T399] #0: ffffffff8875b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 26.622572][ T399] [ 26.622572][ T399] stack backtrace: [ 26.622869][ T399] CPU: 3 UID: 0 PID: 399 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 26.622876][ T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.622880][ T399] Call Trace: [ 26.622882][ T399] [ 26.622886][ T399] dump_stack_lvl+0xb0/0xd0 [ 26.622899][ T399] lockdep_rcu_suspicious+0x1ea/0x280 [ 26.622917][ T399] dev_hard_start_xmit+0x2fc/0x3f0 [ 26.622937][ T399] __dev_queue_xmit+0xfaf/0x18d0 [ 26.622964][ T399] ? __pfx___dev_queue_xmit+0x10/0x10 [ 26.622972][ T399] ? packet_parse_headers+0x231/0x9c0 [ 26.622988][ T399] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 26.622999][ T399] ? __pfx_packet_parse_headers+0x10/0x10 [ 26.623007][ T399] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 26.623018][ T399] ? dev_get_by_index+0xb2/0x190 [ 26.623039][ T399] packet_snd+0xd0c/0x19d0 [ 26.623061][ T399] ? __lock_release+0x103/0x460 [ 26.623068][ T399] ? __might_fault+0x11b/0x170 [ 26.623080][ T399] ? __pfx_packet_snd+0x10/0x10 [ 26.623085][ T399] ? trace_lock_acquire+0x14c/0x1f0 [ 26.623089][ T399] ? __might_fault+0x11b/0x170 [ 26.623102][ T399] ? lock_acquire+0x32/0xc0 [ 26.623114][ T399] ? __might_fault+0x11b/0x170 [ 26.623136][ T399] __sys_sendto+0x3c3/0x450 [ 26.623147][ T399] ? __pfx___sys_sendto+0x10/0x10 [ 26.623176][ T399] ? sock_ioctl+0x3b6/0x590 [ 26.623194][ T399] ? __pfx___up_read+0x10/0x10 [ 26.623208][ T399] ? do_user_addr_fault+0x374/0xe30 [ 26.623226][ T399] ? do_user_addr_fault+0x374/0xe30 [ 26.623240][ T399] __x64_sys_sendto+0xe0/0x1c0 [ 26.623247][ T399] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 26.623257][ T399] do_syscall_64+0xc1/0x1d0 [ 26.623271][ T399] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.623280][ T399] RIP: 0033:0x7fcd11f6fa4a [ 26.623287][ T399] 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 [ 26.623292][ T399] RSP: 002b:00007ffe26dd7f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 26.623298][ T399] RAX: ffffffffffffffda RBX: 00000000290929d0 RCX: 00007fcd11f6fa4a [ 26.623302][ T399] RDX: 000000000000002a RSI: 0000000029092c92 RDI: 0000000000000005 [ 26.623305][ T399] RBP: 0000000029092c92 R08: 00007ffe26dd7f10 R09: 0000000000000014 [ 26.623309][ T399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 26.623312][ T399] R13: 000000000000002a R14: 00007ffe26dd7f10 R15: 0000000000000000 [ 26.623343][ T399] [ 30.148534][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 46.020655][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 63.757454][ T586] veth4: left allmulticast mode [ 63.758000][ T586] veth4: left promiscuous mode [ 63.758471][ T586] br2: port 1(veth4) entered disabled state [ 64.355815][ T592] br1: port 1(veth1) entered disabled state [ 64.435612][ T593] br1: port 2(veth2) entered disabled state [ 64.524618][ T594] veth2: left allmulticast mode [ 64.524883][ T594] veth2: left promiscuous mode [ 64.525234][ T594] br1: port 2(veth2) entered disabled state [ 64.526767][ T594] veth1: left allmulticast mode [ 64.527062][ T594] veth1: left promiscuous mode [ 64.527447][ T594] br1: port 1(veth1) entered disabled state